basic Party Manager

scripts/core/CreatureRegistry.cs

@@ -0,0 +1,65 @@
+using Godot;
+using System.Collections.Generic;
+using System.Text.Json;
+
+public partial class CreatureRegistry : Node
+{
+	public record CreatureDef(
+		string id,
+		string name,
+		List<string> types,
+		List<string> biomes,
+		List<string> time_windows,
+		int base_hp,
+		int base_atk,
+		int base_def,
+		int capture_difficulty
+	);
+
+	public record CreatureFile(int schema, List<CreatureDef> creatures);
+
+	private readonly Dictionary<string, CreatureDef> _byId = new();
+
+	public CreatureDef Get(string id)
+	{
+		if (_byId.TryGetValue(id, out var def)) return def;
+		throw new KeyNotFoundException($"Unknown creature id: {id}");
+	}
+
+	public bool TryGet(string id, out CreatureDef def) => _byId.TryGetValue(id, out def!);
+
+	[Export] public NodePath PackManagerPath { get; set; }
+	private PackManager? _packs;
+
+	public override void _Ready()
+	{
+		_packs = GetNodeOrNull<PackManager>(PackManagerPath);
+		if (_packs == null)
+		{
+			GD.PrintErr("CreatureRegistry: PackManagerPath not set.");
+			return;
+		}
+
+		var path = _packs.Resolve("data/creatures/creatures.json");
+		if (path == null)
+		{
+			GD.PrintErr("CreatureRegistry: Could not resolve data/creatures/creatures.json");
+			return;
+		}
+
+		var json = FileAccess.GetFileAsString(path);
+		var file = JsonSerializer.Deserialize<CreatureFile>(json);
+
+		if (file?.creatures == null)
+		{
+			GD.PrintErr("CreatureRegistry: Failed to parse creatures.json");
+			return;
+		}
+
+		_byId.Clear();
+		foreach (var c in file.creatures)
+			_byId[c.id] = c;
+
+		GD.Print($"CreatureRegistry: loaded {_byId.Count} creatures");
+	}
+}