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/*
* AJLDuarte 2012
*/
using System;
using System.Threading;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using OpenSim.Framework;
using OpenSim.Region.Physics.Manager;
using OdeAPI;
using log4net;
using Nini.Config;
using OpenMetaverse;
namespace OpenSim.Region.Physics.OdePlugin
{
public class ODEMeshWorker
{
private ILog m_log;
private OdeScene m_scene;
private IMesher m_mesher;
public bool meshSculptedPrim = true;
public bool forceSimplePrimMeshing = false;
public float meshSculptLOD = 32;
public float MeshSculptphysicalLOD = 32;
public ODEMeshWorker(OdeScene pScene, ILog pLog, IMesher pMesher, IConfig pConfig)
{
m_scene = pScene;
m_log = pLog;
m_mesher = pMesher;
if (pConfig != null)
{
forceSimplePrimMeshing = pConfig.GetBoolean("force_simple_prim_meshing", forceSimplePrimMeshing);
meshSculptedPrim = pConfig.GetBoolean("mesh_sculpted_prim", meshSculptedPrim);
meshSculptLOD = pConfig.GetFloat("mesh_lod", meshSculptLOD);
MeshSculptphysicalLOD = pConfig.GetFloat("mesh_physical_lod", MeshSculptphysicalLOD);
}
}
/// <summary>
/// Routine to figure out if we need to mesh this prim with our mesher
/// </summary>
/// <param name="pbs"></param>
/// <returns></returns>
public bool needsMeshing(PrimitiveBaseShape pbs)
{
// check sculpts or meshs
if (pbs.SculptEntry)
{
if (meshSculptedPrim)
return true;
if (pbs.SculptType == (byte)SculptType.Mesh) // always do meshs
return true;
return false;
}
if (forceSimplePrimMeshing)
return true;
// if it's a standard box or sphere with no cuts, hollows, twist or top shear, return false since ODE can use an internal representation for the prim
if ((pbs.ProfileShape == ProfileShape.Square && pbs.PathCurve == (byte)Extrusion.Straight)
|| (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1
&& pbs.Scale.X == pbs.Scale.Y && pbs.Scale.Y == pbs.Scale.Z))
{
if (pbs.ProfileBegin == 0 && pbs.ProfileEnd == 0
&& pbs.ProfileHollow == 0
&& pbs.PathTwist == 0 && pbs.PathTwistBegin == 0
&& pbs.PathBegin == 0 && pbs.PathEnd == 0
&& pbs.PathTaperX == 0 && pbs.PathTaperY == 0
&& pbs.PathScaleX == 100 && pbs.PathScaleY == 100
&& pbs.PathShearX == 0 && pbs.PathShearY == 0)
{
return false;
}
}
// following code doesn't give meshs to boxes and spheres ever
// and it's odd.. so for now just return true if asked to force meshs
// hopefully mesher will fail if doesn't suport so things still get basic boxes
int iPropertiesNotSupportedDefault = 0;
if (pbs.ProfileHollow != 0)
iPropertiesNotSupportedDefault++;
if ((pbs.PathBegin != 0) || pbs.PathEnd != 0)
iPropertiesNotSupportedDefault++;
if ((pbs.PathTwistBegin != 0) || (pbs.PathTwist != 0))
iPropertiesNotSupportedDefault++;
if ((pbs.ProfileBegin != 0) || pbs.ProfileEnd != 0)
iPropertiesNotSupportedDefault++;
if ((pbs.PathScaleX != 100) || (pbs.PathScaleY != 100))
iPropertiesNotSupportedDefault++;
if ((pbs.PathShearX != 0) || (pbs.PathShearY != 0))
iPropertiesNotSupportedDefault++;
if (pbs.ProfileShape == ProfileShape.Circle && pbs.PathCurve == (byte)Extrusion.Straight)
iPropertiesNotSupportedDefault++;
if (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1 && (pbs.Scale.X != pbs.Scale.Y || pbs.Scale.Y != pbs.Scale.Z || pbs.Scale.Z != pbs.Scale.X))
iPropertiesNotSupportedDefault++;
if (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1)
iPropertiesNotSupportedDefault++;
// test for torus
if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.Square)
{
if (pbs.PathCurve == (byte)Extrusion.Curve1)
{
iPropertiesNotSupportedDefault++;
}
}
else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
{
if (pbs.PathCurve == (byte)Extrusion.Straight)
{
iPropertiesNotSupportedDefault++;
}
// ProfileCurve seems to combine hole shape and profile curve so we need to only compare against the lower 3 bits
else if (pbs.PathCurve == (byte)Extrusion.Curve1)
{
iPropertiesNotSupportedDefault++;
}
}
else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
{
if (pbs.PathCurve == (byte)Extrusion.Curve1 || pbs.PathCurve == (byte)Extrusion.Curve2)
{
iPropertiesNotSupportedDefault++;
}
}
else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
{
if (pbs.PathCurve == (byte)Extrusion.Straight)
{
iPropertiesNotSupportedDefault++;
}
else if (pbs.PathCurve == (byte)Extrusion.Curve1)
{
iPropertiesNotSupportedDefault++;
}
}
if (iPropertiesNotSupportedDefault == 0)
{
return false;
}
return true;
}
public IMesh getMesh(PhysicsActor actor, PrimitiveBaseShape ppbs, Vector3 psize, byte pshapetype)
{
if (!(actor is OdePrim))
return null;
IMesh mesh = null;
PrimitiveBaseShape pbs = ppbs;
Vector3 size = psize;
byte shapetype = pshapetype;
if (needsMeshing(pbs))
{
bool convex;
int clod = (int)LevelOfDetail.High;
if (shapetype == 0)
convex = false;
else
{
convex = true;
if (pbs.SculptType != (byte)SculptType.Mesh)
clod = (int)LevelOfDetail.Low;
}
mesh = m_mesher.GetMesh(actor.Name, pbs, size, clod, true, convex);
if (mesh == null)
{
if (!pbs.SculptEntry)
return m_mesher.CreateMesh(actor.Name, pbs, size, clod, true, convex);
if (pbs.SculptTexture == UUID.Zero)
return null;
if(pbs.SculptType != (byte)SculptType.Mesh)
{ // check for sculpt decoded image on cache)
if (File.Exists(System.IO.Path.Combine("j2kDecodeCache", "smap_" + pbs.SculptTexture.ToString())))
return m_mesher.CreateMesh(actor.Name, pbs, size, clod, true, convex);
}
if(pbs.SculptData != null && pbs.SculptData.Length >0)
return m_mesher.CreateMesh(actor.Name, pbs, size, clod, true, convex);
}
}
return mesh;
}
}
}
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