ref: 7d7650dffc20c3853eb1acd551c9a02f73751ae3
dir: /sys/src/games/doom/g_game.c/
// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id:$ // // Copyright (C) 1993-1996 by id Software, Inc. // // This source is available for distribution and/or modification // only under the terms of the DOOM Source Code License as // published by id Software. All rights reserved. // // The source is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License // for more details. // // $Log:$ // // DESCRIPTION: none // //----------------------------------------------------------------------------- static const char rcsid[] = "$Id: g_game.c,v 1.8 1997/02/03 22:45:09 b1 Exp $"; #include "doomdef.h" #include "doomstat.h" #include "z_zone.h" #include "f_finale.h" #include "m_argv.h" #include "m_misc.h" #include "m_menu.h" #include "m_random.h" #include "i_system.h" #include "p_setup.h" #include "p_saveg.h" #include "p_tick.h" #include "d_main.h" #include "wi_stuff.h" #include "hu_stuff.h" #include "st_stuff.h" #include "am_map.h" // Needs access to LFB. #include "v_video.h" #include "w_wad.h" #include "p_local.h" #include "s_sound.h" // Data. #include "dstrings.h" #include "sounds.h" // SKY handling - still the wrong place. #include "r_data.h" #include "r_sky.h" #include "g_game.h" #define SAVEGAMESIZE 0x2c000 #define SAVESTRINGSIZE 24 boolean G_CheckDemoStatus (void); void G_ReadDemoTiccmd (ticcmd_t* cmd); void G_WriteDemoTiccmd (ticcmd_t* cmd); void G_PlayerReborn (int player); void G_InitNew (skill_t skill, int episode, int map); void G_DoReborn (int playernum); void G_DoLoadLevel (void); void G_DoNewGame (void); void G_DoLoadGame (void); void G_DoPlayDemo (void); void G_DoCompleted (void); void G_DoVictory (void); void G_DoWorldDone (void); void G_DoSaveGame (void); gameaction_t gameaction; gamestate_t gamestate; skill_t gameskill; boolean respawnmonsters; int gameepisode; int gamemap; boolean paused; boolean sendpause; // send a pause event next tic boolean sendsave; // send a save event next tic boolean usergame; // ok to save / end game boolean timingdemo; // if true, exit with report on completion boolean nodrawers; // for comparative timing purposes boolean noblit; // for comparative timing purposes int starttime; // for comparative timing purposes boolean viewactive; boolean deathmatch; // only if started as net death boolean netgame; // only true if packets are broadcast boolean playeringame[MAXPLAYERS]; player_t players[MAXPLAYERS]; int consoleplayer; // player taking events and displaying int displayplayer; // view being displayed int gametic; int levelstarttic; // gametic at level start int totalkills, totalitems, totalsecret; // for intermission char demoname[32]; boolean demorecording; boolean demoplayback; boolean netdemo; byte* demobuffer; byte* demo_p; byte* demoend; boolean singledemo; // quit after playing a demo from cmdline boolean precache = true; // if true, load all graphics at start wbstartstruct_t wminfo; // parms for world map / intermission short consistancy[MAXPLAYERS][BACKUPTICS]; byte* savebuffer; // // controls (have defaults) // int key_right; int key_left; int key_up; int key_down; int key_strafeleft; int key_straferight; int key_fire; int key_use; int key_strafe; int key_speed; int mousebfire; int mousebstrafe; int mousebforward; int joybfire; int joybstrafe; int joybuse; int joybspeed; #define MAXPLMOVE (forwardmove[1]) #define TURBOTHRESHOLD 0x32 fixed_t forwardmove[2] = {0x19, 0x32}; fixed_t sidemove[2] = {0x18, 0x28}; fixed_t angleturn[3] = {640, 1280, 320}; // + slow turn #define SLOWTURNTICS 6 #define NUMKEYS 256 boolean gamekeydown[NUMKEYS]; int turnheld; // for accelerative turning boolean mousearray[4]; boolean* mousebuttons = &mousearray[1]; // allow [-1] // mouse values are used once int mousex; int mousey; int dclicktime; int dclickstate; int dclicks; int dclicktime2; int dclickstate2; int dclicks2; // joystick values are repeated int joyxmove; int joyymove; boolean joyarray[5]; boolean* joybuttons = &joyarray[1]; // allow [-1] int savegameslot; char savedescription[32]; #define BODYQUESIZE 32 mobj_t* bodyque[BODYQUESIZE]; int bodyqueslot; void* statcopy; // for statistics driver int G_CmdChecksum (ticcmd_t* cmd) { int i; int sum = 0; for (i=0 ; i< sizeof(*cmd)/4 - 1 ; i++) sum += ((int *)cmd)[i]; return sum; } // // G_BuildTiccmd // Builds a ticcmd from all of the available inputs // or reads it from the demo buffer. // If recording a demo, write it out // void G_BuildTiccmd (ticcmd_t* cmd) { int i; boolean strafe; boolean bstrafe; int speed; int tspeed; int forward; int side; ticcmd_t* base; base = I_BaseTiccmd (); // empty, or external driver memcpy (cmd,base,sizeof(*cmd)); cmd->consistancy = consistancy[consoleplayer][maketic%BACKUPTICS]; strafe = gamekeydown[key_strafe] || mousebuttons[mousebstrafe] || joybuttons[joybstrafe]; speed = gamekeydown[key_speed] || joybuttons[joybspeed]; forward = side = 0; // use two stage accelerative turning // on the keyboard and joystick if (joyxmove < 0 || joyxmove > 0 || gamekeydown[key_right] || gamekeydown[key_left]) turnheld += ticdup; else turnheld = 0; if (turnheld < SLOWTURNTICS) tspeed = 2; // slow turn else tspeed = speed; // let movement keys cancel each other out if (strafe) { if (gamekeydown[key_right]) { // fprintf(stderr, "strafe right\n"); side += sidemove[speed]; } if (gamekeydown[key_left]) { // fprintf(stderr, "strafe left\n"); side -= sidemove[speed]; } if (joyxmove > 0) side += sidemove[speed]; if (joyxmove < 0) side -= sidemove[speed]; } else { if (gamekeydown[key_right]) cmd->angleturn -= angleturn[tspeed]; if (gamekeydown[key_left]) cmd->angleturn += angleturn[tspeed]; if (joyxmove > 0) cmd->angleturn -= angleturn[tspeed]; if (joyxmove < 0) cmd->angleturn += angleturn[tspeed]; } if (gamekeydown[key_up]) { // fprintf(stderr, "up\n"); forward += forwardmove[speed]; } if (gamekeydown[key_down]) { // fprintf(stderr, "down\n"); forward -= forwardmove[speed]; } if (joyymove < 0) forward += forwardmove[speed]; if (joyymove > 0) forward -= forwardmove[speed]; if (gamekeydown[key_straferight]) side += sidemove[speed]; if (gamekeydown[key_strafeleft]) side -= sidemove[speed]; // buttons cmd->chatchar = HU_dequeueChatChar(); if (gamekeydown[key_fire] || mousebuttons[mousebfire] || joybuttons[joybfire]) cmd->buttons |= BT_ATTACK; if (gamekeydown[key_use] || joybuttons[joybuse] ) { cmd->buttons |= BT_USE; // clear double clicks if hit use button dclicks = 0; } // chainsaw overrides for (i=0 ; i<NUMWEAPONS-1 ; i++) if (gamekeydown['1'+i]) { cmd->buttons |= BT_CHANGE; cmd->buttons |= i<<BT_WEAPONSHIFT; break; } // mouse if (mousebuttons[mousebforward]) forward += forwardmove[speed]; // forward double click if (mousebuttons[mousebforward] != dclickstate && dclicktime > 1 ) { dclickstate = mousebuttons[mousebforward]; if (dclickstate) dclicks++; if (dclicks == 2) { cmd->buttons |= BT_USE; dclicks = 0; } else dclicktime = 0; } else { dclicktime += ticdup; if (dclicktime > 20) { dclicks = 0; dclickstate = 0; } } // strafe double click bstrafe = mousebuttons[mousebstrafe] || joybuttons[joybstrafe]; if (bstrafe != dclickstate2 && dclicktime2 > 1 ) { dclickstate2 = bstrafe; if (dclickstate2) dclicks2++; if (dclicks2 == 2) { cmd->buttons |= BT_USE; dclicks2 = 0; } else dclicktime2 = 0; } else { dclicktime2 += ticdup; if (dclicktime2 > 20) { dclicks2 = 0; dclickstate2 = 0; } } forward += mousey; if (strafe) side += mousex*2; else cmd->angleturn -= mousex*0x8; mousex = mousey = 0; if (forward > MAXPLMOVE) forward = MAXPLMOVE; else if (forward < -MAXPLMOVE) forward = -MAXPLMOVE; if (side > MAXPLMOVE) side = MAXPLMOVE; else if (side < -MAXPLMOVE) side = -MAXPLMOVE; cmd->forwardmove += forward; cmd->sidemove += side; // special buttons if (sendpause) { sendpause = false; cmd->buttons = BT_SPECIAL | BTS_PAUSE; } if (sendsave) { sendsave = false; cmd->buttons = BT_SPECIAL | BTS_SAVEGAME | (savegameslot<<BTS_SAVESHIFT); } } // // G_DoLoadLevel // extern gamestate_t wipegamestate; void G_DoLoadLevel (void) { int i; // Set the sky map. // First thing, we have a dummy sky texture name, // a flat. The data is in the WAD only because // we look for an actual index, instead of simply // setting one. skyflatnum = R_FlatNumForName ( SKYFLATNAME ); // DOOM determines the sky texture to be used // depending on the current episode, and the game version. if ( (gamemode == commercial) || ( gamemode == pack_tnt ) || ( gamemode == pack_plut ) ) { skytexture = R_TextureNumForName ("SKY3"); if (gamemap < 12) skytexture = R_TextureNumForName ("SKY1"); else if (gamemap < 21) skytexture = R_TextureNumForName ("SKY2"); } levelstarttic = gametic; // for time calculation if (wipegamestate == GS_LEVEL) wipegamestate = -1; // force a wipe gamestate = GS_LEVEL; for (i=0 ; i<MAXPLAYERS ; i++) { if (playeringame[i] && players[i].playerstate == PST_DEAD) players[i].playerstate = PST_REBORN; memset (players[i].frags,0,sizeof(players[i].frags)); } P_SetupLevel (gameepisode, gamemap); displayplayer = consoleplayer; // view the guy you are playing starttime = I_GetTime (); gameaction = ga_nothing; Z_CheckHeap (); // clear cmd building stuff memset (gamekeydown, 0, sizeof(gamekeydown)); joyxmove = joyymove = 0; mousex = mousey = 0; sendpause = sendsave = paused = false; memset (mousebuttons, 0, sizeof(mousebuttons)); memset (joybuttons, 0, sizeof(joybuttons)); } // // G_Responder // Get info needed to make ticcmd_ts for the players. // boolean G_Responder (event_t* ev) { // allow spy mode changes even during the demo if (gamestate == GS_LEVEL && ev->type == ev_keydown && ev->data1 == KEY_F12 && (singledemo || !deathmatch) ) { // spy mode do { displayplayer++; if (displayplayer == MAXPLAYERS) displayplayer = 0; } while (!playeringame[displayplayer] && displayplayer != consoleplayer); return true; } // any other key pops up menu if in demos if (gameaction == ga_nothing && !singledemo && (demoplayback || gamestate == GS_DEMOSCREEN) ) { if (ev->type == ev_keydown || (ev->type == ev_mouse && ev->data1) || (ev->type == ev_joystick && ev->data1) ) { M_StartControlPanel (); return true; } return false; } if (gamestate == GS_LEVEL) { if (HU_Responder (ev)) return true; // chat ate the event if (ST_Responder (ev)) return true; // status window ate it if (AM_Responder (ev)) return true; // automap ate it } if (gamestate == GS_FINALE) { if (F_Responder (ev)) return true; // finale ate the event } switch (ev->type) { case ev_keydown: if (ev->data1 == KEY_PAUSE) { sendpause = true; return true; } if (ev->data1 <NUMKEYS) gamekeydown[ev->data1] = true; return true; // eat key down events case ev_keyup: if (ev->data1 <NUMKEYS) gamekeydown[ev->data1] = false; return false; // always let key up events filter down case ev_mouse: mousebuttons[0] = ev->data1 & 1; mousebuttons[1] = ev->data1 & 2; mousebuttons[2] = ev->data1 & 4; mousex = ev->data2*(mouseSensitivity+5)/10; mousey = ev->data3*(mouseSensitivity+5)/10; return true; // eat events case ev_joystick: joybuttons[0] = ev->data1 & 1; joybuttons[1] = ev->data1 & 2; joybuttons[2] = ev->data1 & 4; joybuttons[3] = ev->data1 & 8; joyxmove = ev->data2; joyymove = ev->data3; return true; // eat events default: break; } return false; } // // G_Ticker // Make ticcmd_ts for the players. // void G_Ticker (void) { int i; int buf; ticcmd_t* cmd; // do player reborns if needed for (i=0 ; i<MAXPLAYERS ; i++) if (playeringame[i] && players[i].playerstate == PST_REBORN) G_DoReborn (i); // do things to change the game state while (gameaction != ga_nothing) { switch (gameaction) { case ga_loadlevel: G_DoLoadLevel (); break; case ga_newgame: G_DoNewGame (); break; case ga_loadgame: G_DoLoadGame (); break; case ga_savegame: G_DoSaveGame (); break; case ga_playdemo: G_DoPlayDemo (); break; case ga_completed: G_DoCompleted (); break; case ga_victory: F_StartFinale (); break; case ga_worlddone: G_DoWorldDone (); break; case ga_screenshot: M_ScreenShot (); gameaction = ga_nothing; break; case ga_nothing: break; } } // get commands, check consistancy, // and build new consistancy check buf = (gametic/ticdup)%BACKUPTICS; for (i=0 ; i<MAXPLAYERS ; i++) { if (playeringame[i]) { cmd = &players[i].cmd; memcpy (cmd, &netcmds[i][buf], sizeof(ticcmd_t)); if (demoplayback) G_ReadDemoTiccmd (cmd); if (demorecording) G_WriteDemoTiccmd (cmd); // check for turbo cheats if (cmd->forwardmove > TURBOTHRESHOLD && !(gametic&31) && ((gametic>>5)&3) == i ) { static char turbomessage[80]; extern char *player_names[4]; sprintf (turbomessage, "%s is turbo!",player_names[i]); players[consoleplayer].message = turbomessage; } if (netgame && !netdemo && !(gametic%ticdup) ) { if (gametic > BACKUPTICS && consistancy[i][buf] != cmd->consistancy) { I_Error ("consistency failure (%i should be %i)", cmd->consistancy, consistancy[i][buf]); } if (players[i].mo) consistancy[i][buf] = players[i].mo->x; else consistancy[i][buf] = rndindex; } } } // check for special buttons for (i=0 ; i<MAXPLAYERS ; i++) { if (playeringame[i]) { if (players[i].cmd.buttons & BT_SPECIAL) { switch (players[i].cmd.buttons & BT_SPECIALMASK) { case BTS_PAUSE: paused ^= 1; if (paused) S_PauseSound (); else S_ResumeSound (); break; case BTS_SAVEGAME: if (!savedescription[0]) strcpy (savedescription, "NET GAME"); savegameslot = (players[i].cmd.buttons & BTS_SAVEMASK)>>BTS_SAVESHIFT; gameaction = ga_savegame; break; } } } } // do main actions switch (gamestate) { case GS_LEVEL: P_Ticker (); ST_Ticker (); AM_Ticker (); HU_Ticker (); break; case GS_INTERMISSION: WI_Ticker (); break; case GS_FINALE: F_Ticker (); break; case GS_DEMOSCREEN: D_PageTicker (); break; } } // // PLAYER STRUCTURE FUNCTIONS // also see P_SpawnPlayer in P_Things // // // G_InitPlayer // Called at the start. // Called by the game initialization functions. // void G_InitPlayer (int player) { // clear everything else to defaults G_PlayerReborn (player); } // // G_PlayerFinishLevel // Can when a player completes a level. // void G_PlayerFinishLevel (int player) { player_t* p; p = &players[player]; memset (p->powers, 0, sizeof (p->powers)); memset (p->cards, 0, sizeof (p->cards)); p->mo->flags &= ~MF_SHADOW; // cancel invisibility p->extralight = 0; // cancel gun flashes p->fixedcolormap = 0; // cancel ir gogles p->damagecount = 0; // no palette changes p->bonuscount = 0; } // // G_PlayerReborn // Called after a player dies // almost everything is cleared and initialized // void G_PlayerReborn (int player) { player_t* p; int i; int frags[MAXPLAYERS]; int killcount; int itemcount; int secretcount; memcpy (frags,players[player].frags,sizeof(frags)); killcount = players[player].killcount; itemcount = players[player].itemcount; secretcount = players[player].secretcount; p = &players[player]; memset (p, 0, sizeof(*p)); memcpy (players[player].frags, frags, sizeof(players[player].frags)); players[player].killcount = killcount; players[player].itemcount = itemcount; players[player].secretcount = secretcount; p->usedown = p->attackdown = true; // don't do anything immediately p->playerstate = PST_LIVE; p->health = MAXHEALTH; p->readyweapon = p->pendingweapon = wp_pistol; p->weaponowned[wp_fist] = true; p->weaponowned[wp_pistol] = true; p->ammo[am_clip] = 50; for (i=0 ; i<NUMAMMO ; i++) p->maxammo[i] = maxammo[i]; } // // G_CheckSpot // Returns false if the player cannot be respawned // at the given mapthing_t spot // because something is occupying it // void P_SpawnPlayer (mapthing_t* mthing); boolean G_CheckSpot ( int playernum, mapthing_t* mthing ) { fixed_t x; fixed_t y; subsector_t* ss; unsigned an; mobj_t* mo; int i; if (!players[playernum].mo) { // first spawn of level, before corpses for (i=0 ; i<playernum ; i++) if (players[i].mo->x == mthing->x << FRACBITS && players[i].mo->y == mthing->y << FRACBITS) return false; return true; } x = mthing->x << FRACBITS; y = mthing->y << FRACBITS; if (!P_CheckPosition (players[playernum].mo, x, y) ) return false; // flush an old corpse if needed if (bodyqueslot >= BODYQUESIZE) P_RemoveMobj (bodyque[bodyqueslot%BODYQUESIZE]); bodyque[bodyqueslot%BODYQUESIZE] = players[playernum].mo; bodyqueslot++; // spawn a teleport fog ss = R_PointInSubsector (x,y); an = ( ANG45 * ((unsigned)mthing->angle/45) ) >> ANGLETOFINESHIFT; mo = P_SpawnMobj (x+20*finecosine[an], y+20*finesine[an] , ss->sector->floorheight , MT_TFOG); if (players[consoleplayer].viewz != 1) S_StartSound (mo, sfx_telept); // don't start sound on first frame return true; } // // G_DeathMatchSpawnPlayer // Spawns a player at one of the random death match spots // called at level load and each death // void G_DeathMatchSpawnPlayer (int playernum) { int i,j; int selections; selections = deathmatch_p - deathmatchstarts; if (selections < 4) I_Error ("Only %i deathmatch spots, 4 required", selections); for (j=0 ; j<20 ; j++) { i = P_Random() % selections; if (G_CheckSpot (playernum, &deathmatchstarts[i]) ) { deathmatchstarts[i].type = playernum+1; P_SpawnPlayer (&deathmatchstarts[i]); return; } } // no good spot, so the player will probably get stuck P_SpawnPlayer (&playerstarts[playernum]); } // // G_DoReborn // void G_DoReborn (int playernum) { int i; if (!netgame) { // reload the level from scratch gameaction = ga_loadlevel; } else { // respawn at the start // first dissasociate the corpse players[playernum].mo->player = NULL; // spawn at random spot if in death match if (deathmatch) { G_DeathMatchSpawnPlayer (playernum); return; } if (G_CheckSpot (playernum, &playerstarts[playernum]) ) { P_SpawnPlayer (&playerstarts[playernum]); return; } // try to spawn at one of the other players spots for (i=0 ; i<MAXPLAYERS ; i++) { if (G_CheckSpot (playernum, &playerstarts[i]) ) { playerstarts[i].type = playernum+1; // fake as other player P_SpawnPlayer (&playerstarts[i]); playerstarts[i].type = i+1; // restore return; } // he's going to be inside something. Too bad. } P_SpawnPlayer (&playerstarts[playernum]); } } void G_ScreenShot (void) { gameaction = ga_screenshot; } // DOOM Par Times int pars[4][10] = { {0}, {0,30,75,120,90,165,180,180,30,165}, {0,90,90,90,120,90,360,240,30,170}, {0,90,45,90,150,90,90,165,30,135} }; // DOOM II Par Times int cpars[32] = { 30,90,120,120,90,150,120,120,270,90, // 1-10 210,150,150,150,210,150,420,150,210,150, // 11-20 240,150,180,150,150,300,330,420,300,180, // 21-30 120,30 // 31-32 }; // // G_DoCompleted // boolean secretexit; extern char* pagename; void G_ExitLevel (void) { secretexit = false; gameaction = ga_completed; } // Here's for the german edition. void G_SecretExitLevel (void) { // IF NO WOLF3D LEVELS, NO SECRET EXIT! if ( (gamemode == commercial) && (W_CheckNumForName("map31")<0)) secretexit = false; else secretexit = true; gameaction = ga_completed; } void G_DoCompleted (void) { int i; gameaction = ga_nothing; for (i=0 ; i<MAXPLAYERS ; i++) if (playeringame[i]) G_PlayerFinishLevel (i); // take away cards and stuff if (automapactive) AM_Stop (); if ( gamemode != commercial) switch(gamemap) { case 8: gameaction = ga_victory; return; case 9: for (i=0 ; i<MAXPLAYERS ; i++) players[i].didsecret = true; break; } //#if 0 Hmmm - why? if ( (gamemap == 8) && (gamemode != commercial) ) { // victory gameaction = ga_victory; return; } if ( (gamemap == 9) && (gamemode != commercial) ) { // exit secret level for (i=0 ; i<MAXPLAYERS ; i++) players[i].didsecret = true; } //#endif wminfo.didsecret = players[consoleplayer].didsecret; wminfo.epsd = gameepisode -1; wminfo.last = gamemap -1; // wminfo.next is 0 biased, unlike gamemap if ( gamemode == commercial) { if (secretexit) switch(gamemap) { case 15: wminfo.next = 30; break; case 31: wminfo.next = 31; break; } else switch(gamemap) { case 31: case 32: wminfo.next = 15; break; default: wminfo.next = gamemap; } } else { if (secretexit) wminfo.next = 8; // go to secret level else if (gamemap == 9) { // returning from secret level switch (gameepisode) { case 1: wminfo.next = 3; break; case 2: wminfo.next = 5; break; case 3: wminfo.next = 6; break; case 4: wminfo.next = 2; break; } } else wminfo.next = gamemap; // go to next level } wminfo.maxkills = totalkills; wminfo.maxitems = totalitems; wminfo.maxsecret = totalsecret; wminfo.maxfrags = 0; if ( gamemode == commercial ) wminfo.partime = 35*cpars[gamemap-1]; else wminfo.partime = 35*pars[gameepisode][gamemap]; wminfo.pnum = consoleplayer; for (i=0 ; i<MAXPLAYERS ; i++) { wminfo.plyr[i].in = playeringame[i]; wminfo.plyr[i].skills = players[i].killcount; wminfo.plyr[i].sitems = players[i].itemcount; wminfo.plyr[i].ssecret = players[i].secretcount; wminfo.plyr[i].stime = leveltime; memcpy (wminfo.plyr[i].frags, players[i].frags , sizeof(wminfo.plyr[i].frags)); } gamestate = GS_INTERMISSION; viewactive = false; automapactive = false; if (statcopy) memcpy (statcopy, &wminfo, sizeof(wminfo)); WI_Start (&wminfo); } // // G_WorldDone // void G_WorldDone (void) { gameaction = ga_worlddone; if (secretexit) players[consoleplayer].didsecret = true; if ( gamemode == commercial ) { switch (gamemap) { case 15: case 31: if (!secretexit) break; case 6: case 11: case 20: case 30: F_StartFinale (); break; } } } void G_DoWorldDone (void) { gamestate = GS_LEVEL; gamemap = wminfo.next+1; G_DoLoadLevel (); gameaction = ga_nothing; viewactive = true; } // // G_InitFromSavegame // Can be called by the startup code or the menu task. // extern boolean setsizeneeded; void R_ExecuteSetViewSize (void); char savename[256]; void G_LoadGame (char* name) { strcpy (savename, name); gameaction = ga_loadgame; } #define VERSIONSIZE 16 void G_DoLoadGame (void) { int i; int a,b,c; char vcheck[VERSIONSIZE]; gameaction = ga_nothing; M_ReadFile (savename, &savebuffer); save_p = savebuffer + SAVESTRINGSIZE; // skip the description field memset (vcheck,0,sizeof(vcheck)); sprintf (vcheck,"version %i",VERSION); if (strcmp ((char*)save_p, vcheck)) return; // bad version save_p += VERSIONSIZE; gameskill = *save_p++; gameepisode = *save_p++; gamemap = *save_p++; for (i=0 ; i<MAXPLAYERS ; i++) playeringame[i] = *save_p++; // load a base level G_InitNew (gameskill, gameepisode, gamemap); // get the times a = *save_p++; b = *save_p++; c = *save_p++; leveltime = (a<<16) + (b<<8) + c; // dearchive all the modifications P_UnArchivePlayers (); P_UnArchiveWorld (); P_UnArchiveThinkers (); P_UnArchiveSpecials (); if (*save_p != 0x1d) I_Error ("Bad savegame"); // done Z_Free (savebuffer); if (setsizeneeded) R_ExecuteSetViewSize (); // draw the pattern into the back screen R_FillBackScreen (); } // // G_SaveGame // Called by the menu task. // Description is a 24 byte text string // void G_SaveGame ( int slot, char* description ) { savegameslot = slot; strcpy (savedescription, description); sendsave = true; } void G_DoSaveGame (void) { char name[256]; char name2[VERSIONSIZE]; char* description; int length; int i; sprintf (name,SAVEGAMENAME"%d.dsg",savegameslot); description = savedescription; save_p = savebuffer = screens[1]+0x4000; memcpy (save_p, description, SAVESTRINGSIZE); save_p += SAVESTRINGSIZE; memset (name2,0,sizeof(name2)); sprintf (name2,"version %i",VERSION); memcpy (save_p, name2, VERSIONSIZE); save_p += VERSIONSIZE; *save_p++ = gameskill; *save_p++ = gameepisode; *save_p++ = gamemap; for (i=0 ; i<MAXPLAYERS ; i++) *save_p++ = playeringame[i]; *save_p++ = leveltime>>16; *save_p++ = leveltime>>8; *save_p++ = leveltime; P_ArchivePlayers (); P_ArchiveWorld (); P_ArchiveThinkers (); P_ArchiveSpecials (); *save_p++ = 0x1d; // consistancy marker length = save_p - savebuffer; if (length > SAVEGAMESIZE) I_Error ("Savegame buffer overrun"); M_WriteFile (name, savebuffer, length); gameaction = ga_nothing; savedescription[0] = 0; players[consoleplayer].message = GGSAVED; // draw the pattern into the back screen R_FillBackScreen (); } // // G_InitNew // Can be called by the startup code or the menu task, // consoleplayer, displayplayer, playeringame[] should be set. // skill_t d_skill; int d_episode; int d_map; void G_DeferedInitNew ( skill_t skill, int episode, int map) { d_skill = skill; d_episode = episode; d_map = map; gameaction = ga_newgame; } void G_DoNewGame (void) { demoplayback = false; netdemo = false; netgame = false; deathmatch = false; playeringame[1] = playeringame[2] = playeringame[3] = 0; respawnparm = false; fastparm = false; nomonsters = false; consoleplayer = 0; G_InitNew (d_skill, d_episode, d_map); gameaction = ga_nothing; } // The sky texture to be used instead of the F_SKY1 dummy. extern int skytexture; void G_InitNew ( skill_t skill, int episode, int map ) { int i; if (paused) { paused = false; S_ResumeSound (); } if (skill > sk_nightmare) skill = sk_nightmare; // This was quite messy with SPECIAL and commented parts. // Supposedly hacks to make the latest edition work. // It might not work properly. if (episode < 1) episode = 1; if ( gamemode == retail ) { if (episode > 4) episode = 4; } else if ( gamemode == shareware ) { if (episode > 1) episode = 1; // only start episode 1 on shareware } else { if (episode > 3) episode = 3; } if (map < 1) map = 1; if ( (map > 9) && ( gamemode != commercial) ) map = 9; M_ClearRandom (); if (skill == sk_nightmare || respawnparm ) respawnmonsters = true; else respawnmonsters = false; if (fastparm || (skill == sk_nightmare && gameskill != sk_nightmare) ) { for (i=S_SARG_RUN1 ; i<=S_SARG_PAIN2 ; i++) states[i].tics >>= 1; mobjinfo[MT_BRUISERSHOT].speed = 20*FRACUNIT; mobjinfo[MT_HEADSHOT].speed = 20*FRACUNIT; mobjinfo[MT_TROOPSHOT].speed = 20*FRACUNIT; } else if (skill != sk_nightmare && gameskill == sk_nightmare) { for (i=S_SARG_RUN1 ; i<=S_SARG_PAIN2 ; i++) states[i].tics <<= 1; mobjinfo[MT_BRUISERSHOT].speed = 15*FRACUNIT; mobjinfo[MT_HEADSHOT].speed = 10*FRACUNIT; mobjinfo[MT_TROOPSHOT].speed = 10*FRACUNIT; } // force players to be initialized upon first level load for (i=0 ; i<MAXPLAYERS ; i++) players[i].playerstate = PST_REBORN; usergame = true; // will be set false if a demo paused = false; demoplayback = false; automapactive = false; viewactive = true; gameepisode = episode; gamemap = map; gameskill = skill; // set the sky map for the episode if ( gamemode == commercial) { skytexture = R_TextureNumForName ("SKY3"); if (gamemap < 12) skytexture = R_TextureNumForName ("SKY1"); else if (gamemap < 21) skytexture = R_TextureNumForName ("SKY2"); } else switch (episode) { case 1: skytexture = R_TextureNumForName ("SKY1"); break; case 2: skytexture = R_TextureNumForName ("SKY2"); break; case 3: skytexture = R_TextureNumForName ("SKY3"); break; case 4: // Special Edition sky skytexture = R_TextureNumForName ("SKY4"); break; } G_DoLoadLevel (); } // // DEMO RECORDING // #define DEMOMARKER 0x80 void G_ReadDemoTiccmd (ticcmd_t* cmd) { if (*demo_p == DEMOMARKER) { // end of demo data stream G_CheckDemoStatus (); return; } cmd->forwardmove = ((signed char)*demo_p++); cmd->sidemove = ((signed char)*demo_p++); cmd->angleturn = ((unsigned char)*demo_p++)<<8; cmd->buttons = (unsigned char)*demo_p++; } void G_WriteDemoTiccmd (ticcmd_t* cmd) { if (gamekeydown['q']) // press q to end demo recording G_CheckDemoStatus (); *demo_p++ = cmd->forwardmove; *demo_p++ = cmd->sidemove; *demo_p++ = (cmd->angleturn+128)>>8; *demo_p++ = cmd->buttons; demo_p -= 4; if (demo_p > demoend - 16) { // no more space G_CheckDemoStatus (); return; } G_ReadDemoTiccmd (cmd); // make SURE it is exactly the same } // // G_RecordDemo // void G_RecordDemo (char* name) { int i; int maxsize; usergame = false; strcpy (demoname, name); strcat (demoname, ".lmp"); maxsize = 0x20000; i = M_CheckParm ("-maxdemo"); if (i && i<myargc-1) maxsize = atoi(myargv[i+1])*1024; demobuffer = Z_Malloc (maxsize,PU_STATIC,NULL); demoend = demobuffer + maxsize; demorecording = true; } void G_BeginRecording (void) { int i; demo_p = demobuffer; *demo_p++ = VERSION; *demo_p++ = gameskill; *demo_p++ = gameepisode; *demo_p++ = gamemap; *demo_p++ = deathmatch; *demo_p++ = respawnparm; *demo_p++ = fastparm; *demo_p++ = nomonsters; *demo_p++ = consoleplayer; for (i=0 ; i<MAXPLAYERS ; i++) *demo_p++ = playeringame[i]; } // // G_PlayDemo // char* defdemoname; void G_DeferedPlayDemo (char* name) { defdemoname = name; gameaction = ga_playdemo; } void G_DoPlayDemo (void) { skill_t skill; int i, episode, map; gameaction = ga_nothing; demobuffer = demo_p = W_CacheLumpName (defdemoname, PU_STATIC); switch (*demo_p) { case VERSION: break; default: fprintf(stderr, "Demo is from a different game version!\n"); fprintf(stderr, "VERSION=%d demover=%d\n", VERSION, *demo_p); break; /* gameaction = ga_nothing; return; */ } demo_p++; skill = *demo_p++; episode = *demo_p++; map = *demo_p++; deathmatch = *demo_p++; respawnparm = *demo_p++; fastparm = *demo_p++; nomonsters = *demo_p++; consoleplayer = *demo_p++; // PORTME TODO : MAXPLAYERS assumes 4 in demo format for (i=0 ; i<MAXPLAYERS ; i++) playeringame[i] = *demo_p++; if (playeringame[1]) { netgame = true; netdemo = true; } // don't spend a lot of time in loadlevel precache = false; G_InitNew (skill, episode, map); precache = true; usergame = false; demoplayback = true; } // // G_TimeDemo // void G_TimeDemo (char* name) { nodrawers = M_CheckParm ("-nodraw"); noblit = M_CheckParm ("-noblit"); timingdemo = true; singletics = true; defdemoname = name; gameaction = ga_playdemo; } /* =================== = = G_CheckDemoStatus = = Called after a death or level completion to allow demos to be cleaned up = Returns true if a new demo loop action will take place =================== */ boolean G_CheckDemoStatus (void) { int endtime; if (timingdemo) { endtime = I_GetTime (); I_Error ("timed %i gametics in %i realtics",gametic , endtime-starttime); } if (demoplayback) { if (singledemo) I_Quit (); Z_ChangeTag (demobuffer, PU_CACHE); demoplayback = false; netdemo = false; netgame = false; deathmatch = false; playeringame[1] = playeringame[2] = playeringame[3] = 0; respawnparm = false; fastparm = false; nomonsters = false; consoleplayer = 0; D_AdvanceDemo (); return true; } if (demorecording) { *demo_p++ = DEMOMARKER; M_WriteFile (demoname, demobuffer, demo_p - demobuffer); Z_Free (demobuffer); demorecording = false; I_Error ("Demo %s recorded",demoname); } return false; }