mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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301 lines
8.3 KiB
C#
301 lines
8.3 KiB
C#
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program 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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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Text;
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using System.IO;
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using CodeImp.DoomBuilder.Map;
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using CodeImp.DoomBuilder.Geometry;
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#endregion
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namespace CodeImp.DoomBuilder.IO
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{
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internal class DoomMapSetIO : MapSetIO
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{
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#region ================== Constants
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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public DoomMapSetIO(WAD wad) : base(wad)
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{
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}
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#endregion
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#region ================== Reading
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// This reads a map from the file and returns a MapSet
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public override MapSet Read(MapSet map, string mapname)
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{
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int firstindex;
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Dictionary<int, Vertex> vertexlink;
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Dictionary<int, Sector> sectorlink;
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// Find the index where first map lump begins
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firstindex = wad.FindLumpIndex(mapname) + 1;
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// Read vertices
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vertexlink = ReadVertices(map, firstindex);
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// Read sectors
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sectorlink = ReadSectors(map, firstindex);
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// Read linedefs and sidedefs
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ReadLinedefs(map, firstindex, vertexlink, sectorlink);
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// Read things
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ReadThings(map, firstindex);
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// Return result;
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return map;
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}
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// This reads the THINGS from WAD file
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private void ReadThings(MapSet map, int firstindex)
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{
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MemoryStream mem;
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BinaryReader reader;
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int num, i, x, y, type, flags;
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float angle;
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Thing t;
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// Get the lump from wad file
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Lump lump = wad.FindLump("THINGS", firstindex);
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if(lump == null) throw new Exception("Could not find required lump THINGS!");
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// Prepare to read the items
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mem = new MemoryStream(lump.Stream.ReadAllBytes());
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num = (int)lump.Stream.Length / 10;
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reader = new BinaryReader(mem);
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// Read items from the lump
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for(i = 0; i < num; i++)
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{
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// Read properties from stream
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x = reader.ReadInt16();
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y = reader.ReadInt16();
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angle = reader.ReadInt16(); // TODO: Fix this!
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type = reader.ReadUInt16();
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flags = reader.ReadUInt16();
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// Create new item
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t = map.CreateThing();
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t.Update(type, new Vector3D(x, y, 0f), angle, flags, 0, 0, Thing.EMPTY_ARGS);
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t.DetermineSector();
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}
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// Done
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mem.Dispose();
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}
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// This reads the VERTICES from WAD file
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// Returns a lookup table with indices
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private Dictionary<int, Vertex> ReadVertices(MapSet map, int firstindex)
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{
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MemoryStream mem;
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Dictionary<int, Vertex> link;
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BinaryReader reader;
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int num, i, x, y;
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Vertex v;
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// Get the lump from wad file
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Lump lump = wad.FindLump("VERTEXES", firstindex);
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if(lump == null) throw new Exception("Could not find required lump VERTEXES!");
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// Prepare to read the items
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mem = new MemoryStream(lump.Stream.ReadAllBytes());
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num = (int)lump.Stream.Length / 4;
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reader = new BinaryReader(mem);
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// Create lookup table
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link = new Dictionary<int, Vertex>(num);
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// Read items from the lump
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for(i = 0; i < num; i++)
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{
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// Read properties from stream
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x = reader.ReadInt16();
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y = reader.ReadInt16();
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// Create new item
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v = map.CreateVertex(x, y);
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// Add it to the lookup table
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link.Add(i, v);
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}
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// Done
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mem.Dispose();
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// Return lookup table
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return link;
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}
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// This reads the SECTORS from WAD file
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// Returns a lookup table with indices
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private Dictionary<int, Sector> ReadSectors(MapSet map, int firstindex)
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{
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MemoryStream mem;
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Dictionary<int, Sector> link;
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BinaryReader reader;
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int num, i, hfloor, hceil, bright, special, tag;
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string tfloor, tceil;
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Sector s;
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// Get the lump from wad file
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Lump lump = wad.FindLump("SECTORS", firstindex);
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if(lump == null) throw new Exception("Could not find required lump SECTORS!");
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// Prepare to read the items
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mem = new MemoryStream(lump.Stream.ReadAllBytes());
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num = (int)lump.Stream.Length / 26;
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reader = new BinaryReader(mem);
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// Create lookup table
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link = new Dictionary<int, Sector>(num);
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// Read items from the lump
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for(i = 0; i < num; i++)
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{
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// Read properties from stream
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hfloor = reader.ReadInt16();
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hceil = reader.ReadInt16();
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tfloor = Lump.MakeNormalName(reader.ReadBytes(8), WAD.ENCODING);
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tceil = Lump.MakeNormalName(reader.ReadBytes(8), WAD.ENCODING);
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bright = reader.ReadInt16();
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special = reader.ReadUInt16();
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tag = reader.ReadUInt16();
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// Create new item
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s = map.CreateSector();
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s.Update(hfloor, hceil, tfloor, tceil, special, tag);
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// Add it to the lookup table
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link.Add(i, s);
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}
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// Done
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mem.Dispose();
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// Return lookup table
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return link;
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}
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// This reads the LINEDEFS and SIDEDEFS from WAD file
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private void ReadLinedefs(MapSet map, int firstindex,
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Dictionary<int, Vertex> vertexlink, Dictionary<int, Sector> sectorlink)
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{
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MemoryStream linedefsmem, sidedefsmem;
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BinaryReader readline, readside;
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Lump linedefslump, sidedefslump;
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int num, i, offsetx, offsety, v1, v2;
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int s1, s2, flags, action, tag, sc;
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string thigh, tmid, tlow;
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Linedef l;
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Sidedef s;
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// Get the linedefs lump from wad file
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linedefslump = wad.FindLump("LINEDEFS", firstindex);
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if(linedefslump == null) throw new Exception("Could not find required lump LINEDEFS!");
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// Get the sidedefs lump from wad file
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sidedefslump = wad.FindLump("SIDEDEFS", firstindex);
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if(sidedefslump == null) throw new Exception("Could not find required lump SIDEDEFS!");
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// Prepare to read the items
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linedefsmem = new MemoryStream(linedefslump.Stream.ReadAllBytes());
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sidedefsmem = new MemoryStream(sidedefslump.Stream.ReadAllBytes());
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num = (int)linedefslump.Stream.Length / 14;
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readline = new BinaryReader(linedefsmem);
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readside = new BinaryReader(sidedefsmem);
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// Read items from the lump
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for(i = 0; i < num; i++)
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{
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// Read properties from stream
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v1 = readline.ReadUInt16();
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v2 = readline.ReadUInt16();
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flags = readline.ReadUInt16();
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action = readline.ReadUInt16();
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tag = readline.ReadUInt16();
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s1 = readline.ReadUInt16();
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s2 = readline.ReadUInt16();
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// Create new item
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l = map.CreateLinedef(vertexlink[v1], vertexlink[v2]);
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l.Update(flags, tag, action, Linedef.EMPTY_ARGS);
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// Line has a front side?
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if(s1 != ushort.MaxValue)
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{
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// Read front sidedef
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sidedefsmem.Seek(s1 * 30, SeekOrigin.Begin);
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offsetx = readside.ReadInt16();
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offsety = readside.ReadInt16();
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thigh = Lump.MakeNormalName(readside.ReadBytes(8), WAD.ENCODING);
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tmid = Lump.MakeNormalName(readside.ReadBytes(8), WAD.ENCODING);
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tlow = Lump.MakeNormalName(readside.ReadBytes(8), WAD.ENCODING);
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sc = readside.ReadUInt16();
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// Create front sidedef
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s = map.CreateSidedef(l, true, sectorlink[sc]);
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s.Update(offsetx, offsety, thigh, tmid, tlow);
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}
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// Line has a back side?
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if(s2 != ushort.MaxValue)
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{
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// Read back sidedef
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sidedefsmem.Seek(s2 * 30, SeekOrigin.Begin);
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offsetx = readside.ReadInt16();
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offsety = readside.ReadInt16();
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thigh = Lump.MakeNormalName(readside.ReadBytes(8), WAD.ENCODING);
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tmid = Lump.MakeNormalName(readside.ReadBytes(8), WAD.ENCODING);
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tlow = Lump.MakeNormalName(readside.ReadBytes(8), WAD.ENCODING);
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sc = readside.ReadUInt16();
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// Create back sidedef
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s = map.CreateSidedef(l, false, sectorlink[sc]);
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s.Update(offsetx, offsety, thigh, tmid, tlow);
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}
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}
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// Done
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linedefsmem.Dispose();
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sidedefsmem.Dispose();
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}
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#endregion
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#region ================== Writing
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// This writes a MapSet to the file
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public override void Write(MapSet map, string mapname, int position)
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{
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}
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#endregion
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}
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}
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