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.

1 files changed, 0 insertions, 346 deletions

diff --git a/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp b/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp
deleted file mode 100644
index 39ff7934d9..0000000000
--- a/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
-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.
-*/
-
-
-#include "btConvexConcaveCollisionAlgorithm.h"
-#include "LinearMath/btQuickprof.h"
-#include "BulletCollision/CollisionDispatch/btCollisionObject.h"
-#include "BulletCollision/CollisionShapes/btMultiSphereShape.h"
-#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h"
-#include "BulletCollision/CollisionShapes/btConcaveShape.h"
-#include "BulletCollision/CollisionDispatch/btManifoldResult.h"
-#include "BulletCollision/NarrowPhaseCollision/btRaycastCallback.h"
-#include "BulletCollision/CollisionShapes/btTriangleShape.h"
-#include "BulletCollision/CollisionShapes/btSphereShape.h"
-#include "LinearMath/btIDebugDraw.h"
-#include "BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.h"
-#include "BulletCollision/CollisionDispatch/btCollisionObjectWrapper.h"
-
-btConvexConcaveCollisionAlgorithm::btConvexConcaveCollisionAlgorithm( const btCollisionAlgorithmConstructionInfo& ci, const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,bool isSwapped)
-: btActivatingCollisionAlgorithm(ci,body0Wrap,body1Wrap),
-m_btConvexTriangleCallback(ci.m_dispatcher1,body0Wrap,body1Wrap,isSwapped),
-m_isSwapped(isSwapped)
-{
-}
-
-btConvexConcaveCollisionAlgorithm::~btConvexConcaveCollisionAlgorithm()
-{
-}
-
-void	btConvexConcaveCollisionAlgorithm::getAllContactManifolds(btManifoldArray&	manifoldArray)
-{
-	if (m_btConvexTriangleCallback.m_manifoldPtr)
-	{
-		manifoldArray.push_back(m_btConvexTriangleCallback.m_manifoldPtr);
-	}
-}
-
-
-btConvexTriangleCallback::btConvexTriangleCallback(btDispatcher*  dispatcher,const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,bool isSwapped):
-	  m_dispatcher(dispatcher),
-	m_dispatchInfoPtr(0)
-{
-	m_convexBodyWrap = isSwapped? body1Wrap:body0Wrap;
-	m_triBodyWrap = isSwapped? body0Wrap:body1Wrap;
-	
-	  //
-	  // create the manifold from the dispatcher 'manifold pool'
-	  //
-	  m_manifoldPtr = m_dispatcher->getNewManifold(m_convexBodyWrap->getCollisionObject(),m_triBodyWrap->getCollisionObject());
-
-  	  clearCache();
-}
-
-btConvexTriangleCallback::~btConvexTriangleCallback()
-{
-	clearCache();
-	m_dispatcher->releaseManifold( m_manifoldPtr );
-  
-}
-  
-
-void	btConvexTriangleCallback::clearCache()
-{
-	m_dispatcher->clearManifold(m_manifoldPtr);
-}
-
-
-void btConvexTriangleCallback::processTriangle(btVector3* triangle,int
-partId, int triangleIndex)
-{
-	BT_PROFILE("btConvexTriangleCallback::processTriangle");
-
-	if (!TestTriangleAgainstAabb2(triangle, m_aabbMin, m_aabbMax))
-	{
-		return;
-	}
-
-        //just for debugging purposes
-        //printf("triangle %d",m_triangleCount++);
-
-
-
-	btCollisionAlgorithmConstructionInfo ci;
-	ci.m_dispatcher1 = m_dispatcher;
-
-
-
-#if 0	
-	
-	///debug drawing of the overlapping triangles
-	if (m_dispatchInfoPtr && m_dispatchInfoPtr->m_debugDraw && (m_dispatchInfoPtr->m_debugDraw->getDebugMode() &btIDebugDraw::DBG_DrawWireframe ))
-	{
-		const btCollisionObject* ob = const_cast<btCollisionObject*>(m_triBodyWrap->getCollisionObject());
-		btVector3 color(1,1,0);
-		btTransform& tr = ob->getWorldTransform();
-		m_dispatchInfoPtr->m_debugDraw->drawLine(tr(triangle[0]),tr(triangle[1]),color);
-		m_dispatchInfoPtr->m_debugDraw->drawLine(tr(triangle[1]),tr(triangle[2]),color);
-		m_dispatchInfoPtr->m_debugDraw->drawLine(tr(triangle[2]),tr(triangle[0]),color);
-	}
-#endif
-	
-	if (m_convexBodyWrap->getCollisionShape()->isConvex())
-	{
-		btTriangleShape tm(triangle[0],triangle[1],triangle[2]);	
-		tm.setMargin(m_collisionMarginTriangle);
-		
-		
-		btCollisionObjectWrapper triObWrap(m_triBodyWrap,&tm,m_triBodyWrap->getCollisionObject(),m_triBodyWrap->getWorldTransform(),partId,triangleIndex);//correct transform?
-		btCollisionAlgorithm* colAlgo = 0;
-		
-		if (m_resultOut->m_closestPointDistanceThreshold > 0)
-		{
-			colAlgo = ci.m_dispatcher1->findAlgorithm(m_convexBodyWrap, &triObWrap, 0, BT_CLOSEST_POINT_ALGORITHMS);
-		}
-		else
-		{
-			colAlgo = ci.m_dispatcher1->findAlgorithm(m_convexBodyWrap, &triObWrap, m_manifoldPtr, BT_CONTACT_POINT_ALGORITHMS);
-		}
-		const btCollisionObjectWrapper* tmpWrap = 0;
-
-		if (m_resultOut->getBody0Internal() == m_triBodyWrap->getCollisionObject())
-		{
-			tmpWrap = m_resultOut->getBody0Wrap();
-			m_resultOut->setBody0Wrap(&triObWrap);
-			m_resultOut->setShapeIdentifiersA(partId,triangleIndex);
-		}
-		else
-		{
-			tmpWrap = m_resultOut->getBody1Wrap();
-			m_resultOut->setBody1Wrap(&triObWrap);
-			m_resultOut->setShapeIdentifiersB(partId,triangleIndex);
-		}
-	
-		colAlgo->processCollision(m_convexBodyWrap,&triObWrap,*m_dispatchInfoPtr,m_resultOut);
-
-		if (m_resultOut->getBody0Internal() == m_triBodyWrap->getCollisionObject())
-		{
-			m_resultOut->setBody0Wrap(tmpWrap);
-		} else
-		{
-			m_resultOut->setBody1Wrap(tmpWrap);
-		}
-		
-
-
-		colAlgo->~btCollisionAlgorithm();
-		ci.m_dispatcher1->freeCollisionAlgorithm(colAlgo);
-	}
-
-}
-
-
-
-void	btConvexTriangleCallback::setTimeStepAndCounters(btScalar collisionMarginTriangle,const btDispatcherInfo& dispatchInfo,const btCollisionObjectWrapper* convexBodyWrap, const btCollisionObjectWrapper* triBodyWrap, btManifoldResult* resultOut)
-{
-	m_convexBodyWrap = convexBodyWrap;
-	m_triBodyWrap = triBodyWrap;
-
-	m_dispatchInfoPtr = &dispatchInfo;
-	m_collisionMarginTriangle = collisionMarginTriangle;
-	m_resultOut = resultOut;
-
-	//recalc aabbs
-	btTransform convexInTriangleSpace;
-	convexInTriangleSpace = m_triBodyWrap->getWorldTransform().inverse() * m_convexBodyWrap->getWorldTransform();
-	const btCollisionShape* convexShape = static_cast<const btCollisionShape*>(m_convexBodyWrap->getCollisionShape());
-	//CollisionShape* triangleShape = static_cast<btCollisionShape*>(triBody->m_collisionShape);
-	convexShape->getAabb(convexInTriangleSpace,m_aabbMin,m_aabbMax);
-	btScalar extraMargin = collisionMarginTriangle+ resultOut->m_closestPointDistanceThreshold;
-	
-	btVector3 extra(extraMargin,extraMargin,extraMargin);
-
-	m_aabbMax += extra;
-	m_aabbMin -= extra;
-	
-}
-
-void btConvexConcaveCollisionAlgorithm::clearCache()
-{
-	m_btConvexTriangleCallback.clearCache();
-
-}
-
-void btConvexConcaveCollisionAlgorithm::processCollision (const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut)
-{
-	BT_PROFILE("btConvexConcaveCollisionAlgorithm::processCollision");
-	
-	const btCollisionObjectWrapper* convexBodyWrap = m_isSwapped ? body1Wrap : body0Wrap;
-	const btCollisionObjectWrapper* triBodyWrap = m_isSwapped ? body0Wrap : body1Wrap;
-
-	if (triBodyWrap->getCollisionShape()->isConcave())
-	{
-
-
-		
-		const btConcaveShape* concaveShape = static_cast<const btConcaveShape*>( triBodyWrap->getCollisionShape());
-		
-		if (convexBodyWrap->getCollisionShape()->isConvex())
-		{
-			btScalar collisionMarginTriangle = concaveShape->getMargin();
-					
-			resultOut->setPersistentManifold(m_btConvexTriangleCallback.m_manifoldPtr);
-			m_btConvexTriangleCallback.setTimeStepAndCounters(collisionMarginTriangle,dispatchInfo,convexBodyWrap,triBodyWrap,resultOut);
-
-			m_btConvexTriangleCallback.m_manifoldPtr->setBodies(convexBodyWrap->getCollisionObject(),triBodyWrap->getCollisionObject());
-
-			concaveShape->processAllTriangles( &m_btConvexTriangleCallback,m_btConvexTriangleCallback.getAabbMin(),m_btConvexTriangleCallback.getAabbMax());
-			
-			resultOut->refreshContactPoints();
-
-			m_btConvexTriangleCallback.clearWrapperData();
-	
-		}
-	
-	}
-
-}
-
-
-btScalar btConvexConcaveCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut)
-{
-	(void)resultOut;
-	(void)dispatchInfo;
-	btCollisionObject* convexbody = m_isSwapped ? body1 : body0;
-	btCollisionObject* triBody = m_isSwapped ? body0 : body1;
-
-
-	//quick approximation using raycast, todo: hook up to the continuous collision detection (one of the btConvexCast)
-
-	//only perform CCD above a certain threshold, this prevents blocking on the long run
-	//because object in a blocked ccd state (hitfraction<1) get their linear velocity halved each frame...
-	btScalar squareMot0 = (convexbody->getInterpolationWorldTransform().getOrigin() - convexbody->getWorldTransform().getOrigin()).length2();
-	if (squareMot0 < convexbody->getCcdSquareMotionThreshold())
-	{
-		return btScalar(1.);
-	}
-
-	//const btVector3& from = convexbody->m_worldTransform.getOrigin();
-	//btVector3 to = convexbody->m_interpolationWorldTransform.getOrigin();
-	//todo: only do if the motion exceeds the 'radius'
-
-	btTransform triInv = triBody->getWorldTransform().inverse();
-	btTransform convexFromLocal = triInv * convexbody->getWorldTransform();
-	btTransform convexToLocal = triInv * convexbody->getInterpolationWorldTransform();
-
-	struct LocalTriangleSphereCastCallback	: public btTriangleCallback
-	{
-		btTransform m_ccdSphereFromTrans;
-		btTransform m_ccdSphereToTrans;
-		btTransform	m_meshTransform;
-
-		btScalar	m_ccdSphereRadius;
-		btScalar	m_hitFraction;
-	
-
-		LocalTriangleSphereCastCallback(const btTransform& from,const btTransform& to,btScalar ccdSphereRadius,btScalar hitFraction)
-			:m_ccdSphereFromTrans(from),
-			m_ccdSphereToTrans(to),
-			m_ccdSphereRadius(ccdSphereRadius),
-			m_hitFraction(hitFraction)
-		{			
-		}
-		
-		
-		virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex)
-		{
-			BT_PROFILE("processTriangle");
-			(void)partId;
-			(void)triangleIndex;
-			//do a swept sphere for now
-			btTransform ident;
-			ident.setIdentity();
-			btConvexCast::CastResult castResult;
-			castResult.m_fraction = m_hitFraction;
-			btSphereShape	pointShape(m_ccdSphereRadius);
-			btTriangleShape	triShape(triangle[0],triangle[1],triangle[2]);
-			btVoronoiSimplexSolver	simplexSolver;
-			btSubsimplexConvexCast convexCaster(&pointShape,&triShape,&simplexSolver);
-			//GjkConvexCast	convexCaster(&pointShape,convexShape,&simplexSolver);
-			//ContinuousConvexCollision convexCaster(&pointShape,convexShape,&simplexSolver,0);
-			//local space?
-
-			if (convexCaster.calcTimeOfImpact(m_ccdSphereFromTrans,m_ccdSphereToTrans,
-				ident,ident,castResult))
-			{
-				if (m_hitFraction > castResult.m_fraction)
-					m_hitFraction = castResult.m_fraction;
-			}
-
-		}
-
-	};
-
-
-	
-
-	
-	if (triBody->getCollisionShape()->isConcave())
-	{
-		btVector3 rayAabbMin = convexFromLocal.getOrigin();
-		rayAabbMin.setMin(convexToLocal.getOrigin());
-		btVector3 rayAabbMax = convexFromLocal.getOrigin();
-		rayAabbMax.setMax(convexToLocal.getOrigin());
-		btScalar ccdRadius0 = convexbody->getCcdSweptSphereRadius();
-		rayAabbMin -= btVector3(ccdRadius0,ccdRadius0,ccdRadius0);
-		rayAabbMax += btVector3(ccdRadius0,ccdRadius0,ccdRadius0);
-
-		btScalar curHitFraction = btScalar(1.); //is this available?
-		LocalTriangleSphereCastCallback raycastCallback(convexFromLocal,convexToLocal,
-			convexbody->getCcdSweptSphereRadius(),curHitFraction);
-
-		raycastCallback.m_hitFraction = convexbody->getHitFraction();
-
-		btCollisionObject* concavebody = triBody;
-
-		btConcaveShape* triangleMesh = (btConcaveShape*) concavebody->getCollisionShape();
-		
-		if (triangleMesh)
-		{
-			triangleMesh->processAllTriangles(&raycastCallback,rayAabbMin,rayAabbMax);
-		}
-	
-
-
-		if (raycastCallback.m_hitFraction < convexbody->getHitFraction())
-		{
-			convexbody->setHitFraction( raycastCallback.m_hitFraction);
-			return raycastCallback.m_hitFraction;
-		}
-	}
-
-	return btScalar(1.);
-
-}