Merge branch 'master' of https://github.com/minetest/minetest

50 files changed, 2151 insertions, 1850 deletions

diff --git a/src/client/CMakeLists.txt b/src/client/CMakeLists.txt
index 8d058852a..656ad45ce 100644
--- a/src/client/CMakeLists.txt
+++ b/src/client/CMakeLists.txt
@@ -60,7 +60,7 @@ set(client_SRCS
 	${CMAKE_CURRENT_SOURCE_DIR}/wieldmesh.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/shadows/dynamicshadows.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/shadows/dynamicshadowsrender.cpp
-	${CMAKE_CURRENT_SOURCE_DIR}/shadows/shadowsshadercallbacks.cpp	
-	${CMAKE_CURRENT_SOURCE_DIR}/shadows/shadowsScreenQuad.cpp	
+	${CMAKE_CURRENT_SOURCE_DIR}/shadows/shadowsshadercallbacks.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/shadows/shadowsScreenQuad.cpp
 	PARENT_SCOPE
 )
diff --git a/src/client/camera.cpp b/src/client/camera.cpp
index 52bedcba9..0c387262e 100644
--- a/src/client/camera.cpp
+++ b/src/client/camera.cpp
@@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "player.h"
 #include <cmath>
 #include "client/renderingengine.h"
+#include "client/content_cao.h"
 #include "settings.h"
 #include "wieldmesh.h"
 #include "noise.h"         // easeCurve
@@ -37,6 +38,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "fontengine.h"
 #include "guiscalingfilter.h"
 #include "script/scripting_client.h"
+#include "gettext.h"
 
 #define CAMERA_OFFSET_STEP 200
 #define WIELDMESH_OFFSET_X 55.0f
@@ -133,28 +135,6 @@ void Camera::notifyFovChange()
 	}
 }
 
-bool Camera::successfullyCreated(std::string &error_message)
-{
-	if (!m_playernode) {
-		error_message = "Failed to create the player scene node";
-	} else if (!m_headnode) {
-		error_message = "Failed to create the head scene node";
-	} else if (!m_cameranode) {
-		error_message = "Failed to create the camera scene node";
-	} else if (!m_wieldmgr) {
-		error_message = "Failed to create the wielded item scene manager";
-	} else if (!m_wieldnode) {
-		error_message = "Failed to create the wielded item scene node";
-	} else {
-		error_message.clear();
-	}
-
-	if (m_client->modsLoaded())
-		m_client->getScript()->on_camera_ready(this);
-
-	return error_message.empty();
-}
-
 // Returns the fractional part of x
 inline f32 my_modf(f32 x)
 {
@@ -187,9 +167,7 @@ void Camera::step(f32 dtime)
 				m_view_bobbing_anim -= offset;
 			} else if (m_view_bobbing_anim > 0.75) {
 				m_view_bobbing_anim += offset;
-			}
-
-			if (m_view_bobbing_anim < 0.5) {
+			} else if (m_view_bobbing_anim < 0.5) {
 				m_view_bobbing_anim += offset;
 				if (m_view_bobbing_anim > 0.5)
 					m_view_bobbing_anim = 0.5;
@@ -331,7 +309,7 @@ void Camera::addArmInertia(f32 player_yaw)
 	}
 }
 
-void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime, f32 tool_reload_ratio)
+void Camera::update(LocalPlayer* player, f32 frametime, f32 tool_reload_ratio)
 {
 	// Get player position
 	// Smooth the movement when walking up stairs
@@ -344,13 +322,16 @@ void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime, f32 tool_r
 	if (player->getParent())
 		player_position = player->getParent()->getPosition() + v3f(0,  g_settings->getBool("float_above_parent") ? BS : 0, 0);
 
-	// Smooth the camera movement when the player instantly moves upward due to stepheight.
-	// To smooth the 'not touching_ground' stepheight, smoothing is necessary when jumping
-	// or swimming (for when moving from liquid to land).
-	// Disable smoothing if climbing or flying, to avoid upwards offset of player model
-	// when seen in 3rd person view.
-	bool flying = (g_settings->getBool("free_move") && m_client->checkLocalPrivilege("fly")) || g_settings->getBool("freecam");
-	if (player_position.Y > old_player_position.Y && !player->is_climbing && !flying) {
+	// Smooth the camera movement after the player instantly moves upward due to stepheight.
+	// The smoothing usually continues until the camera position reaches the player position.
+	float player_stepheight = player->getCAO() ? player->getCAO()->getStepHeight() : HUGE_VALF;
+	float upward_movement = player_position.Y - old_player_position.Y;
+	if (upward_movement < 0.01f || upward_movement > player_stepheight) {
+		m_stepheight_smooth_active = false;
+	} else if (player->touching_ground) {
+		m_stepheight_smooth_active = true;
+	}
+	if (m_stepheight_smooth_active) {
 		f32 oldy = old_player_position.Y;
 		f32 newy = player_position.Y;
 		f32 t = std::exp(-23 * frametime);
@@ -379,7 +360,8 @@ void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime, f32 tool_r
 		// Smoothen and invert the above
 		fall_bobbing = sin(fall_bobbing * 0.5 * M_PI) * -1;
 		// Amplify according to the intensity of the impact
-		fall_bobbing *= (1 - rangelim(50 / player->camera_impact, 0, 1)) * 5;
+		if (player->camera_impact > 0.0f)
+			fall_bobbing *= (1 - rangelim(50 / player->camera_impact, 0, 1)) * 5;
 
 		fall_bobbing *= m_cache_fall_bobbing_amount;
 	}
@@ -410,41 +392,17 @@ void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime, f32 tool_r
 		f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
 		f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
 
-		#if 1
 		f32 bobknob = 1.2;
 		f32 bobtmp = sin(pow(bobfrac, bobknob) * M_PI);
-		//f32 bobtmp2 = cos(pow(bobfrac, bobknob) * M_PI);
 
 		v3f bobvec = v3f(
 			0.3 * bobdir * sin(bobfrac * M_PI),
 			-0.28 * bobtmp * bobtmp,
 			0.);
 
-		//rel_cam_pos += 0.2 * bobvec;
-		//rel_cam_target += 0.03 * bobvec;
-		//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * M_PI);
-		float f = 1.0;
-		f *= m_cache_view_bobbing_amount;
-		rel_cam_pos += bobvec * f;
-		//rel_cam_target += 0.995 * bobvec * f;
-		rel_cam_target += bobvec * f;
-		rel_cam_target.Z -= 0.005 * bobvec.Z * f;
-		//rel_cam_target.X -= 0.005 * bobvec.X * f;
-		//rel_cam_target.Y -= 0.005 * bobvec.Y * f;
-		rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * M_PI * f);
-		#else
-		f32 angle_deg = 1 * bobdir * sin(bobfrac * M_PI);
-		f32 angle_rad = angle_deg * M_PI / 180;
-		f32 r = 0.05;
-		v3f off = v3f(
-			r * sin(angle_rad),
-			r * (cos(angle_rad) - 1),
-			0);
-		rel_cam_pos += off;
-		//rel_cam_target += off;
-		rel_cam_up.rotateXYBy(angle_deg);
-		#endif
-
+		rel_cam_pos += bobvec * m_cache_view_bobbing_amount;
+		rel_cam_target += bobvec * m_cache_view_bobbing_amount;
+		rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * M_PI * m_cache_view_bobbing_amount);
 	}
 
 	// Compute absolute camera position and target
@@ -613,6 +571,8 @@ void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime, f32 tool_r
 	const bool walking = movement_XZ && player->touching_ground;
 	const bool swimming = (movement_XZ || player->swimming_vertical) && player->in_liquid;
 	const bool climbing = movement_Y && player->is_climbing;
+	const bool flying = g_settings->getBool("free_move")
+		&& m_client->checkLocalPrivilege("fly");
 	if ((walking || swimming || climbing) && !flying) {
 		// Start animation
 		m_view_bobbing_state = 1;
diff --git a/src/client/camera.h b/src/client/camera.h
index 30fac5289..ecd71f1e7 100644
--- a/src/client/camera.h
+++ b/src/client/camera.h
@@ -162,16 +162,11 @@ public:
 	// Notify about new server-sent FOV and initialize smooth FOV transition
 	void notifyFovChange();
 
-	// Checks if the constructor was able to create the scene nodes
-	bool successfullyCreated(std::string &error_message);
-
 	// Step the camera: updates the viewing range and view bobbing.
 	void step(f32 dtime);
 
 	// Update the camera from the local player's position.
-	// busytime is used to adjust the viewing range.
-	void update(LocalPlayer* player, f32 frametime, f32 busytime,
-			f32 tool_reload_ratio);
+	void update(LocalPlayer* player, f32 frametime, f32 tool_reload_ratio);
 
 	// Update render distance
 	void updateViewingRange();
@@ -245,6 +240,8 @@ private:
 	// Camera offset
 	v3s16 m_camera_offset;
 
+	bool m_stepheight_smooth_active = false;
+
 	// Server-sent FOV variables
 	bool m_server_sent_fov = false;
 	f32 m_curr_fov_degrees, m_old_fov_degrees, m_target_fov_degrees;
diff --git a/src/client/client.cpp b/src/client/client.cpp
index 3c4ea5f95..4e4bb8a97 100644
--- a/src/client/client.cpp
+++ b/src/client/client.cpp
@@ -51,6 +51,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "clientmap.h"
 #include "clientmedia.h"
 #include "version.h"
+#include "database/database-files.h"
 #include "database/database-sqlite3.h"
 #include "serialization.h"
 #include "guiscalingfilter.h"
@@ -129,6 +130,11 @@ Client::Client(
 	// Add local player
 	m_env.setLocalPlayer(new LocalPlayer(this, playername));
 
+	// Make the mod storage database and begin the save for later
+	m_mod_storage_database =
+		new ModMetadataDatabaseSQLite3(porting::path_user + DIR_DELIM + "client");
+	m_mod_storage_database->beginSave();
+
 	if (g_settings->getBool("enable_minimap")) {
 		m_minimap = new Minimap(this);
 	}
@@ -136,6 +142,33 @@ Client::Client(
 	m_cache_save_interval = g_settings->getU16("server_map_save_interval");
 }
 
+void Client::migrateModStorage()
+{
+	std::string mod_storage_dir = porting::path_user + DIR_DELIM + "client";
+	std::string old_mod_storage = mod_storage_dir + DIR_DELIM + "mod_storage";
+	if (fs::IsDir(old_mod_storage)) {
+		infostream << "Migrating client mod storage to SQLite3 database" << std::endl;
+		{
+			ModMetadataDatabaseFiles files_db(mod_storage_dir);
+			std::vector<std::string> mod_list;
+			files_db.listMods(&mod_list);
+			for (const std::string &modname : mod_list) {
+				infostream << "Migrating client mod storage for mod " << modname << std::endl;
+				StringMap meta;
+				files_db.getModEntries(modname, &meta);
+				for (const auto &pair : meta) {
+					m_mod_storage_database->setModEntry(modname, pair.first, pair.second);
+				}
+			}
+		}
+		if (!fs::Rename(old_mod_storage, old_mod_storage + ".bak")) {
+			// Execution cannot move forward if the migration does not complete.
+			throw BaseException("Could not finish migrating client mod storage");
+		}
+		infostream << "Finished migration of client mod storage" << std::endl;
+	}
+}
+
 void Client::loadMods()
 {
 	// Don't load mods twice.
@@ -304,10 +337,17 @@ Client::~Client()
 	// cleanup 3d model meshes on client shutdown
 	m_rendering_engine->cleanupMeshCache();
 
+	guiScalingCacheClear();
+
 	delete m_minimap;
 	m_minimap = nullptr;
 
 	delete m_media_downloader;
+
+	// Write the changes and delete
+	if (m_mod_storage_database)
+		m_mod_storage_database->endSave();
+	delete m_mod_storage_database;
 }
 
 void Client::connect(Address address, bool is_local_server)
@@ -644,19 +684,12 @@ void Client::step(float dtime)
 		}
 	}
 
+	// Write changes to the mod storage
 	m_mod_storage_save_timer -= dtime;
 	if (m_mod_storage_save_timer <= 0.0f) {
 		m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
-		int n = 0;
-		for (std::unordered_map<std::string, ModMetadata *>::const_iterator
-				it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
-			if (it->second->isModified()) {
-				it->second->save(getModStoragePath());
-				n++;
-			}
-		}
-		if (n > 0)
-			infostream << "Saved " << n << " modified mod storages." << std::endl;
+		m_mod_storage_database->endSave();
+		m_mod_storage_database->beginSave();
 	}
 
 	// Write server map
@@ -880,7 +913,7 @@ void Client::ProcessData(NetworkPacket *pkt)
 	*/
 	if(sender_peer_id != PEER_ID_SERVER) {
 		infostream << "Client::ProcessData(): Discarding data not "
-			"coming from server: peer_id=" << sender_peer_id
+			"coming from server: peer_id=" << sender_peer_id << " command=" << pkt->getCommand()
 			<< std::endl;
 		return;
 	}
@@ -931,7 +964,7 @@ void writePlayerPos(LocalPlayer *myplayer, ClientMap *clientMap, NetworkPacket *
 	v3f sf           = myplayer->getSendSpeed() * 100;
 	s32 pitch        = myplayer->getPitch() * 100;
 	s32 yaw          = myplayer->getYaw() * 100;
-	u32 keyPressed   = myplayer->keyPressed;
+	u32 keyPressed   = myplayer->control.getKeysPressed();
 	// scaled by 80, so that pi can fit into a u8
 	u8 fov           = clientMap->getCameraFov() * 80;
 	u8 wanted_range  = MYMIN(255,
@@ -1287,22 +1320,24 @@ void Client::sendPlayerPos(v3f pos)
 	if (!player)
 		return;
 
-	ClientMap &map = m_env.getClientMap();
-	u8 camera_fov   = map.getCameraFov();
-	u8 wanted_range = map.getControl().wanted_range;
-
 	// Save bandwidth by only updating position when
 	// player is not dead and something changed
 
 	if (m_activeobjects_received && player->isDead())
 		return;
 
+	ClientMap &map = m_env.getClientMap();
+	u8 camera_fov   = map.getCameraFov();
+	u8 wanted_range = map.getControl().wanted_range;
+
+	u32 keyPressed = player->control.getKeysPressed();
+
 	if (
 			player->last_position     == pos &&
 			player->last_speed        == player->getSendSpeed()    &&
 			player->last_pitch        == player->getPitch()    &&
 			player->last_yaw          == player->getYaw()      &&
-			player->last_keyPressed   == player->keyPressed    &&
+			player->last_keyPressed   == keyPressed            &&
 			player->last_camera_fov   == camera_fov            &&
 			player->last_wanted_range == wanted_range)
 		return;
@@ -1311,7 +1346,7 @@ void Client::sendPlayerPos(v3f pos)
 	player->last_speed        = player->getSendSpeed();
 	player->last_pitch        = player->getPitch();
 	player->last_yaw          = player->getYaw();
-	player->last_keyPressed   = player->keyPressed;
+	player->last_keyPressed   = keyPressed;
 	player->last_camera_fov   = camera_fov;
 	player->last_wanted_range = wanted_range;
 
@@ -1614,20 +1649,7 @@ void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
 
 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
 {
-	try{
-		addUpdateMeshTask(blockpos, ack_to_server, urgent);
-	}
-	catch(InvalidPositionException &e){}
-
-	// Leading edge
-	for (int i=0;i<6;i++)
-	{
-		try{
-			v3s16 p = blockpos + g_6dirs[i];
-			addUpdateMeshTask(p, false, urgent);
-		}
-		catch(InvalidPositionException &e){}
-	}
+	m_mesh_update_thread.updateBlock(&m_env.getMap(), blockpos, ack_to_server, urgent, true);
 }
 
 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
@@ -1639,38 +1661,16 @@ void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool ur
 				<<std::endl;
 	}
 
-	v3s16 blockpos          = getNodeBlockPos(nodepos);
+	v3s16 blockpos = getNodeBlockPos(nodepos);
 	v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
-
-	try{
-		addUpdateMeshTask(blockpos, ack_to_server, urgent);
-	}
-	catch(InvalidPositionException &e) {}
-
+	m_mesh_update_thread.updateBlock(&m_env.getMap(), blockpos, ack_to_server, urgent, false);
 	// Leading edge
-	if(nodepos.X == blockpos_relative.X){
-		try{
-			v3s16 p = blockpos + v3s16(-1,0,0);
-			addUpdateMeshTask(p, false, urgent);
-		}
-		catch(InvalidPositionException &e){}
-	}
-
-	if(nodepos.Y == blockpos_relative.Y){
-		try{
-			v3s16 p = blockpos + v3s16(0,-1,0);
-			addUpdateMeshTask(p, false, urgent);
-		}
-		catch(InvalidPositionException &e){}
-	}
-
-	if(nodepos.Z == blockpos_relative.Z){
-		try{
-			v3s16 p = blockpos + v3s16(0,0,-1);
-			addUpdateMeshTask(p, false, urgent);
-		}
-		catch(InvalidPositionException &e){}
-	}
+	if (nodepos.X == blockpos_relative.X)
+		addUpdateMeshTask(blockpos + v3s16(-1, 0, 0), false, urgent);
+	if (nodepos.Y == blockpos_relative.Y)
+		addUpdateMeshTask(blockpos + v3s16(0, -1, 0), false, urgent);
+	if (nodepos.Z == blockpos_relative.Z)
+		addUpdateMeshTask(blockpos + v3s16(0, 0, -1), false, urgent);
 }
 
 void Client::updateAllMapBlocks()
@@ -1834,11 +1834,10 @@ void Client::makeScreenshot()
 	if (!raw_image)
 		return;
 
-	time_t t = time(NULL);
-	struct tm *tm = localtime(&t);
+	const struct tm tm = mt_localtime();
 
 	char timetstamp_c[64];
-	strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
+	strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", &tm);
 
 	std::string screenshot_dir;
 
@@ -2025,16 +2024,8 @@ void Client::unregisterModStorage(const std::string &name)
 {
 	std::unordered_map<std::string, ModMetadata *>::const_iterator it =
 		m_mod_storages.find(name);
-	if (it != m_mod_storages.end()) {
-		// Save unconditionaly on unregistration
-		it->second->save(getModStoragePath());
+	if (it != m_mod_storages.end())
 		m_mod_storages.erase(name);
-	}
-}
-
-std::string Client::getModStoragePath() const
-{
-	return porting::path_user + DIR_DELIM + "client" + DIR_DELIM + "mod_storage";
 }
 
 /*
diff --git a/src/client/client.h b/src/client/client.h
index 1493d3ce3..d49f2f9ad 100644
--- a/src/client/client.h
+++ b/src/client/client.h
@@ -226,6 +226,7 @@ public:
 	void handleCommand_PlayerSpeed(NetworkPacket *pkt);
 	void handleCommand_MediaPush(NetworkPacket *pkt);
 	void handleCommand_MinimapModes(NetworkPacket *pkt);
+	void handleCommand_SetLighting(NetworkPacket *pkt);
 
 	void ProcessData(NetworkPacket *pkt);
 
@@ -335,13 +336,13 @@ public:
 	// disconnect client when CSM failed.
 	const std::string &accessDeniedReason() const { return m_access_denied_reason; }
 
-	const bool itemdefReceived() const
+	bool itemdefReceived() const
 	{ return m_itemdef_received; }
-	const bool nodedefReceived() const
+	bool nodedefReceived() const
 	{ return m_nodedef_received; }
-	const bool mediaReceived() const
+	bool mediaReceived() const
 	{ return !m_media_downloader; }
-	const bool activeObjectsReceived() const
+	bool activeObjectsReceived() const
 	{ return m_activeobjects_received; }
 
 	u16 getProtoVersion()
@@ -382,11 +383,14 @@ public:
 	bool checkLocalPrivilege(const std::string &priv){ return checkPrivilege(priv); }
 	virtual scene::IAnimatedMesh* getMesh(const std::string &filename, bool cache = false);
 	const std::string* getModFile(std::string filename);
+	ModMetadataDatabase *getModStorageDatabase() override { return m_mod_storage_database; }
 
-	std::string getModStoragePath() const override;
 	bool registerModStorage(ModMetadata *meta) override;
 	void unregisterModStorage(const std::string &name) override;
 
+	// Migrates away old files-based mod storage if necessary
+	void migrateModStorage();
+
 	// The following set of functions is used by ClientMediaDownloader
 	// Insert a media file appropriately into the appropriate manager
 	bool loadMedia(const std::string &data, const std::string &filename,
@@ -405,7 +409,7 @@ public:
 	}
 
 	ClientScripting *getScript() { return m_script; }
-	const bool modsLoaded() const { return m_mods_loaded; }
+	bool modsLoaded() const { return m_mods_loaded; }
 
 	void pushToEventQueue(ClientEvent *event);
 
@@ -554,7 +558,7 @@ private:
 	// Set of media filenames pushed by server at runtime
 	std::unordered_set<std::string> m_media_pushed_files;
 	// Pending downloads of dynamic media (key: token)
-	std::vector<std::pair<u32, std::unique_ptr<SingleMediaDownloader>>> m_pending_media_downloads;
+	std::vector<std::pair<u32, std::shared_ptr<SingleMediaDownloader>>> m_pending_media_downloads;
 
 	// time_of_day speed approximation for old protocol
 	bool m_time_of_day_set = false;
@@ -596,6 +600,7 @@ private:
 	// Client modding
 	ClientScripting *m_script = nullptr;
 	std::unordered_map<std::string, ModMetadata *> m_mod_storages;
+	ModMetadataDatabase *m_mod_storage_database = nullptr;
 	float m_mod_storage_save_timer = 10.0f;
 	std::vector<ModSpec> m_mods;
 	StringMap m_mod_vfs;
diff --git a/src/client/clientenvironment.cpp b/src/client/clientenvironment.cpp
index f9c20b2df..01aaa0408 100644
--- a/src/client/clientenvironment.cpp
+++ b/src/client/clientenvironment.cpp
@@ -193,33 +193,41 @@ void ClientEnvironment::step(float dtime)
 		// Control local player
 		lplayer->applyControl(dtime_part, this);
 
-		// Apply physics
-		if (!free_move && !is_climbing && !g_settings->getBool("freecam")) {
+		if (!free_move && !g_settings->getBool("freecam")) {
 			// Gravity
 			v3f speed = lplayer->getSpeed();
-			if (!lplayer->in_liquid)
+			if (!is_climbing && !lplayer->in_liquid)
 				speed.Y -= lplayer->movement_gravity *
 					lplayer->physics_override_gravity * dtime_part * 2.0f;
 
 			// Liquid floating / sinking
-			if (lplayer->in_liquid && !lplayer->swimming_vertical &&
+			if (!is_climbing && lplayer->in_liquid &&
+					!lplayer->swimming_vertical &&
 					!lplayer->swimming_pitch)
 				speed.Y -= lplayer->movement_liquid_sink * dtime_part * 2.0f;
 
-			// Liquid resistance
-			if (lplayer->in_liquid_stable || lplayer->in_liquid) {
-				// How much the node's viscosity blocks movement, ranges
-				// between 0 and 1. Should match the scale at which viscosity
+			// Movement resistance
+			if (lplayer->move_resistance > 0) {
+				// How much the node's move_resistance blocks movement, ranges
+				// between 0 and 1. Should match the scale at which liquid_viscosity
 				// increase affects other liquid attributes.
-				static const f32 viscosity_factor = 0.3f;
-
-				v3f d_wanted = -speed / lplayer->movement_liquid_fluidity;
+				static const f32 resistance_factor = 0.3f;
+
+				v3f d_wanted;
+				bool in_liquid_stable = lplayer->in_liquid_stable || lplayer->in_liquid;
+				if (in_liquid_stable) {
+					d_wanted = -speed / lplayer->movement_liquid_fluidity;
+				} else {
+					d_wanted = -speed / BS;
+				}
 				f32 dl = d_wanted.getLength();
-				if (dl > lplayer->movement_liquid_fluidity_smooth)
-					dl = lplayer->movement_liquid_fluidity_smooth;
+				if (in_liquid_stable) {
+					if (dl > lplayer->movement_liquid_fluidity_smooth)
+						dl = lplayer->movement_liquid_fluidity_smooth;
+				}
 
-				dl *= (lplayer->liquid_viscosity * viscosity_factor) +
-					(1 - viscosity_factor);
+				dl *= (lplayer->move_resistance * resistance_factor) +
+					(1 - resistance_factor);
 				v3f d = d_wanted.normalize() * (dl * dtime_part * 100.0f);
 				speed += d;
 			}
diff --git a/src/client/clientlauncher.cpp b/src/client/clientlauncher.cpp
index 6ab610670..54c561d11 100644
--- a/src/client/clientlauncher.cpp
+++ b/src/client/clientlauncher.cpp
@@ -38,9 +38,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #if USE_SOUND
 	#include "sound_openal.h"
 #endif
-#ifdef __ANDROID__
-	#include "porting.h"
-#endif
 
 /* mainmenumanager.h
  */
@@ -73,10 +70,10 @@ static void dump_start_data(const GameStartData &data)
 
 ClientLauncher::~ClientLauncher()
 {
-	delete receiver;
-
 	delete input;
 
+	delete receiver;
+
 	delete g_fontengine;
 	delete g_gamecallback;
 
@@ -147,8 +144,8 @@ bool ClientLauncher::run(GameStartData &start_data, const Settings &cmd_args)
 	skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255, 0, 0, 0));
 	skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255, 70, 120, 50));
 	skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255, 255, 255, 255));
-#ifdef __ANDROID__
-	float density = porting::getDisplayDensity();
+#ifdef HAVE_TOUCHSCREENGUI
+	float density = RenderingEngine::getDisplayDensity();
 	skin->setSize(gui::EGDS_CHECK_BOX_WIDTH, (s32)(17.0f * density));
 	skin->setSize(gui::EGDS_SCROLLBAR_SIZE, (s32)(14.0f * density));
 	skin->setSize(gui::EGDS_WINDOW_BUTTON_WIDTH, (s32)(15.0f * density));
@@ -567,6 +564,8 @@ void ClientLauncher::speed_tests()
 	// volatile to avoid some potential compiler optimisations
 	volatile static s16 temp16;
 	volatile static f32 tempf;
+	// Silence compiler warning
+	(void)temp16;
 	static v3f tempv3f1;
 	static v3f tempv3f2;
 	static std::string tempstring;
diff --git a/src/client/clientmap.cpp b/src/client/clientmap.cpp
index 4a4784f91..51f0f6896 100644
--- a/src/client/clientmap.cpp
+++ b/src/client/clientmap.cpp
@@ -73,7 +73,8 @@ ClientMap::ClientMap(
 		rendering_engine->get_scene_manager(), id),
 	m_client(client),
 	m_rendering_engine(rendering_engine),
-	m_control(control)
+	m_control(control),
+	m_drawlist(MapBlockComparer(v3s16(0,0,0)))
 {
 
 	/*
@@ -96,9 +97,32 @@ ClientMap::ClientMap(
 	m_cache_trilinear_filter  = g_settings->getBool("trilinear_filter");
 	m_cache_bilinear_filter   = g_settings->getBool("bilinear_filter");
 	m_cache_anistropic_filter = g_settings->getBool("anisotropic_filter");
+	m_cache_transparency_sorting_distance = g_settings->getU16("transparency_sorting_distance");
 
 }
 
+void ClientMap::updateCamera(v3f pos, v3f dir, f32 fov, v3s16 offset)
+{
+	v3s16 previous_node = floatToInt(m_camera_position, BS) + m_camera_offset;
+	v3s16 previous_block = getContainerPos(previous_node, MAP_BLOCKSIZE);
+
+	m_camera_position = pos;
+	m_camera_direction = dir;
+	m_camera_fov = fov;
+	m_camera_offset = offset;
+
+	v3s16 current_node = floatToInt(m_camera_position, BS) + m_camera_offset;
+	v3s16 current_block = getContainerPos(current_node, MAP_BLOCKSIZE);
+
+	// reorder the blocks when camera crosses block boundary
+	if (previous_block != current_block)
+		m_needs_update_drawlist = true;
+
+	// reorder transparent meshes when camera crosses node boundary
+	if (previous_node != current_node)
+		m_needs_update_transparent_meshes = true;
+}
+
 MapSector * ClientMap::emergeSector(v2s16 p2d)
 {
 	// Check that it doesn't exist already
@@ -164,6 +188,8 @@ void ClientMap::updateDrawList()
 {
 	ScopeProfiler sp(g_profiler, "CM::updateDrawList()", SPT_AVG);
 
+	m_needs_update_drawlist = false;
+
 	for (auto &i : m_drawlist) {
 		MapBlock *block = i.second;
 		block->refDrop();
@@ -178,6 +204,7 @@ void ClientMap::updateDrawList()
 	const f32 camera_fov = m_camera_fov * 1.1f;
 
 	v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
+
 	v3s16 p_blocks_min;
 	v3s16 p_blocks_max;
 	getBlocksInViewRange(cam_pos_nodes, &p_blocks_min, &p_blocks_max);
@@ -202,6 +229,8 @@ void ClientMap::updateDrawList()
 			occlusion_culling_enabled = false;
 	}
 
+	v3s16 camera_block = getContainerPos(cam_pos_nodes, MAP_BLOCKSIZE);
+	m_drawlist = std::map<v3s16, MapBlock*, MapBlockComparer>(MapBlockComparer(camera_block));
 
 	// Uncomment to debug occluded blocks in the wireframe mode
 	// TODO: Include this as a flag for an extended debugging setting
@@ -318,10 +347,18 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 	//u32 mesh_animate_count_far = 0;
 
 	/*
+		Update transparent meshes
+	*/
+	if (is_transparent_pass)
+		updateTransparentMeshBuffers();
+
+	/*
 		Draw the selected MapBlocks
 	*/
 
-	MeshBufListList drawbufs;
+	MeshBufListList grouped_buffers;
+	std::vector<DrawDescriptor> draw_order;
+	video::SMaterial previous_material;
 
 	for (auto &i : m_drawlist) {
 		v3s16 block_pos = i.first;
@@ -356,7 +393,15 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 		/*
 			Get the meshbuffers of the block
 		*/
-		{
+		if (is_transparent_pass) {
+			// In transparent pass, the mesh will give us
+			// the partial buffers in the correct order
+			for (auto &buffer : block->mesh->getTransparentBuffers())
+				draw_order.emplace_back(block_pos, &buffer);
+		}
+		else {
+			// otherwise, group buffers across meshes
+			// using MeshBufListList
 			MapBlockMesh *mapBlockMesh = block->mesh;
 			assert(mapBlockMesh);
 
@@ -370,69 +415,94 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 
 					video::SMaterial& material = buf->getMaterial();
 					video::IMaterialRenderer* rnd =
-						driver->getMaterialRenderer(material.MaterialType);
+							driver->getMaterialRenderer(material.MaterialType);
 					bool transparent = (rnd && rnd->isTransparent());
-					if (transparent == is_transparent_pass) {
+					if (!transparent) {
 						if (buf->getVertexCount() == 0)
 							errorstream << "Block [" << analyze_block(block)
-								<< "] contains an empty meshbuf" << std::endl;
-
-						material.setFlag(video::EMF_TRILINEAR_FILTER,
-							m_cache_trilinear_filter);
-						material.setFlag(video::EMF_BILINEAR_FILTER,
-							m_cache_bilinear_filter);
-						material.setFlag(video::EMF_ANISOTROPIC_FILTER,
-							m_cache_anistropic_filter);
-						material.setFlag(video::EMF_WIREFRAME,
-							m_control.show_wireframe);
-
-						drawbufs.add(buf, block_pos, layer);
+									<< "] contains an empty meshbuf" << std::endl;
+
+						grouped_buffers.add(buf, block_pos, layer);
 					}
 				}
 			}
 		}
 	}
 
+	// Capture draw order for all solid meshes
+	for (auto &lists : grouped_buffers.lists) {
+		for (MeshBufList &list : lists) {
+			// iterate in reverse to draw closest blocks first
+			for (auto it = list.bufs.rbegin(); it != list.bufs.rend(); ++it) {
+				draw_order.emplace_back(it->first, it->second, it != list.bufs.rbegin());
+			}
+		}
+	}
+
 	TimeTaker draw("Drawing mesh buffers");
 
 	core::matrix4 m; // Model matrix
 	v3f offset = intToFloat(m_camera_offset, BS);
+	u32 material_swaps = 0;
 
-	// Render all layers in order
-	for (auto &lists : drawbufs.lists) {
-		for (MeshBufList &list : lists) {
-			// Check and abort if the machine is swapping a lot
-			if (draw.getTimerTime() > 2000) {
-				infostream << "ClientMap::renderMap(): Rendering took >2s, " <<
-						"returning." << std::endl;
-				return;
-			}
+	// Render all mesh buffers in order
+	drawcall_count += draw_order.size();
+
+	for (auto &descriptor : draw_order) {
+		scene::IMeshBuffer *buf;
+		
+		if (descriptor.m_use_partial_buffer) {
+			descriptor.m_partial_buffer->beforeDraw();
+			buf = descriptor.m_partial_buffer->getBuffer();
+		}
+		else {
+			buf = descriptor.m_buffer;
+		}
+
+		// Check and abort if the machine is swapping a lot
+		if (draw.getTimerTime() > 2000) {
+			infostream << "ClientMap::renderMap(): Rendering took >2s, " <<
+					"returning." << std::endl;
+			return;
+		}
+
+		if (!descriptor.m_reuse_material) {
+			auto &material = buf->getMaterial();
+
+			// Apply filter settings
+			material.setFlag(video::EMF_TRILINEAR_FILTER,
+				m_cache_trilinear_filter);
+			material.setFlag(video::EMF_BILINEAR_FILTER,
+				m_cache_bilinear_filter);
+			material.setFlag(video::EMF_ANISOTROPIC_FILTER,
+				m_cache_anistropic_filter);
+			material.setFlag(video::EMF_WIREFRAME,
+				m_control.show_wireframe);
 
 			// pass the shadow map texture to the buffer texture
 			ShadowRenderer *shadow = m_rendering_engine->get_shadow_renderer();
 			if (shadow && shadow->is_active()) {
-				auto &layer = list.m.TextureLayer[3];
+				auto &layer = material.TextureLayer[3];
 				layer.Texture = shadow->get_texture();
 				layer.TextureWrapU = video::E_TEXTURE_CLAMP::ETC_CLAMP_TO_EDGE;
 				layer.TextureWrapV = video::E_TEXTURE_CLAMP::ETC_CLAMP_TO_EDGE;
-				layer.TrilinearFilter = true;
+				// Do not enable filter on shadow texture to avoid visual artifacts
+				// with colored shadows.
+				// Filtering is done in shader code anyway
+				layer.TrilinearFilter = false;
 			}
+			driver->setMaterial(material);
+			++material_swaps;
+		}
 
-			driver->setMaterial(list.m);
-
-			drawcall_count += list.bufs.size();
-			for (auto &pair : list.bufs) {
-				scene::IMeshBuffer *buf = pair.second;
-
-				v3f block_wpos = intToFloat(pair.first * MAP_BLOCKSIZE, BS);
-				m.setTranslation(block_wpos - offset);
+		v3f block_wpos = intToFloat(descriptor.m_pos * MAP_BLOCKSIZE, BS);
+		m.setTranslation(block_wpos - offset);
 
-				driver->setTransform(video::ETS_WORLD, m);
-				driver->drawMeshBuffer(buf);
-				vertex_count += buf->getVertexCount();
-			}
-		}
+		driver->setTransform(video::ETS_WORLD, m);
+		driver->drawMeshBuffer(buf);
+		vertex_count += buf->getIndexCount();
 	}
+
 	g_profiler->avg(prefix + "draw meshes [ms]", draw.stop(true));
 
 	// Log only on solid pass because values are the same
@@ -440,8 +510,13 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 		g_profiler->avg("renderMap(): animated meshes [#]", mesh_animate_count);
 	}
 
+	if (pass == scene::ESNRP_TRANSPARENT) {
+		g_profiler->avg("renderMap(): transparent buffers [#]", draw_order.size());
+	}
+
 	g_profiler->avg(prefix + "vertices drawn [#]", vertex_count);
 	g_profiler->avg(prefix + "drawcalls [#]", drawcall_count);
+	g_profiler->avg(prefix + "material swaps [#]", material_swaps);
 }
 
 static bool getVisibleBrightness(Map *map, const v3f &p0, v3f dir, float step,
@@ -648,7 +723,9 @@ void ClientMap::renderMapShadows(video::IVideoDriver *driver,
 	u32 drawcall_count = 0;
 	u32 vertex_count = 0;
 
-	MeshBufListList drawbufs;
+	MeshBufListList grouped_buffers;
+	std::vector<DrawDescriptor> draw_order;
+
 
 	int count = 0;
 	int low_bound = is_transparent_pass ? 0 : m_drawlist_shadow.size() / total_frames * frame;
@@ -677,7 +754,15 @@ void ClientMap::renderMapShadows(video::IVideoDriver *driver,
 		/*
 			Get the meshbuffers of the block
 		*/
-		{
+		if (is_transparent_pass) {
+			// In transparent pass, the mesh will give us
+			// the partial buffers in the correct order
+			for (auto &buffer : block->mesh->getTransparentBuffers())
+				draw_order.emplace_back(block_pos, &buffer);
+		}
+		else {
+			// otherwise, group buffers across meshes
+			// using MeshBufListList
 			MapBlockMesh *mapBlockMesh = block->mesh;
 			assert(mapBlockMesh);
 
@@ -692,79 +777,99 @@ void ClientMap::renderMapShadows(video::IVideoDriver *driver,
 					video::SMaterial &mat = buf->getMaterial();
 					auto rnd = driver->getMaterialRenderer(mat.MaterialType);
 					bool transparent = rnd && rnd->isTransparent();
-					if (transparent == is_transparent_pass)
-						drawbufs.add(buf, block_pos, layer);
+					if (!transparent)
+						grouped_buffers.add(buf, block_pos, layer);
 				}
 			}
 		}
 	}
 
+	u32 buffer_count = 0;
+	for (auto &lists : grouped_buffers.lists)
+		for (MeshBufList &list : lists)
+			buffer_count += list.bufs.size();
+	
+	draw_order.reserve(draw_order.size() + buffer_count);
+	
+	// Capture draw order for all solid meshes
+	for (auto &lists : grouped_buffers.lists) {
+		for (MeshBufList &list : lists) {
+			// iterate in reverse to draw closest blocks first
+			for (auto it = list.bufs.rbegin(); it != list.bufs.rend(); ++it)
+				draw_order.emplace_back(it->first, it->second, it != list.bufs.rbegin());
+		}
+	}
+
 	TimeTaker draw("Drawing shadow mesh buffers");
 
 	core::matrix4 m; // Model matrix
 	v3f offset = intToFloat(m_camera_offset, BS);
+	u32 material_swaps = 0;
 
-	// Render all layers in order
-	for (auto &lists : drawbufs.lists) {
-		for (MeshBufList &list : lists) {
-			// Check and abort if the machine is swapping a lot
-			if (draw.getTimerTime() > 1000) {
-				infostream << "ClientMap::renderMapShadows(): Rendering "
-						"took >1s, returning." << std::endl;
-				break;
-			}
-			for (auto &pair : list.bufs) {
-				scene::IMeshBuffer *buf = pair.second;
-
-				// override some material properties
-				video::SMaterial local_material = buf->getMaterial();
-				local_material.MaterialType = material.MaterialType;
-				local_material.BackfaceCulling = material.BackfaceCulling;
-				local_material.FrontfaceCulling = material.FrontfaceCulling;
-				local_material.BlendOperation = material.BlendOperation;
-				local_material.Lighting = false;
-				driver->setMaterial(local_material);
-
-				v3f block_wpos = intToFloat(pair.first * MAP_BLOCKSIZE, BS);
-				m.setTranslation(block_wpos - offset);
-
-				driver->setTransform(video::ETS_WORLD, m);
-				driver->drawMeshBuffer(buf);
-				vertex_count += buf->getVertexCount();
-			}
+	// Render all mesh buffers in order
+	drawcall_count += draw_order.size();
+
+	for (auto &descriptor : draw_order) {
+		scene::IMeshBuffer *buf;
+		
+		if (descriptor.m_use_partial_buffer) {
+			descriptor.m_partial_buffer->beforeDraw();
+			buf = descriptor.m_partial_buffer->getBuffer();
+		}
+		else {
+			buf = descriptor.m_buffer;
+		}
+
+		// Check and abort if the machine is swapping a lot
+		if (draw.getTimerTime() > 1000) {
+			infostream << "ClientMap::renderMapShadows(): Rendering "
+					"took >1s, returning." << std::endl;
+			break;
+		}
 
-			drawcall_count += list.bufs.size();
+		if (!descriptor.m_reuse_material) {
+			// override some material properties
+			video::SMaterial local_material = buf->getMaterial();
+			local_material.MaterialType = material.MaterialType;
+			local_material.BackfaceCulling = material.BackfaceCulling;
+			local_material.FrontfaceCulling = material.FrontfaceCulling;
+			local_material.BlendOperation = material.BlendOperation;
+			local_material.Lighting = false;
+			driver->setMaterial(local_material);
+			++material_swaps;
 		}
+
+		v3f block_wpos = intToFloat(descriptor.m_pos * MAP_BLOCKSIZE, BS);
+		m.setTranslation(block_wpos - offset);
+
+		driver->setTransform(video::ETS_WORLD, m);
+		driver->drawMeshBuffer(buf);
+		vertex_count += buf->getIndexCount();
 	}
 
-	// restore the driver material state 
+	// restore the driver material state
 	video::SMaterial clean;
 	clean.BlendOperation = video::EBO_ADD;
 	driver->setMaterial(clean); // reset material to defaults
 	driver->draw3DLine(v3f(), v3f(), video::SColor(0));
-	
+
 	g_profiler->avg(prefix + "draw meshes [ms]", draw.stop(true));
 	g_profiler->avg(prefix + "vertices drawn [#]", vertex_count);
 	g_profiler->avg(prefix + "drawcalls [#]", drawcall_count);
+	g_profiler->avg(prefix + "material swaps [#]", material_swaps);
 }
 
 /*
 	Custom update draw list for the pov of shadow light.
 */
-void ClientMap::updateDrawListShadow(const v3f &shadow_light_pos, const v3f &shadow_light_dir, float shadow_range)
+void ClientMap::updateDrawListShadow(v3f shadow_light_pos, v3f shadow_light_dir, float radius, float length)
 {
 	ScopeProfiler sp(g_profiler, "CM::updateDrawListShadow()", SPT_AVG);
 
-	const v3f camera_position = shadow_light_pos;
-	const v3f camera_direction = shadow_light_dir;
-	// I "fake" fov just to avoid creating a new function to handle orthographic
-	// projection.
-	const f32 camera_fov = m_camera_fov * 1.9f;
-
-	v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
+	v3s16 cam_pos_nodes = floatToInt(shadow_light_pos, BS);
 	v3s16 p_blocks_min;
 	v3s16 p_blocks_max;
-	getBlocksInViewRange(cam_pos_nodes, &p_blocks_min, &p_blocks_max, shadow_range);
+	getBlocksInViewRange(cam_pos_nodes, &p_blocks_min, &p_blocks_max, radius + length);
 
 	std::vector<v2s16> blocks_in_range;
 
@@ -774,15 +879,6 @@ void ClientMap::updateDrawListShadow(const v3f &shadow_light_pos, const v3f &sha
 	}
 	m_drawlist_shadow.clear();
 
-	// We need to append the blocks from the camera POV because sometimes
-	// they are not inside the light frustum and it creates glitches.
-	// FIXME: This could be removed if we figure out why they are missing
-	// from the light frustum.
-	for (auto &i : m_drawlist) {
-		i.second->refGrab();
-		m_drawlist_shadow[i.first] = i.second;
-	}
-
 	// Number of blocks currently loaded by the client
 	u32 blocks_loaded = 0;
 	// Number of blocks with mesh in rendering range
@@ -808,23 +904,13 @@ void ClientMap::updateDrawListShadow(const v3f &shadow_light_pos, const v3f &sha
 				continue;
 			}
 
-			float range = shadow_range;
-
-			float d = 0.0;
-			if (!isBlockInSight(block->getPos(), camera_position,
-					    camera_direction, camera_fov, range, &d))
+			v3f block_pos = intToFloat(block->getPos() * MAP_BLOCKSIZE, BS);
+			v3f projection = shadow_light_pos + shadow_light_dir * shadow_light_dir.dotProduct(block_pos - shadow_light_pos);
+			if (projection.getDistanceFrom(block_pos) > radius)
 				continue;
 
 			blocks_in_range_with_mesh++;
 
-			/*
-				Occlusion culling
-			*/
-			if (isBlockOccluded(block, cam_pos_nodes)) {
-				blocks_occlusion_culled++;
-				continue;
-			}
-
 			// This block is in range. Reset usage timer.
 			block->resetUsageTimer();
 
@@ -841,3 +927,40 @@ void ClientMap::updateDrawListShadow(const v3f &shadow_light_pos, const v3f &sha
 	g_profiler->avg("SHADOW MapBlocks drawn [#]", m_drawlist_shadow.size());
 	g_profiler->avg("SHADOW MapBlocks loaded [#]", blocks_loaded);
 }
+
+void ClientMap::updateTransparentMeshBuffers()
+{
+	ScopeProfiler sp(g_profiler, "CM::updateTransparentMeshBuffers", SPT_AVG);
+	u32 sorted_blocks = 0;
+	u32 unsorted_blocks = 0;
+	f32 sorting_distance_sq = pow(m_cache_transparency_sorting_distance * BS, 2.0f);
+
+
+	// Update the order of transparent mesh buffers in each mesh
+	for (auto it = m_drawlist.begin(); it != m_drawlist.end(); it++) {
+		MapBlock* block = it->second;
+		if (!block->mesh)
+			continue;
+		
+		if (m_needs_update_transparent_meshes || 
+				block->mesh->getTransparentBuffers().size() == 0) {
+
+			v3s16 block_pos = block->getPos();
+			v3f block_pos_f = intToFloat(block_pos * MAP_BLOCKSIZE + MAP_BLOCKSIZE / 2, BS);
+			f32 distance = m_camera_position.getDistanceFromSQ(block_pos_f);
+			if (distance <= sorting_distance_sq) {
+				block->mesh->updateTransparentBuffers(m_camera_position, block_pos);
+				++sorted_blocks;
+			}
+			else {
+				block->mesh->consolidateTransparentBuffers();
+				++unsorted_blocks;
+			}
+		}
+	}
+
+	g_profiler->avg("CM::Transparent Buffers - Sorted", sorted_blocks);
+	g_profiler->avg("CM::Transparent Buffers - Unsorted", unsorted_blocks);
+	m_needs_update_transparent_meshes = false;
+}
+
diff --git a/src/client/clientmap.h b/src/client/clientmap.h
index 97ce8d355..6d57f1911 100644
--- a/src/client/clientmap.h
+++ b/src/client/clientmap.h
@@ -56,6 +56,7 @@ struct MeshBufListList
 
 class Client;
 class ITextureSource;
+class PartialMeshBuffer;
 
 /*
 	ClientMap
@@ -75,45 +76,37 @@ public:
 
 	virtual ~ClientMap() = default;
 
-	s32 mapType() const
+	bool maySaveBlocks() override
 	{
-		return MAPTYPE_CLIENT;
+		return false;
 	}
 
-	void drop()
+	void drop() override
 	{
-		ISceneNode::drop();
+		ISceneNode::drop(); // calls destructor
 	}
 
-	void updateCamera(const v3f &pos, const v3f &dir, f32 fov, const v3s16 &offset)
-	{
-		m_camera_position = pos;
-		m_camera_direction = dir;
-		m_camera_fov = fov;
-		m_camera_offset = offset;
-	}
+	void updateCamera(v3f pos, v3f dir, f32 fov, v3s16 offset);
 
 	/*
 		Forcefully get a sector from somewhere
 	*/
-	MapSector * emergeSector(v2s16 p);
-
-	//void deSerializeSector(v2s16 p2d, std::istream &is);
+	MapSector * emergeSector(v2s16 p) override;
 
 	/*
 		ISceneNode methods
 	*/
 
-	virtual void OnRegisterSceneNode();
+	virtual void OnRegisterSceneNode() override;
 
-	virtual void render()
+	virtual void render() override
 	{
 		video::IVideoDriver* driver = SceneManager->getVideoDriver();
 		driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
 		renderMap(driver, SceneManager->getSceneNodeRenderPass());
 	}
 
-	virtual const aabb3f &getBoundingBox() const
+	virtual const aabb3f &getBoundingBox() const override
 	{
 		return m_box;
 	}
@@ -121,7 +114,9 @@ public:
 	void getBlocksInViewRange(v3s16 cam_pos_nodes,
 		v3s16 *p_blocks_min, v3s16 *p_blocks_max, float range=-1.0f);
 	void updateDrawList();
-	void updateDrawListShadow(const v3f &shadow_light_pos, const v3f &shadow_light_dir, float shadow_range);
+	void updateDrawListShadow(v3f shadow_light_pos, v3f shadow_light_dir, float radius, float length);
+	// Returns true if draw list needs updating before drawing the next frame.
+	bool needsUpdateDrawList() { return m_needs_update_drawlist; }
 	void renderMap(video::IVideoDriver* driver, s32 pass);
 
 	void renderMapShadows(video::IVideoDriver *driver,
@@ -133,13 +128,54 @@ public:
 	void renderPostFx(CameraMode cam_mode);
 
 	// For debug printing
-	virtual void PrintInfo(std::ostream &out);
+	void PrintInfo(std::ostream &out) override;
 
 	const MapDrawControl & getControl() const { return m_control; }
 	f32 getWantedRange() const { return m_control.wanted_range; }
 	f32 getCameraFov() const { return m_camera_fov; }
 
 private:
+
+	// update the vertex order in transparent mesh buffers
+	void updateTransparentMeshBuffers();
+
+	// Orders blocks by distance to the camera
+	class MapBlockComparer
+	{
+	public:
+		MapBlockComparer(const v3s16 &camera_block) : m_camera_block(camera_block) {}
+
+		bool operator() (const v3s16 &left, const v3s16 &right) const
+		{
+			auto distance_left = left.getDistanceFromSQ(m_camera_block);
+			auto distance_right = right.getDistanceFromSQ(m_camera_block);
+			return distance_left > distance_right || (distance_left == distance_right && left > right);
+		}
+
+	private:
+		v3s16 m_camera_block;
+	};
+
+
+	// reference to a mesh buffer used when rendering the map.
+	struct DrawDescriptor {
+		v3s16 m_pos;
+		union {
+			scene::IMeshBuffer *m_buffer;
+			const PartialMeshBuffer *m_partial_buffer;
+		};
+		bool m_reuse_material:1;
+		bool m_use_partial_buffer:1;
+
+		DrawDescriptor(v3s16 pos, scene::IMeshBuffer *buffer, bool reuse_material) :
+			m_pos(pos), m_buffer(buffer), m_reuse_material(reuse_material), m_use_partial_buffer(false)
+		{}
+
+		DrawDescriptor(v3s16 pos, const PartialMeshBuffer *buffer) :
+			m_pos(pos), m_partial_buffer(buffer), m_reuse_material(false), m_use_partial_buffer(true)
+		{}
+	};
+
 	Client *m_client;
 	RenderingEngine *m_rendering_engine;
 
@@ -152,9 +188,11 @@ private:
 	v3f m_camera_direction = v3f(0,0,1);
 	f32 m_camera_fov = M_PI;
 	v3s16 m_camera_offset;
+	bool m_needs_update_transparent_meshes = true;
 
-	std::map<v3s16, MapBlock*> m_drawlist;
+	std::map<v3s16, MapBlock*, MapBlockComparer> m_drawlist;
 	std::map<v3s16, MapBlock*> m_drawlist_shadow;
+	bool m_needs_update_drawlist;
 
 	std::set<v2s16> m_last_drawn_sectors;
 
@@ -162,4 +200,5 @@ private:
 	bool m_cache_bilinear_filter;
 	bool m_cache_anistropic_filter;
 	bool m_added_to_shadow_renderer{false};
+	u16 m_cache_transparency_sorting_distance;
 };
diff --git a/src/client/clientmedia.h b/src/client/clientmedia.h
index aa7b0f398..c297d737f 100644
--- a/src/client/clientmedia.h
+++ b/src/client/clientmedia.h
@@ -174,12 +174,12 @@ private:
 	s32 m_uncached_received_count = 0;
 
 	// Status of remote transfers
-	unsigned long m_httpfetch_caller;
-	unsigned long m_httpfetch_next_id = 0;
+	u64 m_httpfetch_caller;
+	u64 m_httpfetch_next_id = 0;
 	s32 m_httpfetch_active = 0;
 	s32 m_httpfetch_active_limit = 0;
 	s32 m_outstanding_hash_sets = 0;
-	std::unordered_map<unsigned long, std::string> m_remote_file_transfers;
+	std::unordered_map<u64, std::string> m_remote_file_transfers;
 
 	// All files up to this name have either been received from a
 	// remote server or failed on all remote servers, so those files
diff --git a/src/client/clouds.h b/src/client/clouds.h
index c009a05b7..6db88d93c 100644
--- a/src/client/clouds.h
+++ b/src/client/clouds.h
@@ -22,7 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "irrlichttypes_extrabloated.h"
 #include <iostream>
 #include "constants.h"
-#include "cloudparams.h"
+#include "skyparams.h"
 
 // Menu clouds
 class Clouds;
diff --git a/src/client/content_cao.cpp b/src/client/content_cao.cpp
index 5d8a597a2..ec1fd1c2a 100644
--- a/src/client/content_cao.cpp
+++ b/src/client/content_cao.cpp
@@ -27,7 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/sound.h"
 #include "client/tile.h"
 #include "util/basic_macros.h"
-#include "util/numeric.h" // For IntervalLimiter & setPitchYawRoll
+#include "util/numeric.h"
 #include "util/serialize.h"
 #include "camera.h" // CameraModes
 #include "collision.h"
@@ -172,6 +172,20 @@ static void updatePositionRecursive(scene::ISceneNode *node)
 	node->updateAbsolutePosition();
 }
 
+static bool logOnce(const std::ostringstream &from, std::ostream &log_to)
+{
+	thread_local std::vector<u64> logged;
+
+	std::string message = from.str();
+	u64 hash = murmur_hash_64_ua(message.data(), message.length(), 0xBADBABE);
+
+	if (std::find(logged.begin(), logged.end(), hash) != logged.end())
+		return false;
+	logged.push_back(hash);
+	log_to << message << std::endl;
+	return true;
+}
+
 /*
 	TestCAO
 */
@@ -422,7 +436,7 @@ const v3f GenericCAO::getPosition() const
 	return m_position;
 }
 
-const bool GenericCAO::isImmortal()
+bool GenericCAO::isImmortal() const
 {
 	return itemgroup_get(getGroups(), "immortal");
 }
@@ -651,7 +665,7 @@ void GenericCAO::addToScene(ITextureSource *tsrc, scene::ISceneManager *smgr)
 				m_matrixnode, v2f(1, 1), v3f(0,0,0), -1);
 		m_spritenode->grab();
 		m_spritenode->setMaterialTexture(0,
-				tsrc->getTextureForMesh("unknown_node.png"));
+				tsrc->getTextureForMesh("no_texture.png"));
 
 		setSceneNodeMaterial(m_spritenode);
 
@@ -735,9 +749,6 @@ void GenericCAO::addToScene(ITextureSource *tsrc, scene::ISceneManager *smgr)
 		m_meshnode = m_smgr->addMeshSceneNode(mesh, m_matrixnode);
 		m_meshnode->grab();
 		mesh->drop();
-		// Set it to use the materials of the meshbuffers directly.
-		// This is needed for changing the texture in the future
-		m_meshnode->setReadOnlyMaterials(true);
 	} else if (m_prop.visual == "cube") {
 		grabMatrixNode();
 		scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
@@ -754,10 +765,6 @@ void GenericCAO::addToScene(ITextureSource *tsrc, scene::ISceneManager *smgr)
 		grabMatrixNode();
 		scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh, true);
 		if (mesh) {
-			m_animated_meshnode = m_smgr->addAnimatedMeshSceneNode(mesh, m_matrixnode);
-			m_animated_meshnode->grab();
-			mesh->drop(); // The scene node took hold of it
-
 			if (!checkMeshNormals(mesh)) {
 				infostream << "GenericCAO: recalculating normals for mesh "
 					<< m_prop.mesh << std::endl;
@@ -765,6 +772,9 @@ void GenericCAO::addToScene(ITextureSource *tsrc, scene::ISceneManager *smgr)
 						recalculateNormals(mesh, true, false);
 			}
 
+			m_animated_meshnode = m_smgr->addAnimatedMeshSceneNode(mesh, m_matrixnode);
+			m_animated_meshnode->grab();
+			mesh->drop(); // The scene node took hold of it
 			m_animated_meshnode->animateJoints(); // Needed for some animations
 			m_animated_meshnode->setScale(m_prop.visual_size);
 
@@ -827,12 +837,33 @@ void GenericCAO::addToScene(ITextureSource *tsrc, scene::ISceneManager *smgr)
 	setNodeLight(m_last_light);
 	updateMeshCulling();
 
+	if (m_animated_meshnode) {
+		u32 mat_count = m_animated_meshnode->getMaterialCount();
+		if (mat_count == 0 || m_prop.textures.empty()) {
+			// nothing
+		} else if (mat_count > m_prop.textures.size()) {
+			std::ostringstream oss;
+			oss << "GenericCAO::addToScene(): Model "
+				<< m_prop.mesh << " loaded with " << mat_count
+				<< " mesh buffers but only " << m_prop.textures.size()
+				<< " texture(s) specifed, this is deprecated.";
+			logOnce(oss, warningstream);
+
+			video::ITexture *last = m_animated_meshnode->getMaterial(0).TextureLayer[0].Texture;
+			for (u32 i = 1; i < mat_count; i++) {
+				auto &layer = m_animated_meshnode->getMaterial(i).TextureLayer[0];
+				if (!layer.Texture)
+					layer.Texture = last;
+				last = layer.Texture;
+			}
+		}
+	}
+
 	if (m_client->modsLoaded() && m_client->getScript()->on_object_add(m_id)) {
 		removeFromScene(false);
 		return;
 	}
 
-
 	if (m_client->modsLoaded())
 		m_client->getScript()->on_object_properties_change(m_id);
 }
@@ -842,7 +873,8 @@ void GenericCAO::updateLight(u32 day_night_ratio)
 	if (m_glow < 0)
 		return;
 
-	u8 light_at_pos = 0;
+	u16 light_at_pos = 0;
+	u8 light_at_pos_intensity = 0;
 	bool pos_ok = false;
 
 	v3s16 pos[3];
@@ -851,30 +883,36 @@ void GenericCAO::updateLight(u32 day_night_ratio)
 		bool this_ok;
 		MapNode n = m_env->getMap().getNode(pos[i], &this_ok);
 		if (this_ok) {
-			u8 this_light = n.getLightBlend(day_night_ratio, m_client->ndef());
-			light_at_pos = MYMAX(light_at_pos, this_light);
+			u16 this_light = getInteriorLight(n, 0, m_client->ndef());
+			u8 this_light_intensity = MYMAX(this_light & 0xFF, (this_light >> 8) && 0xFF);
+			if (this_light_intensity > light_at_pos_intensity) {
+				light_at_pos = this_light;
+				light_at_pos_intensity = this_light_intensity;
+			}
 			pos_ok = true;
 		}
 	}
 	if (!pos_ok)
-		light_at_pos = blend_light(day_night_ratio, LIGHT_SUN, 0);
+		light_at_pos = LIGHT_SUN;
+
+	video::SColor light = encode_light(light_at_pos, m_glow);
+	if (!m_enable_shaders)
+		final_color_blend(&light, light_at_pos, day_night_ratio);
 
-	u8 light = decode_light(light_at_pos + m_glow);
 	if (g_settings->getBool("fullbright"))
-		light = 255;
+		light = video::SColor(0xFFFFFFFF);
+
 	if (light != m_last_light) {
 		m_last_light = light;
 		setNodeLight(light);
 	}
 }
 
-void GenericCAO::setNodeLight(u8 light)
+void GenericCAO::setNodeLight(const video::SColor &light_color)
 {
-	video::SColor color(255, light, light, light);
-
 	if (m_prop.visual == "wielditem" || m_prop.visual == "item") {
 		if (m_wield_meshnode)
-			m_wield_meshnode->setNodeLightColor(color);
+			m_wield_meshnode->setNodeLightColor(light_color);
 		return;
 	}
 
@@ -886,7 +924,7 @@ void GenericCAO::setNodeLight(u8 light)
 			scene::IMesh *mesh = m_meshnode->getMesh();
 			for (u32 i = 0; i < mesh->getMeshBufferCount(); ++i) {
 				scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
-				buf->getMaterial().EmissiveColor = color;
+				buf->getMaterial().EmissiveColor = light_color;
 			}
 		} else {
 			scene::ISceneNode *node = getSceneNode();
@@ -895,16 +933,16 @@ void GenericCAO::setNodeLight(u8 light)
 
 			for (u32 i = 0; i < node->getMaterialCount(); ++i) {
 				video::SMaterial &material = node->getMaterial(i);
-				material.EmissiveColor = color;
+				material.EmissiveColor = light_color;
 			}
 		}
 	} else {
 		if (m_meshnode) {
-			setMeshColor(m_meshnode->getMesh(), color);
+			setMeshColor(m_meshnode->getMesh(), light_color);
 		} else if (m_animated_meshnode) {
-			setAnimatedMeshColor(m_animated_meshnode, color);
+			setAnimatedMeshColor(m_animated_meshnode, light_color);
 		} else if (m_spritenode) {
-			m_spritenode->setColor(color);
+			m_spritenode->setColor(light_color);
 		}
 	}
 }
@@ -1014,12 +1052,14 @@ void GenericCAO::step(float dtime, ClientEnvironment *env)
 			m_velocity = v3f(0,0,0);
 			m_acceleration = v3f(0,0,0);
 			const PlayerControl &controls = player->getPlayerControl();
+			f32 new_speed = player->local_animation_speed;
 
 			bool walking = false;
-			if (controls.movement_speed > 0.001f && ! g_settings->getBool("freecam"))
+			if (controls.movement_speed > 0.001f && ! g_settings->getBool("freecam")) {
+				new_speed *= controls.movement_speed;
 				walking = true;
+			}
 
-			f32 new_speed = player->local_animation_speed;
 			v2s32 new_anim = v2s32(0,0);
 			bool allow_update = false;
 
@@ -1034,7 +1074,6 @@ void GenericCAO::step(float dtime, ClientEnvironment *env)
 			// slowdown speed if sneaking
 			if (controls.sneak && walking && ! g_settings->getBool("no_slow"))
 				new_speed /= 2;
-			new_speed *= controls.movement_speed;
 
 			if (walking && (controls.dig || controls.place)) {
 				new_anim = player->local_animations[3];
@@ -1304,9 +1343,15 @@ void GenericCAO::updateTextures(std::string mod)
 	m_current_texture_modifier = mod;
 	m_glow = m_prop.glow;
 
+	video::ITexture *shadow_texture = nullptr;
+	if (auto shadow = RenderingEngine::get_shadow_renderer())
+		shadow_texture = shadow->get_texture();
+
+	const u32 TEXTURE_LAYER_SHADOW = 3;
+
 	if (m_spritenode) {
 		if (m_prop.visual == "sprite") {
-			std::string texturestring = "unknown_node.png";
+			std::string texturestring = "no_texture.png";
 			if (!m_prop.textures.empty())
 				texturestring = m_prop.textures[0];
 			texturestring += mod;
@@ -1314,6 +1359,7 @@ void GenericCAO::updateTextures(std::string mod)
 			m_spritenode->getMaterial(0).MaterialTypeParam = 0.5f;
 			m_spritenode->setMaterialTexture(0,
 					tsrc->getTextureForMesh(texturestring));
+			m_spritenode->setMaterialTexture(TEXTURE_LAYER_SHADOW, shadow_texture);
 
 			// This allows setting per-material colors. However, until a real lighting
 			// system is added, the code below will have no effect. Once MineTest
@@ -1349,6 +1395,7 @@ void GenericCAO::updateTextures(std::string mod)
 				material.MaterialType = m_material_type;
 				material.MaterialTypeParam = 0.5f;
 				material.TextureLayer[0].Texture = texture;
+				material.TextureLayer[TEXTURE_LAYER_SHADOW].Texture = shadow_texture;
 				material.setFlag(video::EMF_LIGHTING, true);
 				material.setFlag(video::EMF_BILINEAR_FILTER, false);
 				material.setFlag(video::EMF_BACK_FACE_CULLING, m_prop.backface_culling);
@@ -1385,7 +1432,7 @@ void GenericCAO::updateTextures(std::string mod)
 		{
 			for (u32 i = 0; i < 6; ++i)
 			{
-				std::string texturestring = "unknown_node.png";
+				std::string texturestring = "no_texture.png";
 				if(m_prop.textures.size() > i)
 					texturestring = m_prop.textures[i];
 				texturestring += mod;
@@ -1399,6 +1446,7 @@ void GenericCAO::updateTextures(std::string mod)
 				material.setFlag(video::EMF_BILINEAR_FILTER, false);
 				material.setTexture(0,
 						tsrc->getTextureForMesh(texturestring));
+				material.setTexture(TEXTURE_LAYER_SHADOW, shadow_texture);
 				material.getTextureMatrix(0).makeIdentity();
 
 				// This allows setting per-material colors. However, until a real lighting
@@ -1418,54 +1466,56 @@ void GenericCAO::updateTextures(std::string mod)
 		} else if (m_prop.visual == "upright_sprite") {
 			scene::IMesh *mesh = m_meshnode->getMesh();
 			{
-				std::string tname = "unknown_object.png";
+				std::string tname = "no_texture.png";
 				if (!m_prop.textures.empty())
 					tname = m_prop.textures[0];
 				tname += mod;
-				scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
-				buf->getMaterial().setTexture(0,
+				auto& material = m_meshnode->getMaterial(0);
+				material.setTexture(0,
 						tsrc->getTextureForMesh(tname));
+				material.setTexture(TEXTURE_LAYER_SHADOW, shadow_texture);
 
 				// This allows setting per-material colors. However, until a real lighting
 				// system is added, the code below will have no effect. Once MineTest
 				// has directional lighting, it should work automatically.
 				if(!m_prop.colors.empty()) {
-					buf->getMaterial().AmbientColor = m_prop.colors[0];
-					buf->getMaterial().DiffuseColor = m_prop.colors[0];
-					buf->getMaterial().SpecularColor = m_prop.colors[0];
+					material.AmbientColor = m_prop.colors[0];
+					material.DiffuseColor = m_prop.colors[0];
+					material.SpecularColor = m_prop.colors[0];
 				}
 
-				buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
-				buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
-				buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
+				material.setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
+				material.setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
+				material.setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
 			}
 			{
-				std::string tname = "unknown_object.png";
+				std::string tname = "no_texture.png";
 				if (m_prop.textures.size() >= 2)
 					tname = m_prop.textures[1];
 				else if (!m_prop.textures.empty())
 					tname = m_prop.textures[0];
 				tname += mod;
-				scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
-				buf->getMaterial().setTexture(0,
+				auto& material = m_meshnode->getMaterial(1);
+				material.setTexture(0,
 						tsrc->getTextureForMesh(tname));
+				material.setTexture(TEXTURE_LAYER_SHADOW, shadow_texture);
 
 				// This allows setting per-material colors. However, until a real lighting
 				// system is added, the code below will have no effect. Once MineTest
 				// has directional lighting, it should work automatically.
 				if (m_prop.colors.size() >= 2) {
-					buf->getMaterial().AmbientColor = m_prop.colors[1];
-					buf->getMaterial().DiffuseColor = m_prop.colors[1];
-					buf->getMaterial().SpecularColor = m_prop.colors[1];
+					material.AmbientColor = m_prop.colors[1];
+					material.DiffuseColor = m_prop.colors[1];
+					material.SpecularColor = m_prop.colors[1];
 				} else if (!m_prop.colors.empty()) {
-					buf->getMaterial().AmbientColor = m_prop.colors[0];
-					buf->getMaterial().DiffuseColor = m_prop.colors[0];
-					buf->getMaterial().SpecularColor = m_prop.colors[0];
+					material.AmbientColor = m_prop.colors[0];
+					material.DiffuseColor = m_prop.colors[0];
+					material.SpecularColor = m_prop.colors[0];
 				}
 
-				buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
-				buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
-				buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
+				material.setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
+				material.setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
+				material.setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
 			}
 			// Set mesh color (only if lighting is disabled)
 			if (!m_prop.colors.empty() && m_glow < 0)
@@ -1811,6 +1861,7 @@ void GenericCAO::processMessage(const std::string &data)
 			{
 					updateAnimation();
 			}
+			// FIXME: ^ This code is trash. It's also broken.
 		}
 	} else if (cmd == AO_CMD_SET_ANIMATION_SPEED) {
 		m_animation_speed = readF32(is);
@@ -1855,6 +1906,8 @@ void GenericCAO::processMessage(const std::string &data)
 				m_reset_textures_timer = 0.05;
 				if(damage >= 2)
 					m_reset_textures_timer += 0.05 * damage;
+				// Cap damage overlay to 1 second
+				m_reset_textures_timer = std::min(m_reset_textures_timer, 1.0f);
 				updateTextures(m_current_texture_modifier + m_prop.damage_texture_modifier);
 			}
 		}
@@ -1905,7 +1958,8 @@ bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
 			m_armor_groups,
 			toolcap,
 			punchitem,
-			time_from_last_punch);
+			time_from_last_punch,
+			punchitem->wear);
 
 	if(result.did_punch && result.damage != 0)
 	{
@@ -1925,6 +1979,8 @@ bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
 			m_reset_textures_timer = 0.05;
 			if (result.damage >= 2)
 				m_reset_textures_timer += 0.05 * result.damage;
+			// Cap damage overlay to 1 second
+			m_reset_textures_timer = std::min(m_reset_textures_timer, 1.0f);
 			updateTextures(m_current_texture_modifier + m_prop.damage_texture_modifier);
 		}
 	}
@@ -1953,20 +2009,17 @@ void GenericCAO::updateMeshCulling()
 
 	const bool hidden = m_client->getCamera()->getCameraMode() == CAMERA_MODE_FIRST && ! g_settings->getBool("freecam");
 
-	if (m_meshnode && m_prop.visual == "upright_sprite") {
-		u32 buffers = m_meshnode->getMesh()->getMeshBufferCount();
-		for (u32 i = 0; i < buffers; i++) {
-			video::SMaterial &mat = m_meshnode->getMesh()->getMeshBuffer(i)->getMaterial();
-			// upright sprite has no backface culling
-			mat.setFlag(video::EMF_FRONT_FACE_CULLING, hidden);
-		}
-		return;
-	}
-
 	scene::ISceneNode *node = getSceneNode();
+
 	if (!node)
 		return;
 
+	if (m_prop.visual == "upright_sprite") {
+		// upright sprite has no backface culling
+		node->setMaterialFlag(video::EMF_FRONT_FACE_CULLING, hidden);
+		return;
+	}
+
 	if (hidden) {
 		// Hide the mesh by culling both front and
 		// back faces. Serious hackyness but it works for our
diff --git a/src/client/content_cao.h b/src/client/content_cao.h
index 7e9bb6671..8e5d04bfa 100644
--- a/src/client/content_cao.h
+++ b/src/client/content_cao.h
@@ -125,7 +125,7 @@ private:
 	std::string m_current_texture_modifier = "";
 	bool m_visuals_expired = false;
 	float m_step_distance_counter = 0.0f;
-	u8 m_last_light = 255;
+	video::SColor m_last_light = video::SColor(0xFFFFFFFF);
 	bool m_is_visible = false;
 	s8 m_glow = 0;
 	// Material
@@ -182,12 +182,12 @@ public:
 		return m_velocity;
 	}
 
-	inline const u16 getHp() const
+	inline u16 getHp() const
 	{
 		return m_hp;
 	}
 
-	const bool isImmortal();
+	bool isImmortal() const;
 
 	inline const ObjectProperties &getProperties() const { return m_prop; }
 
@@ -271,7 +271,7 @@ public:
 
 	void updateLight(u32 day_night_ratio);
 
-	void setNodeLight(u8 light);
+	void setNodeLight(const video::SColor &light);
 
 	/* Get light position(s).
 	 * returns number of positions written into pos[], which must have space
diff --git a/src/client/content_mapblock.cpp b/src/client/content_mapblock.cpp
index bb2d6398f..8675275aa 100644
--- a/src/client/content_mapblock.cpp
+++ b/src/client/content_mapblock.cpp
@@ -150,8 +150,10 @@ void MapblockMeshGenerator::drawQuad(v3f *coords, const v3s16 &normal,
 //              should be (2+2)*6=24 values in the list. The order of
 //              the faces in the list is up-down-right-left-back-front
 //              (compatible with ContentFeatures).
+//  mask      - a bit mask that suppresses drawing of tiles.
+//              tile i will not be drawn if mask & (1 << i) is 1
 void MapblockMeshGenerator::drawCuboid(const aabb3f &box,
-	TileSpec *tiles, int tilecount, const LightInfo *lights, const f32 *txc)
+	TileSpec *tiles, int tilecount, const LightInfo *lights, const f32 *txc, u8 mask)
 {
 	assert(tilecount >= 1 && tilecount <= 6); // pre-condition
 
@@ -274,6 +276,8 @@ void MapblockMeshGenerator::drawCuboid(const aabb3f &box,
 
 	// Add to mesh collector
 	for (int k = 0; k < 6; ++k) {
+		if (mask & (1 << k))
+			continue;
 		int tileindex = MYMIN(k, tilecount - 1);
 		collector->append(tiles[tileindex], vertices + 4 * k, 4, quad_indices, 6);
 	}
@@ -363,7 +367,7 @@ void MapblockMeshGenerator::generateCuboidTextureCoords(const aabb3f &box, f32 *
 }
 
 void MapblockMeshGenerator::drawAutoLightedCuboid(aabb3f box, const f32 *txc,
-	TileSpec *tiles, int tile_count)
+	TileSpec *tiles, int tile_count, u8 mask)
 {
 	bool scale = std::fabs(f->visual_scale - 1.0f) > 1e-3f;
 	f32 texture_coord_buf[24];
@@ -373,6 +377,10 @@ void MapblockMeshGenerator::drawAutoLightedCuboid(aabb3f box, const f32 *txc,
 	f32 dx2 = box.MaxEdge.X;
 	f32 dy2 = box.MaxEdge.Y;
 	f32 dz2 = box.MaxEdge.Z;
+
+	box.MinEdge += origin;
+	box.MaxEdge += origin;
+
 	if (scale) {
 		if (!txc) { // generate texture coords before scaling
 			generateCuboidTextureCoords(box, texture_coord_buf);
@@ -381,12 +389,11 @@ void MapblockMeshGenerator::drawAutoLightedCuboid(aabb3f box, const f32 *txc,
 		box.MinEdge *= f->visual_scale;
 		box.MaxEdge *= f->visual_scale;
 	}
-	box.MinEdge += origin;
-	box.MaxEdge += origin;
 	if (!txc) {
 		generateCuboidTextureCoords(box, texture_coord_buf);
 		txc = texture_coord_buf;
 	}
+
 	if (!tiles) {
 		tiles = &tile;
 		tile_count = 1;
@@ -400,12 +407,49 @@ void MapblockMeshGenerator::drawAutoLightedCuboid(aabb3f box, const f32 *txc,
 			d.Z = (j & 1) ? dz2 : dz1;
 			lights[j] = blendLight(d);
 		}
-		drawCuboid(box, tiles, tile_count, lights, txc);
+		drawCuboid(box, tiles, tile_count, lights, txc, mask);
 	} else {
-		drawCuboid(box, tiles, tile_count, nullptr, txc);
+		drawCuboid(box, tiles, tile_count, nullptr, txc, mask);
 	}
 }
 
+u8 MapblockMeshGenerator::getNodeBoxMask(aabb3f box, u8 solid_neighbors, u8 sametype_neighbors) const
+{
+	const f32 NODE_BOUNDARY = 0.5 * BS;
+
+	// For an oversized nodebox, return immediately
+	if (box.MaxEdge.X > NODE_BOUNDARY ||
+			box.MinEdge.X < -NODE_BOUNDARY ||
+			box.MaxEdge.Y >  NODE_BOUNDARY ||
+			box.MinEdge.Y < -NODE_BOUNDARY ||
+			box.MaxEdge.Z >  NODE_BOUNDARY ||
+			box.MinEdge.Z < -NODE_BOUNDARY)
+		return 0;
+
+	// We can skip faces at node boundary if the matching neighbor is solid
+	u8 solid_mask =
+			(box.MaxEdge.Y == NODE_BOUNDARY  ?  1 : 0) |
+			(box.MinEdge.Y == -NODE_BOUNDARY ?  2 : 0) |
+			(box.MaxEdge.X == NODE_BOUNDARY  ?  4 : 0) |
+			(box.MinEdge.X == -NODE_BOUNDARY ?  8 : 0) |
+			(box.MaxEdge.Z == NODE_BOUNDARY  ? 16 : 0) |
+			(box.MinEdge.Z == -NODE_BOUNDARY ? 32 : 0);
+
+	u8 sametype_mask = 0;
+	if (f->alpha == AlphaMode::ALPHAMODE_OPAQUE) {
+		// In opaque nodeboxes, faces on opposite sides can cancel
+		// each other out if there is a matching neighbor of the same type
+		sametype_mask =
+				((solid_mask & 3) == 3 ? 3 : 0) |
+				((solid_mask & 12) == 12 ? 12 : 0) |
+				((solid_mask & 48) == 48 ? 48 : 0);
+	}
+
+	// Combine masks with actual neighbors to get the faces to be skipped
+	return (solid_mask & solid_neighbors) | (sametype_mask & sametype_neighbors);
+}
+
+
 void MapblockMeshGenerator::prepareLiquidNodeDrawing()
 {
 	getSpecialTile(0, &tile_liquid_top);
@@ -1363,13 +1407,38 @@ void MapblockMeshGenerator::drawNodeboxNode()
 		getTile(nodebox_tile_dirs[face], &tiles[face]);
 	}
 
+	bool param2_is_rotation =
+			f->param_type_2 == CPT2_COLORED_FACEDIR ||
+			f->param_type_2 == CPT2_COLORED_WALLMOUNTED ||
+			f->param_type_2 == CPT2_FACEDIR ||
+			f->param_type_2 == CPT2_WALLMOUNTED;
+
+	bool param2_is_level =
+			f->param_type_2 == CPT2_LEVELED;
+
 	// locate possible neighboring nodes to connect to
 	u8 neighbors_set = 0;
-	if (f->node_box.type == NODEBOX_CONNECTED) {
-		for (int dir = 0; dir != 6; dir++) {
-			u8 flag = 1 << dir;
-			v3s16 p2 = blockpos_nodes + p + nodebox_connection_dirs[dir];
-			MapNode n2 = data->m_vmanip.getNodeNoEx(p2);
+	u8 solid_neighbors = 0;
+	u8 sametype_neighbors = 0;
+	for (int dir = 0; dir != 6; dir++) {
+		u8 flag = 1 << dir;
+		v3s16 p2 = blockpos_nodes + p + nodebox_tile_dirs[dir];
+		MapNode n2 = data->m_vmanip.getNodeNoEx(p2);
+
+		// mark neighbors that are the same node type
+		// and have the same rotation or higher level stored as param2
+		if (n2.param0 == n.param0 &&
+				(!param2_is_rotation || n.param2 == n2.param2) &&
+				(!param2_is_level || n.param2 <= n2.param2))
+			sametype_neighbors |= flag;
+
+		// mark neighbors that are simple solid blocks
+		if (nodedef->get(n2).drawtype == NDT_NORMAL)
+			solid_neighbors |= flag;
+
+		if (f->node_box.type == NODEBOX_CONNECTED) {
+			p2 = blockpos_nodes + p + nodebox_connection_dirs[dir];
+			n2 = data->m_vmanip.getNodeNoEx(p2);
 			if (nodedef->nodeboxConnects(n, n2, flag))
 				neighbors_set |= flag;
 		}
@@ -1377,8 +1446,63 @@ void MapblockMeshGenerator::drawNodeboxNode()
 
 	std::vector<aabb3f> boxes;
 	n.getNodeBoxes(nodedef, &boxes, neighbors_set);
-	for (auto &box : boxes)
-		drawAutoLightedCuboid(box, nullptr, tiles, 6);
+
+	bool isTransparent = false;
+
+	for (const TileSpec &tile : tiles) {
+		if (tile.layers[0].isTransparent()) {
+			isTransparent = true;
+			break;
+		}
+	}
+
+	if (isTransparent) {
+		std::vector<float> sections;
+		// Preallocate 8 default splits + Min&Max for each nodebox
+		sections.reserve(8 + 2 * boxes.size());
+
+		for (int axis = 0; axis < 3; axis++) {
+			// identify sections
+
+			if (axis == 0) {
+				// Default split at node bounds, up to 3 nodes in each direction
+				for (float s = -3.5f * BS; s < 4.0f * BS; s += 1.0f * BS)
+					sections.push_back(s);
+			}
+			else {
+				// Avoid readding the same 8 default splits for Y and Z
+				sections.resize(8);
+			}
+
+			// Add edges of existing node boxes, rounded to 1E-3
+			for (size_t i = 0; i < boxes.size(); i++) {
+				sections.push_back(std::floor(boxes[i].MinEdge[axis] * 1E3) * 1E-3);
+				sections.push_back(std::floor(boxes[i].MaxEdge[axis] * 1E3) * 1E-3);
+			}
+
+			// split the boxes at recorded sections
+			// limit splits to avoid runaway crash if inner loop adds infinite splits
+			// due to e.g. precision problems.
+			// 100 is just an arbitrary, reasonably high number.
+			for (size_t i = 0; i < boxes.size() && i < 100; i++) {
+				aabb3f *box = &boxes[i];
+				for (float section : sections) {
+					if (box->MinEdge[axis] < section && box->MaxEdge[axis] > section) {
+						aabb3f copy(*box);
+						copy.MinEdge[axis] = section;
+						box->MaxEdge[axis] = section;
+						boxes.push_back(copy);
+						box = &boxes[i]; // find new address of the box in case of reallocation
+					}
+				}
+			}
+		}
+	}
+
+	for (auto &box : boxes) {
+		u8 mask = getNodeBoxMask(box, solid_neighbors, sametype_neighbors);
+		drawAutoLightedCuboid(box, nullptr, tiles, 6, mask);
+	}
 }
 
 void MapblockMeshGenerator::drawMeshNode()
diff --git a/src/client/content_mapblock.h b/src/client/content_mapblock.h
index 7344f05ee..b13748cbc 100644
--- a/src/client/content_mapblock.h
+++ b/src/client/content_mapblock.h
@@ -100,10 +100,11 @@ public:
 
 // cuboid drawing!
 	void drawCuboid(const aabb3f &box, TileSpec *tiles, int tilecount,
-		const LightInfo *lights , const f32 *txc);
+		const LightInfo *lights , const f32 *txc, u8 mask = 0);
 	void generateCuboidTextureCoords(aabb3f const &box, f32 *coords);
 	void drawAutoLightedCuboid(aabb3f box, const f32 *txc = NULL,
-		TileSpec *tiles = NULL, int tile_count = 0);
+		TileSpec *tiles = NULL, int tile_count = 0, u8 mask = 0);
+	u8 getNodeBoxMask(aabb3f box, u8 solid_neighbors, u8 sametype_neighbors) const;
 
 // liquid-specific
 	bool top_is_same_liquid;
diff --git a/src/client/fontengine.cpp b/src/client/fontengine.cpp
index f64315db4..ad8305b45 100644
--- a/src/client/fontengine.cpp
+++ b/src/client/fontengine.cpp
@@ -24,10 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "porting.h"
 #include "filesys.h"
 #include "gettext.h"
-
-#if USE_FREETYPE
 #include "irrlicht_changes/CGUITTFont.h"
-#endif
 
 /** maximum size distance for getting a "similar" font size */
 #define MAX_FONT_SIZE_OFFSET 10
@@ -45,9 +42,8 @@ static void font_setting_changed(const std::string &name, void *userdata)
 FontEngine::FontEngine(gui::IGUIEnvironment* env) :
 	m_env(env)
 {
-
 	for (u32 &i : m_default_size) {
-		i = (FontMode) FONT_SIZE_UNSPECIFIED;
+		i = FONT_SIZE_UNSPECIFIED;
 	}
 
 	assert(g_settings != NULL); // pre-condition
@@ -56,23 +52,19 @@ FontEngine::FontEngine(gui::IGUIEnvironment* env) :
 
 	readSettings();
 
-	if (m_currentMode != FM_Simple) {
-		g_settings->registerChangedCallback("font_size", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_bold", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_italic", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_path", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_path_bold", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_path_italic", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_path_bolditalic", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_shadow", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("font_shadow_alpha", font_setting_changed, NULL);
-		g_settings->registerChangedCallback("fallback_font_path", font_setting_changed, NULL);
-	}
+	const char *settings[] = {
+		"font_size", "font_bold", "font_italic", "font_size_divisible_by",
+		"mono_font_size", "mono_font_size_divisible_by",
+		"font_shadow", "font_shadow_alpha",
+		"font_path", "font_path_bold", "font_path_italic", "font_path_bold_italic",
+		"mono_font_path", "mono_font_path_bold", "mono_font_path_italic",
+		"mono_font_path_bold_italic",
+		"fallback_font_path",
+		"screen_dpi", "gui_scaling",
+	};
 
-	g_settings->registerChangedCallback("mono_font_path", font_setting_changed, NULL);
-	g_settings->registerChangedCallback("mono_font_size", font_setting_changed, NULL);
-	g_settings->registerChangedCallback("screen_dpi", font_setting_changed, NULL);
-	g_settings->registerChangedCallback("gui_scaling", font_setting_changed, NULL);
+	for (auto name : settings)
+		g_settings->registerChangedCallback(name, font_setting_changed, NULL);
 }
 
 /******************************************************************************/
@@ -84,11 +76,13 @@ FontEngine::~FontEngine()
 /******************************************************************************/
 void FontEngine::cleanCache()
 {
+	RecursiveMutexAutoLock l(m_font_mutex);
+
 	for (auto &font_cache_it : m_font_cache) {
 
 		for (auto &font_it : font_cache_it) {
 			font_it.second->drop();
-			font_it.second = NULL;
+			font_it.second = nullptr;
 		}
 		font_cache_it.clear();
 	}
@@ -104,16 +98,8 @@ irr::gui::IGUIFont *FontEngine::getFont(FontSpec spec, bool may_fail)
 {
 	if (spec.mode == FM_Unspecified) {
 		spec.mode = m_currentMode;
-	} else if (m_currentMode == FM_Simple) {
-		// Freetype disabled -> Force simple mode
-		spec.mode = (spec.mode == FM_Mono ||
-				spec.mode == FM_SimpleMono) ?
-				FM_SimpleMono : FM_Simple;
-		// Support for those could be added, but who cares?
-		spec.bold = false;
-		spec.italic = false;
 	} else if (spec.mode == _FM_Fallback) {
-		// Fallback font doesn't support these either
+		// Fallback font doesn't support these
 		spec.bold = false;
 		spec.italic = false;
 	}
@@ -122,17 +108,15 @@ irr::gui::IGUIFont *FontEngine::getFont(FontSpec spec, bool may_fail)
 	if (spec.size == FONT_SIZE_UNSPECIFIED)
 		spec.size = m_default_size[spec.mode];
 
+	RecursiveMutexAutoLock l(m_font_mutex);
+
 	const auto &cache = m_font_cache[spec.getHash()];
 	auto it = cache.find(spec.size);
 	if (it != cache.end())
 		return it->second;
 
 	// Font does not yet exist
-	gui::IGUIFont *font = nullptr;
-	if (spec.mode == FM_Simple || spec.mode == FM_SimpleMono)
-		font = initSimpleFont(spec);
-	else
-		font = initFont(spec);
+	gui::IGUIFont *font = initFont(spec);
 
 	if (!font && !may_fail) {
 		errorstream << "Minetest cannot continue without a valid font. "
@@ -149,13 +133,7 @@ irr::gui::IGUIFont *FontEngine::getFont(FontSpec spec, bool may_fail)
 /******************************************************************************/
 unsigned int FontEngine::getTextHeight(const FontSpec &spec)
 {
-	irr::gui::IGUIFont *font = getFont(spec);
-
-	// use current skin font as fallback
-	if (font == NULL) {
-		font = m_env->getSkin()->getFont();
-	}
-	FATAL_ERROR_IF(font == NULL, "Could not get skin font");
+	gui::IGUIFont *font = getFont(spec);
 
 	return font->getDimension(L"Some unimportant example String").Height;
 }
@@ -163,28 +141,15 @@ unsigned int FontEngine::getTextHeight(const FontSpec &spec)
 /******************************************************************************/
 unsigned int FontEngine::getTextWidth(const std::wstring &text, const FontSpec &spec)
 {
-	irr::gui::IGUIFont *font = getFont(spec);
-
-	// use current skin font as fallback
-	if (font == NULL) {
-		font = m_env->getSkin()->getFont();
-	}
-	FATAL_ERROR_IF(font == NULL, "Could not get font");
+	gui::IGUIFont *font = getFont(spec);
 
 	return font->getDimension(text.c_str()).Width;
 }
 
-
 /** get line height for a specific font (including empty room between lines) */
 unsigned int FontEngine::getLineHeight(const FontSpec &spec)
 {
-	irr::gui::IGUIFont *font = getFont(spec);
-
-	// use current skin font as fallback
-	if (font == NULL) {
-		font = m_env->getSkin()->getFont();
-	}
-	FATAL_ERROR_IF(font == NULL, "Could not get font");
+	gui::IGUIFont *font = getFont(spec);
 
 	return font->getDimension(L"Some unimportant example String").Height
 			+ font->getKerningHeight();
@@ -198,13 +163,6 @@ unsigned int FontEngine::getDefaultFontSize()
 
 unsigned int FontEngine::getFontSize(FontMode mode)
 {
-	if (m_currentMode == FM_Simple) {
-		if (mode == FM_Mono || mode == FM_SimpleMono)
-			return m_default_size[FM_SimpleMono];
-		else
-			return m_default_size[FM_Simple];
-	}
-
 	if (mode == FM_Unspecified)
 		return m_default_size[FM_Standard];
 
@@ -214,20 +172,12 @@ unsigned int FontEngine::getFontSize(FontMode mode)
 /******************************************************************************/
 void FontEngine::readSettings()
 {
-	if (USE_FREETYPE && g_settings->getBool("freetype")) {
-		m_default_size[FM_Standard]  = g_settings->getU16("font_size");
-		m_default_size[_FM_Fallback] = g_settings->getU16("font_size");
-		m_default_size[FM_Mono]      = g_settings->getU16("mono_font_size");
-
-		m_default_bold = g_settings->getBool("font_bold");
-		m_default_italic = g_settings->getBool("font_italic");
+	m_default_size[FM_Standard]  = g_settings->getU16("font_size");
+	m_default_size[_FM_Fallback] = g_settings->getU16("font_size");
+	m_default_size[FM_Mono]      = g_settings->getU16("mono_font_size");
 
-	} else {
-		m_currentMode = FM_Simple;
-	}
-
-	m_default_size[FM_Simple]       = g_settings->getU16("font_size");
-	m_default_size[FM_SimpleMono]   = g_settings->getU16("mono_font_size");
+	m_default_bold = g_settings->getBool("font_bold");
+	m_default_italic = g_settings->getBool("font_italic");
 
 	cleanCache();
 	updateFontCache();
@@ -238,22 +188,9 @@ void FontEngine::readSettings()
 void FontEngine::updateSkin()
 {
 	gui::IGUIFont *font = getFont();
+	assert(font);
 
-	if (font)
-		m_env->getSkin()->setFont(font);
-	else
-		errorstream << "FontEngine: Default font file: " <<
-				"\n\t\"" << g_settings->get("font_path") << "\"" <<
-				"\n\trequired for current screen configuration was not found" <<
-				" or was invalid file format." <<
-				"\n\tUsing irrlicht default font." << std::endl;
-
-	// If we did fail to create a font our own make irrlicht find a default one
-	font = m_env->getSkin()->getFont();
-	FATAL_ERROR_IF(font == NULL, "Could not create/get font");
-
-	u32 text_height = font->getDimension(L"Hello, world!").Height;
-	infostream << "FontEngine: measured text_height=" << text_height << std::endl;
+	m_env->getSkin()->setFont(font);
 }
 
 /******************************************************************************/
@@ -280,15 +217,18 @@ gui::IGUIFont *FontEngine::initFont(const FontSpec &spec)
 	if (spec.italic)
 		setting_suffix.append("_italic");
 
-	u32 size = std::floor(RenderingEngine::getDisplayDensity() *
-			g_settings->getFloat("gui_scaling") * spec.size);
+	u32 size = std::max<u32>(spec.size * RenderingEngine::getDisplayDensity() *
+			g_settings->getFloat("gui_scaling"), 1);
 
-	if (size == 0) {
-		errorstream << "FontEngine: attempt to use font size 0" << std::endl;
-		errorstream << "  display density: " << RenderingEngine::getDisplayDensity() << std::endl;
-		abort();
+	// Constrain the font size to a certain multiple, if necessary
+	u16 divisible_by = g_settings->getU16(setting_prefix + "font_size_divisible_by");
+	if (divisible_by > 1) {
+		size = std::max<u32>(
+				std::round((double)size / divisible_by) * divisible_by, divisible_by);
 	}
 
+	sanity_check(size != 0);
+
 	u16 font_shadow       = 0;
 	u16 font_shadow_alpha = 0;
 	g_settings->getU16NoEx(setting_prefix + "font_shadow", font_shadow);
@@ -306,7 +246,6 @@ gui::IGUIFont *FontEngine::initFont(const FontSpec &spec)
 		Settings::getLayer(SL_DEFAULTS)->get(path_setting)
 	};
 
-#if USE_FREETYPE
 	for (const std::string &font_path : fallback_settings) {
 		gui::CGUITTFont *font = gui::CGUITTFont::createTTFont(m_env,
 				font_path.c_str(), size, true, true, font_shadow,
@@ -325,80 +264,5 @@ gui::IGUIFont *FontEngine::initFont(const FontSpec &spec)
 		}
 		return font;
 	}
-#else
-	errorstream << "FontEngine: Tried to load TTF font but Minetest was"
-			" compiled without Freetype." << std::endl;
-#endif
 	return nullptr;
 }
-
-/** initialize a font without freetype */
-gui::IGUIFont *FontEngine::initSimpleFont(const FontSpec &spec)
-{
-	assert(spec.mode == FM_Simple || spec.mode == FM_SimpleMono);
-	assert(spec.size != FONT_SIZE_UNSPECIFIED);
-
-	const std::string &font_path = g_settings->get(
-			(spec.mode == FM_SimpleMono) ? "mono_font_path" : "font_path");
-
-	size_t pos_dot = font_path.find_last_of('.');
-	std::string basename = font_path, ending;
-	if (pos_dot != std::string::npos)
-		ending = lowercase(font_path.substr(pos_dot));
-
-	if (ending == ".ttf") {
-		errorstream << "FontEngine: Found font \"" << font_path
-				<< "\" but freetype is not available." << std::endl;
-		return nullptr;
-	}
-
-	if (ending == ".xml" || ending == ".png")
-		basename = font_path.substr(0, pos_dot);
-
-	u32 size = std::floor(
-			RenderingEngine::getDisplayDensity() *
-			g_settings->getFloat("gui_scaling") *
-			spec.size);
-
-	irr::gui::IGUIFont *font = nullptr;
-	std::string font_extensions[] = { ".png", ".xml" };
-
-	// Find nearest matching font scale
-	// Does a "zig-zag motion" (positibe/negative), from 0 to MAX_FONT_SIZE_OFFSET
-	for (s32 zoffset = 0; zoffset < MAX_FONT_SIZE_OFFSET * 2; zoffset++) {
-		std::stringstream path;
-
-		// LSB to sign
-		s32 sign = (zoffset & 1) ? -1 : 1;
-		s32 offset = zoffset >> 1;
-
-		for (const std::string &ext : font_extensions) {
-			path.str(""); // Clear
-			path << basename << "_" << (size + offset * sign) << ext;
-
-			if (!fs::PathExists(path.str()))
-				continue;
-
-			font = m_env->getFont(path.str().c_str());
-
-			if (font) {
-				verbosestream << "FontEngine: found font: " << path.str() << std::endl;
-				break;
-			}
-		}
-
-		if (font)
-			break;
-	}
-
-	// try name direct
-	if (font == NULL) {
-		if (fs::PathExists(font_path)) {
-			font = m_env->getFont(font_path.c_str());
-			if (font)
-				verbosestream << "FontEngine: found font: " << font_path << std::endl;
-		}
-	}
-
-	return font;
-}
diff --git a/src/client/fontengine.h b/src/client/fontengine.h
index 3d389ea48..78608e517 100644
--- a/src/client/fontengine.h
+++ b/src/client/fontengine.h
@@ -20,13 +20,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #pragma once
 
 #include <map>
-#include <vector>
 #include "util/basic_macros.h"
 #include "irrlichttypes.h"
 #include <IGUIFont.h>
 #include <IGUISkin.h>
 #include <IGUIEnvironment.h>
 #include "settings.h"
+#include "threading/mutex_auto_lock.h"
 
 #define FONT_SIZE_UNSPECIFIED 0xFFFFFFFF
 
@@ -34,8 +34,6 @@ enum FontMode : u8 {
 	FM_Standard = 0,
 	FM_Mono,
 	_FM_Fallback, // do not use directly
-	FM_Simple,
-	FM_SimpleMono,
 	FM_MaxMode,
 	FM_Unspecified
 };
@@ -140,9 +138,6 @@ private:
 	/** initialize a new TTF font */
 	gui::IGUIFont *initFont(const FontSpec &spec);
 
-	/** initialize a font without freetype */
-	gui::IGUIFont *initSimpleFont(const FontSpec &spec);
-
 	/** update current minetest skin with font changes */
 	void updateSkin();
 
@@ -152,6 +147,9 @@ private:
 	/** pointer to irrlicht gui environment */
 	gui::IGUIEnvironment* m_env = nullptr;
 
+	/** mutex used to protect font init and cache */
+	std::recursive_mutex m_font_mutex;
+
 	/** internal storage for caching fonts of different size */
 	std::map<unsigned int, irr::gui::IGUIFont*> m_font_cache[FM_MaxMode << 2];
 
@@ -162,8 +160,8 @@ private:
 	bool m_default_bold = false;
 	bool m_default_italic = false;
 
-	/** current font engine mode */
-	FontMode m_currentMode = FM_Standard;
+	/** default font engine mode (fixed) */
+	static const FontMode m_currentMode = FM_Standard;
 
 	DISABLE_CLASS_COPY(FontEngine);
 };
diff --git a/src/client/game.cpp b/src/client/game.cpp
index d2a751040..e439d0e32 100644
--- a/src/client/game.cpp
+++ b/src/client/game.cpp
@@ -122,7 +122,7 @@ Game::Game() :
 
 	readSettings();
 
-#ifdef __ANDROID__
+#ifdef HAVE_TOUCHSCREENGUI
 	m_cache_hold_aux1 = false;	// This is initialised properly later
 #endif
 
@@ -243,19 +243,19 @@ bool Game::startup(bool *kill,
 void Game::run()
 {
 	ProfilerGraph graph;
-	RunStats stats              = { 0 };
-	FpsControl draw_times       = { 0 };
+	RunStats stats = {};
+	FpsControl draw_times;
 	f32 dtime; // in seconds
 
 	/* Clear the profiler */
 	Profiler::GraphValues dummyvalues;
 	g_profiler->graphGet(dummyvalues);
 
-	draw_times.last_time = m_rendering_engine->get_timer_time();
+	draw_times.reset();
 
 	set_light_table(g_settings->getFloat("display_gamma"));
 
-#ifdef __ANDROID__
+#ifdef HAVE_TOUCHSCREENGUI
 	m_cache_hold_aux1 = g_settings->getBool("fast_move")
 			&& client->checkPrivilege("fast");
 #endif
@@ -283,7 +283,7 @@ void Game::run()
 		// Calculate dtime =
 		//    m_rendering_engine->run() from this iteration
 		//  + Sleep time until the wanted FPS are reached
-		limitFps(&draw_times, &dtime);
+		draw_times.limit(device, &dtime);
 
 		// Prepare render data for next iteration
 
@@ -313,10 +313,9 @@ void Game::run()
 		step(&dtime);
 		processClientEvents(&cam_view_target);
 		updateDebugState();
-		updateCamera(draw_times.busy_time, dtime);
+		updateCamera(dtime);
 		updateSound(dtime);
-		processPlayerInteraction(dtime, m_game_ui->m_flags.show_hud,
-			m_game_ui->m_flags.show_basic_debug);
+		processPlayerInteraction(dtime, m_game_ui->m_flags.show_hud);
 		updateFrame(&graph, &stats, dtime, cam_view);
 		updateProfilerGraphs(&graph);
 
@@ -473,9 +472,8 @@ bool Game::createSingleplayerServer(const std::string &map_dir,
 	}
 
 	if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
-		*error_message = "Unable to listen on " +
-				bind_addr.serializeString() +
-				" because IPv6 is disabled";
+		*error_message = fmtgettext("Unable to listen on %s because IPv6 is disabled",
+			bind_addr.serializeString().c_str());
 		errorstream << *error_message << std::endl;
 		return false;
 	}
@@ -508,7 +506,7 @@ bool Game::createClient(const GameStartData &start_data)
 	if (!could_connect) {
 		if (error_message->empty() && !connect_aborted) {
 			// Should not happen if error messages are set properly
-			*error_message = "Connection failed for unknown reason";
+			*error_message = gettext("Connection failed for unknown reason");
 			errorstream << *error_message << std::endl;
 		}
 		return false;
@@ -517,7 +515,7 @@ bool Game::createClient(const GameStartData &start_data)
 	if (!getServerContent(&connect_aborted)) {
 		if (error_message->empty() && !connect_aborted) {
 			// Should not happen if error messages are set properly
-			*error_message = "Connection failed for unknown reason";
+			*error_message = gettext("Connection failed for unknown reason");
 			errorstream << *error_message << std::endl;
 		}
 		return false;
@@ -533,8 +531,8 @@ bool Game::createClient(const GameStartData &start_data)
 	/* Camera
 	 */
 	camera = new Camera(*draw_control, client, m_rendering_engine);
-	if (!camera->successfullyCreated(*error_message))
-		return false;
+	if (client->modsLoaded())
+		client->getScript()->on_camera_ready(camera);
 	client->setCamera(camera);
 
 	/* Clouds
@@ -575,7 +573,7 @@ bool Game::createClient(const GameStartData &start_data)
 		str += L" [";
 		str += text;
 		str += L"]";
-		delete text;
+		delete[] text;
 	}
 	str += L" [";
 	str += L"Minetest Hackclient";
@@ -650,7 +648,6 @@ bool Game::connectToServer(const GameStartData &start_data,
 		connect_address.Resolve(start_data.address.c_str());
 
 		if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
-			//connect_address.Resolve("localhost");
 			if (connect_address.isIPv6()) {
 				IPv6AddressBytes addr_bytes;
 				addr_bytes.bytes[15] = 1;
@@ -661,29 +658,35 @@ bool Game::connectToServer(const GameStartData &start_data,
 			local_server_mode = true;
 		}
 	} catch (ResolveError &e) {
-		*error_message = std::string("Couldn't resolve address: ") + e.what();
+		*error_message = fmtgettext("Couldn't resolve address: %s", e.what());
+
 		errorstream << *error_message << std::endl;
 		return false;
 	}
 
 	if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
-		*error_message = "Unable to connect to " +
-				connect_address.serializeString() +
-				" because IPv6 is disabled";
+		*error_message = fmtgettext("Unable to connect to %s because IPv6 is disabled", connect_address.serializeString().c_str());
 		errorstream << *error_message << std::endl;
 		return false;
 	}
 
-	client = new Client(start_data.name.c_str(),
-			start_data.password, start_data.address,
-			*draw_control, texture_src, shader_src,
-			itemdef_manager, nodedef_manager, sound, eventmgr,
-			m_rendering_engine, connect_address.isIPv6(), m_game_ui.get());
+	try {
+		client = new Client(start_data.name.c_str(),
+				start_data.password, start_data.address,
+				*draw_control, texture_src, shader_src,
+				itemdef_manager, nodedef_manager, sound, eventmgr,
+				m_rendering_engine, connect_address.isIPv6(), m_game_ui.get());
+		client->migrateModStorage();
+	} catch (const BaseException &e) {
+		*error_message = fmtgettext("Error creating client: %s", e.what());
+		errorstream << *error_message << std::endl;
+		return false;
+	}
 
 	client->m_simple_singleplayer_mode = simple_singleplayer_mode;
 
 	infostream << "Connecting to server at ";
-	connect_address.print(&infostream);
+	connect_address.print(infostream);
 	infostream << std::endl;
 
 	client->connect(connect_address,
@@ -696,15 +699,15 @@ bool Game::connectToServer(const GameStartData &start_data,
 	try {
 		input->clear();
 
-		FpsControl fps_control = { 0 };
+		FpsControl fps_control;
 		f32 dtime;
 		f32 wait_time = 0; // in seconds
 
-		fps_control.last_time = m_rendering_engine->get_timer_time();
+		fps_control.reset();
 
 		while (m_rendering_engine->run()) {
 
-			limitFps(&fps_control, &dtime);
+			fps_control.limit(device, &dtime);
 
 			// Update client and server
 			client->step(dtime);
@@ -723,8 +726,7 @@ bool Game::connectToServer(const GameStartData &start_data,
 				break;
 
 			if (client->accessDenied()) {
-				*error_message = "Access denied. Reason: "
-						+ client->accessDeniedReason();
+				*error_message = fmtgettext("Access denied. Reason: %s", client->accessDeniedReason().c_str());
 				*reconnect_requested = client->reconnectRequested();
 				errorstream << *error_message << std::endl;
 				break;
@@ -750,7 +752,7 @@ bool Game::connectToServer(const GameStartData &start_data,
 				wait_time += dtime;
 				// Only time out if we aren't waiting for the server we started
 				if (!start_data.address.empty() && wait_time > 10) {
-					*error_message = "Connection timed out.";
+					*error_message = gettext("Connection timed out.");
 					errorstream << *error_message << std::endl;
 					break;
 				}
@@ -772,14 +774,14 @@ bool Game::getServerContent(bool *aborted)
 {
 	input->clear();
 
-	FpsControl fps_control = { 0 };
+	FpsControl fps_control;
 	f32 dtime; // in seconds
 
-	fps_control.last_time = m_rendering_engine->get_timer_time();
+	fps_control.reset();
 
 	while (m_rendering_engine->run()) {
 
-		limitFps(&fps_control, &dtime);
+		fps_control.limit(device, &dtime);
 
 		// Update client and server
 		client->step(dtime);
@@ -798,7 +800,7 @@ bool Game::getServerContent(bool *aborted)
 			return false;
 
 		if (client->getState() < LC_Init) {
-			*error_message = "Client disconnected";
+			*error_message = gettext("Client disconnected");
 			errorstream << *error_message << std::endl;
 			return false;
 		}
@@ -880,8 +882,7 @@ inline void Game::updateInteractTimers(f32 dtime)
 inline bool Game::checkConnection()
 {
 	if (client->accessDenied()) {
-		*error_message = "Access denied. Reason: "
-				+ client->accessDeniedReason();
+		*error_message = fmtgettext("Access denied. Reason: %s", client->accessDeniedReason().c_str());
 		*reconnect_requested = client->reconnectRequested();
 		errorstream << *error_message << std::endl;
 		return false;
@@ -936,17 +937,16 @@ void Game::processQueues()
 
 void Game::updateDebugState()
 {
-	bool has_basic_debug = client->checkPrivilege("basic_debug");
+	LocalPlayer *player = client->getEnv().getLocalPlayer();
 	bool has_debug = client->checkPrivilege("debug");
+	bool has_basic_debug = has_debug || (player->hud_flags & HUD_FLAG_BASIC_DEBUG);
 
 	if (m_game_ui->m_flags.show_basic_debug) {
-		if (!has_basic_debug) {
+		if (!has_basic_debug)
 			m_game_ui->m_flags.show_basic_debug = false;
-		}
 	} else if (m_game_ui->m_flags.show_minimal_debug) {
-		if (has_basic_debug) {
+		if (has_basic_debug)
 			m_game_ui->m_flags.show_basic_debug = true;
-		}
 	}
 	if (!has_basic_debug)
 		hud->disableBlockBounds();
@@ -977,10 +977,10 @@ void Game::updateProfilers(const RunStats &stats, const FpsControl &draw_times,
 	}
 
 	// Update update graphs
-	g_profiler->graphAdd("Time non-rendering [ms]",
+	g_profiler->graphAdd("Time non-rendering [us]",
 		draw_times.busy_time - stats.drawtime);
 
-	g_profiler->graphAdd("Sleep [ms]", draw_times.sleep_time);
+	g_profiler->graphAdd("Sleep [us]", draw_times.sleep_time);
 	g_profiler->graphAdd("FPS", 1.0f / dtime);
 }
 
@@ -1013,9 +1013,9 @@ void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
 	/* Busytime average and jitter calculation
 	 */
 	jp = &stats->busy_time_jitter;
-	jp->avg = jp->avg + draw_times.busy_time * 0.02;
+	jp->avg = jp->avg + draw_times.getBusyMs() * 0.02;
 
-	jitter = draw_times.busy_time - jp->avg;
+	jitter = draw_times.getBusyMs() - jp->avg;
 
 	if (jitter > jp->max)
 		jp->max = jitter;
@@ -1052,6 +1052,7 @@ void Game::processUserInput(f32 dtime)
 	else if (g_touchscreengui) {
 		/* on touchscreengui step may generate own input events which ain't
 		 * what we want in case we just did clear them */
+		g_touchscreengui->show();
 		g_touchscreengui->step(dtime);
 	}
 #endif
@@ -1290,15 +1291,22 @@ void Game::openInventory()
 	InventoryLocation inventoryloc;
 	inventoryloc.setCurrentPlayer();
 
-	if (!client->modsLoaded()
-			|| !client->getScript()->on_inventory_open(fs_src->m_client->getInventory(inventoryloc))) {
-		TextDest *txt_dst = new TextDestPlayerInventory(client);
-		auto *&formspec = m_game_ui->updateFormspec("");
-		GUIFormSpecMenu::create(formspec, client, m_rendering_engine->get_gui_env(),
-			&input->joystick, fs_src, txt_dst, client->getFormspecPrepend(), sound);
+	if (client->modsLoaded() && client->getScript()->on_inventory_open(fs_src->m_client->getInventory(inventoryloc))) {
+		delete fs_src;
+		return;
+	}
 
-		formspec->setFormSpec(fs_src->getForm(), inventoryloc);
+	if (fs_src->getForm().empty()) {
+		delete fs_src;
+		return;
 	}
+
+	TextDest *txt_dst = new TextDestPlayerInventory(client);
+	auto *&formspec = m_game_ui->updateFormspec("");
+	GUIFormSpecMenu::create(formspec, client, m_rendering_engine->get_gui_env(),
+		&input->joystick, fs_src, txt_dst, client->getFormspecPrepend(), sound);
+
+	formspec->setFormSpec(fs_src->getForm(), inventoryloc);
 }
 
 void Game::openEnderchest()
@@ -1398,7 +1406,7 @@ void Game::toggleFast()
 		m_game_ui->showTranslatedStatusText("Fast mode disabled");
 	}
 
-#ifdef __ANDROID__
+#ifdef HAVE_TOUCHSCREENGUI
 	m_cache_hold_aux1 = fast_move && has_fast_privs;
 #endif
 }
@@ -1469,27 +1477,27 @@ void Game::toggleCinematic()
 
 void Game::toggleBlockBounds()
 {
-	if (client->checkPrivilege("basic_debug")) {
-		enum Hud::BlockBoundsMode newmode = hud->toggleBlockBounds();
-		switch (newmode) {
-			case Hud::BLOCK_BOUNDS_OFF:
-				m_game_ui->showTranslatedStatusText("Block bounds hidden");
-				break;
-			case Hud::BLOCK_BOUNDS_CURRENT:
-				m_game_ui->showTranslatedStatusText("Block bounds shown for current block");
-				break;
-			case Hud::BLOCK_BOUNDS_NEAR:
-				m_game_ui->showTranslatedStatusText("Block bounds shown for nearby blocks");
-				break;
-			case Hud::BLOCK_BOUNDS_MAX:
-				m_game_ui->showTranslatedStatusText("Block bounds shown for all blocks");
-				break;
-			default:
-				break;
-		}
-
-	} else {
-		m_game_ui->showTranslatedStatusText("Can't show block bounds (need 'basic_debug' privilege)");
+	LocalPlayer *player = client->getEnv().getLocalPlayer();
+	if (!(client->checkPrivilege("debug") || (player->hud_flags & HUD_FLAG_BASIC_DEBUG))) {
+		m_game_ui->showTranslatedStatusText("Can't show block bounds (disabled by mod or game)");
+		return;
+	}
+	enum Hud::BlockBoundsMode newmode = hud->toggleBlockBounds();
+	switch (newmode) {
+		case Hud::BLOCK_BOUNDS_OFF:
+			m_game_ui->showTranslatedStatusText("Block bounds hidden");
+			break;
+		case Hud::BLOCK_BOUNDS_CURRENT:
+			m_game_ui->showTranslatedStatusText("Block bounds shown for current block");
+			break;
+		case Hud::BLOCK_BOUNDS_NEAR:
+			m_game_ui->showTranslatedStatusText("Block bounds shown for nearby blocks");
+			break;
+		case Hud::BLOCK_BOUNDS_MAX:
+			m_game_ui->showTranslatedStatusText("Block bounds shown for all blocks");
+			break;
+		default:
+			break;
 	}
 }
 
@@ -1556,6 +1564,9 @@ void Game::toggleFog()
 
 void Game::toggleDebug()
 {
+	LocalPlayer *player = client->getEnv().getLocalPlayer();
+	bool has_debug = client->checkPrivilege("debug");
+	bool has_basic_debug = has_debug || (player->hud_flags & HUD_FLAG_BASIC_DEBUG);
 	// Initial: No debug info
 	// 1x toggle: Debug text
 	// 2x toggle: Debug text with profiler graph
@@ -1565,26 +1576,23 @@ void Game::toggleDebug()
 	// The debug text can be in 2 modes: minimal and basic.
 	// * Minimal: Only technical client info that not gameplay-relevant
 	// * Basic: Info that might give gameplay advantage, e.g. pos, angle
-	// Basic mode is used when player has "basic_debug" priv,
+	// Basic mode is used when player has the debug HUD flag set,
 	// otherwise the Minimal mode is used.
 	if (!m_game_ui->m_flags.show_minimal_debug) {
 		m_game_ui->m_flags.show_minimal_debug = true;
-		if (client->checkPrivilege("basic_debug")) {
+		if (has_basic_debug)
 			m_game_ui->m_flags.show_basic_debug = true;
-		}
 		m_game_ui->m_flags.show_profiler_graph = false;
 		draw_control->show_wireframe = false;
 		m_game_ui->showTranslatedStatusText("Debug info shown");
 	} else if (!m_game_ui->m_flags.show_profiler_graph && !draw_control->show_wireframe) {
-		if (client->checkPrivilege("basic_debug")) {
+		if (has_basic_debug)
 			m_game_ui->m_flags.show_basic_debug = true;
-		}
 		m_game_ui->m_flags.show_profiler_graph = true;
 		m_game_ui->showTranslatedStatusText("Profiler graph shown");
 	} else if (!draw_control->show_wireframe && client->checkPrivilege("debug")) {
-		if (client->checkPrivilege("basic_debug")) {
+		if (has_basic_debug)
 			m_game_ui->m_flags.show_basic_debug = true;
-		}
 		m_game_ui->m_flags.show_profiler_graph = false;
 		draw_control->show_wireframe = true;
 		m_game_ui->showTranslatedStatusText("Wireframe shown");
@@ -1593,7 +1601,7 @@ void Game::toggleDebug()
 		m_game_ui->m_flags.show_basic_debug = false;
 		m_game_ui->m_flags.show_profiler_graph = false;
 		draw_control->show_wireframe = false;
-		if (client->checkPrivilege("debug")) {
+		if (has_debug) {
 			m_game_ui->showTranslatedStatusText("Debug info, profiler graph, and wireframe hidden");
 		} else {
 			m_game_ui->showTranslatedStatusText("Debug info and profiler graph hidden");
@@ -1755,6 +1763,10 @@ void Game::updatePlayerControl(const CameraOrientation &cam)
 	//TimeTaker tt("update player control", NULL, PRECISION_NANO);
 
 	PlayerControl control(
+		isKeyDown(KeyType::FORWARD),
+		isKeyDown(KeyType::BACKWARD),
+		isKeyDown(KeyType::LEFT),
+		isKeyDown(KeyType::RIGHT),
 		isKeyDown(KeyType::JUMP) || player->getAutojump(),
 		isKeyDown(KeyType::AUX1),
 		isKeyDown(KeyType::SNEAK),
@@ -1774,10 +1786,10 @@ void Game::updatePlayerControl(const CameraOrientation &cam)
 		control.movement_direction = 0.0f;
 	}
 
-#ifdef ANDROID
-	/* For Android, simulate holding down AUX1 (fast move) if the user has
+#ifdef HAVE_TOUCHSCREENGUI
+	/* For touch, simulate holding down AUX1 (fast move) if the user has
 	 * the fast_move setting toggled on. If there is an aux1 key defined for
-	 * Android then its meaning is inverted (i.e. holding aux1 means walk and
+	 * touch then its meaning is inverted (i.e. holding aux1 means walk and
 	 * not fast)
 	 */
 	if (m_cache_hold_aux1) {
@@ -1785,39 +1797,7 @@ void Game::updatePlayerControl(const CameraOrientation &cam)
 	}
 #endif
 
-	u32 keypress_bits = (
-			( (u32)(control.jump  & 0x1) << 4) |
-			( (u32)(control.aux1  & 0x1) << 5) |
-			( (u32)(control.sneak & 0x1) << 6) |
-			( (u32)(control.dig   & 0x1) << 7) |
-			( (u32)(control.place & 0x1) << 8) |
-			( (u32)(control.zoom  & 0x1) << 9)
-		);
-
-	// Set direction keys to ensure mod compatibility
-	if (control.movement_speed > 0.001f) {
-		float absolute_direction;
-
-		// Check in original orientation (absolute value indicates forward / backward)
-		absolute_direction = abs(control.movement_direction);
-		if (absolute_direction < (3.0f / 8.0f * M_PI))
-			keypress_bits |= (u32)(0x1 << 0); // Forward
-		if (absolute_direction > (5.0f / 8.0f * M_PI))
-			keypress_bits |= (u32)(0x1 << 1); // Backward
-
-		// Rotate entire coordinate system by 90 degrees (absolute value indicates left / right)
-		absolute_direction = control.movement_direction + M_PI_2;
-		if (absolute_direction >= M_PI)
-			absolute_direction -= 2 * M_PI;
-		absolute_direction = abs(absolute_direction);
-		if (absolute_direction < (3.0f / 8.0f * M_PI))
-			keypress_bits |= (u32)(0x1 << 2); // Left
-		if (absolute_direction > (5.0f / 8.0f * M_PI))
-			keypress_bits |= (u32)(0x1 << 3); // Right
-	}
-
 	client->setPlayerControl(control);
-	player->keyPressed = keypress_bits;
 
 	//tt.stop();
 }
@@ -2172,7 +2152,7 @@ void Game::handleClientEvent_SetMoon(ClientEvent *event, CameraOrientation *cam)
 void Game::handleClientEvent_SetStars(ClientEvent *event, CameraOrientation *cam)
 {
 	sky->setStarsVisible(event->star_params->visible);
-	sky->setStarCount(event->star_params->count, false);
+	sky->setStarCount(event->star_params->count);
 	sky->setStarColor(event->star_params->starcolor);
 	sky->setStarScale(event->star_params->scale);
 	delete event->star_params;
@@ -2209,7 +2189,7 @@ void Game::processClientEvents(CameraOrientation *cam)
 	}
 }
 
-void Game::updateChat(f32 dtime, const v2u32 &screensize)
+void Game::updateChat(f32 dtime)
 {
 	// Get new messages from error log buffer
 	while (!m_chat_log_buf.empty())
@@ -2225,11 +2205,17 @@ void Game::updateChat(f32 dtime, const v2u32 &screensize)
 	chat_backend->step(dtime);
 
 	// Display all messages in a static text element
-	m_game_ui->setChatText(chat_backend->getRecentChat(),
-		chat_backend->getRecentBuffer().getLineCount());
+	auto &buf = chat_backend->getRecentBuffer();
+	if (buf.getLinesModified()) {
+		buf.resetLinesModified();
+		m_game_ui->setChatText(chat_backend->getRecentChat(), buf.getLineCount());
+	}
+
+	// Make sure that the size is still correct
+	m_game_ui->updateChatSize();
 }
 
-void Game::updateCamera(u32 busy_time, f32 dtime)
+void Game::updateCamera(f32 dtime)
 {
 	LocalPlayer *player = client->getEnv().getLocalPlayer();
 
@@ -2259,7 +2245,7 @@ void Game::updateCamera(u32 busy_time, f32 dtime)
 	float tool_reload_ratio = runData.time_from_last_punch / full_punch_interval;
 
 	tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
-	camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio);
+	camera->update(player, dtime, tool_reload_ratio);
 	camera->step(dtime);
 
 	v3f camera_position = camera->getPosition();
@@ -2333,7 +2319,7 @@ void Game::updateSound(f32 dtime)
 }
 
 
-void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
+void Game::processPlayerInteraction(f32 dtime, bool show_hud)
 {
 	LocalPlayer *player = client->getEnv().getLocalPlayer();
 
@@ -2391,10 +2377,12 @@ void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
 			!runData.btn_down_for_dig,
 			camera_offset);
 
-	if (pointed != runData.pointed_old) {
+	if (pointed != runData.pointed_old)
 		infostream << "Pointing at " << pointed.dump() << std::endl;
-		hud->updateSelectionMesh(camera_offset);
-	}
+
+	// Note that updating the selection mesh every frame is not particularly efficient,
+	// but the halo rendering code is already inefficient so there's no point in optimizing it here
+	hud->updateSelectionMesh(camera_offset);
 
 	// Allow digging again if button is not pressed
 	if (runData.digging_blocked && !isKeyDown(KeyType::DIG))
@@ -2455,7 +2443,9 @@ void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
 		handlePointingAtNode(pointed, selected_item, hand_item, dtime);
 	} else if (pointed.type == POINTEDTHING_OBJECT) {
 		v3f player_position  = player->getPosition();
-		handlePointingAtObject(pointed, tool_item, player_position, show_debug);
+		bool basic_debug_allowed = client->checkPrivilege("debug") || (player->hud_flags & HUD_FLAG_BASIC_DEBUG);
+		handlePointingAtObject(pointed, tool_item, player_position,
+				m_game_ui->m_flags.show_basic_debug && basic_debug_allowed);
 	} else if (isKeyDown(KeyType::DIG)) {
 		// When button is held down in air, show continuous animation
 		runData.punching = true;
@@ -2614,9 +2604,8 @@ void Game::handlePointingAtNode(const PointedThing &pointed,
 	} else {
 		MapNode n = map.getNode(nodepos);
 
-		if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
-			m_game_ui->setInfoText(L"Unknown node: " +
-				utf8_to_wide(nodedef_manager->get(n).name));
+		if (nodedef_manager->get(n).name == "unknown") {
+			m_game_ui->setInfoText(L"Unknown node");
 		}
 	}
 
@@ -2904,7 +2893,8 @@ void Game::handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
 	// cheat detection.
 	// Get digging parameters
 	DigParams params = getDigParams(nodedef_manager->get(n).groups,
-			&selected_item.getToolCapabilities(itemdef_manager));
+			&selected_item.getToolCapabilities(itemdef_manager),
+			selected_item.wear);
 
 	// If can't dig, try hand
 	if (!params.diggable) {
@@ -3155,12 +3145,28 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 	}
 
 	/*
-		Get chat messages from client
+		Damage camera tilt
 	*/
+	if (player->hurt_tilt_timer > 0.0f) {
+		player->hurt_tilt_timer -= dtime * 6.0f;
 
-	v2u32 screensize = driver->getScreenSize();
+		if (player->hurt_tilt_timer < 0.0f || g_settings->getBool("no_hurt_cam"))
+			player->hurt_tilt_strength = 0.0f;
+	}
+
+	/*
+		Update minimap pos and rotation
+	*/
+	if (mapper && m_game_ui->m_flags.show_hud) {
+		mapper->setPos(floatToInt(player->getPosition(), BS));
+		mapper->setAngle(player->getYaw());
+	}
+
+	/*
+		Get chat messages from client
+	*/
 
-	updateChat(dtime, screensize);
+	updateChat(dtime);
 
 	/*
 		Inventory
@@ -3187,8 +3193,8 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 	v3f camera_direction = camera->getDirection();
 	if (runData.update_draw_list_timer >= update_draw_list_delta
 			|| runData.update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
-			|| m_camera_offset_changed) {
-
+			|| m_camera_offset_changed
+			|| client->getEnv().getClientMap().needsUpdateDrawList()) {
 		runData.update_draw_list_timer = 0;
 		client->getEnv().getClientMap().updateDrawList();
 		runData.update_draw_list_last_cam_dir = camera_direction;
@@ -3229,11 +3235,11 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 	} while (false);
 
 	/*
-		Drawing begins
+		==================== Drawing begins ====================
 	*/
-	const video::SColor &skycolor = sky->getSkyColor();
+	const video::SColor skycolor = sky->getSkyColor();
 
-	TimeTaker tt_draw("Draw scene");
+	TimeTaker tt_draw("Draw scene", nullptr, PRECISION_MICRO);
 	driver->beginScene(true, true, skycolor);
 
 	bool draw_wield_tool = (m_game_ui->m_flags.show_hud &&
@@ -3254,6 +3260,8 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 	/*
 		Profiler graph
 	*/
+	v2u32 screensize = driver->getScreenSize();
+
 	if (m_game_ui->m_flags.show_profiler_graph)
 		graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
 
@@ -3279,26 +3287,9 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 	}
 
 	/*
-		Damage camera tilt
-	*/
-	if (player->hurt_tilt_timer > 0.0f) {
-		player->hurt_tilt_timer -= dtime * 6.0f;
-
-		if (player->hurt_tilt_timer < 0.0f || g_settings->getBool("no_hurt_cam"))
-			player->hurt_tilt_strength = 0.0f;
-	}
-
-	/*
-		Update minimap pos and rotation
-	*/
-	if (mapper && m_game_ui->m_flags.show_hud) {
-		mapper->setPos(floatToInt(player->getPosition(), BS));
-		mapper->setAngle(player->getYaw());
-	}
-
-	/*
 		End scene
 	*/
+#if IRRLICHT_VERSION_MT_REVISION < 5
 	if (++m_reset_HW_buffer_counter > 500) {
 		/*
 		  Periodically remove all mesh HW buffers.
@@ -3320,11 +3311,13 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 		driver->removeAllHardwareBuffers();
 		m_reset_HW_buffer_counter = 0;
 	}
+#endif
+
 	driver->endScene();
 
 	stats->drawtime = tt_draw.stop(true);
-	g_profiler->avg("Game::updateFrame(): draw scene [ms]", stats->drawtime);
-	g_profiler->graphAdd("Update frame [ms]", tt_update.stop(true));
+	g_profiler->graphAdd("Draw scene [us]", stats->drawtime);
+	g_profiler->avg("Game::updateFrame(): update frame [ms]", tt_update.stop(true));
 }
 
 /* Log times and stuff for visualization */
@@ -3346,7 +3339,12 @@ void Game::updateShadows()
 
 	float in_timeofday = fmod(runData.time_of_day_smooth, 1.0f);
 
-	float timeoftheday = fmod(getWickedTimeOfDay(in_timeofday) + 0.75f, 0.5f) + 0.25f;
+	float timeoftheday = getWickedTimeOfDay(in_timeofday);
+	bool is_day = timeoftheday > 0.25 && timeoftheday < 0.75;
+	bool is_shadow_visible = is_day ? sky->getSunVisible() : sky->getMoonVisible();
+	shadow->setShadowIntensity(is_shadow_visible ? client->getEnv().getLocalPlayer()->getLighting().shadow_intensity : 0.0f);
+
+	timeoftheday = fmod(timeoftheday + 0.75f, 0.5f) + 0.25f;
 	const float offset_constant = 10000.0f;
 
 	v3f light(0.0f, 0.0f, -1.0f);
@@ -3368,47 +3366,46 @@ void Game::updateShadows()
  Misc
  ****************************************************************************/
 
-/* On some computers framerate doesn't seem to be automatically limited
- */
-inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
+void FpsControl::reset()
 {
-	// not using getRealTime is necessary for wine
-	device->getTimer()->tick(); // Maker sure device time is up-to-date
-	u32 time = device->getTimer()->getTime();
-	u32 last_time = fps_timings->last_time;
-
-	if (time > last_time)  // Make sure time hasn't overflowed
-		fps_timings->busy_time = time - last_time;
-	else
-		fps_timings->busy_time = 0;
+	last_time = porting::getTimeUs();
+}
 
-	u32 frametime_min = 1000 / (
+/*
+ * On some computers framerate doesn't seem to be automatically limited
+ */
+void FpsControl::limit(IrrlichtDevice *device, f32 *dtime)
+{
+	const u64 frametime_min = 1000000.0f / (
 		device->isWindowFocused() && !g_menumgr.pausesGame()
 			? g_settings->getFloat("fps_max")
 			: g_settings->getFloat("fps_max_unfocused"));
 
-	if (fps_timings->busy_time < frametime_min) {
-		fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
-		device->sleep(fps_timings->sleep_time);
+	u64 time = porting::getTimeUs();
+
+	if (time > last_time) // Make sure time hasn't overflowed
+		busy_time = time - last_time;
+	else
+		busy_time = 0;
+
+	if (busy_time < frametime_min) {
+		sleep_time = frametime_min - busy_time;
+		if (sleep_time > 1000)
+			sleep_ms(sleep_time / 1000);
 	} else {
-		fps_timings->sleep_time = 0;
+		sleep_time = 0;
 	}
 
-	/* Get the new value of the device timer. Note that device->sleep() may
-	 * not sleep for the entire requested time as sleep may be interrupted and
-	 * therefore it is arguably more accurate to get the new time from the
-	 * device rather than calculating it by adding sleep_time to time.
-	 */
-
-	device->getTimer()->tick(); // Update device timer
-	time = device->getTimer()->getTime();
+	// Read the timer again to accurately determine how long we actually slept,
+	// rather than calculating it by adding sleep_time to time.
+	time = porting::getTimeUs();
 
-	if (time > last_time)  // Make sure last_time hasn't overflowed
-		*dtime = (time - last_time) / 1000.0;
+	if (time > last_time) // Make sure last_time hasn't overflowed
+		*dtime = (time - last_time) / 1000000.0f;
 	else
 		*dtime = 0;
 
-	fps_timings->last_time = time;
+	last_time = time;
 }
 
 void Game::showOverlayMessage(const char *msg, float dtime, int percent, bool draw_clouds)
@@ -3522,7 +3519,7 @@ void Game::showDeathFormspec()
 #define GET_KEY_NAME(KEY) gettext(getKeySetting(#KEY).name())
 void Game::showPauseMenu()
 {
-#ifdef __ANDROID__
+#ifdef HAVE_TOUCHSCREENGUI
 	static const std::string control_text = strgettext("Default Controls:\n"
 		"No menu visible:\n"
 		"- single tap: button activate\n"
@@ -3630,16 +3627,18 @@ void Game::showPauseMenu()
 	if (simple_singleplayer_mode || address.empty()) {
 		static const std::string on = strgettext("On");
 		static const std::string off = strgettext("Off");
-		const std::string &damage = g_settings->getBool("enable_damage") ? on : off;
-		const std::string &creative = g_settings->getBool("creative_mode") ? on : off;
+		// Note: Status of enable_damage and creative_mode settings is intentionally
+		// NOT shown here because the game might roll its own damage system and/or do
+		// a per-player Creative Mode, in which case writing it here would mislead.
+		bool damage = g_settings->getBool("enable_damage");
 		const std::string &announced = g_settings->getBool("server_announce") ? on : off;
-		os << strgettext("- Damage: ") << damage << "\n"
-				<< strgettext("- Creative Mode: ") << creative << "\n";
 		if (!simple_singleplayer_mode) {
-			const std::string &pvp = g_settings->getBool("enable_pvp") ? on : off;
-			//~ PvP = Player versus Player
-			os << strgettext("- PvP: ") << pvp << "\n"
-					<< strgettext("- Public: ") << announced << "\n";
+			if (damage) {
+				const std::string &pvp = g_settings->getBool("enable_pvp") ? on : off;
+				//~ PvP = Player versus Player
+				os << strgettext("- PvP: ") << pvp << "\n";
+			}
+			os << strgettext("- Public: ") << announced << "\n";
 			std::string server_name = g_settings->get("server_name");
 			str_formspec_escape(server_name);
 			if (announced == on && !server_name.empty())
@@ -3698,14 +3697,15 @@ void the_game(bool *kill,
 		}
 
 	} catch (SerializationError &e) {
-		error_message = std::string("A serialization error occurred:\n")
-				+ e.what() + "\n\nThe server is probably "
-				" running a different version of " PROJECT_NAME_C ".";
+		const std::string ver_err = fmtgettext("The server is probably running a different version of %s.", PROJECT_NAME_C);
+		error_message = strgettext("A serialization error occurred:") +"\n"
+				+ e.what() + "\n\n" + ver_err;
 		errorstream << error_message << std::endl;
 	} catch (ServerError &e) {
 		error_message = e.what();
 		errorstream << "ServerError: " << error_message << std::endl;
 	} catch (ModError &e) {
+		// DO NOT TRANSLATE the `ModError`, it's used by ui.lua
 		error_message = std::string("ModError: ") + e.what() +
 				strgettext("\nCheck debug.txt for details.");
 		errorstream << error_message << std::endl;
diff --git a/src/client/game.h b/src/client/game.h
index cb40d4890..0e5d0550d 100644
--- a/src/client/game.h
+++ b/src/client/game.h
@@ -86,7 +86,7 @@ struct Jitter {
 };
 
 struct RunStats {
-	u32 drawtime;
+	u64 drawtime; // (us)
 
 	Jitter dtime_jitter, busy_time_jitter;
 };
@@ -584,7 +584,7 @@ public:
 	}
 };
 
-#ifdef __ANDROID__
+#ifdef HAVE_TOUCHSCREENGUI
 #define SIZE_TAG "size[11,5.5]"
 #else
 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
@@ -596,7 +596,16 @@ public:
 const float object_hit_delay = 0.2;
 
 struct FpsControl {
-	u32 last_time, busy_time, sleep_time;
+	FpsControl() : last_time(0), busy_time(0), sleep_time(0) {}
+
+	void reset();
+
+	void limit(IrrlichtDevice *device, f32 *dtime);
+
+	u32 getBusyMs() const { return busy_time / 1000; }
+
+	// all values in microseconds (us)
+	u64 last_time, busy_time, sleep_time;
 };
 
 
@@ -726,9 +735,9 @@ public:
 	void updatePlayerControl(const CameraOrientation &cam);
 	void step(f32 *dtime);
 	void processClientEvents(CameraOrientation *cam);
-	void updateCamera(u32 busy_time, f32 dtime);
+	void updateCamera(f32 dtime);
 	void updateSound(f32 dtime);
-	void processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug);
+	void processPlayerInteraction(f32 dtime, bool show_hud);
 	/*!
 	 * Returns the object or node the player is pointing at.
 	 * Also updates the selected thing in the Hud.
@@ -757,8 +766,6 @@ public:
 	void updateShadows();
 
 	// Misc
-	void limitFps(FpsControl *fps_timings, f32 *dtime);
-
 	void showOverlayMessage(const char *msg, float dtime, int percent,
 			bool draw_clouds = true);
 
@@ -807,7 +814,7 @@ public:
 		CameraOrientation *cam);
 	void handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam);
 
-	void updateChat(f32 dtime, const v2u32 &screensize);
+	void updateChat(f32 dtime);
 
 	bool nodePlacement(const ItemDefinition &selected_def, const ItemStack &selected_item,
 		const v3s16 &nodepos, const v3s16 &neighbourpos, const PointedThing &pointed,
@@ -904,12 +911,17 @@ public:
 
 	bool m_does_lost_focus_pause_game = false;
 
-	CameraOrientation cam_view_target  = { 0 };
-	CameraOrientation cam_view  = { 0 };
+	CameraOrientation cam_view_target = {}; // added by dragonfireclient
+	CameraOrientation cam_view  = {};       // added by dragonfireclient
 
+#if IRRLICHT_VERSION_MT_REVISION < 5
 	int m_reset_HW_buffer_counter = 0;
-#ifdef __ANDROID__
+#endif
+
+#ifdef HAVE_TOUCHSCREENGUI
 	bool m_cache_hold_aux1;
+#endif
+#ifdef __ANDROID__
 	bool m_android_chat_open;
 #endif
 };
diff --git a/src/client/gameui.cpp b/src/client/gameui.cpp
index 66a006ea1..54be24ae2 100644
--- a/src/client/gameui.cpp
+++ b/src/client/gameui.cpp
@@ -124,16 +124,16 @@ void GameUI::update(const RunStats &stats, Client *client, MapDrawControl *draw_
 
 	// Minimal debug text must only contain info that can't give a gameplay advantage
 	if (m_flags.show_minimal_debug) {
-		static float drawtime_avg = 0;
-		drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
-		u16 fps = 1.0 / stats.dtime_jitter.avg;
+		const u16 fps = 1.0 / stats.dtime_jitter.avg;
+		m_drawtime_avg *= 0.95f;
+		m_drawtime_avg += 0.05f * (stats.drawtime / 1000);
 
 		std::ostringstream os(std::ios_base::binary);
 		os << std::fixed
 			<< PROJECT_NAME_C " " << g_version_hash
 			<< " | FPS: " << fps
 			<< std::setprecision(0)
-			<< " | drawtime: " << drawtime_avg << "ms"
+			<< " | drawtime: " << m_drawtime_avg << "ms"
 			<< std::setprecision(1)
 			<< " | dtime jitter: "
 			<< (stats.dtime_jitter.max_fraction * 100.0) << "%"
@@ -171,9 +171,13 @@ void GameUI::update(const RunStats &stats, Client *client, MapDrawControl *draw_
 			const NodeDefManager *nodedef = client->getNodeDefManager();
 			MapNode n = map.getNode(pointed_old.node_undersurface);
 
-			if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
-				os << ", pointed: " << nodedef->get(n).name
-					<< ", param2: " << (u64) n.getParam2();
+			if (n.getContent() != CONTENT_IGNORE) {
+				if (nodedef->get(n).name == "unknown") {
+					os << ", pointed: <unknown node>";
+				} else {
+					os << ", pointed: " << nodedef->get(n).name;
+				}
+				os << ", param2: " << (u64) n.getParam2();
 			}
 		}
 
@@ -229,7 +233,6 @@ void GameUI::initFlags()
 {
 	m_flags = GameUI::Flags();
 	m_flags.show_minimal_debug = g_settings->getBool("show_debug");
-	m_flags.show_basic_debug = false;
 }
 
 void GameUI::showMinimap(bool show)
@@ -246,7 +249,13 @@ void GameUI::showTranslatedStatusText(const char *str)
 
 void GameUI::setChatText(const EnrichedString &chat_text, u32 recent_chat_count)
 {
+	setStaticText(m_guitext_chat, chat_text);
 
+	m_recent_chat_count = recent_chat_count;
+}
+
+void GameUI::updateChatSize()
+{
 	// Update gui element size and position
 
 	const v2u32 &window_size = RenderingEngine::getWindowSize();
@@ -258,15 +267,15 @@ void GameUI::setChatText(const EnrichedString &chat_text, u32 recent_chat_count)
 	if (m_flags.show_basic_debug)
 		chat_y += g_fontengine->getLineHeight();
 
-	core::rect<s32> chat_size(10, chat_y,
-		window_size.X - 20, 0);
+	core::rect<s32> chat_size(10, chat_y, window_size.X - 20, 0);
 	chat_size.LowerRightCorner.Y = std::min((s32)window_size.Y,
-		m_guitext_chat->getTextHeight() + chat_y);
+			m_guitext_chat->getTextHeight() + chat_y);
 
-	m_guitext_chat->setRelativePosition(chat_size);
-	setStaticText(m_guitext_chat, chat_text);
+	if (chat_size == m_current_chat_size)
+		return;
+	m_current_chat_size = chat_size;
 
-	m_recent_chat_count = recent_chat_count;
+	m_guitext_chat->setRelativePosition(chat_size);
 }
 
 void GameUI::updateProfiler()
diff --git a/src/client/gameui.h b/src/client/gameui.h
index 5404643e2..e22be068b 100644
--- a/src/client/gameui.h
+++ b/src/client/gameui.h
@@ -85,11 +85,12 @@ public:
 	void showTranslatedStatusText(const char *str);
 	inline void clearStatusText() { m_statustext.clear(); }
 
-	const bool isChatVisible()
+	bool isChatVisible()
 	{
 		return m_flags.show_chat && m_recent_chat_count != 0 && m_profiler_current_page == 0;
 	}
 	void setChatText(const EnrichedString &chat_text, u32 recent_chat_count);
+	void updateChatSize();
 
 	void updateProfiler();
 
@@ -111,6 +112,8 @@ public:
 private:
 	Flags m_flags;
 
+	float m_drawtime_avg = 0;
+
 	gui::IGUIStaticText *m_guitext = nullptr;  // First line of debug text
 	gui::IGUIStaticText *m_guitext2 = nullptr; // Second line of debug text
 	gui::IGUIStaticText *m_guitext_coords = nullptr;
@@ -125,6 +128,7 @@ private:
 
 	gui::IGUIStaticText *m_guitext_chat = nullptr; // Chat text
 	u32 m_recent_chat_count = 0;
+	core::rect<s32> m_current_chat_size{0, 0, 0, 0};
 
 	gui::IGUIStaticText *m_guitext_profiler = nullptr; // Profiler text
 	u8 m_profiler_current_page = 0;
diff --git a/src/client/guiscalingfilter.cpp b/src/client/guiscalingfilter.cpp
index 232219237..de122becf 100644
--- a/src/client/guiscalingfilter.cpp
+++ b/src/client/guiscalingfilter.cpp
@@ -43,6 +43,10 @@ void guiScalingCache(const io::path &key, video::IVideoDriver *driver, video::II
 {
 	if (!g_settings->getBool("gui_scaling_filter"))
 		return;
+
+	if (g_imgCache.find(key) != g_imgCache.end())
+		return; // Already cached.
+
 	video::IImage *copied = driver->createImage(value->getColorFormat(),
 			value->getDimension());
 	value->copyTo(copied);
@@ -90,14 +94,16 @@ video::ITexture *guiScalingResizeCached(video::IVideoDriver *driver,
 	io::path scalename = origname + "@guiScalingFilter:" + rectstr;
 
 	// Search for existing scaled texture.
-	video::ITexture *scaled = g_txrCache[scalename];
+	auto it_txr = g_txrCache.find(scalename);
+	video::ITexture *scaled = (it_txr != g_txrCache.end()) ? it_txr->second : nullptr;
 	if (scaled)
 		return scaled;
 
 	// Try to find the texture converted to an image in the cache.
 	// If the image was not found, try to extract it from the texture.
-	video::IImage* srcimg = g_imgCache[origname];
-	if (srcimg == NULL) {
+	auto it_img = g_imgCache.find(origname);
+	video::IImage *srcimg = (it_img != g_imgCache.end()) ? it_img->second : nullptr;
+	if (!srcimg) {
 		if (!g_settings->getBool("gui_scaling_filter_txr2img"))
 			return src;
 		srcimg = driver->createImageFromData(src->getColorFormat(),
diff --git a/src/client/hud.cpp b/src/client/hud.cpp
index 3f687b698..d5debecfb 100644
--- a/src/client/hud.cpp
+++ b/src/client/hud.cpp
@@ -20,6 +20,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "client/hud.h"
+#include <string>
+#include <iostream>
 #include <cmath>
 #include "settings.h"
 #include "util/numeric.h"
@@ -222,6 +224,7 @@ void Hud::drawItem(const ItemStack &item, const core::rect<s32>& rect,
 }
 
 //NOTE: selectitem = 0 -> no selected; selectitem 1-based
+// mainlist can be NULL, but draw the frame anyway.
 void Hud::drawItems(v2s32 upperleftpos, v2s32 screen_offset, s32 itemcount,
 		s32 inv_offset, InventoryList *mainlist, u16 selectitem, u16 direction)
 {
@@ -269,7 +272,8 @@ void Hud::drawItems(v2s32 upperleftpos, v2s32 screen_offset, s32 itemcount,
 
 	// Draw items
 	core::rect<s32> imgrect(0, 0, m_hotbar_imagesize, m_hotbar_imagesize);
-	for (s32 i = inv_offset; i < itemcount && (size_t)i < mainlist->getSize(); i++) {
+	const s32 list_size = mainlist ? mainlist->getSize() : 0;
+	for (s32 i = inv_offset; i < itemcount && i < list_size; i++) {
 		s32 fullimglen = m_hotbar_imagesize + m_padding * 2;
 
 		v2s32 steppos;
@@ -377,15 +381,19 @@ void Hud::drawLuaElements(const v3s16 &camera_offset)
 				std::wstring text = unescape_translate(utf8_to_wide(e->text));
 				core::dimension2d<u32> textsize = textfont->getDimension(text.c_str());
 
-				v2s32 offset((e->align.X - 1.0) * (textsize.Width / 2),
-				             (e->align.Y - 1.0) * (textsize.Height / 2));
+				v2s32 offset(0, (e->align.Y - 1.0) * (textsize.Height / 2));
 				core::rect<s32> size(0, 0, e->scale.X * m_scale_factor,
-				                     text_height * e->scale.Y * m_scale_factor);
+						text_height * e->scale.Y * m_scale_factor);
 				v2s32 offs(e->offset.X * m_scale_factor,
-				           e->offset.Y * m_scale_factor);
-
+						e->offset.Y * m_scale_factor);
+				std::wstringstream wss(text);
+				std::wstring line;
+				while (std::getline(wss, line, L'\n'))
 				{
-					textfont->draw(text.c_str(), size + pos + offset + offs, color);
+					core::dimension2d<u32> linesize = textfont->getDimension(line.c_str());
+					v2s32 line_offset((e->align.X - 1.0) * (linesize.Width / 2), 0);
+					textfont->draw(line.c_str(), size + pos + offset + offs + line_offset, color);
+					offset.Y += linesize.Height;
 				}
 				break; }
 			case HUD_ELEM_STATBAR: {
@@ -395,6 +403,8 @@ void Hud::drawLuaElements(const v3s16 &camera_offset)
 				break; }
 			case HUD_ELEM_INVENTORY: {
 				InventoryList *inv = inventory->getList(e->text);
+				if (!inv)
+					warningstream << "HUD: Unknown inventory list. name=" << e->text << std::endl;
 				drawItems(pos, v2s32(e->offset.X, e->offset.Y), e->number, 0,
 					inv, e->item, e->dir);
 				break; }
@@ -666,7 +676,7 @@ void Hud::drawStatbar(v2s32 pos, u16 corner, u16 drawdir,
 	// Rectangles for 1/2 the "off state" texture
 	core::rect<s32> srchalfrect2, dsthalfrect2;
 
-	if (count % 2 == 1) {
+	if (count % 2 == 1 || maxcount % 2 == 1) {
 		// Need to draw halves: Calculate rectangles
 		srchalfrect  = calculate_clipping_rect(srcd, steppos);
 		dsthalfrect  = calculate_clipping_rect(dstd, steppos);
@@ -701,7 +711,7 @@ void Hud::drawStatbar(v2s32 pos, u16 corner, u16 drawdir,
 		}
 	}
 
-	if (stat_texture_bg && maxcount > count / 2) {
+	if (stat_texture_bg && maxcount > count) {
 		// Draw "off state" textures
 		s32 start_offset;
 		if (count % 2 == 1)
@@ -721,8 +731,7 @@ void Hud::drawStatbar(v2s32 pos, u16 corner, u16 drawdir,
 
 		if (maxcount % 2 == 1) {
 			draw2DImageFilterScaled(driver, stat_texture_bg,
-					dsthalfrect + p, srchalfrect,
-					NULL, colors, true);
+				dsthalfrect + p, srchalfrect, NULL, colors, true);
 		}
 	}
 }
@@ -1001,11 +1010,19 @@ void drawItemStack(
 
 	bool draw_overlay = false;
 
+	bool has_mesh = false;
+	ItemMesh *imesh;
+
+	core::rect<s32> viewrect = rect;
+	if (clip != nullptr)
+		viewrect.clipAgainst(*clip);
+
 	// Render as mesh if animated or no inventory image
 	if ((enable_animations && rotation_kind < IT_ROT_NONE) || def.inventory_image.empty()) {
-		ItemMesh *imesh = client->idef()->getWieldMesh(def.name, client);
-		if (!imesh || !imesh->mesh)
-			return;
+		imesh = client->idef()->getWieldMesh(def.name, client);
+		has_mesh = imesh && imesh->mesh;
+	}
+	if (has_mesh) {
 		scene::IMesh *mesh = imesh->mesh;
 		driver->clearBuffers(video::ECBF_DEPTH);
 		s32 delta = 0;
@@ -1021,9 +1038,6 @@ void drawItemStack(
 		core::rect<s32> oldViewPort = driver->getViewPort();
 		core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
 		core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
-		core::rect<s32> viewrect = rect;
-		if (clip)
-			viewrect.clipAgainst(*clip);
 
 		core::matrix4 ProjMatrix;
 		ProjMatrix.buildProjectionMatrixOrthoLH(2.0f, 2.0f, -1.0f, 100.0f);
@@ -1097,10 +1111,17 @@ void drawItemStack(
 		draw_overlay = def.type == ITEM_NODE && def.inventory_image.empty();
 	} else { // Otherwise just draw as 2D
 		video::ITexture *texture = client->idef()->getInventoryTexture(def.name, client);
-		if (!texture)
-			return;
-		video::SColor color =
-			client->idef()->getItemstackColor(item, client);
+		video::SColor color;
+		if (texture) {
+			color = client->idef()->getItemstackColor(item, client);
+		} else {
+			color = video::SColor(255, 255, 255, 255);
+			ITextureSource *tsrc = client->getTextureSource();
+			texture = tsrc->getTexture("no_texture.png");
+			if (!texture)
+				return;
+		}
+
 		const video::SColor colors[] = { color, color, color, color };
 
 		draw2DImageFilterScaled(driver, texture, rect,
@@ -1160,24 +1181,68 @@ void drawItemStack(
 		driver->draw2DRectangle(color, progressrect2, clip);
 	}
 
-	if (font != NULL && item.count >= 2) {
+	const std::string &count_text = item.metadata.getString("count_meta");
+	if (font != nullptr && (item.count >= 2 || !count_text.empty())) {
 		// Get the item count as a string
-		std::string text = itos(item.count);
-		v2u32 dim = font->getDimension(utf8_to_wide(text).c_str());
+		std::string text = count_text.empty() ? itos(item.count) : count_text;
+		v2u32 dim = font->getDimension(utf8_to_wide(unescape_enriched(text)).c_str());
 		v2s32 sdim(dim.X, dim.Y);
 
 		core::rect<s32> rect2(
-			/*rect.UpperLeftCorner,
-			core::dimension2d<u32>(rect.getWidth(), 15)*/
 			rect.LowerRightCorner - sdim,
-			sdim
+			rect.LowerRightCorner
 		);
 
-		video::SColor bgcolor(128, 0, 0, 0);
-		driver->draw2DRectangle(bgcolor, rect2, clip);
+		// get the count alignment
+		s32 count_alignment = stoi(item.metadata.getString("count_alignment"));
+		if (count_alignment != 0) {
+			s32 a_x = count_alignment & 3;
+			s32 a_y = (count_alignment >> 2) & 3;
+
+			s32 x1, x2, y1, y2;
+			switch (a_x) {
+			case 1: // left
+				x1 = rect.UpperLeftCorner.X;
+				x2 = x1 + sdim.X;
+				break;
+			case 2: // middle
+				x1 = (rect.UpperLeftCorner.X + rect.LowerRightCorner.X - sdim.X) / 2;
+				x2 = x1 + sdim.X;
+				break;
+			case 3: // right
+				x2 = rect.LowerRightCorner.X;
+				x1 = x2 - sdim.X;
+				break;
+			default: // 0 = default
+				x1 = rect2.UpperLeftCorner.X;
+				x2 = rect2.LowerRightCorner.X;
+				break;
+			}
+
+			switch (a_y) {
+			case 1: // up
+				y1 = rect.UpperLeftCorner.Y;
+				y2 = y1 + sdim.Y;
+				break;
+			case 2: // middle
+				y1 = (rect.UpperLeftCorner.Y + rect.LowerRightCorner.Y - sdim.Y) / 2;
+				y2 = y1 + sdim.Y;
+				break;
+			case 3: // down
+				y2 = rect.LowerRightCorner.Y;
+				y1 = y2 - sdim.Y;
+				break;
+			default: // 0 = default
+				y1 = rect2.UpperLeftCorner.Y;
+				y2 = rect2.LowerRightCorner.Y;
+				break;
+			}
+
+			rect2 = core::rect<s32>(x1, y1, x2, y2);
+		}
 
 		video::SColor color(255, 255, 255, 255);
-		font->draw(text.c_str(), rect2, color, false, false, clip);
+		font->draw(utf8_to_wide(text).c_str(), rect2, color, false, false, &viewrect);
 	}
 }
 
diff --git a/src/client/imagefilters.cpp b/src/client/imagefilters.cpp
index 97ad094e5..c9d1504ad 100644
--- a/src/client/imagefilters.cpp
+++ b/src/client/imagefilters.cpp
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <cmath>
 #include <cassert>
 #include <vector>
+#include <algorithm>
 
 // Simple 2D bitmap class with just the functionality needed here
 class Bitmap {
@@ -123,7 +124,7 @@ void imageCleanTransparent(video::IImage *src, u32 threshold)
 			// Ignore pixels we haven't processed
 			if (!bitmap.get(sx, sy))
 				continue;
-	
+
 			// Add RGB values weighted by alpha IF the pixel is opaque, otherwise
 			// use full weight since we want to propagate colors.
 			video::SColor d = src->getPixel(sx, sy);
diff --git a/src/client/inputhandler.h b/src/client/inputhandler.h
index 951ec8884..47a61d4b8 100644
--- a/src/client/inputhandler.h
+++ b/src/client/inputhandler.h
@@ -153,8 +153,14 @@ public:
 	// in the subsequent iteration of Game::processPlayerInteraction
 	bool WasKeyReleased(const KeyPress &keycode) const { return keyWasReleased[keycode]; }
 
-	void listenForKey(const KeyPress &keyCode) { keysListenedFor.set(keyCode); }
-	void dontListenForKeys() { keysListenedFor.clear(); }
+	void listenForKey(const KeyPress &keyCode)
+	{
+		keysListenedFor.set(keyCode);
+	}
+	void dontListenForKeys()
+	{
+		keysListenedFor.clear();
+	}
 
 	s32 getMouseWheel()
 	{
@@ -190,14 +196,14 @@ public:
 #endif
 	}
 
-	s32 mouse_wheel = 0;
-
 	JoystickController *joystick = nullptr;
 
 #ifdef HAVE_TOUCHSCREENGUI
 	TouchScreenGUI *m_touchscreengui;
 #endif
 
+	s32 mouse_wheel = 0;
+
 	// The current state of keys
 	KeyList keyIsDown;
 
@@ -274,6 +280,12 @@ public:
 	{
 		m_receiver->joystick = &joystick;
 	}
+
+	virtual ~RealInputHandler()
+	{
+		m_receiver->joystick = nullptr;
+	}
+
 	virtual bool isKeyDown(GameKeyType k)
 	{
 		return m_receiver->IsKeyDown(keycache.key[k]) || joystick.isKeyDown(k);
@@ -299,6 +311,7 @@ public:
 	{
 		return m_receiver->WasKeyReleased(keycache.key[k]) || joystick.wasKeyReleased(k);
 	}
+
 	virtual float getMovementSpeed()
 	{
 		bool f = m_receiver->IsKeyDown(keycache.key[KeyType::FORWARD]),
@@ -318,6 +331,7 @@ public:
 		}
 		return joystick.getMovementSpeed();
 	}
+
 	virtual float getMovementDirection()
 	{
 		float x = 0, z = 0;
@@ -337,10 +351,12 @@ public:
 		else
 			return joystick.getMovementDirection();
 	}
+
 	virtual bool cancelPressed()
 	{
 		return wasKeyDown(KeyType::ESC) || m_receiver->WasKeyDown(CancelKey);
 	}
+
 	virtual void clearWasKeyPressed()
 	{
 		m_receiver->clearWasKeyPressed();
@@ -349,17 +365,21 @@ public:
 	{
 		m_receiver->clearWasKeyReleased();
 	}
+
 	virtual void listenForKey(const KeyPress &keyCode)
 	{
 		m_receiver->listenForKey(keyCode);
 	}
-	virtual void dontListenForKeys() { m_receiver->dontListenForKeys(); }
+	virtual void dontListenForKeys()
+	{
+		m_receiver->dontListenForKeys();
+	}
+
 	virtual v2s32 getMousePos()
 	{
-		if (RenderingEngine::get_raw_device()->getCursorControl()) {
-			return RenderingEngine::get_raw_device()
-					->getCursorControl()
-					->getPosition();
+		auto control = RenderingEngine::get_raw_device()->getCursorControl();
+		if (control) {
+			return control->getPosition();
 		}
 
 		return m_mousepos;
@@ -367,16 +387,18 @@ public:
 
 	virtual void setMousePos(s32 x, s32 y)
 	{
-		if (RenderingEngine::get_raw_device()->getCursorControl()) {
-			RenderingEngine::get_raw_device()
-					->getCursorControl()
-					->setPosition(x, y);
+		auto control = RenderingEngine::get_raw_device()->getCursorControl();
+		if (control) {
+			control->setPosition(x, y);
 		} else {
 			m_mousepos = v2s32(x, y);
 		}
 	}
 
-	virtual s32 getMouseWheel() { return m_receiver->getMouseWheel(); }
+	virtual s32 getMouseWheel()
+	{
+		return m_receiver->getMouseWheel();
+	}
 
 	void clear()
 	{
@@ -384,7 +406,7 @@ public:
 		m_receiver->clearInput();
 	}
 
-	private:
+private:
 	MyEventReceiver *m_receiver = nullptr;
 	v2s32 m_mousepos;
 };
diff --git a/src/client/joystick_controller.cpp b/src/client/joystick_controller.cpp
index 630565d8d..aae73c62d 100644
--- a/src/client/joystick_controller.cpp
+++ b/src/client/joystick_controller.cpp
@@ -154,6 +154,54 @@ JoystickLayout create_xbox_layout()
 	return jlo;
 }
 
+JoystickLayout create_dragonrise_gamecube_layout()
+{
+	JoystickLayout jlo;
+
+	jlo.axes_deadzone = 7000;
+
+	const JoystickAxisLayout axes[JA_COUNT] = {
+		// Control Stick
+		{0, 1}, // JA_SIDEWARD_MOVE
+		{1, 1}, // JA_FORWARD_MOVE
+
+		// C-Stick
+		{3, 1}, // JA_FRUSTUM_HORIZONTAL
+		{4, 1}, // JA_FRUSTUM_VERTICAL
+	};
+	memcpy(jlo.axes, axes, sizeof(jlo.axes));
+
+	// The center button
+	JLO_B_PB(KeyType::ESC, 1 << 9, 1 << 9); // Start/Pause Button
+
+	// Front right buttons
+	JLO_B_PB(KeyType::JUMP,  1 << 2, 1 << 2); // A Button
+	JLO_B_PB(KeyType::SNEAK, 1 << 3, 1 << 3); // B Button
+	JLO_B_PB(KeyType::DROP,  1 << 0, 1 << 0); // Y Button
+	JLO_B_PB(KeyType::AUX1,  1 << 1, 1 << 1); // X Button
+
+	// Triggers
+	JLO_B_PB(KeyType::DIG,       1 << 4, 1 << 4); // L Trigger
+	JLO_B_PB(KeyType::PLACE,     1 << 5, 1 << 5); // R Trigger
+	JLO_B_PB(KeyType::INVENTORY, 1 << 6, 1 << 6); // Z Button
+
+	// D-Pad
+	JLO_A_PB(KeyType::HOTBAR_PREV, 5,  1, jlo.axes_deadzone); // left
+	JLO_A_PB(KeyType::HOTBAR_NEXT, 5, -1, jlo.axes_deadzone); // right
+	// Axis are hard to actuate independantly, best to leave up and down unused.
+	//JLO_A_PB(0, 6,  1, jlo.axes_deadzone); // up
+	//JLO_A_PB(0, 6, -1, jlo.axes_deadzone); // down
+
+	// Movements tied to Control Stick, important for vessels
+	JLO_A_PB(KeyType::LEFT,     0,  1, jlo.axes_deadzone);
+	JLO_A_PB(KeyType::RIGHT,    0, -1, jlo.axes_deadzone);
+	JLO_A_PB(KeyType::FORWARD,  1,  1, jlo.axes_deadzone);
+	JLO_A_PB(KeyType::BACKWARD, 1, -1, jlo.axes_deadzone);
+
+	return jlo;
+}
+
+
 JoystickController::JoystickController() :
 		doubling_dtime(g_settings->getFloat("repeat_joystick_button_time"))
 {
@@ -188,6 +236,8 @@ void JoystickController::setLayoutFromControllerName(const std::string &name)
 {
 	if (lowercase(name).find("xbox") != std::string::npos) {
 		m_layout = create_xbox_layout();
+	} else if (lowercase(name).find("dragonrise_gamecube") != std::string::npos) {
+		m_layout = create_dragonrise_gamecube_layout();
 	} else {
 		m_layout = create_default_layout();
 	}
diff --git a/src/client/localplayer.cpp b/src/client/localplayer.cpp
index ca61f3a11..c4d9b9845 100644
--- a/src/client/localplayer.cpp
+++ b/src/client/localplayer.cpp
@@ -232,8 +232,9 @@ void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
 		pp = floatToInt(position + v3f(0.0f, BS * 0.1f, 0.0f), BS);
 		node = map->getNode(pp, &is_valid_position);
 		if (is_valid_position) {
-			in_liquid = nodemgr->get(node.getContent()).isLiquid();
-			liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
+			const ContentFeatures &cf = nodemgr->get(node.getContent());
+			in_liquid = cf.liquid_move_physics;
+			move_resistance = cf.move_resistance;
 		} else {
 			in_liquid = false;
 		}
@@ -243,8 +244,9 @@ void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
 		pp = floatToInt(position + v3f(0.0f, BS * 0.5f, 0.0f), BS);
 		node = map->getNode(pp, &is_valid_position);
 		if (is_valid_position) {
-			in_liquid = nodemgr->get(node.getContent()).isLiquid();
-			liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
+			const ContentFeatures &cf = nodemgr->get(node.getContent());
+			in_liquid = cf.liquid_move_physics;
+			move_resistance = cf.move_resistance;
 		} else {
 			in_liquid = false;
 		}
@@ -257,7 +259,7 @@ void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
 	pp = floatToInt(position + v3f(0.0f), BS);
 	node = map->getNode(pp, &is_valid_position);
 	if (is_valid_position) {
-		in_liquid_stable = nodemgr->get(node.getContent()).isLiquid();
+		in_liquid_stable = nodemgr->get(node.getContent()).liquid_move_physics;
 	} else {
 		in_liquid_stable = false;
 	}
@@ -694,19 +696,21 @@ v3s16 LocalPlayer::getStandingNodePos()
 
 v3s16 LocalPlayer::getFootstepNodePos()
 {
+	v3f feet_pos = getPosition() + v3f(0.0f, m_collisionbox.MinEdge.Y, 0.0f);
+
 	// Emit swimming sound if the player is in liquid
 	if (in_liquid_stable)
-		return floatToInt(getPosition(), BS);
+		return floatToInt(feet_pos, BS);
 
 	// BS * 0.05 below the player's feet ensures a 1/16th height
 	// nodebox is detected instead of the node below it.
 	if (touching_ground)
-		return floatToInt(getPosition() - v3f(0.0f, BS * 0.05f, 0.0f), BS);
+		return floatToInt(feet_pos - v3f(0.0f, BS * 0.05f, 0.0f), BS);
 
 	// A larger distance below is necessary for a footstep sound
 	// when landing after a jump or fall. BS * 0.5 ensures water
 	// sounds when swimming in 1 node deep water.
-	return floatToInt(getPosition() - v3f(0.0f, BS * 0.5f, 0.0f), BS);
+	return floatToInt(feet_pos - v3f(0.0f, BS * 0.5f, 0.0f), BS);
 }
 
 v3s16 LocalPlayer::getLightPosition() const
@@ -846,8 +850,9 @@ void LocalPlayer::old_move(f32 dtime, Environment *env, f32 pos_max_d,
 		pp = floatToInt(position + v3f(0.0f, BS * 0.1f, 0.0f), BS);
 		node = map->getNode(pp, &is_valid_position);
 		if (is_valid_position) {
-			in_liquid = nodemgr->get(node.getContent()).isLiquid();
-			liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
+			const ContentFeatures &cf = nodemgr->get(node.getContent());
+			in_liquid = cf.liquid_move_physics;
+			move_resistance = cf.move_resistance;
 		} else {
 			in_liquid = false;
 		}
@@ -856,8 +861,9 @@ void LocalPlayer::old_move(f32 dtime, Environment *env, f32 pos_max_d,
 		pp = floatToInt(position + v3f(0.0f, BS * 0.5f, 0.0f), BS);
 		node = map->getNode(pp, &is_valid_position);
 		if (is_valid_position) {
-			in_liquid = nodemgr->get(node.getContent()).isLiquid();
-			liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
+			const ContentFeatures &cf = nodemgr->get(node.getContent());
+			in_liquid = cf.liquid_move_physics;
+			move_resistance = cf.move_resistance;
 		} else {
 			in_liquid = false;
 		}
@@ -869,7 +875,7 @@ void LocalPlayer::old_move(f32 dtime, Environment *env, f32 pos_max_d,
 	pp = floatToInt(position + v3f(0.0f), BS);
 	node = map->getNode(pp, &is_valid_position);
 	if (is_valid_position)
-		in_liquid_stable = nodemgr->get(node.getContent()).isLiquid();
+		in_liquid_stable = nodemgr->get(node.getContent()).liquid_move_physics;
 	else
 		in_liquid_stable = false;
 
@@ -1138,10 +1144,8 @@ void LocalPlayer::handleAutojump(f32 dtime, Environment *env,
 	if (m_autojump)
 		return;
 
-	bool control_forward = keyPressed & (1 << 0);
-
 	bool could_autojump =
-		m_can_jump && !control.jump && !control.sneak && control_forward;
+		m_can_jump && !control.jump && !control.sneak && control.isMoving();
 
 	if (!could_autojump)
 		return;
diff --git a/src/client/localplayer.h b/src/client/localplayer.h
index eaac216d3..ebc67c4f8 100644
--- a/src/client/localplayer.h
+++ b/src/client/localplayer.h
@@ -23,6 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "environment.h"
 #include "constants.h"
 #include "settings.h"
+#include "lighting.h"
 #include <list>
 
 class Client;
@@ -56,8 +57,8 @@ public:
 	bool in_liquid = false;
 	// This is more stable and defines the maximum speed of the player
 	bool in_liquid_stable = false;
-	// Gets the viscosity of water to calculate friction
-	u8 liquid_viscosity = 0;
+	// Slows down the player when moving through
+	u8 move_resistance = 0;
 	bool is_climbing = false;
 	bool swimming_vertical = false;
 	bool swimming_pitch = false;
@@ -87,7 +88,7 @@ public:
 	v3f last_speed;
 	float last_pitch = 0.0f;
 	float last_yaw = 0.0f;
-	unsigned int last_keyPressed = 0;
+	u32 last_keyPressed = 0;
 	u8 last_camera_fov = 0;
 	u8 last_wanted_range = 0;
 
@@ -187,6 +188,8 @@ public:
 		added_velocity += vel;
 	}
 
+	inline Lighting& getLighting() { return m_lighting; }
+
 	void tryReattach(int id);
 
 	bool isWaitingForReattach() const;
@@ -247,4 +250,5 @@ private:
 
 	GenericCAO *m_cao = nullptr;
 	Client *m_client;
+	Lighting m_lighting;
 };
diff --git a/src/client/mapblock_mesh.cpp b/src/client/mapblock_mesh.cpp
index 52729632a..f0d43ec7e 100644
--- a/src/client/mapblock_mesh.cpp
+++ b/src/client/mapblock_mesh.cpp
@@ -30,6 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/meshgen/collector.h"
 #include "client/renderingengine.h"
 #include <array>
+#include <algorithm>
 
 /*
 	MeshMakeData
@@ -1046,6 +1047,173 @@ static void applyTileColor(PreMeshBuffer &pmb)
 }
 
 /*
+	MapBlockBspTree
+*/
+
+void MapBlockBspTree::buildTree(const std::vector<MeshTriangle> *triangles)
+{
+	this->triangles = triangles;
+
+	nodes.clear();
+
+	// assert that triangle index can fit into s32
+	assert(triangles->size() <= 0x7FFFFFFFL);
+	std::vector<s32> indexes;
+	indexes.reserve(triangles->size());
+	for (u32 i = 0; i < triangles->size(); i++)
+		indexes.push_back(i);
+
+	root = buildTree(v3f(1, 0, 0), v3f(85, 85, 85), 40, indexes, 0);
+}
+
+/**
+ * @brief Find a candidate plane to split a set of triangles in two
+ * 
+ * The candidate plane is represented by one of the triangles from the set.
+ * 
+ * @param list Vector of indexes of the triangles in the set
+ * @param triangles Vector of all triangles in the BSP tree
+ * @return Address of the triangle that represents the proposed split plane
+ */
+static const MeshTriangle *findSplitCandidate(const std::vector<s32> &list, const std::vector<MeshTriangle> &triangles)
+{
+	// find the center of the cluster.
+	v3f center(0, 0, 0);
+	size_t n = list.size();
+	for (s32 i : list) {
+		center += triangles[i].centroid / n;
+	}
+
+	// find the triangle with the largest area and closest to the center
+	const MeshTriangle *candidate_triangle = &triangles[list[0]];
+	const MeshTriangle *ith_triangle;
+	for (s32 i : list) {
+		ith_triangle = &triangles[i];
+		if (ith_triangle->areaSQ > candidate_triangle->areaSQ ||
+				(ith_triangle->areaSQ == candidate_triangle->areaSQ &&
+				ith_triangle->centroid.getDistanceFromSQ(center) < candidate_triangle->centroid.getDistanceFromSQ(center))) {
+			candidate_triangle = ith_triangle;
+		}
+	}
+	return candidate_triangle;
+}
+
+s32 MapBlockBspTree::buildTree(v3f normal, v3f origin, float delta, const std::vector<s32> &list, u32 depth)
+{
+	// if the list is empty, don't bother
+	if (list.empty())
+		return -1;
+
+	// if there is only one triangle, or the delta is insanely small, this is a leaf node
+	if (list.size() == 1 || delta < 0.01) {
+		nodes.emplace_back(normal, origin, list, -1, -1);
+		return nodes.size() - 1;
+	}
+
+	std::vector<s32> front_list;
+	std::vector<s32> back_list;
+	std::vector<s32> node_list;
+
+	// split the list
+	for (s32 i : list) {
+		const MeshTriangle &triangle = (*triangles)[i];
+		float factor = normal.dotProduct(triangle.centroid - origin);
+		if (factor == 0)
+			node_list.push_back(i);
+		else if (factor > 0)
+			front_list.push_back(i);
+		else
+			back_list.push_back(i);
+	}
+
+	// define the new split-plane
+	v3f candidate_normal(normal.Z, normal.X, normal.Y);
+	float candidate_delta = delta;
+	if (depth % 3 == 2)
+		candidate_delta /= 2;
+
+	s32 front_index = -1;
+	s32 back_index = -1;
+
+	if (!front_list.empty()) {
+		v3f next_normal = candidate_normal;
+		v3f next_origin = origin + delta * normal;
+		float next_delta = candidate_delta;
+		if (next_delta < 10) {
+			const MeshTriangle *candidate = findSplitCandidate(front_list, *triangles);
+			next_normal = candidate->getNormal();
+			next_origin = candidate->centroid;
+		}
+		front_index = buildTree(next_normal, next_origin, next_delta, front_list, depth + 1);
+
+		// if there are no other triangles, don't create a new node
+		if (back_list.empty() && node_list.empty())
+			return front_index;
+	}
+
+	if (!back_list.empty()) {
+		v3f next_normal = candidate_normal;
+		v3f next_origin = origin - delta * normal;
+		float next_delta = candidate_delta;
+		if (next_delta < 10) {
+			const MeshTriangle *candidate = findSplitCandidate(back_list, *triangles);
+			next_normal = candidate->getNormal();
+			next_origin = candidate->centroid;
+		}
+
+		back_index = buildTree(next_normal, next_origin, next_delta, back_list, depth + 1);
+
+		// if there are no other triangles, don't create a new node
+		if (front_list.empty() && node_list.empty())
+			return back_index;
+	}
+
+	nodes.emplace_back(normal, origin, node_list, front_index, back_index);
+
+	return nodes.size() - 1;
+}
+
+void MapBlockBspTree::traverse(s32 node, v3f viewpoint, std::vector<s32> &output) const
+{
+	if (node < 0) return; // recursion break;
+
+	const TreeNode &n = nodes[node];
+	float factor = n.normal.dotProduct(viewpoint - n.origin);
+
+	if (factor > 0)
+		traverse(n.back_ref, viewpoint, output);
+	else
+		traverse(n.front_ref, viewpoint, output);
+
+	if (factor != 0)
+		for (s32 i : n.triangle_refs)
+			output.push_back(i);
+
+	if (factor > 0)
+		traverse(n.front_ref, viewpoint, output);
+	else
+		traverse(n.back_ref, viewpoint, output);
+}
+
+
+
+/*
+	PartialMeshBuffer
+*/
+
+void PartialMeshBuffer::beforeDraw() const
+{
+	// Patch the indexes in the mesh buffer before draw
+
+	m_buffer->Indices.clear();
+	if (!m_vertex_indexes.empty()) {
+		for (auto index : m_vertex_indexes)
+			m_buffer->Indices.push_back(index);
+	}
+	m_buffer->setDirty(scene::EBT_INDEX);
+}
+
+/*
 	MapBlockMesh
 */
 
@@ -1152,6 +1320,9 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
 		Convert MeshCollector to SMesh
 	*/
 
+	const bool desync_animations = g_settings->getBool(
+		"desynchronize_mapblock_texture_animation");
+
 	for (int layer = 0; layer < MAX_TILE_LAYERS; layer++) {
 		for(u32 i = 0; i < collector.prebuffers[layer].size(); i++)
 		{
@@ -1181,18 +1352,18 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
 			// - Texture animation
 			if (p.layer.material_flags & MATERIAL_FLAG_ANIMATION) {
 				// Add to MapBlockMesh in order to animate these tiles
-				m_animation_tiles[std::pair<u8, u32>(layer, i)] = p.layer;
-				m_animation_frames[std::pair<u8, u32>(layer, i)] = 0;
-				if (g_settings->getBool(
-						"desynchronize_mapblock_texture_animation")) {
+				auto &info = m_animation_info[{layer, i}];
+				info.tile = p.layer;
+				info.frame = 0;
+				if (desync_animations) {
 					// Get starting position from noise
-					m_animation_frame_offsets[std::pair<u8, u32>(layer, i)] =
+					info.frame_offset =
 							100000 * (2.0 + noise3d(
 							data->m_blockpos.X, data->m_blockpos.Y,
 							data->m_blockpos.Z, 0));
 				} else {
 					// Play all synchronized
-					m_animation_frame_offsets[std::pair<u8, u32>(layer, i)] = 0;
+					info.frame_offset = 0;
 				}
 				// Replace tile texture with the first animation frame
 				p.layer.texture = (*p.layer.frames)[0].texture;
@@ -1203,19 +1374,23 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
 				// Dummy sunlight to handle non-sunlit areas
 				video::SColorf sunlight;
 				get_sunlight_color(&sunlight, 0);
-				u32 vertex_count = p.vertices.size();
+
+				std::map<u32, video::SColor> colors;
+				const u32 vertex_count = p.vertices.size();
 				for (u32 j = 0; j < vertex_count; j++) {
 					video::SColor *vc = &p.vertices[j].Color;
 					video::SColor copy = *vc;
 					if (vc->getAlpha() == 0) // No sunlight - no need to animate
 						final_color_blend(vc, copy, sunlight); // Finalize color
 					else // Record color to animate
-						m_daynight_diffs[std::pair<u8, u32>(layer, i)][j] = copy;
+						colors[j] = copy;
 
 					// The sunlight ratio has been stored,
 					// delete alpha (for the final rendering).
 					vc->setAlpha(255);
 				}
+				if (!colors.empty())
+					m_daynight_diffs[{layer, i}] = std::move(colors);
 			}
 
 			// Create material
@@ -1241,8 +1416,31 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
 
 			scene::SMeshBuffer *buf = new scene::SMeshBuffer();
 			buf->Material = material;
-			buf->append(&p.vertices[0], p.vertices.size(),
-				&p.indices[0], p.indices.size());
+			switch (p.layer.material_type) {
+			// list of transparent materials taken from tile.h
+			case TILE_MATERIAL_ALPHA:
+			case TILE_MATERIAL_LIQUID_TRANSPARENT:
+			case TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT:
+				{
+					buf->append(&p.vertices[0], p.vertices.size(),
+						&p.indices[0], 0);
+
+					MeshTriangle t;
+					t.buffer = buf;
+					for (u32 i = 0; i < p.indices.size(); i += 3) {
+						t.p1 = p.indices[i];
+						t.p2 = p.indices[i + 1];
+						t.p3 = p.indices[i + 2];
+						t.updateAttributes();
+						m_transparent_triangles.push_back(t);
+					}
+				}
+				break;
+			default:
+				buf->append(&p.vertices[0], p.vertices.size(),
+					&p.indices[0], p.indices.size());
+				break;
+			}
 			mesh->addMeshBuffer(buf);
 			buf->drop();
 		}
@@ -1255,23 +1453,26 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data, v3s16 camera_offset):
 	}
 
 	//std::cout<<"added "<<fastfaces.getSize()<<" faces."<<std::endl;
+	m_bsp_tree.buildTree(&m_transparent_triangles);
 
 	// Check if animation is required for this mesh
 	m_has_animation =
 		!m_crack_materials.empty() ||
 		!m_daynight_diffs.empty() ||
-		!m_animation_tiles.empty();
+		!m_animation_info.empty();
 }
 
 MapBlockMesh::~MapBlockMesh()
 {
 	for (scene::IMesh *m : m_mesh) {
+#if IRRLICHT_VERSION_MT_REVISION < 5
 		if (m_enable_vbo) {
 			for (u32 i = 0; i < m->getMeshBufferCount(); i++) {
 				scene::IMeshBuffer *buf = m->getMeshBuffer(i);
 				RenderingEngine::get_video_driver()->removeHardwareBuffer(buf);
 			}
 		}
+#endif
 		m->drop();
 	}
 	delete m_minimap_mapblock;
@@ -1292,25 +1493,22 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack,
 		for (auto &crack_material : m_crack_materials) {
 			scene::IMeshBuffer *buf = m_mesh[crack_material.first.first]->
 				getMeshBuffer(crack_material.first.second);
-			std::string basename = crack_material.second;
 
 			// Create new texture name from original
-			std::ostringstream os;
-			os << basename << crack;
+			std::string s = crack_material.second + itos(crack);
 			u32 new_texture_id = 0;
 			video::ITexture *new_texture =
-					m_tsrc->getTextureForMesh(os.str(), &new_texture_id);
+					m_tsrc->getTextureForMesh(s, &new_texture_id);
 			buf->getMaterial().setTexture(0, new_texture);
 
-			// If the current material is also animated,
-			// update animation info
-			auto anim_iter = m_animation_tiles.find(crack_material.first);
-			if (anim_iter != m_animation_tiles.end()) {
-				TileLayer &tile = anim_iter->second;
+			// If the current material is also animated, update animation info
+			auto anim_it = m_animation_info.find(crack_material.first);
+			if (anim_it != m_animation_info.end()) {
+				TileLayer &tile = anim_it->second.tile;
 				tile.texture = new_texture;
 				tile.texture_id = new_texture_id;
 				// force animation update
-				m_animation_frames[crack_material.first] = -1;
+				anim_it->second.frame = -1;
 			}
 		}
 
@@ -1318,28 +1516,25 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack,
 	}
 
 	// Texture animation
-	for (auto &animation_tile : m_animation_tiles) {
-		const TileLayer &tile = animation_tile.second;
+	for (auto &it : m_animation_info) {
+		const TileLayer &tile = it.second.tile;
 		// Figure out current frame
-		int frameoffset = m_animation_frame_offsets[animation_tile.first];
-		int frame = (int)(time * 1000 / tile.animation_frame_length_ms
-				+ frameoffset) % tile.animation_frame_count;
+		int frameno = (int)(time * 1000 / tile.animation_frame_length_ms
+				+ it.second.frame_offset) % tile.animation_frame_count;
 		// If frame doesn't change, skip
-		if (frame == m_animation_frames[animation_tile.first])
+		if (frameno == it.second.frame)
 			continue;
 
-		m_animation_frames[animation_tile.first] = frame;
+		it.second.frame = frameno;
 
-		scene::IMeshBuffer *buf = m_mesh[animation_tile.first.first]->
-			getMeshBuffer(animation_tile.first.second);
+		scene::IMeshBuffer *buf = m_mesh[it.first.first]->getMeshBuffer(it.first.second);
 
-		const FrameSpec &animation_frame = (*tile.frames)[frame];
-		buf->getMaterial().setTexture(0, animation_frame.texture);
+		const FrameSpec &frame = (*tile.frames)[frameno];
+		buf->getMaterial().setTexture(0, frame.texture);
 		if (m_enable_shaders) {
-			if (animation_frame.normal_texture)
-				buf->getMaterial().setTexture(1,
-					animation_frame.normal_texture);
-			buf->getMaterial().setTexture(2, animation_frame.flags_texture);
+			if (frame.normal_texture)
+				buf->getMaterial().setTexture(1, frame.normal_texture);
+			buf->getMaterial().setTexture(2, frame.flags_texture);
 		}
 	}
 
@@ -1366,6 +1561,67 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack,
 	return true;
 }
 
+void MapBlockMesh::updateTransparentBuffers(v3f camera_pos, v3s16 block_pos)
+{
+	// nothing to do if the entire block is opaque
+	if (m_transparent_triangles.empty())
+		return;
+
+	v3f block_posf = intToFloat(block_pos * MAP_BLOCKSIZE, BS);
+	v3f rel_camera_pos = camera_pos - block_posf;
+
+	std::vector<s32> triangle_refs;
+	m_bsp_tree.traverse(rel_camera_pos, triangle_refs);
+
+	// arrange index sequences into partial buffers
+	m_transparent_buffers.clear();
+
+	scene::SMeshBuffer *current_buffer = nullptr;
+	std::vector<u16> current_strain;
+	for (auto i : triangle_refs) {
+		const auto &t = m_transparent_triangles[i];
+		if (current_buffer != t.buffer) {
+			if (current_buffer) {
+				m_transparent_buffers.emplace_back(current_buffer, current_strain);
+				current_strain.clear();
+			}
+			current_buffer = t.buffer;
+		}
+		current_strain.push_back(t.p1);
+		current_strain.push_back(t.p2);
+		current_strain.push_back(t.p3);
+	}
+
+	if (!current_strain.empty())
+		m_transparent_buffers.emplace_back(current_buffer, current_strain);
+}
+
+void MapBlockMesh::consolidateTransparentBuffers()
+{
+	m_transparent_buffers.clear();
+
+	scene::SMeshBuffer *current_buffer = nullptr;
+	std::vector<u16> current_strain;
+
+	// use the fact that m_transparent_triangles is already arranged by buffer
+	for (const auto &t : m_transparent_triangles) {
+		if (current_buffer != t.buffer) {
+			if (current_buffer != nullptr) {
+				this->m_transparent_buffers.emplace_back(current_buffer, current_strain);
+				current_strain.clear();
+			}
+			current_buffer = t.buffer;
+		}
+		current_strain.push_back(t.p1);
+		current_strain.push_back(t.p2);
+		current_strain.push_back(t.p3);
+	}
+
+	if (!current_strain.empty()) {
+		this->m_transparent_buffers.emplace_back(current_buffer, current_strain);
+	}
+}
+
 video::SColor encode_light(u16 light, u8 emissive_light)
 {
 	// Get components
diff --git a/src/client/mapblock_mesh.h b/src/client/mapblock_mesh.h
index 80075fce2..5e2d70b75 100644
--- a/src/client/mapblock_mesh.h
+++ b/src/client/mapblock_mesh.h
@@ -71,6 +71,91 @@ struct MeshMakeData
 	void setSmoothLighting(bool smooth_lighting);
 };
 
+// represents a triangle as indexes into the vertex buffer in SMeshBuffer
+class MeshTriangle
+{
+public:
+	scene::SMeshBuffer *buffer;
+	u16 p1, p2, p3;
+	v3f centroid;
+	float areaSQ;
+
+	void updateAttributes()
+	{
+		v3f v1 = buffer->getPosition(p1);
+		v3f v2 = buffer->getPosition(p2);
+		v3f v3 = buffer->getPosition(p3);
+
+		centroid = (v1 + v2 + v3) / 3;
+		areaSQ = (v2-v1).crossProduct(v3-v1).getLengthSQ() / 4;
+	}
+
+	v3f getNormal() const {
+		v3f v1 = buffer->getPosition(p1);
+		v3f v2 = buffer->getPosition(p2);
+		v3f v3 = buffer->getPosition(p3);
+
+		return (v2-v1).crossProduct(v3-v1);
+	}
+};
+
+/**
+ * Implements a binary space partitioning tree 
+ * See also: https://en.wikipedia.org/wiki/Binary_space_partitioning
+ */
+class MapBlockBspTree
+{
+public:
+	MapBlockBspTree() {}
+
+	void buildTree(const std::vector<MeshTriangle> *triangles);
+
+	void traverse(v3f viewpoint, std::vector<s32> &output) const
+	{
+		traverse(root, viewpoint, output);
+	}
+
+private:
+	// Tree node definition;
+	struct TreeNode
+	{
+		v3f normal;
+		v3f origin;
+		std::vector<s32> triangle_refs;
+		s32 front_ref;
+		s32 back_ref;
+
+		TreeNode() = default;
+		TreeNode(v3f normal, v3f origin, const std::vector<s32> &triangle_refs, s32 front_ref, s32 back_ref) :
+				normal(normal), origin(origin), triangle_refs(triangle_refs), front_ref(front_ref), back_ref(back_ref)
+		{}
+	};
+
+
+	s32 buildTree(v3f normal, v3f origin, float delta, const std::vector<s32> &list, u32 depth);
+	void traverse(s32 node, v3f viewpoint, std::vector<s32> &output) const;
+
+	const std::vector<MeshTriangle> *triangles = nullptr; // this reference is managed externally
+	std::vector<TreeNode> nodes; // list of nodes
+	s32 root = -1; // index of the root node
+};
+
+class PartialMeshBuffer
+{
+public:
+	PartialMeshBuffer(scene::SMeshBuffer *buffer, const std::vector<u16> &vertex_indexes) :
+			m_buffer(buffer), m_vertex_indexes(vertex_indexes)
+	{}
+
+	scene::IMeshBuffer *getBuffer() const { return m_buffer; }
+	const std::vector<u16> &getVertexIndexes() const { return m_vertex_indexes; }
+
+	void beforeDraw() const;
+private:
+	scene::SMeshBuffer *m_buffer;
+	std::vector<u16> m_vertex_indexes;
+};
+
 /*
 	Holds a mesh for a mapblock.
 
@@ -125,9 +210,25 @@ public:
 			m_animation_force_timer--;
 	}
 
+	/// update transparent buffers to render towards the camera
+	void updateTransparentBuffers(v3f camera_pos, v3s16 block_pos);
+	void consolidateTransparentBuffers();
+
+	/// get the list of transparent buffers
+	const std::vector<PartialMeshBuffer> &getTransparentBuffers() const
+	{
+		return this->m_transparent_buffers;
+	}
+
 	std::set<v3s16> esp_nodes;
 
 private:
+	struct AnimationInfo {
+		int frame; // last animation frame
+		int frame_offset;
+		TileLayer tile;
+	};
+
 	scene::IMesh *m_mesh[MAX_TILE_LAYERS];
 	MinimapMapblock *m_minimap_mapblock;
 	ITextureSource *m_tsrc;
@@ -146,12 +247,10 @@ private:
 	// Maps mesh and mesh buffer (i.e. material) indices to base texture names
 	std::map<std::pair<u8, u32>, std::string> m_crack_materials;
 
-	// Animation info: texture animationi
+	// Animation info: texture animation
 	// Maps mesh and mesh buffer indices to TileSpecs
 	// Keys are pairs of (mesh index, buffer index in the mesh)
-	std::map<std::pair<u8, u32>, TileLayer> m_animation_tiles;
-	std::map<std::pair<u8, u32>, int> m_animation_frames; // last animation frame
-	std::map<std::pair<u8, u32>, int> m_animation_frame_offsets;
+	std::map<std::pair<u8, u32>, AnimationInfo> m_animation_info;
 
 	// Animation info: day/night transitions
 	// Last daynight_ratio value passed to animate()
@@ -160,6 +259,13 @@ private:
 	// of sunlit vertices
 	// Keys are pairs of (mesh index, buffer index in the mesh)
 	std::map<std::pair<u8, u32>, std::map<u32, video::SColor > > m_daynight_diffs;
+
+	// list of all semitransparent triangles in the mapblock
+	std::vector<MeshTriangle> m_transparent_triangles;
+	// Binary Space Partitioning tree for the block
+	MapBlockBspTree m_bsp_tree;
+	// Ordered list of references to parts of transparent buffers to draw
+	std::vector<PartialMeshBuffer> m_transparent_buffers;
 };
 
 /*!
diff --git a/src/client/mesh.cpp b/src/client/mesh.cpp
index e43139218..bec72fb5e 100644
--- a/src/client/mesh.cpp
+++ b/src/client/mesh.cpp
@@ -331,6 +331,9 @@ void recalculateBoundingBox(scene::IMesh *src_mesh)
 
 bool checkMeshNormals(scene::IMesh *mesh)
 {
+	// Assume correct normals if this many first faces get it right.
+	static const u16 MAX_FACES_TO_CHECK = 9;
+
 	u32 buffer_count = mesh->getMeshBufferCount();
 
 	for (u32 i = 0; i < buffer_count; i++) {
@@ -344,6 +347,19 @@ bool checkMeshNormals(scene::IMesh *mesh)
 
 		if (!std::isfinite(length) || length < 1e-10f)
 			return false;
+
+		const u16 count = MYMIN(MAX_FACES_TO_CHECK * 3, buffer->getIndexCount() - 3);
+		for (u16 i = 0; i < count; i += 3) {
+
+			core::plane3df plane(buffer->getPosition(buffer->getIndices()[i]),
+					buffer->getPosition(buffer->getIndices()[i+1]),
+					buffer->getPosition(buffer->getIndices()[i+2]));
+
+			for (u16 j = 0; j < 3; j++)
+				if (plane.Normal.dotProduct(buffer->getNormal(buffer->getIndices()[i+j])) <= 0)
+					return false;
+		}
+
 	}
 
 	return true;
@@ -498,592 +514,3 @@ scene::IMesh* convertNodeboxesToMesh(const std::vector<aabb3f> &boxes,
 	}
 	return dst_mesh;
 }
-
-struct vcache
-{
-	core::array<u32> tris;
-	float score;
-	s16 cachepos;
-	u16 NumActiveTris;
-};
-
-struct tcache
-{
-	u16 ind[3];
-	float score;
-	bool drawn;
-};
-
-const u16 cachesize = 32;
-
-float FindVertexScore(vcache *v)
-{
-	const float CacheDecayPower = 1.5f;
-	const float LastTriScore = 0.75f;
-	const float ValenceBoostScale = 2.0f;
-	const float ValenceBoostPower = 0.5f;
-	const float MaxSizeVertexCache = 32.0f;
-
-	if (v->NumActiveTris == 0)
-	{
-		// No tri needs this vertex!
-		return -1.0f;
-	}
-
-	float Score = 0.0f;
-	int CachePosition = v->cachepos;
-	if (CachePosition < 0)
-	{
-		// Vertex is not in FIFO cache - no score.
-	}
-	else
-	{
-		if (CachePosition < 3)
-		{
-			// This vertex was used in the last triangle,
-			// so it has a fixed score.
-			Score = LastTriScore;
-		}
-		else
-		{
-			// Points for being high in the cache.
-			const float Scaler = 1.0f / (MaxSizeVertexCache - 3);
-			Score = 1.0f - (CachePosition - 3) * Scaler;
-			Score = powf(Score, CacheDecayPower);
-		}
-	}
-
-	// Bonus points for having a low number of tris still to
-	// use the vert, so we get rid of lone verts quickly.
-	float ValenceBoost = powf(v->NumActiveTris,
-				-ValenceBoostPower);
-	Score += ValenceBoostScale * ValenceBoost;
-
-	return Score;
-}
-
-/*
-	A specialized LRU cache for the Forsyth algorithm.
-*/
-
-class f_lru
-{
-
-public:
-	f_lru(vcache *v, tcache *t): vc(v), tc(t)
-	{
-		for (int &i : cache) {
-			i = -1;
-		}
-	}
-
-	// Adds this vertex index and returns the highest-scoring triangle index
-	u32 add(u16 vert, bool updatetris = false)
-	{
-		bool found = false;
-
-		// Mark existing pos as empty
-		for (u16 i = 0; i < cachesize; i++)
-		{
-			if (cache[i] == vert)
-			{
-				// Move everything down
-				for (u16 j = i; j; j--)
-				{
-					cache[j] = cache[j - 1];
-				}
-
-				found = true;
-				break;
-			}
-		}
-
-		if (!found)
-		{
-			if (cache[cachesize-1] != -1)
-				vc[cache[cachesize-1]].cachepos = -1;
-
-			// Move everything down
-			for (u16 i = cachesize - 1; i; i--)
-			{
-				cache[i] = cache[i - 1];
-			}
-		}
-
-		cache[0] = vert;
-
-		u32 highest = 0;
-		float hiscore = 0;
-
-		if (updatetris)
-		{
-			// Update cache positions
-			for (u16 i = 0; i < cachesize; i++)
-			{
-				if (cache[i] == -1)
-					break;
-
-				vc[cache[i]].cachepos = i;
-				vc[cache[i]].score = FindVertexScore(&vc[cache[i]]);
-			}
-
-			// Update triangle scores
-			for (int i : cache) {
-				if (i == -1)
-					break;
-
-				const u16 trisize = vc[i].tris.size();
-				for (u16 t = 0; t < trisize; t++)
-				{
-					tcache *tri = &tc[vc[i].tris[t]];
-
-					tri->score =
-						vc[tri->ind[0]].score +
-						vc[tri->ind[1]].score +
-						vc[tri->ind[2]].score;
-
-					if (tri->score > hiscore)
-					{
-						hiscore = tri->score;
-						highest = vc[i].tris[t];
-					}
-				}
-			}
-		}
-
-		return highest;
-	}
-
-private:
-	s32 cache[cachesize];
-	vcache *vc;
-	tcache *tc;
-};
-
-/**
-Vertex cache optimization according to the Forsyth paper:
-http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
-
-The function is thread-safe (read: you can optimize several meshes in different threads)
-
-\param mesh Source mesh for the operation.  */
-scene::IMesh* createForsythOptimizedMesh(const scene::IMesh *mesh)
-{
-	if (!mesh)
-		return 0;
-
-	scene::SMesh *newmesh = new scene::SMesh();
-	newmesh->BoundingBox = mesh->getBoundingBox();
-
-	const u32 mbcount = mesh->getMeshBufferCount();
-
-	for (u32 b = 0; b < mbcount; ++b)
-	{
-		const scene::IMeshBuffer *mb = mesh->getMeshBuffer(b);
-
-		if (mb->getIndexType() != video::EIT_16BIT)
-		{
-			//os::Printer::log("Cannot optimize a mesh with 32bit indices", ELL_ERROR);
-			newmesh->drop();
-			return 0;
-		}
-
-		const u32 icount = mb->getIndexCount();
-		const u32 tcount = icount / 3;
-		const u32 vcount = mb->getVertexCount();
-		const u16 *ind = mb->getIndices();
-
-		vcache *vc = new vcache[vcount];
-		tcache *tc = new tcache[tcount];
-
-		f_lru lru(vc, tc);
-
-		// init
-		for (u16 i = 0; i < vcount; i++)
-		{
-			vc[i].score = 0;
-			vc[i].cachepos = -1;
-			vc[i].NumActiveTris = 0;
-		}
-
-		// First pass: count how many times a vert is used
-		for (u32 i = 0; i < icount; i += 3)
-		{
-			vc[ind[i]].NumActiveTris++;
-			vc[ind[i + 1]].NumActiveTris++;
-			vc[ind[i + 2]].NumActiveTris++;
-
-			const u32 tri_ind = i/3;
-			tc[tri_ind].ind[0] = ind[i];
-			tc[tri_ind].ind[1] = ind[i + 1];
-			tc[tri_ind].ind[2] = ind[i + 2];
-		}
-
-		// Second pass: list of each triangle
-		for (u32 i = 0; i < tcount; i++)
-		{
-			vc[tc[i].ind[0]].tris.push_back(i);
-			vc[tc[i].ind[1]].tris.push_back(i);
-			vc[tc[i].ind[2]].tris.push_back(i);
-
-			tc[i].drawn = false;
-		}
-
-		// Give initial scores
-		for (u16 i = 0; i < vcount; i++)
-		{
-			vc[i].score = FindVertexScore(&vc[i]);
-		}
-		for (u32 i = 0; i < tcount; i++)
-		{
-			tc[i].score =
-					vc[tc[i].ind[0]].score +
-					vc[tc[i].ind[1]].score +
-					vc[tc[i].ind[2]].score;
-		}
-
-		switch(mb->getVertexType())
-		{
-			case video::EVT_STANDARD:
-			{
-				video::S3DVertex *v = (video::S3DVertex *) mb->getVertices();
-
-				scene::SMeshBuffer *buf = new scene::SMeshBuffer();
-				buf->Material = mb->getMaterial();
-
-				buf->Vertices.reallocate(vcount);
-				buf->Indices.reallocate(icount);
-
-				core::map<const video::S3DVertex, const u16> sind; // search index for fast operation
-				typedef core::map<const video::S3DVertex, const u16>::Node snode;
-
-				// Main algorithm
-				u32 highest = 0;
-				u32 drawcalls = 0;
-				for (;;)
-				{
-					if (tc[highest].drawn)
-					{
-						bool found = false;
-						float hiscore = 0;
-						for (u32 t = 0; t < tcount; t++)
-						{
-							if (!tc[t].drawn)
-							{
-								if (tc[t].score > hiscore)
-								{
-									highest = t;
-									hiscore = tc[t].score;
-									found = true;
-								}
-							}
-						}
-						if (!found)
-							break;
-					}
-
-					// Output the best triangle
-					u16 newind = buf->Vertices.size();
-
-					snode *s = sind.find(v[tc[highest].ind[0]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[0]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[0]], newind);
-						newind++;
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					s = sind.find(v[tc[highest].ind[1]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[1]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[1]], newind);
-						newind++;
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					s = sind.find(v[tc[highest].ind[2]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[2]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[2]], newind);
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					vc[tc[highest].ind[0]].NumActiveTris--;
-					vc[tc[highest].ind[1]].NumActiveTris--;
-					vc[tc[highest].ind[2]].NumActiveTris--;
-
-					tc[highest].drawn = true;
-
-					for (u16 j : tc[highest].ind) {
-						vcache *vert = &vc[j];
-						for (u16 t = 0; t < vert->tris.size(); t++)
-						{
-							if (highest == vert->tris[t])
-							{
-								vert->tris.erase(t);
-								break;
-							}
-						}
-					}
-
-					lru.add(tc[highest].ind[0]);
-					lru.add(tc[highest].ind[1]);
-					highest = lru.add(tc[highest].ind[2], true);
-					drawcalls++;
-				}
-
-				buf->setBoundingBox(mb->getBoundingBox());
-				newmesh->addMeshBuffer(buf);
-				buf->drop();
-			}
-			break;
-			case video::EVT_2TCOORDS:
-			{
-				video::S3DVertex2TCoords *v = (video::S3DVertex2TCoords *) mb->getVertices();
-
-				scene::SMeshBufferLightMap *buf = new scene::SMeshBufferLightMap();
-				buf->Material = mb->getMaterial();
-
-				buf->Vertices.reallocate(vcount);
-				buf->Indices.reallocate(icount);
-
-				core::map<const video::S3DVertex2TCoords, const u16> sind; // search index for fast operation
-				typedef core::map<const video::S3DVertex2TCoords, const u16>::Node snode;
-
-				// Main algorithm
-				u32 highest = 0;
-				u32 drawcalls = 0;
-				for (;;)
-				{
-					if (tc[highest].drawn)
-					{
-						bool found = false;
-						float hiscore = 0;
-						for (u32 t = 0; t < tcount; t++)
-						{
-							if (!tc[t].drawn)
-							{
-								if (tc[t].score > hiscore)
-								{
-									highest = t;
-									hiscore = tc[t].score;
-									found = true;
-								}
-							}
-						}
-						if (!found)
-							break;
-					}
-
-					// Output the best triangle
-					u16 newind = buf->Vertices.size();
-
-					snode *s = sind.find(v[tc[highest].ind[0]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[0]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[0]], newind);
-						newind++;
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					s = sind.find(v[tc[highest].ind[1]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[1]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[1]], newind);
-						newind++;
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					s = sind.find(v[tc[highest].ind[2]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[2]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[2]], newind);
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					vc[tc[highest].ind[0]].NumActiveTris--;
-					vc[tc[highest].ind[1]].NumActiveTris--;
-					vc[tc[highest].ind[2]].NumActiveTris--;
-
-					tc[highest].drawn = true;
-
-					for (u16 j : tc[highest].ind) {
-						vcache *vert = &vc[j];
-						for (u16 t = 0; t < vert->tris.size(); t++)
-						{
-							if (highest == vert->tris[t])
-							{
-								vert->tris.erase(t);
-								break;
-							}
-						}
-					}
-
-					lru.add(tc[highest].ind[0]);
-					lru.add(tc[highest].ind[1]);
-					highest = lru.add(tc[highest].ind[2]);
-					drawcalls++;
-				}
-
-				buf->setBoundingBox(mb->getBoundingBox());
-				newmesh->addMeshBuffer(buf);
-				buf->drop();
-
-			}
-			break;
-			case video::EVT_TANGENTS:
-			{
-				video::S3DVertexTangents *v = (video::S3DVertexTangents *) mb->getVertices();
-
-				scene::SMeshBufferTangents *buf = new scene::SMeshBufferTangents();
-				buf->Material = mb->getMaterial();
-
-				buf->Vertices.reallocate(vcount);
-				buf->Indices.reallocate(icount);
-
-				core::map<const video::S3DVertexTangents, const u16> sind; // search index for fast operation
-				typedef core::map<const video::S3DVertexTangents, const u16>::Node snode;
-
-				// Main algorithm
-				u32 highest = 0;
-				u32 drawcalls = 0;
-				for (;;)
-				{
-					if (tc[highest].drawn)
-					{
-						bool found = false;
-						float hiscore = 0;
-						for (u32 t = 0; t < tcount; t++)
-						{
-							if (!tc[t].drawn)
-							{
-								if (tc[t].score > hiscore)
-								{
-									highest = t;
-									hiscore = tc[t].score;
-									found = true;
-								}
-							}
-						}
-						if (!found)
-							break;
-					}
-
-					// Output the best triangle
-					u16 newind = buf->Vertices.size();
-
-					snode *s = sind.find(v[tc[highest].ind[0]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[0]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[0]], newind);
-						newind++;
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					s = sind.find(v[tc[highest].ind[1]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[1]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[1]], newind);
-						newind++;
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					s = sind.find(v[tc[highest].ind[2]]);
-
-					if (!s)
-					{
-						buf->Vertices.push_back(v[tc[highest].ind[2]]);
-						buf->Indices.push_back(newind);
-						sind.insert(v[tc[highest].ind[2]], newind);
-					}
-					else
-					{
-						buf->Indices.push_back(s->getValue());
-					}
-
-					vc[tc[highest].ind[0]].NumActiveTris--;
-					vc[tc[highest].ind[1]].NumActiveTris--;
-					vc[tc[highest].ind[2]].NumActiveTris--;
-
-					tc[highest].drawn = true;
-
-					for (u16 j : tc[highest].ind) {
-						vcache *vert = &vc[j];
-						for (u16 t = 0; t < vert->tris.size(); t++)
-						{
-							if (highest == vert->tris[t])
-							{
-								vert->tris.erase(t);
-								break;
-							}
-						}
-					}
-
-					lru.add(tc[highest].ind[0]);
-					lru.add(tc[highest].ind[1]);
-					highest = lru.add(tc[highest].ind[2]);
-					drawcalls++;
-				}
-
-				buf->setBoundingBox(mb->getBoundingBox());
-				newmesh->addMeshBuffer(buf);
-				buf->drop();
-			}
-			break;
-		}
-
-		delete [] vc;
-		delete [] tc;
-
-	} // for each meshbuffer
-
-	return newmesh;
-}
diff --git a/src/client/mesh.h b/src/client/mesh.h
index dbc091a06..1ed753c01 100644
--- a/src/client/mesh.h
+++ b/src/client/mesh.h
@@ -133,10 +133,3 @@ void recalculateBoundingBox(scene::IMesh *src_mesh);
 	We assume normal to be valid when it's 0 < length < Inf. and not NaN
  */
 bool checkMeshNormals(scene::IMesh *mesh);
-
-/*
-	Vertex cache optimization according to the Forsyth paper:
-	http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
-	Ported from irrlicht 1.8
-*/
-scene::IMesh* createForsythOptimizedMesh(const scene::IMesh *mesh);
diff --git a/src/client/mesh_generator_thread.cpp b/src/client/mesh_generator_thread.cpp
index c8d1cba26..5c3f4180b 100644
--- a/src/client/mesh_generator_thread.cpp
+++ b/src/client/mesh_generator_thread.cpp
@@ -23,6 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client.h"
 #include "mapblock.h"
 #include "map.h"
+#include "util/directiontables.h"
 
 /*
 	CachedMapBlockData
@@ -69,7 +70,7 @@ MeshUpdateQueue::~MeshUpdateQueue()
 	}
 }
 
-void MeshUpdateQueue::addBlock(Map *map, v3s16 p, bool ack_block_to_server, bool urgent)
+bool MeshUpdateQueue::addBlock(Map *map, v3s16 p, bool ack_block_to_server, bool urgent)
 {
 	MutexAutoLock lock(m_mutex);
 
@@ -81,20 +82,15 @@ void MeshUpdateQueue::addBlock(Map *map, v3s16 p, bool ack_block_to_server, bool
 	*/
 	std::vector<CachedMapBlockData*> cached_blocks;
 	size_t cache_hit_counter = 0;
+	CachedMapBlockData *cached_block = cacheBlock(map, p, FORCE_UPDATE);
+	if (!cached_block->data)
+		return false; // nothing to update
 	cached_blocks.reserve(3*3*3);
-	v3s16 dp;
-	for (dp.X = -1; dp.X <= 1; dp.X++)
-	for (dp.Y = -1; dp.Y <= 1; dp.Y++)
-	for (dp.Z = -1; dp.Z <= 1; dp.Z++) {
-		v3s16 p1 = p + dp;
-		CachedMapBlockData *cached_block;
-		if (dp == v3s16(0, 0, 0))
-			cached_block = cacheBlock(map, p1, FORCE_UPDATE);
-		else
-			cached_block = cacheBlock(map, p1, SKIP_UPDATE_IF_ALREADY_CACHED,
-					&cache_hit_counter);
-		cached_blocks.push_back(cached_block);
-	}
+	cached_blocks.push_back(cached_block);
+	for (v3s16 dp : g_26dirs)
+		cached_blocks.push_back(cacheBlock(map, p + dp,
+				SKIP_UPDATE_IF_ALREADY_CACHED,
+				&cache_hit_counter));
 	g_profiler->avg("MeshUpdateQueue: MapBlocks from cache [%]",
 			100.0f * cache_hit_counter / cached_blocks.size());
 
@@ -116,7 +112,7 @@ void MeshUpdateQueue::addBlock(Map *map, v3s16 p, bool ack_block_to_server, bool
 				q->ack_block_to_server = true;
 			q->crack_level = m_client->getCrackLevel();
 			q->crack_pos = m_client->getCrackPos();
-			return;
+			return true;
 		}
 	}
 
@@ -134,6 +130,7 @@ void MeshUpdateQueue::addBlock(Map *map, v3s16 p, bool ack_block_to_server, bool
 	for (CachedMapBlockData *cached_block : cached_blocks) {
 		cached_block->refcount_from_queue++;
 	}
+	return true;
 }
 
 // Returned pointer must be deleted
@@ -212,10 +209,7 @@ void MeshUpdateQueue::fillDataFromMapBlockCache(QueuedMeshUpdate *q)
 	std::time_t t_now = std::time(0);
 
 	// Collect data for 3*3*3 blocks from cache
-	v3s16 dp;
-	for (dp.X = -1; dp.X <= 1; dp.X++)
-	for (dp.Y = -1; dp.Y <= 1; dp.Y++)
-	for (dp.Z = -1; dp.Z <= 1; dp.Z++) {
+	for (v3s16 dp : g_27dirs) {
 		v3s16 p = q->p + dp;
 		CachedMapBlockData *cached_block = getCachedBlock(p);
 		if (cached_block) {
@@ -272,10 +266,25 @@ MeshUpdateThread::MeshUpdateThread(Client *client):
 }
 
 void MeshUpdateThread::updateBlock(Map *map, v3s16 p, bool ack_block_to_server,
-		bool urgent)
+		bool urgent, bool update_neighbors)
 {
-	// Allow the MeshUpdateQueue to do whatever it wants
-	m_queue_in.addBlock(map, p, ack_block_to_server, urgent);
+	static thread_local const bool many_neighbors =
+			g_settings->getBool("smooth_lighting")
+			&& !g_settings->getFlag("performance_tradeoffs");
+	if (!m_queue_in.addBlock(map, p, ack_block_to_server, urgent)) {
+		warningstream << "Update requested for non-existent block at ("
+				<< p.X << ", " << p.Y << ", " << p.Z << ")" << std::endl;
+		return;
+	}
+	if (update_neighbors) {
+		if (many_neighbors) {
+			for (v3s16 dp : g_26dirs)
+				m_queue_in.addBlock(map, p + dp, false, urgent);
+		} else {
+			for (v3s16 dp : g_6dirs)
+				m_queue_in.addBlock(map, p + dp, false, urgent);
+		}
+	}
 	deferUpdate();
 }
 
diff --git a/src/client/mesh_generator_thread.h b/src/client/mesh_generator_thread.h
index f393e2368..2ef695954 100644
--- a/src/client/mesh_generator_thread.h
+++ b/src/client/mesh_generator_thread.h
@@ -66,7 +66,7 @@ public:
 
 	// Caches the block at p and its neighbors (if needed) and queues a mesh
 	// update for the block at p
-	void addBlock(Map *map, v3s16 p, bool ack_block_to_server, bool urgent);
+	bool addBlock(Map *map, v3s16 p, bool ack_block_to_server, bool urgent);
 
 	// Returned pointer must be deleted
 	// Returns NULL if queue is empty
@@ -113,7 +113,8 @@ public:
 
 	// Caches the block at p and its neighbors (if needed) and queues a mesh
 	// update for the block at p
-	void updateBlock(Map *map, v3s16 p, bool ack_block_to_server, bool urgent);
+	void updateBlock(Map *map, v3s16 p, bool ack_block_to_server, bool urgent,
+			bool update_neighbors = false);
 
 	v3s16 m_camera_offset;
 	MutexedQueue<MeshUpdateResult> m_queue_out;
diff --git a/src/client/minimap.cpp b/src/client/minimap.cpp
index 3013e1406..9bb9d14e0 100644
--- a/src/client/minimap.cpp
+++ b/src/client/minimap.cpp
@@ -304,7 +304,7 @@ void Minimap::setModeIndex(size_t index)
 		data->mode = m_modes[index];
 		m_current_mode_index = index;
 	} else {
-		data->mode = MinimapModeDef{MINIMAP_TYPE_OFF, gettext("Minimap hidden"), 0, 0, ""};
+		data->mode = {MINIMAP_TYPE_OFF, gettext("Minimap hidden"), 0, 0, "", 0};
 		m_current_mode_index = 0;
 	}
 
diff --git a/src/client/render/anaglyph.cpp b/src/client/render/anaglyph.cpp
index 153e77400..2571f7333 100644
--- a/src/client/render/anaglyph.cpp
+++ b/src/client/render/anaglyph.cpp
@@ -30,6 +30,7 @@ void RenderingCoreAnaglyph::drawAll()
 void RenderingCoreAnaglyph::setupMaterial(int color_mask)
 {
 	video::SOverrideMaterial &mat = driver->getOverrideMaterial();
+	mat.reset();
 	mat.Material.ColorMask = color_mask;
 	mat.EnableFlags = video::EMF_COLOR_MASK;
 	mat.EnablePasses = scene::ESNRP_SKY_BOX | scene::ESNRP_SOLID |
diff --git a/src/client/render/core.cpp b/src/client/render/core.cpp
index 1028a96e1..9927e2589 100644
--- a/src/client/render/core.cpp
+++ b/src/client/render/core.cpp
@@ -90,8 +90,11 @@ void RenderingCore::draw(video::SColor _skycolor, bool _show_hud, bool _show_min
 	entity_esp_color = video::SColor(255, entity_color.X, entity_color.Y, entity_color.Z);
 	player_esp_color = video::SColor(255, player_color.X, player_color.Y, player_color.Z);
 
-	if (shadow_renderer)
+	if (shadow_renderer) {
+		// This is necessary to render shadows for animations correctly
+		smgr->getRootSceneNode()->OnAnimate(device->getTimer()->getTime());
 		shadow_renderer->update();
+	}
 
 	beforeDraw();
 	drawAll();
diff --git a/src/client/renderingengine.cpp b/src/client/renderingengine.cpp
index 2e4994a40..6ebcc784d 100644
--- a/src/client/renderingengine.cpp
+++ b/src/client/renderingengine.cpp
@@ -116,7 +116,7 @@ RenderingEngine::RenderingEngine(IEventReceiver *receiver)
 	}
 
 	SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
-	if (g_logger.getTraceEnabled())
+	if (tracestream)
 		params.LoggingLevel = irr::ELL_DEBUG;
 	params.DriverType = driverType;
 	params.WindowSize = core::dimension2d<u32>(screen_w, screen_h);
@@ -597,7 +597,7 @@ static float calcDisplayDensity()
 float RenderingEngine::getDisplayDensity()
 {
 	static float cached_display_density = calcDisplayDensity();
-	return cached_display_density;
+	return cached_display_density * g_settings->getFloat("display_density_factor");
 }
 
 #elif defined(_WIN32)
@@ -625,14 +625,14 @@ float RenderingEngine::getDisplayDensity()
 		display_density = calcDisplayDensity(get_video_driver());
 		cached = true;
 	}
-	return display_density;
+	return display_density * g_settings->getFloat("display_density_factor");
 }
 
 #else
 
 float RenderingEngine::getDisplayDensity()
 {
-	return g_settings->getFloat("screen_dpi") / 96.0;
+	return (g_settings->getFloat("screen_dpi") / 96.0) * g_settings->getFloat("display_density_factor");
 }
 
 #endif
diff --git a/src/client/shader.cpp b/src/client/shader.cpp
index dc9e9ae6d..bbb872761 100644
--- a/src/client/shader.cpp
+++ b/src/client/shader.cpp
@@ -40,20 +40,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/tile.h"
 #include "config.h"
 
-#if ENABLE_GLES
-#ifdef _IRR_COMPILE_WITH_OGLES1_
-#include <GLES/gl.h>
-#else
-#include <GLES2/gl2.h>
-#endif
-#else
-#ifndef __APPLE__
-#include <GL/gl.h>
-#else
-#define GL_SILENCE_DEPRECATION
-#include <OpenGL/gl.h>
-#endif
-#endif
+#include <mt_opengl.h>
 
 /*
 	A cache from shader name to shader path
@@ -223,17 +210,24 @@ public:
 
 class MainShaderConstantSetter : public IShaderConstantSetter
 {
-	CachedVertexShaderSetting<float, 16> m_world_view_proj;
-	CachedVertexShaderSetting<float, 16> m_world;
+	CachedVertexShaderSetting<f32, 16> m_world_view_proj;
+	CachedVertexShaderSetting<f32, 16> m_world;
 
 	// Shadow-related
-	CachedPixelShaderSetting<float, 16> m_shadow_view_proj;
-	CachedPixelShaderSetting<float, 3> m_light_direction;
-	CachedPixelShaderSetting<float> m_texture_res;
-	CachedPixelShaderSetting<float> m_shadow_strength;
-	CachedPixelShaderSetting<float> m_time_of_day;
-	CachedPixelShaderSetting<float> m_shadowfar;
+	CachedPixelShaderSetting<f32, 16> m_shadow_view_proj;
+	CachedPixelShaderSetting<f32, 3> m_light_direction;
+	CachedPixelShaderSetting<f32> m_texture_res;
+	CachedPixelShaderSetting<f32> m_shadow_strength;
+	CachedPixelShaderSetting<f32> m_time_of_day;
+	CachedPixelShaderSetting<f32> m_shadowfar;
+	CachedPixelShaderSetting<f32, 4> m_camera_pos;
 	CachedPixelShaderSetting<s32> m_shadow_texture;
+	CachedVertexShaderSetting<f32> m_perspective_bias0_vertex;
+	CachedPixelShaderSetting<f32> m_perspective_bias0_pixel;
+	CachedVertexShaderSetting<f32> m_perspective_bias1_vertex;
+	CachedPixelShaderSetting<f32> m_perspective_bias1_pixel;
+	CachedVertexShaderSetting<f32> m_perspective_zbias_vertex;
+	CachedPixelShaderSetting<f32> m_perspective_zbias_pixel;
 
 #if ENABLE_GLES
 	// Modelview matrix
@@ -248,18 +242,25 @@ public:
 	MainShaderConstantSetter() :
 		  m_world_view_proj("mWorldViewProj")
 		, m_world("mWorld")
-#if ENABLE_GLES
-		, m_world_view("mWorldView")
-		, m_texture("mTexture")
-		, m_normal("mNormal")
-#endif
 		, m_shadow_view_proj("m_ShadowViewProj")
 		, m_light_direction("v_LightDirection")
 		, m_texture_res("f_textureresolution")
 		, m_shadow_strength("f_shadow_strength")
 		, m_time_of_day("f_timeofday")
 		, m_shadowfar("f_shadowfar")
+		, m_camera_pos("CameraPos")
 		, m_shadow_texture("ShadowMapSampler")
+		, m_perspective_bias0_vertex("xyPerspectiveBias0")
+		, m_perspective_bias0_pixel("xyPerspectiveBias0")
+		, m_perspective_bias1_vertex("xyPerspectiveBias1")
+		, m_perspective_bias1_pixel("xyPerspectiveBias1")
+		, m_perspective_zbias_vertex("zPerspectiveBias")
+		, m_perspective_zbias_pixel("zPerspectiveBias")
+#if ENABLE_GLES
+		, m_world_view("mWorldView")
+		, m_texture("mTexture")
+		, m_normal("mNormal")
+#endif
 	{}
 	~MainShaderConstantSetter() = default;
 
@@ -306,26 +307,40 @@ public:
 			shadowViewProj *= light.getViewMatrix();
 			m_shadow_view_proj.set(shadowViewProj.pointer(), services);
 
-			float v_LightDirection[3];
+			f32 v_LightDirection[3];
 			light.getDirection().getAs3Values(v_LightDirection);
 			m_light_direction.set(v_LightDirection, services);
 
-			float TextureResolution = light.getMapResolution();
+			f32 TextureResolution = light.getMapResolution();
 			m_texture_res.set(&TextureResolution, services);
 
-			float ShadowStrength = shadow->getShadowStrength();
+			f32 ShadowStrength = shadow->getShadowStrength();
 			m_shadow_strength.set(&ShadowStrength, services);
 
-			float timeOfDay = shadow->getTimeOfDay();
+			f32 timeOfDay = shadow->getTimeOfDay();
 			m_time_of_day.set(&timeOfDay, services);
 
-			float shadowFar = shadow->getMaxShadowFar();
+			f32 shadowFar = shadow->getMaxShadowFar();
 			m_shadowfar.set(&shadowFar, services);
 
+			f32 cam_pos[4];
+			shadowViewProj.transformVect(cam_pos, light.getPlayerPos());
+			m_camera_pos.set(cam_pos, services);
+
 			// I dont like using this hardcoded value. maybe something like
 			// MAX_TEXTURE - 1 or somthing like that??
 			s32 TextureLayerID = 3;
 			m_shadow_texture.set(&TextureLayerID, services);
+
+			f32 bias0 = shadow->getPerspectiveBiasXY();
+			m_perspective_bias0_vertex.set(&bias0, services);
+			m_perspective_bias0_pixel.set(&bias0, services);
+			f32 bias1 = 1.0f - bias0 + 1e-5f;
+			m_perspective_bias1_vertex.set(&bias1, services);
+			m_perspective_bias1_pixel.set(&bias1, services);
+			f32 zbias = shadow->getPerspectiveBiasZ();
+			m_perspective_zbias_vertex.set(&zbias, services);
+			m_perspective_zbias_pixel.set(&zbias, services);
 		}
 	}
 };
@@ -667,13 +682,19 @@ ShaderInfo ShaderSource::generateShader(const std::string &name,
 		)";
 	}
 
+	// Since this is the first time we're using the GL bindings be extra careful.
+	// This should be removed before 5.6.0 or similar.
+	if (!GL.GetString) {
+		errorstream << "OpenGL procedures were not loaded correctly, "
+			"please open a bug report with details about your platform/OS." << std::endl;
+		abort();
+	}
+
 	bool use_discard = use_gles;
-#ifdef __unix__
 	// For renderers that should use discard instead of GL_ALPHA_TEST
-	const char* gl_renderer = (const char*)glGetString(GL_RENDERER);
-	if (strstr(gl_renderer, "GC7000"))
+	const char *renderer = reinterpret_cast<const char*>(GL.GetString(GL.RENDERER));
+	if (strstr(renderer, "GC7000"))
 		use_discard = true;
-#endif
 	if (use_discard) {
 		if (shaderinfo.base_material == video::EMT_TRANSPARENT_ALPHA_CHANNEL)
 			shaders_header << "#define USE_DISCARD 1\n";
diff --git a/src/client/shadows/dynamicshadows.cpp b/src/client/shadows/dynamicshadows.cpp
index 0c7eea0e7..ca2d3ce37 100644
--- a/src/client/shadows/dynamicshadows.cpp
+++ b/src/client/shadows/dynamicshadows.cpp
@@ -29,7 +29,6 @@ using m4f = core::matrix4;
 
 void DirectionalLight::createSplitMatrices(const Camera *cam)
 {
-	float radius;
 	v3f newCenter;
 	v3f look = cam->getDirection();
 
@@ -42,59 +41,38 @@ void DirectionalLight::createSplitMatrices(const Camera *cam)
 	float sfFar = adjustDist(future_frustum.zFar, cam->getFovY());
 
 	// adjusted camera positions
-	v3f camPos2 = cam->getPosition();
-	v3f camPos = v3f(camPos2.X - cam->getOffset().X * BS,
-			camPos2.Y - cam->getOffset().Y * BS,
-			camPos2.Z - cam->getOffset().Z * BS);
-	camPos += look * sfNear;
-	camPos2 += look * sfNear;
+	v3f cam_pos_world = cam->getPosition();
+	v3f cam_pos_scene = v3f(cam_pos_world.X - cam->getOffset().X * BS,
+			cam_pos_world.Y - cam->getOffset().Y * BS,
+			cam_pos_world.Z - cam->getOffset().Z * BS);
+	cam_pos_scene += look * sfNear;
+	cam_pos_world += look * sfNear;
 
 	// center point of light frustum
-	float end = sfNear + sfFar;
-	newCenter = camPos + look * (sfNear + 0.05f * end);
-	v3f world_center = camPos2 + look * (sfNear + 0.05f * end);
+	v3f center_scene = cam_pos_scene + look * 0.35 * (sfFar - sfNear);
+	v3f center_world = cam_pos_world + look * 0.35 * (sfFar - sfNear);
 
 	// Create a vector to the frustum far corner
 	const v3f &viewUp = cam->getCameraNode()->getUpVector();
 	v3f viewRight = look.crossProduct(viewUp);
 
-	v3f farCorner = look + viewRight * tanFovX + viewUp * tanFovY;
+	v3f farCorner = (look + viewRight * tanFovX + viewUp * tanFovY).normalize();
 	// Compute the frustumBoundingSphere radius
-	v3f boundVec = (camPos + farCorner * sfFar) - newCenter;
-	radius = boundVec.getLength() * 2.0f;
-	// boundVec.getLength();
-	float vvolume = radius * 2.0f;
-
-	float texelsPerUnit = getMapResolution() / vvolume;
-	m4f mTexelScaling;
-	mTexelScaling.setScale(texelsPerUnit);
-
-	m4f mLookAt, mLookAtInv;
-
-	mLookAt.buildCameraLookAtMatrixLH(v3f(0.0f, 0.0f, 0.0f), -direction, v3f(0.0f, 1.0f, 0.0f));
-
-	mLookAt *= mTexelScaling;
-	mLookAtInv = mLookAt;
-	mLookAtInv.makeInverse();
-
-	v3f frustumCenter = newCenter;
-	mLookAt.transformVect(frustumCenter);
-	frustumCenter.X = floorf(frustumCenter.X); // clamp to texel increment
-	frustumCenter.Y = floorf(frustumCenter.Y); // clamp to texel increment
-	frustumCenter.Z = floorf(frustumCenter.Z);
-	mLookAtInv.transformVect(frustumCenter);
-	// probar radius multipliacdor en funcion del I, a menor I mas multiplicador
-	v3f eye_displacement = direction * vvolume;
+	v3f boundVec = (cam_pos_scene + farCorner * sfFar) - center_scene;
+	float radius = boundVec.getLength();
+	float length = radius * 3.0f;
+	v3f eye_displacement = direction * length;
 
 	// we must compute the viewmat with the position - the camera offset
 	// but the future_frustum position must be the actual world position
-	v3f eye = frustumCenter - eye_displacement;
-	future_frustum.position = world_center - eye_displacement;
-	future_frustum.length = vvolume;
-	future_frustum.ViewMat.buildCameraLookAtMatrixLH(eye, frustumCenter, v3f(0.0f, 1.0f, 0.0f));
-	future_frustum.ProjOrthMat.buildProjectionMatrixOrthoLH(future_frustum.length,
-			future_frustum.length, -future_frustum.length,
-			future_frustum.length,false);
+	v3f eye = center_scene - eye_displacement;
+	future_frustum.player = cam_pos_scene;
+	future_frustum.position = center_world - eye_displacement;
+	future_frustum.length = length;
+	future_frustum.radius = radius;
+	future_frustum.ViewMat.buildCameraLookAtMatrixLH(eye, center_scene, v3f(0.0f, 1.0f, 0.0f));
+	future_frustum.ProjOrthMat.buildProjectionMatrixOrthoLH(radius, radius, 
+			0.0f, length, false);
 	future_frustum.camera_offset = cam->getOffset();
 }
 
@@ -112,6 +90,8 @@ void DirectionalLight::update_frustum(const Camera *cam, Client *client, bool fo
 
 	float zNear = cam->getCameraNode()->getNearValue();
 	float zFar = getMaxFarValue();
+	if (!client->getEnv().getClientMap().getControl().range_all)
+		zFar = MYMIN(zFar, client->getEnv().getClientMap().getControl().wanted_range * BS);
 
 	///////////////////////////////////
 	// update splits near and fars
@@ -122,7 +102,7 @@ void DirectionalLight::update_frustum(const Camera *cam, Client *client, bool fo
 	createSplitMatrices(cam);
 	// get the draw list for shadows
 	client->getEnv().getClientMap().updateDrawListShadow(
-			getPosition(), getDirection(), future_frustum.length);
+			getPosition(), getDirection(), future_frustum.radius, future_frustum.length);
 	should_update_map_shadow = true;
 	dirty = true;
 
@@ -132,6 +112,7 @@ void DirectionalLight::update_frustum(const Camera *cam, Client *client, bool fo
 		v3f rotated_offset;
 		shadow_frustum.ViewMat.rotateVect(rotated_offset, intToFloat(cam_offset - shadow_frustum.camera_offset, BS));
 		shadow_frustum.ViewMat.setTranslation(shadow_frustum.ViewMat.getTranslation() + rotated_offset);
+		shadow_frustum.player += intToFloat(shadow_frustum.camera_offset - cam->getOffset(), BS);
 		shadow_frustum.camera_offset = cam_offset;
 	}
 }
@@ -156,6 +137,16 @@ v3f DirectionalLight::getPosition() const
 	return shadow_frustum.position;
 }
 
+v3f DirectionalLight::getPlayerPos() const
+{
+	return shadow_frustum.player;
+}
+
+v3f DirectionalLight::getFuturePlayerPos() const
+{
+	return future_frustum.player;
+}
+
 const m4f &DirectionalLight::getViewMatrix() const
 {
 	return shadow_frustum.ViewMat;
diff --git a/src/client/shadows/dynamicshadows.h b/src/client/shadows/dynamicshadows.h
index d8be66be8..6e9d96b15 100644
--- a/src/client/shadows/dynamicshadows.h
+++ b/src/client/shadows/dynamicshadows.h
@@ -22,18 +22,21 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "irrlichttypes_bloated.h"
 #include <matrix4.h>
 #include "util/basic_macros.h"
+#include "constants.h"
 
 class Camera;
 class Client;
 
 struct shadowFrustum
 {
-	float zNear{0.0f};
-	float zFar{0.0f};
-	float length{0.0f};
+	f32 zNear{0.0f};
+	f32 zFar{0.0f};
+	f32 length{0.0f};
+	f32 radius{0.0f};
 	core::matrix4 ProjOrthMat;
 	core::matrix4 ViewMat;
 	v3f position;
+	v3f player;
 	v3s16 camera_offset;
 };
 
@@ -56,6 +59,8 @@ public:
 		return direction;
 	};
 	v3f getPosition() const;
+	v3f getPlayerPos() const;
+	v3f getFuturePlayerPos() const;
 
 	/// Gets the light's matrices.
 	const core::matrix4 &getViewMatrix() const;
@@ -64,10 +69,16 @@ public:
 	const core::matrix4 &getFutureProjectionMatrix() const;
 	core::matrix4 getViewProjMatrix();
 
-	/// Gets the light's far value.
+	/// Gets the light's maximum far value, i.e. the shadow boundary
 	f32 getMaxFarValue() const
 	{
-		return farPlane;
+		return farPlane * BS;
+	}
+
+	/// Gets the current far value of the light
+	f32 getFarValue() const
+	{
+		return shadow_frustum.zFar;
 	}
 
 
diff --git a/src/client/shadows/dynamicshadowsrender.cpp b/src/client/shadows/dynamicshadowsrender.cpp
index a913a9290..07dc6daf2 100644
--- a/src/client/shadows/dynamicshadowsrender.cpp
+++ b/src/client/shadows/dynamicshadowsrender.cpp
@@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include <cstring>
+#include <cmath>
 #include "client/shadows/dynamicshadowsrender.h"
 #include "client/shadows/shadowsScreenQuad.h"
 #include "client/shadows/shadowsshadercallbacks.h"
@@ -30,12 +31,19 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "profiler.h"
 
 ShadowRenderer::ShadowRenderer(IrrlichtDevice *device, Client *client) :
-		m_device(device), m_smgr(device->getSceneManager()),
-		m_driver(device->getVideoDriver()), m_client(client), m_current_frame(0)
+		m_smgr(device->getSceneManager()), m_driver(device->getVideoDriver()),
+		m_client(client), m_current_frame(0),
+		m_perspective_bias_xy(0.8), m_perspective_bias_z(0.5)
 {
+	(void) m_client;
+
+	m_shadows_supported = true; // assume shadows supported. We will check actual support in initialize
 	m_shadows_enabled = true;
 
-	m_shadow_strength = g_settings->getFloat("shadow_strength");
+	m_shadow_strength_gamma = g_settings->getFloat("shadow_strength_gamma");
+	if (std::isnan(m_shadow_strength_gamma))
+		m_shadow_strength_gamma = 1.0f;
+	m_shadow_strength_gamma = core::clamp(m_shadow_strength_gamma, 0.1f, 10.0f);
 
 	m_shadow_map_max_distance = g_settings->getFloat("shadow_map_max_distance");
 
@@ -49,8 +57,15 @@ ShadowRenderer::ShadowRenderer(IrrlichtDevice *device, Client *client) :
 
 ShadowRenderer::~ShadowRenderer()
 {
+	// call to disable releases dynamically allocated resources
+	disable();
+
 	if (m_shadow_depth_cb)
 		delete m_shadow_depth_cb;
+	if (m_shadow_depth_entity_cb)
+		delete m_shadow_depth_entity_cb;
+	if (m_shadow_depth_trans_cb)
+		delete m_shadow_depth_trans_cb;
 	if (m_shadow_mix_cb)
 		delete m_shadow_mix_cb;
 	m_shadow_node_array.clear();
@@ -72,15 +87,25 @@ ShadowRenderer::~ShadowRenderer()
 		m_driver->removeTexture(shadowMapClientMapFuture);
 }
 
+void ShadowRenderer::disable()
+{
+	m_shadows_enabled = false;
+	if (shadowMapTextureFinal) {
+		m_driver->setRenderTarget(shadowMapTextureFinal, true, true,
+			video::SColor(255, 255, 255, 255));
+		m_driver->setRenderTarget(0, true, true);
+	}
+}
+
 void ShadowRenderer::initialize()
 {
 	auto *gpu = m_driver->getGPUProgrammingServices();
 
 	// we need glsl
-	if (m_shadows_enabled && gpu && m_driver->queryFeature(video::EVDF_ARB_GLSL)) {
+	if (m_shadows_supported && gpu && m_driver->queryFeature(video::EVDF_ARB_GLSL)) {
 		createShaders();
 	} else {
-		m_shadows_enabled = false;
+		m_shadows_supported = false;
 
 		warningstream << "Shadows: GLSL Shader not supported on this system."
 			<< std::endl;
@@ -94,6 +119,8 @@ void ShadowRenderer::initialize()
 	m_texture_format_color = m_shadow_map_texture_32bit
 						 ? video::ECOLOR_FORMAT::ECF_G32R32F
 						 : video::ECOLOR_FORMAT::ECF_G16R16F;
+	
+	m_shadows_enabled &= m_shadows_supported;
 }
 
 
@@ -118,16 +145,21 @@ size_t ShadowRenderer::getDirectionalLightCount() const
 f32 ShadowRenderer::getMaxShadowFar() const
 {
 	if (!m_light_list.empty()) {
-		float wanted_range = m_client->getEnv().getClientMap().getWantedRange();
-
-		float zMax = m_light_list[0].getMaxFarValue() > wanted_range
-					     ? wanted_range
-					     : m_light_list[0].getMaxFarValue();
-		return zMax * MAP_BLOCKSIZE;
+		float zMax = m_light_list[0].getFarValue();
+		return zMax;
 	}
 	return 0.0f;
 }
 
+void ShadowRenderer::setShadowIntensity(float shadow_intensity)
+{
+	m_shadow_strength = pow(shadow_intensity, 1.0f / m_shadow_strength_gamma);
+	if (m_shadow_strength > 1E-2)
+		enable();
+	else
+		disable();
+}
+
 void ShadowRenderer::addNodeToShadowList(
 		scene::ISceneNode *node, E_SHADOW_MODE shadowMode)
 {
@@ -157,6 +189,7 @@ void ShadowRenderer::updateSMTextures()
 		shadowMapTextureDynamicObjects = getSMTexture(
 			std::string("shadow_dynamic_") + itos(m_shadow_map_texture_size),
 			m_texture_format, true);
+		assert(shadowMapTextureDynamicObjects != nullptr);
 	}
 
 	if (!shadowMapClientMap) {
@@ -165,6 +198,7 @@ void ShadowRenderer::updateSMTextures()
 			std::string("shadow_clientmap_") + itos(m_shadow_map_texture_size),
 			m_shadow_map_colored ? m_texture_format_color : m_texture_format,
 			true);
+		assert(shadowMapClientMap != nullptr);
 	}
 
 	if (!shadowMapClientMapFuture && m_map_shadow_update_frames > 1) {
@@ -172,6 +206,7 @@ void ShadowRenderer::updateSMTextures()
 			std::string("shadow_clientmap_bb_") + itos(m_shadow_map_texture_size),
 			m_shadow_map_colored ? m_texture_format_color : m_texture_format,
 			true);
+		assert(shadowMapClientMapFuture != nullptr);
 	}
 
 	if (m_shadow_map_colored && !shadowMapTextureColors) {
@@ -179,6 +214,7 @@ void ShadowRenderer::updateSMTextures()
 			std::string("shadow_colored_") + itos(m_shadow_map_texture_size),
 			m_shadow_map_colored ? m_texture_format_color : m_texture_format,
 			true);
+		assert(shadowMapTextureColors != nullptr);
 	}
 
 	// The merge all shadowmaps texture
@@ -198,6 +234,7 @@ void ShadowRenderer::updateSMTextures()
 		shadowMapTextureFinal = getSMTexture(
 			std::string("shadowmap_final_") + itos(m_shadow_map_texture_size),
 			frt, true);
+		assert(shadowMapTextureFinal != nullptr);
 	}
 
 	if (!m_shadow_node_array.empty() && !m_light_list.empty()) {
@@ -219,9 +256,15 @@ void ShadowRenderer::updateSMTextures()
 		// Update SM incrementally:
 		for (DirectionalLight &light : m_light_list) {
 			// Static shader values.
-			m_shadow_depth_cb->MapRes = (f32)m_shadow_map_texture_size;
-			m_shadow_depth_cb->MaxFar = (f32)m_shadow_map_max_distance * BS;
-
+			for (auto cb : {m_shadow_depth_cb, m_shadow_depth_entity_cb, m_shadow_depth_trans_cb})
+				if (cb) {
+					cb->MapRes = (f32)m_shadow_map_texture_size;
+					cb->MaxFar = (f32)m_shadow_map_max_distance * BS;
+					cb->PerspectiveBiasXY = getPerspectiveBiasXY();
+					cb->PerspectiveBiasZ = getPerspectiveBiasZ();
+					cb->CameraPos = light.getFuturePlayerPos();
+				}
+			
 			// set the Render Target
 			// right now we can only render in usual RTT, not
 			// Depth texture is available in irrlicth maybe we
@@ -274,12 +317,17 @@ void ShadowRenderer::update(video::ITexture *outputTarget)
 
 	updateSMTextures();
 
+	if (shadowMapTextureFinal == nullptr) {
+		return;
+	}
+
 	if (!m_shadow_node_array.empty() && !m_light_list.empty()) {
 
 		for (DirectionalLight &light : m_light_list) {
-			// Static shader values.
-			m_shadow_depth_cb->MapRes = (f32)m_shadow_map_texture_size;
-			m_shadow_depth_cb->MaxFar = (f32)m_shadow_map_max_distance * BS;
+			// Static shader values for entities are set in updateSMTextures
+			// SM texture for entities is not updated incrementally and 
+			// must by updated using current player position.
+			m_shadow_depth_entity_cb->CameraPos = light.getPlayerPos();
 
 			// render shadows for the n0n-map objects.
 			m_driver->setRenderTarget(shadowMapTextureDynamicObjects, true,
@@ -311,19 +359,23 @@ void ShadowRenderer::drawDebug()
 	/* this code just shows shadows textures in screen and in ONLY for debugging*/
 	#if 0
 	// this is debug, ignore for now.
-	m_driver->draw2DImage(shadowMapTextureFinal,
-			core::rect<s32>(0, 50, 128, 128 + 50),
-			core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize()));
+	if (shadowMapTextureFinal)
+		m_driver->draw2DImage(shadowMapTextureFinal,
+				core::rect<s32>(0, 50, 128, 128 + 50),
+				core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize()));
 
-	m_driver->draw2DImage(shadowMapClientMap,
-			core::rect<s32>(0, 50 + 128, 128, 128 + 50 + 128),
-			core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize()));
-	m_driver->draw2DImage(shadowMapTextureDynamicObjects,
-			core::rect<s32>(0, 128 + 50 + 128, 128,
-					128 + 50 + 128 + 128),
-			core::rect<s32>({0, 0}, shadowMapTextureDynamicObjects->getSize()));
+	if (shadowMapClientMap)
+		m_driver->draw2DImage(shadowMapClientMap,
+				core::rect<s32>(0, 50 + 128, 128, 128 + 50 + 128),
+				core::rect<s32>({0, 0}, shadowMapTextureFinal->getSize()));
+	
+	if (shadowMapTextureDynamicObjects)
+		m_driver->draw2DImage(shadowMapTextureDynamicObjects,
+				core::rect<s32>(0, 128 + 50 + 128, 128,
+						128 + 50 + 128 + 128),
+				core::rect<s32>({0, 0}, shadowMapTextureDynamicObjects->getSize()));
 
-	if (m_shadow_map_colored) {
+	if (m_shadow_map_colored && shadowMapTextureColors) {
 
 		m_driver->draw2DImage(shadowMapTextureColors,
 				core::rect<s32>(128,128 + 50 + 128 + 128,
@@ -368,10 +420,6 @@ void ShadowRenderer::renderShadowMap(video::ITexture *target,
 
 		material.BackfaceCulling = false;
 		material.FrontfaceCulling = true;
-		material.PolygonOffsetFactor = 4.0f;
-		material.PolygonOffsetDirection = video::EPO_BACK;
-		//material.PolygonOffsetDepthBias = 1.0f/4.0f;
-		//material.PolygonOffsetSlopeScale = -1.f;
 
 		if (m_shadow_map_colored && pass != scene::ESNRP_SOLID) {
 			material.MaterialType = (video::E_MATERIAL_TYPE) depth_shader_trans;
@@ -381,9 +429,6 @@ void ShadowRenderer::renderShadowMap(video::ITexture *target,
 			material.BlendOperation = video::EBO_MIN;
 		}
 
-		// FIXME: I don't think this is needed here
-		map_node->OnAnimate(m_device->getTimer()->getTime());
-
 		m_driver->setTransform(video::ETS_WORLD,
 				map_node->getAbsoluteTransformation());
 
@@ -429,10 +474,6 @@ void ShadowRenderer::renderShadowObjects(
 
 			current_mat.BackfaceCulling = true;
 			current_mat.FrontfaceCulling = false;
-			current_mat.PolygonOffsetFactor = 1.0f/2048.0f;
-			current_mat.PolygonOffsetDirection = video::EPO_BACK;
-			//current_mat.PolygonOffsetDepthBias = 1.0 * 2.8e-6;
-			//current_mat.PolygonOffsetSlopeScale = -1.f;
 		}
 
 		m_driver->setTransform(video::ETS_WORLD,
@@ -473,13 +514,13 @@ void ShadowRenderer::createShaders()
 	if (depth_shader == -1) {
 		std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass1_vertex.glsl");
 		if (depth_shader_vs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error shadow mapping vs shader not found." << std::endl;
 			return;
 		}
 		std::string depth_shader_fs = getShaderPath("shadow_shaders", "pass1_fragment.glsl");
 		if (depth_shader_fs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error shadow mapping fs shader not found." << std::endl;
 			return;
 		}
@@ -494,7 +535,9 @@ void ShadowRenderer::createShaders()
 		if (depth_shader == -1) {
 			// upsi, something went wrong loading shader.
 			delete m_shadow_depth_cb;
+			m_shadow_depth_cb = nullptr;
 			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error compiling shadow mapping shader." << std::endl;
 			return;
 		}
@@ -510,26 +553,30 @@ void ShadowRenderer::createShaders()
 	if (depth_shader_entities == -1) {
 		std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass1_vertex.glsl");
 		if (depth_shader_vs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error shadow mapping vs shader not found." << std::endl;
 			return;
 		}
 		std::string depth_shader_fs = getShaderPath("shadow_shaders", "pass1_fragment.glsl");
 		if (depth_shader_fs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error shadow mapping fs shader not found." << std::endl;
 			return;
 		}
+		m_shadow_depth_entity_cb = new ShadowDepthShaderCB();
 
 		depth_shader_entities = gpu->addHighLevelShaderMaterial(
 				readShaderFile(depth_shader_vs).c_str(), "vertexMain",
 				video::EVST_VS_1_1,
 				readShaderFile(depth_shader_fs).c_str(), "pixelMain",
-				video::EPST_PS_1_2, m_shadow_depth_cb);
+				video::EPST_PS_1_2, m_shadow_depth_entity_cb);
 
 		if (depth_shader_entities == -1) {
 			// upsi, something went wrong loading shader.
+			delete m_shadow_depth_entity_cb;
+			m_shadow_depth_entity_cb = nullptr;
 			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error compiling shadow mapping shader (dynamic)." << std::endl;
 			return;
 		}
@@ -543,14 +590,14 @@ void ShadowRenderer::createShaders()
 	if (mixcsm_shader == -1) {
 		std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass2_vertex.glsl");
 		if (depth_shader_vs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error cascade shadow mapping fs shader not found." << std::endl;
 			return;
 		}
 
 		std::string depth_shader_fs = getShaderPath("shadow_shaders", "pass2_fragment.glsl");
 		if (depth_shader_fs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error cascade shadow mapping fs shader not found." << std::endl;
 			return;
 		}
@@ -569,7 +616,7 @@ void ShadowRenderer::createShaders()
 			// upsi, something went wrong loading shader.
 			delete m_shadow_mix_cb;
 			delete m_screen_quad;
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error compiling cascade shadow mapping shader." << std::endl;
 			return;
 		}
@@ -583,13 +630,13 @@ void ShadowRenderer::createShaders()
 	if (m_shadow_map_colored && depth_shader_trans == -1) {
 		std::string depth_shader_vs = getShaderPath("shadow_shaders", "pass1_trans_vertex.glsl");
 		if (depth_shader_vs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error shadow mapping vs shader not found." << std::endl;
 			return;
 		}
 		std::string depth_shader_fs = getShaderPath("shadow_shaders", "pass1_trans_fragment.glsl");
 		if (depth_shader_fs.empty()) {
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error shadow mapping fs shader not found." << std::endl;
 			return;
 		}
@@ -604,8 +651,9 @@ void ShadowRenderer::createShaders()
 		if (depth_shader_trans == -1) {
 			// upsi, something went wrong loading shader.
 			delete m_shadow_depth_trans_cb;
+			m_shadow_depth_trans_cb = nullptr;
 			m_shadow_map_colored = false;
-			m_shadows_enabled = false;
+			m_shadows_supported = false;
 			errorstream << "Error compiling colored shadow mapping shader." << std::endl;
 			return;
 		}
diff --git a/src/client/shadows/dynamicshadowsrender.h b/src/client/shadows/dynamicshadowsrender.h
index e4b3c3e22..0e4ef6b70 100644
--- a/src/client/shadows/dynamicshadowsrender.h
+++ b/src/client/shadows/dynamicshadowsrender.h
@@ -82,13 +82,17 @@ public:
 	}
 
 
-	bool is_active() const { return m_shadows_enabled; }
+	bool is_active() const { return m_shadows_enabled && shadowMapTextureFinal != nullptr; }
 	void setTimeOfDay(float isDay) { m_time_day = isDay; };
+	void setShadowIntensity(float shadow_intensity);
 
 	s32 getShadowSamples() const { return m_shadow_samples; }
-	float getShadowStrength() const { return m_shadow_strength; }
+	float getShadowStrength() const { return m_shadows_enabled ? m_shadow_strength : 0.0f; }
 	float getTimeOfDay() const { return m_time_day; }
 
+	f32 getPerspectiveBiasXY() { return m_perspective_bias_xy; }
+	f32 getPerspectiveBiasZ() { return m_perspective_bias_z; }
+
 private:
 	video::ITexture *getSMTexture(const std::string &shadow_map_name,
 			video::ECOLOR_FORMAT texture_format,
@@ -101,8 +105,10 @@ private:
 	void mixShadowsQuad();
 	void updateSMTextures();
 
+	void disable();
+	void enable() { m_shadows_enabled = m_shadows_supported; }
+
 	// a bunch of variables
-	IrrlichtDevice *m_device{nullptr};
 	scene::ISceneManager *m_smgr{nullptr};
 	video::IVideoDriver *m_driver{nullptr};
 	Client *m_client{nullptr};
@@ -116,15 +122,19 @@ private:
 	std::vector<NodeToApply> m_shadow_node_array;
 
 	float m_shadow_strength;
+	float m_shadow_strength_gamma;
 	float m_shadow_map_max_distance;
 	float m_shadow_map_texture_size;
 	float m_time_day{0.0f};
 	int m_shadow_samples;
 	bool m_shadow_map_texture_32bit;
 	bool m_shadows_enabled;
+	bool m_shadows_supported;
 	bool m_shadow_map_colored;
 	u8 m_map_shadow_update_frames; /* Use this number of frames to update map shaodw */
 	u8 m_current_frame{0}; /* Current frame */
+	f32 m_perspective_bias_xy;
+	f32 m_perspective_bias_z;
 
 	video::ECOLOR_FORMAT m_texture_format{video::ECOLOR_FORMAT::ECF_R16F};
 	video::ECOLOR_FORMAT m_texture_format_color{video::ECOLOR_FORMAT::ECF_R16G16};
@@ -140,6 +150,7 @@ private:
 	s32 mixcsm_shader{-1};
 
 	ShadowDepthShaderCB *m_shadow_depth_cb{nullptr};
+	ShadowDepthShaderCB *m_shadow_depth_entity_cb{nullptr};
 	ShadowDepthShaderCB *m_shadow_depth_trans_cb{nullptr};
 
 	shadowScreenQuad *m_screen_quad{nullptr};
diff --git a/src/client/shadows/shadowsshadercallbacks.cpp b/src/client/shadows/shadowsshadercallbacks.cpp
index 65a63f49c..b571ea939 100644
--- a/src/client/shadows/shadowsshadercallbacks.cpp
+++ b/src/client/shadows/shadowsshadercallbacks.cpp
@@ -26,6 +26,10 @@ void ShadowDepthShaderCB::OnSetConstants(
 
 	core::matrix4 lightMVP = driver->getTransform(video::ETS_PROJECTION);
 	lightMVP *= driver->getTransform(video::ETS_VIEW);
+
+	f32 cam_pos[4];
+	lightMVP.transformVect(cam_pos, CameraPos);
+
 	lightMVP *= driver->getTransform(video::ETS_WORLD);
 
 	m_light_mvp_setting.set(lightMVP.pointer(), services);
@@ -33,4 +37,12 @@ void ShadowDepthShaderCB::OnSetConstants(
 	m_max_far_setting.set(&MaxFar, services);
 	s32 TextureId = 0;
 	m_color_map_sampler_setting.set(&TextureId, services);
+	f32 bias0 = PerspectiveBiasXY;
+	m_perspective_bias0.set(&bias0, services);
+	f32 bias1 = 1.0f - bias0 + 1e-5f;
+	m_perspective_bias1.set(&bias1, services);
+	f32 zbias = PerspectiveBiasZ;
+	m_perspective_zbias.set(&zbias, services);
+
+	m_cam_pos_setting.set(cam_pos, services);
 }
diff --git a/src/client/shadows/shadowsshadercallbacks.h b/src/client/shadows/shadowsshadercallbacks.h
index 3549567c3..87833c0ec 100644
--- a/src/client/shadows/shadowsshadercallbacks.h
+++ b/src/client/shadows/shadowsshadercallbacks.h
@@ -30,7 +30,11 @@ public:
 			m_light_mvp_setting("LightMVP"),
 			m_map_resolution_setting("MapResolution"),
 			m_max_far_setting("MaxFar"),
-			m_color_map_sampler_setting("ColorMapSampler")
+			m_color_map_sampler_setting("ColorMapSampler"),
+			m_perspective_bias0("xyPerspectiveBias0"),
+			m_perspective_bias1("xyPerspectiveBias1"),
+			m_perspective_zbias("zPerspectiveBias"),
+			m_cam_pos_setting("CameraPos")
 	{}
 
 	void OnSetMaterial(const video::SMaterial &material) override {}
@@ -39,10 +43,16 @@ public:
 			s32 userData) override;
 
 	f32 MaxFar{2048.0f}, MapRes{1024.0f};
+	f32 PerspectiveBiasXY {0.9f}, PerspectiveBiasZ {0.5f};
+	v3f CameraPos;
 
 private:
 	CachedVertexShaderSetting<f32, 16> m_light_mvp_setting;
 	CachedVertexShaderSetting<f32> m_map_resolution_setting;
 	CachedVertexShaderSetting<f32> m_max_far_setting;
 	CachedPixelShaderSetting<s32> m_color_map_sampler_setting;
+	CachedVertexShaderSetting<f32> m_perspective_bias0;
+	CachedVertexShaderSetting<f32> m_perspective_bias1;
+	CachedVertexShaderSetting<f32> m_perspective_zbias;
+	CachedVertexShaderSetting<f32, 4> m_cam_pos_setting;
 };
diff --git a/src/client/sky.cpp b/src/client/sky.cpp
index 1cf9a4afc..0ab710eee 100644
--- a/src/client/sky.cpp
+++ b/src/client/sky.cpp
@@ -18,21 +18,21 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include <cmath>
 #include "sky.h"
-#include "ITexture.h"
-#include "IVideoDriver.h"
-#include "ISceneManager.h"
-#include "ICameraSceneNode.h"
-#include "S3DVertex.h"
+#include <ITexture.h>
+#include <IVideoDriver.h>
+#include <ISceneManager.h>
+#include <ICameraSceneNode.h>
+#include <S3DVertex.h>
 #include "client/tile.h"
 #include "noise.h" // easeCurve
 #include "profiler.h"
 #include "util/numeric.h"
-#include <cmath>
 #include "client/renderingengine.h"
 #include "settings.h"
 #include "camera.h" // CameraModes
-#include "config.h"
+
 using namespace irr::core;
 
 static video::SMaterial baseMaterial()
@@ -51,7 +51,14 @@ static video::SMaterial baseMaterial()
 	mat.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
 	mat.BackfaceCulling = false;
 	return mat;
-};
+}
+
+static inline void disableTextureFiltering(video::SMaterial &mat)
+{
+	mat.setFlag(video::E_MATERIAL_FLAG::EMF_BILINEAR_FILTER, false);
+	mat.setFlag(video::E_MATERIAL_FLAG::EMF_TRILINEAR_FILTER, false);
+	mat.setFlag(video::E_MATERIAL_FLAG::EMF_ANISOTROPIC_FILTER, false);
+}
 
 Sky::Sky(s32 id, RenderingEngine *rendering_engine, ITextureSource *tsrc, IShaderSource *ssrc) :
 		scene::ISceneNode(rendering_engine->get_scene_manager()->getRootSceneNode(),
@@ -65,6 +72,11 @@ Sky::Sky(s32 id, RenderingEngine *rendering_engine, ITextureSource *tsrc, IShade
 
 	m_enable_shaders = g_settings->getBool("enable_shaders");
 
+	m_sky_params = SkyboxDefaults::getSkyDefaults();
+	m_sun_params = SkyboxDefaults::getSunDefaults();
+	m_moon_params = SkyboxDefaults::getMoonDefaults();
+	m_star_params = SkyboxDefaults::getStarDefaults();
+
 	// Create materials
 
 	m_materials[0] = baseMaterial();
@@ -73,49 +85,15 @@ Sky::Sky(s32 id, RenderingEngine *rendering_engine, ITextureSource *tsrc, IShade
 	m_materials[0].ColorMaterial = video::ECM_NONE;
 
 	m_materials[1] = baseMaterial();
-	//m_materials[1].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
 	m_materials[1].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 
 	m_materials[2] = baseMaterial();
 	m_materials[2].setTexture(0, tsrc->getTextureForMesh("sunrisebg.png"));
 	m_materials[2].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
-	//m_materials[2].MaterialType = video::EMT_TRANSPARENT_ADD_COLOR;
-
-	// Ensures that sun and moon textures and tonemaps are correct.
-	setSkyDefaults();
-	m_sun_texture = tsrc->isKnownSourceImage(m_sun_params.texture) ?
-		tsrc->getTextureForMesh(m_sun_params.texture) : nullptr;
-	m_moon_texture = tsrc->isKnownSourceImage(m_moon_params.texture) ?
-		tsrc->getTextureForMesh(m_moon_params.texture) : nullptr;
-	m_sun_tonemap = tsrc->isKnownSourceImage(m_sun_params.tonemap) ?
-		tsrc->getTexture(m_sun_params.tonemap) : nullptr;
-	m_moon_tonemap = tsrc->isKnownSourceImage(m_moon_params.tonemap) ?
-		tsrc->getTexture(m_moon_params.tonemap) : nullptr;
 
-	if (m_sun_texture) {
-		m_materials[3] = baseMaterial();
-		m_materials[3].setTexture(0, m_sun_texture);
-		m_materials[3].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
-		// Disables texture filtering
-		m_materials[3].setFlag(video::E_MATERIAL_FLAG::EMF_BILINEAR_FILTER, false);
-		m_materials[3].setFlag(video::E_MATERIAL_FLAG::EMF_TRILINEAR_FILTER, false);
-		m_materials[3].setFlag(video::E_MATERIAL_FLAG::EMF_ANISOTROPIC_FILTER, false);
-		// Use tonemaps if available
-		if (m_sun_tonemap)
-			m_materials[3].Lighting = true;
-	}
-	if (m_moon_texture) {
-		m_materials[4] = baseMaterial();
-		m_materials[4].setTexture(0, m_moon_texture);
-		m_materials[4].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
-		// Disables texture filtering
-		m_materials[4].setFlag(video::E_MATERIAL_FLAG::EMF_BILINEAR_FILTER, false);
-		m_materials[4].setFlag(video::E_MATERIAL_FLAG::EMF_TRILINEAR_FILTER, false);
-		m_materials[4].setFlag(video::E_MATERIAL_FLAG::EMF_ANISOTROPIC_FILTER, false);
-		// Use tonemaps if available
-		if (m_moon_tonemap)
-			m_materials[4].Lighting = true;
-	}
+	setSunTexture(m_sun_params.texture, m_sun_params.tonemap, tsrc);
+
+	setMoonTexture(m_moon_params.texture, m_moon_params.tonemap, tsrc);
 
 	for (int i = 5; i < 11; i++) {
 		m_materials[i] = baseMaterial();
@@ -130,7 +108,7 @@ Sky::Sky(s32 id, RenderingEngine *rendering_engine, ITextureSource *tsrc, IShade
 		m_sky_body_orbit_tilt = rangelim(val, 0.0f, 60.0f);
 	}
 
-	setStarCount(1000, true);
+	setStarCount(1000);
 }
 
 void Sky::OnRegisterSceneNode()
@@ -386,20 +364,6 @@ void Sky::update(float time_of_day, float time_brightness,
 
 	bool is_dawn = (time_brightness >= 0.20 && time_brightness < 0.35);
 
-	/*
-	Development colours
-
-	video::SColorf bgcolor_bright_normal_f(170. / 255, 200. / 255, 230. / 255, 1.0);
-	video::SColorf bgcolor_bright_dawn_f(0.666, 200. / 255 * 0.7, 230. / 255 * 0.5, 1.0);
-	video::SColorf bgcolor_bright_dawn_f(0.666, 0.549, 0.220, 1.0);
-	video::SColorf bgcolor_bright_dawn_f(0.666 * 1.2, 0.549 * 1.0, 0.220 * 1.0, 1.0);
-	video::SColorf bgcolor_bright_dawn_f(0.666 * 1.2, 0.549 * 1.0, 0.220 * 1.2, 1.0);
-
-	video::SColorf cloudcolor_bright_dawn_f(1.0, 0.591, 0.4);
-	video::SColorf cloudcolor_bright_dawn_f(1.0, 0.65, 0.44);
-	video::SColorf cloudcolor_bright_dawn_f(1.0, 0.7, 0.5);
-	*/
-
 	video::SColorf bgcolor_bright_normal_f = m_sky_params.sky_color.day_horizon;
 	video::SColorf bgcolor_bright_indoor_f = m_sky_params.sky_color.indoors;
 	video::SColorf bgcolor_bright_dawn_f = m_sky_params.sky_color.dawn_horizon;
@@ -754,33 +718,29 @@ void Sky::setSunTexture(const std::string &sun_texture,
 	// Ignore matching textures (with modifiers) entirely,
 	// but lets at least update the tonemap before hand.
 	m_sun_params.tonemap = sun_tonemap;
-	m_sun_tonemap = tsrc->isKnownSourceImage(m_sun_params.tonemap) ?
-		tsrc->getTexture(m_sun_params.tonemap) : nullptr;
+	m_sun_tonemap = tsrc->isKnownSourceImage(sun_tonemap) ?
+		tsrc->getTexture(sun_tonemap) : nullptr;
 	m_materials[3].Lighting = !!m_sun_tonemap;
 
-	if (m_sun_params.texture == sun_texture)
+	if (m_sun_params.texture == sun_texture && !m_first_update)
 		return;
 	m_sun_params.texture = sun_texture;
 
-	if (sun_texture != "") {
-		// We want to ensure the texture exists first.
-		m_sun_texture = tsrc->getTextureForMesh(m_sun_params.texture);
-
-		if (m_sun_texture) {
-			m_materials[3] = baseMaterial();
-			m_materials[3].setTexture(0, m_sun_texture);
-			m_materials[3].MaterialType = video::
-				EMT_TRANSPARENT_ALPHA_CHANNEL;
-			// Disables texture filtering
-			m_materials[3].setFlag(
-				video::E_MATERIAL_FLAG::EMF_BILINEAR_FILTER, false);
-			m_materials[3].setFlag(
-				video::E_MATERIAL_FLAG::EMF_TRILINEAR_FILTER, false);
-			m_materials[3].setFlag(
-				video::E_MATERIAL_FLAG::EMF_ANISOTROPIC_FILTER, false);
-		}
-	} else {
-		m_sun_texture = nullptr;
+	m_sun_texture = nullptr;
+	if (sun_texture == "sun.png") {
+		// Dumb compatibility fix: sun.png transparently falls back to no texture
+		m_sun_texture = tsrc->isKnownSourceImage(sun_texture) ?
+			tsrc->getTexture(sun_texture) : nullptr;
+	} else if (!sun_texture.empty()) {
+		m_sun_texture = tsrc->getTextureForMesh(sun_texture);
+	}
+
+	if (m_sun_texture) {
+		m_materials[3] = baseMaterial();
+		m_materials[3].setTexture(0, m_sun_texture);
+		m_materials[3].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+		disableTextureFiltering(m_materials[3]);
+		m_materials[3].Lighting = !!m_sun_tonemap;
 	}
 }
 
@@ -802,40 +762,36 @@ void Sky::setMoonTexture(const std::string &moon_texture,
 	// Ignore matching textures (with modifiers) entirely,
 	// but lets at least update the tonemap before hand.
 	m_moon_params.tonemap = moon_tonemap;
-	m_moon_tonemap = tsrc->isKnownSourceImage(m_moon_params.tonemap) ?
-		tsrc->getTexture(m_moon_params.tonemap) : nullptr;
+	m_moon_tonemap = tsrc->isKnownSourceImage(moon_tonemap) ?
+		tsrc->getTexture(moon_tonemap) : nullptr;
 	m_materials[4].Lighting = !!m_moon_tonemap;
 
-	if (m_moon_params.texture == moon_texture)
+	if (m_moon_params.texture == moon_texture && !m_first_update)
 		return;
 	m_moon_params.texture = moon_texture;
 
-	if (moon_texture != "") {
-		// We want to ensure the texture exists first.
-		m_moon_texture = tsrc->getTextureForMesh(m_moon_params.texture);
-
-		if (m_moon_texture) {
-			m_materials[4] = baseMaterial();
-			m_materials[4].setTexture(0, m_moon_texture);
-			m_materials[4].MaterialType = video::
-				EMT_TRANSPARENT_ALPHA_CHANNEL;
-			// Disables texture filtering
-			m_materials[4].setFlag(
-				video::E_MATERIAL_FLAG::EMF_BILINEAR_FILTER, false);
-			m_materials[4].setFlag(
-				video::E_MATERIAL_FLAG::EMF_TRILINEAR_FILTER, false);
-			m_materials[4].setFlag(
-				video::E_MATERIAL_FLAG::EMF_ANISOTROPIC_FILTER, false);
-		}
-	} else {
-		m_moon_texture = nullptr;
+	m_moon_texture = nullptr;
+	if (moon_texture == "moon.png") {
+		// Dumb compatibility fix: moon.png transparently falls back to no texture
+		m_moon_texture = tsrc->isKnownSourceImage(moon_texture) ?
+			tsrc->getTexture(moon_texture) : nullptr;
+	} else if (!moon_texture.empty()) {
+		m_moon_texture = tsrc->getTextureForMesh(moon_texture);
+	}
+
+	if (m_moon_texture) {
+		m_materials[4] = baseMaterial();
+		m_materials[4].setTexture(0, m_moon_texture);
+		m_materials[4].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+		disableTextureFiltering(m_materials[4]);
+		m_materials[4].Lighting = !!m_moon_tonemap;
 	}
 }
 
-void Sky::setStarCount(u16 star_count, bool force_update)
+void Sky::setStarCount(u16 star_count)
 {
 	// Allow force updating star count at game init.
-	if (m_star_params.count != star_count || force_update) {
+	if (m_star_params.count != star_count || m_first_update) {
 		m_star_params.count = star_count;
 		updateStars();
 	}
@@ -924,16 +880,6 @@ void Sky::addTextureToSkybox(const std::string &texture, int material_id,
 	m_materials[material_id+5].MaterialType = video::EMT_SOLID;
 }
 
-// To be called once at game init to setup default values.
-void Sky::setSkyDefaults()
-{
-	SkyboxDefaults sky_defaults;
-	m_sky_params.sky_color = sky_defaults.getSkyColorDefaults();
-	m_sun_params = sky_defaults.getSunDefaults();
-	m_moon_params = sky_defaults.getMoonDefaults();
-	m_star_params = sky_defaults.getStarDefaults();
-}
-
 float getWickedTimeOfDay(float time_of_day)
 {
 	float nightlength = 0.415f;
diff --git a/src/client/sky.h b/src/client/sky.h
index 83106453b..e03683f12 100644
--- a/src/client/sky.h
+++ b/src/client/sky.h
@@ -17,6 +17,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#pragma once
+
 #include "irrlichttypes_extrabloated.h"
 #include <ISceneNode.h>
 #include <array>
@@ -25,8 +27,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "shader.h"
 #include "skyparams.h"
 
-#pragma once
-
 #define SKY_MATERIAL_COUNT 12
 
 class ITextureSource;
@@ -65,6 +65,7 @@ public:
 	}
 
 	void setSunVisible(bool sun_visible) { m_sun_params.visible = sun_visible; }
+	bool getSunVisible() const { return m_sun_params.visible; }
 	void setSunTexture(const std::string &sun_texture,
 		const std::string &sun_tonemap, ITextureSource *tsrc);
 	void setSunScale(f32 sun_scale) { m_sun_params.scale = sun_scale; }
@@ -72,12 +73,13 @@ public:
 	void setSunriseTexture(const std::string &sunglow_texture, ITextureSource* tsrc);
 
 	void setMoonVisible(bool moon_visible) { m_moon_params.visible = moon_visible; }
+	bool getMoonVisible() const { return m_moon_params.visible; }
 	void setMoonTexture(const std::string &moon_texture,
 		const std::string &moon_tonemap, ITextureSource *tsrc);
 	void setMoonScale(f32 moon_scale) { m_moon_params.scale = moon_scale; }
 
 	void setStarsVisible(bool stars_visible) { m_star_params.visible = stars_visible; }
-	void setStarCount(u16 star_count, bool force_update);
+	void setStarCount(u16 star_count);
 	void setStarColor(video::SColor star_color) { m_star_params.starcolor = star_color; }
 	void setStarScale(f32 star_scale) { m_star_params.scale = star_scale; updateStars(); }
 
@@ -150,7 +152,7 @@ private:
 	bool m_visible = true;
 	// Used when m_visible=false
 	video::SColor m_fallback_bg_color = video::SColor(255, 255, 255, 255);
-	bool m_first_update = true;
+	bool m_first_update = true; // Set before the sky is updated for the first time
 	float m_time_of_day;
 	float m_time_brightness;
 	bool m_sunlight_seen;
@@ -206,7 +208,6 @@ private:
 	void draw_stars(video::IVideoDriver *driver, float wicked_time_of_day);
 	void place_sky_body(std::array<video::S3DVertex, 4> &vertices,
 		float horizon_position,	float day_position);
-	void setSkyDefaults();
 };
 
 // calculates value for sky body positions for the given observed time of day
diff --git a/src/client/tile.cpp b/src/client/tile.cpp
index a31e3aca1..aa78c50f0 100644
--- a/src/client/tile.cpp
+++ b/src/client/tile.cpp
@@ -33,6 +33,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "imagefilters.h"
 #include "guiscalingfilter.h"
 #include "renderingengine.h"
+#include "util/base64.h"
 
 /*
 	A cache from texture name to texture path
@@ -762,6 +763,9 @@ void TextureSource::rebuildImagesAndTextures()
 
 	// Recreate textures
 	for (TextureInfo &ti : m_textureinfo_cache) {
+		if (ti.name.empty())
+			continue; // Skip dummy entry
+
 		video::IImage *img = generateImage(ti.name);
 #if ENABLE_GLES
 		img = Align2Npot2(img, driver);
@@ -1056,6 +1060,45 @@ static std::string unescape_string(const std::string &str, const char esc = '\\'
 	return out;
 }
 
+void blitBaseImage(video::IImage* &src, video::IImage* &dst)
+{
+	//infostream<<"Blitting "<<part_of_name<<" on base"<<std::endl;
+	// Size of the copied area
+	core::dimension2d<u32> dim = src->getDimension();
+	//core::dimension2d<u32> dim(16,16);
+	// Position to copy the blitted to in the base image
+	core::position2d<s32> pos_to(0,0);
+	// Position to copy the blitted from in the blitted image
+	core::position2d<s32> pos_from(0,0);
+	// Blit
+	/*image->copyToWithAlpha(baseimg, pos_to,
+			core::rect<s32>(pos_from, dim),
+			video::SColor(255,255,255,255),
+			NULL);*/
+
+	core::dimension2d<u32> dim_dst = dst->getDimension();
+	if (dim == dim_dst) {
+		blit_with_alpha(src, dst, pos_from, pos_to, dim);
+	} else if (dim.Width * dim.Height < dim_dst.Width * dim_dst.Height) {
+		// Upscale overlying image
+		video::IImage *scaled_image = RenderingEngine::get_video_driver()->
+			createImage(video::ECF_A8R8G8B8, dim_dst);
+		src->copyToScaling(scaled_image);
+
+		blit_with_alpha(scaled_image, dst, pos_from, pos_to, dim_dst);
+		scaled_image->drop();
+	} else {
+		// Upscale base image
+		video::IImage *scaled_base = RenderingEngine::get_video_driver()->
+			createImage(video::ECF_A8R8G8B8, dim);
+		dst->copyToScaling(scaled_base);
+		dst->drop();
+		dst = scaled_base;
+
+		blit_with_alpha(src, dst, pos_from, pos_to, dim);
+	}
+}
+
 bool TextureSource::generateImagePart(std::string part_of_name,
 		video::IImage *& baseimg)
 {
@@ -1066,9 +1109,6 @@ bool TextureSource::generateImagePart(std::string part_of_name,
 	// Stuff starting with [ are special commands
 	if (part_of_name.empty() || part_of_name[0] != '[') {
 		video::IImage *image = m_sourcecache.getOrLoad(part_of_name);
-#if ENABLE_GLES
-		image = Align2Npot2(image, driver);
-#endif
 		if (image == NULL) {
 			if (!part_of_name.empty()) {
 
@@ -1119,41 +1159,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
 		// Else blit on base.
 		else
 		{
-			//infostream<<"Blitting "<<part_of_name<<" on base"<<std::endl;
-			// Size of the copied area
-			core::dimension2d<u32> dim = image->getDimension();
-			//core::dimension2d<u32> dim(16,16);
-			// Position to copy the blitted to in the base image
-			core::position2d<s32> pos_to(0,0);
-			// Position to copy the blitted from in the blitted image
-			core::position2d<s32> pos_from(0,0);
-			// Blit
-			/*image->copyToWithAlpha(baseimg, pos_to,
-					core::rect<s32>(pos_from, dim),
-					video::SColor(255,255,255,255),
-					NULL);*/
-
-			core::dimension2d<u32> dim_dst = baseimg->getDimension();
-			if (dim == dim_dst) {
-				blit_with_alpha(image, baseimg, pos_from, pos_to, dim);
-			} else if (dim.Width * dim.Height < dim_dst.Width * dim_dst.Height) {
-				// Upscale overlying image
-				video::IImage *scaled_image = RenderingEngine::get_video_driver()->
-					createImage(video::ECF_A8R8G8B8, dim_dst);
-				image->copyToScaling(scaled_image);
-
-				blit_with_alpha(scaled_image, baseimg, pos_from, pos_to, dim_dst);
-				scaled_image->drop();
-			} else {
-				// Upscale base image
-				video::IImage *scaled_base = RenderingEngine::get_video_driver()->
-					createImage(video::ECF_A8R8G8B8, dim);
-				baseimg->copyToScaling(scaled_base);
-				baseimg->drop();
-				baseimg = scaled_base;
-
-				blit_with_alpha(image, baseimg, pos_from, pos_to, dim);
-			}
+			blitBaseImage(image, baseimg);
 		}
 		//cleanup
 		image->drop();
@@ -1781,6 +1787,43 @@ bool TextureSource::generateImagePart(std::string part_of_name,
 			baseimg->drop();
 			baseimg = img;
 		}
+		/*
+			[png:base64
+			Decodes a PNG image in base64 form.
+			Use minetest.encode_png and minetest.encode_base64
+			to produce a valid string.
+		*/
+		else if (str_starts_with(part_of_name, "[png:")) {
+			Strfnd sf(part_of_name);
+			sf.next(":");
+			std::string png;
+			{
+				std::string blob = sf.next("");
+				if (!base64_is_valid(blob)) {
+					errorstream << "generateImagePart(): "
+								<< "malformed base64 in '[png'"
+								<< std::endl;
+					return false;
+				}
+				png = base64_decode(blob);
+			}
+
+			auto *device = RenderingEngine::get_raw_device();
+			auto *fs = device->getFileSystem();
+			auto *vd = device->getVideoDriver();
+			auto *memfile = fs->createMemoryReadFile(png.data(), png.size(), "__temp_png");
+			video::IImage* pngimg = vd->createImageFromFile(memfile);
+			memfile->drop();
+
+			if (baseimg) {
+				blitBaseImage(pngimg, baseimg);
+			} else {
+				core::dimension2d<u32> dim = pngimg->getDimension();
+				baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
+				pngimg->copyTo(baseimg);
+			}
+			pngimg->drop();
+		}
 		else
 		{
 			errorstream << "generateImagePart(): Invalid "
@@ -2183,6 +2226,48 @@ video::ITexture* TextureSource::getNormalTexture(const std::string &name)
 	return NULL;
 }
 
+namespace {
+	// For more colourspace transformations, see for example
+	// https://github.com/tobspr/GLSL-Color-Spaces/blob/master/ColorSpaces.inc.glsl
+
+	inline float linear_to_srgb_component(float v)
+	{
+		if (v > 0.0031308f)
+			return 1.055f * powf(v, 1.0f / 2.4f) - 0.055f;
+		return 12.92f * v;
+	}
+	inline float srgb_to_linear_component(float v)
+	{
+		if (v > 0.04045f)
+			return powf((v + 0.055f) / 1.055f, 2.4f);
+		return v / 12.92f;
+	}
+
+	v3f srgb_to_linear(const video::SColor &col_srgb)
+	{
+		v3f col(col_srgb.getRed(), col_srgb.getGreen(), col_srgb.getBlue());
+		col /= 255.0f;
+		col.X = srgb_to_linear_component(col.X);
+		col.Y = srgb_to_linear_component(col.Y);
+		col.Z = srgb_to_linear_component(col.Z);
+		return col;
+	}
+
+	video::SColor linear_to_srgb(const v3f &col_linear)
+	{
+		v3f col;
+		col.X = linear_to_srgb_component(col_linear.X);
+		col.Y = linear_to_srgb_component(col_linear.Y);
+		col.Z = linear_to_srgb_component(col_linear.Z);
+		col *= 255.0f;
+		col.X = core::clamp<float>(col.X, 0.0f, 255.0f);
+		col.Y = core::clamp<float>(col.Y, 0.0f, 255.0f);
+		col.Z = core::clamp<float>(col.Z, 0.0f, 255.0f);
+		return video::SColor(0xff, myround(col.X), myround(col.Y),
+			myround(col.Z));
+	}
+}
+
 video::SColor TextureSource::getTextureAverageColor(const std::string &name)
 {
 	video::IVideoDriver *driver = RenderingEngine::get_video_driver();
@@ -2197,9 +2282,7 @@ video::SColor TextureSource::getTextureAverageColor(const std::string &name)
 		return c;
 
 	u32 total = 0;
-	u32 tR = 0;
-	u32 tG = 0;
-	u32 tB = 0;
+	v3f col_acc(0, 0, 0);
 	core::dimension2d<u32> dim = image->getDimension();
 	u16 step = 1;
 	if (dim.Width > 16)
@@ -2209,17 +2292,14 @@ video::SColor TextureSource::getTextureAverageColor(const std::string &name)
 			c = image->getPixel(x,y);
 			if (c.getAlpha() > 0) {
 				total++;
-				tR += c.getRed();
-				tG += c.getGreen();
-				tB += c.getBlue();
+				col_acc += srgb_to_linear(c);
 			}
 		}
 	}
 	image->drop();
 	if (total > 0) {
-		c.setRed(tR / total);
-		c.setGreen(tG / total);
-		c.setBlue(tB / total);
+		col_acc /= total;
+		c = linear_to_srgb(col_acc);
 	}
 	c.setAlpha(255);
 	return c;
diff --git a/src/client/tile.h b/src/client/tile.h
index fcdc46460..e55a26e56 100644
--- a/src/client/tile.h
+++ b/src/client/tile.h
@@ -195,6 +195,7 @@ struct TileLayer
 			texture_id == other.texture_id &&
 			material_type == other.material_type &&
 			material_flags == other.material_flags &&
+			has_color == other.has_color &&
 			color == other.color &&
 			scale == other.scale;
 	}
@@ -259,6 +260,17 @@ struct TileLayer
 			&& (material_flags & MATERIAL_FLAG_TILEABLE_VERTICAL);
 	}
 
+	bool isTransparent() const
+	{
+		switch (material_type) {
+		case TILE_MATERIAL_ALPHA:
+		case TILE_MATERIAL_LIQUID_TRANSPARENT:
+		case TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT:
+			return true;
+		}
+		return false;
+	}
+
 	// Ordered for size, please do not reorder
 
 	video::ITexture *texture = nullptr;
@@ -288,9 +300,9 @@ struct TileLayer
 	 * The color of the tile, or if the tile does not own
 	 * a color then the color of the node owning this tile.
 	 */
-	video::SColor color;
+	video::SColor color = video::SColor(0, 0, 0, 0);
 
-	u8 scale;
+	u8 scale = 1;
 };
 
 /*!
@@ -307,7 +319,8 @@ struct TileSpec
 		for (int layer = 0; layer < MAX_TILE_LAYERS; layer++) {
 			if (layers[layer] != other.layers[layer])
 				return false;
-			if (!layers[layer].isTileable())
+			// Only non-transparent tiles can be merged into fast faces
+			if (layers[layer].isTransparent() || !layers[layer].isTileable())
 				return false;
 		}
 		return rotation == 0
diff --git a/src/client/wieldmesh.cpp b/src/client/wieldmesh.cpp
index 6beed3f3a..25b343573 100644
--- a/src/client/wieldmesh.cpp
+++ b/src/client/wieldmesh.cpp
@@ -386,6 +386,9 @@ void WieldMeshSceneNode::setItem(const ItemStack &item, Client *client, bool che
 		m_colors.emplace_back();
 		// overlay is white, if present
 		m_colors.emplace_back(true, video::SColor(0xFFFFFFFF));
+		// initialize the color
+		if (!m_lighting)
+			setColor(video::SColor(0xFFFFFFFF));
 		return;
 	}
 
@@ -457,13 +460,26 @@ void WieldMeshSceneNode::setItem(const ItemStack &item, Client *client, bool che
 			material.setFlag(video::EMF_BILINEAR_FILTER, m_bilinear_filter);
 			material.setFlag(video::EMF_TRILINEAR_FILTER, m_trilinear_filter);
 		}
+
+		// initialize the color
+		if (!m_lighting)
+			setColor(video::SColor(0xFFFFFFFF));
 		return;
-	} else if (!def.inventory_image.empty()) {
-		setExtruded(def.inventory_image, def.inventory_overlay, def.wield_scale,
-			tsrc, 1);
+	} else {
+		if (!def.inventory_image.empty()) {
+			setExtruded(def.inventory_image, def.inventory_overlay, def.wield_scale,
+				tsrc, 1);
+		} else {
+			setExtruded("no_texture.png", "", def.wield_scale, tsrc, 1);
+		}
+
 		m_colors.emplace_back();
 		// overlay is white, if present
 		m_colors.emplace_back(true, video::SColor(0xFFFFFFFF));
+
+		// initialize the color
+		if (!m_lighting)
+			setColor(video::SColor(0xFFFFFFFF));
 		return;
 	}
 
@@ -510,8 +526,9 @@ void WieldMeshSceneNode::setNodeLightColor(video::SColor color)
 			material.EmissiveColor = color;
 		}
 	}
-
-	setColor(color);
+	else {
+		setColor(color);
+	}
 }
 
 void WieldMeshSceneNode::render()
@@ -536,9 +553,14 @@ void WieldMeshSceneNode::changeToMesh(scene::IMesh *mesh)
 	m_meshnode->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, m_lighting);
 	m_meshnode->setVisible(true);
 
-	// Add mesh to shadow caster
-	if (m_shadow)
+	if (m_shadow) {
+		// Add mesh to shadow caster
 		m_shadow->addNodeToShadowList(m_meshnode);
+
+		// Set shadow texture
+		for (u32 i = 0; i < m_meshnode->getMaterialCount(); i++)
+			m_meshnode->setMaterialTexture(3, m_shadow->get_texture());
+	}
 }
 
 void getItemMesh(Client *client, const ItemStack &item, ItemMesh *result)