Implementation of the llDetectedTouch* functions

3 files changed, 104 insertions, 13 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 7a7c8d6..f98a9bb 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/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");
-            return new LSL_Vector();
+            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");
-            return new LSL_Integer(0);
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
+            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");
-            return new LSL_Vector();
+            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");
-            return new LSL_Vector();
+            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");
-            return new LSL_Vector();
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
+            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");
-            return new LSL_Vector();
+            DetectParams detectedParams = m_ScriptEngine.GetDetectParams(m_itemID, index);
+            if (detectedParams == null || detectedParams.TouchUV == null)
+                return new LSL_Vector(-1.0, -1.0, 0.0);
+            return detectedParams.TouchUV;
         }
 
         public void llDie()
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index e087ea2..b97ec99 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/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;
     }
 }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Helpers.cs b/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
index a061fde..b9ff0cd 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Helpers.cs
+++ b/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);
@@ -177,4 +233,4 @@ namespace OpenSim.Region.ScriptEngine.Shared
         public Object[] Params;
         public DetectParams[] DetectParams;
     }
-}
\ No newline at end of file
+}