2 files changed, 38 insertions, 14 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 138bcc9..1d4c235 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -6134,6 +6134,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             PSYS_PART_MAX_AGE = 7,
             PSYS_SRC_ACCEL = 8,
             PSYS_SRC_PATTERN = 9,
+            PSYS_SRC_INNERANGLE = 10,
+            PSYS_SRC_OUTERANGLE = 11,
             PSYS_SRC_TEXTURE = 12,
             PSYS_SRC_BURST_RATE = 13,
             PSYS_SRC_BURST_PART_COUNT = 15,
@@ -6266,6 +6268,22 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             prules.Pattern = (Primitive.ParticleSystem.SourcePattern)tmpi;
                             break;
 
+                        // PSYS_SRC_INNERANGLE and PSYS_SRC_ANGLE_BEGIN use the same variables. The
+                        // PSYS_SRC_OUTERANGLE and PSYS_SRC_ANGLE_END also use the same variable. The
+                        // client tells the difference between the two by looking at the 0x02 bit in
+                        // the PartFlags variable.
+                        case (int)ScriptBaseClass.PSYS_SRC_INNERANGLE:
+                            tempf = (float)rules.GetLSLFloatItem(i + 1);
+                            prules.InnerAngle = (float)tempf;
+                            prules.PartFlags &= 0xFFFFFFFD; // Make sure new angle format is off.
+                            break;
+
+                        case (int)ScriptBaseClass.PSYS_SRC_OUTERANGLE:
+                            tempf = (float)rules.GetLSLFloatItem(i + 1);
+                            prules.OuterAngle = (float)tempf;
+                            prules.PartFlags &= 0xFFFFFFFD; // Make sure new angle format is off.
+                            break;
+
                         case (int)ScriptBaseClass.PSYS_SRC_TEXTURE:
                             prules.Texture = KeyOrName(rules.GetLSLStringItem(i + 1));
                             break;
@@ -6322,11 +6340,13 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         case (int)ScriptBaseClass.PSYS_SRC_ANGLE_BEGIN:
                             tempf = (float)rules.GetLSLFloatItem(i + 1);
                             prules.InnerAngle = (float)tempf;
+                            prules.PartFlags |= 0x02; // Set new angle format.
                             break;
 
                         case (int)ScriptBaseClass.PSYS_SRC_ANGLE_END:
                             tempf = (float)rules.GetLSLFloatItem(i + 1);
                             prules.OuterAngle = (float)tempf;
+                            prules.PartFlags |= 0x02; // Set new angle format.
                             break;
 
                         case (int)ScriptBaseClass.PSYS_SRC_INNERANGLE:
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index d4c1727..916e27f 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -769,8 +769,6 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 }
             }
 
-            
-
             ScriptInstance instance = null;
             // Create the object record
             lockScriptsForRead(true);
@@ -952,7 +950,6 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 
             CleanAssemblies();
             
-
             ScriptRemoved handlerScriptRemoved = OnScriptRemoved;
             if (handlerScriptRemoved != null)
                 handlerScriptRemoved(itemID);
@@ -1086,26 +1083,33 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         public bool PostObjectEvent(uint localID, EventParams p)
         {
             bool result = false;
-            
+            List<UUID> uuids = null;
+
             lock (m_PrimObjects)
             {
                 if (!m_PrimObjects.ContainsKey(localID))
                     return false;
 
-            
-                foreach (UUID itemID in m_PrimObjects[localID])
+                uuids = m_PrimObjects[localID];
+            }
+
+            foreach (UUID itemID in uuids)
+            {
+                IScriptInstance instance = null;
+                try
                 {
                     if (m_Scripts.ContainsKey(itemID))
-                    {
-                        IScriptInstance instance = m_Scripts[itemID];
-                        if (instance != null)
-                        {
-                            instance.PostEvent(p);
-                            result = true;
-                        }
-                    }
+                        instance = m_Scripts[itemID];
+                }
+                catch { /* ignore race conditions */ }
+
+                if (instance != null)
+                {
+                    instance.PostEvent(p);
+                    result = true;
                 }
             }
+            
             return result;
         }