summaryrefslogtreecommitdiff
path: root/src/doom/d_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/doom/d_main.c')
-rw-r--r--src/doom/d_main.c1624
1 files changed, 1624 insertions, 0 deletions
diff --git a/src/doom/d_main.c b/src/doom/d_main.c
new file mode 100644
index 00000000..0746a579
--- /dev/null
+++ b/src/doom/d_main.c
@@ -0,0 +1,1624 @@
+// Emacs style mode select -*- C++ -*-
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 Simon Howard
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// DESCRIPTION:
+// DOOM main program (D_DoomMain) and game loop (D_DoomLoop),
+// plus functions to determine game mode (shareware, registered),
+// parse command line parameters, configure game parameters (turbo),
+// and call the startup functions.
+//
+//-----------------------------------------------------------------------------
+
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+#include "deh_main.h"
+#include "doomdef.h"
+#include "doomstat.h"
+
+#include "dstrings.h"
+#include "doomfeatures.h"
+#include "sounds.h"
+
+#include "d_iwad.h"
+
+#include "z_zone.h"
+#include "w_main.h"
+#include "w_wad.h"
+#include "s_sound.h"
+#include "v_video.h"
+
+#include "f_finale.h"
+#include "f_wipe.h"
+
+#include "m_argv.h"
+#include "m_config.h"
+#include "m_controls.h"
+#include "m_misc.h"
+#include "m_menu.h"
+#include "p_saveg.h"
+
+#include "i_endoom.h"
+#include "i_joystick.h"
+#include "i_system.h"
+#include "i_timer.h"
+#include "i_video.h"
+
+#include "g_game.h"
+
+#include "hu_stuff.h"
+#include "wi_stuff.h"
+#include "st_stuff.h"
+#include "am_map.h"
+#include "net_client.h"
+#include "net_dedicated.h"
+#include "net_query.h"
+
+#include "p_setup.h"
+#include "r_local.h"
+#include "statdump.h"
+
+
+#include "d_main.h"
+
+//
+// D-DoomLoop()
+// Not a globally visible function,
+// just included for source reference,
+// called by D_DoomMain, never exits.
+// Manages timing and IO,
+// calls all ?_Responder, ?_Ticker, and ?_Drawer,
+// calls I_GetTime, I_StartFrame, and I_StartTic
+//
+void D_DoomLoop (void);
+
+// Location where savegames are stored
+
+char * savegamedir;
+
+// location of IWAD and WAD files
+
+char * iwadfile;
+
+
+boolean devparm; // started game with -devparm
+boolean nomonsters; // checkparm of -nomonsters
+boolean respawnparm; // checkparm of -respawn
+boolean fastparm; // checkparm of -fast
+
+//extern int soundVolume;
+//extern int sfxVolume;
+//extern int musicVolume;
+
+extern boolean inhelpscreens;
+
+skill_t startskill;
+int startepisode;
+int startmap;
+boolean autostart;
+int startloadgame;
+
+boolean advancedemo;
+
+// Store demo, do not accept any inputs
+boolean storedemo;
+
+// "BFG Edition" version of doom2.wad does not include TITLEPIC.
+boolean bfgedition;
+
+char wadfile[1024]; // primary wad file
+char mapdir[1024]; // directory of development maps
+
+int show_endoom = 1;
+
+
+void D_CheckNetGame (void);
+
+
+//
+// D_ProcessEvents
+// Send all the events of the given timestamp down the responder chain
+//
+void D_ProcessEvents (void)
+{
+ event_t* ev;
+
+ // IF STORE DEMO, DO NOT ACCEPT INPUT
+ if (storedemo)
+ return;
+
+ while ((ev = D_PopEvent()) != NULL)
+ {
+ if (M_Responder (ev))
+ continue; // menu ate the event
+ G_Responder (ev);
+ }
+}
+
+
+
+
+//
+// D_Display
+// draw current display, possibly wiping it from the previous
+//
+
+// wipegamestate can be set to -1 to force a wipe on the next draw
+gamestate_t wipegamestate = GS_DEMOSCREEN;
+extern boolean setsizeneeded;
+extern int showMessages;
+void R_ExecuteSetViewSize (void);
+
+void D_Display (void)
+{
+ static boolean viewactivestate = false;
+ static boolean menuactivestate = false;
+ static boolean inhelpscreensstate = false;
+ static boolean fullscreen = false;
+ static gamestate_t oldgamestate = -1;
+ static int borderdrawcount;
+ int nowtime;
+ int tics;
+ int wipestart;
+ int y;
+ boolean done;
+ boolean wipe;
+ boolean redrawsbar;
+
+ if (nodrawers)
+ return; // for comparative timing / profiling
+
+ redrawsbar = false;
+
+ // change the view size if needed
+ if (setsizeneeded)
+ {
+ R_ExecuteSetViewSize ();
+ oldgamestate = -1; // force background redraw
+ borderdrawcount = 3;
+ }
+
+ // save the current screen if about to wipe
+ if (gamestate != wipegamestate)
+ {
+ wipe = true;
+ wipe_StartScreen(0, 0, SCREENWIDTH, SCREENHEIGHT);
+ }
+ else
+ wipe = false;
+
+ if (gamestate == GS_LEVEL && gametic)
+ HU_Erase();
+
+ // do buffered drawing
+ switch (gamestate)
+ {
+ case GS_LEVEL:
+ if (!gametic)
+ break;
+ if (automapactive)
+ AM_Drawer ();
+ if (wipe || (viewheight != 200 && fullscreen) )
+ redrawsbar = true;
+ if (inhelpscreensstate && !inhelpscreens)
+ redrawsbar = true; // just put away the help screen
+ ST_Drawer (viewheight == 200, redrawsbar );
+ fullscreen = viewheight == 200;
+ break;
+
+ case GS_INTERMISSION:
+ WI_Drawer ();
+ break;
+
+ case GS_FINALE:
+ F_Drawer ();
+ break;
+
+ case GS_DEMOSCREEN:
+ D_PageDrawer ();
+ break;
+ }
+
+ // draw buffered stuff to screen
+ I_UpdateNoBlit ();
+
+ // draw the view directly
+ if (gamestate == GS_LEVEL && !automapactive && gametic)
+ R_RenderPlayerView (&players[displayplayer]);
+
+ if (gamestate == GS_LEVEL && gametic)
+ HU_Drawer ();
+
+ // clean up border stuff
+ if (gamestate != oldgamestate && gamestate != GS_LEVEL)
+ I_SetPalette (W_CacheLumpName (DEH_String("PLAYPAL"),PU_CACHE));
+
+ // see if the border needs to be initially drawn
+ if (gamestate == GS_LEVEL && oldgamestate != GS_LEVEL)
+ {
+ viewactivestate = false; // view was not active
+ R_FillBackScreen (); // draw the pattern into the back screen
+ }
+
+ // see if the border needs to be updated to the screen
+ if (gamestate == GS_LEVEL && !automapactive && scaledviewwidth != 320)
+ {
+ if (menuactive || menuactivestate || !viewactivestate)
+ borderdrawcount = 3;
+ if (borderdrawcount)
+ {
+ R_DrawViewBorder (); // erase old menu stuff
+ borderdrawcount--;
+ }
+
+ }
+
+ if (testcontrols)
+ {
+ // Box showing current mouse speed
+
+ V_DrawMouseSpeedBox(testcontrols_mousespeed);
+ }
+
+ menuactivestate = menuactive;
+ viewactivestate = viewactive;
+ inhelpscreensstate = inhelpscreens;
+ oldgamestate = wipegamestate = gamestate;
+
+ // draw pause pic
+ if (paused)
+ {
+ if (automapactive)
+ y = 4;
+ else
+ y = viewwindowy+4;
+ V_DrawPatchDirect(viewwindowx + (scaledviewwidth - 68) / 2, y,
+ W_CacheLumpName (DEH_String("M_PAUSE"), PU_CACHE));
+ }
+
+
+ // menus go directly to the screen
+ M_Drawer (); // menu is drawn even on top of everything
+ NetUpdate (); // send out any new accumulation
+
+
+ // normal update
+ if (!wipe)
+ {
+ I_FinishUpdate (); // page flip or blit buffer
+ return;
+ }
+
+ // wipe update
+ wipe_EndScreen(0, 0, SCREENWIDTH, SCREENHEIGHT);
+
+ wipestart = I_GetTime () - 1;
+
+ do
+ {
+ do
+ {
+ nowtime = I_GetTime ();
+ tics = nowtime - wipestart;
+ I_Sleep(1);
+ } while (tics <= 0);
+
+ wipestart = nowtime;
+ done = wipe_ScreenWipe(wipe_Melt
+ , 0, 0, SCREENWIDTH, SCREENHEIGHT, tics);
+ I_UpdateNoBlit ();
+ M_Drawer (); // menu is drawn even on top of wipes
+ I_FinishUpdate (); // page flip or blit buffer
+ } while (!done);
+}
+
+//
+// Add configuration file variable bindings.
+//
+
+void D_BindVariables(void)
+{
+ int i;
+
+ M_ApplyPlatformDefaults();
+
+ I_BindVideoVariables();
+ I_BindJoystickVariables();
+ I_BindSoundVariables();
+
+ M_BindBaseControls();
+ M_BindWeaponControls();
+ M_BindMapControls();
+ M_BindMenuControls();
+ M_BindChatControls(MAXPLAYERS);
+
+ key_multi_msgplayer[0] = HUSTR_KEYGREEN;
+ key_multi_msgplayer[1] = HUSTR_KEYINDIGO;
+ key_multi_msgplayer[2] = HUSTR_KEYBROWN;
+ key_multi_msgplayer[3] = HUSTR_KEYRED;
+
+#ifdef FEATURE_MULTIPLAYER
+ NET_BindVariables();
+#endif
+
+ M_BindVariable("mouse_sensitivity", &mouseSensitivity);
+ M_BindVariable("sfx_volume", &sfxVolume);
+ M_BindVariable("music_volume", &musicVolume);
+ M_BindVariable("show_messages", &showMessages);
+ M_BindVariable("screenblocks", &screenblocks);
+ M_BindVariable("detaillevel", &detailLevel);
+ M_BindVariable("snd_channels", &snd_channels);
+ M_BindVariable("vanilla_savegame_limit", &vanilla_savegame_limit);
+ M_BindVariable("vanilla_demo_limit", &vanilla_demo_limit);
+ M_BindVariable("show_endoom", &show_endoom);
+
+ // Multiplayer chat macros
+
+ for (i=0; i<10; ++i)
+ {
+ char buf[12];
+
+ sprintf(buf, "chatmacro%i", i);
+ M_BindVariable(buf, &chat_macros[i]);
+ }
+}
+
+//
+// D_GrabMouseCallback
+//
+// Called to determine whether to grab the mouse pointer
+//
+
+boolean D_GrabMouseCallback(void)
+{
+ // Drone players don't need mouse focus
+
+ if (drone)
+ return false;
+
+ // when menu is active or game is paused, release the mouse
+
+ if (menuactive || paused)
+ return false;
+
+ // only grab mouse when playing levels (but not demos)
+
+ return (gamestate == GS_LEVEL) && !demoplayback;
+}
+
+//
+// D_DoomLoop
+//
+void D_DoomLoop (void)
+{
+ if (demorecording)
+ G_BeginRecording ();
+
+ TryRunTics();
+
+ I_SetWindowTitle(gamedescription);
+ I_GraphicsCheckCommandLine();
+ I_InitGraphics();
+ I_EnableLoadingDisk();
+ I_SetGrabMouseCallback(D_GrabMouseCallback);
+
+ V_RestoreBuffer();
+ R_ExecuteSetViewSize();
+
+ D_StartGameLoop();
+
+ if (testcontrols)
+ {
+ wipegamestate = gamestate;
+ }
+
+ while (1)
+ {
+ // frame syncronous IO operations
+ I_StartFrame ();
+
+ TryRunTics (); // will run at least one tic
+
+ S_UpdateSounds (players[consoleplayer].mo);// move positional sounds
+
+ // Update display, next frame, with current state.
+ if (screenvisible)
+ D_Display ();
+ }
+}
+
+
+
+//
+// DEMO LOOP
+//
+int demosequence;
+int pagetic;
+char *pagename;
+
+
+//
+// D_PageTicker
+// Handles timing for warped projection
+//
+void D_PageTicker (void)
+{
+ if (--pagetic < 0)
+ D_AdvanceDemo ();
+}
+
+
+
+//
+// D_PageDrawer
+//
+void D_PageDrawer (void)
+{
+ V_DrawPatch (0, 0, W_CacheLumpName(pagename, PU_CACHE));
+}
+
+
+//
+// D_AdvanceDemo
+// Called after each demo or intro demosequence finishes
+//
+void D_AdvanceDemo (void)
+{
+ advancedemo = true;
+}
+
+
+//
+// This cycles through the demo sequences.
+// FIXME - version dependend demo numbers?
+//
+void D_DoAdvanceDemo (void)
+{
+ players[consoleplayer].playerstate = PST_LIVE; // not reborn
+ advancedemo = false;
+ usergame = false; // no save / end game here
+ paused = false;
+ gameaction = ga_nothing;
+
+ // The Ultimate Doom executable changed the demo sequence to add
+ // a DEMO4 demo. Final Doom was based on Ultimate, so also
+ // includes this change; however, the Final Doom IWADs do not
+ // include a DEMO4 lump, so the game bombs out with an error
+ // when it reaches this point in the demo sequence.
+
+ // However! There is an alternate version of Final Doom that
+ // includes a fixed executable.
+
+ if (gameversion == exe_ultimate || gameversion == exe_final)
+ demosequence = (demosequence+1)%7;
+ else
+ demosequence = (demosequence+1)%6;
+
+ switch (demosequence)
+ {
+ case 0:
+ if ( gamemode == commercial )
+ pagetic = TICRATE * 11;
+ else
+ pagetic = 170;
+ gamestate = GS_DEMOSCREEN;
+ pagename = DEH_String("TITLEPIC");
+ if ( gamemode == commercial )
+ S_StartMusic(mus_dm2ttl);
+ else
+ S_StartMusic (mus_intro);
+ break;
+ case 1:
+ G_DeferedPlayDemo(DEH_String("demo1"));
+ break;
+ case 2:
+ pagetic = 200;
+ gamestate = GS_DEMOSCREEN;
+ pagename = DEH_String("CREDIT");
+ break;
+ case 3:
+ G_DeferedPlayDemo(DEH_String("demo2"));
+ break;
+ case 4:
+ gamestate = GS_DEMOSCREEN;
+ if ( gamemode == commercial)
+ {
+ pagetic = TICRATE * 11;
+ pagename = DEH_String("TITLEPIC");
+ S_StartMusic(mus_dm2ttl);
+ }
+ else
+ {
+ pagetic = 200;
+
+ if ( gamemode == retail )
+ pagename = DEH_String("CREDIT");
+ else
+ pagename = DEH_String("HELP2");
+ }
+ break;
+ case 5:
+ G_DeferedPlayDemo(DEH_String("demo3"));
+ break;
+ // THE DEFINITIVE DOOM Special Edition demo
+ case 6:
+ G_DeferedPlayDemo(DEH_String("demo4"));
+ break;
+ }
+
+ // The Doom 3: BFG Edition version of doom2.wad does not have a
+ // TITLETPIC lump. Use INTERPIC instead as a workaround.
+ if (bfgedition && !strcasecmp(pagename, "TITLEPIC"))
+ {
+ pagename = "INTERPIC";
+ }
+}
+
+
+
+//
+// D_StartTitle
+//
+void D_StartTitle (void)
+{
+ gameaction = ga_nothing;
+ demosequence = -1;
+ D_AdvanceDemo ();
+}
+
+// Strings for dehacked replacements of the startup banner
+//
+// These are from the original source: some of them are perhaps
+// not used in any dehacked patches
+
+static char *banners[] =
+{
+ // doom2.wad
+ " "
+ "DOOM 2: Hell on Earth v%i.%i"
+ " ",
+ // doom1.wad
+ " "
+ "DOOM Shareware Startup v%i.%i"
+ " ",
+ // doom.wad
+ " "
+ "DOOM Registered Startup v%i.%i"
+ " ",
+ // Registered DOOM uses this
+ " "
+ "DOOM System Startup v%i.%i"
+ " ",
+ // doom.wad (Ultimate DOOM)
+ " "
+ "The Ultimate DOOM Startup v%i.%i"
+ " ",
+ // tnt.wad
+ " "
+ "DOOM 2: TNT - Evilution v%i.%i"
+ " ",
+ // plutonia.wad
+ " "
+ "DOOM 2: Plutonia Experiment v%i.%i"
+ " ",
+};
+
+//
+// Get game name: if the startup banner has been replaced, use that.
+// Otherwise, use the name given
+//
+
+static char *GetGameName(char *gamename)
+{
+ size_t i;
+ char *deh_sub;
+
+ for (i=0; i<arrlen(banners); ++i)
+ {
+ // Has the banner been replaced?
+
+ deh_sub = DEH_String(banners[i]);
+
+ if (deh_sub != banners[i])
+ {
+ // Has been replaced
+ // We need to expand via printf to include the Doom version
+ // number
+ // We also need to cut off spaces to get the basic name
+
+ gamename = Z_Malloc(strlen(deh_sub) + 10, PU_STATIC, 0);
+ sprintf(gamename, deh_sub, DOOM_VERSION / 100, DOOM_VERSION % 100);
+
+ while (gamename[0] != '\0' && isspace(gamename[0]))
+ strcpy(gamename, gamename+1);
+
+ while (gamename[0] != '\0' && isspace(gamename[strlen(gamename)-1]))
+ gamename[strlen(gamename) - 1] = '\0';
+
+ return gamename;
+ }
+ }
+
+ return gamename;
+}
+
+//
+// Find out what version of Doom is playing.
+//
+
+void D_IdentifyVersion(void)
+{
+ // gamemission is set up by the D_FindIWAD function. But if
+ // we specify '-iwad', we have to identify using
+ // IdentifyIWADByName. However, if the iwad does not match
+ // any known IWAD name, we may have a dilemma. Try to
+ // identify by its contents.
+
+ if (gamemission == none)
+ {
+ unsigned int i;
+
+ for (i=0; i<numlumps; ++i)
+ {
+ if (!strncasecmp(lumpinfo[i].name, "MAP01", 8))
+ {
+ gamemission = doom2;
+ break;
+ }
+ else if (!strncasecmp(lumpinfo[i].name, "E1M1", 8))
+ {
+ gamemission = doom;
+ break;
+ }
+ }
+
+ if (gamemission == none)
+ {
+ // Still no idea. I don't think this is going to work.
+
+ I_Error("Unknown or invalid IWAD file.");
+ }
+ }
+
+ // Make sure gamemode is set up correctly
+
+ if (logical_gamemission == doom)
+ {
+ // Doom 1. But which version?
+
+ if (W_CheckNumForName("E4M1") > 0)
+ {
+ // Ultimate Doom
+
+ gamemode = retail;
+ }
+ else if (W_CheckNumForName("E3M1") > 0)
+ {
+ gamemode = registered;
+ }
+ else
+ {
+ gamemode = shareware;
+ }
+ }
+ else
+ {
+ // Doom 2 of some kind.
+
+ gamemode = commercial;
+ }
+}
+
+// Set the gamedescription string
+
+void D_SetGameDescription(void)
+{
+ gamedescription = "Unknown";
+
+ if (logical_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 (logical_gamemission == doom2)
+ gamedescription = GetGameName("DOOM 2: Hell on Earth");
+ else if (logical_gamemission == pack_plut)
+ gamedescription = GetGameName("DOOM 2: Plutonia Experiment");
+ else if (logical_gamemission == pack_tnt)
+ gamedescription = GetGameName("DOOM 2: TNT - Evilution");
+ }
+}
+
+// print title for every printed line
+char title[128];
+
+static boolean D_AddFile(char *filename)
+{
+ wad_file_t *handle;
+
+ printf(" adding %s\n", filename);
+ handle = W_AddFile(filename);
+
+ return handle != NULL;
+}
+
+// Copyright message banners
+// Some dehacked mods replace these. These are only displayed if they are
+// replaced by dehacked.
+
+static char *copyright_banners[] =
+{
+ "===========================================================================\n"
+ "ATTENTION: This version of DOOM has been modified. If you would like to\n"
+ "get a copy of the original game, call 1-800-IDGAMES or see the readme file.\n"
+ " You will not receive technical support for modified games.\n"
+ " press enter to continue\n"
+ "===========================================================================\n",
+
+ "===========================================================================\n"
+ " Commercial product - do not distribute!\n"
+ " Please report software piracy to the SPA: 1-800-388-PIR8\n"
+ "===========================================================================\n",
+
+ "===========================================================================\n"
+ " Shareware!\n"
+ "===========================================================================\n"
+};
+
+// Prints a message only if it has been modified by dehacked.
+
+void PrintDehackedBanners(void)
+{
+ size_t i;
+
+ for (i=0; i<arrlen(copyright_banners); ++i)
+ {
+ char *deh_s;
+
+ deh_s = DEH_String(copyright_banners[i]);
+
+ if (deh_s != copyright_banners[i])
+ {
+ printf("%s", deh_s);
+
+ // Make sure the modified banner always ends in a newline character.
+ // If it doesn't, add a newline. This fixes av.wad.
+
+ if (deh_s[strlen(deh_s) - 1] != '\n')
+ {
+ printf("\n");
+ }
+ }
+ }
+}
+
+static struct
+{
+ char *description;
+ char *cmdline;
+ GameVersion_t version;
+} gameversions[] = {
+ {"Doom 1.9", "1.9", exe_doom_1_9},
+ {"Hacx", "hacx", exe_hacx},
+ {"Ultimate Doom", "ultimate", exe_ultimate},
+ {"Final Doom", "final", exe_final},
+ {"Final Doom (alt)", "final2", exe_final2},
+ {"Chex Quest", "chex", exe_chex},
+ { NULL, NULL, 0},
+};
+
+// Initialize the game version
+
+static void InitGameVersion(void)
+{
+ int p;
+ int i;
+
+ //!
+ // @arg <version>
+ // @category compat
+ //
+ // Emulate a specific version of Doom. Valid values are "1.9",
+ // "ultimate", "final", "final2", "hacx" and "chex".
+ //
+
+ p = M_CheckParmWithArgs("-gameversion", 1);
+
+ if (p)
+ {
+ 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 (gamemission == pack_chex)
+ {
+ // chex.exe - identified by iwad filename
+
+ gameversion = exe_chex;
+ }
+ else if (gamemission == pack_hacx)
+ {
+ // hacx.exe: identified by iwad filename
+
+ gameversion = exe_hacx;
+ }
+ else 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
+ // Defaults to emulating the first Final Doom executable,
+ // which has the crash in the demo loop; however, having
+ // this as the default should mean that it plays back
+ // most demos correctly.
+
+ gameversion = exe_final;
+ }
+ }
+ }
+
+ // 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 == pack_tnt || gamemission == pack_plut))
+ {
+ gamemission = doom2;
+ }
+}
+
+void PrintGameVersion(void)
+{
+ int i;
+
+ for (i=0; gameversions[i].description != NULL; ++i)
+ {
+ if (gameversions[i].version == gameversion)
+ {
+ printf("Emulating the behavior of the "
+ "'%s' executable.\n", gameversions[i].description);
+ break;
+ }
+ }
+}
+
+// Load the Chex Quest dehacked file, if we are in Chex mode.
+
+static void LoadChexDeh(void)
+{
+ char *chex_deh = NULL;
+ char *sep;
+
+ if (gameversion == exe_chex)
+ {
+ // Look for chex.deh in the same directory as the IWAD file.
+
+ sep = strrchr(iwadfile, DIR_SEPARATOR);
+
+ if (sep != NULL)
+ {
+ chex_deh = malloc(strlen(iwadfile) + 9);
+ strcpy(chex_deh, iwadfile);
+ chex_deh[sep - iwadfile + 1] = '\0';
+ strcat(chex_deh, "chex.deh");
+ }
+ else
+ {
+ chex_deh = strdup("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.");
+ }
+ }
+}
+
+// Function called at exit to display the ENDOOM screen
+
+static void D_Endoom(void)
+{
+ byte *endoom;
+
+ // Don't show ENDOOM if we have it disabled, or we're running
+ // in screensaver or control test mode.
+
+ if (!show_endoom || screensaver_mode || M_CheckParm("-testcontrols") > 0)
+ {
+ return;
+ }
+
+ endoom = W_CacheLumpName(DEH_String("ENDOOM"), PU_STATIC);
+
+ I_Endoom(endoom);
+}
+
+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.");
+ }
+ }
+}
+
+//
+// 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
+
+ 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;
+
+ //!
+ // @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);
+
+ DEH_printf("W_Init: Init WADfiles.\n");
+ D_AddFile(iwadfile);
+ 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)
+ {
+ if (!strcasecmp(myargv[p+1] + strlen(myargv[p+1]) - 4, ".lmp"))
+ {
+ strcpy(file, myargv[p + 1]);
+ }
+ else
+ {
+ sprintf (file,"%s.lmp", myargv[p+1]);
+ }
+
+ if (D_AddFile (file))
+ {
+ strncpy(demolumpname, lumpinfo[numlumps - 1].name, 8);
+ demolumpname[8] = '\0';
+
+ printf("Playing demo %s.\n", file);
+ }
+ 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.
+
+ strncpy(demolumpname, myargv[p + 1], 8);
+ demolumpname[8] = '\0';
+ }
+
+ }
+
+ 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."));
+ }
+
+ // 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;
+ }
+
+ 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();
+
+ 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("I_Init: Setting up machine state.\n");
+ I_CheckIsScreensaver();
+ I_InitTimer();
+ I_InitJoystick();
+
+#ifdef FEATURE_MULTIPLAYER
+ printf ("NET_Init: Init network subsystem.\n");
+ NET_Init ();
+#endif
+
+ 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;
+
+ // Doom 3: BFG Edition includes modified versions of the classic
+ // IWADs. The modified version of doom2.wad does not have a
+ // TITLEPIC lump, so detect this so we can apply a workaround.
+ // We specifically check for TITLEPIC here, after PWADs have been
+ // loaded - this means that we can play with the BFG Edition with
+ // PWADs that change the title screen and still see the modified
+ // titles.
+
+ if (gamemode == commercial && W_CheckNumForName("titlepic") < 0)
+ {
+ printf("BFG Edition: Using INTERPIC instead of TITLEPIC.\n");
+ bfgedition = 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)
+ {
+ strcpy(file, P_SaveGameFile(startloadgame));
+ 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
+}
+