BulletSim: move center of gravity of linkset to its geometric center.

Necessitated allowing simulator and physical position of a body to
get out of sync since Bullet assumes that <0,0,0> is the center of mass.
Update DLLs and SOs for the UpdateChildTransform so positions of
  individual prim in a linkset can be implemented.

1 files changed, 9 insertions, 0 deletions

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs b/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
index 14de2eb..0fef67c 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
@@ -327,6 +327,12 @@ public override void RemoveChildShapeFromCompoundShape(BulletShape shape, Bullet
     BSAPICPP.RemoveChildShapeFromCompoundShape2(shapeu.ptr, removeShapeu.ptr);
 }
 
+public override void UpdateChildTransform(BulletShape pShape, int childIndex, Vector3 pos, Quaternion rot, bool shouldRecalculateLocalAabb)
+{
+    BulletShapeUnman shapeu = pShape as BulletShapeUnman;
+    BSAPICPP.UpdateChildTransform2(shapeu.ptr, childIndex, pos, rot, shouldRecalculateLocalAabb);
+}
+
 public override void RecalculateCompoundShapeLocalAabb(BulletShape shape)
 {
     BulletShapeUnman shapeu = shape as BulletShapeUnman;
@@ -1357,6 +1363,9 @@ public static extern IntPtr RemoveChildShapeFromCompoundShapeIndex2(IntPtr cShap
 public static extern void RemoveChildShapeFromCompoundShape2(IntPtr cShape, IntPtr removeShape);
 
 [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
+public static extern void UpdateChildTransform2(IntPtr pShape, int childIndex, Vector3 pos, Quaternion rot, bool shouldRecalculateLocalAabb);
+
+[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
 public static extern void RecalculateCompoundShapeLocalAabb2(IntPtr cShape);
 
 [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]