Reorganise FileFormats
This commit is contained in:
Paul Chote
268
OpenRA.FileFormats/Map/Map.cs
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268
OpenRA.FileFormats/Map/Map.cs
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#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.Text;
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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 readonly string Title;
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public readonly string Theater;
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public readonly int INIFormat;
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public readonly int MapSize;
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public readonly int XOffset;
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public readonly int YOffset;
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public int2 Offset { get { return new int2( XOffset, YOffset ); } }
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public readonly int Width;
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public readonly int Height;
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public int2 Size { get { return new int2(Width, Height); } }
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public readonly TileReference[ , ] MapTiles;
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public readonly List<ActorReference> Actors = new List<ActorReference>();
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public readonly IEnumerable<int2> SpawnPoints;
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static string Truncate( string s, int maxLength )
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{
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return s.Length <= maxLength ? s : s.Substring(0,maxLength );
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}
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public Map(string filename)
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{
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IniFile file = new IniFile(FileSystem.Open(filename));
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IniSection basic = file.GetSection("Basic");
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Title = basic.GetValue("Name", "(null)");
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INIFormat = int.Parse(basic.GetValue("NewINIFormat", "0"));
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IniSection map = file.GetSection("Map");
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Theater = Truncate(map.GetValue("Theater", "TEMPERAT"), 8);
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XOffset = int.Parse(map.GetValue("X", "0"));
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YOffset = int.Parse(map.GetValue("Y", "0"));
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Width = int.Parse(map.GetValue("Width", "0"));
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Height = int.Parse(map.GetValue("Height", "0"));
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MapSize = (INIFormat == 3) ? 128 : 64;
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MapTiles = new TileReference[ MapSize, MapSize ];
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for (int j = 0; j < MapSize; j++)
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for (int i = 0; i < MapSize; i++)
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MapTiles[i, j] = new TileReference();
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if (INIFormat == 3) // RA map
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{
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UnpackRATileData(ReadPackedSection(file.GetSection("MapPack")));
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UnpackRAOverlayData(ReadPackedSection(file.GetSection("OverlayPack")));
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ReadRATrees(file);
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}
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else // CNC
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{
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UnpackCncTileData(FileSystem.Open(filename.Substring(0,filename.Length-4)+".bin"));
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ReadCncOverlay(file);
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ReadCncTrees(file);
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}
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LoadActors(file, "STRUCTURES");
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LoadActors(file, "UNITS");
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LoadActors(file, "INFANTRY");
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SpawnPoints = file.GetSection("Waypoints")
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.Where(kv => int.Parse(kv.Value) > 0)
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.Select(kv => Pair.New(int.Parse(kv.Key), new int2(int.Parse(kv.Value) % MapSize, int.Parse(kv.Value) / MapSize)))
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.Where(a => a.First < 8)
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.Select(a => a.Second)
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.ToArray();
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}
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static MemoryStream ReadPackedSection(IniSection mapPackSection)
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{
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StringBuilder sb = new StringBuilder();
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for (int i = 1; ; i++)
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{
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string line = mapPackSection.GetValue(i.ToString(), null);
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if (line == null)
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break;
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sb.Append(line.Trim());
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}
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byte[] data = Convert.FromBase64String(sb.ToString());
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List<byte[]> chunks = new List<byte[]>();
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BinaryReader reader = new BinaryReader(new MemoryStream(data));
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try
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{
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while (true)
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{
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uint length = reader.ReadUInt32() & 0xdfffffff;
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byte[] dest = new byte[8192];
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byte[] src = reader.ReadBytes((int)length);
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/*int actualLength =*/ Format80.DecodeInto(src, dest);
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chunks.Add(dest);
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}
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}
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catch (EndOfStreamException) { }
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MemoryStream ms = new MemoryStream();
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foreach (byte[] chunk in chunks)
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ms.Write(chunk, 0, chunk.Length);
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ms.Position = 0;
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return ms;
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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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void UnpackRATileData( MemoryStream ms )
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{
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for( int i = 0 ; i < MapSize ; i++ )
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for( int j = 0 ; j < MapSize ; j++ )
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MapTiles[j, i].tile = ReadWord(ms);
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for( int i = 0 ; i < MapSize ; i++ )
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for( int j = 0 ; j < MapSize ; j++ )
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{
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MapTiles[j, i].image = (byte)ms.ReadByte();
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if( MapTiles[ j, i ].tile == 0xff || MapTiles[ j, i ].tile == 0xffff )
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MapTiles[ j, i ].image = (byte)( i % 4 + ( j % 4 ) * 4 );
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}
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}
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static string[] raOverlayNames =
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{
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"sbag", "cycl", "brik", "fenc", "wood",
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"gold01", "gold02", "gold03", "gold04",
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"gem01", "gem02", "gem03", "gem04",
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"v12", "v13", "v14", "v15", "v16", "v17", "v18",
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"fpls", "wcrate", "scrate", "barb", "sbag",
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};
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void UnpackRAOverlayData( MemoryStream ms )
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{
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for( int i = 0 ; i < MapSize ; i++ )
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for( int j = 0 ; j < MapSize ; j++ )
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{
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byte o = ReadByte( ms );
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MapTiles[ j, i ].overlay = (o == 255) ? null : raOverlayNames[o];
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}
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}
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void ReadRATrees( IniFile file )
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{
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IniSection terrain = file.GetSection( "TERRAIN", true );
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if( terrain == null )
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return;
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foreach( KeyValuePair<string, string> kv in terrain )
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{
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var loc = int.Parse( kv.Key );
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Actors.Add( new ActorReference(kv.Value, new int2(loc % MapSize, loc / MapSize), null ) );
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}
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}
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void UnpackCncTileData( Stream ms )
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{
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for( int i = 0 ; i < MapSize ; i++ )
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for( int j = 0 ; j < MapSize ; j++ )
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{
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MapTiles[j, i].tile = (byte)ms.ReadByte();
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MapTiles[j, i].image = (byte)ms.ReadByte();
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if( MapTiles[ j, i ].tile == 0xff )
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MapTiles[ j, i ].image = (byte)( i % 4 + ( j % 4 ) * 4 );
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}
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}
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void ReadCncOverlay( IniFile file )
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{
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IniSection overlay = file.GetSection( "OVERLAY", true );
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if( overlay == null )
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return;
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foreach( KeyValuePair<string, string> kv in overlay )
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{
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var loc = int.Parse( kv.Key );
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int2 cell = new int2(loc % MapSize, loc / MapSize);
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MapTiles[ cell.X, cell.Y ].overlay = kv.Value.ToLower();
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}
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}
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void ReadCncTrees( IniFile file )
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{
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IniSection terrain = file.GetSection( "TERRAIN", true );
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if( terrain == null )
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return;
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foreach( KeyValuePair<string, string> kv in terrain )
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{
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var loc = int.Parse( kv.Key );
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Actors.Add( new ActorReference( kv.Value.Split(',')[0], new int2(loc % MapSize, loc / MapSize),null));
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}
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}
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void LoadActors(IniFile file, string section)
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{
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foreach (var s in file.GetSection(section, true))
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{
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//num=owner,type,health,location,facing,...
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var parts = s.Value.Split( ',' );
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var loc = int.Parse(parts[3]);
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Actors.Add( new ActorReference( parts[1].ToLowerInvariant(), new int2(loc % MapSize, loc / MapSize), parts[0]));
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}
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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 >= XOffset && y >= YOffset && x < XOffset + Width && y < YOffset + Height);
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}
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}
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}
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