g_game.c

游戏类程序源代码---WinDoom 3D源程序.zip

        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, &gRenderBuffer)) 
            return true;	// automap ate it 
       } 
	 
    if (gamestate == GS_FINALE) 
       { 
        if (F_Responder (ev)) 
            return true;	// finale ate the event 
       } 
	 
    switch (ev->type) 
       { 
        case ev_keydown: 
             if (ev->data1 == KEY_PAUSE) 
                { 
                 sendpause = true; 
                 return true; 
                } 
             if (ev->data1 < NUMKEYS) 
                gamekeydown[ev->data1] = true; 
             return true;    // eat key down events 
 
        case ev_keyup: 
             if (ev->data1 < NUMKEYS) 
                 gamekeydown[ev->data1] = false; 
             return false;   // always let key up events filter down 
		 
        case ev_mouse: 
             mousebuttons[0] = ev->data1 & 1; 
             mousebuttons[1] = ev->data1 & 2; 
             mousebuttons[2] = ev->data1 & 4; 
             mousex = ev->data2*(mouseSensitivity+5)/10; 
             mousey = ev->data3*(mouseSensitivity+5)/10; 
             return true;    // eat events 
 
        case ev_joystick: 
             joybuttons[0] = ev->data1 & 1; 
             joybuttons[1] = ev->data1 & 2; 
             joybuttons[2] = ev->data1 & 4; 
             joybuttons[3] = ev->data1 & 8; 
             joyxmove = ev->data2; 
             joyymove = ev->data3; 
             return true;    // eat events 
 
        default: 
             break; 
       } 
 
    return false; 
   } 
 
 
 
//
// G_Ticker
// Make ticcmd_ts for the players.
//
void G_Ticker (void) 
{ 
    int		i;
    int		buf; 
    ticcmd_t*	cmd;
    
    // do player reborns if needed
    for (i=0 ; i<MAXPLAYERS ; i++) 
	if (playeringame[i] && players[i].playerstate == PST_REBORN) 
       {
        //WriteDebug("Players being \"reborn\"\n");
	    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: 
         //WriteDebug("Playing demo...\n");
         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: 
		  // DQ start addition
		  {
			  BUFFER TempBuffer;

			  TempBuffer.Buffer = screens[2];  // temp buffer, used for wipes
			  TempBuffer.YLookup = ScreensYLookup;
			  M_ScreenShot(&TempBuffer, &gRenderBuffer);
		  }
		  // DQ end addition
		 // DQ removed
	    //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) 
           {
           //WriteDebug("G_ReadDemoTiccmd\n");
		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: 
         //WriteDebug("P_Ticker...\n");
	P_Ticker (); 
         //WriteDebug("ST_Ticker...\n");
	ST_Ticker (); 
         //WriteDebug("AM_Ticker...\n");
	AM_Ticker (); 
         //WriteDebug("HU_Ticker...\n");
	HU_Ticker ();            
	break; 
	 
      case GS_INTERMISSION: 
         //WriteDebug("WI_Ticker...\n");
	WI_Ticker (); 
	break; 
			 
      case GS_FINALE: 
         //WriteDebug("F_Ticker...\n");
	F_Ticker (); 
	break; 
 
      case GS_DEMOSCREEN: 
         //WriteDebug("D_PageTicker...\n");
	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); 
 
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 == 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; 
        //WriteDebug("F\n");
	    P_SpawnPlayer (&deathmatchstarts[i]); 
	    return; 
	} 
    } 
 
    // no good spot, so the player will probably get stuck 
    //WriteDebug("Y\n");
    P_SpawnPlayer (&playerstarts[playernum]); 
    //WriteDebug("Z\n");
} 

//
// G_DoReborn 
// 
void G_DoReborn (int playernum) 
{ 
    int                             i; 
	 
    if (!netgame)
    {
	// reload the level from scratch
	gameaction = ga_loadlevel;  
    }
    else 
    {
	// respawn at the start

	// first dissasociate the corpse 
	players[playernum].mo->player = NULL;   
		 
	// spawn at random spot if in death match 
	if (deathmatch) 
	{ 
	    G_DeathMatchSpawnPlayer (playernum); 
	    return; 
	} 
		 
	if (G_CheckSpot (playernum, &playerstarts[playernum]) ) 
	{ 
	    P_SpawnPlayer (&playerstarts[playernum]); 
	    return; 
	}
	
	// try to spawn at one of the other players spots 
	for (i=0 ; i<MAXPLAYERS ; i++)
	{
	    if (G_CheckSpot (playernum, &playerstarts[i]) ) 
	    { 
		playerstarts[i].type = playernum+1;	// fake as other player 
		P_SpawnPlayer (&playerstarts[i]); 
		playerstarts[i].type = i+1;		// restore 
		return; 
	    }	    
	    // he's going to be inside something.  Too bad.
	}
	P_SpawnPlayer (&playerstarts[playernum]); 
    } 
} 
 
 
void G_ScreenShot (void) 
{ 
    gameaction = ga_screenshot; 
} 
 


// DOOM Par Times
int pars[4][10] = 
{ 
    {0}, 
    {0,30,75,120,90,165,180,180,30,165}, 
    {0,90,90,90,120,90,360,240,30,170}, 
    {0,90,45,90,150,90,90,165,30,135} 
}; 

// DOOM II Par Times
int cpars[32] =
{
    30,90,120,120,90,150,120,120,270,90,	//  1-10
    210,150,150,150,210,150,420,150,210,150,	// 11-20
    240,150,180,150,150,300,330,420,300,180,	// 21-30
    120,30					// 31-32
};
 

//
// G_DoCompleted 
//
boolean		secretexit; 
extern char*	pagename; 
 
void G_ExitLevel (void) 
{ 
    secretexit = false; 
    gameaction = ga_completed; 
}