106 lines
3.4 KiB
C#
106 lines
3.4 KiB
C#
using UnityEditor;
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using UnityEngine;
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namespace GameEditor.UIMaterialReplacer
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{
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public class UIReplacer
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{
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private static string _matPath = "Assets/Art_Out/UI/Material/gama_mat.mat";
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[MenuItem("Assets/Editor/UIMaterialReplacer/Replace UI Material")]
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[MenuItem("GameObject/Editor/UIMaterialReplacer/Replace UI Material", false, 10)]
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public static void ReplaceUI()
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{
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// 获取选中的所有GameObject
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var selectedObjects = Selection.GetFiltered<UnityEngine.GameObject>(SelectionMode.DeepAssets);
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foreach (var selectedObject in selectedObjects)
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{
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_TryReplace(selectedObject);
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}
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}
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private static bool HasTransparency(Texture2D texture)
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{
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// 方法1: 检查纹理格式
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var format = texture.format;
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bool formatSupportsAlpha = format == TextureFormat.RGBA32 ||
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format == TextureFormat.ARGB32 ||
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format == TextureFormat.RGBA4444 ||
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format == TextureFormat.ARGB4444 ||
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format == TextureFormat.Alpha8 ||
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format == TextureFormat.ETC2_RGBA8 ||
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format == TextureFormat.DXT5 ||
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format == TextureFormat.BC7;
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if (!formatSupportsAlpha) return false;
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// 方法2: 检查像素数据（需要纹理可读）
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if (!texture.isReadable) return true;
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try
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{
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var pixels = texture.GetPixels32();
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foreach (var pixel in pixels)
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{
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if (pixel.a < 255) // 发现非完全不透明的像素
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{
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return true;
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}
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}
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return false;
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}
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catch
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{
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// 无法读取像素数据，回退到格式检查
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return true;
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}
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}
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private static void _TryReplace(GameObject go)
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{
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// 替换材质
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var loadMat = AssetDatabase.LoadAssetAtPath<Material>(_matPath);
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if (loadMat == null)
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{
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Debug.LogError("加载材质失败: " + _matPath);
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return;
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}
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Debug.Log($"开始处理 {go.name}");
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var isModify = false;
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var allImages = go.GetComponentsInChildren<UnityEngine.UI.Image>(true);
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foreach (var img in allImages)
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{
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if (img.sprite == null)
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{
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continue;
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}
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// 判断sprite是否包含透明信息
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var texture = img.sprite.texture;
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if (texture == null)
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{
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continue;
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}
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if (!HasTransparency(texture))
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{
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continue;
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}
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img.material = loadMat;
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Debug.Log($"替换材质: {img.gameObject.name} 贴图: {texture.name}");
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isModify = true;
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}
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if (isModify)
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{
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EditorUtility.SetDirty(go);
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AssetDatabase.SaveAssets();
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}
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Debug.Log($"处理完成 {go.name}");
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}
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}
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}
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