786 lines
36 KiB
C#
786 lines
36 KiB
C#
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Linq;
|
|||
|
|
using UnityEditor.Rendering;
|
|||
|
|
using UnityEditor.Rendering.Universal;
|
|||
|
|
using UnityEditor.ShaderGraph;
|
|||
|
|
using UnityEditor.ShaderGraph.Drawing;
|
|||
|
|
using UnityEngine;
|
|||
|
|
using UnityEngine.Rendering;
|
|||
|
|
using UnityEngine.Rendering.Universal;
|
|||
|
|
using static Unity.Rendering.Universal.ShaderUtils;
|
|||
|
|
using RenderQueue = UnityEngine.Rendering.RenderQueue;
|
|||
|
|
|
|||
|
|
namespace UnityEditor
|
|||
|
|
{
|
|||
|
|
public abstract class BaseShaderGUI : ShaderGUI
|
|||
|
|
{
|
|||
|
|
#region EnumsAndClasses
|
|||
|
|
|
|||
|
|
[Flags]
|
|||
|
|
[URPHelpURL("shaders-in-universalrp")]
|
|||
|
|
protected enum Expandable
|
|||
|
|
{
|
|||
|
|
SurfaceOptions = 1 << 0,
|
|||
|
|
SurfaceInputs = 1 << 1,
|
|||
|
|
Advanced = 1 << 2,
|
|||
|
|
Details = 1 << 3,
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public enum SurfaceType
|
|||
|
|
{
|
|||
|
|
Opaque,
|
|||
|
|
Transparent
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public enum BlendMode
|
|||
|
|
{
|
|||
|
|
Alpha, // Old school alpha-blending mode, fresnel does not affect amount of transparency
|
|||
|
|
Premultiply, // Physically plausible transparency mode, implemented as alpha pre-multiply
|
|||
|
|
Additive,
|
|||
|
|
Multiply
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public enum SmoothnessSource
|
|||
|
|
{
|
|||
|
|
SpecularAlpha,
|
|||
|
|
BaseAlpha,
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public enum RenderFace
|
|||
|
|
{
|
|||
|
|
Front = 2,
|
|||
|
|
Back = 1,
|
|||
|
|
Both = 0
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public enum QueueControl
|
|||
|
|
{
|
|||
|
|
Auto = 0,
|
|||
|
|
UserOverride = 1
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected class Styles
|
|||
|
|
{
|
|||
|
|
public static readonly string[] surfaceTypeNames = Enum.GetNames(typeof(SurfaceType));
|
|||
|
|
public static readonly string[] blendModeNames = Enum.GetNames(typeof(BlendMode));
|
|||
|
|
public static readonly string[] renderFaceNames = Enum.GetNames(typeof(RenderFace));
|
|||
|
|
public static readonly string[] zwriteNames = Enum.GetNames(typeof(UnityEditor.Rendering.Universal.ShaderGraph.ZWriteControl));
|
|||
|
|
public static readonly string[] queueControlNames = Enum.GetNames(typeof(QueueControl));
|
|||
|
|
|
|||
|
|
// need to skip the first entry for ztest (ZTestMode.Disabled is not a valid value)
|
|||
|
|
public static readonly int[] ztestValues = ((int[])Enum.GetValues(typeof(UnityEditor.Rendering.Universal.ShaderGraph.ZTestMode))).Skip(1).ToArray();
|
|||
|
|
public static readonly string[] ztestNames = Enum.GetNames(typeof(UnityEditor.Rendering.Universal.ShaderGraph.ZTestMode)).Skip(1).ToArray();
|
|||
|
|
|
|||
|
|
// Categories
|
|||
|
|
public static readonly GUIContent SurfaceOptions =
|
|||
|
|
EditorGUIUtility.TrTextContent("Surface Options", "Controls how URP Renders the material on screen.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent SurfaceInputs = EditorGUIUtility.TrTextContent("Surface Inputs",
|
|||
|
|
"These settings describe the look and feel of the surface itself.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent AdvancedLabel = EditorGUIUtility.TrTextContent("Advanced Options",
|
|||
|
|
"These settings affect behind-the-scenes rendering and underlying calculations.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent surfaceType = EditorGUIUtility.TrTextContent("Surface Type",
|
|||
|
|
"Select a surface type for your texture. Choose between Opaque or Transparent.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent blendingMode = EditorGUIUtility.TrTextContent("Blending Mode",
|
|||
|
|
"Controls how the color of the Transparent surface blends with the Material color in the background.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent cullingText = EditorGUIUtility.TrTextContent("Render Face",
|
|||
|
|
"Specifies which faces to cull from your geometry. Front culls front faces. Back culls backfaces. None means that both sides are rendered.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent zwriteText = EditorGUIUtility.TrTextContent("Depth Write",
|
|||
|
|
"Controls whether the shader writes depth. Auto will write only when the shader is opaque.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent ztestText = EditorGUIUtility.TrTextContent("Depth Test",
|
|||
|
|
"Specifies the depth test mode. The default is LEqual.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent alphaClipText = EditorGUIUtility.TrTextContent("Alpha Clipping",
|
|||
|
|
"Makes your Material act like a Cutout shader. Use this to create a transparent effect with hard edges between opaque and transparent areas.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent alphaClipThresholdText = EditorGUIUtility.TrTextContent("Threshold",
|
|||
|
|
"Sets where the Alpha Clipping starts. The higher the value is, the brighter the effect is when clipping starts.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent castShadowText = EditorGUIUtility.TrTextContent("Cast Shadows",
|
|||
|
|
"When enabled, this GameObject will cast shadows onto any geometry that can receive them.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent receiveShadowText = EditorGUIUtility.TrTextContent("Receive Shadows",
|
|||
|
|
"When enabled, other GameObjects can cast shadows onto this GameObject.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent baseMap = EditorGUIUtility.TrTextContent("Base Map",
|
|||
|
|
"Specifies the base Material and/or Color of the surface. If you’ve selected Transparent or Alpha Clipping under Surface Options, your Material uses the Texture’s alpha channel or color.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent emissionMap = EditorGUIUtility.TrTextContent("Emission Map",
|
|||
|
|
"Determines the color and intensity of light that the surface of the material emits.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent normalMapText =
|
|||
|
|
EditorGUIUtility.TrTextContent("Normal Map", "Designates a Normal Map to create the illusion of bumps and dents on this Material's surface.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent bumpScaleNotSupported =
|
|||
|
|
EditorGUIUtility.TrTextContent("Bump scale is not supported on mobile platforms");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent fixNormalNow = EditorGUIUtility.TrTextContent("Fix now",
|
|||
|
|
"Converts the assigned texture to be a normal map format.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent queueSlider = EditorGUIUtility.TrTextContent("Sorting Priority",
|
|||
|
|
"Determines the chronological rendering order for a Material. Materials with lower value are rendered first.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent queueControl = EditorGUIUtility.TrTextContent("Queue Control",
|
|||
|
|
"Controls whether render queue is automatically set based on material surface type, or explicitly set by the user.");
|
|||
|
|
|
|||
|
|
public static readonly GUIContent documentationIcon = EditorGUIUtility.TrIconContent("_Help", $"Open Reference for URP Shaders.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Variables
|
|||
|
|
|
|||
|
|
protected MaterialEditor materialEditor { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty surfaceTypeProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty blendModeProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty cullingProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty ztestProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty zwriteProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty alphaClipProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty alphaCutoffProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty castShadowsProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty receiveShadowsProp { get; set; }
|
|||
|
|
|
|||
|
|
// Common Surface Input properties
|
|||
|
|
|
|||
|
|
protected MaterialProperty baseMapProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty baseColorProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty emissionMapProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty emissionColorProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty queueOffsetProp { get; set; }
|
|||
|
|
|
|||
|
|
protected MaterialProperty queueControlProp { get; set; }
|
|||
|
|
|
|||
|
|
public bool m_FirstTimeApply = true;
|
|||
|
|
|
|||
|
|
// By default, everything is expanded, except advanced
|
|||
|
|
readonly MaterialHeaderScopeList m_MaterialScopeList = new MaterialHeaderScopeList(uint.MaxValue & ~(uint)Expandable.Advanced);
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
private const int queueOffsetRange = 50;
|
|||
|
|
|
|||
|
|
////////////////////////////////////
|
|||
|
|
// General Functions //
|
|||
|
|
////////////////////////////////////
|
|||
|
|
#region GeneralFunctions
|
|||
|
|
|
|||
|
|
[Obsolete("MaterialChanged has been renamed ValidateMaterial", false)]
|
|||
|
|
public virtual void MaterialChanged(Material material)
|
|||
|
|
{
|
|||
|
|
ValidateMaterial(material);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public virtual void FindProperties(MaterialProperty[] properties)
|
|||
|
|
{
|
|||
|
|
var material = materialEditor?.target as Material;
|
|||
|
|
if (material == null)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
surfaceTypeProp = FindProperty(Property.SurfaceType, properties, false);
|
|||
|
|
blendModeProp = FindProperty(Property.BlendMode, properties, false);
|
|||
|
|
cullingProp = FindProperty(Property.CullMode, properties, false);
|
|||
|
|
zwriteProp = FindProperty(Property.ZWriteControl, properties, false);
|
|||
|
|
ztestProp = FindProperty(Property.ZTest, properties, false);
|
|||
|
|
alphaClipProp = FindProperty(Property.AlphaClip, properties, false);
|
|||
|
|
|
|||
|
|
// ShaderGraph Lit and Unlit Subtargets only
|
|||
|
|
castShadowsProp = FindProperty(Property.CastShadows, properties, false);
|
|||
|
|
queueControlProp = FindProperty(Property.QueueControl, properties, false);
|
|||
|
|
|
|||
|
|
// ShaderGraph Lit, and Lit.shader
|
|||
|
|
receiveShadowsProp = FindProperty(Property.ReceiveShadows, properties, false);
|
|||
|
|
|
|||
|
|
// The following are not mandatory for shadergraphs (it's up to the user to add them to their graph)
|
|||
|
|
alphaCutoffProp = FindProperty("_Cutoff", properties, false);
|
|||
|
|
baseMapProp = FindProperty("_BaseMap", properties, false);
|
|||
|
|
baseColorProp = FindProperty("_BaseColor", properties, false);
|
|||
|
|
emissionMapProp = FindProperty(Property.EmissionMap, properties, false);
|
|||
|
|
emissionColorProp = FindProperty(Property.EmissionColor, properties, false);
|
|||
|
|
queueOffsetProp = FindProperty(Property.QueueOffset, properties, false);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void OnGUI(MaterialEditor materialEditorIn, MaterialProperty[] properties)
|
|||
|
|
{
|
|||
|
|
if (materialEditorIn == null)
|
|||
|
|
throw new ArgumentNullException("materialEditorIn");
|
|||
|
|
|
|||
|
|
materialEditor = materialEditorIn;
|
|||
|
|
Material material = materialEditor.target as Material;
|
|||
|
|
|
|||
|
|
FindProperties(properties); // MaterialProperties can be animated so we do not cache them but fetch them every event to ensure animated values are updated correctly
|
|||
|
|
|
|||
|
|
// Make sure that needed setup (ie keywords/renderqueue) are set up if we're switching some existing
|
|||
|
|
// material to a universal shader.
|
|||
|
|
if (m_FirstTimeApply)
|
|||
|
|
{
|
|||
|
|
OnOpenGUI(material, materialEditorIn);
|
|||
|
|
m_FirstTimeApply = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
ShaderPropertiesGUI(material);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected virtual uint materialFilter => uint.MaxValue;
|
|||
|
|
|
|||
|
|
public virtual void OnOpenGUI(Material material, MaterialEditor materialEditor)
|
|||
|
|
{
|
|||
|
|
var filter = (Expandable)materialFilter;
|
|||
|
|
|
|||
|
|
// Generate the foldouts
|
|||
|
|
if (filter.HasFlag(Expandable.SurfaceOptions))
|
|||
|
|
m_MaterialScopeList.RegisterHeaderScope(Styles.SurfaceOptions, (uint)Expandable.SurfaceOptions, DrawSurfaceOptions);
|
|||
|
|
|
|||
|
|
if (filter.HasFlag(Expandable.SurfaceInputs))
|
|||
|
|
m_MaterialScopeList.RegisterHeaderScope(Styles.SurfaceInputs, (uint)Expandable.SurfaceInputs, DrawSurfaceInputs);
|
|||
|
|
|
|||
|
|
if (filter.HasFlag(Expandable.Details))
|
|||
|
|
FillAdditionalFoldouts(m_MaterialScopeList);
|
|||
|
|
|
|||
|
|
if (filter.HasFlag(Expandable.Advanced))
|
|||
|
|
m_MaterialScopeList.RegisterHeaderScope(Styles.AdvancedLabel, (uint)Expandable.Advanced, DrawAdvancedOptions);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void ShaderPropertiesGUI(Material material)
|
|||
|
|
{
|
|||
|
|
m_MaterialScopeList.DrawHeaders(materialEditor, material);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
////////////////////////////////////
|
|||
|
|
// Drawing Functions //
|
|||
|
|
////////////////////////////////////
|
|||
|
|
#region DrawingFunctions
|
|||
|
|
|
|||
|
|
internal void DrawShaderGraphProperties(Material material, IEnumerable<MaterialProperty> properties)
|
|||
|
|
{
|
|||
|
|
if (properties == null)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
ShaderGraphPropertyDrawers.DrawShaderGraphGUI(materialEditor, properties);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static void DrawFloatToggleProperty(GUIContent styles, MaterialProperty prop)
|
|||
|
|
{
|
|||
|
|
if (prop == null)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
EditorGUI.BeginChangeCheck();
|
|||
|
|
EditorGUI.showMixedValue = prop.hasMixedValue;
|
|||
|
|
bool newValue = EditorGUILayout.Toggle(styles, prop.floatValue == 1);
|
|||
|
|
if (EditorGUI.EndChangeCheck())
|
|||
|
|
prop.floatValue = newValue ? 1.0f : 0.0f;
|
|||
|
|
EditorGUI.showMixedValue = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public virtual void DrawSurfaceOptions(Material material)
|
|||
|
|
{
|
|||
|
|
DoPopup(Styles.surfaceType, surfaceTypeProp, Styles.surfaceTypeNames);
|
|||
|
|
if ((surfaceTypeProp != null) && ((SurfaceType)surfaceTypeProp.floatValue == SurfaceType.Transparent))
|
|||
|
|
DoPopup(Styles.blendingMode, blendModeProp, Styles.blendModeNames);
|
|||
|
|
|
|||
|
|
DoPopup(Styles.cullingText, cullingProp, Styles.renderFaceNames);
|
|||
|
|
DoPopup(Styles.zwriteText, zwriteProp, Styles.zwriteNames);
|
|||
|
|
|
|||
|
|
if (ztestProp != null)
|
|||
|
|
materialEditor.IntPopupShaderProperty(ztestProp, Styles.ztestText.text, Styles.ztestNames, Styles.ztestValues);
|
|||
|
|
|
|||
|
|
DrawFloatToggleProperty(Styles.alphaClipText, alphaClipProp);
|
|||
|
|
|
|||
|
|
if ((alphaClipProp != null) && (alphaCutoffProp != null) && (alphaClipProp.floatValue == 1))
|
|||
|
|
materialEditor.ShaderProperty(alphaCutoffProp, Styles.alphaClipThresholdText, 1);
|
|||
|
|
|
|||
|
|
DrawFloatToggleProperty(Styles.castShadowText, castShadowsProp);
|
|||
|
|
DrawFloatToggleProperty(Styles.receiveShadowText, receiveShadowsProp);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public virtual void DrawSurfaceInputs(Material material)
|
|||
|
|
{
|
|||
|
|
DrawBaseProperties(material);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public virtual void DrawAdvancedOptions(Material material)
|
|||
|
|
{
|
|||
|
|
// Only draw the sorting priority field if queue control is set to "auto"
|
|||
|
|
bool autoQueueControl = GetAutomaticQueueControlSetting(material);
|
|||
|
|
if (autoQueueControl)
|
|||
|
|
DrawQueueOffsetField();
|
|||
|
|
materialEditor.EnableInstancingField();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected void DrawQueueOffsetField()
|
|||
|
|
{
|
|||
|
|
if (queueOffsetProp != null)
|
|||
|
|
materialEditor.IntSliderShaderProperty(queueOffsetProp, -queueOffsetRange, queueOffsetRange, Styles.queueSlider);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[Obsolete("DrawAdditionalFoldouts has been deprecated. Use FillAdditionalFoldouts instead, and materialScopesList.RegisterHeaderScope", false)]
|
|||
|
|
public virtual void DrawAdditionalFoldouts(Material material) { }
|
|||
|
|
|
|||
|
|
public virtual void FillAdditionalFoldouts(MaterialHeaderScopeList materialScopesList) { }
|
|||
|
|
|
|||
|
|
public virtual void DrawBaseProperties(Material material)
|
|||
|
|
{
|
|||
|
|
if (baseMapProp != null && baseColorProp != null) // Draw the baseMap, most shader will have at least a baseMap
|
|||
|
|
{
|
|||
|
|
materialEditor.TexturePropertySingleLine(Styles.baseMap, baseMapProp, baseColorProp);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void DrawEmissionTextureProperty()
|
|||
|
|
{
|
|||
|
|
if ((emissionMapProp == null) || (emissionColorProp == null))
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
using (new EditorGUI.IndentLevelScope(2))
|
|||
|
|
{
|
|||
|
|
materialEditor.TexturePropertyWithHDRColor(Styles.emissionMap, emissionMapProp, emissionColorProp, false);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected virtual void DrawEmissionProperties(Material material, bool keyword)
|
|||
|
|
{
|
|||
|
|
var emissive = true;
|
|||
|
|
|
|||
|
|
if (!keyword)
|
|||
|
|
{
|
|||
|
|
DrawEmissionTextureProperty();
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
emissive = materialEditor.EmissionEnabledProperty();
|
|||
|
|
using (new EditorGUI.DisabledScope(!emissive))
|
|||
|
|
{
|
|||
|
|
DrawEmissionTextureProperty();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// If texture was assigned and color was black set color to white
|
|||
|
|
if ((emissionMapProp != null) && (emissionColorProp != null))
|
|||
|
|
{
|
|||
|
|
var hadEmissionTexture = emissionMapProp?.textureValue != null;
|
|||
|
|
var brightness = emissionColorProp.colorValue.maxColorComponent;
|
|||
|
|
if (emissionMapProp.textureValue != null && !hadEmissionTexture && brightness <= 0f)
|
|||
|
|
emissionColorProp.colorValue = Color.white;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (emissive)
|
|||
|
|
{
|
|||
|
|
// Change the GI emission flag and fix it up with emissive as black if necessary.
|
|||
|
|
materialEditor.LightmapEmissionFlagsProperty(MaterialEditor.kMiniTextureFieldLabelIndentLevel, true);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static void DrawNormalArea(MaterialEditor materialEditor, MaterialProperty bumpMap, MaterialProperty bumpMapScale = null)
|
|||
|
|
{
|
|||
|
|
if (bumpMapScale != null)
|
|||
|
|
{
|
|||
|
|
materialEditor.TexturePropertySingleLine(Styles.normalMapText, bumpMap,
|
|||
|
|
bumpMap.textureValue != null ? bumpMapScale : null);
|
|||
|
|
if (bumpMapScale.floatValue != 1 &&
|
|||
|
|
UnityEditorInternal.InternalEditorUtility.IsMobilePlatform(
|
|||
|
|
EditorUserBuildSettings.activeBuildTarget))
|
|||
|
|
if (materialEditor.HelpBoxWithButton(Styles.bumpScaleNotSupported, Styles.fixNormalNow))
|
|||
|
|
bumpMapScale.floatValue = 1;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
materialEditor.TexturePropertySingleLine(Styles.normalMapText, bumpMap);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected static void DrawTileOffset(MaterialEditor materialEditor, MaterialProperty textureProp)
|
|||
|
|
{
|
|||
|
|
if (textureProp != null)
|
|||
|
|
materialEditor.TextureScaleOffsetProperty(textureProp);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
////////////////////////////////////
|
|||
|
|
// Material Data Functions //
|
|||
|
|
////////////////////////////////////
|
|||
|
|
#region MaterialDataFunctions
|
|||
|
|
|
|||
|
|
// this function is shared with ShaderGraph Lit/Unlit GUIs and also the hand-written GUIs
|
|||
|
|
internal static void UpdateMaterialSurfaceOptions(Material material, bool automaticRenderQueue)
|
|||
|
|
{
|
|||
|
|
// Setup blending - consistent across all Universal RP shaders
|
|||
|
|
SetupMaterialBlendModeInternal(material, out int renderQueue);
|
|||
|
|
|
|||
|
|
// apply automatic render queue
|
|||
|
|
if (automaticRenderQueue && (renderQueue != material.renderQueue))
|
|||
|
|
material.renderQueue = renderQueue;
|
|||
|
|
|
|||
|
|
bool isShaderGraph = material.IsShaderGraph();
|
|||
|
|
|
|||
|
|
// Cast Shadows
|
|||
|
|
bool castShadows = true;
|
|||
|
|
if (material.HasProperty(Property.CastShadows))
|
|||
|
|
{
|
|||
|
|
castShadows = (material.GetFloat(Property.CastShadows) != 0.0f);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (isShaderGraph)
|
|||
|
|
{
|
|||
|
|
// Lit.shadergraph or Unlit.shadergraph, but no material control defined
|
|||
|
|
// enable the pass in the material, so shader can decide...
|
|||
|
|
castShadows = true;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
// Lit.shader or Unlit.shader -- set based on transparency
|
|||
|
|
castShadows = Rendering.Universal.ShaderGUI.LitGUI.IsOpaque(material);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
material.SetShaderPassEnabled("ShadowCaster", castShadows);
|
|||
|
|
|
|||
|
|
// Receive Shadows
|
|||
|
|
if (material.HasProperty(Property.ReceiveShadows))
|
|||
|
|
CoreUtils.SetKeyword(material, ShaderKeywordStrings._RECEIVE_SHADOWS_OFF, material.GetFloat(Property.ReceiveShadows) == 0.0f);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// this function is shared between ShaderGraph and hand-written GUIs
|
|||
|
|
internal static void UpdateMaterialRenderQueueControl(Material material)
|
|||
|
|
{
|
|||
|
|
//
|
|||
|
|
// Render Queue Control handling
|
|||
|
|
//
|
|||
|
|
// Check for a raw render queue (the actual serialized setting - material.renderQueue has already been converted)
|
|||
|
|
// setting of -1, indicating that the material property should be inherited from the shader.
|
|||
|
|
// If we find this, add a new property "render queue control" set to 0 so we will
|
|||
|
|
// always know to follow the surface type of the material (this matches the hand-written behavior)
|
|||
|
|
// If we find another value, add the the property set to 1 so we will know that the
|
|||
|
|
// user has explicitly selected a render queue and we should not override it.
|
|||
|
|
//
|
|||
|
|
bool isShaderGraph = material.IsShaderGraph(); // Non-shadergraph materials use automatic behavior
|
|||
|
|
int rawRenderQueue = MaterialAccess.ReadMaterialRawRenderQueue(material);
|
|||
|
|
if (!isShaderGraph || rawRenderQueue == -1)
|
|||
|
|
{
|
|||
|
|
material.SetFloat(Property.QueueControl, (float)QueueControl.Auto); // Automatic behavior - surface type override
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
material.SetFloat(Property.QueueControl, (float)QueueControl.UserOverride); // User has selected explicit render queue
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static bool GetAutomaticQueueControlSetting(Material material)
|
|||
|
|
{
|
|||
|
|
// If a Shader Graph material doesn't yet have the queue control property,
|
|||
|
|
// we should not engage automatic behavior until the shader gets reimported.
|
|||
|
|
bool automaticQueueControl = !material.IsShaderGraph();
|
|||
|
|
if (material.HasProperty(Property.QueueControl))
|
|||
|
|
{
|
|||
|
|
var queueControl = material.GetFloat(Property.QueueControl);
|
|||
|
|
if (queueControl < 0.0f)
|
|||
|
|
{
|
|||
|
|
// The property was added with a negative value, indicating it needs to be validated for this material
|
|||
|
|
UpdateMaterialRenderQueueControl(material);
|
|||
|
|
}
|
|||
|
|
automaticQueueControl = (material.GetFloat(Property.QueueControl) == (float)QueueControl.Auto);
|
|||
|
|
}
|
|||
|
|
return automaticQueueControl;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// this is the function used by Lit.shader, Unlit.shader GUIs
|
|||
|
|
public static void SetMaterialKeywords(Material material, Action<Material> shadingModelFunc = null, Action<Material> shaderFunc = null)
|
|||
|
|
{
|
|||
|
|
UpdateMaterialSurfaceOptions(material, automaticRenderQueue: true);
|
|||
|
|
|
|||
|
|
// Setup double sided GI based on Cull state
|
|||
|
|
if (material.HasProperty(Property.CullMode))
|
|||
|
|
material.doubleSidedGI = (RenderFace)material.GetFloat(Property.CullMode) != RenderFace.Front;
|
|||
|
|
|
|||
|
|
// Temporary fix for lightmapping. TODO: to be replaced with attribute tag.
|
|||
|
|
if (material.HasProperty("_MainTex"))
|
|||
|
|
{
|
|||
|
|
material.SetTexture("_MainTex", material.GetTexture("_BaseMap"));
|
|||
|
|
material.SetTextureScale("_MainTex", material.GetTextureScale("_BaseMap"));
|
|||
|
|
material.SetTextureOffset("_MainTex", material.GetTextureOffset("_BaseMap"));
|
|||
|
|
}
|
|||
|
|
if (material.HasProperty("_Color"))
|
|||
|
|
material.SetColor("_Color", material.GetColor("_BaseColor"));
|
|||
|
|
|
|||
|
|
// Emission
|
|||
|
|
if (material.HasProperty(Property.EmissionColor))
|
|||
|
|
MaterialEditor.FixupEmissiveFlag(material);
|
|||
|
|
|
|||
|
|
bool shouldEmissionBeEnabled =
|
|||
|
|
(material.globalIlluminationFlags & MaterialGlobalIlluminationFlags.EmissiveIsBlack) == 0;
|
|||
|
|
|
|||
|
|
// Not sure what this is used for, I don't see this property declared by any Unity shader in our repo...
|
|||
|
|
// I'm guessing it is some kind of legacy material upgrade support thing? Or maybe just dead code now...
|
|||
|
|
if (material.HasProperty("_EmissionEnabled") && !shouldEmissionBeEnabled)
|
|||
|
|
shouldEmissionBeEnabled = material.GetFloat("_EmissionEnabled") >= 0.5f;
|
|||
|
|
|
|||
|
|
CoreUtils.SetKeyword(material, ShaderKeywordStrings._EMISSION, shouldEmissionBeEnabled);
|
|||
|
|
|
|||
|
|
// Normal Map
|
|||
|
|
if (material.HasProperty("_BumpMap"))
|
|||
|
|
CoreUtils.SetKeyword(material, ShaderKeywordStrings._NORMALMAP, material.GetTexture("_BumpMap"));
|
|||
|
|
|
|||
|
|
// Shader specific keyword functions
|
|||
|
|
shadingModelFunc?.Invoke(material);
|
|||
|
|
shaderFunc?.Invoke(material);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static void SetMaterialSrcDstBlendProperties(Material material, UnityEngine.Rendering.BlendMode srcBlend, UnityEngine.Rendering.BlendMode dstBlend)
|
|||
|
|
{
|
|||
|
|
if (material.HasProperty(Property.SrcBlend))
|
|||
|
|
material.SetFloat(Property.SrcBlend, (float)srcBlend);
|
|||
|
|
|
|||
|
|
if (material.HasProperty(Property.DstBlend))
|
|||
|
|
material.SetFloat(Property.DstBlend, (float)dstBlend);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static void SetMaterialZWriteProperty(Material material, bool zwriteEnabled)
|
|||
|
|
{
|
|||
|
|
if (material.HasProperty(Property.ZWrite))
|
|||
|
|
material.SetFloat(Property.ZWrite, zwriteEnabled ? 1.0f : 0.0f);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static void SetupMaterialBlendModeInternal(Material material, out int automaticRenderQueue)
|
|||
|
|
{
|
|||
|
|
if (material == null)
|
|||
|
|
throw new ArgumentNullException("material");
|
|||
|
|
|
|||
|
|
bool alphaClip = false;
|
|||
|
|
if (material.HasProperty(Property.AlphaClip))
|
|||
|
|
alphaClip = material.GetFloat(Property.AlphaClip) >= 0.5;
|
|||
|
|
CoreUtils.SetKeyword(material, ShaderKeywordStrings._ALPHATEST_ON, alphaClip);
|
|||
|
|
|
|||
|
|
// default is to use the shader render queue
|
|||
|
|
int renderQueue = material.shader.renderQueue;
|
|||
|
|
material.SetOverrideTag("RenderType", ""); // clear override tag
|
|||
|
|
if (material.HasProperty(Property.SurfaceType))
|
|||
|
|
{
|
|||
|
|
SurfaceType surfaceType = (SurfaceType)material.GetFloat(Property.SurfaceType);
|
|||
|
|
bool zwrite = false;
|
|||
|
|
CoreUtils.SetKeyword(material, ShaderKeywordStrings._SURFACE_TYPE_TRANSPARENT, surfaceType == SurfaceType.Transparent);
|
|||
|
|
if (surfaceType == SurfaceType.Opaque)
|
|||
|
|
{
|
|||
|
|
if (alphaClip)
|
|||
|
|
{
|
|||
|
|
renderQueue = (int)RenderQueue.AlphaTest;
|
|||
|
|
material.SetOverrideTag("RenderType", "TransparentCutout");
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
renderQueue = (int)RenderQueue.Geometry;
|
|||
|
|
material.SetOverrideTag("RenderType", "Opaque");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
SetMaterialSrcDstBlendProperties(material, UnityEngine.Rendering.BlendMode.One, UnityEngine.Rendering.BlendMode.Zero);
|
|||
|
|
zwrite = true;
|
|||
|
|
material.DisableKeyword(ShaderKeywordStrings._ALPHAPREMULTIPLY_ON);
|
|||
|
|
material.DisableKeyword(ShaderKeywordStrings._SURFACE_TYPE_TRANSPARENT);
|
|||
|
|
}
|
|||
|
|
else // SurfaceType Transparent
|
|||
|
|
{
|
|||
|
|
BlendMode blendMode = (BlendMode)material.GetFloat(Property.BlendMode);
|
|||
|
|
|
|||
|
|
material.DisableKeyword(ShaderKeywordStrings._ALPHAPREMULTIPLY_ON);
|
|||
|
|
material.DisableKeyword(ShaderKeywordStrings._ALPHAMODULATE_ON);
|
|||
|
|
|
|||
|
|
// Specific Transparent Mode Settings
|
|||
|
|
switch (blendMode)
|
|||
|
|
{
|
|||
|
|
case BlendMode.Alpha:
|
|||
|
|
SetMaterialSrcDstBlendProperties(material,
|
|||
|
|
UnityEngine.Rendering.BlendMode.SrcAlpha,
|
|||
|
|
UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
|
|||
|
|
break;
|
|||
|
|
case BlendMode.Premultiply:
|
|||
|
|
SetMaterialSrcDstBlendProperties(material,
|
|||
|
|
UnityEngine.Rendering.BlendMode.One,
|
|||
|
|
UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
|
|||
|
|
material.EnableKeyword(ShaderKeywordStrings._ALPHAPREMULTIPLY_ON);
|
|||
|
|
break;
|
|||
|
|
case BlendMode.Additive:
|
|||
|
|
SetMaterialSrcDstBlendProperties(material,
|
|||
|
|
UnityEngine.Rendering.BlendMode.SrcAlpha,
|
|||
|
|
UnityEngine.Rendering.BlendMode.One);
|
|||
|
|
break;
|
|||
|
|
case BlendMode.Multiply:
|
|||
|
|
SetMaterialSrcDstBlendProperties(material,
|
|||
|
|
UnityEngine.Rendering.BlendMode.DstColor,
|
|||
|
|
UnityEngine.Rendering.BlendMode.Zero);
|
|||
|
|
material.EnableKeyword(ShaderKeywordStrings._ALPHAMODULATE_ON);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// General Transparent Material Settings
|
|||
|
|
material.SetOverrideTag("RenderType", "Transparent");
|
|||
|
|
zwrite = false;
|
|||
|
|
material.EnableKeyword(ShaderKeywordStrings._SURFACE_TYPE_TRANSPARENT);
|
|||
|
|
renderQueue = (int)RenderQueue.Transparent;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// check for override enum
|
|||
|
|
if (material.HasProperty(Property.ZWriteControl))
|
|||
|
|
{
|
|||
|
|
var zwriteControl = (UnityEditor.Rendering.Universal.ShaderGraph.ZWriteControl)material.GetFloat(Property.ZWriteControl);
|
|||
|
|
if (zwriteControl == UnityEditor.Rendering.Universal.ShaderGraph.ZWriteControl.ForceEnabled)
|
|||
|
|
zwrite = true;
|
|||
|
|
else if (zwriteControl == UnityEditor.Rendering.Universal.ShaderGraph.ZWriteControl.ForceDisabled)
|
|||
|
|
zwrite = false;
|
|||
|
|
}
|
|||
|
|
SetMaterialZWriteProperty(material, zwrite);
|
|||
|
|
material.SetShaderPassEnabled("DepthOnly", zwrite);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
// no surface type property -- must be hard-coded by the shadergraph,
|
|||
|
|
// so ensure the pass is enabled at the material level
|
|||
|
|
material.SetShaderPassEnabled("DepthOnly", true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// must always apply queue offset, even if not set to material control
|
|||
|
|
if (material.HasProperty(Property.QueueOffset))
|
|||
|
|
renderQueue += (int)material.GetFloat(Property.QueueOffset);
|
|||
|
|
|
|||
|
|
automaticRenderQueue = renderQueue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static void SetupMaterialBlendMode(Material material)
|
|||
|
|
{
|
|||
|
|
SetupMaterialBlendModeInternal(material, out int renderQueue);
|
|||
|
|
|
|||
|
|
// apply automatic render queue
|
|||
|
|
if (renderQueue != material.renderQueue)
|
|||
|
|
material.renderQueue = renderQueue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void AssignNewShaderToMaterial(Material material, Shader oldShader, Shader newShader)
|
|||
|
|
{
|
|||
|
|
// Clear all keywords for fresh start
|
|||
|
|
// Note: this will nuke user-selected custom keywords when they change shaders
|
|||
|
|
material.shaderKeywords = null;
|
|||
|
|
|
|||
|
|
base.AssignNewShaderToMaterial(material, oldShader, newShader);
|
|||
|
|
|
|||
|
|
// Setup keywords based on the new shader
|
|||
|
|
UpdateMaterial(material, MaterialUpdateType.ChangedAssignedShader);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
////////////////////////////////////
|
|||
|
|
// Helper Functions //
|
|||
|
|
////////////////////////////////////
|
|||
|
|
#region HelperFunctions
|
|||
|
|
|
|||
|
|
public static void TwoFloatSingleLine(GUIContent title, MaterialProperty prop1, GUIContent prop1Label,
|
|||
|
|
MaterialProperty prop2, GUIContent prop2Label, MaterialEditor materialEditor, float labelWidth = 30f)
|
|||
|
|
{
|
|||
|
|
const int kInterFieldPadding = 2;
|
|||
|
|
|
|||
|
|
Rect rect = EditorGUILayout.GetControlRect();
|
|||
|
|
EditorGUI.PrefixLabel(rect, title);
|
|||
|
|
|
|||
|
|
var indent = EditorGUI.indentLevel;
|
|||
|
|
var preLabelWidth = EditorGUIUtility.labelWidth;
|
|||
|
|
EditorGUI.indentLevel = 0;
|
|||
|
|
EditorGUIUtility.labelWidth = labelWidth;
|
|||
|
|
|
|||
|
|
Rect propRect1 = new Rect(rect.x + preLabelWidth, rect.y,
|
|||
|
|
(rect.width - preLabelWidth) * 0.5f - 1, EditorGUIUtility.singleLineHeight);
|
|||
|
|
EditorGUI.BeginChangeCheck();
|
|||
|
|
EditorGUI.showMixedValue = prop1.hasMixedValue;
|
|||
|
|
var prop1val = EditorGUI.FloatField(propRect1, prop1Label, prop1.floatValue);
|
|||
|
|
if (EditorGUI.EndChangeCheck())
|
|||
|
|
prop1.floatValue = prop1val;
|
|||
|
|
|
|||
|
|
Rect propRect2 = new Rect(propRect1.x + propRect1.width + kInterFieldPadding, rect.y,
|
|||
|
|
propRect1.width, EditorGUIUtility.singleLineHeight);
|
|||
|
|
EditorGUI.BeginChangeCheck();
|
|||
|
|
EditorGUI.showMixedValue = prop2.hasMixedValue;
|
|||
|
|
var prop2val = EditorGUI.FloatField(propRect2, prop2Label, prop2.floatValue);
|
|||
|
|
if (EditorGUI.EndChangeCheck())
|
|||
|
|
prop2.floatValue = prop2val;
|
|||
|
|
|
|||
|
|
EditorGUI.indentLevel = indent;
|
|||
|
|
EditorGUIUtility.labelWidth = preLabelWidth;
|
|||
|
|
|
|||
|
|
EditorGUI.showMixedValue = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void DoPopup(GUIContent label, MaterialProperty property, string[] options)
|
|||
|
|
{
|
|||
|
|
if (property != null)
|
|||
|
|
materialEditor.PopupShaderProperty(property, label, options);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Helper to show texture and color properties
|
|||
|
|
public static Rect TextureColorProps(MaterialEditor materialEditor, GUIContent label, MaterialProperty textureProp, MaterialProperty colorProp, bool hdr = false)
|
|||
|
|
{
|
|||
|
|
Rect rect = EditorGUILayout.GetControlRect();
|
|||
|
|
EditorGUI.showMixedValue = textureProp.hasMixedValue;
|
|||
|
|
materialEditor.TexturePropertyMiniThumbnail(rect, textureProp, label.text, label.tooltip);
|
|||
|
|
EditorGUI.showMixedValue = false;
|
|||
|
|
|
|||
|
|
if (colorProp != null)
|
|||
|
|
{
|
|||
|
|
EditorGUI.BeginChangeCheck();
|
|||
|
|
EditorGUI.showMixedValue = colorProp.hasMixedValue;
|
|||
|
|
int indentLevel = EditorGUI.indentLevel;
|
|||
|
|
EditorGUI.indentLevel = 0;
|
|||
|
|
Rect rectAfterLabel = new Rect(rect.x + EditorGUIUtility.labelWidth, rect.y,
|
|||
|
|
EditorGUIUtility.fieldWidth, EditorGUIUtility.singleLineHeight);
|
|||
|
|
var col = EditorGUI.ColorField(rectAfterLabel, GUIContent.none, colorProp.colorValue, true,
|
|||
|
|
false, hdr);
|
|||
|
|
EditorGUI.indentLevel = indentLevel;
|
|||
|
|
if (EditorGUI.EndChangeCheck())
|
|||
|
|
{
|
|||
|
|
materialEditor.RegisterPropertyChangeUndo(colorProp.displayName);
|
|||
|
|
colorProp.colorValue = col;
|
|||
|
|
}
|
|||
|
|
EditorGUI.showMixedValue = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return rect;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Copied from shaderGUI as it is a protected function in an abstract class, unavailable to others
|
|||
|
|
public new static MaterialProperty FindProperty(string propertyName, MaterialProperty[] properties)
|
|||
|
|
{
|
|||
|
|
return FindProperty(propertyName, properties, true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Copied from shaderGUI as it is a protected function in an abstract class, unavailable to others
|
|||
|
|
public new static MaterialProperty FindProperty(string propertyName, MaterialProperty[] properties, bool propertyIsMandatory)
|
|||
|
|
{
|
|||
|
|
for (int index = 0; index < properties.Length; ++index)
|
|||
|
|
{
|
|||
|
|
if (properties[index] != null && properties[index].name == propertyName)
|
|||
|
|
return properties[index];
|
|||
|
|
}
|
|||
|
|
if (propertyIsMandatory)
|
|||
|
|
throw new ArgumentException("Could not find MaterialProperty: '" + propertyName + "', Num properties: " + (object)properties.Length);
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|