Import plumbing from Halcyon for camera data to physics engine.

Signed-off-by: UbitUmarov <ajlduarte@sapo.pt>

2 files changed, 70 insertions, 7 deletions

diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index db21dba..878381d 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -5429,10 +5429,23 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        CameraData physActor_OnPhysicsRequestingCameraData()
+        {
+            return new CameraData
+            {
+                Valid = true,
+                CameraPosition = this.CameraPosition,
+                CameraRotation = this.CameraRotation,
+                MouseLook = this.m_mouseLook,
+                HeadRotation = this.m_headrotation,
+                BodyRotation = this.m_bodyRot
+            };
+        }
+
         public void RegisterControlEventsToScript(int controls, int accept, int pass_on, uint Obj_localID, UUID Script_item_UUID)
         {
-            SceneObjectPart p = m_scene.GetSceneObjectPart(Obj_localID);
-            if (p == null)
+            SceneObjectPart part = m_scene.GetSceneObjectPart(Obj_localID);
+            if (part == null)
                 return;
 
             ControllingClient.SendTakeControls(controls, false, false);
@@ -5442,7 +5455,7 @@ namespace OpenSim.Region.Framework.Scenes
             obj.ignoreControls = ScriptControlled.CONTROL_ZERO;
             obj.eventControls = ScriptControlled.CONTROL_ZERO;
 
-            obj.objectID = p.ParentGroup.UUID;
+            obj.objectID = part.ParentGroup.UUID;
             obj.itemID = Script_item_UUID;
             if (pass_on == 0 && accept == 0)
             {
@@ -5470,17 +5483,43 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     IgnoredControls &= ~(ScriptControlled)controls;
                     if (scriptedcontrols.ContainsKey(Script_item_UUID))
-                        scriptedcontrols.Remove(Script_item_UUID);
+                        RemoveScriptFromControlNotifications(Script_item_UUID, part);
                 }
                 else
                 {
-                    scriptedcontrols[Script_item_UUID] = obj;
+                    AddScriptToControlNotifications(Script_item_UUID, part, ref obj);
                 }
             }
 
             ControllingClient.SendTakeControls(controls, pass_on == 1 ? true : false, true);
         }
 
+        private void AddScriptToControlNotifications(OpenMetaverse.UUID Script_item_UUID, SceneObjectPart part, ref ScriptControllers obj)
+        {
+            scriptedcontrols[Script_item_UUID] = obj;
+
+            PhysicsActor physActor = part.ParentGroup.RootPart.PhysActor;
+            if (physActor != null)
+            {
+                physActor.OnPhysicsRequestingCameraData -= physActor_OnPhysicsRequestingCameraData;
+                physActor.OnPhysicsRequestingCameraData += physActor_OnPhysicsRequestingCameraData;
+            }
+        }
+
+        private void RemoveScriptFromControlNotifications(OpenMetaverse.UUID Script_item_UUID, SceneObjectPart part)
+        {
+            scriptedcontrols.Remove(Script_item_UUID);
+
+            if (part != null)
+            {
+                PhysicsActor physActor = part.ParentGroup.RootPart.PhysActor;
+                if (physActor != null)
+                {
+                    physActor.OnPhysicsRequestingCameraData -= physActor_OnPhysicsRequestingCameraData;
+                }
+            }
+        }
+
         public void HandleForceReleaseControls(IClientAPI remoteClient, UUID agentID)
         {
             IgnoredControls = ScriptControlled.CONTROL_ZERO;
@@ -5518,6 +5557,7 @@ namespace OpenSim.Region.Framework.Scenes
         public void UnRegisterControlEventsToScript(uint Obj_localID, UUID Script_item_UUID)
         {
             ScriptControllers takecontrols;
+            SceneObjectPart part = m_scene.GetSceneObjectPart(Obj_localID);
 
             lock (scriptedcontrols)
             {
@@ -5528,7 +5568,7 @@ namespace OpenSim.Region.Framework.Scenes
                     ControllingClient.SendTakeControls((int)sctc, false, false);
                     ControllingClient.SendTakeControls((int)sctc, true, false);
 
-                    scriptedcontrols.Remove(Script_item_UUID);
+                    RemoveScriptFromControlNotifications(Script_item_UUID, part);
                     IgnoredControls = ScriptControlled.CONTROL_ZERO;
                     foreach (ScriptControllers scData in scriptedcontrols.Values)
                     {
diff --git a/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs b/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs
index 04ccbf0..f140e09 100644
--- a/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs
+++ b/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs
@@ -55,6 +55,16 @@ namespace OpenSim.Region.PhysicsModules.SharedBase
         Absolute
     }
 
+    public struct CameraData
+    {
+        public Quaternion CameraRotation;
+        public Vector3 CameraPosition;
+        public bool MouseLook;
+        public bool Valid;
+        public Quaternion HeadRotation;
+        public Quaternion BodyRotation;
+    }
+
     public struct ContactPoint
     {
         public Vector3 Position;
@@ -159,13 +169,15 @@ namespace OpenSim.Region.PhysicsModules.SharedBase
         public delegate void RequestTerseUpdate();
         public delegate void CollisionUpdate(EventArgs e);
         public delegate void OutOfBounds(Vector3 pos);
+        public delegate CameraData GetCameraData();
 
-// disable warning: public events
+        // disable warning: public events
 #pragma warning disable 67
         public event PositionUpdate OnPositionUpdate;
         public event VelocityUpdate OnVelocityUpdate;
         public event OrientationUpdate OnOrientationUpdate;
         public event RequestTerseUpdate OnRequestTerseUpdate;
+        public event GetCameraData OnPhysicsRequestingCameraData;
 
         /// <summary>
         /// Subscribers to this event must synchronously handle the dictionary of collisions received, since the event
@@ -176,6 +188,17 @@ namespace OpenSim.Region.PhysicsModules.SharedBase
         public event OutOfBounds OnOutOfBounds;
 #pragma warning restore 67
 
+        public CameraData TryGetCameraData()
+        {
+            GetCameraData handler = OnPhysicsRequestingCameraData;
+            if (handler != null)
+            {
+                return handler();
+            }
+
+            return new CameraData { Valid = false };
+        }
+
         public static PhysicsActor Null
         {
             get { return new NullPhysicsActor(); }