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 <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"

#include <SDL.h>


#define SAVEGAMESIZE	0x2c0000
#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 
int	        totalscore;			// 10.15.98 scorekeeping dlw (2billion?)
char	        totalscoretextline[200];
char	        scoreuserwad[256];
char	        HUDscoretext[200];
char	        keepscore;
char	        showscoreHUD;
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 = SDL_SCANCODE_EQUALS;
int     key_huddn = SDL_SCANCODE_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  = SDL_SCANCODE_F1;
int     key_f2  = SDL_SCANCODE_F2;
int     key_f3  = SDL_SCANCODE_F3; 
int     key_f4  = SDL_SCANCODE_F4;
int     key_f5  = SDL_SCANCODE_F5;
int     key_f6  = SDL_SCANCODE_F6;
int     key_f7  = SDL_SCANCODE_F7;
int     key_f8  = SDL_SCANCODE_F8;
int     key_f9  = SDL_SCANCODE_F9;
int     key_f10 = SDL_SCANCODE_F10;
int     key_f11 = SDL_SCANCODE_F11;
int     key_f12 = SDL_SCANCODE_F12;

int     key_enter = SDL_SCANCODE_RETURN;
int     key_backspace = SDL_SCANCODE_BACKSPACE;
int     destination_keys;
int     key_chat = SDL_SCANCODE_T;
int     key_map_grid = SDL_SCANCODE_G;
int     key_map_gobig = SDL_SCANCODE_0;
int     key_map_clear = SDL_SCANCODE_C;
int     key_map_mark = SDL_SCANCODE_M;
int     key_map_right = SDL_SCANCODE_RIGHT;
int     key_map_left = SDL_SCANCODE_LEFT;
int     key_map_down = SDL_SCANCODE_DOWN;
int     key_map_up = SDL_SCANCODE_UP;
int     key_map_zoomout = SDL_SCANCODE_MINUS;
int     key_map_zoomin = SDL_SCANCODE_EQUALS;
int     key_map_follow = SDL_SCANCODE_F;
int     key_weapontoggle;
int     key_weapon9 = SDL_SCANCODE_9;
int     key_weapon8 = SDL_SCANCODE_8;
int     key_weapon7 = SDL_SCANCODE_7;
int     key_weapon6 = SDL_SCANCODE_6;
int     key_weapon5 = SDL_SCANCODE_5;
int     key_weapon4 = SDL_SCANCODE_4;
int     key_weapon3 = SDL_SCANCODE_3;
int     key_weapon2 = SDL_SCANCODE_2;
int     key_weapon1 = SDL_SCANCODE_1;
int     key_help        = SDL_SCANCODE_F1;
int     key_savegame    = SDL_SCANCODE_F2;
int     key_loadgame    = SDL_SCANCODE_F3;
int     key_soundvolume = SDL_SCANCODE_F4;
int     key_quicksave   = SDL_SCANCODE_F6;
int     key_endgame     = SDL_SCANCODE_F7;
int     key_messages    = SDL_SCANCODE_F8;
int     key_quickload   = SDL_SCANCODE_F9;
int     key_quit        = SDL_SCANCODE_F10;
int     key_gamma       = SDL_SCANCODE_F11;
int     key_screenshot  = SDL_SCANCODE_F12;
int     key_zoomout = SDL_SCANCODE_MINUS;
int     key_zoomin  = SDL_SCANCODE_EQUALS;
int     key_spy;
int     key_hud;
int     key_map = SDL_SCANCODE_TAB;
int     key_pause = SDL_SCANCODE_PAUSE;
int     key_escape = SDL_SCANCODE_ESCAPE;
int     key_menu_escape = SDL_SCANCODE_ESCAPE;
int     key_menu_enter = SDL_SCANCODE_RETURN;
int     key_menu_backspace = SDL_SCANCODE_BACKSPACE;
int     key_menu_right = SDL_SCANCODE_RIGHT;
int     key_menu_left = SDL_SCANCODE_LEFT;
int     key_menu_up = SDL_SCANCODE_UP;
int     key_menu_down = SDL_SCANCODE_DOWN;
int     key_reverse;
int     key_autorun;

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) 
   { 
    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 == SDL_SCANCODE_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_keyup))// || (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 == SDL_SCANCODE_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; 
		} 
	    } 
	}
    }

    // 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 ; 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); 
 
char MsgText[2048];

dboolean
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 == NULL)
    {
	// first spawn of level, before corpses
	for (i=0 ; i<playernum ; i++)
       {
        if (players[i].mo != NULL)
           {
	        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 * (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 
//
dboolean		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 dboolean 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		length; 
    int		i; 
    int		a,b,c; 
    char	vcheck[VERSIONSIZE]; 
	 
    gameaction = ga_nothing; 
	 
    length = M_ReadFile (savename, &savebuffer); 
    save_p = savebuffer + SAVESTRINGSIZE;
    
    // skip the description field 
    memset (vcheck,0,sizeof(vcheck)); 
    sprintf (vcheck,"version %i",VERSION); 
    if (strcmp (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();

    R_DrawViewBorder();

    // 10.31.98 dlw Save/Load Score using .ini file
    //	maintains x-compat of save/load while allowing
    //	scores to be s/l also
    if (keepscore)
    {
        for (i = 0; i < VERSIONSIZE; i++) vcheck[i] = 0; //no garbage
        sprintf(vcheck, "Slot%d", 0); // pad the string
        vcheck[4] = savename[7];		// slot number
        totalscore = GetPrivateProfileInt("SCORES", vcheck, 0, ".");
    }
} 
 

//
// 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[100]; 
    char	name2[VERSIONSIZE]; 
    char*	description; 
    int		length; 
    int		i; 
	
    if (M_CheckParm("-cdrom"))
	sprintf(name,"c:\\doomdata\\"SAVEGAMENAME"%d.dsg",savegameslot);
    else
	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 ();	

    // 10.31.98 dlw Save/Load Score using .ini file
    //	maintains x-compat of save/load while allowing
    //	scores to be s/l also
    for (i = 0; i < VERSIONSIZE; i++) name2[i] = 0; //no garbage
    for (i = 0; i < 100; i++) name[i] = 0;			//no garbage
    sprintf(name2, "Slot%d", savegameslot); //get position
    if (keepscore)  //if keeping score write the score
    {
        sprintf(name, "%d", totalscore);
        WritePrivateProfileString("SCORES", name2, name, ".");
    }
    else			//otherwise zero it out
    {
        sprintf(name, "%d", 0);
        WritePrivateProfileString("SCORES", name2, name, ".");
    }
} 
 

//
// 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; 
 
    viewactive = true;
    
    // 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;
	} 
 
    setsizeneeded = true;
    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[SDL_SCANCODE_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"); 
    con_printf("Record demo : %s\n", demoname);
    maxsize = 0x70000;
    i = M_CheckParm ("-maxdemo");
    if (i && i<myargc-1)
	maxsize = atoi(myargv[i+1])*9999;
    demobuffer = Z_Malloc (maxsize,PU_STATIC,NULL);
    demoend = demobuffer + maxsize;
	
    demotype = DEMO_I;

    demorecording = true; 
} 

//
// New Demo Recording stuff...
// 
// Doom demos assume that the demo starts at the
// beginning of a level and that the normal level
// state will apply - any deviation from that
// and playback will be out of "sync".  Synchronization
// information must be written out to the demo file
// so that the state of the entire game is saved
// Probably it should use the save game function to
// save the game state then save the demo data after
// it... A new extension of "DEM" should also be used.
//
// G_RecordDemo_II
// 
void G_RecordDemo_II (char* name) 
{ 
    int             i; 
    int				maxsize;

    usergame = false; 
    strcpy (demoname, name); 
    strcat (demoname, ".dem"); 
    lfprintf("Record demo II : %s\n", demoname);
    maxsize = 0x70000;
    i = M_CheckParm ("-maxdemo");
    if (i && i < myargc-1)
	    maxsize = atoi(myargv[i+1])*9999;
    demobuffer = Z_Malloc (maxsize,PU_STATIC,NULL);
    demoend = demobuffer + maxsize;
	
    demotype = DEMO_II;

    demorecording = true; 
} 
 
void G_BeginRecording_II (void) 
   { 
    char	name2[VERSIONSIZE]; 
    char    description[] = "WINDOOM: DEMO VERSION II";
    int		length; 
    int		i; 
	
    save_p = demobuffer;
	 
    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++ = deathmatch;
    *save_p++ = respawnparm;
    *save_p++ = fastparm;
    *save_p++ = nomonsters;
    *save_p++ = consoleplayer;
	 
    *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 - demobuffer;
    if (length > SAVEGAMESIZE) 
	    I_Error ("Savegame buffer overrun"); 
    M_WriteFile (demoname, demobuffer, length);

    gameaction = ga_nothing;
	 
    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];
//       }

    // draw the pattern into the back screen
    R_FillBackScreen ();
   } 
 
 
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]; 		 

    demotype = DEMO_I;

} 
 

//
// G_PlayDemo 
//

char*	defdemoname; 
 
dboolean G_DeferedPlayDemo_II (char* name)
   { 
    static char demofilename[128];
    sprintf(demofilename, "%s.dem", name);
    if (access(demofilename, 0) != 0)
        return false;
    lfprintf("-playdemo2: %s\n", demofilename);
    defdemoname = demofilename;
    gameaction = ga_playdemo;
    demotype = DEMO_II;
    return true;
} 
 
void G_DeferedPlayDemo (char* name) 
{ 
    lfprintf("-playdemo: %s\n", name);
    defdemoname = name;
    gameaction = ga_playdemo;
    demotype = DEMO_I;
} 
 
void G_DoPlayDemo_II(void) 
   { 
    int		length; 
    int		i; 
    int		a,b,c; 
    char	vcheck[VERSIONSIZE]; 
    skill_t skill; 
    int     episode, map, dversion, tversion;

    demotype = DEMO_II;

    gameaction = ga_nothing;
	
    lfprintf("Playing demo II : %s\n", defdemoname);
    length = M_GetFileSize(defdemoname);
    demobuffer = malloc(length);
    demoend = demobuffer + length;

    length = M_ReadFile(defdemoname, &demobuffer);
    save_p = demobuffer + SAVESTRINGSIZE;
    
    // skip the description field 
    memset (vcheck,0,sizeof(vcheck)); 
    sprintf (vcheck,"version %i",VERSION); 
    if (strcmp (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++; 

    deathmatch = *save_p++;
    respawnparm = *save_p++;
    fastparm = *save_p++;
    nomonsters = *save_p++;
    consoleplayer = *save_p++;
	
//    for (i=0 ; i<MAXPLAYERS ; i++)
//       playeringame[i] = *demo_p++;
    if (playeringame[1]) 
    { 
	netgame = true; 
	netdemo = true; 
    }

    // 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();

    R_DrawViewBorder();

//    tversion = VERSION;
//    gameaction = ga_nothing; 
//    demobuffer = demo_p = W_CacheLumpName(defdemoname, PU_STATIC);
//    if (demobuffer == NULL)
//       {
//        gameaction = ga_nothing;
//        return;
//       }

    demo_p = save_p;
/*

    dversion = *demo_p;
    if ( *demo_p++ != tversion)
    {
      gameaction = ga_nothing;
      return;
    }
*/

//    skill = *demo_p++;
//    episode = *demo_p++;
//    map = *demo_p++;
/*
    deathmatch = *demo_p++;
    respawnparm = *demo_p++;
    fastparm = *demo_p++;
    nomonsters = *demo_p++;
    consoleplayer = *demo_p++;
//    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;
} 

void G_DoPlayDemo (void) 
{ 
    skill_t skill; 
    int             i, episode, map, dversion, tversion;
	 
    demotype = DEMO_I;

    tversion = VERSION;
    gameaction = ga_nothing; 
    demobuffer = demo_p = W_CacheLumpName(defdemoname, PU_STATIC);
    if (demobuffer == NULL)
       {
        lfprintf("Demo %s is not in the WAD...\n", defdemoname);
        gameaction = ga_nothing;
        return;
       }

    dversion = *demo_p;
    if ( *demo_p++ != tversion)
    {
      lfprintf("Demo version : %d.%d Game version : %d.%d\n",
              dversion/100, dversion %100, VERSION/100, VERSION%100);
      gameaction = ga_nothing;
      return;
    }
    skill = *demo_p++; 
    episode = *demo_p++; 
    map = *demo_p++; 
    deathmatch = *demo_p++;
    respawnparm = *demo_p++;
    fastparm = *demo_p++;
    nomonsters = *demo_p++;
    consoleplayer = *demo_p++;
	
    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 
//
dboolean G_TimeDemo_II (char* name) 
{ 	 
    static char demofilename[128];
    sprintf(demofilename, "%s.dem", name);
    if (access(demofilename, 0) != 0)
        return false;
    nodrawers = M_CheckParm ("-nodraw"); 
    noblit = M_CheckParm ("-noblit"); 
    timingdemo = true; 
    singletics = true; 

    defdemoname = demofilename;
    gameaction = ga_playdemo; 
    demotype = DEMO_II;
    lfprintf("Playing timedemo II %s -noblit %d -nodraw %d\n", name, noblit, nodrawers);
    return 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; 
    con_printf("Playing timedemo %s -noblit %d -nodraw %d\n", name, noblit, nodrawers);
} 
 
 
/* 
=================== 
= 
= 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 
=================== 
*/ 
 
dboolean G_CheckDemoStatus (void) 
{ 
    int             endtime; 
	 
    if (timingdemo) 
    { 
	endtime = I_GetTime (); 
    I_Error ("timed %i gametics in %i realtics : %d FPS" ,gametic, endtime-starttime, (gametic*TICRATE)/(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) 
    { 
     G_EndDemo();
	I_Error ("Demo %s recorded",demoname); 
    } 
	 
    return false; 
} 
 

void G_EndDemo_II()
   {
	*demo_p++ = DEMOMARKER; 
	M_AppendFile(demoname, demobuffer, demo_p - demobuffer);
	Z_Free (demobuffer);
	demorecording = false;
   }
 
void G_EndDemo()
   {
	*demo_p++ = DEMOMARKER; 
	M_WriteFile (demoname, demobuffer, demo_p - demobuffer); 
	Z_Free (demobuffer); 
	demorecording = false; 
   }