BGE Physics

Add support back for reinstancePhysics mesh, a frequently requested feature in the BGE forums.
from what I can tell Sumo supported this but bullet never did.
Currently only accessible via python at the moment.

- rigid body, dynamic, static types work.
- instanced physics meshes are modified too.
- compound shapes are not supported.

Physics mesh can be re-instanced from...
* shape keys & armature deformations
* subsurf (any other modifiers too)
* RAS_TexVert's (can be modified from python)

Moved the reinstancePhysicsMesh functions from RAS_MeshObject into KX_GameObject since the physics data is stored here.

video and blend file demo.
http://www.graphicall.org/ftp/ideasman42/reinstance.ogv
http://www.graphicall.org/ftp/ideasman42/reinstance_demo.blend

2 files changed, 6 insertions, 1 deletions

diff --git a/source/gameengine/Converter/BL_BlenderDataConversion.cpp b/source/gameengine/Converter/BL_BlenderDataConversion.cpp
index 385301b1105..caa76263b25 100644
--- a/source/gameengine/Converter/BL_BlenderDataConversion.cpp
+++ b/source/gameengine/Converter/BL_BlenderDataConversion.cpp
@@ -1040,7 +1040,10 @@ RAS_MeshObject* BL_ConvertMesh(Mesh* mesh, Object* blenderobj, RAS_IRenderTools*
 			layer.face++;
 		}
 	}
-	meshobj->m_sharedvertex_map.clear();
+	// keep meshobj->m_sharedvertex_map for reinstance phys mesh.
+	// 2.49a and before it did: meshobj->m_sharedvertex_map.clear();
+	// but this didnt save much ram. - Campbell
+	meshobj->EndConversion();
 
 	// pre calculate texture generation
 	for(list<RAS_MeshMaterial>::iterator mit = meshobj->GetFirstMaterial();
diff --git a/source/gameengine/Converter/BL_MeshDeformer.h b/source/gameengine/Converter/BL_MeshDeformer.h
index 99ae5f9dea0..289826e45e7 100644
--- a/source/gameengine/Converter/BL_MeshDeformer.h
+++ b/source/gameengine/Converter/BL_MeshDeformer.h
@@ -68,6 +68,8 @@ public:
 	virtual	RAS_Deformer*	GetReplica(){return NULL;};
 	virtual void ProcessReplica();
 	struct Mesh* GetMesh() { return m_bmesh; };
+	virtual class RAS_MeshObject* GetRasMesh() { return (RAS_MeshObject*)m_pMeshObject; };
+	virtual float (* GetTransVerts(int *tot))[3]	{	*tot= m_tvtot; return m_transverts; }
 	//	virtual void InitDeform(double time){};
 
 protected: