axmol/extensions/spine/SkeletonBatch.h

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#ifndef SPINE_SKELETONBATCH_H_
#define SPINE_SKELETONBATCH_H_

#include "cocos2d.h"
#if COCOS2D_VERSION >= 0x00040000

#include <spine/spine.h>
#include <vector>
#include "renderer/backend/ProgramState.h"

namespace spine {
    
	struct SkeletonCommand : public ax::TrianglesCommand {
		ax::backend::UniformLocation _locMVP;
		ax::backend::UniformLocation _locTexture;
	};
	
    class SP_API SkeletonBatch {
    public:
        static SkeletonBatch* getInstance ();
        
        static void destroyInstance ();
        
        void update (float delta);
		
		ax::V3F_C4B_T2F* allocateVertices(uint32_t numVertices);
		void deallocateVertices(uint32_t numVertices);
		unsigned short* allocateIndices(uint32_t numIndices);
		void deallocateIndices(uint32_t numVertices);
		ax::TrianglesCommand* addCommand(ax::Renderer* renderer, float globalOrder, ax::Texture2D* texture, ax::backend::ProgramState* programState, ax::BlendFunc blendType, const ax::TrianglesCommand::Triangles& triangles, const ax::Mat4& mv, uint32_t flags);
        
		ax::backend::ProgramState* updateCommandPipelinePS(SkeletonCommand* command, ax::backend::ProgramState* programState);

    protected:
		SkeletonBatch ();
		virtual ~SkeletonBatch ();
		
		void reset ();
		
		SkeletonCommand* nextFreeCommand ();

		SkeletonCommand* newCommand();
	
		ax::backend::ProgramState*                     _programState; // The default program state

		// pool of commands
		std::vector<SkeletonCommand*>                       _commandsPool;
		uint32_t                                            _nextFreeCommand;
		
		// pool of vertices
		std::vector<ax::V3F_C4B_T2F>                   _vertices;
		uint32_t                                            _numVertices;
		
		// pool of indices
		Vector<unsigned short>                              _indices;
    };
	
}

#endif

#endif // SPINE_SKELETONBATCH_H_