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g_game.c
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// 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 <string.h>
#include <stdlib.h>
#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"
#include "gconsole.h"
#include "doomcmd.h"
#define SAVEGAMESIZE 0x2c000
#define SAVESTRINGSIZE 24
void lfprintf(char *message, ... );
int access( const char *path, int mode );
dboolean 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_DoPlayDemo_II(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;
dboolean respawnmonsters;
int gameepisode;
int gamemap;
dboolean paused;
dboolean sendpause; // send a pause event next tic
dboolean sendsave; // send a save event next tic
dboolean usergame; // ok to save / end game
dboolean timingdemo; // if true, exit with report on completion
dboolean nodrawers; // for comparative timing purposes
dboolean noblit; // for comparative timing purposes
int starttime; // for comparative timing purposes
int loadtime; // for fps timer
dboolean viewactive;
dboolean deathmatch; // only if started as net death
dboolean netgame; // only true if packets are broadcast
dboolean 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];
int demotype;
dboolean demorecording;
dboolean demoplayback;
dboolean netdemo;
byte* demobuffer;
byte* demo_p;
byte* demoend;
dboolean singledemo; // quit after playing a demo from cmdline
dboolean precache = true; // if true, load all graphics at start
wbstartstruct_t wminfo; // parms for world map / intermission
short consistancy[MAXPLAYERS][BACKUPTICS];
byte* savebuffer;
extern const char playername[18];
extern const char playerskin[18];
char ipaddress[4][16];
int numplayers = 0;
//
// controls (have defaults)
//
int key_lookup;
int key_lookdown;
int key_mlook;
int key_forward;
int key_leftturn;
int key_rightturn;
int key_backward;
int key_right;
int key_left;
int key_hudup = KEY_EQUALS;
int key_huddn = KEY_MINUS;
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 key_mvert;
int mousebfire;
int mousebstrafe;
int mousebforward;
int mousebbackward = -1;
int mouseb1 = CMD_FIRE;
int mouseb2 = CMD_STRAFE;
int mouseb3 = CMD_FORWARD;
int gl_poffsetf, gl_poffsetu;
int gl_fog;
int gl_modeltest;
int gl_alphatest;
int gl_premalpha;
int gl_widetex;
int music;
int joybfire;
int joybstrafe;
int joybuse;
int joybspeed;
int joydead = 5000;
int joyb[32];
int joyb1;
int joyb2;
int joyb3;
int joyb4;
int joyb5;
int joyb6;
int joyb7;
int joyb8;
int joyb9;
int joyb10;
int joyb11;
int joyb12;
int joyb13;
int joyb14;
int joyb15;
int joyb16;
int joyb17;
int joyb18;
int joyb19;
int joyb20;
int joyb21;
int joyb22;
int joyb23;
int joyb24;
int joyb25;
int joyb26;
int joyb27;
int joyb28;
int joyb29;
int joyb30;
int joyb31;
int joyb32;
int autorun;
int swap_stereo;
int mouse_factor;
int mvert;
int mlook;
int nosound;
int keylink;
int link_alt;
int key_f1 = KEY_F1;
int key_f2 = KEY_F2;
int key_f3 = KEY_F3;
int key_f4 = KEY_F4;
int key_f5 = KEY_F5;
int key_f6 = KEY_F6;
int key_f7 = KEY_F7;
int key_f8 = KEY_F8;
int key_f9 = KEY_F9;
int key_f10 = KEY_F10;
int key_f11 = KEY_F11;
int key_f12 = KEY_F12;
int key_enter = KEY_ENTER;
int key_backspace = KEY_BACKSPACE;
int destination_keys;
int key_chat = KEY_T;
int key_map_grid = KEY_G;
int key_map_gobig = KEY_0;
int key_map_clear = KEY_C;
int key_map_mark = KEY_M;
int key_map_right = KEY_RIGHTARROW;
int key_map_left = KEY_LEFTARROW;
int key_map_down = KEY_DOWNARROW;
int key_map_up = KEY_UPARROW;
int key_map_zoomout = KEY_MINUS;
int key_map_zoomin = KEY_EQUALS;
int key_map_follow = KEY_F;
int key_weapontoggle;
int key_weapon9 = KEY_9;
int key_weapon8 = KEY_8;
int key_weapon7 = KEY_7;
int key_weapon6 = KEY_6;
int key_weapon5 = KEY_5;
int key_weapon4 = KEY_4;
int key_weapon3 = KEY_3;
int key_weapon2 = KEY_2;
int key_weapon1 = KEY_1;
int key_help = KEY_F1;
int key_savegame = KEY_F2;
int key_loadgame = KEY_F3;
int key_soundvolume = KEY_F4;
int key_quicksave = KEY_F6;
int key_endgame = KEY_F7;
int key_messages = KEY_F8;
int key_quickload = KEY_F9;
int key_quit = KEY_F10;
int key_gamma = KEY_F11;
int key_screenshot = KEY_F12;
int key_zoomout = KEY_MINUS;
int key_zoomin = KEY_EQUALS;
int key_spy;
int key_hud;
int key_map = KEY_TAB;
int key_pause = KEY_PAUSE;
int key_escape = KEY_ESCAPE;
int key_menu_escape = KEY_ESCAPE;
int key_menu_enter = KEY_ENTER;
int key_menu_backspace = KEY_BACKSPACE;
int key_menu_right = KEY_RIGHTARROW;
int key_menu_left = KEY_LEFTARROW;
int key_menu_up = KEY_UPARROW;
int key_menu_down = KEY_DOWNARROW;
int key_reverse;
int key_autorun = KEY_CAPITAL;
int defaultskill = 2;
int default_weapon_recoil; // weapon recoil
int weapon_recoil; // weapon recoil
int default_player_bobbing; // whether player bobs or not
int player_bobbing; // whether player bobs or not
int weapon_preferences[2][NUMWEAPONS+1];
int health_red; // health amount less than which status is red
int health_yellow; // health amount less than which status is yellow
int health_green; // health amount above is blue, below is green
int armor_red; // armor amount less than which status is red
int armor_yellow; // armor amount less than which status is yellow
int armor_green; // armor amount above is blue, below is green
int ammo_red; // ammo percent less than which status is red
int ammo_yellow; // ammo percent less is yellow more green
int sts_always_red;// status numbers do not change colors
int sts_pct_always_gray;// status percents do not change colors
int hud_nosecrets; // status does not list secrets/items/kills
int sts_traditional_keys; // display keys the traditional way
int hud_list_bgon; // solid window background for list of messages
int hud_msg_lines; // number of message lines in window up to 16
#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
dboolean gamekeydown[NUMKEYS];
int turnheld; // for accelerative turning
dboolean mousearray[4];
dboolean* 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;
dboolean joyarray[5];
dboolean* 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;
}
extern float fXAngle;
//
// 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;
dboolean strafe;
dboolean 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];
if ((joybspeed == 31) || (autorun == true))
speed = 1;
else
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_lookup])
{
// fprintf(stderr, "up\n");
if (fXAngle < 90.0f)
{
fXAngle += 3.0f;
}
}
if (gamekeydown[key_lookdown])
{
// fprintf(stderr, "up\n");
if (fXAngle > -90.0f)
{
fXAngle -= 3.0f;
}
}
*/
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;
}
if (gamekeydown[key_weapon1])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 0<<BT_WEAPONSHIFT;
}
else
if (gamekeydown[key_weapon2])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 1<<BT_WEAPONSHIFT;
}
else
if (gamekeydown[key_weapon3])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 2<<BT_WEAPONSHIFT;
}
else
if (gamekeydown[key_weapon4])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 3<<BT_WEAPONSHIFT;
}
else
if (gamekeydown[key_weapon5])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 4<<BT_WEAPONSHIFT;
}
else
if (gamekeydown[key_weapon6])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 5<<BT_WEAPONSHIFT;
}
else
if (gamekeydown[key_weapon7])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 6<<BT_WEAPONSHIFT;
}
else
if (gamekeydown[key_weapon8])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 7<<BT_WEAPONSHIFT;
}
/*
else
if (gamekeydown[key_weapon9])
{
cmd->buttons |= BT_CHANGE;
cmd->buttons |= 8<<BT_WEAPONSHIFT;
}
*/
/*
// chainsaw overrides
for (i = 0; i < NUMWEAPONS-1; i++)
{
if (gamekeydown[KEY_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) // Doom II
|| ( gamemode == addon_tnt )
|| ( gamemode == addon_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, 0, gameskill);
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));
R_FillBackScreen();
}
//
// G_Responder
// Get info needed to make ticcmd_ts for the players.
//
dboolean 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;
}
if ((ev->type == ev_keydown) && (ev->data1 == key_mvert))
{
// don't like this - mvert = !mvert;
if (mvert == 0)
mvert = 1;
else
mvert = 0;
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))
{
// except the console key...
if ((ev->type != ev_keydown) || (ev->data1 != KEY_CONSOLE))
{
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 < 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;
mousex = ev->data2*(mouseHorizontal*0.1*mouse_factor);
mousey = ev->data3*(mouseVertical*0.1*mouse_factor);
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:
if (demotype == DEMO_I)
G_DoPlayDemo();
else
G_DoPlayDemo_II();
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;
}
}
}
}