3 files changed, 46 insertions, 28 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 7e48659..fceae02 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -1343,31 +1343,19 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (part == null || part.ParentGroup.IsDeleted)
                 return;
 
-            if (scale.x < 0.01)
-                scale.x = 0.01;
-            if (scale.y < 0.01)
-                scale.y = 0.01;
-            if (scale.z < 0.01)
-                scale.z = 0.01;
-
+            // First we need to check whether or not we need to clamp the size of a physics-enabled prim
             PhysicsActor pa = part.ParentGroup.RootPart.PhysActor;
-
             if (pa != null && pa.IsPhysical)
             {
-                if (scale.x > World.m_maxPhys)
-                    scale.x = World.m_maxPhys;
-                if (scale.y > World.m_maxPhys)
-                    scale.y = World.m_maxPhys;
-                if (scale.z > World.m_maxPhys)
-                    scale.z = World.m_maxPhys;
+                scale.x = Math.Max(World.m_minPhys, Math.Min(World.m_maxPhys, scale.x));
+                scale.y = Math.Max(World.m_minPhys, Math.Min(World.m_maxPhys, scale.y));
+                scale.z = Math.Max(World.m_minPhys, Math.Min(World.m_maxPhys, scale.z));
             }
 
-            if (scale.x > World.m_maxNonphys)
-                scale.x = World.m_maxNonphys;
-            if (scale.y > World.m_maxNonphys)
-                scale.y = World.m_maxNonphys;
-            if (scale.z > World.m_maxNonphys)
-                scale.z = World.m_maxNonphys;
+            // Next we clamp the scale to the non-physical min/max
+            scale.x = Math.Max(World.m_minNonphys, Math.Min(World.m_maxNonphys, scale.x));
+            scale.y = Math.Max(World.m_minNonphys, Math.Min(World.m_maxNonphys, scale.y));
+            scale.z = Math.Max(World.m_minNonphys, Math.Min(World.m_maxNonphys, scale.z));
 
             Vector3 tmp = part.Scale;
             tmp.X = (float)scale.x;
@@ -4031,9 +4019,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void llSetText(string text, LSL_Vector color, double alpha)
         {
             m_host.AddScriptLPS(1);
-            Vector3 av3 = new Vector3(Util.Clip((float)color.x, 0.0f, 1.0f),
-                                      Util.Clip((float)color.y, 0.0f, 1.0f),
-                                      Util.Clip((float)color.z, 0.0f, 1.0f));
+            Vector3 av3 = Util.Clip(new Vector3((float)color.x, (float)color.y, 
+                (float)color.z), 0.0f, 1.0f);
             m_host.SetText(text.Length > 254 ? text.Remove(254) : text, av3, Util.Clip((float)alpha, 0.0f, 1.0f));
             //m_host.ParentGroup.HasGroupChanged = true;
             //m_host.ParentGroup.ScheduleGroupForFullUpdate();
@@ -7647,9 +7634,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             string primText = rules.GetLSLStringItem(idx++);
                             LSL_Vector primTextColor = rules.GetVector3Item(idx++);
                             LSL_Float primTextAlpha = rules.GetLSLFloatItem(idx++);
-                            Vector3 av3 = new Vector3(Util.Clip((float)primTextColor.x, 0.0f, 1.0f),
-                                          Util.Clip((float)primTextColor.y, 0.0f, 1.0f),
-                                          Util.Clip((float)primTextColor.z, 0.0f, 1.0f));
+                            Vector3 av3 = Util.Clip(new Vector3((float)primTextColor.x,
+                                (float)primTextColor.y, 
+                                (float)primTextColor.z), 0.0f, 1.0f);
                             part.SetText(primText, av3, Util.Clip((float)primTextAlpha, 0.0f, 1.0f));
 
                             break;
@@ -7679,6 +7666,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             LSL_Float gain = rules.GetLSLFloatItem(idx++);
                             TargetOmega(part, axis, (double)spinrate, (double)gain);
                             break;
+                        case (int)ScriptBaseClass.PRIM_SLICE:
+                            if (remain < 1)
+                                return null;
+                            LSL_Vector slice = rules.GetVector3Item(idx++);
+                            part.UpdateSlice((float)slice.x, (float)slice.y);
+                            break;
                         case (int)ScriptBaseClass.PRIM_LINK_TARGET:
                             if (remain < 3) // setting to 3 on the basis that parsing any usage of PRIM_LINK_TARGET that has nothing following it is pointless.
                                 return null;
@@ -7687,6 +7680,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     }
                 }
             }
+            catch (InvalidCastException e)
+            {
+                ShoutError(e.Message);
+            }
             finally
             {
                 if (positionChanged)
@@ -8349,6 +8346,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     case (int)ScriptBaseClass.PRIM_POS_LOCAL:
                         res.Add(new LSL_Vector(GetPartLocalPos(part)));
                         break;
+                    case (int)ScriptBaseClass.PRIM_SLICE:
+                        PrimType prim_type = part.GetPrimType();
+                        bool useProfileBeginEnd = (prim_type == PrimType.SPHERE || prim_type == PrimType.TORUS || prim_type == PrimType.TUBE || prim_type == PrimType.RING);
+                        res.Add(new LSL_Vector(
+                            (useProfileBeginEnd ? part.Shape.ProfileBegin : part.Shape.PathBegin) / 50000.0,
+                            1 - (useProfileBeginEnd ? part.Shape.ProfileEnd : part.Shape.PathEnd) / 50000.0,
+                            0
+                        ));
+                        break;
                 }
             }
             return res;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index e1c054d..cad8518 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
@@ -328,6 +328,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int PRIM_OMEGA = 32;
         public const int PRIM_POS_LOCAL = 33;
         public const int PRIM_LINK_TARGET = 34;
+        public const int PRIM_SLICE = 35;
         public const int PRIM_TEXGEN_DEFAULT = 0;
         public const int PRIM_TEXGEN_PLANAR = 1;
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
index d848b2a..562433d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
@@ -560,12 +560,23 @@ namespace OpenSim.Region.ScriptEngine.Shared
                 else if (m_data[itemIndex] is LSL_Types.LSLString)
                     return new LSLInteger(m_data[itemIndex].ToString());
                 else
-                    throw new InvalidCastException();
+                    throw new InvalidCastException(string.Format(
+                        "{0} expected but {1} given",
+                        typeof(LSL_Types.LSLInteger).Name,
+                        m_data[itemIndex] != null ?
+                        m_data[itemIndex].GetType().Name : "null"));
             }
 
             public LSL_Types.Vector3 GetVector3Item(int itemIndex)
             {
-              return (LSL_Types.Vector3)m_data[itemIndex];
+                if(m_data[itemIndex] is LSL_Types.Vector3)
+                    return (LSL_Types.Vector3)m_data[itemIndex];
+                else
+                    throw new InvalidCastException(string.Format(
+                        "{0} expected but {1} given",
+                        typeof(LSL_Types.Vector3).Name,
+                        m_data[itemIndex] != null ?
+                        m_data[itemIndex].GetType().Name : "null"));
             }
 
             public LSL_Types.Quaternion GetQuaternionItem(int itemIndex)