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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
#include "NvBlastExtSerialization.h"
#include "NvBlastExtTkSerializerRAW.h"
#include "NvBlastExtPxAsset.h"
#include "NvBlastTkAsset.h"
#include "physics/NvBlastExtPxAssetImpl.h"
#include "NvBlastIndexFns.h"
#include "NvBlastAssert.h"
#include "NvBlastExtSerializationInternal.h"
#include "PxPhysics.h"
#include "PsMemoryBuffer.h"
#include "PxIO.h"
namespace Nv
{
namespace Blast
{
// Legacy IDs
struct ExtPxSerializationLegacyID
{
enum Enum
{
Asset = NVBLAST_FOURCC('B', 'P', 'X', 'A'), //!< ExtPxAsset identifier token, used in serialization
};
};
// Legacy object format versions
struct ExtPxSerializationLegacyAssetVersion
{
enum Enum
{
/** Initial version */
Initial,
// New formats must come before Count. They should be given descriptive names with more information in comments.
/** The number of serialized formats. */
Count,
/** The current version. This should always be Count-1 */
Current = Count - 1
};
};
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Helpers/Wrappers
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
class FileBufToPxInputStream final : public PxInputStream
{
public:
FileBufToPxInputStream(PxFileBuf& filebuf) : m_filebuf(filebuf) {}
virtual uint32_t read(void* dest, uint32_t count)
{
return m_filebuf.read(dest, count);
}
private:
FileBufToPxInputStream& operator=(const FileBufToPxInputStream&);
PxFileBuf& m_filebuf;
};
class FileBufToPxOutputStream final : public PxOutputStream
{
public:
FileBufToPxOutputStream(PxFileBuf& filebuf) : m_filebuf(filebuf) {}
virtual uint32_t write(const void* src, uint32_t count) override
{
return m_filebuf.write(src, count);
}
private:
FileBufToPxOutputStream& operator=(const FileBufToPxOutputStream&);
PxFileBuf& m_filebuf;
};
ExtPxAsset* deserializeExtPxAsset(ExtIStream& stream, TkFramework& framework, physx::PxPhysics& physics)
{
// Read header
struct LegacyAssetDataHeader
{
LegacyAssetDataHeader() : dataType(0), version(0) {}
uint32_t dataType;
uint32_t version;
};
LegacyAssetDataHeader header;
stream >> header.dataType;
stream >> header.version;
NVBLAST_CHECK_ERROR(header.dataType == ExtPxSerializationLegacyID::Asset, "deserializeExtPxAsset: wrong data type in filebuf stream.", return nullptr);
NVBLAST_CHECK_ERROR(header.version == ExtPxSerializationLegacyAssetVersion::Current, "deserializeExtPxAsset: wrong data version in filebuf stream.", return nullptr);
// Read initial TkAsset
TkAsset* tkAsset = deserializeTkAsset(stream, framework);
NVBLAST_CHECK_ERROR(tkAsset != nullptr, "ExtPxAsset::deserialize: failed to deserialize TkAsset.", return nullptr);
// Create ExtPxAsset
ExtPxAssetImpl* asset = reinterpret_cast<ExtPxAssetImpl*>(ExtPxAsset::create(tkAsset));
// Fill arrays
auto& chunks = asset->getChunksArray();
chunks.resize(tkAsset->getChunkCount());
const uint32_t chunkCount = chunks.size();
for (uint32_t i = 0; i < chunkCount; ++i)
{
ExtPxChunk& chunk = chunks[i];
stream >> chunk.firstSubchunkIndex;
stream >> chunk.subchunkCount;
uint32_t val;
stream >> val;
chunk.isStatic = 0 != val;
}
auto& subchunks = asset->getSubchunksArray();
uint32_t subchunkCount;
stream >> subchunkCount;
subchunks.resize(subchunkCount);
for (uint32_t i = 0; i < subchunkCount; ++i)
{
ExtPxSubchunk& subchunk = subchunks[i];
// Subchunk transform
stream >> subchunk.transform.q.x >> subchunk.transform.q.y >> subchunk.transform.q.z >> subchunk.transform.q.w;
stream >> subchunk.transform.p.x >> subchunk.transform.p.y >> subchunk.transform.p.z;
// Subchunk scale
stream >> subchunk.geometry.scale.scale.x >> subchunk.geometry.scale.scale.y >> subchunk.geometry.scale.scale.z;
stream >> subchunk.geometry.scale.rotation.x >> subchunk.geometry.scale.rotation.y >> subchunk.geometry.scale.rotation.z >> subchunk.geometry.scale.rotation.w;
uint32_t convexReuseIndex;
stream >> convexReuseIndex;
if (isInvalidIndex(convexReuseIndex))
{
physx::PsMemoryBuffer memBuf(stream.view(), stream.left());
FileBufToPxInputStream inputStream(memBuf);
subchunk.geometry.convexMesh = physics.createConvexMesh(inputStream);
stream.advance(memBuf.tellRead());
}
else
{
NVBLAST_ASSERT_WITH_MESSAGE(convexReuseIndex < i, "ExtPxAsset::deserialize: wrong convexReuseIndex.");
subchunk.geometry.convexMesh = subchunks[convexReuseIndex].geometry.convexMesh;
}
if (!subchunk.geometry.convexMesh)
{
NVBLAST_LOG_ERROR("ExtPxAsset::deserialize: failed to deserialize convex mesh.");
return nullptr;
}
}
// checking if it's the end, so it will be binary compatible with asset before m_defaultActorDesc was added
if (!stream.eof())
{
auto& defaultActorDesc = asset->getDefaultActorDesc();
stream >> defaultActorDesc.uniformInitialBondHealth;
stream >> defaultActorDesc.uniformInitialLowerSupportChunkHealth;
auto& bondHealths = asset->getBondHealthsArray();
uint32_t bondHealthCount;
stream >> bondHealthCount;
bondHealths.resize(bondHealthCount);
for (uint32_t i = 0; i < bondHealths.size(); ++i)
{
stream >> bondHealths[i];
}
defaultActorDesc.initialBondHealths = bondHealthCount ? bondHealths.begin() : nullptr;
auto& supportChunkHealths = asset->getSupportChunkHealthsArray();
uint32_t supportChunkHealthCount;
stream >> supportChunkHealthCount;
supportChunkHealths.resize(supportChunkHealthCount);
for (uint32_t i = 0; i < supportChunkHealths.size(); ++i)
{
stream >> supportChunkHealths[i];
}
defaultActorDesc.initialSupportChunkHealths = supportChunkHealthCount ? supportChunkHealths.begin() : nullptr;
}
return asset;
}
} // namespace Blast
} // namespace Nv
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