From 66a2cc66d7504c9b64e1c461e62ad2a9d964fa95 Mon Sep 17 00:00:00 2001 From: Simon Howard Date: Sat, 23 Jul 2005 16:19:41 +0000 Subject: Initial revision Subversion-branch: /trunk/chocolate-doom Subversion-revision: 4 --- src/g_game.c | 1693 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1693 insertions(+) create mode 100644 src/g_game.c (limited to 'src/g_game.c') diff --git a/src/g_game.c b/src/g_game.c new file mode 100644 index 00000000..65ef0614 --- /dev/null +++ b/src/g_game.c @@ -0,0 +1,1693 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// $Id: g_game.c 4 2005-07-23 16:19:41Z fraggle $ +// +// 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. +// +// $Log$ +// Revision 1.1 2005/07/23 16:20:11 fraggle +// Initial revision +// +// +// DESCRIPTION: none +// +//----------------------------------------------------------------------------- + + +static const char +rcsid[] = "$Id: g_game.c 4 2005-07-23 16:19:41Z fraggle $"; + +#include +#include + +#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 ; ibuttons |= BT_CHANGE; + cmd->buttons |= i< 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<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 0 + if (devparm && ev->type == ev_keydown && ev->data1 == ';') + { + G_DeathMatchSpawnPlayer (0); + return true; + } +#endif + 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 data1] = true; + return true; // eat key down events + + case ev_keyup: + if (ev->data1 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 ; iforwardmove > 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>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) +{ + player_t* p; + + // set up the saved info + p = &players[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 ; imaxammo[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 ; ix == 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 * (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>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 ; iforwardmove = ((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