UI系统组件
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205
Assets/_Game/Scripts/Editor/Localization/LocalizationCsv.cs
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205
Assets/_Game/Scripts/Editor/Localization/LocalizationCsv.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using UnityEditor;
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using UnityEngine;
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using BaseGames.Localization;
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namespace BaseGames.Editor.Localization
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{
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/// <summary>
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/// 本地化 CSV（Excel 往返）读写共享工具。
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///
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/// CSV 约定：
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/// - 列顺序：<c>key, ChineseSimplified, English, Japanese, Korean</c>（表头用 <see cref="Language"/> 枚举名）。
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/// - 以 <b>UTF-8 BOM</b> 写出，使 Excel 双击打开时中日韩文不乱码。
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/// - 解析遵循 RFC 4180（带引号字段可含逗号 / 换行 / 双引号转义），并自动剥离前导 BOM。
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/// - 导入语义：合并（覆盖已有 key、追加新 key、不删除多余 key）。
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/// </summary>
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public static class LocalizationCsv
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{
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/// <summary>导出列顺序（与导入表头解析共用）。</summary>
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public static readonly Language[] Columns = LocalizationFileIO.AllLanguages;
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// 带 BOM 的 UTF-8（Excel 友好）
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private static readonly Encoding Utf8Bom = new UTF8Encoding(encoderShouldEmitUTF8Identifier: true);
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// ── 高层：表 ⇄ CSV 文件 ─────────────────────────────────────────────────
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/// <summary>
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/// 将给定的"语言→字典"导出为该表的 CSV 文件（含 BOM）。返回写出的资产路径。
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/// </summary>
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public static string ExportToFile(string table,
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IReadOnlyDictionary<Language, Dictionary<string, string>> langDicts)
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{
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// 汇总所有语言出现过的 key（排序，保证稳定 diff）
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var allKeys = new SortedSet<string>(StringComparer.Ordinal);
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foreach (var lang in Columns)
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if (langDicts.TryGetValue(lang, out var d) && d != null)
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foreach (var k in d.Keys) allKeys.Add(k);
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string csvText = BuildCsvText(allKeys, langDicts);
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EditorScaffoldUtils.EnsureFolder(LocalizationPaths.ExportRoot);
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string assetPath = LocalizationPaths.CsvPath(table);
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File.WriteAllText(ToFullPath(assetPath), csvText, Utf8Bom);
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AssetDatabase.ImportAsset(assetPath, ImportAssetOptions.ForceUpdate);
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return assetPath;
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}
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/// <summary>
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/// 读取该表的 CSV 文件并解析为"语言→字典"（仅含表头出现的语言列）。
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/// CSV 文件不存在时返回 null。
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/// </summary>
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public static Dictionary<Language, Dictionary<string, string>> ParseFile(string table)
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{
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string assetPath = LocalizationPaths.CsvPath(table);
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string fullPath = ToFullPath(assetPath);
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if (!File.Exists(fullPath)) return null;
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return ParseText(File.ReadAllText(fullPath, Encoding.UTF8));
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}
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/// <summary>
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/// 将该表的 CSV 合并写回磁盘 JSON（供批处理工具用）：
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/// 对 CSV 表头出现的每个语言，读现有 JSON → 合并 CSV → <see cref="LocalizationFileIO.Write"/>。
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/// 返回受影响的语言数；CSV 不存在时返回 0。
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/// </summary>
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public static int ImportFileToJson(string table)
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{
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var parsed = ParseFile(table);
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if (parsed == null) return 0;
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foreach (var (lang, csvDict) in parsed)
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{
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var merged = LocalizationFileIO.Read(lang, table); // 现有 JSON 副本
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foreach (var kv in csvDict) merged[kv.Key] = kv.Value;
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LocalizationFileIO.Write(lang, table, merged);
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}
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return parsed.Count;
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}
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// ── 低层：文本 ⇄ 行 ─────────────────────────────────────────────────────
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/// <summary>构造 CSV 文本（表头 + 数据行，按 allKeys 顺序）。</summary>
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public static string BuildCsvText(IEnumerable<string> orderedKeys,
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IReadOnlyDictionary<Language, Dictionary<string, string>> langDicts)
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{
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var sb = new StringBuilder();
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sb.Append("key");
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foreach (var lang in Columns) sb.Append(',').Append(lang);
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sb.Append('\n');
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foreach (var key in orderedKeys)
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{
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sb.Append(Escape(key));
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foreach (var lang in Columns)
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{
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string val = "";
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if (langDicts.TryGetValue(lang, out var d) && d != null)
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d.TryGetValue(key, out val);
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sb.Append(',').Append(Escape(val ?? ""));
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}
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sb.Append('\n');
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}
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return sb.ToString();
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}
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/// <summary>解析 CSV 文本为"语言→字典"（仅表头识别出的 Language 列）。</summary>
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public static Dictionary<Language, Dictionary<string, string>> ParseText(string text)
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{
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var rows = ParseRows(text);
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var result = new Dictionary<Language, Dictionary<string, string>>();
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if (rows.Count < 2) return result;
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// 表头：列号 → Language
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var header = rows[0];
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var langCols = new List<(int col, Language lang)>();
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for (int col = 1; col < header.Count; col++)
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if (Enum.TryParse<Language>(header[col].Trim(), out var lang))
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{
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langCols.Add((col, lang));
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result[lang] = new Dictionary<string, string>(StringComparer.Ordinal);
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}
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for (int row = 1; row < rows.Count; row++)
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{
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var cells = rows[row];
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if (cells.Count == 0 || string.IsNullOrWhiteSpace(cells[0])) continue;
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string key = cells[0];
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foreach (var (col, lang) in langCols)
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result[lang][key] = col < cells.Count ? cells[col] : "";
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}
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return result;
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}
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/// <summary>按 RFC 4180 规范转义单元格（含逗号 / 引号 / 换行时用双引号包裹）。</summary>
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public static string Escape(string value)
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{
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if (value == null) return "";
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bool needsQuote = value.IndexOf(',') >= 0 || value.IndexOf('"') >= 0
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|| value.IndexOf('\n') >= 0 || value.IndexOf('\r') >= 0;
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if (!needsQuote) return value;
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return "\"" + value.Replace("\"", "\"\"") + "\"";
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}
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/// <summary>RFC 4180 CSV 解析器，支持带引号字段（含换行），并剥离前导 UTF-8 BOM。</summary>
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public static List<List<string>> ParseRows(string text)
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{
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var rows = new List<List<string>>();
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if (string.IsNullOrEmpty(text)) return rows;
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// 剥离前导 BOM（File.ReadAllText 以 UTF8 读时若文件带 BOM 会保留为 U+FEFF）
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if (text[0] == '') text = text.Substring(1);
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var row = new List<string>();
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var cell = new StringBuilder();
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bool inQuote = false;
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int i = 0;
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while (i < text.Length)
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{
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char c = text[i];
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if (inQuote)
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{
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if (c == '"')
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{
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if (i + 1 < text.Length && text[i + 1] == '"') { cell.Append('"'); i += 2; }
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else { inQuote = false; i++; }
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}
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else { cell.Append(c); i++; }
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}
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else
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{
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if (c == '"') { inQuote = true; i++; }
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else if (c == ',') { row.Add(cell.ToString()); cell.Clear(); i++; }
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else if (c == '\r')
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{
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row.Add(cell.ToString()); cell.Clear();
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rows.Add(row); row = new List<string>();
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if (i + 1 < text.Length && text[i + 1] == '\n') i++;
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i++;
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}
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else if (c == '\n')
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{ row.Add(cell.ToString()); cell.Clear(); rows.Add(row); row = new List<string>(); i++; }
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else { cell.Append(c); i++; }
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}
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}
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if (cell.Length > 0 || row.Count > 0)
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{
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row.Add(cell.ToString());
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rows.Add(row);
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}
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return rows;
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}
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private static string ToFullPath(string assetPath)
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{
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string projectRoot = Path.GetDirectoryName(Application.dataPath)!;
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return Path.Combine(projectRoot, assetPath.Replace('/', Path.DirectorySeparatorChar));
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}
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}
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}
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