82 lines
3.1 KiB
C#
82 lines
3.1 KiB
C#
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using Theriapolis.Core.World.Generation;
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namespace Theriapolis.Tools.Commands;
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/// <summary>
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/// worldgen-hash --seed <n> [--data-dir <dir>]
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///
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/// Runs the full worldgen pipeline and prints the FNV-1a hashes of every
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/// output channel (elevation, moisture, temperature, biomes, settlements,
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/// polylines) plus the per-stage hash dictionary. Used as a determinism
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/// oracle for the Godot port — the Godot host prints the same hashes,
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/// they must match byte-for-byte.
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/// </summary>
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public static class WorldgenHash
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{
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public static int Run(string[] args)
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{
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ulong seed = 12345;
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string dataDir = ResolveDataDir();
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for (int i = 0; i < args.Length; i++)
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{
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switch (args[i].ToLowerInvariant())
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{
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case "--seed":
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if (i + 1 < args.Length)
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{
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string raw = args[++i];
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seed = raw.StartsWith("0x", StringComparison.OrdinalIgnoreCase)
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? Convert.ToUInt64(raw[2..], 16)
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: ulong.Parse(raw);
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}
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break;
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case "--data-dir":
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if (i + 1 < args.Length) dataDir = args[++i];
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break;
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}
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}
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if (!Directory.Exists(dataDir))
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{
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Console.Error.WriteLine($"Data directory not found: {dataDir}");
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return 1;
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}
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Console.WriteLine($"[worldgen-hash] seed=0x{seed:X} data-dir={dataDir}");
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var ctx = new WorldGenContext(seed, dataDir);
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WorldGenerator.RunAll(ctx);
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var w = ctx.World;
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Console.WriteLine($"[worldgen-hash] === FNV hashes ===");
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Console.WriteLine($"[worldgen-hash] elevation = 0x{w.HashElevation():X16}");
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Console.WriteLine($"[worldgen-hash] moisture = 0x{w.HashMoisture():X16}");
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Console.WriteLine($"[worldgen-hash] temperature = 0x{w.HashTemperature():X16}");
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Console.WriteLine($"[worldgen-hash] biomes = 0x{w.HashBiomes():X16}");
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Console.WriteLine($"[worldgen-hash] settlements = 0x{w.HashSettlements():X16}");
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Console.WriteLine($"[worldgen-hash] polylines = 0x{w.HashPolylines():X16}");
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Console.WriteLine($"[worldgen-hash] === Per-stage hashes ({w.StageHashes.Count}) ===");
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foreach (var kv in w.StageHashes.OrderBy(k => k.Key, StringComparer.Ordinal))
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Console.WriteLine($"[worldgen-hash] {kv.Key,-32} = 0x{kv.Value:X16}");
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return 0;
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}
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private static string ResolveDataDir()
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{
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string local = Path.Combine(AppContext.BaseDirectory, "Data");
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if (Directory.Exists(local)) return local;
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string? dir = AppContext.BaseDirectory.TrimEnd(
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Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
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for (int i = 0; i < 6; i++)
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{
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if (dir is null) break;
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string candidate = Path.Combine(dir, "Content", "Data");
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if (Directory.Exists(candidate)) return candidate;
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dir = Path.GetDirectoryName(dir);
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}
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return local;
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}
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}
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