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720 行
34 KiB
720 行
34 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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namespace UnityEditor
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{
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internal class LightweightStandardParticlesShaderGUI : ShaderGUI
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{
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public enum BlendMode
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{
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Opaque,
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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
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Additive,
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Subtractive,
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Modulate
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}
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public enum FlipbookMode
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{
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Simple,
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Blended
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}
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public enum ColorMode
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{
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Multiply,
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Additive,
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Subtractive,
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Overlay,
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Color,
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Difference
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}
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private static class Styles
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{
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public static GUIContent albedoText = new GUIContent("Albedo", "Albedo (RGB) and Transparency (A).");
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public static GUIContent alphaCutoffText = new GUIContent("Alpha Cutoff", "Threshold for alpha cutoff.");
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public static GUIContent metallicMapText = new GUIContent("Metallic", "Metallic (R) and Smoothness (A).");
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public static GUIContent smoothnessText = new GUIContent("Smoothness", "Smoothness value.");
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public static GUIContent smoothnessScaleText = new GUIContent("Smoothness", "Smoothness scale factor.");
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public static GUIContent normalMapText = new GUIContent("Normal Map", "Normal Map.");
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public static GUIContent emissionText = new GUIContent("Color", "Emission (RGB).");
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public static GUIContent renderingMode = new GUIContent("Rendering Mode", "Determines the transparency and blending method for drawing the object to the screen.");
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public static GUIContent[] blendNames = Array.ConvertAll(Enum.GetNames(typeof(BlendMode)), item => new GUIContent(item));
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public static GUIContent colorMode = new GUIContent("Color Mode", "Determines the blending mode between the particle color and the texture albedo.");
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public static GUIContent[] colorNames = Array.ConvertAll(Enum.GetNames(typeof(ColorMode)), item => new GUIContent(item));
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public static GUIContent flipbookMode = new GUIContent("Flip-Book Mode", "Determines the blending mode used for animated texture sheets.");
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public static GUIContent[] flipbookNames = Array.ConvertAll(Enum.GetNames(typeof(FlipbookMode)), item => new GUIContent(item));
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public static GUIContent twoSidedEnabled = new GUIContent("Two Sided", "Render both front and back faces of the particle geometry.");
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public static GUIContent softParticlesEnabled = new GUIContent("Enable Soft Particles", "Fade out particle geometry when it gets close to the surface of objects written into the depth buffer.");
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public static GUIContent softParticlesNearFadeDistanceText = new GUIContent("Near fade", "Soft Particles near fade distance.");
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public static GUIContent softParticlesFarFadeDistanceText = new GUIContent("Far fade", "Soft Particles far fade distance.");
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public static GUIContent cameraFadingEnabled = new GUIContent("Enable Camera Fading", "Fade out particle geometry when it gets close to the camera.");
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public static GUIContent cameraNearFadeDistanceText = new GUIContent("Near fade", "Camera near fade distance.");
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public static GUIContent cameraFarFadeDistanceText = new GUIContent("Far fade", "Camera far fade distance.");
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public static GUIContent emissionEnabled = new GUIContent("Emission");
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public static string blendingOptionsText = "Blending Options";
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public static string mainOptionsText = "Main Options";
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public static string mapsOptionsText = "Maps";
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public static string advancedOptionsText = "Advanced Options";
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public static string requiredVertexStreamsText = "Required Vertex Streams";
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public static string streamPositionText = "Position (POSITION.xyz)";
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public static string streamNormalText = "Normal (NORMAL.xyz)";
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public static string streamColorText = "Color (COLOR.xyzw)";
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public static string streamUVText = "UV (TEXCOORD0.xy)";
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public static string streamUV2Text = "UV2 (TEXCOORD0.zw)";
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public static string streamAnimBlendText = "AnimBlend (TEXCOORD1.x)";
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public static string streamTangentText = "Tangent (TANGENT.xyzw)";
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public static GUIContent streamApplyToAllSystemsText = new GUIContent("Apply to Systems", "Apply the vertex stream layout to all Particle Systems using this material");
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}
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MaterialProperty blendMode;
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MaterialProperty colorMode;
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MaterialProperty flipbookMode;
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MaterialProperty cullMode;
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MaterialProperty albedoMap;
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MaterialProperty albedoColor;
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MaterialProperty alphaCutoff;
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MaterialProperty metallicMap;
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MaterialProperty metallic;
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MaterialProperty smoothness;
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MaterialProperty bumpScale;
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MaterialProperty bumpMap;
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MaterialProperty emissionEnabled;
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MaterialProperty emissionColorForRendering;
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MaterialProperty emissionMap;
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MaterialProperty softParticlesEnabled;
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MaterialProperty cameraFadingEnabled;
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MaterialProperty softParticlesNearFadeDistance;
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MaterialProperty softParticlesFarFadeDistance;
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MaterialProperty cameraNearFadeDistance;
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MaterialProperty cameraFarFadeDistance;
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MaterialEditor m_MaterialEditor;
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List<ParticleSystemRenderer> m_RenderersUsingThisMaterial = new List<ParticleSystemRenderer>();
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bool m_FirstTimeApply = true;
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public void FindProperties(MaterialProperty[] props)
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{
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blendMode = FindProperty("_Mode", props);
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colorMode = FindProperty("_ColorMode", props, false);
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flipbookMode = FindProperty("_FlipbookMode", props);
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cullMode = FindProperty("_Cull", props);
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albedoMap = FindProperty("_MainTex", props);
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albedoColor = FindProperty("_Color", props);
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alphaCutoff = FindProperty("_Cutoff", props);
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metallicMap = FindProperty("_MetallicGlossMap", props, false);
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metallic = FindProperty("_Metallic", props, false);
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smoothness = FindProperty("_Glossiness", props, false);
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bumpScale = FindProperty("_BumpScale", props);
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bumpMap = FindProperty("_BumpMap", props);
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emissionEnabled = FindProperty("_EmissionEnabled", props);
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emissionColorForRendering = FindProperty("_EmissionColor", props);
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emissionMap = FindProperty("_EmissionMap", props);
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softParticlesEnabled = FindProperty("_SoftParticlesEnabled", props);
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cameraFadingEnabled = FindProperty("_CameraFadingEnabled", props);
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softParticlesNearFadeDistance = FindProperty("_SoftParticlesNearFadeDistance", props);
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softParticlesFarFadeDistance = FindProperty("_SoftParticlesFarFadeDistance", props);
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cameraNearFadeDistance = FindProperty("_CameraNearFadeDistance", props);
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cameraFarFadeDistance = FindProperty("_CameraFarFadeDistance", props);
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}
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public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] props)
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{
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FindProperties(props); // MaterialProperties can be animated so we do not cache them but fetch them every event to ensure animated values are updated correctly
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m_MaterialEditor = materialEditor;
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Material material = materialEditor.target as Material;
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if (m_FirstTimeApply)
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{
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MaterialChanged(material);
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CacheRenderersUsingThisMaterial(material);
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m_FirstTimeApply = false;
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}
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ShaderPropertiesGUI(material);
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}
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public void ShaderPropertiesGUI(Material material)
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{
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// Use default labelWidth
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EditorGUIUtility.labelWidth = 0f;
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// Detect any changes to the material
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EditorGUI.BeginChangeCheck();
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{
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GUILayout.Label(Styles.blendingOptionsText, EditorStyles.boldLabel);
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BlendModePopup();
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ColorModePopup();
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EditorGUILayout.Space();
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GUILayout.Label(Styles.mainOptionsText, EditorStyles.boldLabel);
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FlipbookModePopup();
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TwoSidedPopup(material);
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FadingPopup(material);
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EditorGUILayout.Space();
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GUILayout.Label(Styles.mapsOptionsText, EditorStyles.boldLabel);
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DoAlbedoArea(material);
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DoSpecularMetallicArea(material);
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DoNormalMapArea(material);
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DoEmissionArea(material);
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if (!flipbookMode.hasMixedValue && (FlipbookMode)flipbookMode.floatValue != FlipbookMode.Blended)
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{
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EditorGUI.BeginChangeCheck();
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m_MaterialEditor.TextureScaleOffsetProperty(albedoMap);
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if (EditorGUI.EndChangeCheck())
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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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}
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if (EditorGUI.EndChangeCheck())
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{
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foreach (var obj in blendMode.targets)
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MaterialChanged((Material)obj);
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}
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EditorGUILayout.Space();
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GUILayout.Label(Styles.advancedOptionsText, EditorStyles.boldLabel);
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m_MaterialEditor.RenderQueueField();
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EditorGUILayout.Space();
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GUILayout.Label(Styles.requiredVertexStreamsText, EditorStyles.boldLabel);
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DoVertexStreamsArea(material);
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}
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public override void AssignNewShaderToMaterial(Material material, Shader oldShader, Shader newShader)
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{
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// Sync the lighting flag for the unlit shader
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if (newShader.name.Contains("Unlit"))
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material.SetFloat("_LightingEnabled", 0.0f);
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else
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material.SetFloat("_LightingEnabled", 1.0f);
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// _Emission property is lost after assigning Standard shader to the material
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// thus transfer it before assigning the new shader
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if (material.HasProperty("_Emission"))
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{
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material.SetColor("_EmissionColor", material.GetColor("_Emission"));
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}
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base.AssignNewShaderToMaterial(material, oldShader, newShader);
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if (oldShader == null || !oldShader.name.Contains("Legacy Shaders/"))
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{
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SetupMaterialWithBlendMode(material, (BlendMode)material.GetFloat("_Mode"));
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return;
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}
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BlendMode blendMode = BlendMode.Opaque;
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if (oldShader.name.Contains("/Transparent/Cutout/"))
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{
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blendMode = BlendMode.Cutout;
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}
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else if (oldShader.name.Contains("/Transparent/"))
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{
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// NOTE: legacy shaders did not provide physically based transparency
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// therefore Fade mode
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blendMode = BlendMode.Fade;
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}
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material.SetFloat("_Mode", (float)blendMode);
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MaterialChanged(material);
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}
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void BlendModePopup()
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{
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EditorGUI.showMixedValue = blendMode.hasMixedValue;
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var mode = (BlendMode)blendMode.floatValue;
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EditorGUI.BeginChangeCheck();
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mode = (BlendMode)EditorGUILayout.Popup(Styles.renderingMode, (int)mode, Styles.blendNames);
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Rendering Mode");
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blendMode.floatValue = (float)mode;
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}
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EditorGUI.showMixedValue = false;
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}
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void ColorModePopup()
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{
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if (colorMode != null)
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{
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EditorGUI.showMixedValue = colorMode.hasMixedValue;
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var mode = (ColorMode)colorMode.floatValue;
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EditorGUI.BeginChangeCheck();
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mode = (ColorMode)EditorGUILayout.Popup(Styles.colorMode, (int)mode, Styles.colorNames);
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Color Mode");
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colorMode.floatValue = (float)mode;
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}
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EditorGUI.showMixedValue = false;
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}
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}
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void FlipbookModePopup()
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{
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EditorGUI.showMixedValue = flipbookMode.hasMixedValue;
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var mode = (FlipbookMode)flipbookMode.floatValue;
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EditorGUI.BeginChangeCheck();
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mode = (FlipbookMode)EditorGUILayout.Popup(Styles.flipbookMode, (int)mode, Styles.flipbookNames);
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Flip-Book Mode");
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flipbookMode.floatValue = (float)mode;
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}
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EditorGUI.showMixedValue = false;
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}
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void TwoSidedPopup(Material material)
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{
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EditorGUI.showMixedValue = cullMode.hasMixedValue;
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var enabled = (cullMode.floatValue == (float)UnityEngine.Rendering.CullMode.Off);
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EditorGUI.BeginChangeCheck();
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enabled = EditorGUILayout.Toggle(Styles.twoSidedEnabled, enabled);
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Two Sided Enabled");
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cullMode.floatValue = enabled ? (float)UnityEngine.Rendering.CullMode.Off : (float)UnityEngine.Rendering.CullMode.Back;
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}
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EditorGUI.showMixedValue = false;
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}
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void FadingPopup(Material material)
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{
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// Z write doesn't work with fading
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bool hasZWrite = (material.GetInt("_ZWrite") != 0);
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if (!hasZWrite)
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{
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// Soft Particles
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{
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EditorGUI.showMixedValue = softParticlesEnabled.hasMixedValue;
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var enabled = softParticlesEnabled.floatValue;
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EditorGUI.BeginChangeCheck();
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enabled = EditorGUILayout.Toggle(Styles.softParticlesEnabled, enabled != 0.0f) ? 1.0f : 0.0f;
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Soft Particles Enabled");
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softParticlesEnabled.floatValue = enabled;
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}
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if (enabled != 0.0f)
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{
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int indentation = 2;
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m_MaterialEditor.ShaderProperty(softParticlesNearFadeDistance, Styles.softParticlesNearFadeDistanceText, indentation);
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m_MaterialEditor.ShaderProperty(softParticlesFarFadeDistance, Styles.softParticlesFarFadeDistanceText, indentation);
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}
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}
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// Camera Fading
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{
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EditorGUI.showMixedValue = cameraFadingEnabled.hasMixedValue;
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var enabled = cameraFadingEnabled.floatValue;
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EditorGUI.BeginChangeCheck();
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enabled = EditorGUILayout.Toggle(Styles.cameraFadingEnabled, enabled != 0.0f) ? 1.0f : 0.0f;
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Camera Fading Enabled");
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cameraFadingEnabled.floatValue = enabled;
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}
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if (enabled != 0.0f)
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{
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int indentation = 2;
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m_MaterialEditor.ShaderProperty(cameraNearFadeDistance, Styles.cameraNearFadeDistanceText, indentation);
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m_MaterialEditor.ShaderProperty(cameraFarFadeDistance, Styles.cameraFarFadeDistanceText, indentation);
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}
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}
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EditorGUI.showMixedValue = false;
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}
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}
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void DoAlbedoArea(Material material)
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{
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m_MaterialEditor.TexturePropertyWithHDRColor(Styles.albedoText, albedoMap, albedoColor, true);
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if (((BlendMode)material.GetFloat("_Mode") == BlendMode.Cutout))
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{
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m_MaterialEditor.ShaderProperty(alphaCutoff, Styles.alphaCutoffText, MaterialEditor.kMiniTextureFieldLabelIndentLevel);
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}
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}
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void DoEmissionArea(Material material)
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{
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// Emission
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EditorGUI.showMixedValue = emissionEnabled.hasMixedValue;
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var enabled = (emissionEnabled.floatValue != 0.0f);
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EditorGUI.BeginChangeCheck();
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enabled = EditorGUILayout.Toggle(Styles.emissionEnabled, enabled);
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if (EditorGUI.EndChangeCheck())
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{
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m_MaterialEditor.RegisterPropertyChangeUndo("Emission Enabled");
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emissionEnabled.floatValue = enabled ? 1.0f : 0.0f;
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}
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if (enabled)
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{
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bool hadEmissionTexture = emissionMap.textureValue != null;
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// Texture and HDR color controls
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m_MaterialEditor.TexturePropertyWithHDRColor(Styles.emissionText, emissionMap, emissionColorForRendering, false);
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// If texture was assigned and color was black set color to white
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float brightness = emissionColorForRendering.colorValue.maxColorComponent;
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if (emissionMap.textureValue != null && !hadEmissionTexture && brightness <= 0f)
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emissionColorForRendering.colorValue = Color.white;
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}
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}
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void DoSpecularMetallicArea(Material material)
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{
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if (metallicMap == null)
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return;
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bool useLighting = (material.GetFloat("_LightingEnabled") > 0.0f);
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if (useLighting)
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{
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bool hasGlossMap = metallicMap.textureValue != null;
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m_MaterialEditor.TexturePropertySingleLine(Styles.metallicMapText, metallicMap, hasGlossMap ? null : metallic);
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int indentation = 2; // align with labels of texture properties
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bool showSmoothnessScale = hasGlossMap;
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m_MaterialEditor.ShaderProperty(smoothness, showSmoothnessScale ? Styles.smoothnessScaleText : Styles.smoothnessText, indentation);
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}
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}
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void DoNormalMapArea(Material material)
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{
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bool useLighting = (material.GetFloat("_LightingEnabled") > 0.0f);
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if (useLighting)
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{
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m_MaterialEditor.TexturePropertySingleLine(Styles.normalMapText, bumpMap, bumpMap.textureValue != null ? bumpScale : null);
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}
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}
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void DoVertexStreamsArea(Material material)
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{
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// Display list of streams required to make this shader work
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bool useLighting = (material.GetFloat("_LightingEnabled") > 0.0f);
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bool useFlipbookBlending = (material.GetFloat("_FlipbookMode") > 0.0f);
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bool useTangents = material.GetTexture("_BumpMap") && useLighting;
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GUILayout.Label(Styles.streamPositionText, EditorStyles.label);
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if (useLighting)
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GUILayout.Label(Styles.streamNormalText, EditorStyles.label);
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GUILayout.Label(Styles.streamColorText, EditorStyles.label);
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GUILayout.Label(Styles.streamUVText, EditorStyles.label);
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if (useFlipbookBlending)
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{
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GUILayout.Label(Styles.streamUV2Text, EditorStyles.label);
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GUILayout.Label(Styles.streamAnimBlendText, EditorStyles.label);
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}
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if (useTangents)
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GUILayout.Label(Styles.streamTangentText, EditorStyles.label);
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// Build the list of expected vertex streams
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List<ParticleSystemVertexStream> streams = new List<ParticleSystemVertexStream>();
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streams.Add(ParticleSystemVertexStream.Position);
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if (useLighting)
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streams.Add(ParticleSystemVertexStream.Normal);
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streams.Add(ParticleSystemVertexStream.Color);
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streams.Add(ParticleSystemVertexStream.UV);
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if (useFlipbookBlending)
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{
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streams.Add(ParticleSystemVertexStream.UV2);
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streams.Add(ParticleSystemVertexStream.AnimBlend);
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}
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if (useTangents)
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streams.Add(ParticleSystemVertexStream.Tangent);
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// Set the streams on all systems using this material
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if (GUILayout.Button(Styles.streamApplyToAllSystemsText, EditorStyles.miniButton, GUILayout.ExpandWidth(false)))
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{
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foreach (ParticleSystemRenderer renderer in m_RenderersUsingThisMaterial)
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{
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renderer.SetActiveVertexStreams(streams);
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}
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}
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// Display a warning if any renderers have incorrect vertex streams
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string Warnings = "";
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List<ParticleSystemVertexStream> rendererStreams = new List<ParticleSystemVertexStream>();
|
|
foreach (ParticleSystemRenderer renderer in m_RenderersUsingThisMaterial)
|
|
{
|
|
renderer.GetActiveVertexStreams(rendererStreams);
|
|
if (!rendererStreams.SequenceEqual(streams))
|
|
Warnings += " " + renderer.name + "\n";
|
|
}
|
|
if (Warnings != "")
|
|
{
|
|
EditorGUILayout.HelpBox("The following Particle System Renderers are using this material with incorrect Vertex Streams:\n" + Warnings + "Use the Apply to Systems button to fix this", MessageType.Warning, true);
|
|
}
|
|
|
|
EditorGUILayout.Space();
|
|
}
|
|
|
|
public static void SetupMaterialWithBlendMode(Material material, BlendMode blendMode)
|
|
{
|
|
switch (blendMode)
|
|
{
|
|
case BlendMode.Opaque:
|
|
material.SetOverrideTag("RenderType", "");
|
|
material.SetInt("_BlendOp", (int)UnityEngine.Rendering.BlendOp.Add);
|
|
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.DisableKeyword("_ALPHAMODULATE_ON");
|
|
material.renderQueue = -1;
|
|
break;
|
|
case BlendMode.Cutout:
|
|
material.SetOverrideTag("RenderType", "TransparentCutout");
|
|
material.SetInt("_BlendOp", (int)UnityEngine.Rendering.BlendOp.Add);
|
|
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.DisableKeyword("_ALPHAMODULATE_ON");
|
|
material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.AlphaTest;
|
|
break;
|
|
case BlendMode.Fade:
|
|
material.SetOverrideTag("RenderType", "Transparent");
|
|
material.SetInt("_BlendOp", (int)UnityEngine.Rendering.BlendOp.Add);
|
|
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.DisableKeyword("_ALPHAMODULATE_ON");
|
|
material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent;
|
|
break;
|
|
case BlendMode.Transparent:
|
|
material.SetOverrideTag("RenderType", "Transparent");
|
|
material.SetInt("_BlendOp", (int)UnityEngine.Rendering.BlendOp.Add);
|
|
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.DisableKeyword("_ALPHAMODULATE_ON");
|
|
material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent;
|
|
break;
|
|
case BlendMode.Additive:
|
|
material.SetOverrideTag("RenderType", "Transparent");
|
|
material.SetInt("_BlendOp", (int)UnityEngine.Rendering.BlendOp.Add);
|
|
material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
|
|
material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.One);
|
|
material.SetInt("_ZWrite", 0);
|
|
material.DisableKeyword("_ALPHATEST_ON");
|
|
material.EnableKeyword("_ALPHABLEND_ON");
|
|
material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
|
|
material.DisableKeyword("_ALPHAMODULATE_ON");
|
|
material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent;
|
|
break;
|
|
case BlendMode.Subtractive:
|
|
material.SetOverrideTag("RenderType", "Transparent");
|
|
material.SetInt("_BlendOp", (int)UnityEngine.Rendering.BlendOp.ReverseSubtract);
|
|
material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
|
|
material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.One);
|
|
material.SetInt("_ZWrite", 0);
|
|
material.DisableKeyword("_ALPHATEST_ON");
|
|
material.EnableKeyword("_ALPHABLEND_ON");
|
|
material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
|
|
material.DisableKeyword("_ALPHAMODULATE_ON");
|
|
material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent;
|
|
break;
|
|
case BlendMode.Modulate:
|
|
material.SetOverrideTag("RenderType", "Transparent");
|
|
material.SetInt("_BlendOp", (int)UnityEngine.Rendering.BlendOp.Add);
|
|
material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.DstColor);
|
|
material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
|
|
material.SetInt("_ZWrite", 0);
|
|
material.DisableKeyword("_ALPHATEST_ON");
|
|
material.DisableKeyword("_ALPHABLEND_ON");
|
|
material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
|
|
material.EnableKeyword("_ALPHAMODULATE_ON");
|
|
material.renderQueue = (int)UnityEngine.Rendering.RenderQueue.Transparent;
|
|
break;
|
|
}
|
|
}
|
|
|
|
public static void SetupMaterialWithColorMode(Material material, ColorMode colorMode)
|
|
{
|
|
switch (colorMode)
|
|
{
|
|
case ColorMode.Multiply:
|
|
material.DisableKeyword("_COLOROVERLAY_ON");
|
|
material.DisableKeyword("_COLORCOLOR_ON");
|
|
material.DisableKeyword("_COLORADDSUBDIFF_ON");
|
|
break;
|
|
case ColorMode.Overlay:
|
|
material.DisableKeyword("_COLORCOLOR_ON");
|
|
material.DisableKeyword("_COLORADDSUBDIFF_ON");
|
|
material.EnableKeyword("_COLOROVERLAY_ON");
|
|
break;
|
|
case ColorMode.Color:
|
|
material.DisableKeyword("_COLOROVERLAY_ON");
|
|
material.DisableKeyword("_COLORADDSUBDIFF_ON");
|
|
material.EnableKeyword("_COLORCOLOR_ON");
|
|
break;
|
|
case ColorMode.Difference:
|
|
material.DisableKeyword("_COLOROVERLAY_ON");
|
|
material.DisableKeyword("_COLORCOLOR_ON");
|
|
material.EnableKeyword("_COLORADDSUBDIFF_ON");
|
|
material.SetVector("_ColorAddSubDiff", new Vector4(-1.0f, 1.0f, 0.0f, 0.0f));
|
|
break;
|
|
case ColorMode.Additive:
|
|
material.DisableKeyword("_COLOROVERLAY_ON");
|
|
material.DisableKeyword("_COLORCOLOR_ON");
|
|
material.EnableKeyword("_COLORADDSUBDIFF_ON");
|
|
material.SetVector("_ColorAddSubDiff", new Vector4(1.0f, 0.0f, 0.0f, 0.0f));
|
|
break;
|
|
case ColorMode.Subtractive:
|
|
material.DisableKeyword("_COLOROVERLAY_ON");
|
|
material.DisableKeyword("_COLORCOLOR_ON");
|
|
material.EnableKeyword("_COLORADDSUBDIFF_ON");
|
|
material.SetVector("_ColorAddSubDiff", new Vector4(-1.0f, 0.0f, 0.0f, 0.0f));
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SetMaterialKeywords(Material material)
|
|
{
|
|
// Z write doesn't work with distortion/fading
|
|
bool hasZWrite = (material.GetInt("_ZWrite") != 0);
|
|
|
|
// Lit shader?
|
|
bool useLighting = (material.GetFloat("_LightingEnabled") > 0.0f);
|
|
|
|
// 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") && useLighting);
|
|
SetKeyword(material, "_METALLICGLOSSMAP", (material.GetTexture("_MetallicGlossMap") != null) && useLighting);
|
|
|
|
material.globalIlluminationFlags = MaterialGlobalIlluminationFlags.None;
|
|
SetKeyword(material, "_EMISSION", material.GetFloat("_EmissionEnabled") > 0.0f);
|
|
|
|
// Set the define for flipbook blending
|
|
bool useFlipbookBlending = (material.GetFloat("_FlipbookMode") > 0.0f);
|
|
SetKeyword(material, "_REQUIRE_UV2", useFlipbookBlending);
|
|
|
|
// Clamp fade distances
|
|
bool useSoftParticles = (material.GetFloat("_SoftParticlesEnabled") > 0.0f);
|
|
bool useCameraFading = (material.GetFloat("_CameraFadingEnabled") > 0.0f);
|
|
float softParticlesNearFadeDistance = material.GetFloat("_SoftParticlesNearFadeDistance");
|
|
float softParticlesFarFadeDistance = material.GetFloat("_SoftParticlesFarFadeDistance");
|
|
float cameraNearFadeDistance = material.GetFloat("_CameraNearFadeDistance");
|
|
float cameraFarFadeDistance = material.GetFloat("_CameraFarFadeDistance");
|
|
|
|
if (softParticlesNearFadeDistance < 0.0f)
|
|
{
|
|
softParticlesNearFadeDistance = 0.0f;
|
|
material.SetFloat("_SoftParticlesNearFadeDistance", 0.0f);
|
|
}
|
|
if (softParticlesFarFadeDistance < 0.0f)
|
|
{
|
|
softParticlesFarFadeDistance = 0.0f;
|
|
material.SetFloat("_SoftParticlesFarFadeDistance", 0.0f);
|
|
}
|
|
if (cameraNearFadeDistance < 0.0f)
|
|
{
|
|
cameraNearFadeDistance = 0.0f;
|
|
material.SetFloat("_CameraNearFadeDistance", 0.0f);
|
|
}
|
|
if (cameraFarFadeDistance < 0.0f)
|
|
{
|
|
cameraFarFadeDistance = 0.0f;
|
|
material.SetFloat("_CameraFarFadeDistance", 0.0f);
|
|
}
|
|
|
|
// Set the define for fading
|
|
bool useFading = (useSoftParticles || useCameraFading) && !hasZWrite;
|
|
SetKeyword(material, "_FADING_ON", useFading);
|
|
if (useSoftParticles)
|
|
material.SetVector("_SoftParticleFadeParams", new Vector4(softParticlesNearFadeDistance, 1.0f / (softParticlesFarFadeDistance - softParticlesNearFadeDistance), 0.0f, 0.0f));
|
|
else
|
|
material.SetVector("_SoftParticleFadeParams", new Vector4(0.0f, 0.0f, 0.0f, 0.0f));
|
|
if (useCameraFading)
|
|
material.SetVector("_CameraFadeParams", new Vector4(cameraNearFadeDistance, 1.0f / (cameraFarFadeDistance - cameraNearFadeDistance), 0.0f, 0.0f));
|
|
else
|
|
material.SetVector("_CameraFadeParams", new Vector4(0.0f, Mathf.Infinity, 0.0f, 0.0f));
|
|
|
|
// Set the define for distortion + grabpass (Distortion not supported)
|
|
material.SetShaderPassEnabled("Always", false);
|
|
}
|
|
|
|
void MaterialChanged(Material material)
|
|
{
|
|
SetupMaterialWithBlendMode(material, (BlendMode)material.GetFloat("_Mode"));
|
|
if (colorMode != null)
|
|
SetupMaterialWithColorMode(material, (ColorMode)material.GetFloat("_ColorMode"));
|
|
SetMaterialKeywords(material);
|
|
}
|
|
|
|
void CacheRenderersUsingThisMaterial(Material material)
|
|
{
|
|
m_RenderersUsingThisMaterial.Clear();
|
|
|
|
ParticleSystemRenderer[] renderers = UnityEngine.Object.FindObjectsOfType(typeof(ParticleSystemRenderer)) as ParticleSystemRenderer[];
|
|
foreach (ParticleSystemRenderer renderer in renderers)
|
|
{
|
|
if (renderer.sharedMaterial == material)
|
|
m_RenderersUsingThisMaterial.Add(renderer);
|
|
}
|
|
}
|
|
|
|
static void SetKeyword(Material m, string keyword, bool state)
|
|
{
|
|
if (state)
|
|
m.EnableKeyword(keyword);
|
|
else
|
|
m.DisableKeyword(keyword);
|
|
}
|
|
}
|
|
} // namespace UnityEditor
|