Binary serialization in the .bullet file format (work-in-progress)

src/BulletCollision/CollisionShapes/btBoxShape.h

@@ -310,8 +310,41 @@ public:
 		}
 	}
 
+	virtual	int	calculateSerializeBufferSize();
+
+	///fills the dataBuffer and returns the struct name (and 0 on failure)
+	virtual	const char*	serialize(void* dataBuffer) const;
+
+	
+	
+
 };
 
+
+struct	btBoxShapeData
+{
+	btVector3Data	m_halfExtents;
+	btVector3Data	m_localScaling;
+};
+
+
+
+SIMD_FORCE_INLINE	int	btBoxShape::calculateSerializeBufferSize()
+{
+	return sizeof(btBoxShapeData);
+}
+
+///fills the dataBuffer and returns the struct name (and 0 on failure)
+SIMD_FORCE_INLINE	const char*	btBoxShape::serialize(void* dataBuffer) const
+{
+	btBoxShapeData* boxData = (btBoxShapeData*) dataBuffer;
+
+	m_implicitShapeDimensions.serialize(boxData->m_halfExtents);
+	m_localScaling.serialize(boxData->m_localScaling);
+	return "btBoxShapeData";
+}
+
+
 #endif //OBB_BOX_MINKOWSKI_H
 
 

src/BulletCollision/CollisionShapes/btCollisionShape.h

@@ -21,6 +21,8 @@ subject to the following restrictions:
 #include "LinearMath/btMatrix3x3.h"
 #include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" //for the shape types
 
+
+
 ///The btCollisionShape class provides an interface for collision shapes that can be shared among btCollisionObjects.
 class btCollisionShape
 {
@@ -113,5 +115,14 @@ public:
 
 };	
 
+///for serialization
+struct	btCollisionShapeData
+{
+	void	*m_userPointer;
+	int		m_shapeType;
+	char	m_padding[4];
+};
+
+
 #endif //COLLISION_SHAPE_H
 

src/BulletCollision/CollisionShapes/btOptimizedBvh.h

@@ -47,7 +47,7 @@ public:
 	void	updateBvhNodes(btStridingMeshInterface* meshInterface,int firstNode,int endNode,int index);
 
 	/// Data buffer MUST be 16 byte aligned
-	virtual bool serialize(void *o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian)
+	virtual bool serialize(void *o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian) const
 	{
 		return btQuantizedBvh::serialize(o_alignedDataBuffer,i_dataBufferSize,i_swapEndian);