mirror of
https://github.com/ZDoom/qzdoom-gpl.git
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66920536d9
- Fixed: The non-Windows CreatePath can fail if part of the path already exists, because mkdir will return an error code for trying to recreate an existing directory. SVN r1814 (trunk)
603 lines
No EOL
16 KiB
C++
603 lines
No EOL
16 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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// 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;
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CheckIWAD ("", wads);
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}
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}
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if (iwadparm == NULL || wads[0].Path.IsEmpty())
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{
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if (GameConfig->SetSection ("IWADSearch.Directories"))
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{
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const char *key;
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const char *value;
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while (GameConfig->NextInSection (key, value))
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{
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if (stricmp (key, "Path") == 0)
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{
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FString nice = NicePath(value);
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FixPathSeperator(nice.LockBuffer());
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nice.UnlockBuffer();
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CheckIWAD(nice, wads);
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}
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}
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}
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#ifdef _WIN32
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FString steam_path = I_GetSteamPath();
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if (steam_path.IsNotEmpty())
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{
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static const char *const steam_dirs[] =
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{
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"doom 2/base",
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"final doom/base",
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"heretic shadow of the serpent riders/base",
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"hexen/base",
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"hexen deathkings of the dark citadel/base",
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"ultimate doom/base"
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};
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steam_path += "/SteamApps/common/";
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for (i = 0; i < countof(steam_dirs); ++i)
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{
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CheckIWAD (steam_path + steam_dirs[i], wads);
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}
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}
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#endif
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}
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if (iwadparm != NULL && !wads[0].Path.IsEmpty())
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{
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iwadparmfound = true;
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}
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for (i = numwads = 0; i < countof(IWADNames); i++)
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{
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if (!wads[i].Path.IsEmpty())
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{
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if (i != numwads)
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{
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wads[numwads] = wads[i];
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}
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foundwads[wads[numwads].Type] = numwads + 1;
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numwads++;
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}
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}
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|
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if (foundwads[IWAD_HexenDK] && !foundwads[IWAD_Hexen])
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{ // Cannot play Hexen DK without Hexen
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size_t kill = foundwads[IWAD_HexenDK];
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for (i = kill; i < numwads; ++i)
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{
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wads[i - 1] = wads[i];
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}
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numwads--;
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foundwads[IWAD_HexenDK] = 0;
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for (i = 0; i < NUM_IWAD_TYPES; ++i)
|
|
{
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if (foundwads[i] > kill)
|
|
{
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foundwads[i]--;
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}
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}
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}
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|
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if (numwads == 0)
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{
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I_FatalError ("Cannot find a game IWAD (doom.wad, doom2.wad, heretic.wad, etc.).\n"
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"Did you install ZDoom properly? You can do either of the following:\n"
|
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"\n"
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"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]");
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|
}
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|
|
|
pickwad = 0;
|
|
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if (!iwadparmfound && numwads > 1)
|
|
{
|
|
int defiwad = 0;
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|
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// Locate the user's prefered IWAD, if it was found.
|
|
if (defaultiwad[0] != '\0')
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{
|
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for (i = 0; i < numwads; ++i)
|
|
{
|
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FString basename = ExtractFileBase (wads[i].Path);
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if (stricmp (basename, defaultiwad) == 0)
|
|
{
|
|
defiwad = (int)i;
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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;
|
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}
|
|
}
|
|
|
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if (pickwad < 0)
|
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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;
|
|
} |