1 files changed, 98 insertions, 0 deletions

diff --git a/OpenSim/Region/PhysicsModules/SharedBase/IMesher.cs b/OpenSim/Region/PhysicsModules/SharedBase/IMesher.cs
new file mode 100644
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+++ b/OpenSim/Region/PhysicsModules/SharedBase/IMesher.cs
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+/*
+ * 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 System.Runtime.InteropServices;
+using OpenSim.Framework;
+using OpenMetaverse;
+
+namespace OpenSim.Region.PhysicsModules.SharedBase
+{
+    public interface IMesher
+    {
+        IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod);
+        IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical);
+        IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool convex, bool forOde);
+        IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool shouldCache, bool convex, bool forOde);
+        IMesh GetMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool convex);
+        void ReleaseMesh(IMesh mesh);
+        void ExpireReleaseMeshs();
+        void ExpireFileCache();
+    }
+
+    // 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
+    {
+    }
+
+    [Serializable()]
+    [StructLayout(LayoutKind.Explicit)]
+    public struct AMeshKey
+    {
+        [FieldOffset(0)]
+        public UUID uuid;
+        [FieldOffset(0)]
+        public ulong hashA;
+        [FieldOffset(8)]
+        public ulong hashB;
+        [FieldOffset(16)]
+        public ulong hashC;
+
+        public override string ToString()
+        {
+            return uuid.ToString() + "-" + hashC.ToString("x") ;
+        }
+    }
+
+    public interface IMesh
+    {
+        List<Vector3> getVertexList();
+        int[] getIndexListAsInt();
+        int[] getIndexListAsIntLocked();
+        float[] getVertexListAsFloat();
+        float[] getVertexListAsFloatLocked();
+        void getIndexListAsPtrToIntArray(out IntPtr indices, out int triStride, out int indexCount);
+        void getVertexListAsPtrToFloatArray(out IntPtr vertexList, out int vertexStride, out int vertexCount);
+        void releaseSourceMeshData();
+        void releasePinned();
+        void Append(IMesh newMesh);
+        void TransformLinear(float[,] matrix, float[] offset);
+        Vector3 GetCentroid();
+        Vector3 GetOBB();
+    }
+}