5 files changed, 155 insertions, 26 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 0e5ddfd..d2d6aba 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -103,8 +103,26 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public bool CollidablePrims { get; private set; }
 
+        /// <summary>
+        /// Minimum value of the size of a non-physical prim in each axis
+        /// </summary>
+        public float m_minNonphys = 0.01f;
+
+        /// <summary>
+        /// Maximum value of the size of a non-physical prim in each axis
+        /// </summary>
         public float m_maxNonphys = 256;
+
+        /// <summary>
+        /// Minimum value of the size of a physical prim in each axis
+        /// </summary>
+        public float m_minPhys = 0.01f;
+
+        /// <summary>
+        /// Maximum value of the size of a physical prim in each axis
+        /// </summary>
         public float m_maxPhys = 10;
+
         public bool m_clampPrimSize;
         public bool m_trustBinaries;
         public bool m_allowScriptCrossings;
@@ -721,14 +739,25 @@ namespace OpenSim.Region.Framework.Scenes
                 PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
                 CollidablePrims = startupConfig.GetBoolean("collidable_prim", CollidablePrims);
 
+                m_minNonphys = startupConfig.GetFloat("NonphysicalPrimMin", m_minNonphys);
+                if (RegionInfo.NonphysPrimMin > 0)
+                {
+                    m_minNonphys = RegionInfo.NonphysPrimMin;
+                }
+
                 m_maxNonphys = startupConfig.GetFloat("NonphysicalPrimMax", m_maxNonphys);
                 if (RegionInfo.NonphysPrimMax > 0)
                 {
                     m_maxNonphys = RegionInfo.NonphysPrimMax;
                 }
 
-                m_maxPhys = startupConfig.GetFloat("PhysicalPrimMax", m_maxPhys);
+                m_minPhys = startupConfig.GetFloat("PhysicalPrimMin", m_minPhys);
+                if (RegionInfo.PhysPrimMin > 0)
+                {
+                    m_minPhys = RegionInfo.PhysPrimMin;
+                }
 
+                m_maxPhys = startupConfig.GetFloat("PhysicalPrimMax", m_maxPhys);
                 if (RegionInfo.PhysPrimMax > 0)
                 {
                     m_maxPhys = RegionInfo.PhysPrimMax;
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 13842ad..b6339fb 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -375,12 +375,9 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     Vector3 scale = part.Shape.Scale;
 
-                    if (scale.X > m_parentScene.m_maxNonphys)
-                        scale.X = m_parentScene.m_maxNonphys;
-                    if (scale.Y > m_parentScene.m_maxNonphys)
-                        scale.Y = m_parentScene.m_maxNonphys;
-                    if (scale.Z > m_parentScene.m_maxNonphys)
-                        scale.Z = m_parentScene.m_maxNonphys;
+                    scale.X = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.X));
+                    scale.Y = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.Y));
+                    scale.Z = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.Z));
 
                     part.Shape.Scale = scale;
                 }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 5f90035..f6c725b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2674,17 +2674,17 @@ namespace OpenSim.Region.Framework.Scenes
 
             RootPart.StoreUndoState(true);
 
-            scale.X = Math.Min(scale.X, Scene.m_maxNonphys);
-            scale.Y = Math.Min(scale.Y, Scene.m_maxNonphys);
-            scale.Z = Math.Min(scale.Z, Scene.m_maxNonphys);
+            scale.X = Math.Max(Scene.m_minNonphys, Math.Min(Scene.m_maxNonphys, scale.X));
+            scale.Y = Math.Max(Scene.m_minNonphys, Math.Min(Scene.m_maxNonphys, scale.Y));
+            scale.Z = Math.Max(Scene.m_minNonphys, Math.Min(Scene.m_maxNonphys, scale.Z));
 
             PhysicsActor pa = m_rootPart.PhysActor;
 
             if (pa != null && pa.IsPhysical)
             {
-                scale.X = Math.Min(scale.X, Scene.m_maxPhys);
-                scale.Y = Math.Min(scale.Y, Scene.m_maxPhys);
-                scale.Z = Math.Min(scale.Z, Scene.m_maxPhys);
+                scale.X = Math.Max(Scene.m_minPhys, Math.Min(Scene.m_maxPhys, scale.X));
+                scale.Y = Math.Max(Scene.m_minPhys, Math.Min(Scene.m_maxPhys, scale.Y));
+                scale.Z = Math.Max(Scene.m_minPhys, Math.Min(Scene.m_maxPhys, scale.Z));
             }
 
             float x = (scale.X / RootPart.Scale.X);
@@ -2716,6 +2716,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.X * x < m_scene.m_minPhys)
+                            {
+                                f = m_scene.m_minPhys / oldSize.X;
+                                a = f / x;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Y * y > m_scene.m_maxPhys)
                             {
@@ -2725,6 +2733,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Y * y < m_scene.m_minPhys)
+                            {
+                                f = m_scene.m_minPhys / oldSize.Y;
+                                a = f / y;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Z * z > m_scene.m_maxPhys)
                             {
@@ -2734,6 +2750,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Z * z < m_scene.m_minPhys)
+                            {
+                                f = m_scene.m_minPhys / oldSize.Z;
+                                a = f / z;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
                         }
                         else
                         {
@@ -2745,6 +2769,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.X * x < m_scene.m_minNonphys)
+                            {
+                                f = m_scene.m_minNonphys / oldSize.X;
+                                a = f / x;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Y * y > m_scene.m_maxNonphys)
                             {
@@ -2754,6 +2786,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Y * y < m_scene.m_minNonphys)
+                            {
+                                f = m_scene.m_minNonphys / oldSize.Y;
+                                a = f / y;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
 
                             if (oldSize.Z * z > m_scene.m_maxNonphys)
                             {
@@ -2763,6 +2803,14 @@ namespace OpenSim.Region.Framework.Scenes
                                 y *= a;
                                 z *= a;
                             }
+                            else if (oldSize.Z * z < m_scene.m_minNonphys)
+                            {
+                                f = m_scene.m_minNonphys / oldSize.Z;
+                                a = f / z;
+                                x *= a;
+                                y *= a;
+                                z *= a;
+                            }
                         }
 
 //                        obPart.IgnoreUndoUpdate = false;
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 4c87639..53b4f7e 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -733,7 +733,7 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                     catch (Exception e)
                     {
-                        m_log.Error("[SCENEOBJECTPART]: GROUP POSITION. " + e.Message);
+                        m_log.ErrorFormat("[SCENEOBJECTPART]: GROUP POSITION. {0}", e);
                     }
                 }
                 
@@ -2368,17 +2368,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="scale"></param>
         public void Resize(Vector3 scale)
         {
-            scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxNonphys);
-            scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxNonphys);
-            scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxNonphys);
+            scale.X = Math.Max(ParentGroup.Scene.m_minNonphys, Math.Min(ParentGroup.Scene.m_maxNonphys, scale.X));
+            scale.Y = Math.Max(ParentGroup.Scene.m_minNonphys, Math.Min(ParentGroup.Scene.m_maxNonphys, scale.Y));
+            scale.Z = Math.Max(ParentGroup.Scene.m_minNonphys, Math.Min(ParentGroup.Scene.m_maxNonphys, scale.Z));
 
             PhysicsActor pa = PhysActor;
-
             if (pa != null && pa.IsPhysical)
             {
-                scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxPhys);
-                scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxPhys);
-                scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxPhys);
+                scale.X = Math.Max(ParentGroup.Scene.m_minPhys, Math.Min(ParentGroup.Scene.m_maxPhys, scale.X));
+                scale.Y = Math.Max(ParentGroup.Scene.m_minPhys, Math.Min(ParentGroup.Scene.m_maxPhys, scale.Y));
+                scale.Z = Math.Max(ParentGroup.Scene.m_minPhys, Math.Min(ParentGroup.Scene.m_maxPhys, scale.Z));
             }
 
 //            m_log.DebugFormat("[SCENE OBJECT PART]: Resizing {0} {1} to {2}", Name, LocalId, scale);
@@ -4237,6 +4236,57 @@ namespace OpenSim.Region.Framework.Scenes
             ScheduleFullUpdate();
         }
 
+        public void UpdateSlice(float begin, float end)
+        {
+            if (end < begin)
+            {
+                float temp = begin;
+                begin = end;
+                end = temp;
+            }
+            end = Math.Min(1f, Math.Max(0f, end));
+            begin = Math.Min(Math.Min(1f, Math.Max(0f, begin)), end - 0.02f);
+            if (begin < 0.02f && end < 0.02f)
+            {
+                begin = 0f;
+                end = 0.02f;
+            }
+
+            ushort uBegin = (ushort)(50000.0 * begin);
+            ushort uEnd = (ushort)(50000.0 * (1f - end));
+            bool updatePossiblyNeeded = false;
+            PrimType primType = GetPrimType();
+            if (primType == PrimType.SPHERE || primType == PrimType.TORUS || primType == PrimType.TUBE || primType == PrimType.RING)
+            {
+                if (m_shape.ProfileBegin != uBegin || m_shape.ProfileEnd != uEnd)
+                {
+                    m_shape.ProfileBegin = uBegin;
+                    m_shape.ProfileEnd = uEnd;
+                    updatePossiblyNeeded = true;
+                }
+            }
+            else if (m_shape.PathBegin != uBegin || m_shape.PathEnd != uEnd)
+            {
+                m_shape.PathBegin = uBegin;
+                m_shape.PathEnd = uEnd;
+                updatePossiblyNeeded = true;
+            }
+
+            if (updatePossiblyNeeded && ParentGroup != null)
+            {
+                ParentGroup.HasGroupChanged = true;
+            }
+            if (updatePossiblyNeeded && PhysActor != null)
+            {
+                PhysActor.Shape = m_shape;
+                ParentGroup.Scene.PhysicsScene.AddPhysicsActorTaint(PhysActor);
+            }
+            if (updatePossiblyNeeded)
+            {
+                ScheduleFullUpdate();
+            }
+        }
+
         /// <summary>
         /// If the part is a sculpt/mesh, retrieve the mesh data and reinsert it into the shape so that the physics
         /// engine can use it.
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 548dfd3..65d526f 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1385,17 +1385,22 @@ namespace OpenSim.Region.Framework.Scenes
                 bool DCFlagKeyPressed = false;
                 Vector3 agent_control_v3 = Vector3.Zero;
 
-                bool oldflying = Flying;
+                bool newFlying = actor.Flying;
 
                 if (ForceFly)
-                    actor.Flying = true;
+                    newFlying = true;
                 else if (FlyDisabled)
-                    actor.Flying = false;
+                    newFlying = false;
                 else
-                    actor.Flying = ((flags & AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0);
+                    newFlying = ((flags & AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0);
 
-                if (actor.Flying != oldflying)
+                if (actor.Flying != newFlying)
+                {
+                    // Note: ScenePresence.Flying is actually fetched from the physical actor
+                    //     so setting PhysActor.Flying here also sets the ScenePresence's value.
+                    actor.Flying = newFlying;
                     update_movementflag = true;
+                }
 
                 if (ParentID == 0)
                 {