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BulletSim: fix physical object not interacting with static objects. 

Another instance of the underlying Bullet doing, ah, helpful things
when items are added to the world.
0.7.5-pf-bulletsim
Robert Adams 2012-12-27 22:02:38 -08:00
parent c1e7539c77
commit 422f0fd6ec
1 changed files with 24 additions and 9 deletions
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33
OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
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@ -438,7 +438,7 @@ public sealed class BSPrim : BSPhysObject
if (inWorld)
{
BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, PhysBody.ptr);
AddObjectToPhysicalWorld();
}
// Must set gravity after it has been added to the world because, for unknown reasons,
@ -740,18 +740,11 @@ public sealed class BSPrim : BSPhysObject
// Make solid or not (do things bounce off or pass through this object).
MakeSolid(IsSolid);
BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, PhysBody.ptr);
// TODO: Fix this. Total kludge because adding object to world resets its gravity to default.
// Replace this when the new AddObjectToWorld function is complete.
BulletSimAPI.SetGravity2(PhysBody.ptr, ComputeGravity());
AddObjectToPhysicalWorld();
// Rebuild its shape
BulletSimAPI.UpdateSingleAabb2(PhysicsScene.World.ptr, PhysBody.ptr);
// Collision filter can be set only when the object is in the world
PhysBody.ApplyCollisionMask();
// Recompute any linkset parameters.
// When going from non-physical to physical, this re-enables the constraints that
// had been automatically disabled when the mass was set to zero.
@ -900,6 +893,28 @@ public sealed class BSPrim : BSPhysObject
}
}
// Add me to the physical world.
// Object MUST NOT already be in the world.
// This routine exists because some assorted properties get mangled by adding to the world.
internal void AddObjectToPhysicalWorld()
{
if (PhysBody.HasPhysicalBody)
{
BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, PhysBody.ptr);
// TODO: Fix this. Total kludge because adding object to world resets its gravity to default.
// Replace this when the new AddObjectToWorld function is complete.
BulletSimAPI.SetGravity2(PhysBody.ptr, ComputeGravity());
// Collision filter can be set only when the object is in the world
if (!PhysBody.ApplyCollisionMask())
{
m_log.ErrorFormat("{0} Failed setting object collision mask: id={1}", LogHeader, LocalID);
DetailLog("{0},BSPrim.UpdatePhysicalParameters,failedSetMaskGroup,cType={1}", LocalID, PhysBody.collisionType);
}
}
}
// prims don't fly
public override bool Flying {
get { return _flying; }