3 files changed, 48 insertions, 9 deletions

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
index 20708d9..b08d5db 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
@@ -426,6 +426,8 @@ public class BSCharacter : PhysicsActor
         }
     }
 
+    // Called by the scene when a collision with this object is reported
+    CollisionEventUpdate collisionCollection = null;
     public void Collide(uint collidingWith, ActorTypes type, Vector3 contactPoint, Vector3 contactNormal, float pentrationDepth)
     {
         // m_log.DebugFormat("{0}: Collide: ms={1}, id={2}, with={3}", LogHeader, _subscribedEventsMs, LocalID, collidingWith);
@@ -443,10 +445,24 @@ public class BSCharacter : PhysicsActor
         if (nowTime < (_lastCollisionTime + _subscribedEventsMs)) return;
         _lastCollisionTime = nowTime;
 
-        Dictionary<uint, ContactPoint> contactPoints = new Dictionary<uint, ContactPoint>();
-        contactPoints.Add(collidingWith, new ContactPoint(contactPoint, contactNormal, pentrationDepth));
-        CollisionEventUpdate args = new CollisionEventUpdate(contactPoints);
-        base.SendCollisionUpdate(args);
+        if (collisionCollection == null)
+            collisionCollection = new CollisionEventUpdate();
+        collisionCollection.AddCollider(collidingWith, new ContactPoint(contactPoint, contactNormal, pentrationDepth));
+    }
+
+    public void SendCollisions()
+    {
+        // if (collisionCollection != null)
+        // {
+        //     base.SendCollisionUpdate(collisionCollection);
+        //     collisionCollection = null;
+        // }
+        // Kludge to make a collision call even if there are no collisions.
+        // This causes the avatar animation to get updated.
+        if (collisionCollection == null)
+            collisionCollection = new CollisionEventUpdate();
+        base.SendCollisionUpdate(collisionCollection);
+        collisionCollection = null;
     }
 
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
index f122df9..248d1f2 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
@@ -1326,6 +1326,7 @@ public sealed class BSPrim : PhysicsActor
     }
 
     // I've collided with something
+    CollisionEventUpdate collisionCollection = null;
     public void Collide(uint collidingWith, ActorTypes type, OMV.Vector3 contactPoint, OMV.Vector3 contactNormal, float pentrationDepth)
     {
         // m_log.DebugFormat("{0}: Collide: ms={1}, id={2}, with={3}", LogHeader, _subscribedEventsMs, LocalID, collidingWith);
@@ -1343,11 +1344,18 @@ public sealed class BSPrim : PhysicsActor
         if (nowTime < (_lastCollisionTime + _subscribedEventsMs)) return;
         _lastCollisionTime = nowTime;
 
-        // create the event for the collision
-        Dictionary<uint, ContactPoint> contactPoints = new Dictionary<uint, ContactPoint>();
-        contactPoints.Add(collidingWith, new ContactPoint(contactPoint, contactNormal, pentrationDepth));
-        CollisionEventUpdate args = new CollisionEventUpdate(contactPoints);
-        base.SendCollisionUpdate(args);
+        if (collisionCollection == null)
+            collisionCollection = new CollisionEventUpdate();
+        collisionCollection.AddCollider(collidingWith, new ContactPoint(contactPoint, contactNormal, pentrationDepth));
+    }
+
+    public void SendCollisions()
+    {
+        if (collisionCollection != null)
+        {
+            base.SendCollisionUpdate(collisionCollection);
+            collisionCollection = null;
+        }
     }
 }
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
index 581d540..94a0ccf 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
@@ -78,6 +78,8 @@ public class BSScene : PhysicsScene, IPhysicsParameters
 
     private Dictionary<uint, BSCharacter> m_avatars = new Dictionary<uint, BSCharacter>();
     private Dictionary<uint, BSPrim> m_prims = new Dictionary<uint, BSPrim>();
+    private HashSet<BSCharacter> m_avatarsWithCollisions = new HashSet<BSCharacter>();
+    private HashSet<BSPrim> m_primsWithCollisions = new HashSet<BSPrim>();
     private List<BSPrim> m_vehicles = new List<BSPrim>();
     private float[] m_heightMap;
     private float m_waterLevel;
@@ -435,6 +437,17 @@ public class BSScene : PhysicsScene, IPhysicsParameters
             }
         }
 
+        // The SendCollision's batch up the collisions on the objects. Now push the collisions into the simulator.
+        foreach (BSPrim bsp in m_primsWithCollisions)
+            bsp.SendCollisions();
+        m_primsWithCollisions.Clear();
+        // foreach (BSCharacter bsc in m_avatarsWithCollisions)
+        //     bsc.SendCollisions();
+        // This is a kludge to get avatar movement updated. ODE sends collisions even if there isn't any
+        foreach (KeyValuePair<uint, BSCharacter> kvp in m_avatars)
+            kvp.Value.SendCollisions();
+        m_avatarsWithCollisions.Clear();
+
         // If any of the objects had updated properties, tell the object it has been changed by the physics engine
         if (updatedEntityCount > 0)
         {
@@ -485,11 +498,13 @@ public class BSScene : PhysicsScene, IPhysicsParameters
         BSPrim prim;
         if (m_prims.TryGetValue(localID, out prim)) {
             prim.Collide(collidingWith, type, collidePoint, collideNormal, penitration);
+            m_primsWithCollisions.Add(prim);
             return;
         }
         BSCharacter actor;
         if (m_avatars.TryGetValue(localID, out actor)) {
             actor.Collide(collidingWith, type, collidePoint, collideNormal, penitration);
+            m_avatarsWithCollisions.Add(actor);
             return;
         }
         return;