343 lines
16 KiB
C#
343 lines
16 KiB
C#
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using UnityEngine;
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using UnityEditor.AssetImporters;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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namespace UnityEditor.Rendering.Universal
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{
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class AutodeskInteractiveMaterialImport : AssetPostprocessor
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{
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static readonly uint k_Version = 2;
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static readonly int k_Order = -970;
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public override uint GetVersion()
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{
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return k_Version;
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}
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public override int GetPostprocessOrder()
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{
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return k_Order;
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}
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public void OnPreprocessMaterialDescription(MaterialDescription description, Material material, AnimationClip[] clips)
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{
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var pipelineAsset = GraphicsSettings.currentRenderPipeline;
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if (!pipelineAsset || pipelineAsset.GetType() != typeof(UniversalRenderPipelineAsset))
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return;
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if (IsAutodeskInteractiveMaterial(description))
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{
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float floatProperty;
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Vector4 vectorProperty;
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TexturePropertyDescription textureProperty;
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bool isMasked = description.TryGetProperty("mask_threshold", out floatProperty);
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bool isTransparent = description.TryGetProperty("opacity", out floatProperty);
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Shader shader;
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if (isMasked)
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shader = GraphicsSettings.currentRenderPipeline.autodeskInteractiveMaskedShader;
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else if (isTransparent)
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shader = GraphicsSettings.currentRenderPipeline.autodeskInteractiveTransparentShader;
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else
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shader = GraphicsSettings.currentRenderPipeline.autodeskInteractiveShader;
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if (shader == null)
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return;
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material.shader = shader;
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foreach (var clip in clips)
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{
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clip.ClearCurves();
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}
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if (description.TryGetProperty("base_color", out vectorProperty))
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material.SetColor("_Color", vectorProperty);
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if (description.TryGetProperty("emissive", out vectorProperty))
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material.SetColor("_EmissionColor", vectorProperty);
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if (description.TryGetProperty("roughness", out floatProperty))
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material.SetFloat("_Roughness", floatProperty);
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if (description.TryGetProperty("metallic", out floatProperty))
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material.SetFloat("_Metallic", floatProperty);
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if (description.TryGetProperty("uvTransform", out vectorProperty))
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{
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material.SetVector("_UvOffset", new Vector4(vectorProperty.x, vectorProperty.y, .0f, .0f));
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material.SetVector("_UvTiling", new Vector4(vectorProperty.w, vectorProperty.z, .0f, .0f));
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}
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if (description.TryGetProperty("TEX_color_map", out textureProperty))
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{
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material.SetTexture("_MainTex", textureProperty.texture);
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material.SetFloat("_UseColorMap", 1.0f);
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}
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else
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{
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material.SetFloat("_UseColorMap", 0.0f);
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}
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if (description.TryGetProperty("TEX_normal_map", out textureProperty))
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{
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material.SetTexture("_BumpMap", textureProperty.texture);
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material.SetFloat("_UseNormalMap", 1.0f);
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}
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else
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{
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material.SetFloat("_UseNormalMap", 0.0f);
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}
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if (description.TryGetProperty("TEX_roughness_map", out textureProperty))
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{
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material.SetTexture("RoughnessMap", textureProperty.texture);
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material.SetFloat("_UseRoughnessMap", 1.0f);
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}
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else
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{
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material.SetFloat("_UseRoughnessMap", 0.0f);
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}
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if (description.TryGetProperty("TEX_metallic_map", out textureProperty))
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{
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material.SetTexture("_MetallicMap", textureProperty.texture);
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material.SetFloat("_UseMetallicMap", 1.0f);
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}
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else
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{
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material.SetFloat("_UseMetallicMap", 0.0f);
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}
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if (description.TryGetProperty("TEX_emissive_map", out textureProperty))
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{
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material.SetTexture("_EmissionMap", textureProperty.texture);
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material.SetFloat("_UseEmissiveMap", 1.0f);
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}
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else
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{
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material.SetFloat("_UseEmissiveMap", 0.0f);
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}
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if (description.TryGetProperty("hasTransparencyTexture", out floatProperty))
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material.SetFloat("_UseOpacityMap", floatProperty);
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if (description.TryGetProperty("transparencyMaskThreshold", out floatProperty))
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material.SetFloat("_OpacityThreshold", floatProperty);
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if (description.TryGetProperty("TEX_ao_map", out textureProperty))
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{
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var tex = AssetDatabase.LoadAssetAtPath<Texture>(textureProperty.relativePath);
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material.SetTexture("AoMap", tex);
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material.SetFloat("UseAoMap", 1.0f);
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}
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else
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{
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material.SetFloat("UseAoMap", 0.0f);
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}
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RemapColorCurves(description, clips, "base_color", "_Color");
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RemapCurve(description, clips, "mask_threshold", "_Cutoff");
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RemapCurve(description, clips, "metallic", "_Metallic");
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RemapCurve(description, clips, "roughness", "_Glossiness");
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for (int i = 0; i < clips.Length; i++)
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{
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if (description.HasAnimationCurveInClip(clips[i].name, "uv_scale.x") || description.HasAnimationCurveInClip(clips[i].name, "uv_scale.y"))
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{
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AnimationCurve curve;
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if (description.TryGetAnimationCurve(clips[i].name, "uv_scale.x", out curve))
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clips[i].SetCurve("", typeof(Material), "_UvTiling.x", curve);
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else
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clips[i].SetCurve("", typeof(Material), "_UvTiling.x", AnimationCurve.Constant(0.0f, 1.0f, 1.0f));
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if (description.TryGetAnimationCurve(clips[i].name, "uv_scale.y", out curve))
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clips[i].SetCurve("", typeof(Material), "_UvTiling.y", curve);
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else
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clips[i].SetCurve("", typeof(Material), "_UvTiling.y", AnimationCurve.Constant(0.0f, 1.0f, 1.0f));
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}
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if (description.HasAnimationCurveInClip(clips[i].name, "uv_offset.x") || description.HasAnimationCurveInClip(clips[i].name, "uv_offset.y"))
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{
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AnimationCurve curve;
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if (description.TryGetAnimationCurve(clips[i].name, "uv_offset.x", out curve))
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clips[i].SetCurve("", typeof(Material), "_UvOffset.x", curve);
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else
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clips[i].SetCurve("", typeof(Material), "_UvOffset.x", AnimationCurve.Constant(0.0f, 1.0f, 0.0f));
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if (description.TryGetAnimationCurve(clips[i].name, "uv_offset.y", out curve))
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{
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ConvertKeys(curve, ConvertFloatNegate);
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clips[i].SetCurve("", typeof(Material), "_UvOffset.y", curve);
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}
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else
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clips[i].SetCurve("", typeof(Material), "_UvOffset.y", AnimationCurve.Constant(0.0f, 1.0f, 0.0f));
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}
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}
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if (description.HasAnimationCurve("emissive_intensity"))
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{
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Vector4 emissiveColor;
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description.TryGetProperty("emissive", out emissiveColor);
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for (int i = 0; i < clips.Length; i++)
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{
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AnimationCurve curve;
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description.TryGetAnimationCurve(clips[i].name, "emissive_intensity", out curve);
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// remap emissive intensity to emission color
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.r", curve);
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.g", curve);
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.b", curve);
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}
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}
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else if (description.TryGetProperty("emissive", out vectorProperty))
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{
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if (vectorProperty.x > 0.0f || vectorProperty.y > 0.0f || vectorProperty.z > 0.0f)
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{
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material.globalIlluminationFlags |= MaterialGlobalIlluminationFlags.RealtimeEmissive;
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material.EnableKeyword("_EMISSION");
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}
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if (description.TryGetProperty("emissive_intensity", out floatProperty))
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{
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vectorProperty *= floatProperty;
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}
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material.SetColor("_EmissionColor", vectorProperty);
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if (description.HasAnimationCurve("emissive.x"))
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{
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if (description.HasAnimationCurve("emissive_intensity"))
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{
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// combine color and intensity.
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for (int i = 0; i < clips.Length; i++)
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{
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AnimationCurve curve;
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AnimationCurve intensityCurve;
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description.TryGetAnimationCurve(clips[i].name, "emissive_intensity", out intensityCurve);
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description.TryGetAnimationCurve(clips[i].name, "emissive.x", out curve);
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MultiplyCurves(curve, intensityCurve);
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.r", curve);
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description.TryGetAnimationCurve(clips[i].name, "emissive.y", out curve);
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MultiplyCurves(curve, intensityCurve);
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.g", curve);
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description.TryGetAnimationCurve(clips[i].name, "emissive.z", out curve);
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MultiplyCurves(curve, intensityCurve);
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.b", curve);
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}
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}
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else
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{
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RemapColorCurves(description, clips, "emissive", "_EmissionColor");
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}
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}
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else if (description.HasAnimationCurve("emissive_intensity"))
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{
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Vector4 emissiveColor;
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description.TryGetProperty("emissive", out emissiveColor);
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for (int i = 0; i < clips.Length; i++)
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{
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AnimationCurve curve;
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description.TryGetAnimationCurve(clips[i].name, "emissive_intensity", out curve);
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// remap emissive intensity to emission color
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AnimationCurve curveR = new AnimationCurve();
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ConvertAndCopyKeys(curveR, curve, value => ConvertFloatMultiply(emissiveColor.x, value));
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.r", curveR);
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AnimationCurve curveG = new AnimationCurve();
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ConvertAndCopyKeys(curveG, curve, value => ConvertFloatMultiply(emissiveColor.y, value));
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.g", curveG);
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AnimationCurve curveB = new AnimationCurve();
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ConvertAndCopyKeys(curveB, curve, value => ConvertFloatMultiply(emissiveColor.z, value));
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clips[i].SetCurve("", typeof(Material), "_EmissionColor.b", curveB);
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}
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}
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}
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}
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}
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static bool IsAutodeskInteractiveMaterial(MaterialDescription description)
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{
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return description.TryGetProperty("renderAPI", out string stringValue) && stringValue == "SFX_PBS_SHADER";
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}
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static void ConvertKeys(AnimationCurve curve, System.Func<float, float> convertionDelegate)
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{
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Keyframe[] keyframes = curve.keys;
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for (int i = 0; i < keyframes.Length; i++)
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{
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keyframes[i].value = convertionDelegate(keyframes[i].value);
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}
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curve.keys = keyframes;
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}
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static void ConvertAndCopyKeys(AnimationCurve curveDest, AnimationCurve curveSource, System.Func<float, float> convertionDelegate)
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{
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for (int i = 0; i < curveSource.keys.Length; i++)
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{
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var sourceKey = curveSource.keys[i];
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curveDest.AddKey(new Keyframe(sourceKey.time, convertionDelegate(sourceKey.value), sourceKey.inTangent, sourceKey.outTangent, sourceKey.inWeight, sourceKey.outWeight));
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}
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}
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static float ConvertFloatNegate(float value)
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{
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return -value;
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}
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static float ConvertFloatMultiply(float value, float multiplier)
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{
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return value * multiplier;
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}
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static void MultiplyCurves(AnimationCurve curve, AnimationCurve curveMultiplier)
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{
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Keyframe[] keyframes = curve.keys;
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for (int i = 0; i < keyframes.Length; i++)
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{
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keyframes[i].value *= curveMultiplier.Evaluate(keyframes[i].time);
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}
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curve.keys = keyframes;
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}
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static void RemapCurve(MaterialDescription description, AnimationClip[] clips, string originalPropertyName, string newPropertyName)
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{
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AnimationCurve curve;
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for (int i = 0; i < clips.Length; i++)
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{
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if (description.TryGetAnimationCurve(clips[i].name, originalPropertyName, out curve))
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{
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clips[i].SetCurve("", typeof(Material), newPropertyName, curve);
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}
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}
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}
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static void RemapColorCurves(MaterialDescription description, AnimationClip[] clips, string originalPropertyName, string newPropertyName)
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{
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AnimationCurve curve;
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for (int i = 0; i < clips.Length; i++)
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{
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if (description.TryGetAnimationCurve(clips[i].name, originalPropertyName + ".x", out curve))
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{
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clips[i].SetCurve("", typeof(Material), newPropertyName + ".r", curve);
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}
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if (description.TryGetAnimationCurve(clips[i].name, originalPropertyName + ".y", out curve))
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{
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clips[i].SetCurve("", typeof(Material), newPropertyName + ".g", curve);
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}
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if (description.TryGetAnimationCurve(clips[i].name, originalPropertyName + ".z", out curve))
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{
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clips[i].SetCurve("", typeof(Material), newPropertyName + ".b", curve);
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}
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}
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}
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}
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}
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