forked from BilalY/Rasagar
350 lines
15 KiB
C#
350 lines
15 KiB
C#
|
using System.IO;
|
||
|
|
using UnityEngine;
|
||
|
|
using UnityEngine.Rendering;
|
||
|
|
using UnityEngine.Rendering.HighDefinition;
|
||
|
|
#if UNITY_2020_2_OR_NEWER
|
||
|
|
using UnityEditor.AssetImporters;
|
||
|
|
#else
|
||
|
|
using UnityEditor.Experimental.AssetImporters;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
namespace UnityEditor.Rendering.HighDefinition
|
||
|
|
{
|
||
|
|
class FBXArnoldSurfaceMaterialDescriptionPreprocessor : AssetPostprocessor
|
||
|
|
{
|
||
|
|
static readonly uint k_Version = 3;
|
||
|
|
static readonly int k_Order = -960;
|
||
|
|
static readonly string k_ShaderPath = "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Arnold/ArnoldStandardSurface.shadergraph";
|
||
|
|
|
||
|
|
public override uint GetVersion()
|
||
|
|
{
|
||
|
|
return k_Version;
|
||
|
|
}
|
||
|
|
|
||
|
|
public override int GetPostprocessOrder()
|
||
|
|
{
|
||
|
|
return k_Order;
|
||
|
|
}
|
||
|
|
|
||
|
|
static bool IsMayaArnoldStandardSurfaceMaterial(MaterialDescription description)
|
||
|
|
{
|
||
|
|
float typeId;
|
||
|
|
description.TryGetProperty("TypeId", out typeId);
|
||
|
|
return typeId == 1138001;
|
||
|
|
}
|
||
|
|
|
||
|
|
static bool Is3DsMaxArnoldStandardSurfaceMaterial(MaterialDescription description)
|
||
|
|
{
|
||
|
|
float classIdA;
|
||
|
|
float classIdB;
|
||
|
|
string originalMtl;
|
||
|
|
description.TryGetProperty("ClassIDa", out classIdA);
|
||
|
|
description.TryGetProperty("ClassIDb", out classIdB);
|
||
|
|
description.TryGetProperty("ORIGINAL_MTL", out originalMtl);
|
||
|
|
return classIdA == 2121471519 && classIdB == 1660373836 && originalMtl != "PHYSICAL_MTL";
|
||
|
|
}
|
||
|
|
|
||
|
|
public void OnPreprocessMaterialDescription(MaterialDescription description, Material material, AnimationClip[] clips)
|
||
|
|
{
|
||
|
|
if (HDRenderPipeline.currentAsset == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
var lowerCasePath = Path.GetExtension(assetPath).ToLower();
|
||
|
|
if (lowerCasePath == ".fbx")
|
||
|
|
{
|
||
|
|
if (IsMayaArnoldStandardSurfaceMaterial(description))
|
||
|
|
CreateFromMayaArnoldStandardSurfaceMaterial(description, material, clips);
|
||
|
|
else if (Is3DsMaxArnoldStandardSurfaceMaterial(description))
|
||
|
|
CreateFrom3DsMaxArnoldStandardSurfaceMaterial(description, material, clips);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CreateFromMayaArnoldStandardSurfaceMaterial(MaterialDescription description, Material material, AnimationClip[] clips)
|
||
|
|
{
|
||
|
|
float floatProperty;
|
||
|
|
Vector4 vectorProperty;
|
||
|
|
TexturePropertyDescription textureProperty;
|
||
|
|
|
||
|
|
|
||
|
|
var shader = AssetDatabase.LoadAssetAtPath<Shader>(k_ShaderPath);
|
||
|
|
|
||
|
|
if (shader == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
|
||
|
|
material.shader = shader;
|
||
|
|
foreach (var clip in clips)
|
||
|
|
{
|
||
|
|
clip.ClearCurves();
|
||
|
|
}
|
||
|
|
|
||
|
|
float opacity = 1.0f;
|
||
|
|
Vector4 opacityColor;
|
||
|
|
TexturePropertyDescription opacityMap;
|
||
|
|
description.TryGetProperty("opacity", out opacityColor);
|
||
|
|
bool hasOpacityMap = description.TryGetProperty("opacity", out opacityMap);
|
||
|
|
opacity = Mathf.Min(Mathf.Min(opacityColor.x, opacityColor.y), opacityColor.z);
|
||
|
|
|
||
|
|
float transmission;
|
||
|
|
description.TryGetProperty("transmission", out transmission);
|
||
|
|
if (opacity == 1.0f && !hasOpacityMap)
|
||
|
|
{
|
||
|
|
opacity = 1.0f - transmission;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (opacity < 1.0f || hasOpacityMap)
|
||
|
|
{
|
||
|
|
if (hasOpacityMap)
|
||
|
|
{
|
||
|
|
material.SetTexture("_OPACITY_MAP", opacityMap.texture);
|
||
|
|
material.SetFloat("_OPACITY", 1.0f);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
material.SetFloat("_OPACITY", opacity);
|
||
|
|
}
|
||
|
|
|
||
|
|
material.SetInt("_SrcBlend", 1);
|
||
|
|
material.SetInt("_DstBlend", 10);
|
||
|
|
material.SetFloat("_BlendMode", (float)BlendingMode.Alpha);
|
||
|
|
material.SetFloat("_EnableBlendModePreserveSpecularLighting", 1.0f);
|
||
|
|
material.EnableKeyword("_ALPHAPREMULTIPLY_ON");
|
||
|
|
material.EnableKeyword("_SURFACE_TYPE_TRANSPARENT");
|
||
|
|
material.EnableKeyword("_ENABLE_FOG_ON_TRANSPARENT");
|
||
|
|
material.renderQueue = 3000;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
material.EnableKeyword("_DOUBLESIDED_ON");
|
||
|
|
material.SetInt("_CullMode", 0);
|
||
|
|
material.SetInt("_CullModeForward", 0);
|
||
|
|
material.doubleSidedGI = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
description.TryGetProperty("base", out floatProperty);
|
||
|
|
|
||
|
|
if (description.TryGetProperty("baseColor", out textureProperty))
|
||
|
|
{
|
||
|
|
SetMaterialTextureProperty("_BASE_COLOR_MAP", material, textureProperty);
|
||
|
|
material.SetColor("_BASE_COLOR", Color.white * floatProperty);
|
||
|
|
}
|
||
|
|
else if (description.TryGetProperty("baseColor", out vectorProperty))
|
||
|
|
{
|
||
|
|
if (QualitySettings.activeColorSpace == ColorSpace.Gamma)
|
||
|
|
{
|
||
|
|
vectorProperty.x = Mathf.LinearToGammaSpace(vectorProperty.x);
|
||
|
|
vectorProperty.y = Mathf.LinearToGammaSpace(vectorProperty.y);
|
||
|
|
vectorProperty.z = Mathf.LinearToGammaSpace(vectorProperty.z);
|
||
|
|
}
|
||
|
|
material.SetColor("_BASE_COLOR", vectorProperty * floatProperty);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (description.TryGetProperty("emission", out floatProperty) && floatProperty > 0.0f)
|
||
|
|
{
|
||
|
|
remapPropertyColorOrTexture(description, material, "emissionColor", "_EMISSION_COLOR", floatProperty);
|
||
|
|
}
|
||
|
|
|
||
|
|
remapPropertyFloatOrTexture(description, material, "metalness", "_METALNESS");
|
||
|
|
|
||
|
|
remapPropertyFloat(description, material, "specular", "_SPECULAR_WEIGHT");
|
||
|
|
|
||
|
|
remapPropertyColorOrTexture(description, material, "specularColor", "_SPECULAR_COLOR");
|
||
|
|
remapPropertyFloatOrTexture(description, material, "specularRoughness", "_SPECULAR_ROUGHNESS");
|
||
|
|
remapPropertyFloatOrTexture(description, material, "specularIOR", "_SPECULAR_IOR");
|
||
|
|
remapPropertyFloatOrTexture(description, material, "specularAnisotropy", "_SPECULAR_ANISOTROPY");
|
||
|
|
remapPropertyFloatOrTexture(description, material, "specularRotation", "_SPECULAR_ROTATION");
|
||
|
|
|
||
|
|
remapPropertyTexture(description, material, "normalCamera", "_NORMAL_MAP");
|
||
|
|
|
||
|
|
remapPropertyFloat(description, material, "coat", "_COAT_WEIGHT");
|
||
|
|
remapPropertyColorOrTexture(description, material, "coatColor", "_COAT_COLOR");
|
||
|
|
remapPropertyFloatOrTexture(description, material, "coatRoughness", "_COAT_ROUGHNESS");
|
||
|
|
remapPropertyFloatOrTexture(description, material, "coatIOR", "_COAT_IOR");
|
||
|
|
remapPropertyTexture(description, material, "coatNormal", "_COAT_NORMAL");
|
||
|
|
}
|
||
|
|
|
||
|
|
void CreateFrom3DsMaxArnoldStandardSurfaceMaterial(MaterialDescription description, Material material, AnimationClip[] clips)
|
||
|
|
{
|
||
|
|
float floatProperty;
|
||
|
|
Vector4 vectorProperty;
|
||
|
|
TexturePropertyDescription textureProperty;
|
||
|
|
|
||
|
|
var shader = AssetDatabase.LoadAssetAtPath<Shader>(k_ShaderPath);
|
||
|
|
|
||
|
|
if (shader == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
|
||
|
|
material.shader = shader;
|
||
|
|
foreach (var clip in clips)
|
||
|
|
{
|
||
|
|
clip.ClearCurves();
|
||
|
|
}
|
||
|
|
|
||
|
|
float opacity = 1.0f;
|
||
|
|
Vector4 opacityColor;
|
||
|
|
TexturePropertyDescription opacityMap;
|
||
|
|
description.TryGetProperty("opacity", out opacityColor);
|
||
|
|
bool hasOpacityMap = description.TryGetProperty("opacity", out opacityMap);
|
||
|
|
opacity = Mathf.Min(Mathf.Min(opacityColor.x, opacityColor.y), opacityColor.z);
|
||
|
|
|
||
|
|
float transmission;
|
||
|
|
description.TryGetProperty("transmission", out transmission);
|
||
|
|
if (opacity == 1.0f && !hasOpacityMap)
|
||
|
|
{
|
||
|
|
opacity = 1.0f - transmission;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (opacity < 1.0f || hasOpacityMap)
|
||
|
|
{
|
||
|
|
if (hasOpacityMap)
|
||
|
|
{
|
||
|
|
material.SetTexture("_OPACITY_MAP", opacityMap.texture);
|
||
|
|
material.SetFloat("_OPACITY", 1.0f);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
material.SetFloat("_OPACITY", opacity);
|
||
|
|
}
|
||
|
|
|
||
|
|
material.SetInt("_SrcBlend", 1);
|
||
|
|
material.SetInt("_DstBlend", 10);
|
||
|
|
material.SetFloat("_BlendMode", (float)BlendingMode.Alpha);
|
||
|
|
material.SetFloat("_EnableBlendModePreserveSpecularLighting", 1.0f);
|
||
|
|
material.EnableKeyword("_ALPHAPREMULTIPLY_ON");
|
||
|
|
material.EnableKeyword("_SURFACE_TYPE_TRANSPARENT");
|
||
|
|
material.EnableKeyword("_ENABLE_FOG_ON_TRANSPARENT");
|
||
|
|
material.renderQueue = 3000;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
material.EnableKeyword("_DOUBLESIDED_ON");
|
||
|
|
material.SetInt("_CullMode", 0);
|
||
|
|
material.SetInt("_CullModeForward", 0);
|
||
|
|
material.doubleSidedGI = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
description.TryGetProperty("base", out floatProperty);
|
||
|
|
|
||
|
|
if (description.TryGetProperty("base_color.shader", out textureProperty))
|
||
|
|
{
|
||
|
|
SetMaterialTextureProperty("_BASE_COLOR_MAP", material, textureProperty);
|
||
|
|
material.SetColor("_BASE_COLOR", Color.white * floatProperty);
|
||
|
|
}
|
||
|
|
else if (description.TryGetProperty("base_color", out vectorProperty))
|
||
|
|
{
|
||
|
|
if (QualitySettings.activeColorSpace == ColorSpace.Gamma)
|
||
|
|
{
|
||
|
|
vectorProperty.x = Mathf.LinearToGammaSpace(vectorProperty.x);
|
||
|
|
vectorProperty.y = Mathf.LinearToGammaSpace(vectorProperty.y);
|
||
|
|
vectorProperty.z = Mathf.LinearToGammaSpace(vectorProperty.z);
|
||
|
|
}
|
||
|
|
material.SetColor("_BASE_COLOR", vectorProperty * floatProperty);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (description.TryGetProperty("emission", out floatProperty) && floatProperty > 0.0f)
|
||
|
|
{
|
||
|
|
remapPropertyColorOrTexture3DsMax(description, material, "emission_color", "_EMISSION_COLOR", floatProperty);
|
||
|
|
}
|
||
|
|
|
||
|
|
remapPropertyFloatOrTexture3DsMax(description, material, "metalness", "_METALNESS");
|
||
|
|
|
||
|
|
remapPropertyFloat(description, material, "specular", "_SPECULAR_WEIGHT");
|
||
|
|
|
||
|
|
remapPropertyColorOrTexture3DsMax(description, material, "specular_color", "_SPECULAR_COLOR");
|
||
|
|
remapPropertyFloatOrTexture3DsMax(description, material, "specular_roughness", "_SPECULAR_ROUGHNESS");
|
||
|
|
remapPropertyFloatOrTexture3DsMax(description, material, "specular_IOR", "_SPECULAR_IOR");
|
||
|
|
remapPropertyFloatOrTexture3DsMax(description, material, "specular_anisotropy", "_SPECULAR_ANISOTROPY");
|
||
|
|
remapPropertyFloatOrTexture(description, material, "specular_rotation", "_SPECULAR_ROTATION");
|
||
|
|
|
||
|
|
remapPropertyTexture(description, material, "normal_camera", "_NORMAL_MAP");
|
||
|
|
|
||
|
|
remapPropertyFloat(description, material, "coat", "_COAT_WEIGHT");
|
||
|
|
remapPropertyColorOrTexture3DsMax(description, material, "coat_color", "_COAT_COLOR");
|
||
|
|
remapPropertyFloatOrTexture3DsMax(description, material, "coat_roughness", "_COAT_ROUGHNESS");
|
||
|
|
remapPropertyFloatOrTexture3DsMax(description, material, "coat_IOR", "_COAT_IOR");
|
||
|
|
remapPropertyTexture(description, material, "coat_normal", "_COAT_NORMAL");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void SetMaterialTextureProperty(string propertyName, Material material, TexturePropertyDescription textureProperty)
|
||
|
|
{
|
||
|
|
material.SetTexture(propertyName, textureProperty.texture);
|
||
|
|
material.SetTextureOffset(propertyName, textureProperty.offset);
|
||
|
|
material.SetTextureScale(propertyName, textureProperty.scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void remapPropertyFloat(MaterialDescription description, Material material, string inPropName, string outPropName)
|
||
|
|
{
|
||
|
|
if (description.TryGetProperty(inPropName, out float floatProperty))
|
||
|
|
{
|
||
|
|
material.SetFloat(outPropName, floatProperty);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void remapPropertyTexture(MaterialDescription description, Material material, string inPropName, string outPropName)
|
||
|
|
{
|
||
|
|
if (description.TryGetProperty(inPropName, out TexturePropertyDescription textureProperty))
|
||
|
|
{
|
||
|
|
material.SetTexture(outPropName, textureProperty.texture);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void remapPropertyColorOrTexture3DsMax(MaterialDescription description, Material material, string inPropName, string outPropName, float multiplier = 1.0f)
|
||
|
|
{
|
||
|
|
if (description.TryGetProperty(inPropName + ".shader", out TexturePropertyDescription textureProperty))
|
||
|
|
{
|
||
|
|
material.SetTexture(outPropName + "_MAP", textureProperty.texture);
|
||
|
|
material.SetColor(outPropName, Color.white * multiplier);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
description.TryGetProperty(inPropName, out Vector4 vectorProperty);
|
||
|
|
material.SetColor(outPropName, vectorProperty * multiplier);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void remapPropertyFloatOrTexture3DsMax(MaterialDescription description, Material material, string inPropName, string outPropName)
|
||
|
|
{
|
||
|
|
if (description.TryGetProperty(inPropName, out TexturePropertyDescription textureProperty))
|
||
|
|
{
|
||
|
|
material.SetTexture(outPropName + "_MAP", textureProperty.texture);
|
||
|
|
material.SetFloat(outPropName, 1.0f);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
description.TryGetProperty(inPropName, out float floatProperty);
|
||
|
|
material.SetFloat(outPropName, floatProperty);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void remapPropertyColorOrTexture(MaterialDescription description, Material material, string inPropName, string outPropName, float multiplier = 1.0f)
|
||
|
|
{
|
||
|
|
if (description.TryGetProperty(inPropName, out TexturePropertyDescription textureProperty))
|
||
|
|
{
|
||
|
|
material.SetTexture(outPropName + "_MAP", textureProperty.texture);
|
||
|
|
material.SetColor(outPropName, Color.white * multiplier);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
description.TryGetProperty(inPropName, out Vector4 vectorProperty);
|
||
|
|
material.SetColor(outPropName, vectorProperty * multiplier);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void remapPropertyFloatOrTexture(MaterialDescription description, Material material, string inPropName, string outPropName)
|
||
|
|
{
|
||
|
|
if (description.TryGetProperty(inPropName, out TexturePropertyDescription textureProperty))
|
||
|
|
{
|
||
|
|
material.SetTexture(outPropName + "_MAP", textureProperty.texture);
|
||
|
|
material.SetFloat(outPropName, 1.0f);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
description.TryGetProperty(inPropName, out float floatProperty);
|
||
|
|
material.SetFloat(outPropName, floatProperty);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|