Magic_Game/src/kiwano/utils/ResourceCache.h

// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include "../macros.h"
#include "../common/helper.h"
#include "../common/Json.hpp"
#include "../common/Singleton.hpp"
#include "../base/Resource.h"
#include "../2d/include-forwards.h"
#include "../renderer/GifImage.h"
#include "../third-party/tinyxml2/tinyxml2.h"

namespace kiwano
{
	// <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>
	class KGE_API ResourceCache
		: public Singleton<ResourceCache>
	{
		KGE_DECLARE_SINGLETON(ResourceCache);

	public:
		// <20><> JSON <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>Ϣ
		bool LoadFromJsonFile(String const& file_path);

		// <20><> JSON <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>Ϣ
		bool LoadFromJson(Json const& json_data);

		// <20><> XML <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>Ϣ
		bool LoadFromXmlFile(String const& file_path);

		// <20><> XML <20>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>Ϣ
		bool LoadFromXml(tinyxml2::XMLDocument* doc);

		// <20><><EFBFBD><EFBFBD>ͼƬ
		bool AddFrame(String const& id, Resource const& res);

		// <20><><EFBFBD><EFBFBD>ͼƬ
		bool AddFrame(String const& id, FramePtr frame);

		// <20><><EFBFBD><EFBFBD> GIF ͼƬ
		bool AddGifImage(String const& id, Resource const& res);

		// <20><><EFBFBD><EFBFBD> GIF ͼƬ
		bool AddGifImage(String const& id, GifImagePtr image);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
		size_t AddFrameSequence(String const& id, Array<Resource> const& frames);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
		size_t AddFrameSequence(String const& id, Array<FramePtr> const& frames);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD>ͼƬ
		size_t AddFrameSequence(String const& id, Resource const& frame, int cols, int rows = 1);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
		// <20><>ָ<EFBFBD><D6B8><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD>βü<CEB2>ͼƬ
		size_t AddFrameSequence(String const& id, Resource const& frame, Array<Rect> const& crop_rects);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
		size_t AddFrameSequence(String const& id, FrameSequencePtr frames);

		// <20><><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD>
		bool AddObj(String const& id, ObjectPtr obj);

		// <20><>ȡͼƬ<CDBC><C6AC>Դ
		FramePtr GetFrame(String const& id) const;

		// <20><>ȡ GIF ͼƬ<CDBC><C6AC>Դ
		GifImagePtr GetGifImage(String const& id) const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>֡
		FrameSequencePtr GetFrameSequence(String const& id) const;

		// ɾ<><C9BE>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>Դ
		void Delete(String const& id);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
		void Clear();

		template<typename _Ty>
		_Ty* Get(String const& id) const
		{
			auto iter = cache_.find(id);
			if (iter == cache_.end())
				return nullptr;
			return dynamic_cast<_Ty*>((*iter).second.Get());
		}

	protected:
		ResourceCache();

		virtual ~ResourceCache();

	protected:
		UnorderedMap<String, ObjectPtr> cache_;
	};
}