From 0b9f4d7e749a14c556d7f8a4ea64c54625cf58dc Mon Sep 17 00:00:00 2001
From: PixelTomsen
Date: Wed, 22 Feb 2012 20:15:42 +0100
Subject: llLinkSitTarget implementation
 http://wiki.secondlife.com/wiki/LlLinkSitTarget

---
 .../Shared/Api/Implementation/LSL_Api.cs           | 32 ++++++++++++++++++----
 .../ScriptEngine/Shared/Api/Interface/ILSL_Api.cs  |  1 +
 .../ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs    |  5 ++++
 3 files changed, 33 insertions(+), 5 deletions(-)

(limited to 'OpenSim/Region/ScriptEngine/Shared/Api')

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 61a6907..2eba2b1 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -6376,16 +6376,38 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
         }
 
-        public void llSitTarget(LSL_Vector offset, LSL_Rotation rot)
+        protected void SitTarget(SceneObjectPart part, LSL_Vector offset, LSL_Rotation rot)
         {
-            m_host.AddScriptLPS(1);
             // LSL quaternions can normalize to 0, normal Quaternions can't.
             if (rot.s == 0 && rot.x == 0 && rot.y == 0 && rot.z == 0)
                 rot.z = 1; // ZERO_ROTATION = 0,0,0,1
 
-            m_host.SitTargetPosition = new Vector3((float)offset.x, (float)offset.y, (float)offset.z);
-            m_host.SitTargetOrientation = Rot2Quaternion(rot);
-            m_host.ParentGroup.HasGroupChanged = true;
+            part.SitTargetPosition = new Vector3((float)offset.x, (float)offset.y, (float)offset.z);
+            part.SitTargetOrientation = Rot2Quaternion(rot);
+            part.ParentGroup.HasGroupChanged = true;
+        }
+
+        public void llSitTarget(LSL_Vector offset, LSL_Rotation rot)
+        {
+            m_host.AddScriptLPS(1);
+            SitTarget(m_host, offset, rot);
+        }
+
+        public void llLinkSitTarget(LSL_Integer link, LSL_Vector offset, LSL_Rotation rot)
+        {
+            m_host.AddScriptLPS(1);
+            if (link == ScriptBaseClass.LINK_ROOT)
+                SitTarget(m_host.ParentGroup.RootPart, offset, rot);
+            else if (link == ScriptBaseClass.LINK_THIS)
+                SitTarget(m_host, offset, rot);
+            else
+            {
+                SceneObjectPart part = m_host.ParentGroup.GetLinkNumPart(link);
+                if (null != part)
+                {
+                    SitTarget(part, offset, rot);
+                }
+            }
         }
 
         public LSL_String llAvatarOnSitTarget()
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
index 6106a65..7d39ccc 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
@@ -218,6 +218,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         LSL_String llGetDisplayName(string id);
         LSL_String llRequestDisplayName(string id);
         void llLinkParticleSystem(int linknum, LSL_List rules);
+        void llLinkSitTarget(LSL_Integer link, LSL_Vector offset, LSL_Rotation rot);
         LSL_String llList2CSV(LSL_List src);
          LSL_Float llList2Float(LSL_List src, int index);
        LSL_Integer llList2Integer(LSL_List src, int index);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
index 83550a5..24c3d95 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
@@ -1688,6 +1688,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             m_LSL_Functions.llSitTarget(offset, rot);
         }
 
+        public void llLinkSitTarget(LSL_Integer link, LSL_Vector offset, LSL_Rotation rot)
+        {
+            m_LSL_Functions.llLinkSitTarget(link, offset, rot);
+        }
+
         public void llSleep(double sec)
         {
             m_LSL_Functions.llSleep(sec);
-- 
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