public UnityEngine.Material CreateMaterial(PbrMaterial vpxMaterial, TableAuthoring table, StringBuilder debug = null)
{
var unityMaterial = new UnityEngine.Material(GetShader())
{
name = vpxMaterial.Id
};
// apply some basic manipulations to the color. this just makes very
// very white colors be clipped to 0.8204 aka 204/255 is 0.8
// this is to give room to lighting values. so there is more modulation
// of brighter colors when being lit without blow outs too soon.
var col = vpxMaterial.Color.ToUnityColor();
if (vpxMaterial.Color.IsGray() && col.grayscale > 0.8)
{
debug?.AppendLine("Color manipulation performed, brightness reduced.");
col.r = col.g = col.b = 0.8f;
}
// alpha for color depending on blend mode
ApplyBlendMode(unityMaterial, vpxMaterial.MapBlendMode);
if (vpxMaterial.MapBlendMode == BlendMode.Translucent)
{
col.a = Mathf.Min(1, Mathf.Max(0, vpxMaterial.Opacity));
}
unityMaterial.SetColor(BaseColor, col);
// validate IsMetal. if true, set the metallic value.
// found VPX authors setting metallic as well as translucent at the
// same time, which does not render correctly in unity so we have
// to check if this value is true and also if opacity <= 1.
if (vpxMaterial.IsMetal && (!vpxMaterial.IsOpacityActive || vpxMaterial.Opacity >= 1))
{
unityMaterial.SetFloat(Metallic, 1f);
debug?.AppendLine("Metallic set to 1.");
}
// roughness / glossiness
unityMaterial.SetFloat(Smoothness, vpxMaterial.Roughness);
// map
if (table != null && vpxMaterial.HasMap)
{
unityMaterial.SetTexture(BaseMap, table.GetTexture(vpxMaterial.Map.Name));
}
// normal map
if (table != null && vpxMaterial.HasNormalMap)
{
unityMaterial.EnableKeyword("_NORMALMAP");
unityMaterial.SetTexture(BumpMap, table.GetTexture(vpxMaterial.NormalMap.Name)
);
}
return(unityMaterial);
}
public UnityEngine.Material CreateMaterial(PbrMaterial vpxMaterial, TableAuthoring table, StringBuilder debug = null)
{
var unityMaterial = new UnityEngine.Material(GetShader())
{
name = vpxMaterial.Id
};
// apply some basic manipulations to the color. this just makes very
// very white colors be clipped to 0.8204 aka 204/255 is 0.8
// this is to give room to lighting values. so there is more modulation
// of brighter colors when being lit without blow outs too soon.
var col = vpxMaterial.Color.ToUnityColor();
if (vpxMaterial.Color.IsGray() && col.grayscale > 0.8)
{
debug?.AppendLine("Color manipulation performed, brightness reduced.");
col.r = col.g = col.b = 0.8f;
}
// alpha for color depending on blend mode
ApplyBlendMode(unityMaterial, vpxMaterial.MapBlendMode);
if (vpxMaterial.MapBlendMode == Engine.VPT.BlendMode.Translucent)
{
col.a = Mathf.Min(1, Mathf.Max(0, vpxMaterial.Opacity));
}
unityMaterial.SetColor(BaseColor, col);
// validate IsMetal. if true, set the metallic value.
// found VPX authors setting metallic as well as translucent at the
// same time, which does not render correctly in unity so we have
// to check if this value is true and also if opacity <= 1.
if (vpxMaterial.IsMetal && (!vpxMaterial.IsOpacityActive || vpxMaterial.Opacity >= 1))
{
unityMaterial.SetFloat(Metallic, 1f);
debug?.AppendLine("Metallic set to 1.");
}
// roughness / glossiness
unityMaterial.SetFloat(Smoothness, vpxMaterial.Roughness);
// map
if (table != null && vpxMaterial.HasMap)
{
unityMaterial.SetTexture(BaseColorMap, table.GetTexture(vpxMaterial.Map.Name));
}
// normal map
if (table != null && vpxMaterial.HasNormalMap)
{
unityMaterial.EnableKeyword("_NORMALMAP");
unityMaterial.EnableKeyword("_NORMALMAP_TANGENT_SPACE");
unityMaterial.SetInt(NormalMapSpace, 0); // 0 = TangentSpace, 1 = ObjectSpace
unityMaterial.SetFloat(NormalScale, 0f); // TODO FIXME: setting the scale to 0 for now. anything above 0 makes the entire unity editor window become black which is more likely a unity bug
unityMaterial.SetTexture(NormalMap, table.GetTexture(vpxMaterial.NormalMap.Name));
}
// GI hack. This is a necessary step, see respective code in BaseUnlitGUI.cs of the HDRP source
SetupMainTexForAlphaTestGI(unityMaterial, "_BaseColorMap", "_BaseColor");
return(unityMaterial);
}
