Created a KX_SoftBodyDeformer for real-time soft bodies.

Added SetDeformer/GetDeformer() to KX_GameObject.
Store mapping between graphics/soft body vertices (work-in-progress)
Real-time soft body integration is still very premature, but
for a quick preview, see this testfile:
http://bulletphysics.com/ftp/pub/test/index.php?dir=blender/&file=soft_test.blend

3 files changed, 26 insertions, 7 deletions

diff --git a/extern/bullet2/src/BulletSoftBody/btSoftBody.h b/extern/bullet2/src/BulletSoftBody/btSoftBody.h
index 4306ed9c471..e89bbcc4fa8 100644
--- a/extern/bullet2/src/BulletSoftBody/btSoftBody.h
+++ b/extern/bullet2/src/BulletSoftBody/btSoftBody.h
@@ -29,7 +29,7 @@ subject to the following restrictions:
 #include "BulletCollision/BroadphaseCollision/btDbvt.h"
 
 class btBroadphaseInterface;
-class btCollisionDispatcher;
+class btDispatcher;
 
 /* btSoftBodyWorldInfo	*/ 
 struct	btSoftBodyWorldInfo
@@ -39,7 +39,7 @@ struct	btSoftBodyWorldInfo
 	btScalar				water_offset;
 	btVector3				water_normal;
 	btBroadphaseInterface*	m_broadphase;
-	btCollisionDispatcher*	m_dispatcher;
+	btDispatcher*	m_dispatcher;
 	btVector3				m_gravity;
 	btSparseSdf<3>			m_sparsesdf;
 };	
@@ -607,6 +607,7 @@ public:
 	virtual ~btSoftBody();
 	/* Check for existing link												*/ 
 
+	btAlignedObjectArray<int>	m_userIndexMapping;
 
 	virtual void	setCollisionShape(btCollisionShape* collisionShape)
 	{
diff --git a/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.cpp b/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.cpp
index 01b9fc0fd35..b363a2efbc1 100644
--- a/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.cpp
+++ b/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.cpp
@@ -21,6 +21,10 @@ subject to the following restrictions:
 #include "btSoftBody.h"
 #include "btSoftBodyHelpers.h"
 
+
+
+
+
 btSoftRigidDynamicsWorld::btSoftRigidDynamicsWorld(btDispatcher* dispatcher,btBroadphaseInterface* pairCache,btConstraintSolver* constraintSolver,btCollisionConfiguration* collisionConfiguration)
 :btDiscreteDynamicsWorld(dispatcher,pairCache,constraintSolver,collisionConfiguration)
 {
@@ -28,6 +32,11 @@ m_drawFlags			=	fDrawFlags::Std;
 m_drawNodeTree		=	true;
 m_drawFaceTree		=	false;
 m_drawClusterTree	=	false;
+m_sbi.m_broadphase = pairCache;
+m_sbi.m_dispatcher = dispatcher;
+m_sbi.m_sparsesdf.Initialize();
+m_sbi.m_sparsesdf.Reset();
+
 }
 		
 btSoftRigidDynamicsWorld::~btSoftRigidDynamicsWorld()
diff --git a/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.h b/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.h
index d0010b65aad..aa8795d897b 100644
--- a/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.h
+++ b/extern/bullet2/src/BulletSoftBody/btSoftRigidDynamicsWorld.h
@@ -13,12 +13,12 @@ subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
-#include "BulletDynamics/Dynamics/btDiscreteDynamicsWorld.h"
-
 #ifndef BT_SOFT_RIGID_DYNAMICS_WORLD_H
 #define BT_SOFT_RIGID_DYNAMICS_WORLD_H
 
-class btSoftBody;
+#include "BulletDynamics/Dynamics/btDiscreteDynamicsWorld.h"
+#include "btSoftBody.h"
+
 typedef	btAlignedObjectArray<btSoftBody*> btSoftBodyArray;
 
 class btSoftRigidDynamicsWorld : public btDiscreteDynamicsWorld
@@ -29,7 +29,8 @@ class btSoftRigidDynamicsWorld : public btDiscreteDynamicsWorld
 	bool			m_drawNodeTree;
 	bool			m_drawFaceTree;
 	bool			m_drawClusterTree;
-		
+	btSoftBodyWorldInfo m_sbi;
+
 protected:
 	
 	virtual void	predictUnconstraintMotion(btScalar timeStep);
@@ -40,7 +41,6 @@ protected:
 
 	void	solveSoftBodiesConstraints();
 
-	
 
 public:
 	
@@ -57,6 +57,15 @@ public:
 	int		getDrawFlags() const { return(m_drawFlags); }
 	void	setDrawFlags(int f)	{ m_drawFlags=f; }
 
+	btSoftBodyWorldInfo&	getWorldInfo()
+	{
+		return m_sbi;
+	}
+	const btSoftBodyWorldInfo&	getWorldInfo() const
+	{
+		return m_sbi;
+	}
+
 			
 	btSoftBodyArray& getSoftBodyArray()
 	{