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#region Copyright & License Information
* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see COPYING.
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace OpenRA.FileFormats
public class Mod
public string Id;
public string Title;
public string Description;
public string Version;
public string Author;
public string Requires;
public static readonly Dictionary<string, Mod> AllMods = ValidateMods(Directory.GetDirectories("mods").Select(x => x.Substring(5)).ToArray());
public static Dictionary<string, Mod> ValidateMods(string[] mods)
var ret = new Dictionary<string, Mod>();
foreach (var m in mods)
var yamlPath = new[] { "mods", m, "mod.yaml" }.Aggregate( Path.Combine );
if (!File.Exists(yamlPath))
var yaml = new MiniYaml(null, MiniYaml.FromFile(yamlPath));
if (!yaml.NodesDict.ContainsKey("Metadata"))
var mod = FieldLoader.Load<Mod>(yaml.NodesDict["Metadata"]);
mod.Id = m;
ret.Add(m, mod);
return ret;
public string[] WithPrerequisites()
return Id.Iterate(m => AllMods[m].Requires)
.TakeWhile(m => m != null)
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