229 lines
6.7 KiB
C#
229 lines
6.7 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.Text;
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using System.Reflection;
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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 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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"Uid", "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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// TODO: Players
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// Actors
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foreach (var kv in yaml["Actors"].Nodes.ToPairs())
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{
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string[] vals = kv.Second.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[1]);
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Actors.Add(kv.First,a);
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}
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// Rules
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Rules = yaml["Rules"].Nodes;
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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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// TODO: Players
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root.Add("Rules",new MiniYaml(null,Rules));
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SaveBinaryData(filepath+"map.bin");
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root.WriteToFile(filepath+"map.yaml");
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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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Stream dataStream = Package.GetContent("map.bin");
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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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public void SaveBinaryData(string filepath)
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{
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FileStream dataStream = new FileStream(filepath+".tmp", FileMode.Create, FileAccess.Write);
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BinaryWriter writer = new BinaryWriter( dataStream );
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writer.BaseStream.Seek(0, SeekOrigin.Begin);
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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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writer.Flush();
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writer.Close();
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File.Move(filepath+".tmp",filepath);
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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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}
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}
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}
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