Example #1
0
            private Wavefront.Material GenerateMaterial(Wavefront.Model Model)
            {
                Wavefront.MaterialFilter Kd    = default(Wavefront.MaterialFilter);
                Wavefront.MaterialMap    map_d = default(Wavefront.MaterialMap);

                if (material.HasMaterialColor)
                {
                    var color = (Color4b)material.light.Light1.Color;

                    Kd = new Wavefront.MaterialFilter(color.r, color.g, color.b);
                }
                Wavefront.Image image = null;
                if (material.HasTexture)
                {
                    byte[] pixels = new byte[(texture.Width * texture.Height) << 2];
                    GL.GetTextureImage(texture.ID, 0, PixelFormat.Rgba, PixelType.UnsignedInt8888, pixels.Length, pixels);
                    for (int i = (texture.Width * texture.Height) - 1; i >= 0; i--)
                    {
                        byte r = pixels[(i << 2) | 1];
                        byte g = pixels[(i << 2) | 2];
                        byte b = pixels[(i << 2) | 3];
                        byte a = pixels[(i << 2) | 0];

                        pixels[(i << 2) | 0] = r;
                        pixels[(i << 2) | 1] = g;
                        pixels[(i << 2) | 2] = b;
                        pixels[(i << 2) | 3] = a;
                    }
                    image = Model.Images[new Wavefront.Image(pixels, (ushort)texture.Width, (ushort)texture.Height)];

                    map_d = new Wavefront.MaterialMap(
                        image,
                        Clamp: (material.HasClampUV) ? true : (bool?)null,
                        AutoTexRes: true);
                }

                var map_Ka = map_d;

                if (!map_d.IsOmitted)
                {
                    if (
                        TextureFormats.GetFormat(material.format).AlphaDepth == 0 ||
                        (!image.AlphaVariance && image.AlphaValue == 255))
                    {
                        map_d = default(Wavefront.MaterialMap);
                    }
                    else
                    {
                        map_d = new Wavefront.MaterialMap(ref map_d,
                                                          Channel: Wavefront.TextureChannel.Matte);
                    }
                }

                return(Model.Materials[new Wavefront.Material(
                                           Kd: Kd,
                                           Ka: Kd,
                                           map_Ka: map_Ka,
                                           map_Kd: map_Ka,
                                           map_d: map_d,
                                           d: map_d.IsOmitted ? default(Wavefront.MaterialD) : (Wavefront.MaterialD) 0.0,
                                           illum: material.CalcuateDefaultIlluminationMode(image == (object)null ? true : (!image.AlphaVariance && image.AlphaValue == 255))
                                           )]);
            }