f_finale.c

DOOM游戏的源码,研究DOS下游戏设计

// 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:
//	Game completion, final screen animation.
//
//-----------------------------------------------------------------------------


static const char
rcsid[] = "$Id: f_finale.c,v 1.5 1997/02/03 21:26:34 b1 Exp $";

#include <ctype.h>

// Functions.
#include "i_system.h"
#include "m_swap.h"
#include "z_zone.h"
#include "v_video.h"
#include "w_wad.h"
#include "s_sound.h"

// Data.
#include "dstrings.h"
#include "sounds.h"

#include "doomstat.h"
#include "r_state.h"

// ?
//#include "doomstat.h"
//#include "r_local.h"
//#include "f_finale.h"

// Stage of animation:
//  0 = text, 1 = art screen, 2 = character cast
int		finalestage;

int		finalecount;

#define	TEXTSPEED	3
#define	TEXTWAIT	250

char*	e1text = E1TEXT;
char*	e2text = E2TEXT;
char*	e3text = E3TEXT;
char*	e4text = E4TEXT;

char*	c1text = C1TEXT;
char*	c2text = C2TEXT;
char*	c3text = C3TEXT;
char*	c4text = C4TEXT;
char*	c5text = C5TEXT;
char*	c6text = C6TEXT;

char*	p1text = P1TEXT;
char*	p2text = P2TEXT;
char*	p3text = P3TEXT;
char*	p4text = P4TEXT;
char*	p5text = P5TEXT;
char*	p6text = P6TEXT;

char*	t1text = T1TEXT;
char*	t2text = T2TEXT;
char*	t3text = T3TEXT;
char*	t4text = T4TEXT;
char*	t5text = T5TEXT;
char*	t6text = T6TEXT;

char*	finaletext;
char*	finaleflat;

void	F_StartCast (void);
void	F_CastTicker (void);
boolean F_CastResponder (event_t *ev);
void	F_CastDrawer (void);

extern boolean plutonia, tnt;

void WriteDebug(char *);

//
// F_StartFinale
//
void F_StartFinale (void)
{
    gameaction = ga_nothing;
    gamestate = GS_FINALE;
    viewactive = false;
    automapactive = false;

    // Okay - IWAD dependend stuff.
    // This has been changed severly, and
    //  some stuff might have changed in the process.
    switch ( gamemode )
    {

      // DOOM 1 - E1, E3 or E4, but each nine missions
      case shareware:
      case registered:
      case retail:
      {
	S_ChangeMusic(mus_victor, true);
	
	switch (gameepisode)
	{
	  case 1:
	    finaleflat = "FLOOR4_8";
	    finaletext = e1text;
	    break;
	  case 2:
	    finaleflat = "SFLR6_1";
	    finaletext = e2text;
	    break;
	  case 3:
	    finaleflat = "MFLR8_4";
	    finaletext = e3text;
	    break;
	  case 4:
	    finaleflat = "MFLR8_3";
	    finaletext = e4text;
	    break;
	  default:
	    // Ouch.
	    break;
	}
	break;
      }
      
      // DOOM II and missions packs with E1, M34
      case commercial:
      {
	  S_ChangeMusic(mus_read_m, true);

	  switch (gamemap)
	  {
	    case 6:
	      finaleflat = "SLIME16";
          if (tnt == TRUE)
             finaletext = t1text;
          else
          if (plutonia == TRUE)
             finaletext = p1text;
          else
	         finaletext = c1text;
	      break;
	    case 11:
	      finaleflat = "RROCK14";
          if (tnt == TRUE)
             finaletext = t2text;
          else
          if (plutonia == TRUE)
             finaletext = p2text;
          else
	      finaletext = c2text;
	      break;
	    case 20:
	      finaleflat = "RROCK07";
          if (tnt == TRUE)
             finaletext = t3text;
          else
          if (plutonia == TRUE)
             finaletext = p3text;
          else
	      finaletext = c3text;
	      break;
	    case 30:
	      finaleflat = "RROCK17";
          if (tnt == TRUE)
             finaletext = t4text;
          else
          if (plutonia == TRUE)
             finaletext = p4text;
          else
	      finaletext = c4text;
	      break;
	    case 15:
	      finaleflat = "RROCK13";
          if (tnt == TRUE)
             finaletext = t5text;
          else
          if (plutonia == TRUE)
             finaletext = p5text;
          else
	      finaletext = c5text;
	      break;
	    case 31:
	      finaleflat = "RROCK19";
          if (tnt == TRUE)
             finaletext = t6text;
          else
          if (plutonia == TRUE)
             finaletext = p6text;
          else
	      finaletext = c6text;
	      break;
	    default:
	      // Ouch.
	      break;
	  }
	  break;
      }	

   
      // Indeterminate.
      default:
	S_ChangeMusic(mus_read_m, true);
	finaleflat = "F_SKY1"; // Not used anywhere else.
	finaletext = c1text;  // FIXME - other text, music?
	break;
    }
    
    finalestage = 0;
    finalecount = 0;
	
}



boolean F_Responder (event_t *event)
{
    if (finalestage == 2)
	return F_CastResponder (event);
	
    return false;
}


//
// F_Ticker
//
void F_Ticker (void)
{
    int		i;
    
    // check for skipping
    if ( (gamemode == commercial)
      && ( finalecount > 50) )
    {
      // go on to the next level
      for (i=0 ; i<MAXPLAYERS ; i++)
	if (players[i].cmd.buttons)
	  break;
				
      if (i < MAXPLAYERS)
      {	
	if (gamemap == 30)
	  F_StartCast ();
	else
	  gameaction = ga_worlddone;
      }
    }
    
    // advance animation
    finalecount++;
	
    if (finalestage == 2)
    {
	F_CastTicker ();
	return;
    }
	
    if ( gamemode == commercial)
	return;
		
    if (!finalestage && (unsigned)finalecount>strlen (finaletext)*TEXTSPEED + TEXTWAIT)
    {
	finalecount = 0;
	finalestage = 1;
	wipegamestate = -1;		// force a wipe
	if (gameepisode == 3)
	    S_StartMusic (mus_bunny);
    }
}



//
// F_TextWrite
//

#include "hu_stuff.h"
extern	patch_t *hu_font[HU_FONTSIZE];


void F_TextWrite (void)
   {
    byte*	src;
    byte*	dest;
    
    int		x,y,w;
    int		count;
    char*	ch;
    int		c;
    int		cx;
    int		cy;
    
    // erase the entire screen to a tiled background
    src = W_CacheLumpName ( finaleflat , PU_CACHE);
    dest = screens[0];
	
    for (y = 0; y < SCREENHEIGHT; y++)
       {
        for (x = 0; x < SCREENWIDTH/64; x++)
           {
            memcpy (dest, src+((y&63)<<6), 64);
            dest += 64;
           }
       if (SCREENWIDTH&63)
          {
           memcpy (dest, src+((y&63)<<6), SCREENWIDTH&63);
           dest += (SCREENWIDTH&63);
          }
      }

    V_MarkRect (0, 0, SCREENWIDTH, SCREENHEIGHT);
    
    // draw some of the text onto the screen
    cx = ((SCREENWIDTH-320)/2)+10;
    cy = ((SCREENHEIGHT-200)/2)+10;
    ch = finaletext;
	
    count = (finalecount - 10)/TEXTSPEED;
    if (count < 0)
        count = 0;
    for ( ; count ; count-- )
       {
        c = *ch++;
        if (!c)
            break;
        if (c == '\n')
           {
            cx = ((SCREENWIDTH-320)/2)+10;
            cy += 11;
            continue;
           }
	
        c = toupper(c) - HU_FONTSTART;
        if (c < 0 || c> HU_FONTSIZE)
           {
            cx += 4;
            continue;
           }
	
        w = SHORT (hu_font[c]->width);
        if (cx+w > SCREENWIDTH)
            break;
        V_DrawPatch(cx, cy, 0, hu_font[c]);
        cx += w;
       }
   }

//
// Final DOOM 2 animation
// Casting by id Software.
//   in order of appearance
//
typedef struct
{
    char		*name;
    mobjtype_t	type;
} castinfo_t;

castinfo_t	castorder[] = {
    {CC_ZOMBIE, MT_POSSESSED},
    {CC_SHOTGUN, MT_SHOTGUY},
    {CC_HEAVY, MT_CHAINGUY},
    {CC_IMP, MT_TROOP},
    {CC_DEMON, MT_SERGEANT},
    {CC_LOST, MT_SKULL},
    {CC_CACO, MT_HEAD},
    {CC_HELL, MT_KNIGHT},
    {CC_BARON, MT_BRUISER},
    {CC_ARACH, MT_BABY},
    {CC_PAIN, MT_PAIN},
    {CC_REVEN, MT_UNDEAD},