Files
OpenRA/OpenRA.FileFormats/Map/MapStub.cs
2011-02-11 21:50:11 +13:00

92 lines
3.1 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2010 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 LICENSE.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Security.Cryptography;
namespace OpenRA.FileFormats
{
public class MapStub
{
protected IFolder Container;
public string Path {get; protected set;}
// Yaml map data
public string Uid { get; protected set; }
[FieldLoader.Load] public int MapFormat;
[FieldLoader.Load] public bool Selectable;
[FieldLoader.Load] public bool UseAsShellmap;
[FieldLoader.Load] public string RequiresMod;
[FieldLoader.Load] public string Title;
[FieldLoader.Load] public string Type = "Conquest";
[FieldLoader.Load] public string Description;
[FieldLoader.Load] public string Author;
[FieldLoader.Load] public string Tileset;
[FieldLoader.Load] public string[] StartPoints;
public int PlayerCount { get { return StartPoints.Count(); } }
[FieldLoader.LoadUsing( "LoadWaypoints" )]
public Dictionary<string, int2> Waypoints = new Dictionary<string, int2>();
public IEnumerable<int2> SpawnPoints{ get { return Waypoints.Where(kv => StartPoints.Contains(kv.Key)).Select(kv => kv.Value); } }
[FieldLoader.Load] public Rectangle Bounds;
public MapStub() {} // Hack for the editor - not used for anything important
public MapStub(string path)
{
Path = path;
Container = FileSystem.OpenPackage(path, int.MaxValue);
var yaml = new MiniYaml( null, MiniYaml.FromStream(Container.GetContent("map.yaml")) );
FieldLoader.Load(this, yaml);
Uid = ComputeHash();
// Upgrade maps to define StartPoints
if (MapFormat < 5)
{
StartPoints = Waypoints.Select(kv => kv.Key).ToArray();
var TopLeft = (int2)FieldLoader.GetValue( "", typeof(int2), yaml.NodesDict["TopLeft"].Value);
var BottomRight = (int2)FieldLoader.GetValue( "", typeof(int2), yaml.NodesDict["BottomRight"].Value);
Bounds = Rectangle.FromLTRB(TopLeft.X, TopLeft.Y, BottomRight.X, BottomRight.Y);
}
}
string ComputeHash()
{
// UID is calculated by taking an SHA1 of the yaml and binary data
// Read the relevant data into a buffer
var data = Container.GetContent("map.yaml").ReadAllBytes()
.Concat(Container.GetContent("map.bin").ReadAllBytes()).ToArray();
// Take the SHA1
using (var csp = SHA1.Create())
return new string(csp.ComputeHash(data).SelectMany(a => a.ToString("x2")).ToArray());
}
static object LoadWaypoints( MiniYaml y )
{
var ret = new Dictionary<string, int2>();
foreach( var wp in y.NodesDict[ "Waypoints" ].NodesDict )
{
string[] loc = wp.Value.Value.Split( ',' );
ret.Add( wp.Key, new int2( int.Parse( loc[ 0 ] ), int.Parse( loc[ 1 ] ) ) );
}
return ret;
}
}
}