mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-03 01:12:23 +00:00
642 lines
No EOL
17 KiB
C++
642 lines
No EOL
17 KiB
C++
/*
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** d_iwad.cpp
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** IWAD detection code
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2009 Randy Heit
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** Copyright 2009 CHristoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "d_main.h"
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#include "gi.h"
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#include "cmdlib.h"
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#include "doomstat.h"
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#include "i_system.h"
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#include "w_wad.h"
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#include "w_zip.h"
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#include "v_palette.h"
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#include "m_argv.h"
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#include "m_misc.h"
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#include "c_cvars.h"
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#include "gameconfigfile.h"
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#include "resourcefiles/resourcefile.h"
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CVAR (Bool, queryiwad, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
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CVAR (String, defaultiwad, "", CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
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EIWADType gameiwad;
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// If autoname is NULL, that's either because that game doesn't allow
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// loading of external wads or because it's already caught by the
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// general game-specific wads section.
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const IWADInfo IWADInfos[NUM_IWAD_TYPES] =
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{
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// banner text, autoname, fg color, bg color
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{ "Final Doom: TNT - Evilution", "TNT", MAKERGB(168,0,0), MAKERGB(168,168,168), GAME_Doom, "mapinfo/tnt.txt", GI_MAPxx },
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{ "Final Doom: Plutonia Experiment", "Plutonia", MAKERGB(168,0,0), MAKERGB(168,168,168), GAME_Doom, "mapinfo/plutonia.txt", GI_MAPxx },
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{ "Hexen: Beyond Heretic", NULL, MAKERGB(240,240,240), MAKERGB(107,44,24), GAME_Hexen, "mapinfo/hexen.txt", GI_MAPxx },
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{ "Hexen: Deathkings of the Dark Citadel", "HexenDK", MAKERGB(240,240,240), MAKERGB(139,68,9), GAME_Hexen, "mapinfo/hexen.txt", GI_MAPxx },
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{ "Hexen: Demo Version", "HexenDemo",MAKERGB(240,240,240), MAKERGB(107,44,24), GAME_Hexen, "mapinfo/hexen.txt", GI_MAPxx | GI_SHAREWARE },
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{ "DOOM 2: Hell on Earth", "Doom2", MAKERGB(168,0,0), MAKERGB(168,168,168), GAME_Doom, "mapinfo/doom2.txt", GI_MAPxx },
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{ "Heretic Shareware", NULL, MAKERGB(252,252,0), MAKERGB(168,0,0), GAME_Heretic, "mapinfo/hereticsw.txt",GI_SHAREWARE },
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{ "Heretic: Shadow of the Serpent Riders", NULL, MAKERGB(252,252,0), MAKERGB(168,0,0), GAME_Heretic, "mapinfo/heretic.txt", GI_MENUHACK_EXTENDED },
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{ "Heretic", NULL, MAKERGB(252,252,0), MAKERGB(168,0,0), GAME_Heretic, "mapinfo/heretic.txt" },
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{ "DOOM Shareware", NULL, MAKERGB(168,0,0), MAKERGB(168,168,168), GAME_Doom, "mapinfo/doom1.txt", GI_SHAREWARE },
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{ "The Ultimate DOOM", "Doom1", MAKERGB(84,84,84), MAKERGB(168,168,168), GAME_Doom, "mapinfo/ultdoom.txt" },
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{ "DOOM Registered", "Doom1", MAKERGB(84,84,84), MAKERGB(168,168,168), GAME_Doom, "mapinfo/doom1.txt" },
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{ "Strife: Quest for the Sigil", NULL, MAKERGB(224,173,153), MAKERGB(0,107,101), GAME_Strife, "mapinfo/strife.txt", GI_MAPxx },
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{ "Strife: Teaser (Old Version)", NULL, MAKERGB(224,173,153), MAKERGB(0,107,101), GAME_Strife, "mapinfo/strife.txt", GI_MAPxx | GI_SHAREWARE },
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{ "Strife: Teaser (New Version)", NULL, MAKERGB(224,173,153), MAKERGB(0,107,101), GAME_Strife, "mapinfo/strife.txt", GI_MAPxx | GI_SHAREWARE | GI_TEASER2 },
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{ "Freedoom", "Freedoom", MAKERGB(50,84,67), MAKERGB(198,220,209), GAME_Doom, "mapinfo/doom2.txt", GI_MAPxx },
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{ "Ultimate Freedoom", "Freedoom1",MAKERGB(50,84,67), MAKERGB(198,220,209), GAME_Doom, "mapinfo/doom1.txt" },
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{ "Freedoom \"Demo\"", NULL, MAKERGB(50,84,67), MAKERGB(198,220,209), GAME_Doom, "mapinfo/doom1.txt" },
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{ "FreeDM", "FreeDM", MAKERGB(50,84,67), MAKERGB(198,220,209), GAME_Doom, "mapinfo/doom2.txt", GI_MAPxx },
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{ "Chex(R) Quest", "Chex1", MAKERGB(255,255,0), MAKERGB(0,192,0), GAME_Chex, "mapinfo/chex.txt" },
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{ "Chex(R) Quest 3", "Chex3", MAKERGB(255,255,0), MAKERGB(0,192,0), GAME_Chex, "mapinfo/chex3.txt" },
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//{ "ZDoom Engine", NULL, MAKERGB(168,0,0), MAKERGB(168,168,168) },
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};
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static const char *IWADNames[] =
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{
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NULL,
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"doom2f.wad",
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"doom2.wad",
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"plutonia.wad",
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"tnt.wad",
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"doomu.wad", // Hack from original Linux version. Not necessary, but I threw it in anyway.
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"doom.wad",
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"doom1.wad",
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"heretic.wad",
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"heretic1.wad",
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"hexen.wad",
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"hexdd.wad",
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"hexendemo.wad",
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"hexdemo.wad",
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"strife1.wad",
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"strife0.wad",
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"freedoom.wad", // Freedoom.wad is distributed as Doom2.wad, but this allows to have both in the same directory.
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"freedoom1.wad",
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"freedoomu.wad",
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"freedm.wad",
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"chex.wad",
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"chex3.wad",
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#ifdef unix
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"DOOM2.WAD", // Also look for all-uppercase names
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"PLUTONIA.WAD",
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"TNT.WAD",
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"DOOM.WAD",
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"DOOM1.WAD",
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"HERETIC.WAD",
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"HERETIC1.WAD",
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"HEXEN.WAD",
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"HEXDD.WAD",
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"HEXENDEMO.WAD",
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"HEXDEMO.WAD",
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"STRIFE1.WAD",
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"STRIFE0.WAD",
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"FREEDOOM.WAD",
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"FREEDOOM1.WAD",
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"FREEDOOMU.WAD",
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"FREEDM.WAD",
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"CHEX.WAD",
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"CHEX3.WAD",
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#endif
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NULL
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};
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//==========================================================================
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//
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// ScanIWAD
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//
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// Scan the contents of an IWAD to determine which one it is
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//==========================================================================
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static EIWADType ScanIWAD (const char *iwad)
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{
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static const char checklumps[][8] =
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{
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"E1M1",
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"E4M2",
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"MAP01",
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"MAP40",
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"MAP60",
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"TITLE",
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"REDTNT2",
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"CAMO1",
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{ 'E','X','T','E','N','D','E','D'},
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"ENDSTRF",
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"MAP33",
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"INVCURS",
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{ 'F','R','E','E','D','O','O','M' },
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"W94_1",
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{ 'P','O','S','S','H','0','M','0' },
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"CYCLA1",
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"FLMBA1",
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"MAPINFO",
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{ 'G','A','M','E','I','N','F','O' },
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"E2M1","E2M2","E2M3","E2M4","E2M5","E2M6","E2M7","E2M8","E2M9",
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"E3M1","E3M2","E3M3","E3M4","E3M5","E3M6","E3M7","E3M8","E3M9",
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"DPHOOF","BFGGA0","HEADA1","CYBRA1",
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{ 'S','P','I','D','A','1','D','1' },
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};
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#define NUM_CHECKLUMPS (sizeof(checklumps)/8)
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enum
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{
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Check_e1m1,
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Check_e4m1,
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Check_map01,
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Check_map40,
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Check_map60,
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Check_title,
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Check_redtnt2,
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Check_cam01,
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Check_Extended,
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Check_endstrf,
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Check_map33,
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Check_invcurs,
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Check_FreeDoom,
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Check_W94_1,
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Check_POSSH0M0,
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Check_Cycla1,
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Check_Flmba1,
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Check_Mapinfo,
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Check_Gameinfo,
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Check_e2m1
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};
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int lumpsfound[NUM_CHECKLUMPS];
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size_t i;
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memset (lumpsfound, 0, sizeof(lumpsfound));
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FResourceFile *iwadfile = FResourceFile::OpenResourceFile(iwad, NULL, true);
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if (iwadfile != NULL)
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{
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for(DWORD ii = 0; ii < iwadfile->LumpCount(); ii++)
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{
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FResourceLump *lump = iwadfile->GetLump(ii);
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for (DWORD j = 0; j < NUM_CHECKLUMPS; j++)
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if (strnicmp (lump->Name, checklumps[j], 8) == 0)
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lumpsfound[j]++;
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}
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delete iwadfile;
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}
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// Always check for custom iwads first.
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#if 0
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if (lumpsfound[Check_Gameinfo])
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{
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return IWAD_Custom;
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}
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#endif
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if (lumpsfound[Check_title] && lumpsfound[Check_map60])
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{
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return IWAD_HexenDK;
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}
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else if (lumpsfound[Check_map33] && lumpsfound[Check_endstrf])
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{
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if (lumpsfound[Check_map01])
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{
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return IWAD_Strife;
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}
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else if (lumpsfound[Check_invcurs])
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{
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return IWAD_StrifeTeaser2;
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}
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else
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{
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return IWAD_StrifeTeaser;
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}
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}
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else if (lumpsfound[Check_map01])
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{
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if (lumpsfound[Check_FreeDoom])
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{
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// Is there a 100% reliable way to tell FreeDoom and FreeDM
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// apart based solely on the lump names?
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if (strstr(iwad, "freedm.wad") || strstr(iwad, "FREEDM.WAD"))
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{
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return IWAD_FreeDM;
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}
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else
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{
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return IWAD_FreeDoom;
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}
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}
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else if (lumpsfound[Check_redtnt2])
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{
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return IWAD_Doom2TNT;
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}
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else if (lumpsfound[Check_cam01])
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{
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return IWAD_Doom2Plutonia;
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}
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else
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{
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if (lumpsfound[Check_title])
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{
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if (lumpsfound[Check_map40])
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{
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return IWAD_Hexen;
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}
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else
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{
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return IWAD_HexenDemo;
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}
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}
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else
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{
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return IWAD_Doom2;
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}
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}
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}
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else if (lumpsfound[Check_e1m1])
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{
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if (lumpsfound[Check_title])
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{
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if (!lumpsfound[Check_e2m1])
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{
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return IWAD_HereticShareware;
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}
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else
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{
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if (lumpsfound[Check_Extended])
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{
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return IWAD_HereticExtended;
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}
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else
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{
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return IWAD_Heretic;
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}
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}
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}
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else if (lumpsfound[Check_Cycla1] && lumpsfound[Check_Flmba1])
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{
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if (!lumpsfound[Check_Mapinfo])
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{
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// The original release won't work without its hacked custom EXE.
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//I_FatalError("Found an incompatible version of Chex Quest 3");
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return NUM_IWAD_TYPES; // Can't use it.
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}
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return IWAD_ChexQuest3;
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}
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else
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{
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if (lumpsfound[Check_FreeDoom])
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{
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if (!lumpsfound[Check_e2m1])
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{
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return IWAD_FreeDoom1;
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}
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else
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{
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return IWAD_FreeDoomU;
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}
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}
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for (i = Check_e2m1; i < NUM_CHECKLUMPS; i++)
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{
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if (!lumpsfound[i])
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{
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return IWAD_DoomShareware;
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}
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}
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if (i == NUM_CHECKLUMPS)
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{
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if (lumpsfound[Check_e4m1])
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{
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if (lumpsfound[Check_W94_1] && lumpsfound[Check_POSSH0M0])
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{
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return IWAD_ChexQuest;
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}
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else
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{
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return IWAD_UltimateDoom;
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}
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}
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else
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{
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return IWAD_DoomRegistered;
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}
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}
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}
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}
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return NUM_IWAD_TYPES; // Don't know
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}
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//==========================================================================
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//
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// CheckIWAD
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//
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// Tries to find an IWAD from a set of known IWAD names, and checks the
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// contents of each one found to determine which game it belongs to.
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// Returns the number of new wads found in this pass (does not count wads
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// found from a previous call).
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//
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//==========================================================================
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static int CheckIWAD (const char *doomwaddir, WadStuff *wads)
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{
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const char *slash;
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int i;
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int numfound;
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numfound = 0;
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slash = (doomwaddir[0] && doomwaddir[strlen (doomwaddir)-1] != '/') ? "/" : "";
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// Search for a pre-defined IWAD
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for (i = IWADNames[0] ? 0 : 1; IWADNames[i]; i++)
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{
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if (wads[i].Path.IsEmpty())
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{
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FString iwad;
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iwad.Format ("%s%s%s", doomwaddir, slash, IWADNames[i]);
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FixPathSeperator (iwad.LockBuffer());
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iwad.UnlockBuffer();
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if (FileExists (iwad))
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{
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wads[i].Type = ScanIWAD (iwad);
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if (wads[i].Type != NUM_IWAD_TYPES)
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{
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wads[i].Path = iwad;
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numfound++;
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}
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}
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}
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}
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return numfound;
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}
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//==========================================================================
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//
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// CheckIWADinEnvDir
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//
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// Checks for an IWAD in a path that contains one or more environment
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// variables.
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//
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//==========================================================================
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static int CheckIWADinEnvDir (const char *str, WadStuff *wads)
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{
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FString expanded = ExpandEnvVars (str);
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if (!expanded.IsEmpty())
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{
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char *dir = expanded.LockBuffer ();
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FixPathSeperator (dir);
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expanded.UnlockBuffer ();
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if (expanded[expanded.Len() - 1] != '/')
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{
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expanded += '/';
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}
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return CheckIWAD (expanded, wads);
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}
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return false;
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}
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//==========================================================================
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//
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// IdentifyVersion
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//
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// Tries to find an IWAD in one of four directories under DOS or Win32:
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// 1. Current directory
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// 2. Executable directory
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// 3. $DOOMWADDIR
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// 4. $HOME
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//
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// Under UNIX OSes, the search path is:
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// 1. Current directory
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// 2. $DOOMWADDIR
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// 3. $HOME/.zdoom
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// 4. The share directory defined at compile time (/usr/local/share/zdoom)
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//
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// The search path can be altered by editing the IWADSearch.Directories
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// section of the config file.
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//
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//==========================================================================
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static EIWADType IdentifyVersion (const char *zdoom_wad)
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{
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WadStuff wads[countof(IWADNames)];
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size_t foundwads[NUM_IWAD_TYPES] = { 0 };
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const char *iwadparm = Args->CheckValue ("-iwad");
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size_t numwads;
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int pickwad;
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size_t i;
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bool iwadparmfound = false;
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FString custwad;
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if (iwadparm)
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{
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custwad = iwadparm;
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FixPathSeperator (custwad.LockBuffer());
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if (CheckIWAD (custwad, wads))
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{ // -iwad parameter was a directory
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iwadparm = NULL;
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}
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else
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{
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DefaultExtension (custwad, ".wad");
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iwadparm = custwad;
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IWADNames[0] = iwadparm;
|
|
CheckIWAD ("", wads);
|
|
}
|
|
}
|
|
|
|
if (iwadparm == NULL || wads[0].Path.IsEmpty())
|
|
{
|
|
if (GameConfig->SetSection ("IWADSearch.Directories"))
|
|
{
|
|
const char *key;
|
|
const char *value;
|
|
|
|
while (GameConfig->NextInSection (key, value))
|
|
{
|
|
if (stricmp (key, "Path") == 0)
|
|
{
|
|
if (strchr (value, '$') != NULL)
|
|
{
|
|
CheckIWADinEnvDir (value, wads);
|
|
}
|
|
#ifdef unix
|
|
else if (*value == '~' && (*(value + 1) == 0 || *(value + 1) == '/'))
|
|
{
|
|
FString homepath = GetUserFile (*(value + 1) ? value + 2 : value + 1, true);
|
|
CheckIWAD (homepath, wads);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
CheckIWAD (value, wads);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef _WIN32
|
|
FString steam_path = I_GetSteamPath();
|
|
if (steam_path.IsNotEmpty())
|
|
{
|
|
static const char *const steam_dirs[] =
|
|
{
|
|
"doom 2/base",
|
|
"final doom/base",
|
|
"heretic shadow of the serpent riders/base",
|
|
"hexen/base",
|
|
"hexen deathkings of the dark citadel/base",
|
|
"ultimate doom/base"
|
|
};
|
|
steam_path += "/SteamApps/common/";
|
|
for (i = 0; i < countof(steam_dirs); ++i)
|
|
{
|
|
CheckIWAD (steam_path + steam_dirs[i], wads);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (iwadparm != NULL && !wads[0].Path.IsEmpty())
|
|
{
|
|
iwadparmfound = true;
|
|
}
|
|
|
|
for (i = numwads = 0; i < countof(IWADNames); i++)
|
|
{
|
|
if (!wads[i].Path.IsEmpty())
|
|
{
|
|
if (i != numwads)
|
|
{
|
|
wads[numwads] = wads[i];
|
|
}
|
|
foundwads[wads[numwads].Type] = numwads + 1;
|
|
numwads++;
|
|
}
|
|
}
|
|
|
|
if (foundwads[IWAD_HexenDK] && !foundwads[IWAD_Hexen])
|
|
{ // Cannot play Hexen DK without Hexen
|
|
size_t kill = foundwads[IWAD_HexenDK];
|
|
for (i = kill; i < numwads; ++i)
|
|
{
|
|
wads[i - 1] = wads[i];
|
|
}
|
|
numwads--;
|
|
foundwads[IWAD_HexenDK] = 0;
|
|
for (i = 0; i < NUM_IWAD_TYPES; ++i)
|
|
{
|
|
if (foundwads[i] > kill)
|
|
{
|
|
foundwads[i]--;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (numwads == 0)
|
|
{
|
|
I_FatalError ("Cannot find a game IWAD (doom.wad, doom2.wad, heretic.wad, etc.).\n"
|
|
"Did you install ZDoom properly? You can do either of the following:\n"
|
|
"\n"
|
|
"1. Place one or more of these wads in the same directory as ZDoom.\n"
|
|
"2. Edit your zdoom-username.ini and add the directories of your iwads\n"
|
|
"to the list beneath [IWADSearch.Directories]");
|
|
}
|
|
|
|
pickwad = 0;
|
|
|
|
if (!iwadparmfound && numwads > 1)
|
|
{
|
|
int defiwad = 0;
|
|
|
|
// Locate the user's prefered IWAD, if it was found.
|
|
if (defaultiwad[0] != '\0')
|
|
{
|
|
for (i = 0; i < numwads; ++i)
|
|
{
|
|
FString basename = ExtractFileBase (wads[i].Path);
|
|
if (stricmp (basename, defaultiwad) == 0)
|
|
{
|
|
defiwad = (int)i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
pickwad = I_PickIWad (wads, (int)numwads, queryiwad, defiwad);
|
|
if (pickwad >= 0)
|
|
{
|
|
// The newly selected IWAD becomes the new default
|
|
FString basename = ExtractFileBase (wads[pickwad].Path);
|
|
defaultiwad = basename;
|
|
}
|
|
}
|
|
|
|
if (pickwad < 0)
|
|
exit (0);
|
|
|
|
// zdoom.pk3 must always be the first file loaded and the IWAD second.
|
|
D_AddFile (zdoom_wad);
|
|
|
|
if (wads[pickwad].Type == IWAD_HexenDK)
|
|
{ // load hexen.wad before loading hexdd.wad
|
|
D_AddFile (wads[foundwads[IWAD_Hexen]-1].Path);
|
|
}
|
|
|
|
D_AddFile (wads[pickwad].Path);
|
|
|
|
if (wads[pickwad].Type == IWAD_Strife)
|
|
{ // Try to load voices.wad along with strife1.wad
|
|
long lastslash = wads[pickwad].Path.LastIndexOf ('/');
|
|
FString path;
|
|
|
|
if (lastslash == -1)
|
|
{
|
|
path = "";// wads[pickwad].Path;
|
|
}
|
|
else
|
|
{
|
|
path = FString (wads[pickwad].Path.GetChars(), lastslash + 1);
|
|
}
|
|
path += "voices.wad";
|
|
D_AddFile (path);
|
|
}
|
|
|
|
return wads[pickwad].Type;
|
|
}
|
|
|
|
|
|
const IWADInfo *D_FindIWAD(const char *basewad)
|
|
{
|
|
EIWADType iwadType = IdentifyVersion(basewad);
|
|
gameiwad = iwadType;
|
|
const IWADInfo *iwad_info = &IWADInfos[iwadType];
|
|
I_SetIWADInfo(iwad_info);
|
|
return iwad_info;
|
|
} |