public static void SetMaterialKeywords(this Material material, Texture.TextureType texType, bool isMetal = false)
{
material.SetKeyword("_NORMALMAP", material.GetTexture("_BumpMap") || material.GetTexture("_DetailNormalMap"));
if (texType == Texture.TextureType.Specular)
{
material.SetKeyword("_SPECGLOSSMAP", material.GetTexture("_SpecGlossMap"));
}
else if (texType == Texture.TextureType.Specular && isMetal)
{
material.SetKeyword("_METALLICGLOSSMAP", material.GetTexture("_MetallicGlossMap"));
}
material.SetKeyword("_PARALLAXMAP", material.GetTexture("_ParallaxMap"));
material.SetKeyword("_DETAIL_MULX2", material.GetTexture("_DetailAlbedoMap") || material.GetTexture("_DetailNormalMap"));
material.FixupEmissiveFlag();
bool state = (material.globalIlluminationFlags & MaterialGlobalIlluminationFlags.EmissiveIsBlack) == MaterialGlobalIlluminationFlags.None;
material.SetKeyword("_EMISSION", state);
if (material.HasProperty("_SmoothnessTextureChannel"))
{
material.SetKeyword("_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A", material.GetSmoothnessMapChannel() == 1 /*SmoothnessMapChannel.AlbedoAlpha*/);
}
}
/// <summary>
/// Method to add a texture to the set of textures of current material
/// Note the texture type is used as an index into the array of textures
/// </summary>
/// <param name="type">The type of the texture</param>
/// <param name="texture">The texture</param>
public void SetTexture(Texture.TextureType type, Texture texture)
{
textures[(int)type] = texture;
}