// Copyright (c) Valve Corporation, All rights reserved. ====================================================================================================== #if (UNITY_EDITOR) using System; using System.Collections.Generic; using UnityEngine; namespace UnityEditor { internal class ValveShaderGUI : ShaderGUI { public enum BlendMode { Opaque, AlphaTest, AlphaBlend, Glass, Additive // TODO: MaskedGlass that will require an additional grayscale texture to act as a standard alpha blend mask } public enum SpecularMode { None, BlinnPhong, Metallic //Anisotropic } private static class Styles { public static GUIStyle optionsButton = "PaneOptions"; public static GUIContent uvSetLabel = new GUIContent("UV Set"); public static GUIContent[] uvSetOptions = new GUIContent[] { new GUIContent("UV channel 0"), new GUIContent("UV channel 1") }; public static GUIContent unlitText = new GUIContent("Unlit", ""); public static string emptyTootip = ""; public static GUIContent albedoText = new GUIContent("Albedo", "Albedo (RGB) and Transparency (A)"); public static GUIContent alphaCutoffText = new GUIContent("Alpha Cutoff", "Threshold for alpha cutoff"); public static GUIContent specularMapText = new GUIContent("Specular", "Reflectance (RGB) and Gloss (A)"); public static GUIContent reflectanceMinText = new GUIContent("Reflectance Min", ""); public static GUIContent reflectanceMaxText = new GUIContent("Reflectance Max", ""); public static GUIContent metallicMapText = new GUIContent("Metallic", "Metallic (R) and Gloss (A)"); public static GUIContent smoothnessText = new GUIContent("Gloss", ""); public static GUIContent normalMapText = new GUIContent("Normal", "Normal Map"); //public static GUIContent heightMapText = new GUIContent("Height Map", "Height Map (G)"); public static GUIContent cubeMapScalarText = new GUIContent("Cube Map Scalar", ""); public static GUIContent occlusionText = new GUIContent("Occlusion", "Occlusion (G)"); public static GUIContent occlusionStrengthDirectDiffuseText = new GUIContent("Occlusion Direct Diffuse", ""); public static GUIContent occlusionStrengthDirectSpecularText = new GUIContent("Occlusion Direct Specular", ""); public static GUIContent occlusionStrengthIndirectDiffuseText = new GUIContent("Occlusion Indirect Diffuse", ""); public static GUIContent occlusionStrengthIndirectSpecularText = new GUIContent("Occlusion Indirect Specular", ""); public static GUIContent emissionText = new GUIContent("Emission", "Emission (RGB)"); public static GUIContent detailMaskText = new GUIContent("Detail Mask", "Mask for Secondary Maps (A)"); public static GUIContent detailAlbedoText = new GUIContent("Detail Albedo", "Detail Albedo (RGB) multiplied by 2"); public static GUIContent detailNormalMapText = new GUIContent("Detail Normal", "Detail Normal Map"); public static GUIContent overrideLightmapText = new GUIContent("Override Lightmap", "Requires ValveOverrideLightmap.cs scrip on object"); public static GUIContent worldAlignedTextureText = new GUIContent("World Aligned Texture", ""); public static GUIContent worldAlignedTextureSizeText = new GUIContent("Size", ""); public static GUIContent worldAlignedTextureNormalText = new GUIContent("Normal", ""); public static GUIContent worldAlignedTexturePositionText = new GUIContent("World Position", ""); public static string whiteSpaceString = " "; public static string primaryMapsText = "Main Maps"; public static string secondaryMapsText = "Secondary Maps"; public static string renderingMode = "Rendering Mode"; public static string specularModeText = "Specular Mode"; public static GUIContent emissiveWarning = new GUIContent("Emissive value is animated but the material has not been configured to support emissive. Please make sure the material itself has some amount of emissive."); public static GUIContent emissiveColorWarning = new GUIContent("Ensure emissive color is non-black for emission to have effect."); public static readonly string[] blendNames = Enum.GetNames(typeof(BlendMode)); public static readonly string[] specularNames = Enum.GetNames(typeof(SpecularMode)); } MaterialProperty unlit = null; MaterialProperty blendMode = null; MaterialProperty specularMode = null; MaterialProperty albedoMap = null; MaterialProperty albedoColor = null; MaterialProperty alphaCutoff = null; MaterialProperty specularMap = null; MaterialProperty specularColor = null; MaterialProperty reflectanceMin = null; MaterialProperty reflectanceMax = null; MaterialProperty metallicMap = null; MaterialProperty metallic = null; MaterialProperty smoothness = null; MaterialProperty bumpScale = null; MaterialProperty bumpMap = null; MaterialProperty cubeMapScalar = null; MaterialProperty occlusionStrength = null; MaterialProperty occlusionMap = null; MaterialProperty occlusionStrengthDirectDiffuse = null; MaterialProperty occlusionStrengthDirectSpecular = null; MaterialProperty occlusionStrengthIndirectDiffuse = null; MaterialProperty occlusionStrengthIndirectSpecular = null; //MaterialProperty heigtMapScale = null; //MaterialProperty heightMap = null; MaterialProperty emissionColorForRendering = null; MaterialProperty emissionMap = null; MaterialProperty detailMask = null; MaterialProperty detailAlbedoMap = null; MaterialProperty detailNormalMapScale = null; MaterialProperty detailNormalMap = null; MaterialProperty uvSetSecondary = null; MaterialProperty overrideLightmap = null; MaterialProperty worldAlignedTexture = null; MaterialProperty worldAlignedTextureSize = null; MaterialProperty worldAlignedTextureNormal = null; MaterialProperty worldAlignedTexturePosition = null; MaterialEditor m_MaterialEditor; ColorPickerHDRConfig m_ColorPickerHDRConfig = new ColorPickerHDRConfig(0f, 99f, 1 / 99f, 3f); bool m_FirstTimeApply = true; public void FindProperties(MaterialProperty[] props) { unlit = FindProperty("g_bUnlit", props); blendMode = FindProperty("_Mode", props); specularMode = FindProperty("_SpecularMode", props); albedoMap = FindProperty("_MainTex", props); albedoColor = FindProperty("_Color", props); alphaCutoff = FindProperty("_Cutoff", props); specularMap = FindProperty("_SpecGlossMap", props, false); specularColor = FindProperty("_SpecColor", props, false); reflectanceMin = FindProperty("g_flReflectanceMin", props); reflectanceMax = FindProperty("g_flReflectanceMax", props); metallicMap = FindProperty("_MetallicGlossMap", props, false); metallic = FindProperty("_Metallic", props, false); smoothness = FindProperty("_Glossiness", props); bumpScale = FindProperty("_BumpScale", props); bumpMap = FindProperty("_BumpMap", props); //heigtMapScale = FindProperty ("_Parallax", props); //heightMap = FindProperty("_ParallaxMap", props); cubeMapScalar = FindProperty("g_flCubeMapScalar", props); occlusionStrength = FindProperty("_OcclusionStrength", props); occlusionStrengthDirectDiffuse = FindProperty("_OcclusionStrengthDirectDiffuse", props); occlusionStrengthDirectSpecular = FindProperty("_OcclusionStrengthDirectSpecular", props); occlusionStrengthIndirectDiffuse = FindProperty("_OcclusionStrengthIndirectDiffuse", props); occlusionStrengthIndirectSpecular = FindProperty("_OcclusionStrengthIndirectSpecular", props); occlusionMap = FindProperty("_OcclusionMap", props); emissionColorForRendering = FindProperty("_EmissionColor", props); emissionMap = FindProperty("_EmissionMap", props); detailMask = FindProperty("_DetailMask", props); detailAlbedoMap = FindProperty("_DetailAlbedoMap", props); detailNormalMapScale = FindProperty("_DetailNormalMapScale", props); detailNormalMap = FindProperty("_DetailNormalMap", props); uvSetSecondary = FindProperty("_UVSec", props); overrideLightmap = FindProperty("g_tOverrideLightmap", props); worldAlignedTexture = FindProperty("g_bWorldAlignedTexture", props, false); worldAlignedTextureSize = FindProperty("g_vWorldAlignedTextureSize", props, worldAlignedTexture != null); worldAlignedTextureNormal = FindProperty("g_vWorldAlignedTextureNormal", props, worldAlignedTexture != null); worldAlignedTexturePosition = FindProperty("g_vWorldAlignedTexturePosition", props, worldAlignedTexture != null); } public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] props) { FindProperties(props); // MaterialProperties can be animated so we do not cache them but fetch them every event to ensure animated values are updated correctly m_MaterialEditor = materialEditor; Material material = materialEditor.target as Material; ShaderPropertiesGUI(material); // Make sure that needed keywords are set up if we're switching some existing // material to a standard shader. if (m_FirstTimeApply) { SetMaterialKeywords(material); m_FirstTimeApply = false; } } public void Vector3GUI(GUIContent label, MaterialProperty materialProperty) { Vector4 v4 = materialProperty.vectorValue; Vector3 v3 = EditorGUILayout.Vector3Field(label, new Vector3(v4.x, v4.y, v4.z)); materialProperty.vectorValue = new Vector4(v3.x, v3.y, v3.z, 0.0f); } public void ShaderPropertiesGUI(Material material) { // Use default labelWidth EditorGUIUtility.labelWidth = 0f; // Detect any changes to the material EditorGUI.BeginChangeCheck(); { m_MaterialEditor.ShaderProperty(unlit, Styles.unlitText.text); bool bUnlit = (unlit.floatValue != 0.0f); BlendModePopup(); if (!bUnlit) { SpecularModePopup(); } EditorGUILayout.Space(); //GUILayout.Label( Styles.primaryMapsText, EditorStyles.boldLabel ); DoAlbedoArea(material); if (!bUnlit) { m_MaterialEditor.TexturePropertySingleLine(Styles.normalMapText, bumpMap, bumpMap.textureValue != null ? bumpScale : null); DoSpecularMetallicArea(material); m_MaterialEditor.TexturePropertySingleLine(Styles.occlusionText, occlusionMap, occlusionMap.textureValue != null ? occlusionStrength : null); if (occlusionMap.textureValue != null) { m_MaterialEditor.ShaderProperty(occlusionStrengthDirectDiffuse, Styles.occlusionStrengthDirectDiffuseText.text, 2); m_MaterialEditor.ShaderProperty(occlusionStrengthDirectSpecular, Styles.occlusionStrengthDirectSpecularText.text, 2); m_MaterialEditor.ShaderProperty(occlusionStrengthIndirectDiffuse, Styles.occlusionStrengthIndirectDiffuseText.text, 2); m_MaterialEditor.ShaderProperty(occlusionStrengthIndirectSpecular, Styles.occlusionStrengthIndirectSpecularText.text, 2); } m_MaterialEditor.ShaderProperty(cubeMapScalar, Styles.cubeMapScalarText.text, 0); } //m_MaterialEditor.TexturePropertySingleLine(Styles.heightMapText, heightMap, heightMap.textureValue != null ? heigtMapScale : null); DoEmissionArea(material); m_MaterialEditor.TexturePropertySingleLine(Styles.detailMaskText, detailMask); if (!bUnlit) { m_MaterialEditor.TexturePropertySingleLine(Styles.overrideLightmapText, overrideLightmap); } EditorGUI.BeginChangeCheck(); // !!! AV - This is from Unity's script. Can these Begin/End calls be nested like this? m_MaterialEditor.TextureScaleOffsetProperty(albedoMap); if (EditorGUI.EndChangeCheck()) { emissionMap.textureScaleAndOffset = albedoMap.textureScaleAndOffset; // Apply the main texture scale and offset to the emission texture as well, for Enlighten's sake } if (worldAlignedTexture != null) { m_MaterialEditor.ShaderProperty(worldAlignedTexture, Styles.worldAlignedTextureText.text); if (worldAlignedTexture.floatValue != 0.0f) { EditorGUI.indentLevel = 2; Vector3GUI(Styles.worldAlignedTextureSizeText, worldAlignedTextureSize); Vector3GUI(Styles.worldAlignedTextureNormalText, worldAlignedTextureNormal); Vector3GUI(Styles.worldAlignedTexturePositionText, worldAlignedTexturePosition); EditorGUI.indentLevel = 0; } } EditorGUILayout.Space(); // Secondary properties GUILayout.Label(Styles.secondaryMapsText, EditorStyles.boldLabel); m_MaterialEditor.TexturePropertySingleLine(Styles.detailAlbedoText, detailAlbedoMap); if (!bUnlit) { m_MaterialEditor.TexturePropertySingleLine(Styles.detailNormalMapText, detailNormalMap, detailNormalMapScale); } m_MaterialEditor.TextureScaleOffsetProperty(detailAlbedoMap); m_MaterialEditor.ShaderProperty(uvSetSecondary, Styles.uvSetLabel.text); } if (EditorGUI.EndChangeCheck()) { foreach (var obj in blendMode.targets) { MaterialChanged((Material)obj); } foreach (var obj in specularMode.targets) { MaterialChanged((Material)obj); } } } public override void AssignNewShaderToMaterial(Material material, Shader oldShader, Shader newShader) { base.AssignNewShaderToMaterial(material, oldShader, newShader); if (oldShader == null) return; // Convert to vr_standard if (newShader.name.Equals("Valve/vr_standard")) { List unknownShaders = new List(); ValveRefreshStandardShader.StandardToValveSingleMaterial(material, oldShader, newShader, false, unknownShaders); } // Legacy shaders if (!oldShader.name.Contains("Legacy Shaders/")) return; BlendMode blendMode = BlendMode.Opaque; if (oldShader.name.Contains("/Transparent/Cutout/")) { blendMode = BlendMode.AlphaTest; } else if (oldShader.name.Contains("/Transparent/")) { // NOTE: legacy shaders did not provide physically based transparency // therefore Fade mode blendMode = BlendMode.AlphaBlend; } material.SetFloat("_Mode", (float)blendMode); MaterialChanged(material); } void BlendModePopup() { EditorGUI.showMixedValue = blendMode.hasMixedValue; var mode = (BlendMode)blendMode.floatValue; EditorGUI.BeginChangeCheck(); mode = (BlendMode)EditorGUILayout.Popup(Styles.renderingMode, (int)mode, Styles.blendNames); if (EditorGUI.EndChangeCheck()) { m_MaterialEditor.RegisterPropertyChangeUndo("Rendering Mode"); blendMode.floatValue = (float)mode; } EditorGUI.showMixedValue = false; } void SpecularModePopup() { EditorGUI.showMixedValue = specularMode.hasMixedValue; var mode = (SpecularMode)specularMode.floatValue; EditorGUI.BeginChangeCheck(); mode = (SpecularMode)EditorGUILayout.Popup(Styles.specularModeText, (int)mode, Styles.specularNames); if (EditorGUI.EndChangeCheck()) { m_MaterialEditor.RegisterPropertyChangeUndo("Specular Mode"); specularMode.floatValue = (float)mode; } EditorGUI.showMixedValue = false; } void DoAlbedoArea(Material material) { m_MaterialEditor.TexturePropertySingleLine(Styles.albedoText, albedoMap, albedoColor); if (((BlendMode)material.GetFloat("_Mode") == BlendMode.AlphaTest)) { m_MaterialEditor.ShaderProperty(alphaCutoff, Styles.alphaCutoffText.text, MaterialEditor.kMiniTextureFieldLabelIndentLevel + 1); } } void DoEmissionArea(Material material) { float brightness = emissionColorForRendering.colorValue.maxColorComponent; bool showHelpBox = !HasValidEmissiveKeyword(material); bool showEmissionColorAndGIControls = brightness > 0.0f; bool hadEmissionTexture = emissionMap.textureValue != null; // Texture and HDR color controls m_MaterialEditor.TexturePropertyWithHDRColor(Styles.emissionText, emissionMap, emissionColorForRendering, m_ColorPickerHDRConfig, false); // If texture was assigned and color was black set color to white if (emissionMap.textureValue != null && !hadEmissionTexture && brightness <= 0f) emissionColorForRendering.colorValue = Color.white; // Dynamic Lightmapping mode if (showEmissionColorAndGIControls) { bool shouldEmissionBeEnabled = ShouldEmissionBeEnabled(emissionColorForRendering.colorValue); using (new EditorGUI.DisabledScope(!shouldEmissionBeEnabled)) { m_MaterialEditor.LightmapEmissionProperty(MaterialEditor.kMiniTextureFieldLabelIndentLevel + 1); } } if (showHelpBox) { EditorGUILayout.HelpBox(Styles.emissiveWarning.text, MessageType.Warning); } } void DoSpecularMetallicArea(Material material) { SpecularMode specularMode = (SpecularMode)material.GetInt("_SpecularMode"); if (specularMode == SpecularMode.BlinnPhong) { if (specularMap.textureValue == null) { m_MaterialEditor.TexturePropertyTwoLines(Styles.specularMapText, specularMap, specularColor, Styles.smoothnessText, smoothness); } else { m_MaterialEditor.TexturePropertySingleLine(Styles.specularMapText, specularMap); m_MaterialEditor.ShaderProperty(reflectanceMin, Styles.reflectanceMinText.text, 2); m_MaterialEditor.ShaderProperty(reflectanceMax, Styles.reflectanceMaxText.text, 2); } } else if (specularMode == SpecularMode.Metallic) { if (metallicMap.textureValue == null) m_MaterialEditor.TexturePropertyTwoLines(Styles.metallicMapText, metallicMap, metallic, Styles.smoothnessText, smoothness); else m_MaterialEditor.TexturePropertySingleLine(Styles.metallicMapText, metallicMap); } } public static void SetupMaterialWithBlendMode(Material material, BlendMode blendMode) { switch (blendMode) { case BlendMode.Opaque: 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; break; case BlendMode.AlphaTest: material.SetOverrideTag("RenderType", "TransparentCutout"); material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One); material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero); material.SetInt("_ZWrite", 1); material.EnableKeyword("_ALPHATEST_ON"); material.DisableKeyword("_ALPHABLEND_ON"); material.DisableKeyword("_ALPHAPREMULTIPLY_ON"); material.renderQueue = 2450; break; case BlendMode.AlphaBlend: material.SetOverrideTag("RenderType", "Transparent"); material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.SrcAlpha); material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha); material.SetInt("_ZWrite", 0); material.DisableKeyword("_ALPHATEST_ON"); material.EnableKeyword("_ALPHABLEND_ON"); material.DisableKeyword("_ALPHAPREMULTIPLY_ON"); material.renderQueue = 3000; break; case BlendMode.Glass: 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.DisableKeyword("_ALPHATEST_ON"); material.DisableKeyword("_ALPHABLEND_ON"); material.EnableKeyword("_ALPHAPREMULTIPLY_ON"); material.renderQueue = 3000; break; case BlendMode.Additive: material.SetOverrideTag("RenderType", "Transparent"); material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One); material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.One); material.SetInt("_ZWrite", 0); material.DisableKeyword("_ALPHATEST_ON"); material.DisableKeyword("_ALPHABLEND_ON"); material.DisableKeyword("_ALPHAPREMULTIPLY_ON"); material.renderQueue = 3000; break; } } static bool ShouldEmissionBeEnabled(Color color) { return color.maxColorComponent > (0.1f / 255.0f); } static void SetMaterialKeywords(Material material) { // Note: keywords must be based on Material value not on MaterialProperty due to multi-edit & material animation // (MaterialProperty value might come from renderer material property block) SetKeyword(material, "_NORMALMAP", material.GetTexture("_BumpMap") || material.GetTexture("_DetailNormalMap")); SpecularMode specularMode = (SpecularMode)material.GetInt("_SpecularMode"); if (specularMode == SpecularMode.BlinnPhong) { SetKeyword(material, "_SPECGLOSSMAP", material.GetTexture("_SpecGlossMap")); } else if (specularMode == SpecularMode.Metallic) { SetKeyword(material, "_METALLICGLOSSMAP", material.GetTexture("_MetallicGlossMap")); } SetKeyword(material, "S_SPECULAR_NONE", specularMode == SpecularMode.None); SetKeyword(material, "S_SPECULAR_BLINNPHONG", specularMode == SpecularMode.BlinnPhong); SetKeyword(material, "S_SPECULAR_METALLIC", specularMode == SpecularMode.Metallic); SetKeyword(material, "S_OCCLUSION", material.GetTexture("_OcclusionMap")); SetKeyword(material, "_PARALLAXMAP", material.GetTexture("_ParallaxMap")); SetKeyword(material, "_DETAIL_MULX2", material.GetTexture("_DetailAlbedoMap") || material.GetTexture("_DetailNormalMap")); SetKeyword(material, "S_OVERRIDE_LIGHTMAP", material.GetTexture("g_tOverrideLightmap")); SetKeyword(material, "S_UNLIT", material.GetInt("g_bUnlit") == 1); SetKeyword(material, "S_WORLD_ALIGNED_TEXTURE", material.GetInt("g_bWorldAlignedTexture") == 1); bool shouldEmissionBeEnabled = ShouldEmissionBeEnabled(material.GetColor("_EmissionColor")); SetKeyword(material, "_EMISSION", shouldEmissionBeEnabled); // Setup lightmap emissive flags MaterialGlobalIlluminationFlags flags = material.globalIlluminationFlags; if ((flags & (MaterialGlobalIlluminationFlags.BakedEmissive | MaterialGlobalIlluminationFlags.RealtimeEmissive)) != 0) { flags &= ~MaterialGlobalIlluminationFlags.EmissiveIsBlack; if (!shouldEmissionBeEnabled) flags |= MaterialGlobalIlluminationFlags.EmissiveIsBlack; material.globalIlluminationFlags = flags; } // Reflectance constants float flReflectanceMin = material.GetFloat("g_flReflectanceMin"); float flReflectanceMax = material.GetFloat("g_flReflectanceMax"); material.SetFloat("g_flReflectanceScale", Mathf.Max(flReflectanceMin, flReflectanceMax) - flReflectanceMin); material.SetFloat("g_flReflectanceBias", flReflectanceMin); // World aligned texture constants Vector4 worldAlignedTextureNormal = material.GetVector("g_vWorldAlignedTextureNormal"); Vector3 normal = new Vector3(worldAlignedTextureNormal.x, worldAlignedTextureNormal.y, worldAlignedTextureNormal.z); normal = (normal.sqrMagnitude > 0.0f) ? normal : Vector3.up; Vector3 tangentU = Vector3.zero, tangentV = Vector3.zero; Vector3.OrthoNormalize(ref normal, ref tangentU, ref tangentV); material.SetVector("g_vWorldAlignedNormalTangentU", new Vector4(tangentU.x, tangentU.y, tangentU.z, 0.0f)); material.SetVector("g_vWorldAlignedNormalTangentV", new Vector4(tangentV.x, tangentV.y, tangentV.z, 0.0f)); // Static combo skips if (material.GetInt("g_bUnlit") == 1) { material.DisableKeyword("_NORMALMAP"); material.EnableKeyword("S_SPECULAR_NONE"); material.DisableKeyword("S_SPECULAR_BLINNPHONG"); material.DisableKeyword("S_SPECULAR_METALLIC"); material.DisableKeyword("_METALLICGLOSSMAP"); material.DisableKeyword("_SPECGLOSSMAP"); material.DisableKeyword("S_OVERRIDE_LIGHTMAP"); } } bool HasValidEmissiveKeyword(Material material) { // Material animation might be out of sync with the material keyword. // So if the emission support is disabled on the material, but the property blocks have a value that requires it, then we need to show a warning. // (note: (Renderer MaterialPropertyBlock applies its values to emissionColorForRendering)) bool hasEmissionKeyword = material.IsKeywordEnabled("_EMISSION"); if (!hasEmissionKeyword && ShouldEmissionBeEnabled(emissionColorForRendering.colorValue)) return false; else return true; } static void MaterialChanged(Material material) { SetupMaterialWithBlendMode(material, (BlendMode)material.GetFloat("_Mode")); SetMaterialKeywords(material); } static void SetKeyword(Material m, string keyword, bool state) { if (state) m.EnableKeyword(keyword); else m.DisableKeyword(keyword); } } } // namespace UnityEditor #endif