326 lines
10 KiB
C#
326 lines
10 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.Drawing;
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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 bool Selectable = true;
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public int MapFormat;
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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, PlayerReference> Players = new Dictionary<string, PlayerReference>();
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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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// Rules overrides
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public Dictionary<string, MiniYaml> Rules = new Dictionary<string, MiniYaml>();
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public Dictionary<string, MiniYaml> Weapons = new Dictionary<string, MiniYaml>();
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public Dictionary<string, MiniYaml> Voices = new Dictionary<string, MiniYaml>();
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public Dictionary<string, MiniYaml> Music = new Dictionary<string, MiniYaml>();
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public Dictionary<string, MiniYaml> Terrain = 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 Rectangle Bounds { get { return Rectangle.FromLTRB(TopLeft.X, TopLeft.Y, BottomRight.X, BottomRight.Y); } }
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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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"Selectable", "MapFormat", "Title", "Description", "Author", "PlayerCount", "Tileset", "MapSize", "TopLeft", "BottomRight"
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};
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public Map()
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{
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MapSize = new int2(1, 1);
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MapResources = new TileReference<byte, byte>[1, 1];
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MapTiles = new TileReference<ushort, byte>[1, 1]
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{ { new TileReference<ushort, byte> {
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type = (ushort)0xffffu,
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image = (byte)0xffu,
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index = (byte)0xffu } } };
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PlayerCount = 0;
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TopLeft = new int2(0,0);
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BottomRight = new int2(0,0);
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Tileset = "TEMPERAT";
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Players.Add("Neutral", new PlayerReference("Neutral", "neutral", "allies", true, true));
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Title = "Name your map here";
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Description = "Describe your map here";
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Author = "Your name here";
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}
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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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// Players
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if (MapFormat == 1)
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{
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Players.Add("Neutral", new PlayerReference("Neutral", "neutral", "allies", true, true));
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}
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else
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{
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foreach (var kv in yaml["Players"].Nodes)
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{
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var player = new PlayerReference(kv.Value);
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Players.Add(player.Name, player);
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}
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}
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// Actors
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if (MapFormat == 1)
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{
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int actors = 0;
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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("Actor"+actors++, vals[0], new int2(int.Parse(loc[0]), int.Parse(loc[1])), "Neutral");
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Actors.Add(a.Id, a);
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}
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}
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else
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{
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foreach (var kv in yaml["Actors"].Nodes)
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{
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var a = new ActorReference(kv.Value);
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Actors.Add(a.Id, a);
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}
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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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MapFormat = 2;
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Dictionary<string, MiniYaml> root = 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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Dictionary<string, MiniYaml> playerYaml = new Dictionary<string, MiniYaml>();
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foreach(var p in Players)
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playerYaml.Add("PlayerReference@{0}".F(p.Key), FieldSaver.Save(p.Value));
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root.Add("Players",new MiniYaml(null, playerYaml));
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Dictionary<string, MiniYaml> actorYaml = new Dictionary<string, MiniYaml>();
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foreach(var p in Actors)
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actorYaml.Add("ActorReference@{0}".F(p.Key), FieldSaver.Save(p.Value));
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root.Add("Actors",new MiniYaml(null, actorYaml));
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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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if (ReadByte(dataStream) != 1)
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throw new InvalidDataException("Unknown binary map format");
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// Load header info
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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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static T[,] ResizeArray<T>(T[,] ts, T t, int width, int height)
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{
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var result = new T[width, height];
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for (var i = 0; i < width; i++)
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for (var j = 0; j < height; j++)
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result[i, j] = i <= ts.GetUpperBound(0) && j <= ts.GetUpperBound(1)
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? ts[i, j] : t;
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return result;
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}
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public void Resize(int width, int height) // editor magic.
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{
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MapTiles = ResizeArray(MapTiles, MapTiles[0, 0], width, height);
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MapResources = ResizeArray(MapResources, MapResources[0, 0], width, height);
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MapSize = new int2(width, height);
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}
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}
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}
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