258 lines
7.9 KiB
C#
258 lines
7.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Security.Cryptography;
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namespace OpenRA.FileFormats
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{
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public class Map
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{
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public IFolder Package;
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public string Uid;
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// Yaml map data
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public int MapFormat = 1;
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public string Title;
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public string Description;
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public string Author;
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public int PlayerCount;
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public string Tileset;
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public Dictionary<string, ActorReference> Actors = new Dictionary<string, ActorReference>();
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public List<SmudgeReference> Smudges = new List<SmudgeReference>();
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public Dictionary<string, int2> Waypoints = new Dictionary<string, int2>();
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public Dictionary<string, MiniYaml> Rules = new Dictionary<string, MiniYaml>();
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// Binary map data
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public byte TileFormat = 1;
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public int2 MapSize;
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public int2 TopLeft;
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public int2 BottomRight;
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public TileReference<ushort, byte>[,] MapTiles;
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public TileReference<byte, byte>[,] MapResources;
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// Temporary compat hacks
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public int XOffset { get { return TopLeft.X; } }
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public int YOffset { get { return TopLeft.Y; } }
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public int Width { get { return BottomRight.X - TopLeft.X; } }
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public int Height { get { return BottomRight.Y - TopLeft.Y; } }
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public string Theater { get { return Tileset; } }
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public IEnumerable<int2> SpawnPoints { get { return Waypoints.Select(kv => kv.Value); } }
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static List<string> SimpleFields = new List<string>() {
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"MapFormat", "Title", "Description", "Author", "PlayerCount", "Tileset", "MapSize", "TopLeft", "BottomRight"
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};
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public Map() { }
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public Map(IFolder package)
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{
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Package = package;
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var yaml = MiniYaml.FromStream(Package.GetContent("map.yaml"));
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// 'Simple' metadata
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FieldLoader.LoadFields(this, yaml, SimpleFields);
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// Waypoints
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foreach (var wp in yaml["Waypoints"].Nodes)
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{
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string[] loc = wp.Value.Value.Split(',');
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Waypoints.Add(wp.Key, new int2(int.Parse(loc[0]), int.Parse(loc[1])));
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}
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// Actors
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foreach (var kv in yaml["Actors"].Nodes)
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{
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string[] vals = kv.Value.Value.Split(' ');
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string[] loc = vals[2].Split(',');
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var a = new ActorReference(vals[0], new int2(int.Parse(loc[0]), int.Parse(loc[1])), vals[2]);
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Actors.Add(kv.Key, a);
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}
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// Smudges
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foreach (var kv in yaml["Smudges"].Nodes)
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{
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string[] vals = kv.Key.Split(' ');
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string[] loc = vals[1].Split(',');
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Smudges.Add(new SmudgeReference(vals[0], new int2(int.Parse(loc[0]), int.Parse(loc[1])), int.Parse(vals[2])));
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}
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// Rules
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Rules = yaml["Rules"].Nodes;
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LoadUid();
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LoadBinaryData();
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}
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public void Save(string filepath)
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{
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Dictionary<string, MiniYaml> root = new Dictionary<string, MiniYaml>();
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var d = new Dictionary<string, MiniYaml>();
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foreach (var field in SimpleFields)
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{
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FieldInfo f = this.GetType().GetField(field);
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if (f.GetValue(this) == null) continue;
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root.Add(field, new MiniYaml(FieldSaver.FormatValue(this, f), null));
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}
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root.Add("Actors", MiniYaml.FromDictionary<string, ActorReference>(Actors));
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root.Add("Waypoints", MiniYaml.FromDictionary<string, int2>(Waypoints));
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root.Add("Smudges", MiniYaml.FromList<SmudgeReference>(Smudges));
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root.Add("Rules", new MiniYaml(null, Rules));
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SaveBinaryData(Path.Combine(filepath, "map.bin"));
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root.WriteToFile(Path.Combine(filepath, "map.yaml"));
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SaveUid(Path.Combine(filepath, "map.uid"));
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}
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static byte ReadByte(Stream s)
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{
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int ret = s.ReadByte();
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if (ret == -1)
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throw new NotImplementedException();
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return (byte)ret;
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}
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static ushort ReadWord(Stream s)
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{
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ushort ret = ReadByte(s);
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ret |= (ushort)(ReadByte(s) << 8);
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return ret;
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}
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public void LoadBinaryData()
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{
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using (var dataStream = Package.GetContent("map.bin"))
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{
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// Load header info
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byte version = ReadByte(dataStream);
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var width = ReadWord(dataStream);
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var height = ReadWord(dataStream);
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if (width != MapSize.X || height != MapSize.Y)
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throw new InvalidDataException("Invalid tile data");
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MapTiles = new TileReference<ushort, byte>[MapSize.X, MapSize.Y];
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MapResources = new TileReference<byte, byte>[MapSize.X, MapSize.Y];
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// Load tile data
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for (int i = 0; i < MapSize.X; i++)
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for (int j = 0; j < MapSize.Y; j++)
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{
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ushort tile = ReadWord(dataStream);
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byte index = ReadByte(dataStream);
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byte image = (index == byte.MaxValue) ? (byte)(i % 4 + (j % 4) * 4) : index;
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MapTiles[i, j] = new TileReference<ushort, byte>(tile, index, image);
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}
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// Load resource data
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for (int i = 0; i < MapSize.X; i++)
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for (int j = 0; j < MapSize.Y; j++)
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MapResources[i, j] = new TileReference<byte, byte>(ReadByte(dataStream), ReadByte(dataStream));
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}
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}
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public void SaveBinaryData(string filepath)
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{
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using (var dataStream = File.Create(filepath + ".tmp"))
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using (var writer = new BinaryWriter(dataStream))
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{
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// File header consists of a version byte, followed by 2 ushorts for width and height
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writer.Write(TileFormat);
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writer.Write((ushort)MapSize.X);
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writer.Write((ushort)MapSize.Y);
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// Tile data
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for (int i = 0; i < MapSize.X; i++)
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for (int j = 0; j < MapSize.Y; j++)
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{
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writer.Write(MapTiles[i, j].type);
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writer.Write(MapTiles[i, j].index);
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}
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// Resource data
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for (int i = 0; i < MapSize.X; i++)
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for (int j = 0; j < MapSize.Y; j++)
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{
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writer.Write(MapResources[i, j].type);
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writer.Write(MapResources[i, j].index);
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}
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}
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File.Delete(filepath);
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File.Move(filepath + ".tmp", filepath);
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}
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public void LoadUid()
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{
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Uid = Package.GetContent("map.uid").ReadAllText();
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}
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public void SaveUid(string filename)
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{
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// UID is calculated by taking an SHA1 of the yaml and binary data
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// Read the relevant data into a buffer
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var data = Exts.ReadAllBytes(Package.GetContent("map.yaml"))
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.Concat(Exts.ReadAllBytes(Package.GetContent("map.bin"))).ToArray();
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// Take the SHA1
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using (var csp = SHA1.Create())
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Uid = new string(csp.ComputeHash(data).SelectMany(a => a.ToString("x2")).ToArray());
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File.WriteAllText(filename, Uid);
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}
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public bool IsInMap(int2 xy)
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{
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return IsInMap(xy.X, xy.Y);
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}
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public bool IsInMap(int x, int y)
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{
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return (x >= TopLeft.X && y >= TopLeft.Y && x < BottomRight.X && y < BottomRight.Y);
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}
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public void DebugContents()
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{
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foreach (var field in SimpleFields)
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Console.WriteLine("Loaded {0}: {1}", field, this.GetType().GetField(field).GetValue(this));
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Console.WriteLine("Loaded Waypoints:");
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foreach (var wp in Waypoints)
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Console.WriteLine("\t{0} => {1}", wp.Key, wp.Value);
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Console.WriteLine("Loaded Actors:");
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foreach (var wp in Actors)
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Console.WriteLine("\t{0} => {1} {2} {3}", wp.Key, wp.Value.Name, wp.Value.Owner, wp.Value.Location);
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Console.WriteLine("Loaded Smudges:");
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foreach (var s in Smudges)
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Console.WriteLine("\t{0} {1} {2}", s.Type, s.Location, s.Depth);
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}
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}
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}
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