using System; using UnityEngine; using UnityEngine.Rendering; using UnityEditor.Rendering.Universal; namespace UnityEditor.Rendering.Universal.ShaderGUI { internal class LitShader : BaseShaderGUI { // Properties private LitGUI.LitProperties litProperties; // collect properties from the material properties public override void FindProperties(MaterialProperty[] properties) { base.FindProperties(properties); litProperties = new LitGUI.LitProperties(properties); } // material changed check public override void MaterialChanged(Material material) { if (material == null) throw new ArgumentNullException("material"); SetMaterialKeywords(material, LitGUI.SetMaterialKeywords); } // material main surface options public override void DrawSurfaceOptions(Material material) { if (material == null) throw new ArgumentNullException("material"); // Use default labelWidth EditorGUIUtility.labelWidth = 0f; // Detect any changes to the material EditorGUI.BeginChangeCheck(); if (litProperties.workflowMode != null) { DoPopup(LitGUI.Styles.workflowModeText, litProperties.workflowMode, Enum.GetNames(typeof(LitGUI.WorkflowMode))); } if (EditorGUI.EndChangeCheck()) { foreach (var obj in blendModeProp.targets) MaterialChanged((Material)obj); } base.DrawSurfaceOptions(material); } // material main surface inputs public override void DrawSurfaceInputs(Material material) { base.DrawSurfaceInputs(material); LitGUI.Inputs(litProperties, materialEditor, material); DrawEmissionProperties(material, true); DrawTileOffset(materialEditor, baseMapProp); } // material main advanced options public override void DrawAdvancedOptions(Material material) { if (litProperties.reflections != null && litProperties.highlights != null) { EditorGUI.BeginChangeCheck(); { materialEditor.ShaderProperty(litProperties.highlights, LitGUI.Styles.highlightsText); materialEditor.ShaderProperty(litProperties.reflections, LitGUI.Styles.reflectionsText); EditorGUI.BeginChangeCheck(); } } base.DrawAdvancedOptions(material); } public override void AssignNewShaderToMaterial(Material material, Shader oldShader, Shader newShader) { if (material == null) throw new ArgumentNullException("material"); // _Emission property is lost after assigning Standard shader to the material // thus transfer it before assigning the new shader if (material.HasProperty("_Emission")) { material.SetColor("_EmissionColor", material.GetColor("_Emission")); } base.AssignNewShaderToMaterial(material, oldShader, newShader); if (oldShader == null || !oldShader.name.Contains("Legacy Shaders/")) { SetupMaterialBlendMode(material); return; } SurfaceType surfaceType = SurfaceType.Opaque; BlendMode blendMode = BlendMode.Alpha; if (oldShader.name.Contains("/Transparent/Cutout/")) { surfaceType = SurfaceType.Opaque; material.SetFloat("_AlphaClip", 1); } else if (oldShader.name.Contains("/Transparent/")) { // NOTE: legacy shaders did not provide physically based transparency // therefore Fade mode surfaceType = SurfaceType.Transparent; blendMode = BlendMode.Alpha; } material.SetFloat("_Surface", (float)surfaceType); material.SetFloat("_Blend", (float)blendMode); if (oldShader.name.Equals("Standard (Specular setup)")) { material.SetFloat("_WorkflowMode", (float)LitGUI.WorkflowMode.Specular); Texture texture = material.GetTexture("_SpecGlossMap"); if (texture != null) material.SetTexture("_MetallicSpecGlossMap", texture); } else { material.SetFloat("_WorkflowMode", (float)LitGUI.WorkflowMode.Metallic); Texture texture = material.GetTexture("_MetallicGlossMap"); if (texture != null) material.SetTexture("_MetallicSpecGlossMap", texture); } MaterialChanged(material); } } }