1 files changed, 27 insertions, 21 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index c5226ba..f3f7269 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -465,22 +465,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
         //Now we start getting into quaternions which means sin/cos, matrices and vectors. ckrinke
 
-        // Utility function for llRot2Euler
-
-        // normalize an angle between -PI and PI (-180 to +180 degrees)
-        protected double NormalizeAngle(double angle)
-        {
-            if (angle > -Math.PI && angle < Math.PI)
-                return angle;
-
-            int numPis = (int)(Math.PI / angle);
-            double remainder = angle - Math.PI * numPis;
-            if (numPis % 2 == 1)
-                return Math.PI - angle;
-            return remainder;
-        }
-
-        // Old implementation of llRot2Euler, now normalized
+        // Old implementation of llRot2Euler. Normalization not required as Atan2 function will
+        // only return values >= -PI (-180 degrees) and <= PI (180 degrees).
 
         public LSL_Vector llRot2Euler(LSL_Rotation r)
         {
@@ -492,13 +478,13 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             double n = 2 * (r.y * r.s + r.x * r.z);
             double p = m * m - n * n;
             if (p > 0)
-                return new LSL_Vector(NormalizeAngle(Math.Atan2(2.0 * (r.x * r.s - r.y * r.z), (-t.x - t.y + t.z + t.s))),
-                                             NormalizeAngle(Math.Atan2(n, Math.Sqrt(p))),
-                                             NormalizeAngle(Math.Atan2(2.0 * (r.z * r.s - r.x * r.y), (t.x - t.y - t.z + t.s))));
+                return new LSL_Vector(Math.Atan2(2.0 * (r.x * r.s - r.y * r.z), (-t.x - t.y + t.z + t.s)),
+                                             Math.Atan2(n, Math.Sqrt(p)),
+                                             Math.Atan2(2.0 * (r.z * r.s - r.x * r.y), (t.x - t.y - t.z + t.s)));
             else if (n > 0)
-                return new LSL_Vector(0.0, Math.PI * 0.5, NormalizeAngle(Math.Atan2((r.z * r.s + r.x * r.y), 0.5 - t.x - t.z)));
+                return new LSL_Vector(0.0, Math.PI * 0.5, Math.Atan2((r.z * r.s + r.x * r.y), 0.5 - t.x - t.z));
             else
-                return new LSL_Vector(0.0, -Math.PI * 0.5, NormalizeAngle(Math.Atan2((r.z * r.s + r.x * r.y), 0.5 - t.x - t.z)));
+                return new LSL_Vector(0.0, -Math.PI * 0.5, Math.Atan2((r.z * r.s + r.x * r.y), 0.5 - t.x - t.z));
         }
 
         /* From wiki:
@@ -5874,6 +5860,8 @@ 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,
@@ -6006,6 +5994,22 @@ 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;
@@ -6062,11 +6066,13 @@ 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;
                     }