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.

1 files changed, 10 insertions, 0 deletions

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs b/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
index 8dfb01c..3bd81d4 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
@@ -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;
@@ -1713,6 +1720,9 @@ public static extern bool AddObjectToWorld2(IntPtr world, IntPtr obj);
 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);
 
 [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]