Singularity/Library/PackageCache/com.unity.render-pipelines..../Editor/AssetPostProcessors/ThreeDSMaterialDescriptionP...
2024-05-06 11:45:45 -07:00

118 lines
4.8 KiB
C#

using System;
using System.IO;
using UnityEngine;
using UnityEditor.AssetImporters;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
namespace UnityEditor.Rendering.Universal
{
class ThreeDSMaterialDescriptionPreprocessor : AssetPostprocessor
{
static readonly uint k_Version = 2;
static readonly int k_Order = -980;
public override uint GetVersion()
{
return k_Version;
}
public override int GetPostprocessOrder()
{
return k_Order;
}
public void OnPreprocessMaterialDescription(MaterialDescription description, Material material, AnimationClip[] clips)
{
var pipelineAsset = GraphicsSettings.currentRenderPipeline;
if (!pipelineAsset || pipelineAsset.GetType() != typeof(UniversalRenderPipelineAsset))
return;
var lowerCasePath = Path.GetExtension(assetPath).ToLower();
if (lowerCasePath != ".3ds")
return;
string path = AssetDatabase.GUIDToAssetPath(ShaderUtils.GetShaderGUID(ShaderPathID.Lit));
var shader = AssetDatabase.LoadAssetAtPath<Shader>(path);
if (shader == null)
return;
material.shader = shader;
TexturePropertyDescription textureProperty;
float floatProperty;
Vector4 vectorProperty;
description.TryGetProperty("diffuse", out vectorProperty);
vectorProperty.x /= 255.0f;
vectorProperty.y /= 255.0f;
vectorProperty.z /= 255.0f;
vectorProperty.w /= 255.0f;
description.TryGetProperty("transparency", out floatProperty);
bool isTransparent = vectorProperty.w <= 0.99f || floatProperty > .0f;
if (isTransparent)
{
material.SetFloat("_Mode", 3.0f); // From C# enum BlendMode
material.SetOverrideTag("RenderType", "Transparent");
material.SetFloat("_SrcBlend", (float)UnityEngine.Rendering.BlendMode.One);
material.SetFloat("_DstBlend", (float)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
material.SetFloat("_ZWrite", 0.0f);
material.EnableKeyword("_ALPHAPREMULTIPLY_ON");
material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent;
material.SetFloat("_Surface", 1.0f);
material.EnableKeyword("_SURFACE_TYPE_TRANSPARENT");
}
else
{
material.SetFloat("_Mode", 0.0f); // From C# enum BlendMode
material.SetOverrideTag("RenderType", "");
material.SetFloat("_SrcBlend", (float)UnityEngine.Rendering.BlendMode.One);
material.SetFloat("_DstBlend", (float)UnityEngine.Rendering.BlendMode.Zero);
material.SetFloat("_ZWrite", 1.0f);
material.DisableKeyword("_ALPHATEST_ON");
material.DisableKeyword("_ALPHABLEND_ON");
material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
material.renderQueue = -1;
material.SetFloat("_Surface", 0.0f);
material.DisableKeyword("_SURFACE_TYPE_TRANSPARENT");
}
if (floatProperty > .0f)
vectorProperty.w = 1.0f - floatProperty;
Color diffuseColor = vectorProperty;
material.SetColor("_Color", PlayerSettings.colorSpace == ColorSpace.Linear ? diffuseColor.gamma : diffuseColor);
material.SetColor("_BaseColor", PlayerSettings.colorSpace == ColorSpace.Linear ? diffuseColor.gamma : diffuseColor);
if (description.TryGetProperty("EmissiveColor", out vectorProperty))
{
material.SetColor("_EmissionColor", vectorProperty);
material.globalIlluminationFlags |= MaterialGlobalIlluminationFlags.RealtimeEmissive;
material.EnableKeyword("_EMISSION");
}
if (description.TryGetProperty("texturemap1", out textureProperty))
{
SetMaterialTextureProperty("_BaseMap", material, textureProperty);
}
if (description.TryGetProperty("bumpmap", out textureProperty))
{
if (material.HasProperty("_BumpMap"))
{
SetMaterialTextureProperty("_BumpMap", material, textureProperty);
material.EnableKeyword("_NORMALMAP");
}
}
}
static void SetMaterialTextureProperty(string propertyName, Material material, TexturePropertyDescription textureProperty)
{
material.SetTexture(propertyName, textureProperty.texture);
material.SetTextureOffset(propertyName, textureProperty.offset);
material.SetTextureScale(propertyName, textureProperty.scale);
}
}
}