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Bullet/BroadphaseCollision/BroadphaseProxy.h

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+/*
+Bullet Continuous Collision Detection and Physics Library
+Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+
+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 BROADPHASE_PROXY_H
+#define BROADPHASE_PROXY_H
+
+
+
+/// Dispatcher uses these types
+/// IMPORTANT NOTE:The types are ordered polyhedral, implicit convex and concave
+/// to facilitate type checking
+enum BroadphaseNativeTypes
+{
+// polyhedral convex shapes
+	BOX_SHAPE_PROXYTYPE,
+	TRIANGLE_SHAPE_PROXYTYPE,
+	TETRAHEDRAL_SHAPE_PROXYTYPE,
+	CONVEX_HULL_SHAPE_PROXYTYPE,
+//implicit convex shapes
+IMPLICIT_CONVEX_SHAPES_START_HERE,
+	SPHERE_SHAPE_PROXYTYPE,
+	MULTI_SPHERE_SHAPE_PROXYTYPE,
+	CONE_SHAPE_PROXYTYPE,
+	CONVEX_SHAPE_PROXYTYPE,
+	CYLINDER_SHAPE_PROXYTYPE,
+	MINKOWSKI_SUM_SHAPE_PROXYTYPE,
+	MINKOWSKI_DIFFERENCE_SHAPE_PROXYTYPE,
+//concave shapes
+CONCAVE_SHAPES_START_HERE,
+	//keep all the convex shapetype below here, for the check IsConvexShape in broadphase proxy!
+	TRIANGLE_MESH_SHAPE_PROXYTYPE,
+	EMPTY_SHAPE_PROXYTYPE,
+
+	MAX_BROADPHASE_COLLISION_TYPES
+};
+
+
+///BroadphaseProxy
+struct BroadphaseProxy
+{
+	
+	//Usually the client CollisionObject or Rigidbody class
+	void*	m_clientObject;
+
+
+	BroadphaseProxy() :m_clientObject(0){}
+	BroadphaseProxy(int shapeType,void* userPtr)
+		:m_clientObject(userPtr)
+		//m_clientObjectType(shapeType)
+	{
+	}
+	
+};
+
+class CollisionAlgorithm;
+
+struct BroadphaseProxy;
+
+#define SIMPLE_MAX_ALGORITHMS 2
+
+/// contains a pair of aabb-overlapping objects
+struct BroadphasePair
+{
+	BroadphasePair ()
+		:
+	m_pProxy0(0),
+		m_pProxy1(0)
+	{
+		for (int i=0;i<SIMPLE_MAX_ALGORITHMS;i++)
+		{
+			m_algorithms[i] = 0;
+		}
+	}
+
+	BroadphasePair(const BroadphasePair& other)
+		:		m_pProxy0(other.m_pProxy0),
+				m_pProxy1(other.m_pProxy1)
+	{
+		for (int i=0;i<SIMPLE_MAX_ALGORITHMS;i++)
+		{
+			m_algorithms[i] = other.m_algorithms[i];
+		}
+	}
+	BroadphasePair(BroadphaseProxy& proxy0,BroadphaseProxy& proxy1)
+		:
+		m_pProxy0(&proxy0),
+		m_pProxy1(&proxy1)
+	{
+		for (int i=0;i<SIMPLE_MAX_ALGORITHMS;i++)
+	{
+			m_algorithms[i] = 0;
+		}
+
+	}
+
+	
+	BroadphaseProxy* m_pProxy0;
+	BroadphaseProxy* m_pProxy1;
+	
+	mutable CollisionAlgorithm* m_algorithms[SIMPLE_MAX_ALGORITHMS];
+};
+
+#endif //BROADPHASE_PROXY_H
+