public static void SetSampler(this Texture2D texture, GLTFTextureSampler sampler)
{
if (texture == null)
{
return;
}
var wrapModes = GetUnityWrapModes(sampler);
foreach (var kv in wrapModes)
{
switch (kv.Key)
{
case TextureWrapType.All:
texture.wrapMode = kv.Value;
break;
case TextureWrapType.U:
texture.wrapModeU = kv.Value;
break;
case TextureWrapType.V:
texture.wrapModeV = kv.Value;
break;
case TextureWrapType.W:
texture.wrapModeW = kv.Value;
break;
default:
throw new NotImplementedException();
}
}
texture.filterMode = sampler.minFilter.ToFilterMode();
}
private static IEnumerable <KeyValuePair <TextureWrapType, TextureWrapMode> > GetUnityWrapModes(GLTFTextureSampler sampler)
{
if (sampler.wrapS == sampler.wrapT)
{
switch (sampler.wrapS)
{
case GLTFWrap.NONE: // default
yield return(TypeWithMode(TextureWrapType.All, TextureWrapMode.Repeat));
break;
case GLTFWrap.CLAMP_TO_EDGE:
yield return(TypeWithMode(TextureWrapType.All, TextureWrapMode.Clamp));
break;
case GLTFWrap.REPEAT:
yield return(TypeWithMode(TextureWrapType.All, TextureWrapMode.Repeat));
break;
case GLTFWrap.MIRRORED_REPEAT:
yield return(TypeWithMode(TextureWrapType.All, TextureWrapMode.Mirror));
break;
default:
throw new NotImplementedException();
}
}
else
{
switch (sampler.wrapS)
{
case GLTFWrap.NONE: // default
yield return(TypeWithMode(TextureWrapType.U, TextureWrapMode.Repeat));
break;
case GLTFWrap.CLAMP_TO_EDGE:
yield return(TypeWithMode(TextureWrapType.U, TextureWrapMode.Clamp));
break;
case GLTFWrap.REPEAT:
yield return(TypeWithMode(TextureWrapType.U, TextureWrapMode.Repeat));
break;
case GLTFWrap.MIRRORED_REPEAT:
yield return(TypeWithMode(TextureWrapType.U, TextureWrapMode.Mirror));
break;
default:
throw new NotImplementedException();
}
switch (sampler.wrapT)
{
case GLTFWrap.NONE: // default
yield return(TypeWithMode(TextureWrapType.V, TextureWrapMode.Repeat));
break;
case GLTFWrap.CLAMP_TO_EDGE:
yield return(TypeWithMode(TextureWrapType.V, TextureWrapMode.Clamp));
break;
case GLTFWrap.REPEAT:
yield return(TypeWithMode(TextureWrapType.V, TextureWrapMode.Repeat));
break;
case GLTFWrap.MIRRORED_REPEAT:
yield return(TypeWithMode(TextureWrapType.V, TextureWrapMode.Mirror));
break;
default:
throw new NotImplementedException();
}
}
}
