From 61bf2bf2ddce323255d7d009274d8da5a2da54c9 Mon Sep 17 00:00:00 2001
From: Melanie <melanie@t-data.com>
Date: Thu, 2 Jun 2011 18:32:25 +0200
Subject: [PATCH] Make Buoyancy a prim property

---
 .../Framework/Scenes/SceneObjectGroup.cs      |  3 ++
 .../Framework/Scenes/SceneObjectPart.cs       | 22 +++++---
 .../Shared/Api/Implementation/LSL_Api.cs      | 53 ++++++++++++-------
 3 files changed, 52 insertions(+), 26 deletions(-)

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index d3d5d0821c..74d24a6884 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -680,6 +680,9 @@ namespace OpenSim.Region.Framework.Scenes
             
             ApplyPhysics(m_scene.m_physicalPrim);
 
+            if (RootPart.PhysActor != null)
+                RootPart.Buoyancy = RootPart.Buoyancy;
+
             // Don't trigger the update here - otherwise some client issues occur when multiple updates are scheduled
             // for the same object with very different properties.  The caller must schedule the update.
             //ScheduleGroupForFullUpdate();
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 4e1d6b685d..cb321aa36b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -338,6 +338,7 @@ namespace OpenSim.Region.Framework.Scenes
         protected Vector3 m_lastAcceleration;
         protected Vector3 m_lastAngularVelocity;
         protected int m_lastTerseSent;
+        protected float m_buoyancy = 0.0f;
         
         /// <summary>
         /// Stores media texture data
@@ -1335,6 +1336,19 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_collisionSoundVolume = value; }
         }
 
+        public float Buoyancy
+        {
+            get { return m_buoyancy; }
+            set
+            {
+                m_buoyancy = value;
+                if (PhysActor != null)
+                {
+                    PhysActor.Buoyancy = value;
+                }
+            }
+        }
+
         #endregion Public Properties with only Get
 
         #region Private Methods
@@ -3275,14 +3289,6 @@ namespace OpenSim.Region.Framework.Scenes
                 STATUS_ROTATE_Z = rotate;
         }
 
-        public void SetBuoyancy(float fvalue)
-        {
-            if (PhysActor != null)
-            {
-                PhysActor.Buoyancy = fvalue;
-            }
-        }
-
         public void SetDieAtEdge(bool p)
         {
             if (m_parentGroup == null)
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index f7c44d1914..b87bf5a648 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3453,7 +3453,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             {
                 if (!m_host.ParentGroup.IsDeleted)
                 {
-                    m_host.ParentGroup.RootPart.SetBuoyancy((float)buoyancy);
+                    m_host.ParentGroup.RootPart.Buoyancy = (float)buoyancy;
                 }
             }
         }
@@ -3707,27 +3707,44 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
                 }
             }
-            else if (m_host.SitTargetAvatar == agentID) // Sitting avatar
+            else
             {
-                // When agent is sitting, certain permissions are implicit if requested from sitting agent
-                int implicitPerms = ScriptBaseClass.PERMISSION_TRIGGER_ANIMATION |
-                    ScriptBaseClass.PERMISSION_CONTROL_CAMERA |
-                    ScriptBaseClass.PERMISSION_TRACK_CAMERA |
-                    ScriptBaseClass.PERMISSION_TAKE_CONTROLS;
-
-                if ((perm & (~implicitPerms)) == 0) // Requested only implicit perms
+                bool sitting = false;
+                if (m_host.SitTargetAvatar == agentID)
                 {
-                    m_host.TaskInventory.LockItemsForWrite(true);
-                    m_host.TaskInventory[invItemID].PermsGranter = agentID;
-                    m_host.TaskInventory[invItemID].PermsMask = perm;
-                    m_host.TaskInventory.LockItemsForWrite(false);
+                    sitting = true;
+                }
+                else
+                {
+                    foreach (SceneObjectPart p in m_host.ParentGroup.Parts)
+                    {
+                        if (p.SitTargetAvatar == agentID)
+                            sitting = true;
+                    }
+                }
 
-                    m_ScriptEngine.PostScriptEvent(m_itemID, new EventParams(
-                            "run_time_permissions", new Object[] {
-                            new LSL_Integer(perm) },
-                            new DetectParams[0]));
+                if (sitting)
+                {
+                    // When agent is sitting, certain permissions are implicit if requested from sitting agent
+                    int implicitPerms = ScriptBaseClass.PERMISSION_TRIGGER_ANIMATION |
+                        ScriptBaseClass.PERMISSION_CONTROL_CAMERA |
+                        ScriptBaseClass.PERMISSION_TRACK_CAMERA |
+                        ScriptBaseClass.PERMISSION_TAKE_CONTROLS;
 
-                    return;
+                    if ((perm & (~implicitPerms)) == 0) // Requested only implicit perms
+                    {
+                        m_host.TaskInventory.LockItemsForWrite(true);
+                        m_host.TaskInventory[invItemID].PermsGranter = agentID;
+                        m_host.TaskInventory[invItemID].PermsMask = perm;
+                        m_host.TaskInventory.LockItemsForWrite(false);
+
+                        m_ScriptEngine.PostScriptEvent(m_itemID, new EventParams(
+                                "run_time_permissions", new Object[] {
+                                new LSL_Integer(perm) },
+                                new DetectParams[0]));
+
+                        return;
+                    }
                 }
             }