1 files changed, 159 insertions, 0 deletions
diff --git a/Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Editor/UniUnlitEditor.cs b/Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Editor/UniUnlitEditor.cs
new file mode 100644
index 00000000..326f129a
--- /dev/null
+++ b/Assets/ThirdParty/VRM/VRMShaders/UniUnlit/Editor/UniUnlitEditor.cs
@@ -0,0 +1,159 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.Rendering;
+
+
+namespace UniGLTF.UniUnlit
+{
+    public class UniUnlitEditor : ShaderGUI
+    {
+        private MaterialProperty _mainTex;
+        private MaterialProperty _color;
+        private MaterialProperty _cutoff;
+        private MaterialProperty _blendMode;
+        private MaterialProperty _cullMode;
+        private MaterialProperty _vColBlendMode;
+//        private MaterialProperty _srcBlend;
+//        private MaterialProperty _dstBlend;
+//        private MaterialProperty _zWrite;
+        
+        public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] properties)
+        {
+            _mainTex = FindProperty(Utils.PropNameMainTex, properties);
+            _color = FindProperty(Utils.PropNameColor, properties);
+            _cutoff = FindProperty(Utils.PropNameCutoff, properties);
+            _blendMode = FindProperty(Utils.PropNameBlendMode, properties);
+            _cullMode = FindProperty(Utils.PropNameCullMode, properties);
+            _vColBlendMode = FindProperty(Utils.PropNameVColBlendMode, properties);
+//            _srcBlend = FindProperty(PropNameSrcBlend, properties);
+//            _dstBlend = FindProperty(PropNameDstBlend, properties);
+//            _zWrite = FindProperty(PropNameZWrite, properties);
+
+            var materials = materialEditor.targets.Select(x => x as Material).ToArray();
+            
+            EditorGUI.BeginChangeCheck();
+            {
+                DrawRenderingBox(materialEditor, materials);
+                DrawColorBox(materialEditor, materials);
+                DrawOptionsBox(materialEditor, materials);
+            }
+            EditorGUI.EndChangeCheck();
+        }
+
+        public override void AssignNewShaderToMaterial(Material material, Shader oldShader, Shader newShader)
+        {
+            var blendMode = UniUnlitRenderMode.Opaque;
+            if (material.HasProperty(Utils.PropNameStandardShadersRenderMode)) // from Standard shader
+            {
+                blendMode = (UniUnlitRenderMode) Math.Min(2f, material.GetFloat(Utils.PropNameStandardShadersRenderMode));
+            }
+
+            // assigns UniUnlit's properties...
+            base.AssignNewShaderToMaterial(material, oldShader, newShader);
+
+            // take over old value
+            material.SetFloat(Utils.PropNameBlendMode, (float) blendMode);
+
+            Utils.ValidateProperties(material, isRenderModeChangedByUser: true);
+        }
+
+        private void DrawRenderingBox(MaterialEditor materialEditor, Material[] materials)
+        {
+            EditorGUILayout.LabelField("Rendering", EditorStyles.boldLabel);
+            EditorGUILayout.BeginVertical(GUI.skin.box);
+            {
+                if (PopupEnum<UniUnlitRenderMode>("Rendering Type", _blendMode, materialEditor))
+                {
+                    ModeChanged(materials, isRenderModeChangedByUser: true);
+                }
+                if (PopupEnum<UniUnlitCullMode>("Cull Mode", _cullMode, materialEditor))
+                {
+                    ModeChanged(materials, isRenderModeChangedByUser: true);
+                }
+                EditorGUILayout.Space();
+
+                switch ((UniUnlitRenderMode) _blendMode.floatValue)
+                {
+                    case UniUnlitRenderMode.Cutout:
+                        materialEditor.ShaderProperty(_cutoff, "Cutoff");
+                        break;
+                    case UniUnlitRenderMode.Opaque:
+                    case UniUnlitRenderMode.Transparent:
+                        break;
+                }
+            }
+            EditorGUILayout.EndVertical();
+            EditorGUILayout.Space();
+        }
+        
+        private void DrawColorBox(MaterialEditor materialEditor, Material[] materials)
+        {
+            EditorGUILayout.LabelField("Color", EditorStyles.boldLabel);
+            EditorGUILayout.BeginVertical(GUI.skin.box);
+            {
+                materialEditor.TexturePropertySingleLine(new GUIContent("Main Tex", "(RGBA)"), _mainTex, _color);
+                materialEditor.TextureScaleOffsetProperty(_mainTex);
+                EditorGUILayout.Space();
+                
+                if (PopupEnum<UniUnlitVertexColorBlendOp>("Vertex Color Blend Mode", _vColBlendMode, materialEditor))
+                {
+                    ModeChanged(materials, isRenderModeChangedByUser: true);
+                }
+            }
+            EditorGUILayout.EndVertical();
+            EditorGUILayout.Space();
+        }
+
+        private void DrawOptionsBox(MaterialEditor materialEditor, Material[] materials)
+        {
+            EditorGUILayout.LabelField("Options", EditorStyles.boldLabel);
+            EditorGUILayout.BeginVertical(GUI.skin.box);
+            {
+                #if UNITY_5_6_OR_NEWER
+//                    materialEditor.EnableInstancingField();
+                    materialEditor.DoubleSidedGIField();
+                #endif
+                    materialEditor.RenderQueueField();
+            }
+            EditorGUILayout.EndVertical();
+            EditorGUILayout.Space();
+        }
+        
+        private static bool PopupEnum<T>(string name, MaterialProperty property, MaterialEditor editor) where T : struct
+        {
+            if (!typeof(T).IsEnum) return false;
+            
+            EditorGUI.showMixedValue = property.hasMixedValue;
+            EditorGUI.BeginChangeCheck();
+            var values = (T[]) Enum.GetValues(typeof(T));
+            var names = Enum.GetNames(typeof(T));
+
+            var currInt = (int) property.floatValue;
+            var currValue = (T) Enum.ToObject(typeof(T), currInt);
+            var currIndex = Array.IndexOf(values, currValue);
+            var nextIndex = EditorGUILayout.Popup(name, currIndex, names);
+            var changed = EditorGUI.EndChangeCheck();
+            if (changed)
+            {
+                editor.RegisterPropertyChangeUndo("EnumPopUp");
+                var nextValue = values[nextIndex];
+                var nextInt = (int) (object) nextValue;
+                property.floatValue = nextInt;
+            }
+            EditorGUI.showMixedValue = false;
+            return changed;
+        }
+
+
+        private static void ModeChanged(Material[] materials, bool isRenderModeChangedByUser = false)
+        {
+            foreach (var material in materials)
+            {
+                Utils.ValidateProperties(material, isRenderModeChangedByUser);
+            }
+        }
+    }
+}