From e12c89e8c9896b2e5cdd70dbd2d2acb449ff4b94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Sat, 13 Jan 2018 14:01:53 +0100
Subject: bullet: Streamline bundling, remove extraneous src/ folder

Document version and how to extract sources in thirdparty/README.md.
Drop unnecessary CMake and Premake files.
Simplify SCsub, drop unused one.
---
 .../CollisionShapes/btPolyhedralConvexShape.h      | 118 +++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h

(limited to 'thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h')

diff --git a/thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h b/thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
new file mode 100644
index 0000000000..7bf8e01c1f
--- /dev/null
+++ b/thirdparty/bullet/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h
@@ -0,0 +1,118 @@
+/*
+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_POLYHEDRAL_CONVEX_SHAPE_H
+#define BT_POLYHEDRAL_CONVEX_SHAPE_H
+
+#include "LinearMath/btMatrix3x3.h"
+#include "btConvexInternalShape.h"
+class btConvexPolyhedron;
+
+
+///The btPolyhedralConvexShape is an internal interface class for polyhedral convex shapes.
+ATTRIBUTE_ALIGNED16(class) btPolyhedralConvexShape : public btConvexInternalShape
+{
+	
+
+protected:
+	
+	btConvexPolyhedron* m_polyhedron;
+
+public:
+	
+	BT_DECLARE_ALIGNED_ALLOCATOR();
+	
+
+	btPolyhedralConvexShape();
+
+	virtual ~btPolyhedralConvexShape();
+
+	///optional method mainly used to generate multiple contact points by clipping polyhedral features (faces/edges)
+	///experimental/work-in-progress
+	virtual bool	initializePolyhedralFeatures(int shiftVerticesByMargin=0);
+
+	const btConvexPolyhedron*	getConvexPolyhedron() const
+	{
+		return m_polyhedron;
+	}
+
+	//brute force implementations
+
+	virtual btVector3	localGetSupportingVertexWithoutMargin(const btVector3& vec)const;
+	virtual void	batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const;
+	
+	virtual void	calculateLocalInertia(btScalar mass,btVector3& inertia) const;
+	
+	
+	virtual int	getNumVertices() const = 0 ;
+	virtual int getNumEdges() const = 0;
+	virtual void getEdge(int i,btVector3& pa,btVector3& pb) const = 0;
+	virtual void getVertex(int i,btVector3& vtx) const = 0;
+	virtual int	getNumPlanes() const = 0;
+	virtual void getPlane(btVector3& planeNormal,btVector3& planeSupport,int i ) const = 0;
+//	virtual int getIndex(int i) const = 0 ; 
+
+	virtual	bool isInside(const btVector3& pt,btScalar tolerance) const = 0;
+	
+};
+
+
+///The btPolyhedralConvexAabbCachingShape adds aabb caching to the btPolyhedralConvexShape
+class btPolyhedralConvexAabbCachingShape : public btPolyhedralConvexShape
+{
+
+	btVector3	m_localAabbMin;
+	btVector3	m_localAabbMax;
+	bool		m_isLocalAabbValid;
+		
+protected:
+
+	void setCachedLocalAabb (const btVector3& aabbMin, const btVector3& aabbMax)
+	{
+		m_isLocalAabbValid = true;
+		m_localAabbMin = aabbMin;
+		m_localAabbMax = aabbMax;
+	}
+
+	inline void getCachedLocalAabb (btVector3& aabbMin, btVector3& aabbMax) const
+	{
+		btAssert(m_isLocalAabbValid);
+		aabbMin = m_localAabbMin;
+		aabbMax = m_localAabbMax;
+	}
+
+protected:
+
+	btPolyhedralConvexAabbCachingShape();
+	
+public:
+	
+	inline void getNonvirtualAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax, btScalar margin) const
+	{
+
+		//lazy evaluation of local aabb
+		btAssert(m_isLocalAabbValid);
+		btTransformAabb(m_localAabbMin,m_localAabbMax,margin,trans,aabbMin,aabbMax);
+	}
+
+	virtual void	setLocalScaling(const btVector3& scaling);
+
+	virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const;
+
+	void	recalcLocalAabb();
+
+};
+
+#endif //BT_POLYHEDRAL_CONVEX_SHAPE_H
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