Implementation of the llDetectedTouch* functions

OpenSim/Region/Environment/Scenes/EventManager.cs

@@ -92,7 +92,7 @@ namespace OpenSim.Region.Environment.Scenes
 
         public event OnShutdownDelegate OnShutdown;
 
-        public delegate void ObjectGrabDelegate(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient);
+        public delegate void ObjectGrabDelegate(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs);
         public delegate void ObjectDeGrabDelegate(uint localID, uint originalID, IClientAPI remoteClient);
         public delegate void ScriptResetDelegate(uint localID, UUID itemID);
 
@@ -530,12 +530,12 @@ namespace OpenSim.Region.Environment.Scenes
                 handlerShutdown();
         }
 
-        public void TriggerObjectGrab(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient)
+        public void TriggerObjectGrab(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)
         {
             handlerObjectGrab = OnObjectGrab;
             if (handlerObjectGrab != null)
             {
-                handlerObjectGrab(localID, originalID, offsetPos, remoteClient);
+                handlerObjectGrab(localID, originalID, offsetPos, remoteClient, surfaceArgs);
             }
         }
 

OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs

@@ -217,6 +217,10 @@ namespace OpenSim.Region.Environment.Scenes
 
             List<EntityBase> EntityList = GetEntities();
 
+            SurfaceTouchEventArgs surfaceArg = null;
+            if (surfaceArgs != null && surfaceArgs.Count > 0)
+                surfaceArg = surfaceArgs[0];
+
             foreach (EntityBase ent in EntityList)
             {
                 if (ent is SceneObjectGroup)
@@ -236,9 +240,9 @@ namespace OpenSim.Region.Environment.Scenes
                             // If the touched prim handles touches, deliver it
                             // If not, deliver to root prim
                             if ((part.ScriptEvents & scriptEvents.touch_start) != 0)
-                                EventManager.TriggerObjectGrab(part.LocalId, 0, part.OffsetPosition, remoteClient);
+                                EventManager.TriggerObjectGrab(part.LocalId, 0, part.OffsetPosition, remoteClient, surfaceArg);
                             else
-                                EventManager.TriggerObjectGrab(obj.RootPart.LocalId, part.LocalId, part.OffsetPosition, remoteClient);
+                                EventManager.TriggerObjectGrab(obj.RootPart.LocalId, part.LocalId, part.OffsetPosition, remoteClient, surfaceArg);
 
                             return;
                         }

OpenSim/Region/ScriptEngine/DotNetEngine/EventManager.cs

@@ -141,7 +141,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
         }
 
         public void touch_start(uint localID, uint originalID,
-                Vector3 offsetPos, IClientAPI remoteClient)
+                Vector3 offsetPos, IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)
         {
             // Add to queue for all scripts in ObjectID object
             DetectParams[] det = new DetectParams[1];
@@ -165,6 +165,10 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                         myScriptEngine.World.GetSceneObjectPart(originalID);
                 det[0].LinkNum = originalPart.LinkNum;
             }
+            if (surfaceArgs != null)
+            {
+                det[0].SurfaceTouchArgs = surfaceArgs;
+            }
 
             myScriptEngine.PostObjectEvent(localID, new EventParams(
                     "touch_start", new Object[] { new LSL_Types.LSLInteger(1) },

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs

@@ -889,46 +889,76 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return new LSL_Integer(parms.LinkNum);
         }
 
+        /// <summary>
+        /// See http://wiki.secondlife.com/wiki/LlDetectedTouchBinormal for details
+        /// </summary>
         public LSL_Vector llDetectedTouchBinormal(int index)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llDetectedTouchBinormal");
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
+            if (detectedParams == null || detectedParams.TouchBinormal == null)
                 return new LSL_Vector();
+            return detectedParams.TouchBinormal;
         }
 
+        /// <summary>
+        /// See http://wiki.secondlife.com/wiki/LlDetectedTouchFace for details
+        /// </summary>
         public LSL_Integer llDetectedTouchFace(int index)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llDetectedTouchFace");
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
-            return new LSL_Integer(0);
+            if (detectedParams == null || detectedParams.TouchFace == null)
+                return new LSL_Integer(-1);
+            return new LSL_Integer(detectedParams.TouchFace);
         }
 
+        /// <summary>
+        /// See http://wiki.secondlife.com/wiki/LlDetectedTouchNormal for details
+        /// </summary>
         public LSL_Vector llDetectedTouchNormal(int index)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llDetectedTouchNormal");
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
+            if (detectedParams == null || detectedParams.TouchNormal == null)
                 return new LSL_Vector();
+            return detectedParams.TouchNormal;
         }
 
+        /// <summary>
+        /// See http://wiki.secondlife.com/wiki/LlDetectedTouchPos for details
+        /// </summary>
         public LSL_Vector llDetectedTouchPos(int index)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llDetectedTouchPos");
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
+            if (detectedParams == null || detectedParams.TouchPos == null)
                 return new LSL_Vector();
+            return detectedParams.TouchPos;
         }
 
+        /// <summary>
+        /// See http://wiki.secondlife.com/wiki/LlDetectedTouchST for details
+        /// </summary>
         public LSL_Vector llDetectedTouchST(int index)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llDetectedTouchST");
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
-            return new LSL_Vector();
+            if (detectedParams == null || detectedParams.TouchST == null)
+                return new LSL_Vector(-1.0, -1.0, 0.0);
+            return detectedParams.TouchST;
         }
 
+        /// <summary>
+        /// See http://wiki.secondlife.com/wiki/LlDetectedTouchUV for details
+        /// </summary>
         public LSL_Vector llDetectedTouchUV(int index)
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llDetectedTouchUV");
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
-            return new LSL_Vector();
+            if (detectedParams == null || detectedParams.TouchUV == null)
+                return new LSL_Vector(-1.0, -1.0, 0.0);
+            return detectedParams.TouchUV;
         }
 
         public void llDie()

OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs

@@ -494,5 +494,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int CLICK_ACTION_OPEN = 4;
         public const int CLICK_ACTION_PLAY = 5;
         public const int CLICK_ACTION_OPEN_MEDIA = 6;
+
+        // constants for the llDetectedTouch* functions
+        public const int TOUCH_INVALID_FACE = -1;
+        public static readonly vector TOUCH_INVALID_TEXCOORD = new vector(-1.0, -1.0, 0.0);
+        public static readonly vector TOUCH_INVALID_VECTOR = ZERO_VECTOR;
     }
 }

OpenSim/Region/ScriptEngine/Shared/Helpers.cs

@@ -80,6 +80,7 @@ namespace OpenSim.Region.ScriptEngine.Shared
             Rotation = new LSL_Types.Quaternion();
             Type = 0;
             Velocity = new LSL_Types.Vector3();
+            initializeSurfaceTouch();
         }
 
         public UUID Key;
@@ -93,6 +94,61 @@ namespace OpenSim.Region.ScriptEngine.Shared
         public int Type;
         public LSL_Types.Vector3 Velocity;
 
+        private LSL_Types.Vector3 touchST;
+        public LSL_Types.Vector3 TouchST { get { return touchST; } }
+
+        private LSL_Types.Vector3 touchNormal;
+        public LSL_Types.Vector3 TouchNormal { get { return touchNormal; } }
+
+        private LSL_Types.Vector3 touchBinormal;
+        public LSL_Types.Vector3 TouchBinormal { get { return touchBinormal; } }
+
+        private LSL_Types.Vector3 touchPos;
+        public LSL_Types.Vector3 TouchPos { get { return touchPos; } }
+
+        private LSL_Types.Vector3 touchUV;
+        public LSL_Types.Vector3 TouchUV { get { return touchUV; } }
+
+        private int touchFace;
+        public int TouchFace { get { return touchFace; } }
+
+        // This can be done in two places including the constructor
+        // so be carefull what gets added here
+        private void initializeSurfaceTouch()
+        {
+            touchST = new LSL_Types.Vector3(-1.0, -1.0, 0.0);
+            touchNormal = new LSL_Types.Vector3();
+            touchBinormal = new LSL_Types.Vector3();
+            touchPos = new LSL_Types.Vector3();
+            touchUV = new LSL_Types.Vector3(-1.0, -1.0, 0.0);
+            touchFace = -1;
+        }
+
+        /*
+         * Set up the surface touch detected values
+         */
+        public SurfaceTouchEventArgs SurfaceTouchArgs
+        {
+            set
+            {
+                if (value == null)
+                {
+                    // Initialise to defaults if no value
+                    initializeSurfaceTouch();
+                }
+                else
+                {
+                    // Set the values from the touch data provided by the client
+                    touchST = new LSL_Types.Vector3(value.STCoord.X, value.STCoord.Y, value.STCoord.Z);
+                    touchUV = new LSL_Types.Vector3(value.UVCoord.X, value.UVCoord.Y, value.UVCoord.Z);
+                    touchNormal = new LSL_Types.Vector3(value.Normal.X, value.Normal.Y, value.Normal.Z);
+                    touchBinormal = new LSL_Types.Vector3(value.Binormal.X, value.Binormal.Y, value.Binormal.Z);
+                    touchPos = new LSL_Types.Vector3(value.Position.X, value.Position.Y, value.Position.Z);
+                    touchFace = value.FaceIndex;
+                }
+            }
+        }
+
         public void Populate(Scene scene)
         {
             SceneObjectPart part = scene.GetSceneObjectPart(Key);

OpenSim/Region/ScriptEngine/XEngine/EventManager.cs

@@ -80,7 +80,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         }
 
         public void touch_start(uint localID, uint originalID, Vector3 offsetPos,
-                IClientAPI remoteClient)
+                IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)
         {
             // Add to queue for all scripts in ObjectID object
             DetectParams[] det = new DetectParams[1];
@@ -102,6 +102,11 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 det[0].LinkNum = originalPart.LinkNum;
             }
 
+            if (surfaceArgs != null)
+            {
+                det[0].SurfaceTouchArgs = surfaceArgs;
+            }
+
             myScriptEngine.PostObjectEvent(localID, new EventParams(
                     "touch_start", new Object[] { new LSL_Types.LSLInteger(1) },
                     det));

OpenSim/ScriptEngine/Components/DotNetEngine/Events/LSLEventProvider.cs

@@ -84,7 +84,7 @@ namespace OpenSim.ScriptEngine.Components.DotNetEngine.Events
                 RezScript(localID, itemID, script, startParam, postOnRez, engine);
         }
 
-        private void OnObjectGrab(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient)
+        private void OnObjectGrab(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)
         {
             // Add to queue for all scripts in ObjectID object
             DetectParams[] det = new DetectParams[1];
@@ -108,7 +108,10 @@ namespace OpenSim.ScriptEngine.Components.DotNetEngine.Events
                         CurrentRegion.Scene.GetSceneObjectPart(originalID);
                 det[0].LinkNum = originalPart.LinkNum;
             }
-
+            if (surfaceArgs != null)
+            {
+                det[0].SurfaceTouchArgs = surfaceArgs;
+            }
             Shared.EventParams ep =
                 new Shared.EventParams(localID, "touch_start", new Object[] {new LSL_Types.LSLInteger(1)}, det);
             CurrentRegion.Executors_Execute(ep);