cocos-enhance-kit/cocos2d-x/cocos/renderer/scene/assembler/Particle3DAssembler.hpp

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Copyright (c) 2019 Xiamen Yaji Software Co., Ltd.

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#pragma once

#include "Assembler.hpp"
#include "../ModelBatcher.hpp"

RENDERER_BEGIN

class NodeProxy;
class ModelBatcher;

enum class Space: uint8_t
{
    WORLD = 0,
    LOCAL = 1,
    CUSTOM = 2
};

class Particle3DAssembler: public Assembler
{
public:
    Particle3DAssembler();
    ~Particle3DAssembler();
    
    virtual void fillBuffers(NodeProxy *node, ModelBatcher *batcher, std::size_t index) override;
    void setTrailVertexFormat(VertexFormat* vfmt);
    void setTrailModuleEnable(bool enable) {_trailModuleEnable = enable;};
    
    void setParticleSpace(Space space) {_particleSpace = space;};
    void setTrailSpace(Space space) {_trailSpace = space;};
private:
    void fillBuffer(NodeProxy *node, MeshBuffer *buffer, const IARenderData& ia, RenderData* data);
    void fillTrailBuffer(NodeProxy *node, MeshBuffer *buffer, const IARenderData& ia, RenderData* data);
    
private:
    Space _particleSpace = Space::LOCAL;
    Space _trailSpace = Space::LOCAL;
    
    uint32_t _trailVertexBytes = 0;
    size_t _trailPosOffset = 0;
    bool _trailModuleEnable = false;
    
    VertexFormat* _trailVfmt = nullptr;
};

RENDERER_END