public UnityEngine.Material CreateMaterial(PbrMaterial vpxMaterial, TableBehavior 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, TableBehavior 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); }