static void LoadHacxDeh(void) { // If this is the HACX IWAD, we need to load the DEHACKED lump. if (gameversion == exe_hacx) { if (!DEH_LoadLumpByName("DEHACKED")) { I_Error("DEHACKED lump not found. Please check that this is the " "Hacx v1.2 IWAD."); } } }
// Load dehacked patches needed for certain IWADs. static void LoadIwadDeh(void) { // The Freedoom IWADs have DEHACKED lumps that must be loaded. if (W_CheckNumForName("FREEDOOM") >= 0) { // Old versions of Freedoom (before 2014-09) did not have technically // valid DEHACKED lumps, so ignore errors and just continue if this // is an old IWAD. DEH_LoadLumpByName("DEHACKED", false, true); } // If this is the HACX IWAD, we need to load the DEHACKED lump. if (gameversion == exe_hacx) { if (!DEH_LoadLumpByName("DEHACKED", true, false)) { I_Error("DEHACKED lump not found. Please check that this is the " "Hacx v1.2 IWAD."); } } // Chex Quest needs a separate Dehacked patch which must be downloaded // and installed next to the IWAD. if (gameversion == exe_chex) { char *chex_deh = NULL; char *sep; // Look for chex.deh in the same directory as the IWAD file. sep = strrchr(iwadfile, DIR_SEPARATOR); if (sep != NULL) { size_t chex_deh_len = strlen(iwadfile) + 9; chex_deh = malloc(chex_deh_len); M_StringCopy(chex_deh, iwadfile, chex_deh_len); chex_deh[sep - iwadfile + 1] = '\0'; M_StringConcat(chex_deh, "chex.deh", chex_deh_len); } else { chex_deh = M_StringDuplicate("chex.deh"); } // If the dehacked patch isn't found, try searching the WAD // search path instead. We might find it... if (!M_FileExists(chex_deh)) { free(chex_deh); chex_deh = D_FindWADByName("chex.deh"); } // Still not found? if (chex_deh == NULL) { I_Error("Unable to find Chex Quest dehacked file (chex.deh).\n" "The dehacked file is required in order to emulate\n" "chex.exe correctly. It can be found in your nearest\n" "/idgames repository mirror at:\n\n" " utils/exe_edit/patches/chexdeh.zip"); } if (!DEH_LoadFile(chex_deh)) { I_Error("Failed to load chex.deh needed for emulating chex.exe."); } } }
// // D_DoomMain // void D_DoomMain (void) { int p; char file[256]; char demolumpname[9]; I_AtExit(D_Endoom, false); // print banner I_PrintBanner(PACKAGE_STRING); DEH_printf("Z_Init: Init zone memory allocation daemon. \n"); Z_Init (); #ifdef FEATURE_MULTIPLAYER //! // @category net // // Start a dedicated server, routing packets but not participating // in the game itself. // if (M_CheckParm("-dedicated") > 0) { printf("Dedicated server mode.\n"); NET_DedicatedServer(); // Never returns } //! // @category net // // Query the Internet master server for a global list of active // servers. // if (M_CheckParm("-search")) { NET_MasterQuery(); exit(0); } //! // @arg <address> // @category net // // Query the status of the server running on the given IP // address. // p = M_CheckParmWithArgs("-query", 1); if (p) { NET_QueryAddress(myargv[p+1]); exit(0); } //! // @category net // // Search the local LAN for running servers. // if (M_CheckParm("-localsearch")) { NET_LANQuery(); exit(0); } #endif #ifdef FEATURE_DEHACKED printf("DEH_Init: Init Dehacked support.\n"); DEH_Init(); #endif //! // @vanilla // // Disable monsters. // nomonsters = M_CheckParm ("-nomonsters"); //! // @vanilla // // Monsters respawn after being killed. // respawnparm = M_CheckParm ("-respawn"); //! // @vanilla // // Monsters move faster. // fastparm = M_CheckParm ("-fast"); //! // @vanilla // // Developer mode. F1 saves a screenshot in the current working // directory. // devparm = M_CheckParm ("-devparm"); I_DisplayFPSDots(devparm); //! // @category net // @vanilla // // Start a deathmatch game. // if (M_CheckParm ("-deathmatch")) deathmatch = 1; //! // @category net // @vanilla // // Start a deathmatch 2.0 game. Weapons do not stay in place and // all items respawn after 30 seconds. // if (M_CheckParm ("-altdeath")) deathmatch = 2; if (devparm) DEH_printf(D_DEVSTR); // find which dir to use for config files #ifdef _WIN32 //! // @platform windows // @vanilla // // Save configuration data and savegames in c:\doomdata, // allowing play from CD. // if (M_CheckParm("-cdrom") > 0) { printf(D_CDROM); M_SetConfigDir("c:\\doomdata\\"); } else #endif { // Auto-detect the configuration dir. M_SetConfigDir(NULL); } //! // @arg <x> // @vanilla // // Turbo mode. The player's speed is multiplied by x%. If unspecified, // x defaults to 200. Values are rounded up to 10 and down to 400. // if ( (p=M_CheckParm ("-turbo")) ) { int scale = 200; extern int forwardmove[2]; extern int sidemove[2]; if (p<myargc-1) scale = atoi (myargv[p+1]); if (scale < 10) scale = 10; if (scale > 400) scale = 400; DEH_printf("turbo scale: %i%%\n", scale); forwardmove[0] = forwardmove[0]*scale/100; forwardmove[1] = forwardmove[1]*scale/100; sidemove[0] = sidemove[0]*scale/100; sidemove[1] = sidemove[1]*scale/100; } // init subsystems DEH_printf("V_Init: allocate screens.\n"); V_Init (); // Load configuration files before initialising other subsystems. DEH_printf("M_LoadDefaults: Load system defaults.\n"); M_SetConfigFilenames("default.cfg", PROGRAM_PREFIX "doom.cfg"); D_BindVariables(); M_LoadDefaults(); // Save configuration at exit. I_AtExit(M_SaveDefaults, false); // Find main IWAD file and load it. iwadfile = D_FindIWAD(IWAD_MASK_DOOM, &gamemission); // None found? if (iwadfile == NULL) { I_Error("Game mode indeterminate. No IWAD file was found. Try\n" "specifying one with the '-iwad' command line parameter.\n"); } modifiedgame = false; DEH_printf("W_Init: Init WADfiles.\n"); D_AddFile(iwadfile); W_CheckCorrectIWAD(doom); // The Freedoom IWADs have DEHACKED lumps with cosmetic changes to the // in-game messages. Load this. // Old versions of Freedoom (before 2014-09) did not have technically // valid DEHACKED lumps, so ignore errors and just continue if this // is an old IWAD. if (W_CheckNumForName("FREEDOOM") >= 0) { DEH_LoadLumpByName("DEHACKED", false, true); } // Doom 3: BFG Edition includes modified versions of the classic // IWADs which can be identified by an additional DMENUPIC lump. // Furthermore, the M_GDHIGH lumps have been modified in a way that // makes them incompatible to Vanilla Doom and the modified version // of doom2.wad is missing the TITLEPIC lump. // We specifically check for DMENUPIC here, before PWADs have been // loaded which could probably include a lump of that name. if (W_CheckNumForName("dmenupic") >= 0) { printf("BFG Edition: Using workarounds as needed.\n"); bfgedition = true; // BFG Edition changes the names of the secret levels to // censor the Wolfenstein references. It also has an extra // secret level (MAP33). In Vanilla Doom (meaning the DOS // version), MAP33 overflows into the Plutonia level names // array, so HUSTR_33 is actually PHUSTR_1. DEH_AddStringReplacement(HUSTR_31, "level 31: idkfa"); DEH_AddStringReplacement(HUSTR_32, "level 32: keen"); DEH_AddStringReplacement(PHUSTR_1, "level 33: betray"); } modifiedgame = W_ParseCommandLine(); // Debug: // W_PrintDirectory(); //! // @arg <demo> // @category demo // @vanilla // // Play back the demo named demo.lmp. // p = M_CheckParmWithArgs ("-playdemo", 1); if (!p) { //! // @arg <demo> // @category demo // @vanilla // // Play back the demo named demo.lmp, determining the framerate // of the screen. // p = M_CheckParmWithArgs("-timedemo", 1); } if (p) { // With Vanilla you have to specify the file without extension, // but make that optional. if (M_StringEndsWith(myargv[p + 1], ".lmp")) { M_StringCopy(file, myargv[p + 1], sizeof(file)); } else { DEH_snprintf(file, sizeof(file), "%s.lmp", myargv[p+1]); } if (D_AddFile(file)) { M_StringCopy(demolumpname, lumpinfo[numlumps - 1].name, sizeof(demolumpname)); } else { // If file failed to load, still continue trying to play // the demo in the same way as Vanilla Doom. This makes // tricks like "-playdemo demo1" possible. M_StringCopy(demolumpname, myargv[p + 1], sizeof(demolumpname)); } printf("Playing demo %s.\n", file); } I_AtExit((atexit_func_t) G_CheckDemoStatus, true); // Generate the WAD hash table. Speed things up a bit. W_GenerateHashTable(); D_IdentifyVersion(); InitGameVersion(); LoadChexDeh(); LoadHacxDeh(); D_SetGameDescription(); savegamedir = M_GetSaveGameDir(D_SaveGameIWADName(gamemission)); // Check for -file in shareware if (modifiedgame) { // These are the lumps that will be checked in IWAD, // if any one is not present, execution will be aborted. char name[23][8]= { "e2m1","e2m2","e2m3","e2m4","e2m5","e2m6","e2m7","e2m8","e2m9", "e3m1","e3m3","e3m3","e3m4","e3m5","e3m6","e3m7","e3m8","e3m9", "dphoof","bfgga0","heada1","cybra1","spida1d1" }; int i; if ( gamemode == shareware) I_Error(DEH_String("\nYou cannot -file with the shareware " "version. Register!")); // Check for fake IWAD with right name, // but w/o all the lumps of the registered version. if (gamemode == registered) for (i = 0;i < 23; i++) if (W_CheckNumForName(name[i])<0) I_Error(DEH_String("\nThis is not the registered version.")); } if (W_CheckNumForName("SS_START") >= 0 || W_CheckNumForName("FF_END") >= 0) { I_PrintDivider(); printf(" WARNING: The loaded WAD file contains modified sprites or\n" " floor textures. You may want to use the '-merge' command\n" " line option instead of '-file'.\n"); } I_PrintStartupBanner(gamedescription); PrintDehackedBanners(); // Freedoom's IWADs are Boom-compatible, which means they usually // don't work in Vanilla (though FreeDM is okay). Show a warning // message and give a link to the website. if (W_CheckNumForName("FREEDOOM") >= 0 && W_CheckNumForName("FREEDM") < 0) { printf(" WARNING: You are playing using one of the Freedoom IWAD\n" " files, which might not work in this port. See this page\n" " for more information on how to play using Freedoom:\n" " http://www.chocolate-doom.org/wiki/index.php/Freedoom\n"); I_PrintDivider(); } // Load DEHACKED lumps from WAD files - but only if we give the right // command line parameter. //! // @category mod // // Load Dehacked patches from DEHACKED lumps contained in one of the // loaded PWAD files. // if (M_ParmExists("-dehlump")) { int i, loaded = 0; for (i = 0; i < numlumps; ++i) { if (!strncmp(lumpinfo[i].name, "DEHACKED", 8)) { DEH_LoadLump(i, false, false); loaded++; } } printf("Loaded %i DEHACKED lumps from WAD files.\n", loaded); } DEH_printf("I_Init: Setting up machine state.\n"); I_CheckIsScreensaver(); I_InitTimer(); I_InitJoystick(); I_InitSound(true); I_InitMusic(); #ifdef FEATURE_MULTIPLAYER printf ("NET_Init: Init network subsystem.\n"); NET_Init (); #endif // Initial netgame startup. Connect to server etc. D_ConnectNetGame(); // get skill / episode / map from parms startskill = sk_medium; startepisode = 1; startmap = 1; autostart = false; //! // @arg <skill> // @vanilla // // Set the game skill, 1-5 (1: easiest, 5: hardest). A skill of // 0 disables all monsters. // p = M_CheckParmWithArgs("-skill", 1); if (p) { startskill = myargv[p+1][0]-'1'; autostart = true; } //! // @arg <n> // @vanilla // // Start playing on episode n (1-4) // p = M_CheckParmWithArgs("-episode", 1); if (p) { startepisode = myargv[p+1][0]-'0'; startmap = 1; autostart = true; } timelimit = 0; //! // @arg <n> // @category net // @vanilla // // For multiplayer games: exit each level after n minutes. // p = M_CheckParmWithArgs("-timer", 1); if (p) { timelimit = atoi(myargv[p+1]); } //! // @category net // @vanilla // // Austin Virtual Gaming: end levels after 20 minutes. // p = M_CheckParm ("-avg"); if (p) { timelimit = 20; } //! // @arg [<x> <y> | <xy>] // @vanilla // // Start a game immediately, warping to ExMy (Doom 1) or MAPxy // (Doom 2) // p = M_CheckParmWithArgs("-warp", 1); if (p) { if (gamemode == commercial) startmap = atoi (myargv[p+1]); else { startepisode = myargv[p+1][0]-'0'; if (p + 2 < myargc) { startmap = myargv[p+2][0]-'0'; } else { startmap = 1; } } autostart = true; } // Undocumented: // Invoked by setup to test the controls. p = M_CheckParm("-testcontrols"); if (p > 0) { startepisode = 1; startmap = 1; autostart = true; testcontrols = true; } // Check for load game parameter // We do this here and save the slot number, so that the network code // can override it or send the load slot to other players. //! // @arg <s> // @vanilla // // Load the game in slot s. // p = M_CheckParmWithArgs("-loadgame", 1); if (p) { startloadgame = atoi(myargv[p+1]); } else { // Not loading a game startloadgame = -1; } DEH_printf("M_Init: Init miscellaneous info.\n"); M_Init (); DEH_printf("R_Init: Init DOOM refresh daemon - "); R_Init (); DEH_printf("\nP_Init: Init Playloop state.\n"); P_Init (); DEH_printf("S_Init: Setting up sound.\n"); S_Init (sfxVolume * 8, musicVolume * 8); DEH_printf("D_CheckNetGame: Checking network game status.\n"); D_CheckNetGame (); PrintGameVersion(); DEH_printf("HU_Init: Setting up heads up display.\n"); HU_Init (); DEH_printf("ST_Init: Init status bar.\n"); ST_Init (); // If Doom II without a MAP01 lump, this is a store demo. // Moved this here so that MAP01 isn't constantly looked up // in the main loop. if (gamemode == commercial && W_CheckNumForName("map01") < 0) storedemo = true; if (M_CheckParmWithArgs("-statdump", 1)) { I_AtExit(StatDump, true); DEH_printf("External statistics registered.\n"); } //! // @arg <x> // @category demo // @vanilla // // Record a demo named x.lmp. // p = M_CheckParmWithArgs("-record", 1); if (p) { G_RecordDemo (myargv[p+1]); autostart = true; } p = M_CheckParmWithArgs("-playdemo", 1); if (p) { singledemo = true; // quit after one demo G_DeferedPlayDemo (demolumpname); D_DoomLoop (); // never returns } p = M_CheckParmWithArgs("-timedemo", 1); if (p) { G_TimeDemo (demolumpname); D_DoomLoop (); // never returns } if (startloadgame >= 0) { M_StringCopy(file, P_SaveGameFile(startloadgame), sizeof(file)); G_LoadGame(file); } if (gameaction != ga_loadgame ) { if (autostart || netgame) G_InitNew (startskill, startepisode, startmap); else D_StartTitle (); // start up intro loop } D_DoomLoop (); // never returns }