129 lines
4.9 KiB
C#
129 lines
4.9 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace UnityEditor.Rendering.Universal.ShaderGUI
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{
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internal class LitShader : BaseShaderGUI
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{
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static readonly string[] workflowModeNames = Enum.GetNames(typeof(LitGUI.WorkflowMode));
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private LitGUI.LitProperties litProperties;
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private LitDetailGUI.LitProperties litDetailProperties;
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public override void FillAdditionalFoldouts(MaterialHeaderScopeList materialScopesList)
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{
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materialScopesList.RegisterHeaderScope(LitDetailGUI.Styles.detailInputs, Expandable.Details, _ => LitDetailGUI.DoDetailArea(litDetailProperties, materialEditor));
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}
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// collect properties from the material properties
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public override void FindProperties(MaterialProperty[] properties)
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{
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base.FindProperties(properties);
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litProperties = new LitGUI.LitProperties(properties);
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litDetailProperties = new LitDetailGUI.LitProperties(properties);
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}
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// material changed check
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public override void ValidateMaterial(Material material)
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{
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SetMaterialKeywords(material, LitGUI.SetMaterialKeywords, LitDetailGUI.SetMaterialKeywords);
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}
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// material main surface options
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public override void DrawSurfaceOptions(Material material)
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{
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// Use default labelWidth
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EditorGUIUtility.labelWidth = 0f;
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if (litProperties.workflowMode != null)
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DoPopup(LitGUI.Styles.workflowModeText, litProperties.workflowMode, workflowModeNames);
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base.DrawSurfaceOptions(material);
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}
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// material main surface inputs
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public override void DrawSurfaceInputs(Material material)
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{
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base.DrawSurfaceInputs(material);
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LitGUI.Inputs(litProperties, materialEditor, material);
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DrawEmissionProperties(material, true);
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DrawTileOffset(materialEditor, baseMapProp);
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}
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// material main advanced options
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public override void DrawAdvancedOptions(Material material)
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{
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if (litProperties.reflections != null && litProperties.highlights != null)
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{
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materialEditor.ShaderProperty(litProperties.highlights, LitGUI.Styles.highlightsText);
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materialEditor.ShaderProperty(litProperties.reflections, LitGUI.Styles.reflectionsText);
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}
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base.DrawAdvancedOptions(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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if (material == null)
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throw new ArgumentNullException("material");
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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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SetupMaterialBlendMode(material);
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return;
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}
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SurfaceType surfaceType = SurfaceType.Opaque;
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BlendMode blendMode = BlendMode.Alpha;
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if (oldShader.name.Contains("/Transparent/Cutout/"))
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{
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surfaceType = SurfaceType.Opaque;
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material.SetFloat("_AlphaClip", 1);
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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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surfaceType = SurfaceType.Transparent;
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blendMode = BlendMode.Alpha;
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}
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material.SetFloat("_Blend", (float)blendMode);
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material.SetFloat("_Surface", (float)surfaceType);
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if (surfaceType == SurfaceType.Opaque)
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{
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material.DisableKeyword("_SURFACE_TYPE_TRANSPARENT");
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}
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else
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{
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material.EnableKeyword("_SURFACE_TYPE_TRANSPARENT");
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}
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if (oldShader.name.Equals("Standard (Specular setup)"))
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{
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material.SetFloat("_WorkflowMode", (float)LitGUI.WorkflowMode.Specular);
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Texture texture = material.GetTexture("_SpecGlossMap");
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if (texture != null)
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material.SetTexture("_MetallicSpecGlossMap", texture);
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}
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else
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{
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material.SetFloat("_WorkflowMode", (float)LitGUI.WorkflowMode.Metallic);
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Texture texture = material.GetTexture("_MetallicGlossMap");
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if (texture != null)
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material.SetTexture("_MetallicSpecGlossMap", texture);
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}
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}
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}
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}
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