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Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btStaticPlaneShape.h')
-rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionShapes/btStaticPlaneShape.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btStaticPlaneShape.h b/thirdparty/bullet/BulletCollision/CollisionShapes/btStaticPlaneShape.h new file mode 100644 index 0000000000..5e9eccc77d --- /dev/null +++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btStaticPlaneShape.h @@ -0,0 +1,111 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +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. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef BT_STATIC_PLANE_SHAPE_H +#define BT_STATIC_PLANE_SHAPE_H + +#include "btConcaveShape.h" + + +///The btStaticPlaneShape simulates an infinite non-moving (static) collision plane. +ATTRIBUTE_ALIGNED16(class) btStaticPlaneShape : public btConcaveShape +{ +protected: + btVector3 m_localAabbMin; + btVector3 m_localAabbMax; + + btVector3 m_planeNormal; + btScalar m_planeConstant; + btVector3 m_localScaling; + +public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btStaticPlaneShape(const btVector3& planeNormal,btScalar planeConstant); + + virtual ~btStaticPlaneShape(); + + + virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + + virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; + + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; + + virtual void setLocalScaling(const btVector3& scaling); + virtual const btVector3& getLocalScaling() const; + + const btVector3& getPlaneNormal() const + { + return m_planeNormal; + } + + const btScalar& getPlaneConstant() const + { + return m_planeConstant; + } + + //debugging + virtual const char* getName()const {return "STATICPLANE";} + + virtual int calculateSerializeBufferSize() const; + + ///fills the dataBuffer and returns the struct name (and 0 on failure) + virtual const char* serialize(void* dataBuffer, btSerializer* serializer) const; + + +}; + +///do not change those serialization structures, it requires an updated sBulletDNAstr/sBulletDNAstr64 +struct btStaticPlaneShapeData +{ + btCollisionShapeData m_collisionShapeData; + + btVector3FloatData m_localScaling; + btVector3FloatData m_planeNormal; + float m_planeConstant; + char m_pad[4]; +}; + + +SIMD_FORCE_INLINE int btStaticPlaneShape::calculateSerializeBufferSize() const +{ + return sizeof(btStaticPlaneShapeData); +} + +///fills the dataBuffer and returns the struct name (and 0 on failure) +SIMD_FORCE_INLINE const char* btStaticPlaneShape::serialize(void* dataBuffer, btSerializer* serializer) const +{ + btStaticPlaneShapeData* planeData = (btStaticPlaneShapeData*) dataBuffer; + btCollisionShape::serialize(&planeData->m_collisionShapeData,serializer); + + m_localScaling.serializeFloat(planeData->m_localScaling); + m_planeNormal.serializeFloat(planeData->m_planeNormal); + planeData->m_planeConstant = float(m_planeConstant); + + // Fill padding with zeros to appease msan. + planeData->m_pad[0] = 0; + planeData->m_pad[1] = 0; + planeData->m_pad[2] = 0; + planeData->m_pad[3] = 0; + + return "btStaticPlaneShapeData"; +} + + +#endif //BT_STATIC_PLANE_SHAPE_H + + + |