NvBlastExtExporterFbxWriter.h

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#ifndef NVBLASTEXTEXPORTERFBXWRITER_H
#define NVBLASTEXTEXPORTERFBXWRITER_H

#include "NvBlastExtExporter.h"
#include <memory>
#include <vector>
#include <map>

namespace fbxsdk
{
    class FbxScene;
    class FbxNode;
    class FbxMesh;
    class FbxSkin;
    class FbxManager;
    class FbxSurfaceMaterial;
    class FbxDisplayLayer;
}

struct NvBlastAsset;

namespace Nv
{
namespace Blast
{
class Mesh;
struct Triangle;
struct CollisionHull;

class FbxFileWriter : public IMeshFileWriter
{
public:

    FbxFileWriter();
    //~FbxFileWriter() = default;

    virtual void release() override;

    fbxsdk::FbxScene* getScene();

    virtual bool appendMesh(const AuthoringResult& aResult, const char* assetName, bool nonSkinned) override;

    virtual bool appendMesh(const ExporterMeshData& meshData, const char* assetName, bool nonSkinned) override;

    virtual bool saveToFile(const char* assetName, const char* outputPath) override;

    virtual void setInteriorIndex(int32_t index) override;

    bool bOutputFBXAscii;

private:
    std::vector<fbxsdk::FbxSurfaceMaterial*> mMaterials;
    fbxsdk::FbxScene* mScene;
    fbxsdk::FbxDisplayLayer* mRenderLayer;

    //TODO we should track for every memory allocation and deallocate it not only for sdkManager
    std::shared_ptr<fbxsdk::FbxManager> sdkManager;
    std::map<uint32_t, fbxsdk::FbxNode*> chunkNodes;
    std::map<uint32_t, NvcVec3> worldChunkPivots;

    bool appendNonSkinnedMesh(const AuthoringResult& aResult, const char* assetName);
    bool appendNonSkinnedMesh(const ExporterMeshData& meshData, const char* assetName);
    void createMaterials(const ExporterMeshData& meshData);
    void createMaterials(const AuthoringResult& aResult);

    bool appendCollisionMesh(uint32_t meshCount, uint32_t* offsets, CollisionHull** hulls, const char* assetName);

    uint32_t addCollisionHulls(uint32_t chunkIndex, fbxsdk::FbxDisplayLayer* displayLayer, fbxsdk::FbxNode* parentNode, uint32_t hullsCount, CollisionHull** hulls);
    uint32_t createChunkRecursive(uint32_t currentCpIdx, uint32_t chunkIndex, fbxsdk::FbxNode *meshNode, fbxsdk::FbxNode* parentNode, fbxsdk::FbxSkin* skin, const AuthoringResult& aResult);
    uint32_t createChunkRecursive(uint32_t currentCpIdx, uint32_t chunkIndex, fbxsdk::FbxNode *meshNode, fbxsdk::FbxNode* parentNode, fbxsdk::FbxSkin* skin, const ExporterMeshData& meshData);

    void createChunkRecursiveNonSkinned(const std::string& meshName, uint32_t chunkIndex, fbxsdk::FbxNode* parentNode,
        const std::vector<fbxsdk::FbxSurfaceMaterial*>& materials, const AuthoringResult& aResult);

    void createChunkRecursiveNonSkinned(const std::string& meshName, uint32_t chunkIndex, fbxsdk::FbxNode* parentNode,
        const std::vector<fbxsdk::FbxSurfaceMaterial*>& materials, const ExporterMeshData& meshData);

    void addControlPoints(fbxsdk::FbxMesh* mesh, const ExporterMeshData& meshData);
    void addBindPose();

    void generateSmoothingGroups(fbxsdk::FbxMesh* mesh, FbxSkin* skin);
    void removeDuplicateControlPoints(fbxsdk::FbxMesh* mesh, FbxSkin* skin);

    int32_t mInteriorIndex;
};

}
}

#endif // NVBLASTEXTEXPORTERFBXWRITER_H