From 18c959df12983256d73240a86fa0bad12c4e36ce Mon Sep 17 00:00:00 2001
From: Teravus Ovares
Date: Thu, 17 Jan 2008 14:59:05 +0000
Subject: * Added llApplyImpulse in the global frame.  The object must be
 physical before this'll do anything. Be careful with this function as it's
 easy to loose prim.

---
 OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs | 10 ++++++++++
 OpenSim/Region/Environment/Scenes/SceneObjectPart.cs  | 15 +++++++++++++++
 2 files changed, 25 insertions(+)

(limited to 'OpenSim/Region/Environment/Scenes')

diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
index 6447403..5790591 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
@@ -578,6 +578,16 @@ namespace OpenSim.Region.Environment.Scenes
             SetPartAsRoot(newPart);
         }
 
+        public void applyImpulse(PhysicsVector impulse)
+        {
+            SceneObjectPart rootpart = m_rootPart;
+            if (m_rootPart.PhysActor != null)
+            {
+                m_rootPart.PhysActor.AddForce(impulse);
+                m_scene.PhysicsScene.AddPhysicsActorTaint(m_rootPart.PhysActor);
+            }
+        }
+
         public void SetRootPartOwner(SceneObjectPart part, LLUUID cAgentID, LLUUID cGroupID)
         {
             part.LastOwnerID = part.OwnerID;
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
index 0cb4ae7..ce38bee 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
@@ -520,6 +520,21 @@ namespace OpenSim.Region.Environment.Scenes
 
         protected PrimitiveBaseShape m_shape;
 
+        /// <summary>
+        /// hook to the physics scene to apply impulse
+        /// This is sent up to the group, which then finds the root prim
+        /// and applies the force on the root prim of the group
+        /// </summary>
+        /// <param name="impulse">Vector force</param>
+        public void ApplyImpulse(LLVector3 impulsei)
+        {
+            PhysicsVector impulse = new PhysicsVector(impulsei.X, impulsei.Y, impulsei.Z);
+            if (m_parentGroup != null)
+            {
+                m_parentGroup.applyImpulse(impulse);
+            }
+        }
+
         public void TriggerScriptChangedEvent(Changed val)
         {
             if (m_parentGroup != null)
-- 
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