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Diffstat (limited to 'src/tile.cpp')
| -rw-r--r-- | src/tile.cpp | 1955 |
1 files changed, 0 insertions, 1955 deletions
diff --git a/src/tile.cpp b/src/tile.cpp deleted file mode 100644 index 81b362d61..000000000 --- a/src/tile.cpp +++ /dev/null @@ -1,1955 +0,0 @@ -/* -Minetest -Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com> - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU Lesser General Public License as published by -the Free Software Foundation; either version 2.1 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU Lesser General Public License for more details. - -You should have received a copy of the GNU Lesser General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#include "tile.h" - -#include <ICameraSceneNode.h> -#include "util/string.h" -#include "util/container.h" -#include "util/thread.h" -#include "util/numeric.h" -#include "irrlichttypes_extrabloated.h" -#include "debug.h" -#include "main.h" // for g_settings -#include "filesys.h" -#include "settings.h" -#include "mesh.h" -#include "log.h" -#include "gamedef.h" -#include "strfnd.h" -#include "util/string.h" // for parseColorString() - -#ifdef __ANDROID__ -#include <GLES/gl.h> -#endif - -/* - A cache from texture name to texture path -*/ -MutexedMap<std::string, std::string> g_texturename_to_path_cache; - -/* - Replaces the filename extension. - eg: - std::string image = "a/image.png" - replace_ext(image, "jpg") - -> image = "a/image.jpg" - Returns true on success. -*/ -static bool replace_ext(std::string &path, const char *ext) -{ - if (ext == NULL) - return false; - // Find place of last dot, fail if \ or / found. - s32 last_dot_i = -1; - for (s32 i=path.size()-1; i>=0; i--) - { - if (path[i] == '.') - { - last_dot_i = i; - break; - } - - if (path[i] == '\\' || path[i] == '/') - break; - } - // If not found, return an empty string - if (last_dot_i == -1) - return false; - // Else make the new path - path = path.substr(0, last_dot_i+1) + ext; - return true; -} - -/* - Find out the full path of an image by trying different filename - extensions. - - If failed, return "". -*/ -std::string getImagePath(std::string path) -{ - // A NULL-ended list of possible image extensions - const char *extensions[] = { - "png", "jpg", "bmp", "tga", - "pcx", "ppm", "psd", "wal", "rgb", - NULL - }; - // If there is no extension, add one - if (removeStringEnd(path, extensions) == "") - path = path + ".png"; - // Check paths until something is found to exist - const char **ext = extensions; - do{ - bool r = replace_ext(path, *ext); - if (r == false) - return ""; - if (fs::PathExists(path)) - return path; - } - while((++ext) != NULL); - - return ""; -} - -/* - Gets the path to a texture by first checking if the texture exists - in texture_path and if not, using the data path. - - Checks all supported extensions by replacing the original extension. - - If not found, returns "". - - Utilizes a thread-safe cache. -*/ -std::string getTexturePath(const std::string &filename) -{ - std::string fullpath = ""; - /* - Check from cache - */ - bool incache = g_texturename_to_path_cache.get(filename, &fullpath); - if (incache) - return fullpath; - - /* - Check from texture_path - */ - std::string texture_path = g_settings->get("texture_path"); - if (texture_path != "") - { - std::string testpath = texture_path + DIR_DELIM + filename; - // Check all filename extensions. Returns "" if not found. - fullpath = getImagePath(testpath); - } - - /* - Check from default data directory - */ - if (fullpath == "") - { - std::string base_path = porting::path_share + DIR_DELIM + "textures" - + DIR_DELIM + "base" + DIR_DELIM + "pack"; - std::string testpath = base_path + DIR_DELIM + filename; - // Check all filename extensions. Returns "" if not found. - fullpath = getImagePath(testpath); - } - - // Add to cache (also an empty result is cached) - g_texturename_to_path_cache.set(filename, fullpath); - - // Finally return it - return fullpath; -} - -void clearTextureNameCache() -{ - g_texturename_to_path_cache.clear(); -} - -/* - Stores internal information about a texture. -*/ - -struct TextureInfo -{ - std::string name; - video::ITexture *texture; - - TextureInfo( - const std::string &name_, - video::ITexture *texture_=NULL - ): - name(name_), - texture(texture_) - { - } -}; - -/* - SourceImageCache: A cache used for storing source images. -*/ - -class SourceImageCache -{ -public: - ~SourceImageCache() { - for (std::map<std::string, video::IImage*>::iterator iter = m_images.begin(); - iter != m_images.end(); iter++) { - iter->second->drop(); - } - m_images.clear(); - } - void insert(const std::string &name, video::IImage *img, - bool prefer_local, video::IVideoDriver *driver) - { - assert(img); - // Remove old image - std::map<std::string, video::IImage*>::iterator n; - n = m_images.find(name); - if (n != m_images.end()){ - if (n->second) - n->second->drop(); - } - - video::IImage* toadd = img; - bool need_to_grab = true; - - // Try to use local texture instead if asked to - if (prefer_local){ - std::string path = getTexturePath(name); - if (path != ""){ - video::IImage *img2 = driver->createImageFromFile(path.c_str()); - if (img2){ - toadd = img2; - need_to_grab = false; - } - } - } - - if (need_to_grab) - toadd->grab(); - m_images[name] = toadd; - } - video::IImage* get(const std::string &name) - { - std::map<std::string, video::IImage*>::iterator n; - n = m_images.find(name); - if (n != m_images.end()) - return n->second; - return NULL; - } - // Primarily fetches from cache, secondarily tries to read from filesystem - video::IImage* getOrLoad(const std::string &name, IrrlichtDevice *device) - { - std::map<std::string, video::IImage*>::iterator n; - n = m_images.find(name); - if (n != m_images.end()){ - n->second->grab(); // Grab for caller - return n->second; - } - video::IVideoDriver* driver = device->getVideoDriver(); - std::string path = getTexturePath(name); - if (path == ""){ - infostream<<"SourceImageCache::getOrLoad(): No path found for \"" - <<name<<"\""<<std::endl; - return NULL; - } - infostream<<"SourceImageCache::getOrLoad(): Loading path \""<<path - <<"\""<<std::endl; - video::IImage *img = driver->createImageFromFile(path.c_str()); - - if (img){ - m_images[name] = img; - img->grab(); // Grab for caller - } - return img; - } -private: - std::map<std::string, video::IImage*> m_images; -}; - -/* - TextureSource -*/ - -class TextureSource : public IWritableTextureSource -{ -public: - TextureSource(IrrlichtDevice *device); - virtual ~TextureSource(); - - /* - Example case: - Now, assume a texture with the id 1 exists, and has the name - "stone.png^mineral1". - Then a random thread calls getTextureId for a texture called - "stone.png^mineral1^crack0". - ...Now, WTF should happen? Well: - - getTextureId strips off stuff recursively from the end until - the remaining part is found, or nothing is left when - something is stripped out - - But it is slow to search for textures by names and modify them - like that? - - ContentFeatures is made to contain ids for the basic plain - textures - - Crack textures can be slow by themselves, but the framework - must be fast. - - Example case #2: - - Assume a texture with the id 1 exists, and has the name - "stone.png^mineral_coal.png". - - Now getNodeTile() stumbles upon a node which uses - texture id 1, and determines that MATERIAL_FLAG_CRACK - must be applied to the tile - - MapBlockMesh::animate() finds the MATERIAL_FLAG_CRACK and - has received the current crack level 0 from the client. It - finds out the name of the texture with getTextureName(1), - appends "^crack0" to it and gets a new texture id with - getTextureId("stone.png^mineral_coal.png^crack0"). - - */ - - /* - Gets a texture id from cache or - - if main thread, generates the texture, adds to cache and returns id. - - if other thread, adds to request queue and waits for main thread. - - The id 0 points to a NULL texture. It is returned in case of error. - */ - u32 getTextureId(const std::string &name); - - // Finds out the name of a cached texture. - std::string getTextureName(u32 id); - - /* - If texture specified by the name pointed by the id doesn't - exist, create it, then return the cached texture. - - Can be called from any thread. If called from some other thread - and not found in cache, the call is queued to the main thread - for processing. - */ - video::ITexture* getTexture(u32 id); - - video::ITexture* getTexture(const std::string &name, u32 *id); - - // Returns a pointer to the irrlicht device - virtual IrrlichtDevice* getDevice() - { - return m_device; - } - - bool isKnownSourceImage(const std::string &name) - { - bool is_known = false; - bool cache_found = m_source_image_existence.get(name, &is_known); - if (cache_found) - return is_known; - // Not found in cache; find out if a local file exists - is_known = (getTexturePath(name) != ""); - m_source_image_existence.set(name, is_known); - return is_known; - } - - // Processes queued texture requests from other threads. - // Shall be called from the main thread. - void processQueue(); - - // Insert an image into the cache without touching the filesystem. - // Shall be called from the main thread. - void insertSourceImage(const std::string &name, video::IImage *img); - - // Rebuild images and textures from the current set of source images - // Shall be called from the main thread. - void rebuildImagesAndTextures(); - - // Render a mesh to a texture. - // Returns NULL if render-to-texture failed. - // Shall be called from the main thread. - video::ITexture* generateTextureFromMesh( - const TextureFromMeshParams ¶ms); - - // Generates an image from a full string like - // "stone.png^mineral_coal.png^[crack:1:0". - // Shall be called from the main thread. - video::IImage* generateImage(const std::string &name); - - video::ITexture* getNormalTexture(const std::string &name); -private: - - // The id of the thread that is allowed to use irrlicht directly - threadid_t m_main_thread; - // The irrlicht device - IrrlichtDevice *m_device; - - // Cache of source images - // This should be only accessed from the main thread - SourceImageCache m_sourcecache; - - // Generate a texture - u32 generateTexture(const std::string &name); - - // Generate image based on a string like "stone.png" or "[crack:1:0". - // if baseimg is NULL, it is created. Otherwise stuff is made on it. - bool generateImagePart(std::string part_of_name, video::IImage *& baseimg); - - // Thread-safe cache of what source images are known (true = known) - MutexedMap<std::string, bool> m_source_image_existence; - - // A texture id is index in this array. - // The first position contains a NULL texture. - std::vector<TextureInfo> m_textureinfo_cache; - // Maps a texture name to an index in the former. - std::map<std::string, u32> m_name_to_id; - // The two former containers are behind this mutex - JMutex m_textureinfo_cache_mutex; - - // Queued texture fetches (to be processed by the main thread) - RequestQueue<std::string, u32, u8, u8> m_get_texture_queue; - - // Textures that have been overwritten with other ones - // but can't be deleted because the ITexture* might still be used - std::list<video::ITexture*> m_texture_trash; - - // Cached settings needed for making textures from meshes - bool m_setting_trilinear_filter; - bool m_setting_bilinear_filter; - bool m_setting_anisotropic_filter; -}; - -IWritableTextureSource* createTextureSource(IrrlichtDevice *device) -{ - return new TextureSource(device); -} - -TextureSource::TextureSource(IrrlichtDevice *device): - m_device(device) -{ - assert(m_device); - - m_main_thread = get_current_thread_id(); - - // Add a NULL TextureInfo as the first index, named "" - m_textureinfo_cache.push_back(TextureInfo("")); - m_name_to_id[""] = 0; - - // Cache some settings - // Note: Since this is only done once, the game must be restarted - // for these settings to take effect - m_setting_trilinear_filter = g_settings->getBool("trilinear_filter"); - m_setting_bilinear_filter = g_settings->getBool("bilinear_filter"); - m_setting_anisotropic_filter = g_settings->getBool("anisotropic_filter"); -} - -TextureSource::~TextureSource() -{ - video::IVideoDriver* driver = m_device->getVideoDriver(); - - unsigned int textures_before = driver->getTextureCount(); - - for (std::vector<TextureInfo>::iterator iter = - m_textureinfo_cache.begin(); - iter != m_textureinfo_cache.end(); iter++) - { - //cleanup texture - if (iter->texture) - driver->removeTexture(iter->texture); - } - m_textureinfo_cache.clear(); - - for (std::list<video::ITexture*>::iterator iter = - m_texture_trash.begin(); iter != m_texture_trash.end(); - iter++) - { - video::ITexture *t = *iter; - - //cleanup trashed texture - driver->removeTexture(t); - } - - infostream << "~TextureSource() "<< textures_before << "/" - << driver->getTextureCount() << std::endl; -} - -u32 TextureSource::getTextureId(const std::string &name) -{ - //infostream<<"getTextureId(): \""<<name<<"\""<<std::endl; - - { - /* - See if texture already exists - */ - JMutexAutoLock lock(m_textureinfo_cache_mutex); - std::map<std::string, u32>::iterator n; - n = m_name_to_id.find(name); - if (n != m_name_to_id.end()) - { - return n->second; - } - } - - /* - Get texture - */ - if (get_current_thread_id() == m_main_thread) - { - return generateTexture(name); - } - else - { - infostream<<"getTextureId(): Queued: name=\""<<name<<"\""<<std::endl; - - // We're gonna ask the result to be put into here - static ResultQueue<std::string, u32, u8, u8> result_queue; - - // Throw a request in - m_get_texture_queue.add(name, 0, 0, &result_queue); - - /*infostream<<"Waiting for texture from main thread, name=\"" - <<name<<"\""<<std::endl;*/ - - try - { - while(true) { - // Wait result for a second - GetResult<std::string, u32, u8, u8> - result = result_queue.pop_front(1000); - - if (result.key == name) { - return result.item; - } - } - } - catch(ItemNotFoundException &e) - { - errorstream<<"Waiting for texture " << name << " timed out."<<std::endl; - return 0; - } - } - - infostream<<"getTextureId(): Failed"<<std::endl; - - return 0; -} - -// Draw an image on top of an another one, using the alpha channel of the -// source image -static void blit_with_alpha(video::IImage *src, video::IImage *dst, - v2s32 src_pos, v2s32 dst_pos, v2u32 size); - -// Like blit_with_alpha, but only modifies destination pixels that -// are fully opaque -static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst, - v2s32 src_pos, v2s32 dst_pos, v2u32 size); - -// Like blit_with_alpha overlay, but uses an int to calculate the ratio -// and modifies any destination pixels that are not fully transparent -static void blit_with_interpolate_overlay(video::IImage *src, video::IImage *dst, - v2s32 src_pos, v2s32 dst_pos, v2u32 size, int ratio); - -// Apply a mask to an image -static void apply_mask(video::IImage *mask, video::IImage *dst, - v2s32 mask_pos, v2s32 dst_pos, v2u32 size); - -// Draw or overlay a crack -static void draw_crack(video::IImage *crack, video::IImage *dst, - bool use_overlay, s32 frame_count, s32 progression, - video::IVideoDriver *driver); - -// Brighten image -void brighten(video::IImage *image); -// Parse a transform name -u32 parseImageTransform(const std::string& s); -// Apply transform to image dimension -core::dimension2d<u32> imageTransformDimension(u32 transform, core::dimension2d<u32> dim); -// Apply transform to image data -void imageTransform(u32 transform, video::IImage *src, video::IImage *dst); - -/* - This method generates all the textures -*/ -u32 TextureSource::generateTexture(const std::string &name) -{ - //infostream << "generateTexture(): name=\"" << name << "\"" << std::endl; - - // Empty name means texture 0 - if (name == "") { - infostream<<"generateTexture(): name is empty"<<std::endl; - return 0; - } - - { - /* - See if texture already exists - */ - JMutexAutoLock lock(m_textureinfo_cache_mutex); - std::map<std::string, u32>::iterator n; - n = m_name_to_id.find(name); - if (n != m_name_to_id.end()) { - return n->second; - } - } - - /* - Calling only allowed from main thread - */ - if (get_current_thread_id() != m_main_thread) { - errorstream<<"TextureSource::generateTexture() " - "called not from main thread"<<std::endl; - return 0; - } - - video::IVideoDriver *driver = m_device->getVideoDriver(); - assert(driver); - - video::IImage *img = generateImage(name); - - video::ITexture *tex = NULL; - - if (img != NULL) { -#ifdef __ANDROID__ - img = Align2Npot2(img, driver); -#endif - // Create texture from resulting image - tex = driver->addTexture(name.c_str(), img); - img->drop(); - } - - /* - Add texture to caches (add NULL textures too) - */ - - JMutexAutoLock lock(m_textureinfo_cache_mutex); - - u32 id = m_textureinfo_cache.size(); - TextureInfo ti(name, tex); - m_textureinfo_cache.push_back(ti); - m_name_to_id[name] = id; - - return id; -} - -std::string TextureSource::getTextureName(u32 id) -{ - JMutexAutoLock lock(m_textureinfo_cache_mutex); - - if (id >= m_textureinfo_cache.size()) - { - errorstream<<"TextureSource::getTextureName(): id="<<id - <<" >= m_textureinfo_cache.size()=" - <<m_textureinfo_cache.size()<<std::endl; - return ""; - } - - return m_textureinfo_cache[id].name; -} - -video::ITexture* TextureSource::getTexture(u32 id) -{ - JMutexAutoLock lock(m_textureinfo_cache_mutex); - - if (id >= m_textureinfo_cache.size()) - return NULL; - - return m_textureinfo_cache[id].texture; -} - -video::ITexture* TextureSource::getTexture(const std::string &name, u32 *id) -{ - u32 actual_id = getTextureId(name); - if (id){ - *id = actual_id; - } - return getTexture(actual_id); -} - -void TextureSource::processQueue() -{ - /* - Fetch textures - */ - //NOTE this is only thread safe for ONE consumer thread! - if (!m_get_texture_queue.empty()) - { - GetRequest<std::string, u32, u8, u8> - request = m_get_texture_queue.pop(); - - /*infostream<<"TextureSource::processQueue(): " - <<"got texture request with " - <<"name=\""<<request.key<<"\"" - <<std::endl;*/ - - m_get_texture_queue.pushResult(request, generateTexture(request.key)); - } -} - -void TextureSource::insertSourceImage(const std::string &name, video::IImage *img) -{ - //infostream<<"TextureSource::insertSourceImage(): name="<<name<<std::endl; - - assert(get_current_thread_id() == m_main_thread); - - m_sourcecache.insert(name, img, true, m_device->getVideoDriver()); - m_source_image_existence.set(name, true); -} - -void TextureSource::rebuildImagesAndTextures() -{ - JMutexAutoLock lock(m_textureinfo_cache_mutex); - - video::IVideoDriver* driver = m_device->getVideoDriver(); - assert(driver != 0); - - // Recreate textures - for (u32 i=0; i<m_textureinfo_cache.size(); i++){ - TextureInfo *ti = &m_textureinfo_cache[i]; - video::IImage *img = generateImage(ti->name); -#ifdef __ANDROID__ - img = Align2Npot2(img, driver); - assert(img->getDimension().Height == npot2(img->getDimension().Height)); - assert(img->getDimension().Width == npot2(img->getDimension().Width)); -#endif - // Create texture from resulting image - video::ITexture *t = NULL; - if (img) { - t = driver->addTexture(ti->name.c_str(), img); - img->drop(); - } - video::ITexture *t_old = ti->texture; - // Replace texture - ti->texture = t; - - if (t_old) - m_texture_trash.push_back(t_old); - } -} - -video::ITexture* TextureSource::generateTextureFromMesh( - const TextureFromMeshParams ¶ms) -{ - video::IVideoDriver *driver = m_device->getVideoDriver(); - assert(driver); - -#ifdef __ANDROID__ - const GLubyte* renderstr = glGetString(GL_RENDERER); - std::string renderer((char*) renderstr); - - // use no render to texture hack - if ( - (renderer.find("Adreno") != std::string::npos) || - (renderer.find("Mali") != std::string::npos) || - (renderer.find("Immersion") != std::string::npos) || - (renderer.find("Tegra") != std::string::npos) || - g_settings->getBool("inventory_image_hack") - ) { - // Get a scene manager - scene::ISceneManager *smgr_main = m_device->getSceneManager(); - assert(smgr_main); - scene::ISceneManager *smgr = smgr_main->createNewSceneManager(); - assert(smgr); - - const float scaling = 0.2; - - scene::IMeshSceneNode* meshnode = - smgr->addMeshSceneNode(params.mesh, NULL, - -1, v3f(0,0,0), v3f(0,0,0), - v3f(1.0 * scaling,1.0 * scaling,1.0 * scaling), true); - meshnode->setMaterialFlag(video::EMF_LIGHTING, true); - meshnode->setMaterialFlag(video::EMF_ANTI_ALIASING, true); - meshnode->setMaterialFlag(video::EMF_TRILINEAR_FILTER, m_setting_trilinear_filter); - meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, m_setting_bilinear_filter); - meshnode->setMaterialFlag(video::EMF_ANISOTROPIC_FILTER, m_setting_anisotropic_filter); - - scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0, - params.camera_position, params.camera_lookat); - // second parameter of setProjectionMatrix (isOrthogonal) is ignored - camera->setProjectionMatrix(params.camera_projection_matrix, false); - - smgr->setAmbientLight(params.ambient_light); - smgr->addLightSceneNode(0, - params.light_position, - params.light_color, - params.light_radius*scaling); - - core::dimension2d<u32> screen = driver->getScreenSize(); - - // Render scene - driver->beginScene(true, true, video::SColor(0,0,0,0)); - driver->clearZBuffer(); - smgr->drawAll(); - - core::dimension2d<u32> partsize(screen.Width * scaling,screen.Height * scaling); - - irr::video::IImage* rawImage = - driver->createImage(irr::video::ECF_A8R8G8B8, partsize); - - u8* pixels = static_cast<u8*>(rawImage->lock()); - if (!pixels) - { - rawImage->drop(); - return NULL; - } - - core::rect<s32> source( - screen.Width /2 - (screen.Width * (scaling / 2)), - screen.Height/2 - (screen.Height * (scaling / 2)), - screen.Width /2 + (screen.Width * (scaling / 2)), - screen.Height/2 + (screen.Height * (scaling / 2)) - ); - - glReadPixels(source.UpperLeftCorner.X, source.UpperLeftCorner.Y, - partsize.Width, partsize.Height, GL_RGBA, - GL_UNSIGNED_BYTE, pixels); - - driver->endScene(); - - // Drop scene manager - smgr->drop(); - - unsigned int pixelcount = partsize.Width*partsize.Height; - - u8* runptr = pixels; - for (unsigned int i=0; i < pixelcount; i++) { - - u8 B = *runptr; - u8 G = *(runptr+1); - u8 R = *(runptr+2); - u8 A = *(runptr+3); - - //BGRA -> RGBA - *runptr = R; - runptr ++; - *runptr = G; - runptr ++; - *runptr = B; - runptr ++; - *runptr = A; - runptr ++; - } - - video::IImage* inventory_image = - driver->createImage(irr::video::ECF_A8R8G8B8, params.dim); - - rawImage->copyToScaling(inventory_image); - rawImage->drop(); - - video::ITexture *rtt = driver->addTexture(params.rtt_texture_name.c_str(), inventory_image); - inventory_image->drop(); - - if (rtt == NULL) { - errorstream << "TextureSource::generateTextureFromMesh(): failed to recreate texture from image: " << params.rtt_texture_name << std::endl; - return NULL; - } - - driver->makeColorKeyTexture(rtt, v2s32(0,0)); - - if (params.delete_texture_on_shutdown) - m_texture_trash.push_back(rtt); - - return rtt; - } -#endif - - if (driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false) - { - static bool warned = false; - if (!warned) - { - errorstream<<"TextureSource::generateTextureFromMesh(): " - <<"EVDF_RENDER_TO_TARGET not supported."<<std::endl; - warned = true; - } - return NULL; - } - - // Create render target texture - video::ITexture *rtt = driver->addRenderTargetTexture( - params.dim, params.rtt_texture_name.c_str(), - video::ECF_A8R8G8B8); - if (rtt == NULL) - { - errorstream<<"TextureSource::generateTextureFromMesh(): " - <<"addRenderTargetTexture returned NULL."<<std::endl; - return NULL; - } - - // Set render target - if (!driver->setRenderTarget(rtt, false, true, video::SColor(0,0,0,0))) { - driver->removeTexture(rtt); - errorstream<<"TextureSource::generateTextureFromMesh(): " - <<"failed to set render target"<<std::endl; - return NULL; - } - - // Get a scene manager - scene::ISceneManager *smgr_main = m_device->getSceneManager(); - assert(smgr_main); - scene::ISceneManager *smgr = smgr_main->createNewSceneManager(); - assert(smgr); - - scene::IMeshSceneNode* meshnode = - smgr->addMeshSceneNode(params.mesh, NULL, - -1, v3f(0,0,0), v3f(0,0,0), v3f(1,1,1), true); - meshnode->setMaterialFlag(video::EMF_LIGHTING, true); - meshnode->setMaterialFlag(video::EMF_ANTI_ALIASING, true); - meshnode->setMaterialFlag(video::EMF_TRILINEAR_FILTER, m_setting_trilinear_filter); - meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, m_setting_bilinear_filter); - meshnode->setMaterialFlag(video::EMF_ANISOTROPIC_FILTER, m_setting_anisotropic_filter); - - scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0, - params.camera_position, params.camera_lookat); - // second parameter of setProjectionMatrix (isOrthogonal) is ignored - camera->setProjectionMatrix(params.camera_projection_matrix, false); - - smgr->setAmbientLight(params.ambient_light); - smgr->addLightSceneNode(0, - params.light_position, - params.light_color, - params.light_radius); - - // Render scene - driver->beginScene(true, true, video::SColor(0,0,0,0)); - smgr->drawAll(); - driver->endScene(); - - // Drop scene manager - smgr->drop(); - - // Unset render target - driver->setRenderTarget(0, false, true, 0); - - if (params.delete_texture_on_shutdown) - m_texture_trash.push_back(rtt); - - return rtt; -} - -video::IImage* TextureSource::generateImage(const std::string &name) -{ - /* - Get the base image - */ - - const char separator = '^'; - const char paren_open = '('; - const char paren_close = ')'; - - // Find last separator in the name - s32 last_separator_pos = -1; - u8 paren_bal = 0; - for (s32 i = name.size() - 1; i >= 0; i--) { - switch(name[i]) { - case separator: - if (paren_bal == 0) { - last_separator_pos = i; - i = -1; // break out of loop - } - break; - case paren_open: - if (paren_bal == 0) { - errorstream << "generateImage(): unbalanced parentheses" - << "(extranous '(') while generating texture \"" - << name << "\"" << std::endl; - return NULL; - } - paren_bal--; - break; - case paren_close: - paren_bal++; - break; - default: - break; - } - } - if (paren_bal > 0) { - errorstream << "generateImage(): unbalanced parentheses" - << "(missing matching '(') while generating texture \"" - << name << "\"" << std::endl; - return NULL; - } - - - video::IImage *baseimg = NULL; - - /* - If separator was found, make the base image - using a recursive call. - */ - if (last_separator_pos != -1) { - baseimg = generateImage(name.substr(0, last_separator_pos)); - } - - - video::IVideoDriver* driver = m_device->getVideoDriver(); - assert(driver); - - /* - Parse out the last part of the name of the image and act - according to it - */ - - std::string last_part_of_name = name.substr(last_separator_pos + 1); - - /* - If this name is enclosed in parentheses, generate it - and blit it onto the base image - */ - if (last_part_of_name[0] == paren_open - && last_part_of_name[last_part_of_name.size() - 1] == paren_close) { - std::string name2 = last_part_of_name.substr(1, - last_part_of_name.size() - 2); - video::IImage *tmp = generateImage(name2); - if (!tmp) { - errorstream << "generateImage(): " - "Failed to generate \"" << name2 << "\"" - << std::endl; - return NULL; - } - core::dimension2d<u32> dim = tmp->getDimension(); - if (!baseimg) - baseimg = driver->createImage(video::ECF_A8R8G8B8, dim); - blit_with_alpha(tmp, baseimg, v2s32(0, 0), v2s32(0, 0), dim); - tmp->drop(); - } else if (!generateImagePart(last_part_of_name, baseimg)) { - // Generate image according to part of name - errorstream << "generateImage(): " - "Failed to generate \"" << last_part_of_name << "\"" - << std::endl; - } - - // If no resulting image, print a warning - if (baseimg == NULL) { - errorstream << "generateImage(): baseimg is NULL (attempted to" - " create texture \"" << name << "\")" << std::endl; - } - - return baseimg; -} - -#ifdef __ANDROID__ -#include <GLES/gl.h> -/** - * Check and align image to npot2 if required by hardware - * @param image image to check for npot2 alignment - * @param driver driver to use for image operations - * @return image or copy of image aligned to npot2 - */ -video::IImage * Align2Npot2(video::IImage * image, - video::IVideoDriver* driver) -{ - if (image == NULL) { - return image; - } - - core::dimension2d<u32> dim = image->getDimension(); - - std::string extensions = (char*) glGetString(GL_EXTENSIONS); - if (extensions.find("GL_OES_texture_npot") != std::string::npos) { - return image; - } - - unsigned int height = npot2(dim.Height); - unsigned int width = npot2(dim.Width); - - if ((dim.Height == height) && - (dim.Width == width)) { - return image; - } - - if (dim.Height > height) { - height *= 2; - } - - if (dim.Width > width) { - width *= 2; - } - - video::IImage *targetimage = - driver->createImage(video::ECF_A8R8G8B8, - core::dimension2d<u32>(width, height)); - - if (targetimage != NULL) { - image->copyToScaling(targetimage); - } - image->drop(); - return targetimage; -} - -#endif - -bool TextureSource::generateImagePart(std::string part_of_name, - video::IImage *& baseimg) -{ - video::IVideoDriver* driver = m_device->getVideoDriver(); - assert(driver); - - // Stuff starting with [ are special commands - if (part_of_name.size() == 0 || part_of_name[0] != '[') - { - video::IImage *image = m_sourcecache.getOrLoad(part_of_name, m_device); -#ifdef __ANDROID__ - image = Align2Npot2(image, driver); -#endif - if (image == NULL) { - if (part_of_name != "") { - if (part_of_name.find("_normal.png") == std::string::npos){ - errorstream<<"generateImage(): Could not load image \"" - <<part_of_name<<"\""<<" while building texture"<<std::endl; - errorstream<<"generateImage(): Creating a dummy" - <<" image for \""<<part_of_name<<"\""<<std::endl; - } else { - infostream<<"generateImage(): Could not load normal map \"" - <<part_of_name<<"\""<<std::endl; - infostream<<"generateImage(): Creating a dummy" - <<" normal map for \""<<part_of_name<<"\""<<std::endl; - } - } - - // Just create a dummy image - //core::dimension2d<u32> dim(2,2); - core::dimension2d<u32> dim(1,1); - image = driver->createImage(video::ECF_A8R8G8B8, dim); - assert(image); - /*image->setPixel(0,0, video::SColor(255,255,0,0)); - image->setPixel(1,0, video::SColor(255,0,255,0)); - image->setPixel(0,1, video::SColor(255,0,0,255)); - image->setPixel(1,1, video::SColor(255,255,0,255));*/ - image->setPixel(0,0, video::SColor(255,myrand()%256, - myrand()%256,myrand()%256)); - /*image->setPixel(1,0, video::SColor(255,myrand()%256, - myrand()%256,myrand()%256)); - image->setPixel(0,1, video::SColor(255,myrand()%256, - myrand()%256,myrand()%256)); - image->setPixel(1,1, video::SColor(255,myrand()%256, - myrand()%256,myrand()%256));*/ - } - - // If base image is NULL, load as base. - if (baseimg == NULL) - { - //infostream<<"Setting "<<part_of_name<<" as base"<<std::endl; - /* - Copy it this way to get an alpha channel. - Otherwise images with alpha cannot be blitted on - images that don't have alpha in the original file. - */ - core::dimension2d<u32> dim = image->getDimension(); - baseimg = driver->createImage(video::ECF_A8R8G8B8, dim); - image->copyTo(baseimg); - } - // 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);*/ - blit_with_alpha(image, baseimg, pos_from, pos_to, dim); - } - //cleanup - image->drop(); - } - else - { - // A special texture modification - - /*infostream<<"generateImage(): generating special " - <<"modification \""<<part_of_name<<"\"" - <<std::endl;*/ - - /* - [crack:N:P - [cracko:N:P - Adds a cracking texture - N = animation frame count, P = crack progression - */ - if (part_of_name.substr(0,6) == "[crack") - { - if (baseimg == NULL) { - errorstream<<"generateImagePart(): baseimg == NULL " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - // Crack image number and overlay option - bool use_overlay = (part_of_name[6] == 'o'); - Strfnd sf(part_of_name); - sf.next(":"); - s32 frame_count = stoi(sf.next(":")); - s32 progression = stoi(sf.next(":")); - - /* - Load crack image. - - It is an image with a number of cracking stages - horizontally tiled. - */ - video::IImage *img_crack = m_sourcecache.getOrLoad( - "crack_anylength.png", m_device); - - if (img_crack && progression >= 0) - { - draw_crack(img_crack, baseimg, - use_overlay, frame_count, - progression, driver); - img_crack->drop(); - } - } - /* - [combine:WxH:X,Y=filename:X,Y=filename2 - Creates a bigger texture from an amount of smaller ones - */ - else if (part_of_name.substr(0,8) == "[combine") - { - Strfnd sf(part_of_name); - sf.next(":"); - u32 w0 = stoi(sf.next("x")); - u32 h0 = stoi(sf.next(":")); - //infostream<<"combined w="<<w0<<" h="<<h0<<std::endl; - core::dimension2d<u32> dim(w0,h0); - if (baseimg == NULL) { - baseimg = driver->createImage(video::ECF_A8R8G8B8, dim); - baseimg->fill(video::SColor(0,0,0,0)); - } - while (sf.atend() == false) { - u32 x = stoi(sf.next(",")); - u32 y = stoi(sf.next("=")); - std::string filename = sf.next(":"); - infostream<<"Adding \""<<filename - <<"\" to combined ("<<x<<","<<y<<")" - <<std::endl; - video::IImage *img = m_sourcecache.getOrLoad(filename, m_device); - if (img) { - core::dimension2d<u32> dim = img->getDimension(); - infostream<<"Size "<<dim.Width - <<"x"<<dim.Height<<std::endl; - core::position2d<s32> pos_base(x, y); - video::IImage *img2 = - driver->createImage(video::ECF_A8R8G8B8, dim); - img->copyTo(img2); - img->drop(); - /*img2->copyToWithAlpha(baseimg, pos_base, - core::rect<s32>(v2s32(0,0), dim), - video::SColor(255,255,255,255), - NULL);*/ - blit_with_alpha(img2, baseimg, v2s32(0,0), pos_base, dim); - img2->drop(); - } else { - errorstream << "generateImagePart(): Failed to load image \"" - << filename << "\" for [combine" << std::endl; - } - } - } - /* - "[brighten" - */ - else if (part_of_name.substr(0,9) == "[brighten") - { - if (baseimg == NULL) { - errorstream<<"generateImagePart(): baseimg==NULL " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - brighten(baseimg); - } - /* - "[noalpha" - Make image completely opaque. - Used for the leaves texture when in old leaves mode, so - that the transparent parts don't look completely black - when simple alpha channel is used for rendering. - */ - else if (part_of_name.substr(0,8) == "[noalpha") - { - if (baseimg == NULL){ - errorstream<<"generateImagePart(): baseimg==NULL " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - core::dimension2d<u32> dim = baseimg->getDimension(); - - // Set alpha to full - for (u32 y=0; y<dim.Height; y++) - for (u32 x=0; x<dim.Width; x++) - { - video::SColor c = baseimg->getPixel(x,y); - c.setAlpha(255); - baseimg->setPixel(x,y,c); - } - } - /* - "[makealpha:R,G,B" - Convert one color to transparent. - */ - else if (part_of_name.substr(0,11) == "[makealpha:") - { - if (baseimg == NULL) { - errorstream<<"generateImagePart(): baseimg == NULL " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - Strfnd sf(part_of_name.substr(11)); - u32 r1 = stoi(sf.next(",")); - u32 g1 = stoi(sf.next(",")); - u32 b1 = stoi(sf.next("")); - std::string filename = sf.next(""); - - core::dimension2d<u32> dim = baseimg->getDimension(); - - /*video::IImage *oldbaseimg = baseimg; - baseimg = driver->createImage(video::ECF_A8R8G8B8, dim); - oldbaseimg->copyTo(baseimg); - oldbaseimg->drop();*/ - - // Set alpha to full - for (u32 y=0; y<dim.Height; y++) - for (u32 x=0; x<dim.Width; x++) - { - video::SColor c = baseimg->getPixel(x,y); - u32 r = c.getRed(); - u32 g = c.getGreen(); - u32 b = c.getBlue(); - if (!(r == r1 && g == g1 && b == b1)) - continue; - c.setAlpha(0); - baseimg->setPixel(x,y,c); - } - } - /* - "[transformN" - Rotates and/or flips the image. - - N can be a number (between 0 and 7) or a transform name. - Rotations are counter-clockwise. - 0 I identity - 1 R90 rotate by 90 degrees - 2 R180 rotate by 180 degrees - 3 R270 rotate by 270 degrees - 4 FX flip X - 5 FXR90 flip X then rotate by 90 degrees - 6 FY flip Y - 7 FYR90 flip Y then rotate by 90 degrees - - Note: Transform names can be concatenated to produce - their product (applies the first then the second). - The resulting transform will be equivalent to one of the - eight existing ones, though (see: dihedral group). - */ - else if (part_of_name.substr(0,10) == "[transform") - { - if (baseimg == NULL) { - errorstream<<"generateImagePart(): baseimg == NULL " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - u32 transform = parseImageTransform(part_of_name.substr(10)); - core::dimension2d<u32> dim = imageTransformDimension( - transform, baseimg->getDimension()); - video::IImage *image = driver->createImage( - baseimg->getColorFormat(), dim); - assert(image); - imageTransform(transform, baseimg, image); - baseimg->drop(); - baseimg = image; - } - /* - [inventorycube{topimage{leftimage{rightimage - In every subimage, replace ^ with &. - Create an "inventory cube". - NOTE: This should be used only on its own. - Example (a grass block (not actually used in game): - "[inventorycube{grass.png{mud.png&grass_side.png{mud.png&grass_side.png" - */ - else if (part_of_name.substr(0,14) == "[inventorycube") - { - if (baseimg != NULL){ - errorstream<<"generateImagePart(): baseimg != NULL " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - str_replace(part_of_name, '&', '^'); - Strfnd sf(part_of_name); - sf.next("{"); - std::string imagename_top = sf.next("{"); - std::string imagename_left = sf.next("{"); - std::string imagename_right = sf.next("{"); - - // Generate images for the faces of the cube - video::IImage *img_top = generateImage(imagename_top); - video::IImage *img_left = generateImage(imagename_left); - video::IImage *img_right = generateImage(imagename_right); - - if (img_top == NULL || img_left == NULL || img_right == NULL) { - errorstream << "generateImagePart(): Failed to create textures" - << " for inventorycube \"" << part_of_name << "\"" - << std::endl; - baseimg = generateImage(imagename_top); - return true; - } - -#ifdef __ANDROID__ - assert(img_top->getDimension().Height == npot2(img_top->getDimension().Height)); - assert(img_top->getDimension().Width == npot2(img_top->getDimension().Width)); - - assert(img_left->getDimension().Height == npot2(img_left->getDimension().Height)); - assert(img_left->getDimension().Width == npot2(img_left->getDimension().Width)); - - assert(img_right->getDimension().Height == npot2(img_right->getDimension().Height)); - assert(img_right->getDimension().Width == npot2(img_right->getDimension().Width)); -#endif - - // Create textures from images - video::ITexture *texture_top = driver->addTexture( - (imagename_top + "__temp__").c_str(), img_top); - video::ITexture *texture_left = driver->addTexture( - (imagename_left + "__temp__").c_str(), img_left); - video::ITexture *texture_right = driver->addTexture( - (imagename_right + "__temp__").c_str(), img_right); - assert(texture_top && texture_left && texture_right); - - // Drop images - img_top->drop(); - img_left->drop(); - img_right->drop(); - - /* - Draw a cube mesh into a render target texture - */ - scene::IMesh* cube = createCubeMesh(v3f(1, 1, 1)); - setMeshColor(cube, video::SColor(255, 255, 255, 255)); - cube->getMeshBuffer(0)->getMaterial().setTexture(0, texture_top); - cube->getMeshBuffer(1)->getMaterial().setTexture(0, texture_top); - cube->getMeshBuffer(2)->getMaterial().setTexture(0, texture_right); - cube->getMeshBuffer(3)->getMaterial().setTexture(0, texture_right); - cube->getMeshBuffer(4)->getMaterial().setTexture(0, texture_left); - cube->getMeshBuffer(5)->getMaterial().setTexture(0, texture_left); - - TextureFromMeshParams params; - params.mesh = cube; - params.dim.set(64, 64); - params.rtt_texture_name = part_of_name + "_RTT"; - // We will delete the rtt texture ourselves - params.delete_texture_on_shutdown = false; - params.camera_position.set(0, 1.0, -1.5); - params.camera_position.rotateXZBy(45); - params.camera_lookat.set(0, 0, 0); - // Set orthogonal projection - params.camera_projection_matrix.buildProjectionMatrixOrthoLH( - 1.65, 1.65, 0, 100); - - params.ambient_light.set(1.0, 0.2, 0.2, 0.2); - params.light_position.set(10, 100, -50); - params.light_color.set(1.0, 0.5, 0.5, 0.5); - params.light_radius = 1000; - - video::ITexture *rtt = generateTextureFromMesh(params); - - // Drop mesh - cube->drop(); - - // Free textures - driver->removeTexture(texture_top); - driver->removeTexture(texture_left); - driver->removeTexture(texture_right); - - if (rtt == NULL) { - baseimg = generateImage(imagename_top); - return true; - } - - // Create image of render target - video::IImage *image = driver->createImage(rtt, v2s32(0, 0), params.dim); - assert(image); - - // Cleanup texture - driver->removeTexture(rtt); - - baseimg = driver->createImage(video::ECF_A8R8G8B8, params.dim); - - if (image) { - image->copyTo(baseimg); - image->drop(); - } - } - /* - [lowpart:percent:filename - Adds the lower part of a texture - */ - else if (part_of_name.substr(0,9) == "[lowpart:") - { - Strfnd sf(part_of_name); - sf.next(":"); - u32 percent = stoi(sf.next(":")); - std::string filename = sf.next(":"); - //infostream<<"power part "<<percent<<"%% of "<<filename<<std::endl; - - if (baseimg == NULL) - baseimg = driver->createImage(video::ECF_A8R8G8B8, v2u32(16,16)); - video::IImage *img = m_sourcecache.getOrLoad(filename, m_device); - if (img) - { - core::dimension2d<u32> dim = img->getDimension(); - core::position2d<s32> pos_base(0, 0); - video::IImage *img2 = - driver->createImage(video::ECF_A8R8G8B8, dim); - img->copyTo(img2); - img->drop(); - core::position2d<s32> clippos(0, 0); - clippos.Y = dim.Height * (100-percent) / 100; - core::dimension2d<u32> clipdim = dim; - clipdim.Height = clipdim.Height * percent / 100 + 1; - core::rect<s32> cliprect(clippos, clipdim); - img2->copyToWithAlpha(baseimg, pos_base, - core::rect<s32>(v2s32(0,0), dim), - video::SColor(255,255,255,255), - &cliprect); - img2->drop(); - } - } - /* - [verticalframe:N:I - Crops a frame of a vertical animation. - N = frame count, I = frame index - */ - else if (part_of_name.substr(0,15) == "[verticalframe:") - { - Strfnd sf(part_of_name); - sf.next(":"); - u32 frame_count = stoi(sf.next(":")); - u32 frame_index = stoi(sf.next(":")); - - if (baseimg == NULL){ - errorstream<<"generateImagePart(): baseimg != NULL " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - v2u32 frame_size = baseimg->getDimension(); - frame_size.Y /= frame_count; - - video::IImage *img = driver->createImage(video::ECF_A8R8G8B8, - frame_size); - if (!img){ - errorstream<<"generateImagePart(): Could not create image " - <<"for part_of_name=\""<<part_of_name - <<"\", cancelling."<<std::endl; - return false; - } - - // Fill target image with transparency - img->fill(video::SColor(0,0,0,0)); - - core::dimension2d<u32> dim = frame_size; - core::position2d<s32> pos_dst(0, 0); - core::position2d<s32> pos_src(0, frame_index * frame_size.Y); - baseimg->copyToWithAlpha(img, pos_dst, - core::rect<s32>(pos_src, dim), - video::SColor(255,255,255,255), - NULL); - // Replace baseimg - baseimg->drop(); - baseimg = img; - } - /* - [mask:filename - Applies a mask to an image - */ - else if (part_of_name.substr(0,6) == "[mask:") - { - if (baseimg == NULL) { - errorstream << "generateImage(): baseimg == NULL " - << "for part_of_name=\"" << part_of_name - << "\", cancelling." << std::endl; - return false; - } - Strfnd sf(part_of_name); - sf.next(":"); - std::string filename = sf.next(":"); - - video::IImage *img = m_sourcecache.getOrLoad(filename, m_device); - if (img) { - apply_mask(img, baseimg, v2s32(0, 0), v2s32(0, 0), - img->getDimension()); - } else { - errorstream << "generateImage(): Failed to load \"" - << filename << "\"."; - } - } - /* - [colorize:color - Overlays image with given color - color = color as ColorString - */ - else if (part_of_name.substr(0,10) == "[colorize:") { - Strfnd sf(part_of_name); - sf.next(":"); - std::string color_str = sf.next(":"); - std::string ratio_str = sf.next(":"); - - if (baseimg == NULL) { - errorstream << "generateImagePart(): baseimg != NULL " - << "for part_of_name=\"" << part_of_name - << "\", cancelling." << std::endl; - return false; - } - - video::SColor color; - int ratio = -1; - - if (!parseColorString(color_str, color, false)) - return false; - - if (is_number(ratio_str)) - ratio = mystoi(ratio_str, 0, 255); - - core::dimension2d<u32> dim = baseimg->getDimension(); - video::IImage *img = driver->createImage(video::ECF_A8R8G8B8, dim); - - if (!img) { - errorstream << "generateImagePart(): Could not create image " - << "for part_of_name=\"" << part_of_name - << "\", cancelling." << std::endl; - return false; - } - - img->fill(video::SColor(color)); - // Overlay the colored image - blit_with_interpolate_overlay(img, baseimg, v2s32(0,0), v2s32(0,0), dim, ratio); - img->drop(); - } - else - { - errorstream << "generateImagePart(): Invalid " - " modification: \"" << part_of_name << "\"" << std::endl; - } - } - - return true; -} - -/* - Draw an image on top of an another one, using the alpha channel of the - source image - - This exists because IImage::copyToWithAlpha() doesn't seem to always - work. -*/ -static void blit_with_alpha(video::IImage *src, video::IImage *dst, - v2s32 src_pos, v2s32 dst_pos, v2u32 size) -{ - for (u32 y0=0; y0<size.Y; y0++) - for (u32 x0=0; x0<size.X; x0++) - { - s32 src_x = src_pos.X + x0; - s32 src_y = src_pos.Y + y0; - s32 dst_x = dst_pos.X + x0; - s32 dst_y = dst_pos.Y + y0; - video::SColor src_c = src->getPixel(src_x, src_y); - video::SColor dst_c = dst->getPixel(dst_x, dst_y); - dst_c = src_c.getInterpolated(dst_c, (float)src_c.getAlpha()/255.0f); - dst->setPixel(dst_x, dst_y, dst_c); - } -} - -/* - Draw an image on top of an another one, using the alpha channel of the - source image; only modify fully opaque pixels in destinaion -*/ -static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst, - v2s32 src_pos, v2s32 dst_pos, v2u32 size) -{ - for (u32 y0=0; y0<size.Y; y0++) - for (u32 x0=0; x0<size.X; x0++) - { - s32 src_x = src_pos.X + x0; - s32 src_y = src_pos.Y + y0; - s32 dst_x = dst_pos.X + x0; - s32 dst_y = dst_pos.Y + y0; - video::SColor src_c = src->getPixel(src_x, src_y); - video::SColor dst_c = dst->getPixel(dst_x, dst_y); - if (dst_c.getAlpha() == 255 && src_c.getAlpha() != 0) - { - dst_c = src_c.getInterpolated(dst_c, (float)src_c.getAlpha()/255.0f); - dst->setPixel(dst_x, dst_y, dst_c); - } - } -} - -/* - Draw an image on top of an another one, using the specified ratio - modify all partially-opaque pixels in the destination. -*/ -static void blit_with_interpolate_overlay(video::IImage *src, video::IImage *dst, - v2s32 src_pos, v2s32 dst_pos, v2u32 size, int ratio) -{ - for (u32 y0 = 0; y0 < size.Y; y0++) - for (u32 x0 = 0; x0 < size.X; x0++) - { - s32 src_x = src_pos.X + x0; - s32 src_y = src_pos.Y + y0; - s32 dst_x = dst_pos.X + x0; - s32 dst_y = dst_pos.Y + y0; - video::SColor src_c = src->getPixel(src_x, src_y); - video::SColor dst_c = dst->getPixel(dst_x, dst_y); - if (dst_c.getAlpha() > 0 && src_c.getAlpha() != 0) - { - if (ratio == -1) - dst_c = src_c.getInterpolated(dst_c, (float)src_c.getAlpha()/255.0f); - else - dst_c = src_c.getInterpolated(dst_c, (float)ratio/255.0f); - dst->setPixel(dst_x, dst_y, dst_c); - } - } -} - -/* - Apply mask to destination -*/ -static void apply_mask(video::IImage *mask, video::IImage *dst, - v2s32 mask_pos, v2s32 dst_pos, v2u32 size) -{ - for (u32 y0 = 0; y0 < size.Y; y0++) { - for (u32 x0 = 0; x0 < size.X; x0++) { - s32 mask_x = x0 + mask_pos.X; - s32 mask_y = y0 + mask_pos.Y; - s32 dst_x = x0 + dst_pos.X; - s32 dst_y = y0 + dst_pos.Y; - video::SColor mask_c = mask->getPixel(mask_x, mask_y); - video::SColor dst_c = dst->getPixel(dst_x, dst_y); - dst_c.color &= mask_c.color; - dst->setPixel(dst_x, dst_y, dst_c); - } - } -} - -static void draw_crack(video::IImage *crack, video::IImage *dst, - bool use_overlay, s32 frame_count, s32 progression, - video::IVideoDriver *driver) -{ - // Dimension of destination image - core::dimension2d<u32> dim_dst = dst->getDimension(); - // Dimension of original image - core::dimension2d<u32> dim_crack = crack->getDimension(); - // Count of crack stages - s32 crack_count = dim_crack.Height / dim_crack.Width; - // Limit frame_count - if (frame_count > (s32) dim_dst.Height) - frame_count = dim_dst.Height; - if (frame_count < 1) - frame_count = 1; - // Limit progression - if (progression > crack_count-1) - progression = crack_count-1; - // Dimension of a single crack stage - core::dimension2d<u32> dim_crack_cropped( - dim_crack.Width, - dim_crack.Width - ); - // Dimension of the scaled crack stage, - // which is the same as the dimension of a single destination frame - core::dimension2d<u32> dim_crack_scaled( - dim_dst.Width, - dim_dst.Height / frame_count - ); - // Create cropped and scaled crack images - video::IImage *crack_cropped = driver->createImage( - video::ECF_A8R8G8B8, dim_crack_cropped); - video::IImage *crack_scaled = driver->createImage( - video::ECF_A8R8G8B8, dim_crack_scaled); - - if (crack_cropped && crack_scaled) - { - // Crop crack image - v2s32 pos_crack(0, progression*dim_crack.Width); - crack->copyTo(crack_cropped, - v2s32(0,0), - core::rect<s32>(pos_crack, dim_crack_cropped)); - // Scale crack image by copying - crack_cropped->copyToScaling(crack_scaled); - // Copy or overlay crack image onto each frame - for (s32 i = 0; i < frame_count; ++i) - { - v2s32 dst_pos(0, dim_crack_scaled.Height * i); - if (use_overlay) - { - blit_with_alpha_overlay(crack_scaled, dst, - v2s32(0,0), dst_pos, - dim_crack_scaled); - } - else - { - blit_with_alpha(crack_scaled, dst, - v2s32(0,0), dst_pos, - dim_crack_scaled); - } - } - } - - if (crack_scaled) - crack_scaled->drop(); - - if (crack_cropped) - crack_cropped->drop(); -} - -void brighten(video::IImage *image) -{ - if (image == NULL) - return; - - core::dimension2d<u32> dim = image->getDimension(); - - for (u32 y=0; y<dim.Height; y++) - for (u32 x=0; x<dim.Width; x++) - { - video::SColor c = image->getPixel(x,y); - c.setRed(0.5 * 255 + 0.5 * (float)c.getRed()); - c.setGreen(0.5 * 255 + 0.5 * (float)c.getGreen()); - c.setBlue(0.5 * 255 + 0.5 * (float)c.getBlue()); - image->setPixel(x,y,c); - } -} - -u32 parseImageTransform(const std::string& s) -{ - int total_transform = 0; - - std::string transform_names[8]; - transform_names[0] = "i"; - transform_names[1] = "r90"; - transform_names[2] = "r180"; - transform_names[3] = "r270"; - transform_names[4] = "fx"; - transform_names[6] = "fy"; - - std::size_t pos = 0; - while(pos < s.size()) - { - int transform = -1; - for (int i = 0; i <= 7; ++i) - { - const std::string &name_i = transform_names[i]; - - if (s[pos] == ('0' + i)) - { - transform = i; - pos++; - break; - } - else if (!(name_i.empty()) && - lowercase(s.substr(pos, name_i.size())) == name_i) - { - transform = i; - pos += name_i.size(); - break; - } - } - if (transform < 0) - break; - - // Multiply total_transform and transform in the group D4 - int new_total = 0; - if (transform < 4) - new_total = (transform + total_transform) % 4; - else - new_total = (transform - total_transform + 8) % 4; - if ((transform >= 4) ^ (total_transform >= 4)) - new_total += 4; - - total_transform = new_total; - } - return total_transform; -} - -core::dimension2d<u32> imageTransformDimension(u32 transform, core::dimension2d<u32> dim) -{ - if (transform % 2 == 0) - return dim; - else - return core::dimension2d<u32>(dim.Height, dim.Width); -} - -void imageTransform(u32 transform, video::IImage *src, video::IImage *dst) -{ - if (src == NULL || dst == NULL) - return; - - core::dimension2d<u32> srcdim = src->getDimension(); - core::dimension2d<u32> dstdim = dst->getDimension(); - - assert(dstdim == imageTransformDimension(transform, srcdim)); - assert(transform <= 7); - - /* - Compute the transformation from source coordinates (sx,sy) - to destination coordinates (dx,dy). - */ - int sxn = 0; - int syn = 2; - if (transform == 0) // identity - sxn = 0, syn = 2; // sx = dx, sy = dy - else if (transform == 1) // rotate by 90 degrees ccw - sxn = 3, syn = 0; // sx = (H-1) - dy, sy = dx - else if (transform == 2) // rotate by 180 degrees - sxn = 1, syn = 3; // sx = (W-1) - dx, sy = (H-1) - dy - else if (transform == 3) // rotate by 270 degrees ccw - sxn = 2, syn = 1; // sx = dy, sy = (W-1) - dx - else if (transform == 4) // flip x - sxn = 1, syn = 2; // sx = (W-1) - dx, sy = dy - else if (transform == 5) // flip x then rotate by 90 degrees ccw - sxn = 2, syn = 0; // sx = dy, sy = dx - else if (transform == 6) // flip y - sxn = 0, syn = 3; // sx = dx, sy = (H-1) - dy - else if (transform == 7) // flip y then rotate by 90 degrees ccw - sxn = 3, syn = 1; // sx = (H-1) - dy, sy = (W-1) - dx - - for (u32 dy=0; dy<dstdim.Height; dy++) - for (u32 dx=0; dx<dstdim.Width; dx++) - { - u32 entries[4] = {dx, dstdim.Width-1-dx, dy, dstdim.Height-1-dy}; - u32 sx = entries[sxn]; - u32 sy = entries[syn]; - video::SColor c = src->getPixel(sx,sy); - dst->setPixel(dx,dy,c); - } -} - -video::ITexture* TextureSource::getNormalTexture(const std::string &name) -{ - u32 id; - if (isKnownSourceImage("override_normal.png")) - return getTexture("override_normal.png", &id); - std::string fname_base = name; - std::string normal_ext = "_normal.png"; - size_t pos = fname_base.find("."); - std::string fname_normal = fname_base.substr(0, pos) + normal_ext; - if (isKnownSourceImage(fname_normal)) { - // look for image extension and replace it - size_t i = 0; - while ((i = fname_base.find(".", i)) != std::string::npos) { - fname_base.replace(i, 4, normal_ext); - i += normal_ext.length(); - } - return getTexture(fname_base, &id); - } - return NULL; -} |