// Release the usage of a body.
// Called when releasing use of a BSBody. BSShape is handled separately.
public void DereferenceBody(BulletBody body, bool inTaintTime, BodyDestructionCallback bodyCallback)
{
if (body.ptr == IntPtr.Zero)
{
return;
}
lock (m_collectionActivityLock)
{
BodyDesc bodyDesc;
if (Bodies.TryGetValue(body.ID, out bodyDesc))
{
bodyDesc.referenceCount--;
bodyDesc.lastReferenced = System.DateTime.Now;
Bodies[body.ID] = bodyDesc;
DetailLog("{0},BSShapeCollection.DereferenceBody,ref={1}", body.ID, bodyDesc.referenceCount);
// If body is no longer being used, free it -- bodies are never shared.
if (bodyDesc.referenceCount == 0)
{
Bodies.Remove(body.ID);
BSScene.TaintCallback removeOperation = delegate()
{
DetailLog("{0},BSShapeCollection.DereferenceBody,DestroyingBody. ptr={1}",
body.ID, body.ptr.ToString("X"));
// If the caller needs to know, pass the event up.
if (bodyCallback != null)
{
bodyCallback(body);
}
// Zero any reference to the shape so it is not freed when the body is deleted.
BulletSimAPI.SetCollisionShape2(PhysicsScene.World.ptr, body.ptr, IntPtr.Zero);
// It may have already been removed from the world in which case the next is a NOOP.
BulletSimAPI.RemoveObjectFromWorld2(PhysicsScene.World.ptr, body.ptr);
BulletSimAPI.DestroyObject2(PhysicsScene.World.ptr, body.ptr);
};
// If already in taint-time, do the operations now. Otherwise queue for later.
if (inTaintTime)
{
removeOperation();
}
else
{
PhysicsScene.TaintedObject("BSShapeCollection.DereferenceBody", removeOperation);
}
}
}
else
{
DetailLog("{0},BSShapeCollection.DereferenceBody,DID NOT FIND BODY", body.ID, bodyDesc.referenceCount);
}
}
}
