3 files changed, 111 insertions, 12 deletions

diff --git a/OpenSim/Region/Physics/Manager/IMesher.cs b/OpenSim/Region/Physics/Manager/IMesher.cs
index 1181b8d..3a9ca1b 100644
--- a/OpenSim/Region/Physics/Manager/IMesher.cs
+++ b/OpenSim/Region/Physics/Manager/IMesher.cs
@@ -38,6 +38,17 @@ namespace OpenSim.Region.Physics.Manager
         IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical);
     }
 
+    // Values for level of detail to be passed to the mesher.
+    // Values origionally chosen for the LOD of sculpties (the sqrt(width*heigth) of sculpt texture)
+    // Lower level of detail reduces the number of vertices used to represent the meshed shape.
+    public enum LevelOfDetail 
+    {
+        High = 32,
+        Medium = 16,
+        Low = 8,
+        VeryLow = 4
+    }
+
     public interface IVertex
     {
     }
diff --git a/OpenSim/Region/Physics/Manager/IPhysicsParameters.cs b/OpenSim/Region/Physics/Manager/IPhysicsParameters.cs
new file mode 100755
index 0000000..b8676ba
--- /dev/null
+++ b/OpenSim/Region/Physics/Manager/IPhysicsParameters.cs
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using OpenSim.Framework;
+using OpenMetaverse;
+
+namespace OpenSim.Region.Physics.Manager
+{
+    public struct PhysParameterEntry
+    {
+        // flags to say to apply to all or no instances (I wish one could put consts into interfaces)
+        public const uint APPLY_TO_ALL = 0xfffffff3;
+        public const uint APPLY_TO_NONE = 0xfffffff4;
+
+        // values that denote true and false values
+        public const float NUMERIC_TRUE = 1f;
+        public const float NUMERIC_FALSE = 0f;
+
+        public string name;
+        public string desc;
+
+        public PhysParameterEntry(string n, string d)
+        {
+            name = n;
+            desc = d;
+        }
+    }
+
+    // Interface for a physics scene that implements the runtime setting and getting of physics parameters
+    public interface IPhysicsParameters
+    {
+        // Get the list of parameters this physics engine supports
+        PhysParameterEntry[] GetParameterList();
+
+        // Set parameter on a specific or all instances.
+        // Return 'false' if not able to set the parameter.
+        bool SetPhysicsParameter(string parm, float value, uint localID);
+
+        // Get parameter.
+        // Return 'false' if not able to get the parameter.
+        bool GetPhysicsParameter(string parm, out float value);
+
+        // Get parameter from a particular object
+        // TODO:
+        // bool GetPhysicsParameter(string parm, out float value, uint localID);
+    }
+}
diff --git a/OpenSim/Region/Physics/Manager/PhysicsScene.cs b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
index de22fae..72b01ac 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsScene.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
@@ -37,6 +37,18 @@ namespace OpenSim.Region.Physics.Manager
     public delegate void physicsCrash();
 
     public delegate void RaycastCallback(bool hitYN, Vector3 collisionPoint, uint localid, float distance, Vector3 normal);
+    public delegate void RayCallback(List<ContactResult> list);
+
+    /// <summary>
+    /// Contact result from a raycast.
+    /// </summary>
+    public struct ContactResult
+    {
+        public Vector3 Pos;
+        public float Depth;
+        public uint ConsumerID;
+        public Vector3 Normal;
+    }
 
     public abstract class PhysicsScene
     {
@@ -61,7 +73,6 @@ namespace OpenSim.Region.Physics.Manager
             }
         }
 
-
         public abstract void Initialise(IMesher meshmerizer, IConfigSource config);
 
         public abstract PhysicsActor AddAvatar(string avName, Vector3 position, Vector3 size, bool isFlying);
@@ -75,6 +86,10 @@ namespace OpenSim.Region.Physics.Manager
 
         public abstract void RemoveAvatar(PhysicsActor actor);
 
+        /// <summary>
+        /// Remove a prim from the physics scene.
+        /// </summary>
+        /// <param name="prim"></param>
         public abstract void RemovePrim(PhysicsActor prim);
 
         //public abstract PhysicsActor AddPrimShape(string primName, PrimitiveBaseShape pbs, Vector3 position,
@@ -83,17 +98,6 @@ namespace OpenSim.Region.Physics.Manager
         public abstract PhysicsActor AddPrimShape(string primName, PrimitiveBaseShape pbs, Vector3 position,
                                                   Vector3 size, Quaternion rotation, bool isPhysical, uint localid);
 
-        public virtual PhysicsActor AddPrimShape(uint localID, string primName, PrimitiveBaseShape pbs, Vector3 position,
-                                                  Vector3 size, Quaternion rotation, bool isPhysical, uint localid)
-        {
-            PhysicsActor ret = AddPrimShape(primName, pbs, position, size, rotation, isPhysical, localid);
-
-            if (ret != null)
-                ret.LocalID = localID;
-
-            return ret;
-        }
-
         public virtual float TimeDilation
         {
             get { return 1.0f; }
@@ -226,6 +230,17 @@ namespace OpenSim.Region.Physics.Manager
                 retMethod(false, Vector3.Zero, 0, 999999999999f, Vector3.Zero);
         }
 
+        public virtual void RaycastWorld(Vector3 position, Vector3 direction, float length, int Count, RayCallback retMethod)
+        {
+            if (retMethod != null)
+                retMethod(new List<ContactResult>());
+        }
+
+        public virtual List<ContactResult> RaycastWorld(Vector3 position, Vector3 direction, float length, int Count)
+        {
+            return new List<ContactResult>();
+        }
+
         private class NullPhysicsScene : PhysicsScene
         {
             private static int m_workIndicator;