Working on loading screen

src/render/TextureManager.cpp

@@ -528,8 +528,20 @@ namespace ZL
 
 	void TextureManager::Unload(const std::string& fileName, const std::string& zipFile)
 	{
-		//For now, we should keep all textures in memory, to make game load faster after restart
-		//textureMap.erase(MakeKey(fileName, zipFile));
+		textureMap.erase(MakeKey(fileName, zipFile));
+	}
+
+	void TextureManager::UnloadByPrefix(const std::string& prefix)
+	{
+		for (auto& it = textureMap.begin(); it != textureMap.end(); ) {
+			if (it->first.substr(0, prefix.size()) == prefix) {
+				std::cout << "Unloading texture with prefix: " << it->first << std::endl;
+				it = textureMap.erase(it);
+			}
+			else {
+				++it;
+			}
+		}
 	}
 
 	void TextureManager::UnloadAll()

src/render/TextureManager.h

@@ -76,6 +76,7 @@ namespace ZL
 #endif
 
 		void Unload(const std::string& fileName, const std::string& zipFile = "");
+		void UnloadByPrefix(const std::string& prefix);
 		void UnloadAll();
 
 	private: