Working on save-load system and UI

src/render/TextureManager.cpp

@@ -528,7 +528,8 @@ namespace ZL
 
 	void TextureManager::Unload(const std::string& fileName, const std::string& zipFile)
 	{
-		textureMap.erase(MakeKey(fileName, zipFile));
+		//For now, we should keep all textures in memory, to make game load faster after restart
+		//textureMap.erase(MakeKey(fileName, zipFile));
 	}
 
 	void TextureManager::UnloadAll()