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BulletSim: add parameter to UpdateProperties call into the linkset so changes from the physics engine can be differentiated from changes made by the user. This eliminates a linkset rebuild loop. Also add logic to not rebuild or freak out when the object/linkset crosses a terrain boundry.

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This commit is contained in:
Robert Adams
2012-12-16 21:18:32 -08:00
parent 3f2aaffd4d
commit 2b8efa24dd
6 changed files with 65 additions and 36 deletions
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9
OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
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@@ -214,7 +214,7 @@ public abstract class BSPhysObject : PhysicsActor
{
bool ret = true;
// If the 'no collision' call, force it to happen right now so quick collision_end
bool force = CollisionCollection.Count == 0;
bool force = (CollisionCollection.Count == 0);
// throttle the collisions to the number of milliseconds specified in the subscription
if (force || (PhysicsScene.SimulationNowTime >= NextCollisionOkTime))
@@ -232,8 +232,10 @@ public abstract class BSPhysObject : PhysicsActor
// DetailLog("{0},{1}.SendCollisionUpdate,call,numCollisions={2}", LocalID, TypeName, CollisionCollection.Count);
base.SendCollisionUpdate(CollisionCollection);
// The collisionCollection structure is passed around in the simulator.
// The CollisionCollection instance is passed around in the simulator.
// Make sure we don't have a handle to that one and that a new one is used for next time.
// This fixes an interesting 'gotcha'. If we call CollisionCollection.Clear() here,
// a race condition is created for the other users of this instance.
CollisionCollection = new CollisionEventUpdate();
}
return ret;
@@ -251,7 +253,8 @@ public abstract class BSPhysObject : PhysicsActor
PhysicsScene.TaintedObject(TypeName+".SubscribeEvents", delegate()
{
CurrentCollisionFlags = BulletSimAPI.AddToCollisionFlags2(PhysBody.ptr, CollisionFlags.BS_SUBSCRIBE_COLLISION_EVENTS);
if (PhysBody.HasPhysicalBody)
CurrentCollisionFlags = BulletSimAPI.AddToCollisionFlags2(PhysBody.ptr, CollisionFlags.BS_SUBSCRIBE_COLLISION_EVENTS);
});
}
else