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BulletSim: add ClearCollisionProxyCache function to API. 

Add proxy cache clearing when some properties are changed. This fixes
a problem where objects would stop colliding of they were moved
with setPosition mulitple times.
0.7.6-extended
Robert Adams 2013-09-10 17:32:01 -07:00 committed by Justin Clark-Casey (justincc)
parent b6568c7e22
commit 568ff6fddc
4 changed files with 35 additions and 2 deletions
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10
OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
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@ -725,6 +725,13 @@ public override bool RemoveObjectFromWorld(BulletWorld world, BulletBody obj)
return BSAPICPP.RemoveObjectFromWorld2(worldu.ptr, bodyu.ptr);
}
public override bool ClearCollisionProxyCache(BulletWorld world, BulletBody obj)
{
BulletWorldUnman worldu = world as BulletWorldUnman;
BulletBodyUnman bodyu = obj as BulletBodyUnman;
return BSAPICPP.ClearCollisionProxyCache2(worldu.ptr, bodyu.ptr);
}
public override bool AddConstraintToWorld(BulletWorld world, BulletConstraint constrain, bool disableCollisionsBetweenLinkedObjects)
{
BulletWorldUnman worldu = world as BulletWorldUnman;
@ -1712,6 +1719,9 @@ public static extern bool AddObjectToWorld2(IntPtr world, IntPtr obj);
[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
public static extern bool RemoveObjectFromWorld2(IntPtr world, IntPtr obj);
[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
public static extern bool ClearCollisionProxyCache2(IntPtr world, IntPtr obj);
[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
public static extern bool AddConstraintToWorld2(IntPtr world, IntPtr constrain, bool disableCollisionsBetweenLinkedObjects);

13
OpenSim/Region/Physics/BulletSPlugin/BSAPIXNA.cs
View File

@ -169,6 +169,19 @@ private sealed class BulletConstraintXNA : BulletConstraint
return true;
}
public override bool ClearCollisionProxyCache(BulletWorld pWorld, BulletBody pBody)
{
DiscreteDynamicsWorld world = (pWorld as BulletWorldXNA).world;
RigidBody body = ((BulletBodyXNA)pBody).rigidBody;
CollisionObject collisionObject = ((BulletBodyXNA)pBody).body;
if (body != null && collisionObject != null && collisionObject.GetBroadphaseHandle() != null)
{
world.RemoveCollisionObject(collisionObject);
world.AddCollisionObject(collisionObject);
}
return true;
}
public override bool AddConstraintToWorld(BulletWorld pWorld, BulletConstraint pConstraint, bool pDisableCollisionsBetweenLinkedObjects)
{
DiscreteDynamicsWorld world = (pWorld as BulletWorldXNA).world;

2
OpenSim/Region/Physics/BulletSPlugin/BSApiTemplate.cs
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@ -498,6 +498,8 @@ public abstract bool AddObjectToWorld(BulletWorld world, BulletBody obj);
public abstract bool RemoveObjectFromWorld(BulletWorld world, BulletBody obj);
public abstract bool ClearCollisionProxyCache(BulletWorld world, BulletBody obj);
public abstract bool AddConstraintToWorld(BulletWorld world, BulletConstraint constrain, bool disableCollisionsBetweenLinkedObjects);
public abstract bool RemoveConstraintFromWorld(BulletWorld world, BulletConstraint constrain);

12
OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
View File

@ -300,8 +300,16 @@ public abstract class BSPhysObject : PhysicsActor
// Called in taint-time!!
public void ActivateIfPhysical(bool forceIt)
{
if (IsPhysical && PhysBody.HasPhysicalBody)
PhysScene.PE.Activate(PhysBody, forceIt);
if (PhysBody.HasPhysicalBody)
{
// Clear the collision cache since we've changed some properties.
PhysScene.PE.ClearCollisionProxyCache(PhysScene.World, PhysBody);
if (IsPhysical)
{
// Physical objects might need activating
PhysScene.PE.Activate(PhysBody, forceIt);
}
}
}
// 'actors' act on the physical object to change or constrain its motion. These can range from