diff options
Diffstat (limited to 'src/d_main.c')
| -rw-r--r-- | src/d_main.c | 147 |
1 files changed, 139 insertions, 8 deletions
diff --git a/src/d_main.c b/src/d_main.c index efda9f24..91f66fee 100644 --- a/src/d_main.c +++ b/src/d_main.c @@ -1,7 +1,7 @@ // Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // -// $Id: d_main.c 214 2005-10-17 23:48:05Z fraggle $ +// $Id: d_main.c 223 2005-10-24 18:50:39Z fraggle $ // // Copyright(C) 1993-1996 Id Software, Inc. // Copyright(C) 2005 Simon Howard @@ -22,6 +22,10 @@ // 02111-1307, USA. // // $Log$ +// Revision 1.31 2005/10/24 18:50:39 fraggle +// Allow the game version to emulate to be specified from the command line +// and set compatibility options accordingly. +// // Revision 1.30 2005/10/17 23:48:05 fraggle // DEH_CheckCommandLine -> DEH_Init, for consistency with other Init // functions @@ -137,7 +141,7 @@ //----------------------------------------------------------------------------- -static const char rcsid[] = "$Id: d_main.c 214 2005-10-17 23:48:05Z fraggle $"; +static const char rcsid[] = "$Id: d_main.c 223 2005-10-24 18:50:39Z fraggle $"; #define BGCOLOR 7 #define FGCOLOR 8 @@ -951,25 +955,53 @@ static void IdentifyVersion(void) { // Ultimate Doom - gamedescription = GetGameName("The Ultimate DOOM"); gamemode = retail; } else if (W_CheckNumForName("E3M1") > 0) { - gamedescription = GetGameName("DOOM Registered"); gamemode = registered; } else { - gamedescription = GetGameName("DOOM Shareware"); gamemode = shareware; } } else { - // Doom 2 of some kind. But which mission? + // Doom 2 of some kind. gamemode = commercial; + } +} + +// Set the gamedescription string + +static void SetGameDescription(void) +{ + gamedescription = "Unknown"; + + if (gamemission == doom) + { + // Doom 1. But which version? + + if (gamemode == retail) + { + // Ultimate Doom + + gamedescription = GetGameName("The Ultimate DOOM"); + } + else if (gamemode == registered) + { + gamedescription = GetGameName("DOOM Registered"); + } + else if (gamemode == shareware) + { + gamedescription = GetGameName("DOOM Shareware"); + } + } + else + { + // Doom 2 of some kind. But which mission? if (gamemission == doom2) gamedescription = GetGameName("DOOM 2: Hell on Earth"); @@ -977,8 +1009,6 @@ static void IdentifyVersion(void) gamedescription = GetGameName("DOOM 2: Plutonia Experiment"); else if (gamemission == pack_tnt) gamedescription = GetGameName("DOOM 2: TNT - Evilution"); - else - gamedescription = "DOOM 2: ?????????????"; } } @@ -1136,6 +1166,105 @@ static void SetConfigDir(void) } } +static struct +{ + char *description; + char *cmdline; + GameVersion_t version; +} gameversions[] = { + {"Doom 1.9", "1.9", exe_doom_1_9}, + {"Ultimate Doom", "ultimate", exe_ultimate}, + {"Final Doom", "final", exe_final}, + {NULL}, +}; + +// Initialise the game version + +static void InitGameVersion(void) +{ + int p; + int i; + + p = M_CheckParm("-gameversion"); + + if (p > 0) + { + for (i=0; gameversions[i].description != NULL; ++i) + { + if (!strcmp(myargv[p+1], gameversions[i].cmdline)) + { + gameversion = gameversions[i].version; + break; + } + } + + if (gameversions[i].description == NULL) + { + printf("Supported game versions:\n"); + + for (i=0; gameversions[i].description != NULL; ++i) + { + printf("\t%s (%s)\n", gameversions[i].cmdline, + gameversions[i].description); + } + + I_Error("Unknown game version '%s'", myargv[p+1]); + } + } + else + { + // Determine automatically + + if (gamemode == shareware || gamemode == registered) + { + // original + + gameversion = exe_doom_1_9; + } + else if (gamemode == retail) + { + gameversion = exe_ultimate; + } + else if (gamemode == commercial) + { + if (gamemission == doom2) + { + gameversion = exe_doom_1_9; + } + else + { + // Final Doom: tnt or plutonia + + gameversion = exe_final; + } + } + } + + for (i=0; gameversions[i].description != NULL; ++i) + { + if (gameversions[i].version == gameversion) + { + printf("InitGameVersion: Emulating the behaviour of the " + "'%s' executable.\n", gameversions[i].description); + break; + } + } + + // The original exe does not support retail - 4th episode not supported + + if (gameversion < exe_ultimate && gamemode == retail) + { + gamemode = registered; + } + + // EXEs prior to the Final Doom exes do not support Final Doom. + + if (gameversion < exe_final && gamemode == commercial) + { + gamemission = doom2; + } +} + // // D_DoomMain // @@ -1278,6 +1407,8 @@ void D_DoomMain (void) #endif IdentifyVersion(); + InitGameVersion(); + SetGameDescription(); // Check for -file in shareware if (modifiedgame) |