working on texture manager

src/render/TextureManager.cpp

@@ -416,5 +416,54 @@ namespace ZL
 
 #endif
 
+	std::string TextureManager::MakeKey(const std::string& fileName, const std::string& zipFile)
+	{
+		return zipFile.empty() ? fileName : fileName + "|" + zipFile;
+	}
+
+	std::shared_ptr<Texture> TextureManager::LoadFromBmp24(const std::string& fileName, const std::string& zipFile)
+	{
+		std::string key = MakeKey(fileName, zipFile);
+		auto it = textureMap.find(key);
+		if (it != textureMap.end())
+			return it->second;
+		auto tex = std::make_shared<Texture>(CreateTextureDataFromBmp24(fileName, zipFile));
+		textureMap[key] = tex;
+		return tex;
+	}
+
+	std::shared_ptr<Texture> TextureManager::LoadFromBmp32(const std::string& fileName, const std::string& zipFile)
+	{
+		std::string key = MakeKey(fileName, zipFile);
+		auto it = textureMap.find(key);
+		if (it != textureMap.end())
+			return it->second;
+		auto tex = std::make_shared<Texture>(CreateTextureDataFromBmp32(fileName, zipFile));
+		textureMap[key] = tex;
+		return tex;
+	}
+
+#ifdef PNG_ENABLED
+	std::shared_ptr<Texture> TextureManager::LoadFromPng(const std::string& fileName, const std::string& zipFile)
+	{
+		std::string key = MakeKey(fileName, zipFile);
+		auto it = textureMap.find(key);
+		if (it != textureMap.end())
+			return it->second;
+		auto tex = std::make_shared<Texture>(CreateTextureDataFromPng(fileName, zipFile));
+		textureMap[key] = tex;
+		return tex;
+	}
+#endif
+
+	void TextureManager::Unload(const std::string& fileName, const std::string& zipFile)
+	{
+		textureMap.erase(MakeKey(fileName, zipFile));
+	}
+
+	void TextureManager::UnloadAll()
+	{
+		textureMap.clear();
+	}
 
 }