Fix GetWorldRotation(), and a host of related Sit fixes.

2 files changed, 38 insertions, 37 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 778e384..4495eda 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -1775,7 +1775,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             Quaternion newRot;
 
-            if (this.LinkNum == 0)
+            if (this.LinkNum < 2)                       //KF Single or root prim
             {
                 newRot = RotationOffset;
             }
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index c67463a..865f649 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1661,14 +1661,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 // Rotation  is the sittiing Av's rotation
 
                         Quaternion partRot;
-                    if (part.LinkNum == 1)
-                    {                           // Root prim of linkset
-                        partRot = part.ParentGroup.RootPart.RotationOffset;
-                    }
-                    else
-                    {                           // single or child prim
+//                  if (part.LinkNum == 1)
+//                  {                           // Root prim of linkset
+//                      partRot = part.ParentGroup.RootPart.RotationOffset;
+//                  }
+//                  else
+//                  {                           // single or child prim
                         partRot = part.GetWorldRotation();
-                    }                       
+//                  }                       
                     Quaternion partIRot = Quaternion.Inverse(partRot);
 
                                 Quaternion avatarRot = Quaternion.Inverse(Quaternion.Inverse(Rotation) * partIRot); // world or. of the av
@@ -1763,14 +1763,14 @@ namespace OpenSim.Region.Framework.Scenes
             bool SitTargetisSet = (Vector3.Zero != avSitOffSet);                //NB Latest SL Spec shows Sit Rotation setting is ignored.
    //           Quaternion partIRot = Quaternion.Inverse(part.GetWorldRotation());
                 Quaternion partRot;
-            if (part.LinkNum == 1)
-            {                           // Root prim of linkset
-                partRot = part.ParentGroup.RootPart.RotationOffset;
-            }
-            else
-            {                           // single or child prim
+//            if (part.LinkNum == 1)
+//            {                         // Root prim of linkset
+//                partRot = part.ParentGroup.RootPart.RotationOffset;
+//            }
+//            else
+//            {                         // single or child prim
                 partRot = part.GetWorldRotation();
-            }                       
+//            }                       
                 Quaternion partIRot = Quaternion.Inverse(partRot);
 //Console.WriteLine("SendSitResponse offset=" + offset + "  Occup=" + part.IsOccupied + "    TargSet=" + SitTargetisSet);
                         // Sit analysis rewritten by KF 091125 
@@ -1846,15 +1846,15 @@ namespace OpenSim.Region.Framework.Scenes
                         Vector3 offsetr; // = offset * partIRot;        
                         // KF: In a linkset, offsetr needs to be relative to the group root!  091208    
         //              offsetr = (part.OffsetPosition * Quaternion.Inverse(part.ParentGroup.RootPart.RotationOffset)) + (offset * partIRot);
-            if (part.LinkNum < 2)
-            {                           // Single, or Root prim of linkset, target is ClickOffset * RootRot
+ //           if (part.LinkNum < 2)    091216 All this was necessary because of the GetWorldRotation error.
+  //          {                         // Single, or Root prim of linkset, target is ClickOffset * RootRot
                 offsetr = offset * partIRot;
-            }
-            else
-            {   // Child prim, offset is (ChildOffset * RootRot) + (ClickOffset * ChildRot)
-                offsetr = //(part.OffsetPosition * Quaternion.Inverse(part.ParentGroup.RootPart.RotationOffset)) +      
-                                        (offset * partRot);
-            }
+//
+  //          else
+    //        { // Child prim, offset is (ChildOffset * RootRot) + (ClickOffset * ChildRot)
+        //      offsetr = //(part.OffsetPosition * Quaternion.Inverse(part.ParentGroup.RootPart.RotationOffset)) +      
+      //                                (offset * partRot);
+    //        }
 
 //Console.WriteLine(" ");
 //Console.WriteLine("link number ={0}", part.LinkNum);          
@@ -2170,6 +2170,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (part != null)
                 {
+//Console.WriteLine("Link #{0}, Rot {1}", part.LinkNum, part.GetWorldRotation());                
                     if (part.GetAvatarOnSitTarget() == UUID)
                     {
 //Console.WriteLine("Scripted Sit");
@@ -2190,14 +2191,14 @@ namespace OpenSim.Region.Framework.Scenes
                         // Non-scripted sit by Kitto Flora 21Nov09
                         // Calculate angle of line from prim to Av
                         Quaternion partIRot;
-                        if (part.LinkNum == 1)
-                        {                               // Root prim of linkset
-                                partIRot = Quaternion.Inverse(part.ParentGroup.RootPart.RotationOffset);
-                        }
-                        else
-                        {                               // single or child prim
+//                      if (part.LinkNum == 1)
+//                      {                               // Root prim of linkset
+//                              partIRot = Quaternion.Inverse(part.ParentGroup.RootPart.RotationOffset);
+//                      }
+//                      else
+//                      {                               // single or child prim
                                 partIRot = Quaternion.Inverse(part.GetWorldRotation());
-                        }
+//                      }
                         Vector3 sitTargetPos= part.AbsolutePosition + m_avUnscriptedSitPos;
                                 float y_diff = (m_avInitialPos.Y - sitTargetPos.Y);
                         float x_diff = ( m_avInitialPos.X - sitTargetPos.X);
@@ -2253,14 +2254,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 // collisionPoint.Z = global sit surface height
                                 SceneObjectPart part = m_scene.GetSceneObjectPart(localid);
                                 Quaternion partIRot;
-                    if (part.LinkNum == 1)
-                {                               // Root prim of linkset
-                    partIRot = Quaternion.Inverse(part.ParentGroup.RootPart.RotationOffset);
-                }
-                else
-                {                               // single or child prim
+//                  if (part.LinkNum == 1)
+///             {                               // Root prim of linkset
+//                  partIRot = Quaternion.Inverse(part.ParentGroup.RootPart.RotationOffset);
+//              }
+//              else
+//              {                               // single or child prim
                     partIRot = Quaternion.Inverse(part.GetWorldRotation());
-                }                       
+//              }                       
                                 float offZ = collisionPoint.Z - m_initialSitTarget.Z;
                                 Vector3 offset = new Vector3(0.0f, 0.0f, offZ) * partIRot; // Altitude correction
 //Console.WriteLine("sitPoint={0},  offset={1}",  sitPoint,  offset);