新增磁导航内部交管和信号交互界面

2026-08-24 16:16:58 +08:00
parent 125372b157
commit 134c7480b3
21 changed files with 1188 additions and 16 deletions
@@ -0,0 +1,112 @@
+using System.Text.Encodings.Web;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using MiGu.Server.Launcher;
+
+namespace MiGu.Server.Signal;
+
+public sealed record SignalColumn(string Key, string Label, string Type, IReadOnlyList<string>? Options = null, string? Group = null);
+
+public sealed record SignalTableDef(
+    string Id,
+    string Title,
+    string Category,
+    string FileName,
+    IReadOnlyList<SignalColumn> Columns);
+
+/// <summary>
+/// 读写 SimpleLite 工作目录 <c>Config/Signal/*.json</c>，供迷毂「数据中心」表格编辑。
+/// 表结构优先从 StandardScene.Signal.dll 反射；无插件时才读 signal-tables.json。
+/// </summary>
+public sealed class SignalDataStore
+{
+    private static readonly JsonSerializerOptions FileJson = new()
+    {
+        WriteIndented = true,
+        Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
+    };
+
+    private static readonly object FileLock = new();
+
+    private readonly SimpleLiteLauncher _launcher;
+    private IReadOnlyList<SignalTableDef>? _cachedTables;
+    private long _cachedSignature;
+
+    public SignalDataStore(SimpleLiteLauncher launcher) => _launcher = launcher;
+
+    public IReadOnlyList<SignalTableDef> GetTables()
+    {
+        var sig = SignalTableManifestLoader.ComputeManifestSignature(_launcher);
+        if (_cachedTables == null || sig != _cachedSignature)
+        {
+            _cachedTables = SignalTableManifestLoader.Load(_launcher);
+            _cachedSignature = sig;
+        }
+
+        return _cachedTables;
+    }
+
+    public SignalTableDef? Find(string id) =>
+        GetTables().FirstOrDefault(t => string.Equals(t.Id, id, StringComparison.OrdinalIgnoreCase));
+
+    public string? ResolveWorkingDirectory() => _launcher.ResolveWorkingDirectory();
+
+    public (string? Path, string? Error) ResolveFile(SignalTableDef table, bool createDir)
+    {
+        var wd = _launcher.ResolveWorkingDirectory();
+        if (string.IsNullOrWhiteSpace(wd))
+            return (null, "未找到 SimpleLite 工作目录，无法定位 Config/Signal");
+
+        var dest = Path.GetFullPath(Path.Combine(wd, "Config", "Signal", table.FileName));
+        if (File.Exists(dest))
+            return (dest, null);
+
+        if (createDir)
+        {
+            try
+            {
+                var dir = Path.GetDirectoryName(dest);
+                if (!string.IsNullOrEmpty(dir))
+                    Directory.CreateDirectory(dir);
+            }
+            catch (Exception ex)
+            {
+                return (null, ex.Message);
+            }
+        }
+
+        return (dest, null);
+    }
+
+    public JsonArray LoadRows(SignalTableDef table)
+    {
+        var (path, _) = ResolveFile(table, createDir: false);
+        if (path == null || !File.Exists(path))
+            return new JsonArray();
+
+        lock (FileLock)
+        {
+            var json = File.ReadAllText(path);
+            if (string.IsNullOrWhiteSpace(json))
+                return new JsonArray();
+            var node = JsonNode.Parse(json);
+            if (node is JsonArray arr)
+                return arr;
+            return new JsonArray();
+        }
+    }
+
+    public void SaveRows(SignalTableDef table, JsonArray rows)
+    {
+        var (path, error) = ResolveFile(table, createDir: true);
+        if (path == null)
+            throw new InvalidOperationException(error ?? "无法解析信号配置文件路径");
+
+        var dir = Path.GetDirectoryName(path);
+        if (!string.IsNullOrEmpty(dir))
+            Directory.CreateDirectory(dir);
+
+        lock (FileLock)
+            File.WriteAllText(path, rows.ToJsonString(FileJson));
+    }
+}