/// <summary>
        /// Create a sculpty faceted mesh. The actual scuplt texture is fetched and passed to this
        /// routine since all the context for finding teh texture is elsewhere.
        /// </summary>
        /// <param name="scupltTexture"></param>
        /// <param name="prim"></param>
        /// <param name="lod"></param>
        /// <returns>the faceted mesh or null if can't do it</returns>
        public OMVR.FacetedMesh GenerateSculptMesh(System.Drawing.Bitmap scupltTexture,
                                                   OMV.Primitive prim, OMVR.DetailLevel lod)
        {
            try {
                byte sculptType = (byte)prim.Sculpt.Type;
                bool mirror     = ((sculptType & 128) != 0);
                bool invert     = ((sculptType & 64) != 0);
                // bool mirror = false; // TODO: libomv doesn't support these and letting them flop around causes problems
                // bool invert = false;
                OMV.SculptType omSculptType = (OMV.SculptType)(sculptType & 0x07);

                PrimMesher.SculptMesh.SculptType smSculptType;
                switch (omSculptType)
                {
                case OpenMetaverse.SculptType.Cylinder:
                    smSculptType = PrimMesher.SculptMesh.SculptType.cylinder;
                    break;

                case OpenMetaverse.SculptType.Plane:
                    smSculptType = PrimMesher.SculptMesh.SculptType.plane;
                    break;

                case OpenMetaverse.SculptType.Sphere:
                    smSculptType = PrimMesher.SculptMesh.SculptType.sphere;
                    break;

                case OpenMetaverse.SculptType.Torus:
                    smSculptType = PrimMesher.SculptMesh.SculptType.torus;
                    break;

                default:
                    smSculptType = PrimMesher.SculptMesh.SculptType.plane;
                    break;
                }
                // The lod for sculpties is the resolution of the texture passed.
                // The first guess is 1:1 then lower resolutions after that
                // int mesherLod = (int)Math.Sqrt(scupltTexture.Width * scupltTexture.Height);
                int mesherLod = 32; // number used in Idealist viewer
                switch (lod)
                {
                case OMVR.DetailLevel.Highest:
                    break;

                case OMVR.DetailLevel.High:
                    break;

                case OMVR.DetailLevel.Medium:
                    mesherLod /= 2;
                    break;

                case OMVR.DetailLevel.Low:
                    mesherLod /= 4;
                    break;
                }
                PrimMesher.SculptMesh newMesh =
                    new PrimMesher.SculptMesh(scupltTexture, smSculptType, mesherLod, true, mirror, invert);

                if (ShouldScaleMesh)
                {
                    newMesh.Scale(prim.Scale.X, prim.Scale.Y, prim.Scale.Z);
                }

                int numPrimFaces = 1;   // a scuplty has only one face

                return(GenerateIRendererMesh(numPrimFaces, prim, newMesh.viewerFaces));
            }
            catch {
                // don't know why we're here but tell the caller nothing was meshed
                return(null);
            }
        }
예제 #2
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        /// <summary>
        /// Create a sculpty faceted mesh. The actual scuplt texture is fetched and passed to this
        /// routine since all the context for finding teh texture is elsewhere.
        /// </summary>
        /// <returns>The faceted mesh or null if can't do it</returns>
        public OMVR.FacetedMesh GenerateFacetedSculptMesh(OMV.Primitive prim, System.Drawing.Bitmap scupltTexture, OMVR.DetailLevel lod)
        {
            byte sculptType = (byte)prim.Sculpt.Type;
            bool mirror     = ((sculptType & 128) != 0);
            bool invert     = ((sculptType & 64) != 0);

            // mirror = false; // TODO: libomv doesn't support these and letting them flop around causes problems
            // invert = false;
            OMV.SculptType omSculptType = (OMV.SculptType)(sculptType & 0x07);

            PrimMesher.SculptMesh.SculptType smSculptType;
            switch (omSculptType)
            {
            case OpenMetaverse.SculptType.Cylinder:
                smSculptType = PrimMesher.SculptMesh.SculptType.cylinder;
                break;

            case OpenMetaverse.SculptType.Plane:
                smSculptType = PrimMesher.SculptMesh.SculptType.plane;
                break;

            case OpenMetaverse.SculptType.Sphere:
                smSculptType = PrimMesher.SculptMesh.SculptType.sphere;
                break;

            case OpenMetaverse.SculptType.Torus:
                smSculptType = PrimMesher.SculptMesh.SculptType.torus;
                break;

            default:
                smSculptType = PrimMesher.SculptMesh.SculptType.plane;
                break;
            }
            // The lod for sculpties is the resolution of the texture passed.
            // The first guess is 1:1 then lower resolutions after that
            // int mesherLod = (int)Math.Sqrt(scupltTexture.Width * scupltTexture.Height);
            int mesherLod = 32; // number used in Idealist viewer

            switch (lod)
            {
            case OMVR.DetailLevel.Highest:
                break;

            case OMVR.DetailLevel.High:
                break;

            case OMVR.DetailLevel.Medium:
                mesherLod /= 2;
                break;

            case OMVR.DetailLevel.Low:
                mesherLod /= 4;
                break;
            }
            PrimMesher.SculptMesh newMesh =
                new PrimMesher.SculptMesh(scupltTexture, smSculptType, mesherLod, true, mirror, invert);

            int numPrimFaces = 1;       // a scuplty has only one face

            // copy the vertex information into OMVR.IRendering structures
            OMVR.FacetedMesh omvrmesh = new OMVR.FacetedMesh();
            omvrmesh.Faces             = new List <OMVR.Face>();
            omvrmesh.Prim              = prim;
            omvrmesh.Profile           = new OMVR.Profile();
            omvrmesh.Profile.Faces     = new List <OMVR.ProfileFace>();
            omvrmesh.Profile.Positions = new List <OMV.Vector3>();
            omvrmesh.Path              = new OMVR.Path();
            omvrmesh.Path.Points       = new List <OMVR.PathPoint>();

            for (int ii = 0; ii < numPrimFaces; ii++)
            {
                OMVR.Face oface = new OMVR.Face();
                oface.Vertices    = new List <OMVR.Vertex>();
                oface.Indices     = new List <ushort>();
                oface.TextureFace = prim.Textures.GetFace((uint)ii);
                int faceVertices = 0;
                foreach (PrimMesher.ViewerFace vface in newMesh.viewerFaces)
                {
                    OMVR.Vertex vert = new OMVR.Vertex();
                    vert.Position = new OMV.Vector3(vface.v1.X, vface.v1.Y, vface.v1.Z);
                    vert.TexCoord = new OMV.Vector2(vface.uv1.U, 1.0f - vface.uv1.V);
                    vert.Normal   = new OMV.Vector3(vface.n1.X, vface.n1.Y, vface.n1.Z);
                    oface.Vertices.Add(vert);

                    vert          = new OMVR.Vertex();
                    vert.Position = new OMV.Vector3(vface.v2.X, vface.v2.Y, vface.v2.Z);
                    vert.TexCoord = new OMV.Vector2(vface.uv2.U, 1.0f - vface.uv2.V);
                    vert.Normal   = new OMV.Vector3(vface.n2.X, vface.n2.Y, vface.n2.Z);
                    oface.Vertices.Add(vert);

                    vert          = new OMVR.Vertex();
                    vert.Position = new OMV.Vector3(vface.v3.X, vface.v3.Y, vface.v3.Z);
                    vert.TexCoord = new OMV.Vector2(vface.uv3.U, 1.0f - vface.uv3.V);
                    vert.Normal   = new OMV.Vector3(vface.n3.X, vface.n3.Y, vface.n3.Z);
                    oface.Vertices.Add(vert);

                    oface.Indices.Add((ushort)(faceVertices * 3 + 0));
                    oface.Indices.Add((ushort)(faceVertices * 3 + 1));
                    oface.Indices.Add((ushort)(faceVertices * 3 + 2));
                    faceVertices++;
                }
                if (faceVertices > 0)
                {
                    oface.TextureFace = prim.Textures.FaceTextures[ii];
                    if (oface.TextureFace == null)
                    {
                        oface.TextureFace = prim.Textures.DefaultTexture;
                    }
                    oface.ID = ii;
                    omvrmesh.Faces.Add(oface);
                }
            }

            return(omvrmesh);
        }