using System; using System.IO; using UnityEngine; using UnityEditor.AssetImporters; namespace UnityEditor.Rendering.Universal { [Obsolete("ThreeDSMaterialDescriptionPreprocessor is deprecated, consider creating a new AsserPostProcessor rather than overriding it.")] public class ThreeDSMaterialDescriptionPreprocessor : AssetPostprocessor { static readonly uint k_Version = 1; static readonly int k_Order = 2; public override uint GetVersion() { return k_Version; } public override int GetPostprocessOrder() { return k_Order; } public void OnPreprocessMaterialDescription(MaterialDescription description, Material material, AnimationClip[] clips) { var lowerCasePath = Path.GetExtension(assetPath).ToLower(); if (lowerCasePath != ".3ds") return; var shader = Shader.Find("Universal Render Pipeline/Lit"); 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", (float)3.0); // From C# enum BlendMode material.SetOverrideTag("RenderType", "Transparent"); material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One); material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha); material.SetInt("_ZWrite", 0); material.EnableKeyword("_ALPHAPREMULTIPLY_ON"); material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent; material.SetInt("_Surface", 1); } else { material.SetFloat("_Mode", (float)0.0); // From C# enum BlendMode material.SetOverrideTag("RenderType", ""); material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One); material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero); material.SetInt("_ZWrite", 1); material.DisableKeyword("_ALPHATEST_ON"); material.DisableKeyword("_ALPHABLEND_ON"); material.DisableKeyword("_ALPHAPREMULTIPLY_ON"); material.renderQueue = -1; material.SetInt("_Surface", 0); } 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); } } }