forked from bartvdbraak/blender
131 lines
2.8 KiB
C++
131 lines
2.8 KiB
C++
/*
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* Copyright (c) 2005 Erwin Coumans http://continuousphysics.com/Bullet/
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies.
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* Erwin Coumans makes no representations about the suitability
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* of this software for any purpose.
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* It is provided "as is" without express or implied warranty.
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*/
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#ifndef BROADPHASE_PROXY_H
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#define BROADPHASE_PROXY_H
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/// Dispatcher uses these types
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/// IMPORTANT NOTE:The types are ordered polyhedral, implicit convex and concave
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/// to facilitate type checking
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enum BroadphaseNativeTypes
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{
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// polyhedral convex shapes
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BOX_SHAPE_PROXYTYPE,
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TRIANGLE_SHAPE_PROXYTYPE,
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TETRAHEDRAL_SHAPE_PROXYTYPE,
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CONVEX_HULL_SHAPE_PROXYTYPE,
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//implicit convex shapes
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IMPLICIT_CONVEX_SHAPES_START_HERE,
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SPHERE_SHAPE_PROXYTYPE,
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MULTI_SPHERE_SHAPE_PROXYTYPE,
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CONE_SHAPE_PROXYTYPE,
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CONVEX_SHAPE_PROXYTYPE,
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CYLINDER_SHAPE_PROXYTYPE,
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MINKOWSKI_SUM_SHAPE_PROXYTYPE,
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MINKOWSKI_DIFFERENCE_SHAPE_PROXYTYPE,
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//concave shapes
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CONCAVE_SHAPES_START_HERE,
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//keep all the convex shapetype below here, for the check IsConvexShape in broadphase proxy!
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TRIANGLE_MESH_SHAPE_PROXYTYPE,
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EMPTY_SHAPE_PROXYTYPE,
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MAX_BROADPHASE_COLLISION_TYPES
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};
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///BroadphaseProxy
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struct BroadphaseProxy
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{
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//Usually the client CollisionObject or Rigidbody class
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void* m_clientObject;
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BroadphaseProxy() :m_clientObject(0),m_clientObjectType(-1){}
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BroadphaseProxy(int shapeType,void* userPtr)
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:m_clientObject(userPtr),
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m_clientObjectType(shapeType)
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{
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}
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int GetClientObjectType ( ) const { return m_clientObjectType;}
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void SetClientObjectType( int type ) {
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m_clientObjectType = type;
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}
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bool IsConvexShape()
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{
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return (GetClientObjectType () < TRIANGLE_MESH_SHAPE_PROXYTYPE);
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}
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bool IsConcaveShape()
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{
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return (GetClientObjectType() > CONCAVE_SHAPES_START_HERE);
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}
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protected:
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int m_clientObjectType;
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};
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class CollisionAlgorithm;
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struct BroadphaseProxy;
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#define SIMPLE_MAX_ALGORITHMS 2
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/// contains a pair of aabb-overlapping objects
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struct BroadphasePair
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{
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BroadphasePair ()
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:
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m_pProxy0(0),
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m_pProxy1(0)
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{
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for (int i=0;i<SIMPLE_MAX_ALGORITHMS;i++)
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{
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m_algorithms[i] = 0;
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}
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}
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BroadphasePair(const BroadphasePair& other)
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: m_pProxy0(other.m_pProxy0),
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m_pProxy1(other.m_pProxy1)
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{
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for (int i=0;i<SIMPLE_MAX_ALGORITHMS;i++)
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{
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m_algorithms[i] = other.m_algorithms[i];
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}
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}
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BroadphasePair(BroadphaseProxy& proxy0,BroadphaseProxy& proxy1)
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:
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m_pProxy0(&proxy0),
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m_pProxy1(&proxy1)
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{
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for (int i=0;i<SIMPLE_MAX_ALGORITHMS;i++)
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{
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m_algorithms[i] = 0;
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}
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}
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BroadphaseProxy* m_pProxy0;
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BroadphaseProxy* m_pProxy1;
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mutable CollisionAlgorithm* m_algorithms[SIMPLE_MAX_ALGORITHMS];
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};
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#endif //BROADPHASE_PROXY_H
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