forked from LeenkxTeam/LNXSDK
112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
/*
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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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#ifndef BT_STATIC_PLANE_SHAPE_H
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#define BT_STATIC_PLANE_SHAPE_H
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#include "btConcaveShape.h"
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///The btStaticPlaneShape simulates an infinite non-moving (static) collision plane.
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ATTRIBUTE_ALIGNED16(class) btStaticPlaneShape : public btConcaveShape
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{
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protected:
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btVector3 m_localAabbMin;
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btVector3 m_localAabbMax;
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btVector3 m_planeNormal;
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btScalar m_planeConstant;
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btVector3 m_localScaling;
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public:
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BT_DECLARE_ALIGNED_ALLOCATOR();
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btStaticPlaneShape(const btVector3& planeNormal,btScalar planeConstant);
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virtual ~btStaticPlaneShape();
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virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
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virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const;
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virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const;
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virtual void setLocalScaling(const btVector3& scaling);
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virtual const btVector3& getLocalScaling() const;
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const btVector3& getPlaneNormal() const
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{
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return m_planeNormal;
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}
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const btScalar& getPlaneConstant() const
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{
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return m_planeConstant;
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}
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//debugging
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virtual const char* getName()const {return "STATICPLANE";}
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virtual int calculateSerializeBufferSize() const;
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///fills the dataBuffer and returns the struct name (and 0 on failure)
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virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const;
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};
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///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64
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struct btStaticPlaneShapeData
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{
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btCollisionShapeData m_collisionShapeData;
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btVector3FloatData m_localScaling;
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btVector3FloatData m_planeNormal;
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float m_planeConstant;
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char m_pad[4];
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};
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SIMD_FORCE_INLINE int btStaticPlaneShape::calculateSerializeBufferSize() const
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{
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return sizeof(btStaticPlaneShapeData);
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}
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///fills the dataBuffer and returns the struct name (and 0 on failure)
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SIMD_FORCE_INLINE const char* btStaticPlaneShape::serialize(void* dataBuffer, btSerializer* serializer) const
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{
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btStaticPlaneShapeData* planeData = (btStaticPlaneShapeData*) dataBuffer;
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btCollisionShape::serialize(&planeData->m_collisionShapeData,serializer);
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m_localScaling.serializeFloat(planeData->m_localScaling);
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m_planeNormal.serializeFloat(planeData->m_planeNormal);
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planeData->m_planeConstant = float(m_planeConstant);
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// Fill padding with zeros to appease msan.
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planeData->m_pad[0] = 0;
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planeData->m_pad[1] = 0;
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planeData->m_pad[2] = 0;
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planeData->m_pad[3] = 0;
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return "btStaticPlaneShapeData";
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}
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#endif //BT_STATIC_PLANE_SHAPE_H
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