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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.Physics.Manager
{
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();
}
}
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