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BITFALL/Assets/Bakery/shader/Editor/BakeryShaderGUI.cs

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#if UNITY_EDITOR
// Disable 'obsolete' warnings
#pragma warning disable 0618
#pragma warning disable 0612
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using System;
using UnityEngine;
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namespace UnityEditor
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{
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public class BakeryShaderGUI : ShaderGUI
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{
private enum WorkflowMode
{
Specular,
Metallic,
Dielectric
}
public enum BlendMode
{
Opaque,
Cutout,
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Fade, // Old school alpha-blending mode, fresnel does not affect amount of transparency
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Transparent // Physically plausible transparency mode, implemented as alpha pre-multiply
}
public enum SmoothnessMapChannel
{
SpecularMetallicAlpha,
AlbedoAlpha,
}
private static class Styles
{
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public static GUIStyle optionsButton = "PaneOptions";
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public static GUIContent uvSetLabel = new GUIContent("UV Set");
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public static GUIContent[] uvSetOptions = new GUIContent[] { new GUIContent("UV channel 0"), new GUIContent("UV channel 1") };
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public static string emptyTootip = "";
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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", "Specular (RGB) and Smoothness (A)");
public static GUIContent metallicMapText = new GUIContent("Metallic", "Metallic (R) and Smoothness (A)");
public static GUIContent smoothnessText = new GUIContent("Smoothness", "Smoothness value");
public static GUIContent smoothnessScaleText = new GUIContent("Smoothness", "Smoothness scale factor");
public static GUIContent smoothnessMapChannelText = new GUIContent("Source", "Smoothness texture and channel");
public static GUIContent highlightsText = new GUIContent("Specular Highlights", "Specular Highlights");
public static GUIContent reflectionsText = new GUIContent("Reflections", "Glossy Reflections");
public static GUIContent normalMapText = new GUIContent("Normal Map", "Normal Map");
public static GUIContent heightMapText = new GUIContent("Height Map", "Height Map (G)");
public static GUIContent occlusionText = new GUIContent("Occlusion", "Occlusion (G)");
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public static GUIContent emissionText = new GUIContent("Emission", "Emission (RGB)");
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public static GUIContent detailMaskText = new GUIContent("Detail Mask", "Mask for Secondary Maps (A)");
public static GUIContent detailAlbedoText = new GUIContent("Detail Albedo x2", "Albedo (RGB) multiplied by 2");
public static GUIContent detailNormalMapText = new GUIContent("Normal Map", "Normal Map");
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public static string whiteSpaceString = " ";
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public static string primaryMapsText = "Main Maps";
public static string secondaryMapsText = "Secondary Maps";
public static string forwardText = "Forward Rendering Options";
public static string renderingMode = "Rendering Mode";
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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.");
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public static readonly string[] blendNames = Enum.GetNames(typeof(BlendMode));
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public static string bakeryText = "Bakery Options";
public static GUIContent doubleSidedLabel = new GUIContent("Double-sided", "Render both sides of triangles.");
public static GUIContent vertexLMLabel = new GUIContent("Allow Vertex Lightmaps", "Allows this material to use vertex lightmaps, if present.");
public static GUIContent vertexLMdirLabel = new GUIContent("Enable VertexLM directional", "Enables directional vertex lightmaps.");
public static GUIContent vertexLMSHLabel = new GUIContent("Enable VertexLM SH", "Enables SH vertex lightmaps.");
public static GUIContent vertexLMMaskLabel = new GUIContent("Enable VertexLM Shadowmask", "Enables per-vertex shadowmasks.");
public static GUIContent rnmLabel = new GUIContent("Allow RNM Lightmaps", "Allows this material to use RNM lightmaps, if present.");
public static GUIContent shLabel = new GUIContent("Allow SH Lightmaps", "Allows this material to use SH lightmaps, if present.");
public static GUIContent monoshLabel = new GUIContent("Enable MonoSH", "Makes this material treat directional maps as MonoSH.");
public static GUIContent shnLabel = new GUIContent("Non-linear SH", "This option can enhance contrast (closer to ground truth), but it makes the shader a bit slower.");
public static GUIContent specLabel = new GUIContent("Enable Lightmap Specular", "Enables baked specular for all directional modes.");
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public static GUIContent specOcclusionLabel = new GUIContent("Use Lightmap Specular as Reflection Occlusion", "Uses baked specular as a mask for reflection probes.");
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public static GUIContent bicubicLabel = new GUIContent("Force Bicubic Filter", "Enables bicubic filtering for all lightmaps (color/shadowmask/direction/etc) used in the material.");
public static GUIContent pshnLabel = new GUIContent("Non-linear Light Probe SH", "Prevents negative values in light probes. This is recommended when baking probes in L1 mode. Can slow down the shader a bit.");
public static GUIContent volLabel = new GUIContent("Enable Volumes", "Enable usages of BakeryVolumes");
public static GUIContent volLabelRot = new GUIContent("Support Volume Rotation", "Normally volumes can only be repositioned or rescaled at runtime. With this checkbox volume's rotation matrix will also be used. Volumes must have a similar checkbox enabled.");
public static GUIContent volLabel0 = new GUIContent("Volume 0");
public static GUIContent volLabel1 = new GUIContent("Volume 1");
public static GUIContent volLabel2 = new GUIContent("Volume 2");
public static GUIContent volLabelMask = new GUIContent("Volume mask");
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}
MaterialProperty blendMode = null;
MaterialProperty albedoMap = null;
MaterialProperty albedoColor = null;
MaterialProperty alphaCutoff = null;
MaterialProperty specularMap = null;
MaterialProperty specularColor = null;
MaterialProperty metallicMap = null;
MaterialProperty metallic = null;
MaterialProperty smoothness = null;
MaterialProperty smoothnessScale = null;
MaterialProperty smoothnessMapChannel = null;
MaterialProperty highlights = null;
MaterialProperty reflections = null;
MaterialProperty bumpScale = null;
MaterialProperty bumpMap = null;
MaterialProperty occlusionStrength = null;
MaterialProperty occlusionMap = 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;
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MaterialProperty enableDoubleSided = null;
MaterialProperty enableDoubleSidedOn = null;
MaterialProperty enableVertexLM = null;
MaterialProperty enableVertexLMdir = null;
MaterialProperty enableVertexLMSH = null;
MaterialProperty enableVertexLMmask = null;
MaterialProperty enableSH = null;
MaterialProperty enableMonoSH = null;
MaterialProperty enableSHN = null;
MaterialProperty enableRNM = null;
MaterialProperty enableSpec = null;
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MaterialProperty enableSpecOcclusion = null;
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MaterialProperty enableBicubic = null;
MaterialProperty enablePSHN = null;
MaterialProperty enableVolumes = null;
MaterialProperty enableVolumeRot = null;
MaterialProperty volume0 = null;
MaterialProperty volume1 = null;
MaterialProperty volume2 = null;
MaterialProperty volumeMask = null;
MaterialProperty volumeMin = null;
MaterialProperty volumeInvSize = null;
BakeryVolume assignedVolume = null;
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MaterialEditor m_MaterialEditor;
WorkflowMode m_WorkflowMode = WorkflowMode.Specular;
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ColorPickerHDRConfig m_ColorPickerHDRConfig = new ColorPickerHDRConfig(0f, 99f, 1 / 99f, 3f);
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bool m_FirstTimeApply = true;
public void FindProperties(MaterialProperty[] props)
{
blendMode = FindProperty("_Mode", props);
albedoMap = FindProperty("_MainTex", props);
albedoColor = FindProperty("_Color", props);
alphaCutoff = FindProperty("_Cutoff", props);
specularMap = FindProperty("_SpecGlossMap", props, false);
specularColor = FindProperty("_SpecColor", props, false);
metallicMap = FindProperty("_MetallicGlossMap", props, false);
metallic = FindProperty("_Metallic", props, false);
if (specularMap != null && specularColor != null)
m_WorkflowMode = WorkflowMode.Specular;
else if (metallicMap != null && metallic != null)
m_WorkflowMode = WorkflowMode.Metallic;
else
m_WorkflowMode = WorkflowMode.Dielectric;
smoothness = FindProperty("_Glossiness", props);
smoothnessScale = FindProperty("_GlossMapScale", props, false);
smoothnessMapChannel = FindProperty("_SmoothnessTextureChannel", props, false);
highlights = FindProperty("_SpecularHighlights", props, false);
reflections = FindProperty("_GlossyReflections", props, false);
bumpScale = FindProperty("_BumpScale", props);
bumpMap = FindProperty("_BumpMap", props);
heigtMapScale = FindProperty("_Parallax", props);
heightMap = FindProperty("_ParallaxMap", props);
occlusionStrength = FindProperty("_OcclusionStrength", 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);
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enableDoubleSided = FindProperty("_BAKERY_2SIDED", props);
enableDoubleSidedOn = FindProperty("_BAKERY_2SIDEDON", props);
enableVertexLM = FindProperty("_BAKERY_VERTEXLM", props);
enableVertexLMdir = FindProperty("_BAKERY_VERTEXLMDIR", props);
enableVertexLMSH = FindProperty("_BAKERY_VERTEXLMSH", props);
enableVertexLMmask = FindProperty("_BAKERY_VERTEXLMMASK", props);
enableSH = FindProperty("_BAKERY_SH", props);
enableMonoSH = FindProperty("_BAKERY_MONOSH", props);
enableSHN = FindProperty("_BAKERY_SHNONLINEAR", props);
enableRNM = FindProperty("_BAKERY_RNM", props);
enableSpec = FindProperty("_BAKERY_LMSPEC", props);
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enableSpecOcclusion = FindProperty("_BAKERY_LMSPECOCCLUSION", props);
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enableBicubic = FindProperty("_BAKERY_BICUBIC", props);
enablePSHN = FindProperty("_BAKERY_PROBESHNONLINEAR", props);
try
{
enableVolumes = FindProperty("_BAKERY_VOLUME", props);
enableVolumeRot = FindProperty("_BAKERY_VOLROTATION", props);
volume0 = FindProperty("_Volume0", props);
volume1 = FindProperty("_Volume1", props);
volume2 = FindProperty("_Volume2", props);
volumeMask = FindProperty("_VolumeMask", props);
volumeMin = FindProperty("_VolumeMin", props);
volumeInvSize = FindProperty("_VolumeInvSize", props);
}
catch
{
}
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}
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;
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// Make sure that needed keywords are set up if we're switching some existing
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// material to a standard shader.
if (m_FirstTimeApply)
{
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SetMaterialKeywords(material, m_WorkflowMode);
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m_FirstTimeApply = false;
}
ShaderPropertiesGUI(material);
}
public void ShaderPropertiesGUI(Material material)
{
// Use default labelWidth
EditorGUIUtility.labelWidth = 0f;
// Detect any changes to the material
EditorGUI.BeginChangeCheck();
{
BlendModePopup();
// Primary properties
GUILayout.Label(Styles.primaryMapsText, EditorStyles.boldLabel);
DoAlbedoArea(material);
DoSpecularMetallicArea();
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m_MaterialEditor.TexturePropertySingleLine(Styles.normalMapText, bumpMap, bumpMap.textureValue != null ? bumpScale : null);
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m_MaterialEditor.TexturePropertySingleLine(Styles.heightMapText, heightMap, heightMap.textureValue != null ? heigtMapScale : null);
m_MaterialEditor.TexturePropertySingleLine(Styles.occlusionText, occlusionMap, occlusionMap.textureValue != null ? occlusionStrength : null);
DoEmissionArea(material);
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m_MaterialEditor.TexturePropertySingleLine(Styles.detailMaskText, detailMask);
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EditorGUI.BeginChangeCheck();
m_MaterialEditor.TextureScaleOffsetProperty(albedoMap);
if (EditorGUI.EndChangeCheck())
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{
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emissionMap.textureScaleAndOffset = albedoMap.textureScaleAndOffset; // Apply the main texture scale and offset to the emission texture as well, for Enlighten's sake
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}
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EditorGUILayout.Space();
// Secondary properties
GUILayout.Label(Styles.secondaryMapsText, EditorStyles.boldLabel);
m_MaterialEditor.TexturePropertySingleLine(Styles.detailAlbedoText, detailAlbedoMap);
m_MaterialEditor.TexturePropertySingleLine(Styles.detailNormalMapText, detailNormalMap, detailNormalMapScale);
m_MaterialEditor.TextureScaleOffsetProperty(detailAlbedoMap);
m_MaterialEditor.ShaderProperty(uvSetSecondary, Styles.uvSetLabel.text);
// Third properties
GUILayout.Label(Styles.forwardText, EditorStyles.boldLabel);
if (highlights != null)
m_MaterialEditor.ShaderProperty(highlights, Styles.highlightsText);
if (reflections != null)
m_MaterialEditor.ShaderProperty(reflections, Styles.reflectionsText);
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GUILayout.Label(Styles.bakeryText, EditorStyles.boldLabel);
m_MaterialEditor.ShaderProperty(enableDoubleSidedOn, Styles.doubleSidedLabel);
enableDoubleSided.floatValue = enableDoubleSidedOn.floatValue > 0 ? 0 : 2;
m_MaterialEditor.ShaderProperty(enableVertexLM, Styles.vertexLMLabel);
if (enableVertexLM.floatValue > 0)
{
m_MaterialEditor.ShaderProperty(enableVertexLMdir, Styles.vertexLMdirLabel);
//if (enableVertexLMdir.floatValue > 0) enableVertexLMSH.floatValue = 0;
}
if (enableVertexLM.floatValue > 0)
{
m_MaterialEditor.ShaderProperty(enableVertexLMSH, Styles.vertexLMSHLabel);
//if (enableVertexLMSH.floatValue > 0) enableVertexLMdir.floatValue = 0;
}
if (enableVertexLM.floatValue > 0)
{
m_MaterialEditor.ShaderProperty(enableVertexLMmask, Styles.vertexLMMaskLabel);
}
m_MaterialEditor.ShaderProperty(enableRNM, Styles.rnmLabel);
m_MaterialEditor.ShaderProperty(enableSH, Styles.shLabel);
m_MaterialEditor.ShaderProperty(enableMonoSH, Styles.monoshLabel);
if (enableSH.floatValue > 0 || enableMonoSH.floatValue > 0 || enableVertexLMSH.floatValue > 0)
m_MaterialEditor.ShaderProperty(enableSHN, Styles.shnLabel);
m_MaterialEditor.ShaderProperty(enableSpec, Styles.specLabel);
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if (enableSpec.floatValue > 0)
{
m_MaterialEditor.ShaderProperty(enableSpecOcclusion, Styles.specOcclusionLabel);
}
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m_MaterialEditor.ShaderProperty(enableBicubic, Styles.bicubicLabel);
m_MaterialEditor.ShaderProperty(enablePSHN, Styles.pshnLabel);
try
{
m_MaterialEditor.ShaderProperty(enableVolumes, Styles.volLabel);
if (enableVolumes.floatValue > 0)
{
var prevAssignedVolume = assignedVolume;
assignedVolume = EditorGUILayout.ObjectField(volume0.textureValue == null ? "Assign volume" : "Assign different volume", assignedVolume, typeof(BakeryVolume), true) as BakeryVolume;
if (prevAssignedVolume != assignedVolume)
{
volume0.textureValue = assignedVolume.bakedTexture0;
volume1.textureValue = assignedVolume.bakedTexture1;
volume2.textureValue = assignedVolume.bakedTexture2;
volumeMask.textureValue = assignedVolume.bakedMask;
var b = assignedVolume.bounds;
volumeMin.vectorValue = b.min;
volumeInvSize.vectorValue = new Vector3(1.0f/b.size.x, 1.0f/b.size.y, 1.0f/b.size.z);
assignedVolume = null;
}
if (volume0.textureValue != null)
{
if (GUILayout.Button("Unset volume"))
{
volume0.textureValue = null;
volume1.textureValue = null;
volume2.textureValue = null;
volumeMask.textureValue = null;
volumeMin.vectorValue = Vector3.zero;
volumeInvSize.vectorValue = Vector3.one * 1000001;
}
}
EditorGUILayout.LabelField("Current Volume: " + (volume0.textureValue == null ? "<none or global>" : volume0.textureValue.name.Substring(0, volume0.textureValue.name.Length-1)));
EditorGUI.BeginDisabledGroup(true);
m_MaterialEditor.TexturePropertySingleLine(Styles.volLabel0, volume0);
m_MaterialEditor.TexturePropertySingleLine(Styles.volLabel1, volume1);
m_MaterialEditor.TexturePropertySingleLine(Styles.volLabel2, volume2);
m_MaterialEditor.TexturePropertySingleLine(Styles.volLabelMask, volumeMask);
var bmin4 = volumeMin.vectorValue;
var bmin = new Vector3(bmin4.x, bmin4.y, bmin4.z);
var invSize = volumeInvSize.vectorValue;
var bmax = new Vector3(1.0f/invSize.x + bmin.x, 1.0f/invSize.y + bmin.y, 1.0f/invSize.z + bmin.z);
EditorGUILayout.LabelField("Min: " + bmin);
EditorGUILayout.LabelField("Max: " + bmax);
EditorGUI.EndDisabledGroup();
m_MaterialEditor.ShaderProperty(enableVolumeRot, Styles.volLabelRot);
}
}
catch
{
}
EditorGUILayout.Space();
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}
if (EditorGUI.EndChangeCheck())
{
foreach (var obj in blendMode.targets)
MaterialChanged((Material)obj, m_WorkflowMode);
}
}
internal void DetermineWorkflow(MaterialProperty[] props)
{
if (FindProperty("_SpecGlossMap", props, false) != null && FindProperty("_SpecColor", props, false) != null)
m_WorkflowMode = WorkflowMode.Specular;
else if (FindProperty("_MetallicGlossMap", props, false) != null && FindProperty("_Metallic", props, false) != null)
m_WorkflowMode = WorkflowMode.Metallic;
else
m_WorkflowMode = WorkflowMode.Dielectric;
}
public override void AssignNewShaderToMaterial(Material material, Shader oldShader, Shader newShader)
{
// _Emission property is lost after assigning Standard shader to the material
// thus transfer it before assigning the new shader
if (material.HasProperty("_Emission"))
{
material.SetColor("_EmissionColor", material.GetColor("_Emission"));
}
base.AssignNewShaderToMaterial(material, oldShader, newShader);
if (oldShader == null || !oldShader.name.Contains("Legacy Shaders/"))
{
SetupMaterialWithBlendMode(material, (BlendMode)material.GetFloat("_Mode"));
return;
}
BlendMode blendMode = BlendMode.Opaque;
if (oldShader.name.Contains("/Transparent/Cutout/"))
{
blendMode = BlendMode.Cutout;
}
else if (oldShader.name.Contains("/Transparent/"))
{
// NOTE: legacy shaders did not provide physically based transparency
// therefore Fade mode
blendMode = BlendMode.Fade;
}
material.SetFloat("_Mode", (float)blendMode);
DetermineWorkflow(MaterialEditor.GetMaterialProperties(new Material[] { material }));
MaterialChanged(material, m_WorkflowMode);
}
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 DoAlbedoArea(Material material)
{
m_MaterialEditor.TexturePropertySingleLine(Styles.albedoText, albedoMap, albedoColor);
if (((BlendMode)material.GetFloat("_Mode") == BlendMode.Cutout))
{
m_MaterialEditor.ShaderProperty(alphaCutoff, Styles.alphaCutoffText.text, MaterialEditor.kMiniTextureFieldLabelIndentLevel + 1);
}
}
void DoEmissionArea(Material material)
{
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bool showHelpBox = !HasValidEmissiveKeyword(material);
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
float brightness = emissionColorForRendering.colorValue.maxColorComponent;
if (emissionMap.textureValue != null && !hadEmissionTexture && brightness <= 0f)
emissionColorForRendering.colorValue = Color.white;
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// Emission for GI?
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m_MaterialEditor.LightmapEmissionProperty(MaterialEditor.kMiniTextureFieldLabelIndentLevel + 1);
if (showHelpBox)
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{
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EditorGUILayout.HelpBox(Styles.emissiveWarning.text, MessageType.Warning);
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}
}
void DoSpecularMetallicArea()
{
bool hasGlossMap = false;
if (m_WorkflowMode == WorkflowMode.Specular)
{
hasGlossMap = specularMap.textureValue != null;
m_MaterialEditor.TexturePropertySingleLine(Styles.specularMapText, specularMap, hasGlossMap ? null : specularColor);
}
else if (m_WorkflowMode == WorkflowMode.Metallic)
{
hasGlossMap = metallicMap.textureValue != null;
m_MaterialEditor.TexturePropertySingleLine(Styles.metallicMapText, metallicMap, hasGlossMap ? null : metallic);
}
bool showSmoothnessScale = hasGlossMap;
if (smoothnessMapChannel != null)
{
int smoothnessChannel = (int)smoothnessMapChannel.floatValue;
if (smoothnessChannel == (int)SmoothnessMapChannel.AlbedoAlpha)
showSmoothnessScale = true;
}
int indentation = 2; // align with labels of texture properties
m_MaterialEditor.ShaderProperty(showSmoothnessScale ? smoothnessScale : smoothness, showSmoothnessScale ? Styles.smoothnessScaleText : Styles.smoothnessText, indentation);
++indentation;
if (smoothnessMapChannel != null)
m_MaterialEditor.ShaderProperty(smoothnessMapChannel, Styles.smoothnessMapChannelText, indentation);
}
public static void SetupMaterialWithBlendMode(Material material, BlendMode blendMode)
{
switch (blendMode)
{
case BlendMode.Opaque:
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material.SetOverrideTag("RenderType", "Opaque");
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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.Cutout:
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material.SetOverrideTag("RenderType", "TransparentCutout");
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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 = (int)UnityEngine.Rendering.RenderQueue.AlphaTest;
break;
case BlendMode.Fade:
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material.SetOverrideTag("RenderType", "Transparent");
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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 = (int)UnityEngine.Rendering.RenderQueue.Transparent;
break;
case BlendMode.Transparent:
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material.SetOverrideTag("RenderType", "Transparent");
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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 = (int)UnityEngine.Rendering.RenderQueue.Transparent;
break;
}
}
static SmoothnessMapChannel GetSmoothnessMapChannel(Material material)
{
int ch = (int)material.GetFloat("_SmoothnessTextureChannel");
if (ch == (int)SmoothnessMapChannel.AlbedoAlpha)
return SmoothnessMapChannel.AlbedoAlpha;
else
return SmoothnessMapChannel.SpecularMetallicAlpha;
}
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static bool ShouldEmissionBeEnabled(Material mat, Color color)
{
var realtimeEmission = (mat.globalIlluminationFlags & MaterialGlobalIlluminationFlags.RealtimeEmissive) > 0;
return color.maxColorComponent > 0.1f / 255.0f || realtimeEmission;
}
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static void SetMaterialKeywords(Material material, WorkflowMode workflowMode)
{
// 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"));
if (workflowMode == WorkflowMode.Specular)
SetKeyword(material, "_SPECGLOSSMAP", material.GetTexture("_SpecGlossMap"));
else if (workflowMode == WorkflowMode.Metallic)
SetKeyword(material, "_METALLICGLOSSMAP", material.GetTexture("_MetallicGlossMap"));
SetKeyword(material, "_PARALLAXMAP", material.GetTexture("_ParallaxMap"));
SetKeyword(material, "_DETAIL_MULX2", material.GetTexture("_DetailAlbedoMap") || material.GetTexture("_DetailNormalMap"));
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bool shouldEmissionBeEnabled = ShouldEmissionBeEnabled(material, material.GetColor("_EmissionColor"));
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SetKeyword(material, "_EMISSION", shouldEmissionBeEnabled);
if (material.HasProperty("_SmoothnessTextureChannel"))
{
SetKeyword(material, "_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A", GetSmoothnessMapChannel(material) == SmoothnessMapChannel.AlbedoAlpha);
}
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// 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;
}
}
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(material, emissionColorForRendering.colorValue))
return false;
else
return true;
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}
static void MaterialChanged(Material material, WorkflowMode workflowMode)
{
SetupMaterialWithBlendMode(material, (BlendMode)material.GetFloat("_Mode"));
SetMaterialKeywords(material, workflowMode);
}
static void SetKeyword(Material m, string keyword, bool state)
{
if (state)
m.EnableKeyword(keyword);
else
m.DisableKeyword(keyword);
}
}
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}
#endif