From 3ed940ff13fc2b4ef4b63f2c506ed9e5ab59f54f Mon Sep 17 00:00:00 2001
From: wsor4035 <24964441+wsor4035@users.noreply.github.com>
Date: Tue, 15 Dec 2020 13:05:55 -0500
Subject: lua_api.txt: Add mod_orgin to node def (#10697)

---
 doc/lua_api.txt | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'doc')

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 2fbbd4226..f5c07fe85 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -7612,6 +7612,13 @@ Used by `minetest.register_node`.
         -- intensity: 1.0 = mid range of regular TNT.
         -- If defined, called when an explosion touches the node, instead of
         -- removing the node.
+        
+        mod_origin = "modname",
+        -- stores which mod actually registered a node
+        -- if it can not find a source, returns "??"
+        -- useful for getting what mod truly registered something
+        -- example: if a node is registered as ":othermodname:nodename", 
+        -- nodename will show "othermodname", but mod_orgin will say "modname"
     }
 
 Crafting recipes
-- 
cgit v1.2.3


From d0a38f694d483fbd9c0554c8d7175a94097fd67e Mon Sep 17 00:00:00 2001
From: Thomas--S <Thomas--S@users.noreply.github.com>
Date: Tue, 15 Dec 2020 19:06:36 +0100
Subject: Formspec: Allow to specify frame loop for model[] (#10679)

Add the ability to specify an animation frame loop range for the model[] formspec element.
---
 doc/lua_api.txt             |  6 +++++-
 src/gui/guiFormSpecMenu.cpp | 21 ++++++++++++++++-----
 src/gui/guiScene.cpp        |  9 +++++++++
 src/gui/guiScene.h          |  1 +
 4 files changed, 31 insertions(+), 6 deletions(-)

(limited to 'doc')

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index f5c07fe85..ddb6d4e19 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -2277,7 +2277,7 @@ Elements
 * `frame duration`: Milliseconds between each frame. `0` means the frames don't advance.
 * `frame start` (Optional): The index of the frame to start on. Default `1`.
 
-### `model[<X>,<Y>;<W>,<H>;<name>;<mesh>;<textures>;<rotation X,Y>;<continuous>;<mouse control>]`
+### `model[<X>,<Y>;<W>,<H>;<name>;<mesh>;<textures>;<rotation X,Y>;<continuous>;<mouse control>;<frame loop range>]`
 
 * Show a mesh model.
 * `name`: Element name that can be used for styling
@@ -2288,6 +2288,9 @@ Elements
   The axes are euler angles in degrees.
 * `continuous` (Optional): Whether the rotation is continuous. Default `false`.
 * `mouse control` (Optional): Whether the model can be controlled with the mouse. Default `true`.
+* `frame loop range` (Optional): Range of the animation frames.
+    * Defaults to the full range of all available frames.
+    * Syntax: `<begin>,<end>`
 
 ### `item_image[<X>,<Y>;<W>,<H>;<item name>]`
 
@@ -2789,6 +2792,7 @@ Some types may inherit styles from parent types.
 * image_button
 * item_image_button
 * label
+* model
 * pwdfield, inherits from field
 * scrollbar
 * tabheader
diff --git a/src/gui/guiFormSpecMenu.cpp b/src/gui/guiFormSpecMenu.cpp
index 632b15992..ed197d0d1 100644
--- a/src/gui/guiFormSpecMenu.cpp
+++ b/src/gui/guiFormSpecMenu.cpp
@@ -70,7 +70,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #define MY_CHECKPOS(a,b)													\
 	if (v_pos.size() != 2) {												\
-		errorstream<< "Invalid pos for element " << a << "specified: \""	\
+		errorstream<< "Invalid pos for element " << a << " specified: \""	\
 			<< parts[b] << "\"" << std::endl;								\
 			return;															\
 	}
@@ -78,7 +78,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define MY_CHECKGEOM(a,b)													\
 	if (v_geom.size() != 2) {												\
 		errorstream<< "Invalid geometry for element " << a <<				\
-			"specified: \"" << parts[b] << "\"" << std::endl;				\
+			" specified: \"" << parts[b] << "\"" << std::endl;				\
 			return;															\
 	}
 /*
@@ -2725,7 +2725,7 @@ void GUIFormSpecMenu::parseModel(parserData *data, const std::string &element)
 {
 	std::vector<std::string> parts = split(element, ';');
 
-	if (parts.size() < 5 || (parts.size() > 8 &&
+	if (parts.size() < 5 || (parts.size() > 9 &&
 			m_formspec_version <= FORMSPEC_API_VERSION)) {
 		errorstream << "Invalid model element (" << parts.size() << "): '" << element
 			<< "'" << std::endl;
@@ -2733,8 +2733,8 @@ void GUIFormSpecMenu::parseModel(parserData *data, const std::string &element)
 	}
 
 	// Avoid length checks by resizing
-	if (parts.size() < 8)
-		parts.resize(8);
+	if (parts.size() < 9)
+		parts.resize(9);
 
 	std::vector<std::string> v_pos = split(parts[0], ',');
 	std::vector<std::string> v_geom = split(parts[1], ',');
@@ -2744,6 +2744,7 @@ void GUIFormSpecMenu::parseModel(parserData *data, const std::string &element)
 	std::vector<std::string> vec_rot = split(parts[5], ',');
 	bool inf_rotation = is_yes(parts[6]);
 	bool mousectrl = is_yes(parts[7]) || parts[7].empty(); // default true
+	std::vector<std::string> frame_loop = split(parts[8], ',');
 
 	MY_CHECKPOS("model", 0);
 	MY_CHECKGEOM("model", 1);
@@ -2794,6 +2795,16 @@ void GUIFormSpecMenu::parseModel(parserData *data, const std::string &element)
 	e->enableContinuousRotation(inf_rotation);
 	e->enableMouseControl(mousectrl);
 
+	s32 frame_loop_begin = 0;
+	s32 frame_loop_end = 0x7FFFFFFF;
+
+	if (frame_loop.size() == 2) {
+	    frame_loop_begin = stoi(frame_loop[0]);
+	    frame_loop_end = stoi(frame_loop[1]);
+	}
+
+	e->setFrameLoop(frame_loop_begin, frame_loop_end);
+
 	auto style = getStyleForElement("model", spec.fname);
 	e->setStyles(style);
 	e->drop();
diff --git a/src/gui/guiScene.cpp b/src/gui/guiScene.cpp
index 08f119e07..5f4c50b91 100644
--- a/src/gui/guiScene.cpp
+++ b/src/gui/guiScene.cpp
@@ -152,6 +152,15 @@ void GUIScene::setStyles(const std::array<StyleSpec, StyleSpec::NUM_STATES> &sty
 	setBackgroundColor(style.getColor(StyleSpec::BGCOLOR, m_bgcolor));
 }
 
+/**
+ * Sets the frame loop range for the mesh
+ */
+void GUIScene::setFrameLoop(s32 begin, s32 end)
+{
+	if (m_mesh->getStartFrame() != begin || m_mesh->getEndFrame() != end)
+		m_mesh->setFrameLoop(begin, end);
+}
+
 /* Camera control functions */
 
 inline void GUIScene::calcOptimalDistance()
diff --git a/src/gui/guiScene.h b/src/gui/guiScene.h
index 707e6f66a..08eb7f350 100644
--- a/src/gui/guiScene.h
+++ b/src/gui/guiScene.h
@@ -36,6 +36,7 @@ public:
 	scene::IAnimatedMeshSceneNode *setMesh(scene::IAnimatedMesh *mesh = nullptr);
 	void setTexture(u32 idx, video::ITexture *texture);
 	void setBackgroundColor(const video::SColor &color) noexcept { m_bgcolor = color; };
+	void setFrameLoop(s32 begin, s32 end);
 	void enableMouseControl(bool enable) noexcept { m_mouse_ctrl = enable; };
 	void setRotation(v2f rot) noexcept { m_custom_rot = rot; };
 	void enableContinuousRotation(bool enable) noexcept { m_inf_rot = enable; };
-- 
cgit v1.2.3


From 6f8a1c99d5a30de0021c2c03bb5f79eb8281f868 Mon Sep 17 00:00:00 2001
From: DS <vorunbekannt75@web.de>
Date: Fri, 18 Dec 2020 19:38:07 +0100
Subject: Documentation for highest formspec_version[] and changelog (#10592)

---
 doc/lua_api.txt               | 17 +++++++++++++++++
 src/network/networkprotocol.h | 17 +----------------
 2 files changed, 18 insertions(+), 16 deletions(-)

(limited to 'doc')

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index ddb6d4e19..708d6b0bc 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -2113,6 +2113,22 @@ Examples
     list[current_player;main;0,3.5;8,4;]
     list[current_player;craft;3,0;3,3;]
     list[current_player;craftpreview;7,1;1,1;]
+   
+Version History
+---------------
+
+* FORMSPEC VERSION 1:
+  * (too much)
+* FORMSPEC VERSION 2:
+  * Forced real coordinates
+  * background9[]: 9-slice scaling parameters
+* FORMSPEC VERSION 3:
+  * Formspec elements are drawn in the order of definition
+  * bgcolor[]: use 3 parameters (bgcolor, formspec (now an enum), fbgcolor)
+  * box[] and image[] elements enable clipping by default
+  * new element: scroll_container[]
+* FORMSPEC VERSION 4:
+  * Allow dropdown indexing events
 
 Elements
 --------
@@ -2125,6 +2141,7 @@ Elements
 * Clients older than this version can neither show newer elements nor display
   elements with new arguments correctly.
 * Available since feature `formspec_version_element`.
+* See also: [Version History]
 
 ### `size[<W>,<H>,<fixed_size>]`
 
diff --git a/src/network/networkprotocol.h b/src/network/networkprotocol.h
index 666e75e45..838bf0b2c 100644
--- a/src/network/networkprotocol.h
+++ b/src/network/networkprotocol.h
@@ -226,22 +226,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define PASSWORD_SIZE 28       // Maximum password length. Allows for
                                // base64-encoded SHA-1 (27+\0).
 
-/*
-	Changes by FORMSPEC_API_VERSION:
-
-	FORMSPEC VERSION 1:
-		(too much)
-	FORMSPEC VERSION 2:
-		Forced real coordinates
-		background9[]: 9-slice scaling parameters
-	FORMSPEC VERSION 3:
-		Formspec elements are drawn in the order of definition
-		bgcolor[]: use 3 parameters (bgcolor, formspec (now an enum), fbgcolor)
-		box[] and image[] elements enable clipping by default
-		new element: scroll_container[]
-	FORMSPEC VERSION 4:
-		Allow dropdown indexing events
-*/
+// See also: Formspec Version History in doc/lua_api.txt
 #define FORMSPEC_API_VERSION 4
 
 #define TEXTURENAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_.-"
-- 
cgit v1.2.3


From 664f5ce9605b580b9500547fff1e54eac553f295 Mon Sep 17 00:00:00 2001
From: rubenwardy <rw@rubenwardy.com>
Date: Sat, 19 Dec 2020 13:27:15 +0000
Subject: Add open user data button to main menu (#10579)

---
 .../java/net/minetest/minetest/GameActivity.java   |  4 +--
 builtin/mainmenu/tab_credits.lua                   | 20 +++++++++++--
 doc/menu_lua_api.txt                               |  7 +++++
 src/porting.cpp                                    | 35 +++++++++++++++++-----
 src/porting.h                                      | 20 ++++++++++++-
 src/porting_android.cpp                            |  6 ++--
 src/porting_android.h                              |  2 +-
 src/script/lua_api/l_mainmenu.cpp                  | 21 ++++++++++++-
 src/script/lua_api/l_mainmenu.h                    |  4 +++
 9 files changed, 100 insertions(+), 19 deletions(-)

(limited to 'doc')

diff --git a/build/android/app/src/main/java/net/minetest/minetest/GameActivity.java b/build/android/app/src/main/java/net/minetest/minetest/GameActivity.java
index db126a2b9..38a388230 100644
--- a/build/android/app/src/main/java/net/minetest/minetest/GameActivity.java
+++ b/build/android/app/src/main/java/net/minetest/minetest/GameActivity.java
@@ -142,8 +142,8 @@ public class GameActivity extends NativeActivity {
 		return getResources().getDisplayMetrics().widthPixels;
 	}
 
-	public void openURL(String url) {
-		Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+	public void openURI(String uri) {
+		Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
 		startActivity(browserIntent);
 	}
 }
diff --git a/builtin/mainmenu/tab_credits.lua b/builtin/mainmenu/tab_credits.lua
index c2b7e503a..075274798 100644
--- a/builtin/mainmenu/tab_credits.lua
+++ b/builtin/mainmenu/tab_credits.lua
@@ -100,9 +100,10 @@ return {
 	cbf_formspec = function(tabview, name, tabdata)
 		local logofile = defaulttexturedir .. "logo.png"
 		local version = core.get_version()
-		return "image[0.5,1;" .. core.formspec_escape(logofile) .. "]" ..
-			"label[0.5,2.8;" .. version.project .. " " .. version.string .. "]" ..
-			"button[0.5,3;2,2;homepage;minetest.net]" ..
+		local fs = "image[0.75,0.5;2.2,2.2;" .. core.formspec_escape(logofile) .. "]" ..
+			"style[label_button;border=false]" ..
+			"button[0.5,2;2.5,2;label_button;" .. version.project .. " " .. version.string .. "]" ..
+			"button[0.75,2.75;2,2;homepage;minetest.net]" ..
 			"tablecolumns[color;text]" ..
 			"tableoptions[background=#00000000;highlight=#00000000;border=false]" ..
 			"table[3.5,-0.25;8.5,6.05;list_credits;" ..
@@ -115,10 +116,23 @@ return {
 			"#FFFF00," .. fgettext("Previous Contributors") .. ",," ..
 			buildCreditList(previous_contributors) .. "," ..
 			";1]"
+
+		if PLATFORM ~= "Android" then
+			fs = fs .. "tooltip[userdata;" ..
+					fgettext("Opens the directory that contains user-provided worlds, games, mods,\n" ..
+							"and texture packs in a file manager / explorer.") .. "]"
+			fs = fs .. "button[0,4.75;3.5,1;userdata;" .. fgettext("Open User Data Directory") .. "]"
+		end
+
+		return fs
 	end,
 	cbf_button_handler = function(this, fields, name, tabdata)
 		if fields.homepage then
 			core.open_url("https://www.minetest.net")
 		end
+
+		if fields.userdata then
+			core.open_dir(core.get_user_path())
+		end
 	end,
 }
diff --git a/doc/menu_lua_api.txt b/doc/menu_lua_api.txt
index 76bebe08b..8908552d5 100644
--- a/doc/menu_lua_api.txt
+++ b/doc/menu_lua_api.txt
@@ -43,10 +43,14 @@ core.get_max_supp_proto()
 core.open_url(url)
 ^ opens the URL in a web browser, returns false on failure.
 ^ Must begin with http:// or https://
+core.open_dir(path)
+^ opens the path in the system file browser/explorer, returns false on failure.
+^ Must be an existing directory.
 core.get_version() (possible in async calls)
 ^ returns current core version
 
 
+
 Filesystem
 ----------
 
@@ -207,6 +211,9 @@ Content and Packages
 Content - an installed mod, modpack, game, or texture pack (txt)
 Package - content which is downloadable from the content db, may or may not be installed.
 
+* core.get_user_path() (possible in async calls)
+    * returns path to global user data,
+      the directory that contains user-provided mods, worlds, games, and texture packs.
 * core.get_modpath() (possible in async calls)
     * returns path to global modpath
 * core.get_clientmodpath() (possible in async calls)
diff --git a/src/porting.cpp b/src/porting.cpp
index e7ed4e090..4c87bddee 100644
--- a/src/porting.cpp
+++ b/src/porting.cpp
@@ -719,29 +719,48 @@ int mt_snprintf(char *buf, const size_t buf_size, const char *fmt, ...)
 	return c;
 }
 
-bool openURL(const std::string &url)
+static bool open_uri(const std::string &uri)
 {
-	if ((url.substr(0, 7) != "http://" && url.substr(0, 8) != "https://") ||
-			url.find_first_of("\r\n") != std::string::npos) {
-		errorstream << "Invalid url: " << url << std::endl;
+	if (uri.find_first_of("\r\n") != std::string::npos) {
+		errorstream << "Unable to open URI as it is invalid, contains new line: " << uri << std::endl;
 		return false;
 	}
 
 #if defined(_WIN32)
-	return (intptr_t)ShellExecuteA(NULL, NULL, url.c_str(), NULL, NULL, SW_SHOWNORMAL) > 32;
+	return (intptr_t)ShellExecuteA(NULL, NULL, uri.c_str(), NULL, NULL, SW_SHOWNORMAL) > 32;
 #elif defined(__ANDROID__)
-	openURLAndroid(url);
+	openURIAndroid(uri);
 	return true;
 #elif defined(__APPLE__)
-	const char *argv[] = {"open", url.c_str(), NULL};
+	const char *argv[] = {"open", uri.c_str(), NULL};
 	return posix_spawnp(NULL, "open", NULL, NULL, (char**)argv,
 		(*_NSGetEnviron())) == 0;
 #else
-	const char *argv[] = {"xdg-open", url.c_str(), NULL};
+	const char *argv[] = {"xdg-open", uri.c_str(), NULL};
 	return posix_spawnp(NULL, "xdg-open", NULL, NULL, (char**)argv, environ) == 0;
 #endif
 }
 
+bool open_url(const std::string &url)
+{
+	if (url.substr(0, 7) != "http://" && url.substr(0, 8) != "https://") {
+		errorstream << "Unable to open browser as URL is missing schema: " << url << std::endl;
+		return false;
+	}
+
+	return open_uri(url);
+}
+
+bool open_directory(const std::string &path)
+{
+	if (!fs::IsDir(path)) {
+		errorstream << "Unable to open directory as it does not exist: " << path << std::endl;
+		return false;
+	}
+
+	return open_uri(path);
+}
+
 // Load performance counter frequency only once at startup
 #ifdef _WIN32
 
diff --git a/src/porting.h b/src/porting.h
index c7adf12a2..e4ebe36fd 100644
--- a/src/porting.h
+++ b/src/porting.h
@@ -332,7 +332,25 @@ void attachOrCreateConsole();
 
 int mt_snprintf(char *buf, const size_t buf_size, const char *fmt, ...);
 
-bool openURL(const std::string &url);
+/**
+ * Opens URL in default web browser
+ *
+ * Must begin with http:// or https://, and not contain any new lines
+ *
+ * @param url The URL
+ * @return true on success, false on failure
+ */
+bool open_url(const std::string &url);
+
+/**
+ * Opens a directory in the default file manager
+ *
+ * The directory must exist.
+ *
+ * @param path Path to directory
+ * @return true on success, false on failure
+ */
+bool open_directory(const std::string &path);
 
 } // namespace porting
 
diff --git a/src/porting_android.cpp b/src/porting_android.cpp
index 41b521ec2..f5870c174 100644
--- a/src/porting_android.cpp
+++ b/src/porting_android.cpp
@@ -213,13 +213,13 @@ void showInputDialog(const std::string &acceptButton, const std::string &hint,
 			jacceptButton, jhint, jcurrent, jeditType);
 }
 
-void openURLAndroid(const std::string &url)
+void openURIAndroid(const std::string &url)
 {
-	jmethodID url_open = jnienv->GetMethodID(nativeActivity, "openURL",
+	jmethodID url_open = jnienv->GetMethodID(nativeActivity, "openURI",
 		"(Ljava/lang/String;)V");
 
 	FATAL_ERROR_IF(url_open == nullptr,
-		"porting::openURLAndroid unable to find java openURL method");
+		"porting::openURIAndroid unable to find java openURI method");
 
 	jstring jurl = jnienv->NewStringUTF(url.c_str());
 	jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
diff --git a/src/porting_android.h b/src/porting_android.h
index 6eb054041..239815922 100644
--- a/src/porting_android.h
+++ b/src/porting_android.h
@@ -58,7 +58,7 @@ void initializePathsAndroid();
 void showInputDialog(const std::string &acceptButton,
 					const std::string &hint, const std::string &current, int editType);
 
-void openURLAndroid(const std::string &url);
+void openURIAndroid(const std::string &url);
 
 /**
  * WORKAROUND for not working callbacks from java -> c++
diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index 0aa2760e9..0b0b2de3b 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -686,6 +686,14 @@ int ModApiMainMenu::l_get_mapgen_names(lua_State *L)
 }
 
 
+/******************************************************************************/
+int ModApiMainMenu::l_get_user_path(lua_State *L)
+{
+	std::string path = fs::RemoveRelativePathComponents(porting::path_user);
+	lua_pushstring(L, path.c_str());
+	return 1;
+}
+
 /******************************************************************************/
 int ModApiMainMenu::l_get_modpath(lua_State *L)
 {
@@ -1067,7 +1075,15 @@ int ModApiMainMenu::l_get_max_supp_proto(lua_State *L)
 int ModApiMainMenu::l_open_url(lua_State *L)
 {
 	std::string url = luaL_checkstring(L, 1);
-	lua_pushboolean(L, porting::openURL(url));
+	lua_pushboolean(L, porting::open_url(url));
+	return 1;
+}
+
+/******************************************************************************/
+int ModApiMainMenu::l_open_dir(lua_State *L)
+{
+	std::string path = luaL_checkstring(L, 1);
+	lua_pushboolean(L, porting::open_directory(path));
 	return 1;
 }
 
@@ -1113,6 +1129,7 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 	API_FCT(set_background);
 	API_FCT(set_topleft_text);
 	API_FCT(get_mapgen_names);
+	API_FCT(get_user_path);
 	API_FCT(get_modpath);
 	API_FCT(get_clientmodpath);
 	API_FCT(get_gamepath);
@@ -1134,6 +1151,7 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 	API_FCT(get_min_supp_proto);
 	API_FCT(get_max_supp_proto);
 	API_FCT(open_url);
+	API_FCT(open_dir);
 	API_FCT(do_async_callback);
 }
 
@@ -1144,6 +1162,7 @@ void ModApiMainMenu::InitializeAsync(lua_State *L, int top)
 	API_FCT(get_games);
 	API_FCT(get_favorites);
 	API_FCT(get_mapgen_names);
+	API_FCT(get_user_path);
 	API_FCT(get_modpath);
 	API_FCT(get_clientmodpath);
 	API_FCT(get_gamepath);
diff --git a/src/script/lua_api/l_mainmenu.h b/src/script/lua_api/l_mainmenu.h
index 5a16b3bfe..faa2bf273 100644
--- a/src/script/lua_api/l_mainmenu.h
+++ b/src/script/lua_api/l_mainmenu.h
@@ -112,6 +112,8 @@ private:
 
 	static int l_get_mainmenu_path(lua_State *L);
 
+	static int l_get_user_path(lua_State *L);
+
 	static int l_get_modpath(lua_State *L);
 
 	static int l_get_clientmodpath(lua_State *L);
@@ -148,6 +150,8 @@ private:
 	// other
 	static int l_open_url(lua_State *L);
 
+	static int l_open_dir(lua_State *L);
+
 
 	// async
 	static int l_do_async_callback(lua_State *L);
-- 
cgit v1.2.3


From 9250b5205a6c627dfa18b7870b454d74f8d9dae6 Mon Sep 17 00:00:00 2001
From: Elias Fleckenstein
 <54945686+EliasFleckenstein03@users.noreply.github.com>
Date: Tue, 29 Dec 2020 16:50:09 +0100
Subject: Add minetest.get_objects_in_area (#10668)

---
 doc/lua_api.txt                |  3 +++
 src/script/lua_api/l_env.cpp   | 26 ++++++++++++++++++++++++++
 src/script/lua_api/l_env.h     |  3 +++
 src/server/activeobjectmgr.cpp | 15 +++++++++++++++
 src/server/activeobjectmgr.h   |  3 +++
 src/serverenvironment.h        |  7 +++++++
 6 files changed, 57 insertions(+)

(limited to 'doc')

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 708d6b0bc..800fc0c24 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -4891,6 +4891,9 @@ Environment access
 * `minetest.get_objects_inside_radius(pos, radius)`: returns a list of
   ObjectRefs.
     * `radius`: using an euclidean metric
+* `minetest.get_objects_in_area(pos1, pos2)`: returns a list of
+  ObjectRefs.
+     * `pos1` and `pos2` are the min and max positions of the area to search.
 * `minetest.set_timeofday(val)`
     * `val` is between `0` and `1`; `0` for midnight, `0.5` for midday
 * `minetest.get_timeofday()`
diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp
index 021ef2ea7..c75fc8dc7 100644
--- a/src/script/lua_api/l_env.cpp
+++ b/src/script/lua_api/l_env.cpp
@@ -743,6 +743,31 @@ int ModApiEnvMod::l_get_objects_inside_radius(lua_State *L)
 	return 1;
 }
 
+// get_objects_in_area(pos, minp, maxp)
+int ModApiEnvMod::l_get_objects_in_area(lua_State *L)
+{
+	GET_ENV_PTR;
+	ScriptApiBase *script = getScriptApiBase(L);
+	
+	v3f minp = read_v3f(L, 1) * BS;
+	v3f maxp = read_v3f(L, 2) * BS;
+	aabb3f box(minp, maxp);
+	box.repair();
+	std::vector<ServerActiveObject *> objs;
+
+	auto include_obj_cb = [](ServerActiveObject *obj){ return !obj->isGone(); };
+	env->getObjectsInArea(objs, box, include_obj_cb);
+
+	int i = 0;
+	lua_createtable(L, objs.size(), 0);
+	for (const auto obj : objs) {
+		// Insert object reference into table
+		script->objectrefGetOrCreate(L, obj);
+		lua_rawseti(L, -2, ++i);
+	}
+	return 1;
+}
+
 // set_timeofday(val)
 // val = 0...1
 int ModApiEnvMod::l_set_timeofday(lua_State *L)
@@ -1413,6 +1438,7 @@ void ModApiEnvMod::Initialize(lua_State *L, int top)
 	API_FCT(get_node_timer);
 	API_FCT(get_connected_players);
 	API_FCT(get_player_by_name);
+	API_FCT(get_objects_in_area);
 	API_FCT(get_objects_inside_radius);
 	API_FCT(set_timeofday);
 	API_FCT(get_timeofday);
diff --git a/src/script/lua_api/l_env.h b/src/script/lua_api/l_env.h
index 7f212b5fc..42c2d64f8 100644
--- a/src/script/lua_api/l_env.h
+++ b/src/script/lua_api/l_env.h
@@ -114,6 +114,9 @@ private:
 
 	// get_objects_inside_radius(pos, radius)
 	static int l_get_objects_inside_radius(lua_State *L);
+	
+	// get_objects_in_area(pos, minp, maxp)
+	static int l_get_objects_in_area(lua_State *L);
 
 	// set_timeofday(val)
 	// val = 0...1
diff --git a/src/server/activeobjectmgr.cpp b/src/server/activeobjectmgr.cpp
index 1b8e31409..acd6611f4 100644
--- a/src/server/activeobjectmgr.cpp
+++ b/src/server/activeobjectmgr.cpp
@@ -127,6 +127,21 @@ void ActiveObjectMgr::getObjectsInsideRadius(const v3f &pos, float radius,
 	}
 }
 
+void ActiveObjectMgr::getObjectsInArea(const aabb3f &box,
+		std::vector<ServerActiveObject *> &result,
+		std::function<bool(ServerActiveObject *obj)> include_obj_cb)
+{
+	for (auto &activeObject : m_active_objects) {
+		ServerActiveObject *obj = activeObject.second;
+		const v3f &objectpos = obj->getBasePosition();
+		if (!box.isPointInside(objectpos))
+			continue;
+
+		if (!include_obj_cb || include_obj_cb(obj))
+			result.push_back(obj);
+	}
+}
+
 void ActiveObjectMgr::getAddedActiveObjectsAroundPos(const v3f &player_pos, f32 radius,
 		f32 player_radius, std::set<u16> &current_objects,
 		std::queue<u16> &added_objects)
diff --git a/src/server/activeobjectmgr.h b/src/server/activeobjectmgr.h
index bc2085499..d43f5643c 100644
--- a/src/server/activeobjectmgr.h
+++ b/src/server/activeobjectmgr.h
@@ -38,6 +38,9 @@ public:
 	void getObjectsInsideRadius(const v3f &pos, float radius,
 			std::vector<ServerActiveObject *> &result,
 			std::function<bool(ServerActiveObject *obj)> include_obj_cb);
+	void getObjectsInArea(const aabb3f &box,
+			std::vector<ServerActiveObject *> &result,
+			std::function<bool(ServerActiveObject *obj)> include_obj_cb);
 
 	void getAddedActiveObjectsAroundPos(const v3f &player_pos, f32 radius,
 			f32 player_radius, std::set<u16> &current_objects,
diff --git a/src/serverenvironment.h b/src/serverenvironment.h
index cfd5b8f3e..c76d34a37 100644
--- a/src/serverenvironment.h
+++ b/src/serverenvironment.h
@@ -331,6 +331,13 @@ public:
 	{
 		return m_ao_manager.getObjectsInsideRadius(pos, radius, objects, include_obj_cb);
 	}
+	
+	// Find all active objects inside a box
+	void getObjectsInArea(std::vector<ServerActiveObject *> &objects, const aabb3f &box,
+			std::function<bool(ServerActiveObject *obj)> include_obj_cb)
+	{
+		return m_ao_manager.getObjectsInArea(box, objects, include_obj_cb);
+	}
 
 	// Clear objects, loading and going through every MapBlock
 	void clearObjects(ClearObjectsMode mode);
-- 
cgit v1.2.3


From ad58fb22064c7db223cb825596c12f93f2a75a26 Mon Sep 17 00:00:00 2001
From: OgelGames <olliverdc28@gmail.com>
Date: Sun, 3 Jan 2021 01:13:53 +1100
Subject: Clarify documentation of minetest.get_modpath and
 minetest.get_modnames (#10771)

---
 doc/lua_api.txt | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'doc')

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 800fc0c24..8bf6ade69 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -4327,11 +4327,14 @@ Utilities
 
 * `minetest.get_current_modname()`: returns the currently loading mod's name,
   when loading a mod.
-* `minetest.get_modpath(modname)`: returns e.g.
-  `"/home/user/.minetest/usermods/modname"`.
-    * Useful for loading additional `.lua` modules or static data from mod
-* `minetest.get_modnames()`: returns a list of installed mods
-    * Return a list of installed mods, sorted alphabetically
+* `minetest.get_modpath(modname)`: returns the directory path for a mod,
+  e.g. `"/home/user/.minetest/usermods/modname"`.
+    * Returns nil if the mod is not enabled or does not exist (not installed).
+    * Works regardless of whether the mod has been loaded yet.
+    * Useful for loading additional `.lua` modules or static data from a mod,
+  or checking if a mod is enabled.
+* `minetest.get_modnames()`: returns a list of enabled mods, sorted alphabetically.
+    * Does not include disabled mods, even if they are installed.
 * `minetest.get_worldpath()`: returns e.g. `"/home/user/.minetest/world"`
     * Useful for storing custom data
 * `minetest.is_singleplayer()`
-- 
cgit v1.2.3


From dd5a732fa90550066bb96305b64b6648903cc822 Mon Sep 17 00:00:00 2001
From: hecks <42101236+hecktest@users.noreply.github.com>
Date: Sat, 2 Jan 2021 15:14:29 +0100
Subject: Add on_deactivate callback for luaentities (#10723)

---
 builtin/profiler/instrumentation.lua          |  1 +
 doc/lua_api.txt                               |  2 ++
 games/devtest/mods/testentities/callbacks.lua |  3 ++
 src/script/cpp_api/s_entity.cpp               | 26 ++++++++++++++
 src/script/cpp_api/s_entity.h                 |  1 +
 src/script/lua_api/l_object.cpp               |  2 +-
 src/server/luaentity_sao.cpp                  | 13 +++++--
 src/server/luaentity_sao.h                    |  5 +++
 src/server/player_sao.cpp                     |  2 +-
 src/server/serveractiveobject.cpp             | 16 +++++++++
 src/server/serveractiveobject.h               | 50 +++++++++++++++++----------
 src/serverenvironment.cpp                     | 12 ++++---
 12 files changed, 106 insertions(+), 27 deletions(-)

(limited to 'doc')

diff --git a/builtin/profiler/instrumentation.lua b/builtin/profiler/instrumentation.lua
index 237f048fb..6b951a2c2 100644
--- a/builtin/profiler/instrumentation.lua
+++ b/builtin/profiler/instrumentation.lua
@@ -160,6 +160,7 @@ local function init()
 		-- Simple iteration would ignore lookup via __index.
 		local entity_instrumentation = {
 			"on_activate",
+			"on_deactivate",
 			"on_step",
 			"on_punch",
 			"on_rightclick",
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 8bf6ade69..47c2776e6 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -4207,6 +4207,8 @@ Callbacks:
     * Called when the object is instantiated.
     * `dtime_s` is the time passed since the object was unloaded, which can be
       used for updating the entity state.
+* `on_deactivate(self)
+    * Called when the object is about to get removed or unloaded.
 * `on_step(self, dtime)`
     * Called on every server tick, after movement and collision processing.
       `dtime` is usually 0.1 seconds, as per the `dedicated_server_step` setting
diff --git a/games/devtest/mods/testentities/callbacks.lua b/games/devtest/mods/testentities/callbacks.lua
index 711079f87..320690b39 100644
--- a/games/devtest/mods/testentities/callbacks.lua
+++ b/games/devtest/mods/testentities/callbacks.lua
@@ -31,6 +31,9 @@ minetest.register_entity("testentities:callback", {
 	on_activate = function(self, staticdata, dtime_s)
 		message("Callback entity: on_activate! pos="..spos(self).."; dtime_s="..dtime_s)
 	end,
+	on_deactivate = function(self)
+		message("Callback entity: on_deactivate! pos="..spos(self))
+	end,
 	on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir, damage)
 		local name = get_object_name(puncher)
 		message(
diff --git a/src/script/cpp_api/s_entity.cpp b/src/script/cpp_api/s_entity.cpp
index ea9320051..746f7013e 100644
--- a/src/script/cpp_api/s_entity.cpp
+++ b/src/script/cpp_api/s_entity.cpp
@@ -103,6 +103,32 @@ void ScriptApiEntity::luaentity_Activate(u16 id,
 	lua_pop(L, 2); // Pop object and error handler
 }
 
+void ScriptApiEntity::luaentity_Deactivate(u16 id)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	verbosestream << "scriptapi_luaentity_deactivate: id=" << id << std::endl;
+
+	int error_handler = PUSH_ERROR_HANDLER(L);
+
+	// Get the entity
+	luaentity_get(L, id);
+	int object = lua_gettop(L);
+
+	// Get on_deactivate
+	lua_getfield(L, -1, "on_deactivate");
+	if (!lua_isnil(L, -1)) {
+		luaL_checktype(L, -1, LUA_TFUNCTION);
+		lua_pushvalue(L, object);
+
+		setOriginFromTable(object);
+		PCALL_RES(lua_pcall(L, 1, 0, error_handler));
+	} else {
+		lua_pop(L, 1);
+	}
+	lua_pop(L, 2); // Pop object and error handler
+}
+
 void ScriptApiEntity::luaentity_Remove(u16 id)
 {
 	SCRIPTAPI_PRECHECKHEADER
diff --git a/src/script/cpp_api/s_entity.h b/src/script/cpp_api/s_entity.h
index b5f7a6586..b52f6e447 100644
--- a/src/script/cpp_api/s_entity.h
+++ b/src/script/cpp_api/s_entity.h
@@ -33,6 +33,7 @@ public:
 	bool luaentity_Add(u16 id, const char *name);
 	void luaentity_Activate(u16 id,
 			const std::string &staticdata, u32 dtime_s);
+	void luaentity_Deactivate(u16 id);
 	void luaentity_Remove(u16 id);
 	std::string luaentity_GetStaticdata(u16 id);
 	void luaentity_GetProperties(u16 id,
diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp
index 4d7a1bc41..f52e4892e 100644
--- a/src/script/lua_api/l_object.cpp
+++ b/src/script/lua_api/l_object.cpp
@@ -110,7 +110,7 @@ int ObjectRef::l_remove(lua_State *L)
 	sao->clearParentAttachment();
 
 	verbosestream << "ObjectRef::l_remove(): id=" << sao->getId() << std::endl;
-	sao->m_pending_removal = true;
+	sao->markForRemoval();
 	return 0;
 }
 
diff --git a/src/server/luaentity_sao.cpp b/src/server/luaentity_sao.cpp
index b39797531..c7277491a 100644
--- a/src/server/luaentity_sao.cpp
+++ b/src/server/luaentity_sao.cpp
@@ -112,6 +112,15 @@ void LuaEntitySAO::addedToEnvironment(u32 dtime_s)
 	}
 }
 
+void LuaEntitySAO::dispatchScriptDeactivate()
+{
+	// Ensure that this is in fact a registered entity,
+	// and that it isn't already gone.
+	// The latter also prevents this from ever being called twice.
+	if (m_registered && !isGone())
+		m_env->getScriptIface()->luaentity_Deactivate(m_id);
+}
+
 void LuaEntitySAO::step(float dtime, bool send_recommended)
 {
 	if(!m_properties_sent)
@@ -302,7 +311,7 @@ u16 LuaEntitySAO::punch(v3f dir,
 {
 	if (!m_registered) {
 		// Delete unknown LuaEntities when punched
-		m_pending_removal = true;
+		markForRemoval();
 		return 0;
 	}
 
@@ -335,7 +344,7 @@ u16 LuaEntitySAO::punch(v3f dir,
 		clearParentAttachment();
 		clearChildAttachments();
 		m_env->getScriptIface()->luaentity_on_death(m_id, puncher);
-		m_pending_removal = true;
+		markForRemoval();
 	}
 
 	actionstream << puncher->getDescription() << " (id=" << puncher->getId() <<
diff --git a/src/server/luaentity_sao.h b/src/server/luaentity_sao.h
index e060aa06d..6883ae1b9 100644
--- a/src/server/luaentity_sao.h
+++ b/src/server/luaentity_sao.h
@@ -71,6 +71,11 @@ public:
 	bool getSelectionBox(aabb3f *toset) const;
 	bool collideWithObjects() const;
 
+protected:
+	void dispatchScriptDeactivate();
+	virtual void onMarkedForDeactivation() { dispatchScriptDeactivate(); }
+	virtual void onMarkedForRemoval() { dispatchScriptDeactivate(); }
+
 private:
 	std::string getPropertyPacket();
 	void sendPosition(bool do_interpolate, bool is_movement_end);
diff --git a/src/server/player_sao.cpp b/src/server/player_sao.cpp
index 62515d1c9..232c6a01d 100644
--- a/src/server/player_sao.cpp
+++ b/src/server/player_sao.cpp
@@ -531,7 +531,7 @@ bool PlayerSAO::setWieldedItem(const ItemStack &item)
 void PlayerSAO::disconnected()
 {
 	m_peer_id = PEER_ID_INEXISTENT;
-	m_pending_removal = true;
+	markForRemoval();
 }
 
 void PlayerSAO::unlinkPlayerSessionAndSave()
diff --git a/src/server/serveractiveobject.cpp b/src/server/serveractiveobject.cpp
index 8cb59b2d6..96b433d1d 100644
--- a/src/server/serveractiveobject.cpp
+++ b/src/server/serveractiveobject.cpp
@@ -73,3 +73,19 @@ void ServerActiveObject::dumpAOMessagesToQueue(std::queue<ActiveObjectMessage> &
 		m_messages_out.pop();
 	}
 }
+
+void ServerActiveObject::markForRemoval()
+{
+	if (!m_pending_removal) {
+		onMarkedForRemoval();
+		m_pending_removal = true;
+	}
+}
+
+void ServerActiveObject::markForDeactivation()
+{
+	if (!m_pending_deactivation) {
+		onMarkedForDeactivation();
+		m_pending_deactivation = true;
+	}
+}
diff --git a/src/server/serveractiveobject.h b/src/server/serveractiveobject.h
index 2764d159e..25653a1ad 100644
--- a/src/server/serveractiveobject.h
+++ b/src/server/serveractiveobject.h
@@ -70,6 +70,10 @@ public:
 	virtual bool environmentDeletes() const
 	{ return true; }
 
+	// Safely mark the object for removal or deactivation
+	void markForRemoval();
+	void markForDeactivation();
+
 	// Create a certain type of ServerActiveObject
 	static ServerActiveObject* create(ActiveObjectType type,
 			ServerEnvironment *env, u16 id, v3f pos,
@@ -213,25 +217,6 @@ public:
 	*/
 	u16 m_known_by_count = 0;
 
-	/*
-		- Whether this object is to be removed when nobody knows about
-		  it anymore.
-		- Removal is delayed to preserve the id for the time during which
-		  it could be confused to some other object by some client.
-		- This is usually set to true by the step() method when the object wants
-		  to be deleted but can be set by anything else too.
-	*/
-	bool m_pending_removal = false;
-
-	/*
-		Same purpose as m_pending_removal but for deactivation.
-		deactvation = save static data in block, remove active object
-
-		If this is set alongside with m_pending_removal, removal takes
-		priority.
-	*/
-	bool m_pending_deactivation = false;
-
 	/*
 		A getter that unifies the above to answer the question:
 		"Can the environment still interact with this object?"
@@ -239,6 +224,9 @@ public:
 	inline bool isGone() const
 	{ return m_pending_removal || m_pending_deactivation; }
 
+	inline bool isPendingRemoval() const
+	{ return m_pending_removal; }
+
 	/*
 		Whether the object's static data has been stored to a block
 	*/
@@ -250,6 +238,9 @@ public:
 	v3s16 m_static_block = v3s16(1337,1337,1337);
 
 protected:
+	virtual void onMarkedForDeactivation() {}
+	virtual void onMarkedForRemoval() {}
+
 	virtual void onAttach(int parent_id) {}
 	virtual void onDetach(int parent_id) {}
 
@@ -257,6 +248,27 @@ protected:
 	v3f m_base_position;
 	std::unordered_set<u32> m_attached_particle_spawners;
 
+	/*
+		Same purpose as m_pending_removal but for deactivation.
+		deactvation = save static data in block, remove active object
+
+		If this is set alongside with m_pending_removal, removal takes
+		priority.
+		Note: Do not assign this directly, use markForDeactivation() instead.
+	*/
+	bool m_pending_deactivation = false;
+
+	/*
+		- Whether this object is to be removed when nobody knows about
+		  it anymore.
+		- Removal is delayed to preserve the id for the time during which
+		  it could be confused to some other object by some client.
+		- This is usually set to true by the step() method when the object wants
+		  to be deleted but can be set by anything else too.
+		Note: Do not assign this directly, use markForRemoval() instead.
+	*/
+	bool m_pending_removal = false;
+
 	/*
 		Queue of messages to be sent to the client
 	*/
diff --git a/src/serverenvironment.cpp b/src/serverenvironment.cpp
index d044b003d..56dbb0632 100644
--- a/src/serverenvironment.cpp
+++ b/src/serverenvironment.cpp
@@ -1164,7 +1164,7 @@ void ServerEnvironment::clearObjects(ClearObjectsMode mode)
 
 		// If known by some client, don't delete immediately
 		if (obj->m_known_by_count > 0) {
-			obj->m_pending_removal = true;
+			obj->markForRemoval();
 			return false;
 		}
 
@@ -1792,7 +1792,7 @@ void ServerEnvironment::removeRemovedObjects()
 		/*
 			Delete static data from block if removed
 		*/
-		if (obj->m_pending_removal)
+		if (obj->isPendingRemoval())
 			deleteStaticFromBlock(obj, id, MOD_REASON_REMOVE_OBJECTS_REMOVE, false);
 
 		// If still known by clients, don't actually remove. On some future
@@ -1803,7 +1803,7 @@ void ServerEnvironment::removeRemovedObjects()
 		/*
 			Move static data from active to stored if deactivated
 		*/
-		if (!obj->m_pending_removal && obj->m_static_exists) {
+		if (!obj->isPendingRemoval() && obj->m_static_exists) {
 			MapBlock *block = m_map->emergeBlock(obj->m_static_block, false);
 			if (block) {
 				const auto i = block->m_static_objects.m_active.find(id);
@@ -1991,6 +1991,7 @@ void ServerEnvironment::deactivateFarObjects(bool _force_delete)
 		if (!force_delete && obj->m_static_exists &&
 		   !m_active_blocks.contains(obj->m_static_block) &&
 		   m_active_blocks.contains(blockpos_o)) {
+
 			// Delete from block where object was located
 			deleteStaticFromBlock(obj, id, MOD_REASON_STATIC_DATA_REMOVED, false);
 
@@ -2068,6 +2069,10 @@ void ServerEnvironment::deactivateFarObjects(bool _force_delete)
 				force_delete = true;
 		}
 
+		// Regardless of what happens to the object at this point, deactivate it first.
+		// This ensures that LuaEntity on_deactivate is always called.
+		obj->markForDeactivation();
+
 		/*
 			If known by some client, set pending deactivation.
 			Otherwise delete it immediately.
@@ -2077,7 +2082,6 @@ void ServerEnvironment::deactivateFarObjects(bool _force_delete)
 						  << "object id=" << id << " is known by clients"
 						  << "; not deleting yet" << std::endl;
 
-			obj->m_pending_deactivation = true;
 			return false;
 		}
 
-- 
cgit v1.2.3


From edd083601173c1b67a2e5cd88e23122f46b88bbf Mon Sep 17 00:00:00 2001
From: rubenwardy <rw@rubenwardy.com>
Date: Mon, 4 Jan 2021 15:18:31 +0000
Subject: ContentDB: Add overwrite dialog when content is already installed
 (#10768)

---
 builtin/mainmenu/dlg_contentstore.lua | 74 ++++++++++++++++++++++++++++++++---
 doc/menu_lua_api.txt                  |  2 +
 src/script/lua_api/l_mainmenu.cpp     | 11 ++++++
 src/script/lua_api/l_mainmenu.h       |  2 +
 4 files changed, 84 insertions(+), 5 deletions(-)

(limited to 'doc')

diff --git a/builtin/mainmenu/dlg_contentstore.lua b/builtin/mainmenu/dlg_contentstore.lua
index 7f6b4b7e4..b5f71e753 100644
--- a/builtin/mainmenu/dlg_contentstore.lua
+++ b/builtin/mainmenu/dlg_contentstore.lua
@@ -437,12 +437,53 @@ function install_dialog.create(package, raw_deps)
 	install_dialog.package = package
 	install_dialog.raw_deps = raw_deps
 	install_dialog.will_install_deps = true
-	return dialog_create("package_view",
+	return dialog_create("install_dialog",
 			install_dialog.get_formspec,
 			install_dialog.handle_submit,
 			nil)
 end
 
+
+local confirm_overwrite = {}
+function confirm_overwrite.get_formspec()
+	local package = confirm_overwrite.package
+
+	return "size[11.5,4.5,true]" ..
+			"label[2,2;" ..
+			fgettext("\"$1\" already exists. Would you like to overwrite it?", package.name) .. "]"..
+			"style[install;bgcolor=red]" ..
+			"button[3.25,3.5;2.5,0.5;install;" .. fgettext("Overwrite") .. "]" ..
+			"button[5.75,3.5;2.5,0.5;cancel;" .. fgettext("Cancel") .. "]"
+end
+
+function confirm_overwrite.handle_submit(this, fields)
+	if fields.cancel then
+		this:delete()
+		return true
+	end
+
+	if fields.install then
+		this:delete()
+		confirm_overwrite.callback()
+		return true
+	end
+
+	return false
+end
+
+function confirm_overwrite.create(package, callback)
+	assert(type(package) == "table")
+	assert(type(callback) == "function")
+
+	confirm_overwrite.package = package
+	confirm_overwrite.callback = callback
+	return dialog_create("confirm_overwrite",
+		confirm_overwrite.get_formspec,
+		confirm_overwrite.handle_submit,
+		nil)
+end
+
+
 local function get_file_extension(path)
 	local parts = path:split(".")
 	return parts[#parts]
@@ -858,14 +899,37 @@ function store.handle_submit(this, fields)
 		assert(package)
 
 		if fields["install_" .. i] then
-			local deps = get_raw_dependencies(package)
-			if deps and has_hard_deps(deps) then
-				local dlg = install_dialog.create(package, deps)
+			local install_parent
+			if package.type == "mod" then
+				install_parent = core.get_modpath()
+			elseif package.type == "game" then
+				install_parent = core.get_gamepath()
+			elseif package.type == "txp" then
+				install_parent = core.get_texturepath()
+			else
+				error("Unknown package type: " .. package.type)
+			end
+
+
+			local function on_confirm()
+				local deps = get_raw_dependencies(package)
+				if deps and has_hard_deps(deps) then
+					local dlg = install_dialog.create(package, deps)
+					dlg:set_parent(this)
+					this:hide()
+					dlg:show()
+				else
+					queue_download(package)
+				end
+			end
+
+			if not package.path and core.is_dir(install_parent .. DIR_DELIM .. package.name) then
+				local dlg = confirm_overwrite.create(package, on_confirm)
 				dlg:set_parent(this)
 				this:hide()
 				dlg:show()
 			else
-				queue_download(package)
+				on_confirm()
 			end
 
 			return true
diff --git a/doc/menu_lua_api.txt b/doc/menu_lua_api.txt
index 8908552d5..1bcf697e9 100644
--- a/doc/menu_lua_api.txt
+++ b/doc/menu_lua_api.txt
@@ -67,6 +67,8 @@ core.copy_dir(source,destination,keep_soure) (possible in async calls)
 ^ destination folder
 ^ keep_source DEFAULT true --> if set to false source is deleted after copying
 ^ returns true/false
+core.is_dir(path) (possible in async calls)
+^ returns true if path is a valid dir
 core.extract_zip(zipfile,destination) [unzip within path required]
 ^ zipfile to extract
 ^ destination folder to extract to
diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index 0b0b2de3b..5070ec7d4 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -803,6 +803,15 @@ int ModApiMainMenu::l_copy_dir(lua_State *L)
 	return 1;
 }
 
+/******************************************************************************/
+int ModApiMainMenu::l_is_dir(lua_State *L)
+{
+	const char *path = luaL_checkstring(L, 1);
+
+	lua_pushboolean(L, fs::IsDir(path));
+	return 1;
+}
+
 /******************************************************************************/
 int ModApiMainMenu::l_extract_zip(lua_State *L)
 {
@@ -1139,6 +1148,7 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 	API_FCT(create_dir);
 	API_FCT(delete_dir);
 	API_FCT(copy_dir);
+	API_FCT(is_dir);
 	API_FCT(extract_zip);
 	API_FCT(may_modify_path);
 	API_FCT(get_mainmenu_path);
@@ -1172,6 +1182,7 @@ void ModApiMainMenu::InitializeAsync(lua_State *L, int top)
 	API_FCT(create_dir);
 	API_FCT(delete_dir);
 	API_FCT(copy_dir);
+	API_FCT(is_dir);
 	//API_FCT(extract_zip); //TODO remove dependency to GuiEngine
 	API_FCT(may_modify_path);
 	API_FCT(download_file);
diff --git a/src/script/lua_api/l_mainmenu.h b/src/script/lua_api/l_mainmenu.h
index faa2bf273..0b02ed892 100644
--- a/src/script/lua_api/l_mainmenu.h
+++ b/src/script/lua_api/l_mainmenu.h
@@ -132,6 +132,8 @@ private:
 
 	static int l_copy_dir(lua_State *L);
 
+	static int l_is_dir(lua_State *L);
+
 	static int l_extract_zip(lua_State *L);
 
 	static int l_may_modify_path(lua_State *L);
-- 
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