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sdk/extensions/import/include/NvBlastExtApexImportTool.h

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#ifndef NVBLASTEXTAPEXIMPORTTOOL_H
#define NVBLASTEXTAPEXIMPORTTOOL_H

#include "NvBlast.h"
#include <vector>
#include <string>
#include "NvBlastExtPxAsset.h"
#include "NvBlastExtPxCollisionBuilder.h"
#include <nvparameterized\NvSerializer.h>
#include <NvBlastExtExporter.h>

namespace physx
{
    class PxFoundation;
    class PxPhysics;
    class PxCooking;

namespace general_PxIOStream2
{
class PxFileBuf;
}
}

namespace NvParameterized
{
    class Interface;
}

namespace nvidia
{
namespace apex
{
class ApexSDK;
class ModuleDestructible;
class DestructibleAsset;
}
using namespace physx::general_PxIOStream2;
}


namespace Nv
{
namespace Blast
{

struct CollisionHull;
class TkFramework;

namespace ApexImporter
{

struct ApexImporterConfig
{
    enum InterfaceSearchMode { EXACT, FORCED, MODE_COUNT };

    ApexImporterConfig()
    {
        setDefaults();
    }

    void setDefaults()
    {
        infSearchMode               =   EXACT;
    }
    InterfaceSearchMode infSearchMode;
};


class ApexDestruction;


class ApexImportTool
{
public:
    ApexImportTool();
    ~ApexImportTool();
    
    bool    loadAssetFromFile(nvidia::PxFileBuf* stream, NvParameterized::Serializer::DeserializedData& data);


    bool                                importApexAsset(std::vector<uint32_t>& chunkReorderInvMap, NvParameterized::Interface* assetNvIfc,
                                            std::vector<NvBlastChunkDesc>& chunkDescriptors, std::vector<NvBlastBondDesc>& bondDescriptors, std::vector<uint32_t>& flags);

    bool                                importApexAsset(std::vector<uint32_t>& chunkReorderInvMap, NvParameterized::Interface* assetNvIfc,
                                            std::vector<NvBlastChunkDesc>& chunkDescriptors, std::vector<NvBlastBondDesc>& bondDescriptors, std::vector<uint32_t>& flags,
                                            const ApexImporterConfig& config);

    bool                                importRendermesh(const std::vector<uint32_t>& chunkReorderInvMap, const NvParameterized::Interface* assetNvIfc, Nv::Blast::ExporterMeshData* outputData, const char* materialsDir);


    bool                                saveAsset(const NvBlastAsset* asset, nvidia::PxFileBuf* stream);

    bool                                getCollisionGeometry(const NvParameterized::Interface* assetPrm, uint32_t chunkCount, std::vector<uint32_t>& chunkReorderInvMap,
                                                const std::vector<uint32_t>& apexChunkFlags, std::vector<ExtPxAssetDesc::ChunkDesc>& physicsChunks,
                                                std::vector<ExtPxAssetDesc::SubchunkDesc>& physicsSubchunks, std::vector<std::vector<CollisionHull*> >& hullsDesc);

    const ExtPxCollisionBuilder* getCollisionBuilder() const
    {
        return m_collisionBuilder;
    }


    bool isValid();

    physx::PxPhysics*       getPxSdk() { return m_PhysxSDK; }
    physx::PxCooking*       getCooking() { return m_Cooking; };

private:
    bool                                importApexAssetInternal(std::vector<uint32_t>& chunkReorderInvMap, NvParameterized::Interface* assetNvIfc,
                                            std::vector<NvBlastChunkDesc>& chunkDescriptors, std::vector<NvBlastBondDesc>& bondDesc, std::vector<uint32_t>& flags,
                                            const ApexImporterConfig& configDesc);

protected:
    ApexImportTool(const ApexImportTool&);
    ApexImportTool& operator=(const ApexImportTool&);

    physx::PxFoundation*    m_Foundation;
    physx::PxPhysics*       m_PhysxSDK;
    physx::PxCooking*       m_Cooking;

    ExtPxCollisionBuilder*  m_collisionBuilder;
};

} // namespace ApexImporter

} // namespace Blast
} // namespace Nv

#endif // NVBLASTEXTAPEXIMPORTTOOL_H

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