2022-03-17 23:20:34 +01:00
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#ifndef B3_OPTIMIZED_BVH_H
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#define B3_OPTIMIZED_BVH_H
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2022-03-15 13:29:32 +01:00
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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///Contains contributions from Disney Studio's
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2022-03-17 23:20:34 +01:00
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2022-03-15 13:29:32 +01:00
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#include "b3QuantizedBvh.h"
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class b3StridingMeshInterface;
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///The b3OptimizedBvh extends the b3QuantizedBvh to create AABB tree for triangle meshes, through the b3StridingMeshInterface.
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B3_ATTRIBUTE_ALIGNED16(class)
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b3OptimizedBvh : public b3QuantizedBvh
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{
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public:
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B3_DECLARE_ALIGNED_ALLOCATOR();
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protected:
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public:
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b3OptimizedBvh();
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virtual ~b3OptimizedBvh();
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void build(b3StridingMeshInterface * triangles, bool useQuantizedAabbCompression, const b3Vector3& bvhAabbMin, const b3Vector3& bvhAabbMax);
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void refit(b3StridingMeshInterface * triangles, const b3Vector3& aabbMin, const b3Vector3& aabbMax);
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void refitPartial(b3StridingMeshInterface * triangles, const b3Vector3& aabbMin, const b3Vector3& aabbMax);
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void updateBvhNodes(b3StridingMeshInterface * meshInterface, int firstNode, int endNode, int index);
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/// Data buffer MUST be 16 byte aligned
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virtual bool serializeInPlace(void* o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian) const
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{
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return b3QuantizedBvh::serialize(o_alignedDataBuffer, i_dataBufferSize, i_swapEndian);
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}
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///deSerializeInPlace loads and initializes a BVH from a buffer in memory 'in place'
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static b3OptimizedBvh* deSerializeInPlace(void* i_alignedDataBuffer, unsigned int i_dataBufferSize, bool i_swapEndian);
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};
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#endif //B3_OPTIMIZED_BVH_H
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