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))
)]);
}