2025-04-25 15:07:22 +08:00
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using System.Collections.Generic;
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using System.IO;
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using UnityEngine;
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using UnityEditor;
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/// <summary>
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/// 材质工具类，处理材质和贴图的复制、替换等操作
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/// </summary>
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public static class MaterialUtils
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{
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/// <summary>
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/// 处理单个材质及其关联的贴图
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/// </summary>
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public static void ProcessMaterialAndTexture(Material sourceMat, string targetDir, string prefix,
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Dictionary<Material, Material> matMapping,
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Dictionary<Texture, Texture> texMapping)
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{
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if (sourceMat == null || matMapping.ContainsKey(sourceMat))
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return;
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// 收集原始材质中的所有贴图引用
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Dictionary<string, Texture> textureProperties = new Dictionary<string, Texture>();
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Dictionary<string, Vector2> textureScales = new Dictionary<string, Vector2>();
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Dictionary<string, Vector2> textureOffsets = new Dictionary<string, Vector2>();
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// 常见贴图属性名称
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string[] texturePropertyNames = new string[]
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{
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"_MainTex", "_BaseMap", "_AlbedoMap", "_DiffuseMap",
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"_BumpMap", "_NormalMap", "_EmissionMap", "_MetallicGlossMap",
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"_OcclusionMap", "_DetailAlbedoMap", "_DetailNormalMap", "_SpecGlossMap",
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"_ParallaxMap", "_DetailMask", "_MaskMap", "_SmoothnessMap"
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};
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// 收集原始材质中的所有贴图
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foreach (var propName in texturePropertyNames)
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{
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if (sourceMat.HasProperty(propName))
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{
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Texture tex = sourceMat.GetTexture(propName);
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if (tex != null)
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{
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textureProperties[propName] = tex;
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textureScales[propName] = sourceMat.GetTextureScale(propName);
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textureOffsets[propName] = sourceMat.GetTextureOffset(propName);
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}
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}
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}
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// 如果没有找到任何贴图属性，至少确保我们查看_MainTex
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if (textureProperties.Count == 0 && sourceMat.mainTexture != null)
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{
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textureProperties["_MainTex"] = sourceMat.mainTexture;
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textureScales["_MainTex"] = sourceMat.mainTextureScale;
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textureOffsets["_MainTex"] = sourceMat.mainTextureOffset;
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}
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// 为每个唯一贴图创建副本
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Dictionary<Texture, Texture> localTexMapping = new Dictionary<Texture, Texture>();
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foreach (var texEntry in textureProperties)
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{
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Texture originalTexture = texEntry.Value;
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if (originalTexture == null) continue;
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// 检查这个贴图是否已经有映射
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if (texMapping.ContainsKey(originalTexture))
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{
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localTexMapping[originalTexture] = texMapping[originalTexture];
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continue;
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}
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// 否则创建新的贴图副本
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string originalTexPath = AssetDatabase.GetAssetPath(originalTexture);
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if (string.IsNullOrEmpty(originalTexPath)) continue; // 跳过内置贴图
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string texName = $"{prefix}{Path.GetFileNameWithoutExtension(originalTexPath)}";
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string texExtension = Path.GetExtension(originalTexPath);
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string newTexPath = $"{targetDir}/{texName}{texExtension}";
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// 避免重复创建相同的贴图
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if (!AssetDatabase.LoadAssetAtPath<Texture>(newTexPath))
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{
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AssetDatabase.CopyAsset(originalTexPath, newTexPath);
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Debug.Log($"已复制贴图: {originalTexPath} -> {newTexPath}");
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}
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Texture copiedTexture = AssetDatabase.LoadAssetAtPath<Texture>(newTexPath);
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if (copiedTexture != null)
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{
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localTexMapping[originalTexture] = copiedTexture;
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texMapping[originalTexture] = copiedTexture;
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}
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}
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// 准备材质路径
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string matName = $"{prefix}{sourceMat.name}";
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string newMatPath = $"{targetDir}/{matName}.mat";
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// 重要: 无论如何都创建新材质，而不是复制，以确保所有引用都被正确更新
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Material copiedMat = new Material(sourceMat.shader);
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// 设置所有非贴图属性
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CopyAllMaterialProperties(sourceMat, copiedMat);
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// 删除可能存在的旧材质
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if (AssetDatabase.LoadAssetAtPath<Material>(newMatPath) != null)
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{
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AssetDatabase.DeleteAsset(newMatPath);
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}
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// 创建新材质资产
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AssetDatabase.CreateAsset(copiedMat, newMatPath);
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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// 重新加载刚保存的材质，确保获取正确的引用
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copiedMat = AssetDatabase.LoadAssetAtPath<Material>(newMatPath);
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if (copiedMat == null)
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{
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Debug.LogError($"无法加载新创建的材质: {newMatPath}");
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return;
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}
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// 更新所有贴图引用 - 必须在创建资产后进行，确保引用正确保存
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bool anyTexChanged = false;
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foreach (var texProp in textureProperties)
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{
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string propName = texProp.Key;
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Texture originalTexture = texProp.Value;
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if (originalTexture != null && localTexMapping.ContainsKey(originalTexture) &&
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copiedMat.HasProperty(propName))
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{
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Texture newTexture = localTexMapping[originalTexture];
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// 特殊处理_MainTex，确保它被正确更新
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if (propName == "_MainTex")
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{
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copiedMat.mainTexture = newTexture;
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Debug.Log($"显式设置 {copiedMat.name} 的 mainTexture");
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}
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copiedMat.SetTexture(propName, newTexture);
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// 设置缩放和偏移
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if (textureScales.ContainsKey(propName) && textureOffsets.ContainsKey(propName))
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{
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copiedMat.SetTextureScale(propName, textureScales[propName]);
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copiedMat.SetTextureOffset(propName, textureOffsets[propName]);
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}
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Debug.Log($"已更新材质 {copiedMat.name} 的贴图属性 {propName}");
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anyTexChanged = true;
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}
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}
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// 如果有任何贴图被更改，确保再次保存材质
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if (anyTexChanged)
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{
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EditorUtility.SetDirty(copiedMat);
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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// 再次检查是否所有贴图属性都已正确设置
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bool allTexturePropsSet = true;
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foreach (var texProp in textureProperties)
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{
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if (localTexMapping.ContainsKey(texProp.Value) &&
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copiedMat.HasProperty(texProp.Key))
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{
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Texture expectedTexture = localTexMapping[texProp.Value];
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Texture actualTexture = copiedMat.GetTexture(texProp.Key);
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if (actualTexture != expectedTexture)
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{
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allTexturePropsSet = false;
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Debug.LogError($"材质 {copiedMat.name} 的贴图属性 {texProp.Key} 未能正确设置");
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}
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}
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}
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if (allTexturePropsSet)
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{
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Debug.Log($"材质 {copiedMat.name} 的所有贴图属性已正确设置");
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}
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else
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{
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// 强制通过序列化方式修复引用
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FixMaterialTextureReferences(copiedMat, localTexMapping);
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}
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}
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// 添加到映射中
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matMapping[sourceMat] = copiedMat;
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Debug.Log($"已处理材质: {sourceMat.name} -> {newMatPath}");
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}
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/// <summary>
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/// 使用序列化方式强制修复材质中的贴图引用
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/// </summary>
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public static void FixMaterialTextureReferences(Material material, Dictionary<Texture, Texture> texMapping)
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{
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string assetPath = AssetDatabase.GetAssetPath(material);
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if (string.IsNullOrEmpty(assetPath)) return;
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try
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{
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// 读取材质文件
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string materialText = File.ReadAllText(assetPath);
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bool changed = false;
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// 对于每一个贴图映射，查找并替换GUID
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foreach (var mapping in texMapping)
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{
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Texture originalTexture = mapping.Key;
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Texture newTexture = mapping.Value;
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string originalGuid = string.Empty;
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string newGuid = string.Empty;
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// 获取原始贴图和新贴图的GUID
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string originalPath = AssetDatabase.GetAssetPath(originalTexture);
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string newPath = AssetDatabase.GetAssetPath(newTexture);
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if (!string.IsNullOrEmpty(originalPath))
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{
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AssetDatabase.TryGetGUIDAndLocalFileIdentifier(originalTexture, out originalGuid, out long _);
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}
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if (!string.IsNullOrEmpty(newPath))
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{
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AssetDatabase.TryGetGUIDAndLocalFileIdentifier(newTexture, out newGuid, out long _);
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}
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// 如果找到了GUID，进行替换
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if (!string.IsNullOrEmpty(originalGuid) && !string.IsNullOrEmpty(newGuid))
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{
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Debug.Log($"在材质 {material.name} 中替换GUID: {originalGuid} -> {newGuid}");
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string pattern = $"guid: {originalGuid}";
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string replacement = $"guid: {newGuid}";
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if (materialText.Contains(pattern))
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{
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materialText = materialText.Replace(pattern, replacement);
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changed = true;
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}
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}
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}
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// 如果有修改，写回文件
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if (changed)
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{
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Debug.Log($"使用文本编辑方式修复材质 {material.name} 的贴图引用");
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File.WriteAllText(assetPath, materialText);
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AssetDatabase.ImportAsset(assetPath, ImportAssetOptions.ForceUpdate);
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}
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}
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catch (System.Exception ex)
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{
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Debug.LogError($"修复材质贴图引用时出错: {ex.Message}");
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}
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}
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/// <summary>
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/// 复制材质的所有属性
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/// </summary>
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public static void CopyAllMaterialProperties(Material source, Material destination)
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{
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// 复制浮点数、颜色和矢量属性
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Shader shader = source.shader;
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int propertyCount = ShaderUtil.GetPropertyCount(shader);
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for (int i = 0; i < propertyCount; i++)
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{
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string propertyName = ShaderUtil.GetPropertyName(shader, i);
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ShaderUtil.ShaderPropertyType propertyType = ShaderUtil.GetPropertyType(shader, i);
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switch (propertyType)
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{
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case ShaderUtil.ShaderPropertyType.Color:
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destination.SetColor(propertyName, source.GetColor(propertyName));
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break;
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case ShaderUtil.ShaderPropertyType.Vector:
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destination.SetVector(propertyName, source.GetVector(propertyName));
|
|
|
|
|
|
break;
|
|
|
|
|
|
case ShaderUtil.ShaderPropertyType.Float:
|
|
|
|
|
|
case ShaderUtil.ShaderPropertyType.Range:
|
|
|
|
|
|
destination.SetFloat(propertyName, source.GetFloat(propertyName));
|
|
|
|
|
|
break;
|
|
|
|
|
|
case ShaderUtil.ShaderPropertyType.TexEnv:
|
|
|
|
|
|
// 贴图属性在外部处理
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 复制关键字
|
|
|
|
|
|
foreach (string keyword in source.shaderKeywords)
|
|
|
|
|
|
{
|
|
|
|
|
|
destination.EnableKeyword(keyword);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 复制渲染队列
|
|
|
|
|
|
destination.renderQueue = source.renderQueue;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 更新地面对象的材质引用
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
public static void UpdateGroundMaterialReferences(GameObject ground, Dictionary<Material, Material> matMapping)
|
|
|
|
|
|
{
|
|
|
|
|
|
Renderer renderer = ground.GetComponent<Renderer>();
|
|
|
|
|
|
if (renderer != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
UpdateRendererMaterialReferences(renderer, matMapping);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 更新渲染器的材质引用
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
public static void UpdateRendererMaterialReferences(Renderer renderer, Dictionary<Material, Material> matMapping)
|
|
|
|
|
|
{
|
|
|
|
|
|
Material[] sharedMaterials = renderer.sharedMaterials;
|
|
|
|
|
|
bool changed = false;
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < sharedMaterials.Length; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
Material originalMat = sharedMaterials[i];
|
|
|
|
|
|
if (originalMat != null && matMapping.ContainsKey(originalMat))
|
|
|
|
|
|
{
|
|
|
|
|
|
sharedMaterials[i] = matMapping[originalMat];
|
|
|
|
|
|
changed = true;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (changed)
|
|
|
|
|
|
{
|
|
|
|
|
|
renderer.sharedMaterials = sharedMaterials;
|
|
|
|
|
|
EditorUtility.SetDirty(renderer);
|
|
|
|
|
|
Debug.Log($"已更新 {renderer.gameObject.name} 的材质引用");
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 确保没有原始引用残留
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
public static void EnsureNoOriginalReferences(GameObject obj)
|
|
|
|
|
|
{
|
|
|
|
|
|
// 递归处理所有子对象
|
|
|
|
|
|
foreach (Transform child in obj.transform)
|
|
|
|
|
|
{
|
|
|
|
|
|
EnsureNoOriginalReferences(child.gameObject);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 设置对象为脏，确保Unity序列化变更
|
|
|
|
|
|
EditorUtility.SetDirty(obj);
|
|
|
|
|
|
|
|
|
|
|
|
// 如果是预制体实例，解包它
|
|
|
|
|
|
if (PrefabUtility.IsPartOfPrefabInstance(obj))
|
|
|
|
|
|
{
|
2025-05-08 12:36:01 +08:00
|
|
|
|
// 只有在对象是预制体根节点时才解包
|
|
|
|
|
|
GameObject prefabRoot = PrefabUtility.GetOutermostPrefabInstanceRoot(obj);
|
|
|
|
|
|
if (prefabRoot == obj)
|
|
|
|
|
|
{
|
|
|
|
|
|
PrefabUtility.UnpackPrefabInstance(obj, PrefabUnpackMode.Completely, InteractionMode.AutomatedAction);
|
|
|
|
|
|
}
|
2025-04-25 15:07:22 +08:00
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 在整个场景中查找并替换所有材质引用
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
public static void FindAndReplaceAllMaterialReferences(Dictionary<Material, Material> matMapping)
|
|
|
|
|
|
{
|
|
|
|
|
|
// 获取场景中的所有渲染器
|
|
|
|
|
|
Renderer[] allRenderers = Object.FindObjectsOfType<Renderer>();
|
|
|
|
|
|
|
|
|
|
|
|
foreach (var renderer in allRenderers)
|
|
|
|
|
|
{
|
|
|
|
|
|
UpdateRendererMaterialReferences(renderer, matMapping);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 替换材质的Shader为光照贴图支持的Shader
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
public static void ReplaceShaderWithLightmapShader(List<Renderer> renderers)
|
|
|
|
|
|
{
|
|
|
|
|
|
// 追踪已处理的材质
|
|
|
|
|
|
var processedMaterials = new HashSet<Material>(); // 避免处理重复材质
|
|
|
|
|
|
|
|
|
|
|
|
// 尝试查找光照贴图Shader
|
|
|
|
|
|
var lightmapShader = Shader.Find("NLD_URP/NLD_Scene_Lightmap");
|
|
|
|
|
|
if (lightmapShader == null)
|
|
|
|
|
|
{
|
|
|
|
|
|
Debug.LogError("找不到NLD_Scene_Lightmap着色器，请确保它存在于项目中");
|
|
|
|
|
|
return;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Debug.Log($"开始处理 {renderers.Count} 个渲染器用于Shader替换");
|
|
|
|
|
|
|
|
|
|
|
|
foreach (var renderer in renderers)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (renderer == null)
|
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
|
|
// 获取渲染器的所有材质
|
|
|
|
|
|
Material[] sharedMaterials = renderer.sharedMaterials;
|
|
|
|
|
|
if (sharedMaterials == null || sharedMaterials.Length == 0)
|
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < sharedMaterials.Length; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
Material material = sharedMaterials[i];
|
|
|
|
|
|
if (material == null)
|
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
|
|
// 如果已经处理过这个材质，跳过
|
|
|
|
|
|
if (processedMaterials.Contains(material))
|
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
|
|
processedMaterials.Add(material);
|
|
|
|
|
|
|
|
|
|
|
|
if (material.shader != lightmapShader)
|
|
|
|
|
|
{
|
|
|
|
|
|
// 记录原始shader名称，仅用于日志
|
|
|
|
|
|
string originalShaderName = material.shader != null ? material.shader.name : "未知";
|
|
|
|
|
|
|
|
|
|
|
|
// 保存原始主贴图及其Scale/Offset
|
|
|
|
|
|
Texture mainTexture = null;
|
|
|
|
|
|
Vector2 texScale = Vector2.one;
|
|
|
|
|
|
Vector2 texOffset = Vector2.zero;
|
|
|
|
|
|
Color baseColor = Color.white;
|
|
|
|
|
|
|
|
|
|
|
|
// 检查和保存原始贴图信息
|
|
|
|
|
|
if (material.HasProperty("_MainTex"))
|
|
|
|
|
|
{
|
|
|
|
|
|
mainTexture = material.GetTexture("_MainTex");
|
|
|
|
|
|
texScale = material.GetTextureScale("_MainTex");
|
|
|
|
|
|
texOffset = material.GetTextureOffset("_MainTex");
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (material.HasProperty("_BaseMap"))
|
|
|
|
|
|
{
|
|
|
|
|
|
mainTexture = material.GetTexture("_BaseMap");
|
|
|
|
|
|
texScale = material.GetTextureScale("_BaseMap");
|
|
|
|
|
|
texOffset = material.GetTextureOffset("_BaseMap");
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (material.HasProperty("_AlbedoMap"))
|
|
|
|
|
|
{
|
|
|
|
|
|
mainTexture = material.GetTexture("_AlbedoMap");
|
|
|
|
|
|
texScale = material.GetTextureScale("_AlbedoMap");
|
|
|
|
|
|
texOffset = material.GetTextureOffset("_AlbedoMap");
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (material.HasProperty("_DiffuseMap"))
|
|
|
|
|
|
{
|
|
|
|
|
|
mainTexture = material.GetTexture("_DiffuseMap");
|
|
|
|
|
|
texScale = material.GetTextureScale("_DiffuseMap");
|
|
|
|
|
|
texOffset = material.GetTextureOffset("_DiffuseMap");
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 保存原始颜色
|
|
|
|
|
|
if (material.HasProperty("_Color"))
|
|
|
|
|
|
{
|
|
|
|
|
|
baseColor = material.GetColor("_Color");
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (material.HasProperty("_BaseColor"))
|
|
|
|
|
|
{
|
|
|
|
|
|
baseColor = material.GetColor("_BaseColor");
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 修改shader
|
|
|
|
|
|
material.shader = lightmapShader;
|
|
|
|
|
|
|
|
|
|
|
|
// 设置贴图
|
|
|
|
|
|
if (mainTexture != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (material.HasProperty("_BaseMap"))
|
|
|
|
|
|
{
|
|
|
|
|
|
material.SetTexture("_BaseMap", mainTexture);
|
|
|
|
|
|
material.SetTextureScale("_BaseMap", texScale);
|
|
|
|
|
|
material.SetTextureOffset("_BaseMap", texOffset);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (material.HasProperty("_MainTex"))
|
|
|
|
|
|
{
|
|
|
|
|
|
material.SetTexture("_MainTex", mainTexture);
|
|
|
|
|
|
material.SetTextureScale("_MainTex", texScale);
|
|
|
|
|
|
material.SetTextureOffset("_MainTex", texOffset);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 设置颜色
|
|
|
|
|
|
if (material.HasProperty("_BaseColor"))
|
|
|
|
|
|
{
|
|
|
|
|
|
material.SetColor("_BaseColor", baseColor);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (material.HasProperty("_Color"))
|
|
|
|
|
|
{
|
|
|
|
|
|
material.SetColor("_Color", baseColor);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
material.SetFloat("_Outline", 0.001f); //
|
|
|
|
|
|
|
|
|
|
|
|
Debug.Log($"已替换材质 {material.name} 的Shader: {originalShaderName} -> NLD_Scene_Lightmap");
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
