X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Ftile.cpp;h=7cad1b83692399392cacbf6ede423d0c543fc014;hb=d5029958b9017ad89775bc4f68c4de3db603e618;hp=6dbe4c63a606b29ba6b8cef22b8816ebf7e373c6;hpb=48790c0751cb43d45ba5efb33557de8b213d6111;p=oweals%2Fminetest.git

diff --git a/src/tile.cpp b/src/tile.cpp
index 6dbe4c63a..7cad1b836 100644
--- a/src/tile.cpp
+++ b/src/tile.cpp
@@ -372,6 +372,18 @@ public:
 	// Update new texture pointer and texture coordinates to an
 	// AtlasPointer based on it's texture id
 	void updateAP(AtlasPointer &ap);
+ 
+	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.
@@ -400,6 +412,9 @@ private:
 	// This should be only accessed from the main thread
 	SourceImageCache m_sourcecache;
 
+	// 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.
 	core::array<SourceAtlasPointer> m_atlaspointer_cache;
@@ -781,6 +796,7 @@ void TextureSource::insertSourceImage(const std::string &name, video::IImage *im
 	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()
@@ -1200,10 +1216,11 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 			// Position to copy the blitted from in the blitted image
 			core::position2d<s32> pos_from(0,0);
 			// Blit
-			image->copyToWithAlpha(baseimg, pos_to,
+			/*image->copyToWithAlpha(baseimg, pos_to,
 					core::rect<s32>(pos_from, dim),
 					video::SColor(255,255,255,255),
-					NULL);
+					NULL);*/
+			blit_with_alpha(image, baseimg, pos_from, pos_to, dim);
 			// Drop image
 			image->drop();
 		}
@@ -1344,7 +1361,11 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 			u32 h0 = stoi(sf.next(":"));
 			infostream<<"combined w="<<w0<<" h="<<h0<<std::endl;
 			core::dimension2d<u32> dim(w0,h0);
-			baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
+			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(","));
@@ -1364,10 +1385,11 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 							driver->createImage(video::ECF_A8R8G8B8, dim);
 					img->copyTo(img2);
 					img->drop();
-					img2->copyToWithAlpha(baseimg, pos_base,
+					/*img2->copyToWithAlpha(baseimg, pos_base,
 							core::rect<s32>(v2s32(0,0), dim),
 							video::SColor(255,255,255,255),
-							NULL);
+							NULL);*/
+					blit_with_alpha(img2, baseimg, v2s32(0,0), pos_base, dim);
 					img2->drop();
 				}
 				else