From b35a1d56818386fc70a4a71e3cd8f6dd6d0e2193 Mon Sep 17 00:00:00 2001
From: Stefan_Boom
Date: Sat, 14 Apr 2012 22:05:16 +0200
Subject: Fixing wrong position of llSensor, SensePoint wasnt following the
 rotation of the root prim.

---
 .../Api/Implementation/Plugins/SensorRepeat.cs     | 30 ++++++++++++++++------
 1 file changed, 22 insertions(+), 8 deletions(-)

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

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
index 1c272f8..57f741c 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
@@ -308,7 +308,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
             }
             SceneObjectPart SensePoint = ts.host;
 
-            Vector3 fromRegionPos = SensePoint.AbsolutePosition;
+            Vector3 fromRegionPos = SensePoint.GetWorldPosition();
 
             // pre define some things to avoid repeated definitions in the loop body
             Vector3 toRegionPos;
@@ -319,14 +319,21 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
             float dy;
             float dz;
 
-            Quaternion q = SensePoint.RotationOffset;
+            Quaternion q = SensePoint.GetWorldRotation();
             if (SensePoint.ParentGroup.IsAttachment)
             {
-                // In attachments, the sensor cone always orients with the
+                // In attachments, rotate the sensor cone with the
                 // avatar rotation. This may include a nonzero elevation if
                 // in mouselook.
+                // This will not include the rotation and position of the
+                // attachment point (e.g. your head when a sensor is in your
+                // hair attached to your scull. Your hair  will turn with
+                // your head but the sensor will stay with your (global)
+                // avatar rotation and position.
+                // Position of a sensor in a child prim attached to an avatar
+                // will be still wrong. 
                 ScenePresence avatar = m_CmdManager.m_ScriptEngine.World.GetScenePresence(SensePoint.ParentGroup.AttachedAvatar);
-                q = avatar.Rotation;
+                q = avatar.Rotation*q;
             }
             LSL_Types.Quaternion r = new LSL_Types.Quaternion(q.X, q.Y, q.Z, q.W);
             LSL_Types.Vector3 forward_dir = (new LSL_Types.Vector3(1, 0, 0) * r);
@@ -439,16 +446,23 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
                 return sensedEntities;
 
             SceneObjectPart SensePoint = ts.host;
-            Vector3 fromRegionPos = SensePoint.AbsolutePosition;
+            Vector3 fromRegionPos = SensePoint.GetWorldPosition();
             
-            Quaternion q = SensePoint.RotationOffset;
+            Quaternion q = SensePoint.GetWorldRotation();
             if (SensePoint.ParentGroup.IsAttachment)
             {
-                // In attachments, the sensor cone always orients with the
+                // In attachments, rotate the sensor cone with the
                 // avatar rotation. This may include a nonzero elevation if
                 // in mouselook.
+                // This will not include the rotation and position of the
+                // attachment point (e.g. your head when a sensor is in your
+                // hair attached to your scull. Your hair  will turn with
+                // your head but the sensor will stay with your (global)
+                // avatar rotation and position.
+                // Position of a sensor in a child prim attached to an avatar
+                // will be still wrong. 
                 ScenePresence avatar = m_CmdManager.m_ScriptEngine.World.GetScenePresence(SensePoint.ParentGroup.AttachedAvatar);
-                q = avatar.Rotation;
+                q = avatar.Rotation*q;
             }
 
             LSL_Types.Quaternion r = new LSL_Types.Quaternion(q.X, q.Y, q.Z, q.W);
-- 
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