材质修改
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@@ -0,0 +1,195 @@
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using UnityEditor;
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using UnityEngine;
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// UIMask 的材质面板：分组折叠 + 中文标签。
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// shader 里用 CustomEditor "UIMaskShaderGUI" 挂上这个类。
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// 折叠状态存在 EditorPrefs（按组名），重编译/重启 Unity 后仍然保持。
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// 未在 Groups 里列出的属性（_SrcBlend/_DstBlend/_Cull、硬边溶解、Stencil 等）不绘制。
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public class UIMaskShaderGUI : ShaderGUI
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{
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private const string FoldKeyPrefix = "UIMask.GUI.";
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private class Group
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{
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public string Label;
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public string Toggle; // 组的启用开关（没有则为 null）
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public string[] Props; // 组内属性，按显示顺序
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}
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private static readonly Group[] Groups =
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{
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new Group
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{
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Label = "基础",
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Props = new[] { "_BlendMode", "_RenderFace", "_TintColor", "_GlowScale|_AlphaScale", "_MainTex" }
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},
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new Group
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{
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Label = "UV 滚动",
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Toggle = "_UseUvAni",
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Props = new[] { "_SpeedU|_SpeedV" }
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},
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new Group
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{
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Label = "UV 扰乱",
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Toggle = "_UseUvDistortion",
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Props = new[] { "_UVNoiseTex", "_Distortion", "_NoiseScroll" }
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},
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new Group
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{
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Label = "遮罩 Mask",
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Toggle = "_UseMask",
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Props = new[] { "_UseMaskUvAni", "_Mask", "_MaskChannel", "_MaskSpeedU|_MaskSpeedV" }
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},
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new Group
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{
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Label = "溶解",
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Toggle = "_UseDissolve",
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Props = new[] { "_DissolveTex", "_DissolveChannel", "_Dissolve", "_DissolveWidth" }
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},
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new Group
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{
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Label = "UI 裁切",
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Toggle = "_UseUIMaskClip",
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Props = new[] { "_ClipRect" }
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},
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new Group
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{
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Label = "顶点遮罩",
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Toggle = "_UseVertexMask",
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Props = new[] { "_VertexOffset" }
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},
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};
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public override void OnGUI(MaterialEditor editor, MaterialProperty[] props)
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{
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foreach (Group group in Groups)
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{
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DrawGroup(editor, props, group);
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}
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}
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private static void DrawGroup(MaterialEditor editor, MaterialProperty[] props, Group group)
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{
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MaterialProperty toggle = string.IsNullOrEmpty(group.Toggle)
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? null
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: FindProperty(group.Toggle, props, false);
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string foldKey = FoldKeyPrefix + group.Label;
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// 默认只展开"基础"，其余收起（收起时右边的勾选状态仍能看出该功能有没有开）
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bool expanded = EditorPrefs.GetBool(foldKey, group.Label == "基础");
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EditorGUILayout.BeginVertical(EditorStyles.helpBox);
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EditorGUILayout.BeginHorizontal();
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bool newExpanded = EditorGUILayout.Foldout(expanded, group.Label, true, EditorStyles.foldoutHeader);
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if (toggle != null)
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{
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GUILayout.FlexibleSpace();
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editor.ShaderProperty(toggle, GUIContent.none, 0);
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}
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EditorGUILayout.EndHorizontal();
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if (newExpanded != expanded)
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{
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EditorPrefs.SetBool(foldKey, newExpanded);
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}
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if (newExpanded)
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{
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EditorGUI.indentLevel++;
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DrawProps(editor, props, group.Props);
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EditorGUI.indentLevel--;
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}
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EditorGUILayout.EndVertical();
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}
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// group.Props 里一项 = 一行；写 "A|B" 表示这两个单值属性并排在同一行
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private static void DrawProps(MaterialEditor editor, MaterialProperty[] props, string[] rows)
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{
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foreach (string row in rows)
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{
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int separator = row.IndexOf('|');
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if (separator < 0)
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{
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DrawOne(editor, props, row);
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continue;
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}
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MaterialProperty left = FindProperty(row.Substring(0, separator), props, false);
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MaterialProperty right = FindProperty(row.Substring(separator + 1), props, false);
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if (left != null && right != null && IsSingleValue(left) && IsSingleValue(right))
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{
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DrawTwoPerRow(editor, left, right);
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}
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else
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{
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// 其中一边不存在或不是单值属性，退回各自一行，避免出错
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if (left != null) DrawOne(editor, props, left.name);
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if (right != null) DrawOne(editor, props, right.name);
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}
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}
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}
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private static void DrawOne(MaterialEditor editor, MaterialProperty[] props, string name)
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{
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MaterialProperty prop = FindProperty(name, props, false);
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if (prop == null)
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{
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return;
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}
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if (prop.type == MaterialProperty.PropType.Texture)
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{
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// Unity 原生贴图选择器（缩略图 + 平铺/偏移都由它画）
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bool scaleOffset = (prop.flags & MaterialProperty.PropFlags.NoScaleOffset) == 0;
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editor.TextureProperty(prop, prop.displayName, scaleOffset);
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return;
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}
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if (prop.type == MaterialProperty.PropType.Vector)
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{
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DrawVectorTwoLines(prop);
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return;
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}
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editor.ShaderProperty(prop, prop.displayName);
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}
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private static bool IsSingleValue(MaterialProperty prop)
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{
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return prop.type == MaterialProperty.PropType.Float
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|| prop.type == MaterialProperty.PropType.Int;
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}
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// 两个单值属性并排一行；半行放不下默认标签宽度，所以临时收窄标签
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private static void DrawTwoPerRow(MaterialEditor editor, MaterialProperty left, MaterialProperty right)
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{
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Rect row = EditorGUILayout.GetControlRect(true, EditorGUIUtility.singleLineHeight);
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const float gap = 6f;
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float half = (row.width - gap) * 0.5f;
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float oldLabelWidth = EditorGUIUtility.labelWidth;
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EditorGUIUtility.labelWidth = Mathf.Min(oldLabelWidth, half * 0.5f);
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editor.ShaderProperty(new Rect(row.x, row.y, half, row.height), left, new GUIContent(left.displayName));
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editor.ShaderProperty(new Rect(row.x + half + gap, row.y, half, row.height), right, new GUIContent(right.displayName));
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EditorGUIUtility.labelWidth = oldLabelWidth;
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}
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// 四分量向量：属性名独占一行，X/Y/Z/W 单独占下一行（默认是挤在同一行，名字会被切掉）
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private static void DrawVectorTwoLines(MaterialProperty prop)
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{
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EditorGUILayout.LabelField(prop.displayName, EditorStyles.label);
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EditorGUI.BeginChangeCheck();
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EditorGUI.showMixedValue = prop.hasMixedValue;
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Vector4 value = EditorGUILayout.Vector4Field(GUIContent.none, prop.vectorValue);
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EditorGUI.showMixedValue = false;
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if (EditorGUI.EndChangeCheck())
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{
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prop.vectorValue = value;
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}
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}
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}
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