forked from Mirrorlandia_minetest/minetest
Handle some edge cases in tile images
This commit is contained in:
parent
a46fe79939
commit
8927e7caf6
@ -703,7 +703,7 @@ video::ITexture* TextureSource::getTextureForMesh(const std::string &name, u32 *
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const bool filter_needed =
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const bool filter_needed =
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m_setting_mipmap || m_setting_trilinear_filter ||
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m_setting_mipmap || m_setting_trilinear_filter ||
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m_setting_bilinear_filter || m_setting_anisotropic_filter;
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m_setting_bilinear_filter || m_setting_anisotropic_filter;
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if (filter_needed)
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if (filter_needed && !name.empty())
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return getTexture(name + "^[applyfiltersformesh", id);
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return getTexture(name + "^[applyfiltersformesh", id);
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return getTexture(name, id);
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return getTexture(name, id);
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}
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}
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@ -1062,6 +1062,12 @@ video::IImage* TextureSource::generateImage(const std::string &name, std::set<st
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if (baseimg == NULL) {
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if (baseimg == NULL) {
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errorstream << "generateImage(): baseimg is NULL (attempted to"
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errorstream << "generateImage(): baseimg is NULL (attempted to"
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" create texture \"" << name << "\")" << std::endl;
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" create texture \"" << name << "\")" << std::endl;
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} else if (baseimg->getDimension().Width == 0 ||
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baseimg->getDimension().Height == 0) {
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errorstream << "generateImage(): zero-sized image was created?! "
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"(attempted to create texture \"" << name << "\")" << std::endl;
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baseimg->drop();
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baseimg = nullptr;
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}
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}
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return baseimg;
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return baseimg;
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@ -1180,13 +1186,18 @@ void blitBaseImage(video::IImage* &src, video::IImage* &dst)
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} \
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} \
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} while(0)
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} while(0)
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#define CHECK_DIM(w, h) \
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#define COMPLAIN_INVALID(description) \
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do { \
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do { \
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if ((w) <= 0 || (h) <= 0 || (w) >= 0xffff || (h) >= 0xffff) { \
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errorstream << "generateImagePart(): invalid " << (description) \
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errorstream << "generateImagePart(): invalid width or height " \
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<< " for part_of_name=\"" << part_of_name \
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<< " for part_of_name=\"" << part_of_name \
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<< "\", cancelling." << std::endl; \
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<< "\", cancelling." << std::endl; \
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return false; \
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return false; \
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} while(0)
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#define CHECK_DIM(w, h) \
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do { \
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if ((w) <= 0 || (h) <= 0 || (w) >= 0xffff || (h) >= 0xffff) { \
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COMPLAIN_INVALID("width or height"); \
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} \
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} \
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} while(0)
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} while(0)
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@ -1197,26 +1208,34 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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video::IVideoDriver *driver = RenderingEngine::get_video_driver();
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video::IVideoDriver *driver = RenderingEngine::get_video_driver();
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sanity_check(driver);
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sanity_check(driver);
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if (baseimg && (baseimg->getDimension().Width == 0 ||
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baseimg->getDimension().Height == 0)) {
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errorstream << "generateImagePart(): baseimg is zero-sized?!"
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<< std::endl;
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baseimg->drop();
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baseimg = nullptr;
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}
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// Stuff starting with [ are special commands
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// Stuff starting with [ are special commands
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if (part_of_name.empty() || part_of_name[0] != '[') {
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if (part_of_name.empty() || part_of_name[0] != '[') {
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source_image_names.insert(part_of_name);
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source_image_names.insert(part_of_name);
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video::IImage *image = m_sourcecache.getOrLoad(part_of_name);
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video::IImage *image = m_sourcecache.getOrLoad(part_of_name);
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if (image == NULL) {
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if (!image) {
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if (!part_of_name.empty()) {
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// Do not create the dummy texture
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if (part_of_name.empty())
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return true;
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// Do not create normalmap dummies
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// Do not create normalmap dummies
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if (part_of_name.find("_normal.png") != std::string::npos) {
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if (str_ends_with(part_of_name, "_normal.png")) {
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warningstream << "generateImage(): Could not load normal map \""
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warningstream << "generateImagePart(): Could not load normal map \""
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<< part_of_name << "\"" << std::endl;
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<< part_of_name << "\"" << std::endl;
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return true;
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return true;
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}
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}
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errorstream << "generateImage(): Could not load image \""
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errorstream << "generateImagePart(): Could not load image \""
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<< part_of_name << "\" while building texture; "
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<< part_of_name << "\" while building texture; "
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"Creating a dummy image" << std::endl;
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"Creating a dummy image" << std::endl;
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}
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// Just create a dummy image
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core::dimension2d<u32> dim(1,1);
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core::dimension2d<u32> dim(1,1);
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image = driver->createImage(video::ECF_A8R8G8B8, dim);
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image = driver->createImage(video::ECF_A8R8G8B8, dim);
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sanity_check(image != NULL);
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sanity_check(image != NULL);
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@ -1314,9 +1333,13 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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u32 x = stoi(sf.next(","));
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u32 x = stoi(sf.next(","));
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u32 y = stoi(sf.next("="));
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u32 y = stoi(sf.next("="));
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std::string filename = unescape_string(sf.next_esc(":", escape), escape);
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std::string filename = unescape_string(sf.next_esc(":", escape), escape);
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if (x >= w0 || y >= h0)
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COMPLAIN_INVALID("X or Y offset");
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infostream<<"Adding \""<<filename
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infostream<<"Adding \""<<filename
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<<"\" to combined ("<<x<<","<<y<<")"
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<<"\" to combined ("<<x<<","<<y<<")"
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<<std::endl;
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<<std::endl;
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video::IImage *img = generateImage(filename, source_image_names);
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video::IImage *img = generateImage(filename, source_image_names);
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if (img) {
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if (img) {
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core::dimension2d<u32> dim = img->getDimension();
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core::dimension2d<u32> dim = img->getDimension();
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@ -1341,8 +1364,8 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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*/
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*/
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else if (str_starts_with(part_of_name, "[fill"))
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else if (str_starts_with(part_of_name, "[fill"))
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{
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{
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s32 x = 0;
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u32 x = 0;
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s32 y = 0;
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u32 y = 0;
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Strfnd sf(part_of_name);
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Strfnd sf(part_of_name);
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sf.next(":");
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sf.next(":");
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@ -1362,6 +1385,12 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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core::dimension2d<u32> dim(width, height);
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core::dimension2d<u32> dim(width, height);
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CHECK_DIM(dim.Width, dim.Height);
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CHECK_DIM(dim.Width, dim.Height);
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if (baseimg) {
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auto basedim = baseimg->getDimension();
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if (x >= basedim.Width || y >= basedim.Height)
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COMPLAIN_INVALID("X or Y offset");
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}
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video::IImage *img = driver->createImage(video::ECF_A8R8G8B8, dim);
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video::IImage *img = driver->createImage(video::ECF_A8R8G8B8, dim);
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img->fill(color);
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img->fill(color);
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@ -1497,8 +1526,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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errorstream << "generateImagePart(): Failed to create textures"
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errorstream << "generateImagePart(): Failed to create textures"
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<< " for inventorycube \"" << part_of_name << "\""
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<< " for inventorycube \"" << part_of_name << "\""
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<< std::endl;
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<< std::endl;
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baseimg = generateImage(imagename_top, source_image_names);
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return false;
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return true;
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}
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}
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baseimg = createInventoryCubeImage(img_top, img_left, img_right);
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baseimg = createInventoryCubeImage(img_top, img_left, img_right);
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@ -1518,30 +1546,26 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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{
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{
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Strfnd sf(part_of_name);
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Strfnd sf(part_of_name);
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sf.next(":");
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sf.next(":");
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u32 percent = stoi(sf.next(":"));
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u32 percent = stoi(sf.next(":"), 0, 100);
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std::string filename = unescape_string(sf.next_esc(":", escape), escape);
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std::string filename = unescape_string(sf.next_esc(":", escape), escape);
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if (baseimg == NULL)
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baseimg = driver->createImage(video::ECF_A8R8G8B8, v2u32(16,16));
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video::IImage *img = generateImage(filename, source_image_names);
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video::IImage *img = generateImage(filename, source_image_names);
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if (img)
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if (img) {
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{
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core::dimension2d<u32> dim = img->getDimension();
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core::dimension2d<u32> dim = img->getDimension();
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if (!baseimg)
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baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
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core::position2d<s32> pos_base(0, 0);
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core::position2d<s32> pos_base(0, 0);
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video::IImage *img2 =
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driver->createImage(video::ECF_A8R8G8B8, dim);
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img->copyTo(img2);
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img->drop();
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core::position2d<s32> clippos(0, 0);
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core::position2d<s32> clippos(0, 0);
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clippos.Y = dim.Height * (100-percent) / 100;
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clippos.Y = dim.Height * (100-percent) / 100;
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core::dimension2d<u32> clipdim = dim;
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core::dimension2d<u32> clipdim = dim;
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clipdim.Height = clipdim.Height * percent / 100 + 1;
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clipdim.Height = clipdim.Height * percent / 100 + 1;
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core::rect<s32> cliprect(clippos, clipdim);
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core::rect<s32> cliprect(clippos, clipdim);
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img2->copyToWithAlpha(baseimg, pos_base,
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img->copyToWithAlpha(baseimg, pos_base,
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core::rect<s32>(v2s32(0,0), dim),
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core::rect<s32>(v2s32(0,0), dim),
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video::SColor(255,255,255,255),
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video::SColor(255,255,255,255),
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&cliprect);
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&cliprect);
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img2->drop();
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img->drop();
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}
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}
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}
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}
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/*
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/*
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@ -1564,6 +1588,8 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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<< "\", using frame_count = 1 instead." << std::endl;
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<< "\", using frame_count = 1 instead." << std::endl;
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frame_count = 1;
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frame_count = 1;
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}
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}
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if (frame_index >= frame_count)
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frame_index = frame_count - 1;
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v2u32 frame_size = baseimg->getDimension();
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v2u32 frame_size = baseimg->getDimension();
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frame_size.Y /= frame_count;
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frame_size.Y /= frame_count;
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@ -1603,8 +1629,8 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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img->getDimension());
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img->getDimension());
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img->drop();
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img->drop();
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} else {
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} else {
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errorstream << "generateImage(): Failed to load \""
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errorstream << "generateImagePart(): Failed to load image \""
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<< filename << "\".";
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<< filename << "\" for [mask" << std::endl;
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}
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}
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}
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}
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/*
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/*
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@ -1696,7 +1722,6 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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* equal to the target minimum. If e.g. this is a vertical frames
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* equal to the target minimum. If e.g. this is a vertical frames
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* animation, the short dimension will be the real size.
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* animation, the short dimension will be the real size.
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*/
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*/
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CHECK_DIM(dim.Width, dim.Height);
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u32 xscale = scaleto / dim.Width;
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u32 xscale = scaleto / dim.Width;
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u32 yscale = scaleto / dim.Height;
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u32 yscale = scaleto / dim.Height;
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const s32 scale = std::max(xscale, yscale);
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const s32 scale = std::max(xscale, yscale);
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@ -1728,7 +1753,7 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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u32 height = stoi(sf.next(""));
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u32 height = stoi(sf.next(""));
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CHECK_DIM(width, height);
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CHECK_DIM(width, height);
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video::IImage *image = RenderingEngine::get_video_driver()->
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video::IImage *image = driver->
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createImage(video::ECF_A8R8G8B8, {width, height});
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createImage(video::ECF_A8R8G8B8, {width, height});
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baseimg->copyToScaling(image);
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baseimg->copyToScaling(image);
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baseimg->drop();
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baseimg->drop();
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@ -1810,14 +1835,20 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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u32 y0 = stoi(sf.next(":"));
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u32 y0 = stoi(sf.next(":"));
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CHECK_DIM(w0, h0);
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CHECK_DIM(w0, h0);
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if (x0 >= w0 || y0 >= h0)
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COMPLAIN_INVALID("tile position (X,Y)");
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core::dimension2d<u32> img_dim = baseimg->getDimension();
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core::dimension2d<u32> img_dim = baseimg->getDimension();
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core::dimension2d<u32> tile_dim(v2u32(img_dim) / v2u32(w0, h0));
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core::dimension2d<u32> tile_dim(v2u32(img_dim) / v2u32(w0, h0));
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if (tile_dim.Width == 0)
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tile_dim.Width = 1;
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if (tile_dim.Height == 0)
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tile_dim.Height = 1;
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video::IImage *img = driver->createImage(
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video::IImage *img = driver->createImage(
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video::ECF_A8R8G8B8, tile_dim);
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video::ECF_A8R8G8B8, tile_dim);
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img->fill(video::SColor(0,0,0,0));
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img->fill(video::SColor(0,0,0,0));
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v2u32 vdim(tile_dim);
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v2u32 vdim(tile_dim);
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core::rect<s32> rect(v2s32(x0 * vdim.X, y0 * vdim.Y), tile_dim);
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core::rect<s32> rect(v2s32(x0 * vdim.X, y0 * vdim.Y), tile_dim);
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baseimg->copyToWithAlpha(img, v2s32(0), rect,
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baseimg->copyToWithAlpha(img, v2s32(0), rect,
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@ -1834,15 +1865,12 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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to produce a valid string.
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to produce a valid string.
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*/
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*/
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else if (str_starts_with(part_of_name, "[png:")) {
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else if (str_starts_with(part_of_name, "[png:")) {
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Strfnd sf(part_of_name);
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sf.next(":");
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std::string png;
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std::string png;
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{
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{
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std::string blob = sf.next("");
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std::string blob = part_of_name.substr(5);
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if (!base64_is_valid(blob)) {
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if (!base64_is_valid(blob)) {
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errorstream << "generateImagePart(): "
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errorstream << "generateImagePart(): "
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<< "malformed base64 in '[png'"
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<< "malformed base64 in [png" << std::endl;
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<< std::endl;
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return false;
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return false;
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}
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}
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png = base64_decode(blob);
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png = base64_decode(blob);
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@ -1939,8 +1967,8 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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img->getDimension(), hardlight);
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img->getDimension(), hardlight);
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img->drop();
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img->drop();
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} else {
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} else {
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errorstream << "generateImage(): Failed to load \""
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errorstream << "generateImage(): Failed to load image \""
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<< filename << "\".";
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<< filename << "\" for [overlay or [hardlight" << std::endl;
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}
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}
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}
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}
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/*
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/*
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@ -1974,6 +2002,12 @@ bool TextureSource::generateImagePart(std::string part_of_name,
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return true;
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return true;
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}
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}
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#undef CHECK_BASEIMG
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#undef COMPLAIN_INVALID
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#undef CHECK_DIM
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/*
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/*
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Calculate the color of a single pixel drawn on top of another pixel.
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Calculate the color of a single pixel drawn on top of another pixel.
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