diff options
Diffstat (limited to 'src/client/tile.cpp')
| -rw-r--r-- | src/client/tile.cpp | 224 |
1 files changed, 196 insertions, 28 deletions
diff --git a/src/client/tile.cpp b/src/client/tile.cpp index 8f0c39465..99495132b 100644 --- a/src/client/tile.cpp +++ b/src/client/tile.cpp @@ -134,9 +134,8 @@ std::string getTexturePath(const std::string &filename) /* Check from texture_path */ - std::string texture_path = g_settings->get("texture_path"); - if (texture_path != "") - { + const 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); @@ -342,6 +341,8 @@ public: */ video::ITexture* getTextureForMesh(const std::string &name, u32 *id); + virtual Palette* getPalette(const std::string &name); + // Returns a pointer to the irrlicht device virtual IrrlichtDevice* getDevice() { @@ -378,11 +379,6 @@ public: 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); video::SColor getTextureAverageColor(const std::string &name); video::ITexture *getShaderFlagsTexture(bool normamap_present); @@ -405,6 +401,13 @@ private: // if baseimg is NULL, it is created. Otherwise stuff is made on it. bool generateImagePart(std::string part_of_name, video::IImage *& baseimg); + /*! Generates an image from a full string like + * "stone.png^mineral_coal.png^[crack:1:0". + * Shall be called from the main thread. + * The returned Image should be dropped. + */ + video::IImage* generateImage(const std::string &name); + // Thread-safe cache of what source images are known (true = known) MutexedMap<std::string, bool> m_source_image_existence; @@ -423,6 +426,9 @@ private: // but can't be deleted because the ITexture* might still be used std::vector<video::ITexture*> m_texture_trash; + // Maps image file names to loaded palettes. + UNORDERED_MAP<std::string, Palette> m_palettes; + // Cached settings needed for making textures from meshes bool m_setting_trilinear_filter; bool m_setting_bilinear_filter; @@ -558,7 +564,11 @@ static void blit_with_alpha_overlay(video::IImage *src, video::IImage *dst, // color alpha with the destination alpha. // Otherwise, any pixels that are not fully transparent get the color alpha. static void apply_colorize(video::IImage *dst, v2u32 dst_pos, v2u32 size, - video::SColor color, int ratio, bool keep_alpha); + const video::SColor &color, int ratio, bool keep_alpha); + +// paint a texture using the given color +static void apply_multiplication(video::IImage *dst, v2u32 dst_pos, v2u32 size, + const video::SColor &color); // Apply a mask to an image static void apply_mask(video::IImage *mask, video::IImage *dst, @@ -682,6 +692,61 @@ video::ITexture* TextureSource::getTextureForMesh(const std::string &name, u32 * return getTexture(name + "^[applyfiltersformesh", id); } +Palette* TextureSource::getPalette(const std::string &name) +{ + // Only the main thread may load images + sanity_check(thr_is_current_thread(m_main_thread)); + + if (name == "") + return NULL; + + UNORDERED_MAP<std::string, Palette>::iterator it = m_palettes.find(name); + if (it == m_palettes.end()) { + // Create palette + video::IImage *img = generateImage(name); + if (!img) { + warningstream << "TextureSource::getPalette(): palette \"" << name + << "\" could not be loaded." << std::endl; + return NULL; + } + Palette new_palette; + u32 w = img->getDimension().Width; + u32 h = img->getDimension().Height; + // Real area of the image + u32 area = h * w; + if (area == 0) + return NULL; + if (area > 256) { + warningstream << "TextureSource::getPalette(): the specified" + << " palette image \"" << name << "\" is larger than 256" + << " pixels, using the first 256." << std::endl; + area = 256; + } else if (256 % area != 0) + warningstream << "TextureSource::getPalette(): the " + << "specified palette image \"" << name << "\" does not " + << "contain power of two pixels." << std::endl; + // We stretch the palette so it will fit 256 values + // This many param2 values will have the same color + u32 step = 256 / area; + // For each pixel in the image + for (u32 i = 0; i < area; i++) { + video::SColor c = img->getPixel(i % w, i / w); + // Fill in palette with 'step' colors + for (u32 j = 0; j < step; j++) + new_palette.push_back(c); + } + img->drop(); + // Fill in remaining elements + while (new_palette.size() < 256) + new_palette.push_back(video::SColor(0xFFFFFFFF)); + m_palettes[name] = new_palette; + it = m_palettes.find(name); + } + if (it != m_palettes.end()) + return &((*it).second); + return NULL; +} + void TextureSource::processQueue() { /* @@ -725,8 +790,6 @@ void TextureSource::rebuildImagesAndTextures() video::IImage *img = generateImage(ti->name); #ifdef __ANDROID__ img = Align2Npot2(img, driver); - sanity_check(img->getDimension().Height == npot2(img->getDimension().Height)); - sanity_check(img->getDimension().Width == npot2(img->getDimension().Width)); #endif // Create texture from resulting image video::ITexture *t = NULL; @@ -938,7 +1001,7 @@ video::ITexture* TextureSource::generateTextureFromMesh( smgr->drop(); // Unset render target - driver->setRenderTarget(0, false, true, 0); + driver->setRenderTarget(0, false, true, video::SColor(0,0,0,0)); if (params.delete_texture_on_shutdown) m_texture_trash.push_back(rtt); @@ -1059,6 +1122,13 @@ video::IImage* TextureSource::generateImage(const std::string &name) * @param driver driver to use for image operations * @return image or copy of image aligned to npot2 */ + +inline u16 get_GL_major_version() +{ + const GLubyte *gl_version = glGetString(GL_VERSION); + return (u16) (gl_version[0] - '0'); +} + video::IImage * Align2Npot2(video::IImage * image, video::IVideoDriver* driver) { @@ -1069,7 +1139,10 @@ video::IImage * Align2Npot2(video::IImage * image, core::dimension2d<u32> dim = image->getDimension(); std::string extensions = (char*) glGetString(GL_EXTENSIONS); - if (extensions.find("GL_OES_texture_npot") != std::string::npos) { + + // Only GLES2 is trusted to correctly report npot support + if (get_GL_major_version() > 1 && + extensions.find("GL_OES_texture_npot") != std::string::npos) { return image; } @@ -1135,17 +1208,17 @@ bool TextureSource::generateImagePart(std::string part_of_name, #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; + + // Do not create normalmap dummies + if (part_of_name.find("_normal.png") != std::string::npos) { + warningstream << "generateImage(): Could not load normal map \"" + << part_of_name << "\"" << std::endl; + return true; } + + errorstream << "generateImage(): Could not load image \"" + << part_of_name << "\" while building texture; " + "Creating a dummy image" << std::endl; } // Just create a dummy image @@ -1660,6 +1733,30 @@ bool TextureSource::generateImagePart(std::string part_of_name, } } /* + [multiply:color + multiplys a given color to any pixel of an image + color = color as ColorString + */ + else if (str_starts_with(part_of_name, "[multiply:")) { + Strfnd sf(part_of_name); + sf.next(":"); + std::string color_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; + + if (!parseColorString(color_str, color, false)) + return false; + + apply_multiplication(baseimg, v2u32(0, 0), baseimg->getDimension(), color); + } + /* [colorize:color Overlays image with given color color = color as ColorString @@ -1716,6 +1813,12 @@ bool TextureSource::generateImagePart(std::string part_of_name, * equal to the target minimum. If e.g. this is a vertical frames * animation, the short dimension will be the real size. */ + if ((dim.Width == 0) || (dim.Height == 0)) { + errorstream << "generateImagePart(): Illegal 0 dimension " + << "for part_of_name=\""<< part_of_name + << "\", cancelling." << std::endl; + return false; + } u32 xscale = scaleto / dim.Width; u32 yscale = scaleto / dim.Height; u32 scale = (xscale > yscale) ? xscale : yscale; @@ -1823,10 +1926,53 @@ bool TextureSource::generateImagePart(std::string part_of_name, for (u32 x = 0; x < dim.Width; x++) { video::SColor c = baseimg->getPixel(x, y); - c.color ^= mask; + c.color ^= mask; baseimg->setPixel(x, y, c); } } + /* + [sheet:WxH:X,Y + Retrieves a tile at position X,Y (in tiles) + from the base image it assumes to be a + tilesheet with dimensions W,H (in tiles). + */ + else if (part_of_name.substr(0,7) == "[sheet:") { + if (baseimg == NULL) { + errorstream << "generateImagePart(): baseimg != NULL " + << "for part_of_name=\"" << part_of_name + << "\", cancelling." << std::endl; + return false; + } + + Strfnd sf(part_of_name); + sf.next(":"); + u32 w0 = stoi(sf.next("x")); + u32 h0 = stoi(sf.next(":")); + u32 x0 = stoi(sf.next(",")); + u32 y0 = stoi(sf.next(":")); + + core::dimension2d<u32> img_dim = baseimg->getDimension(); + core::dimension2d<u32> tile_dim(v2u32(img_dim) / v2u32(w0, h0)); + + video::IImage *img = driver->createImage( + video::ECF_A8R8G8B8, tile_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(0,0,0,0)); + v2u32 vdim(tile_dim); + core::rect<s32> rect(v2s32(x0 * vdim.X, y0 * vdim.Y), tile_dim); + baseimg->copyToWithAlpha(img, v2s32(0), rect, + video::SColor(255,255,255,255), NULL); + + // Replace baseimg + baseimg->drop(); + baseimg = img; + } else { errorstream << "generateImagePart(): Invalid " @@ -1920,7 +2066,7 @@ static void blit_with_interpolate_overlay(video::IImage *src, video::IImage *dst Apply color to destination */ static void apply_colorize(video::IImage *dst, v2u32 dst_pos, v2u32 size, - video::SColor color, int ratio, bool keep_alpha) + const video::SColor &color, int ratio, bool keep_alpha) { u32 alpha = color.getAlpha(); video::SColor dst_c; @@ -1955,6 +2101,27 @@ static void apply_colorize(video::IImage *dst, v2u32 dst_pos, v2u32 size, } /* + Apply color to destination +*/ +static void apply_multiplication(video::IImage *dst, v2u32 dst_pos, v2u32 size, + const video::SColor &color) +{ + video::SColor dst_c; + + for (u32 y = dst_pos.Y; y < dst_pos.Y + size.Y; y++) + for (u32 x = dst_pos.X; x < dst_pos.X + size.X; x++) { + dst_c = dst->getPixel(x, y); + dst_c.set( + dst_c.getAlpha(), + (dst_c.getRed() * color.getRed()) / 255, + (dst_c.getGreen() * color.getGreen()) / 255, + (dst_c.getBlue() * color.getBlue()) / 255 + ); + dst->setPixel(x, y, dst_c); + } +} + +/* Apply mask to destination */ static void apply_mask(video::IImage *mask, video::IImage *dst, @@ -2171,7 +2338,8 @@ video::ITexture* TextureSource::getNormalTexture(const std::string &name) if (isKnownSourceImage("override_normal.png")) return getTexture("override_normal.png"); std::string fname_base = name; - std::string normal_ext = "_normal.png"; + static const char *normal_ext = "_normal.png"; + static const u32 normal_ext_size = strlen(normal_ext); size_t pos = fname_base.find("."); std::string fname_normal = fname_base.substr(0, pos) + normal_ext; if (isKnownSourceImage(fname_normal)) { @@ -2179,10 +2347,10 @@ video::ITexture* TextureSource::getNormalTexture(const std::string &name) size_t i = 0; while ((i = fname_base.find(".", i)) != std::string::npos) { fname_base.replace(i, 4, normal_ext); - i += normal_ext.length(); + i += normal_ext_size; } return getTexture(fname_base); - } + } return NULL; } |