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catacomb.c
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catacomb.c
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/* The Catacomb Source Code
* Copyright (C) 1993-2014 Flat Rock Software
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
** catacomb II -- the c translation...
*/
#ifdef _MSC_VER
#include <io.h>
#else
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/stat.h>
#include "catdefs.h"
#include "catacomb.h"
#include "pcrlib.h"
#include "ngrabca2.h"
#include "sounds.h"
/*=================*/
/* */
/* typed constants */
/* */
/*=================*/
char altmeters[14][14] = {
{127,127,127,127,127,127,127,127,127,127,127,127,127},
{23,127,127,127,127,127,127,127,127,127,127,127,127},
{23,25,127,127,127,127,127,127,127,127,127,127,127},
{23,24,25,127,127,127,127,127,127,127,127,127,127},
{23,24,24,25,127,127,127,127,127,127,127,127,127},
{23,24,24,24,25,127,127,127,127,127,127,127,127},
{23,24,24,24,24,25,127,127,127,127,127,127,127},
{23,24,24,24,24,24,25,127,127,127,127,127,127},
{23,24,24,24,24,24,24,25,127,127,127,127,127},
{23,24,24,24,24,24,24,24,25,127,127,127,127},
{23,24,24,24,24,24,24,24,24,25,127,127,127},
{23,24,24,24,24,24,24,24,24,24,25,127,127},
{23,24,24,24,24,24,24,24,24,24,24,25,127},
{23,24,24,24,24,24,24,24,24,24,24,24,25} };
char meters[14][14] = {
{127,127,127,127,127,127,127,127,127,127,127,127,127},
{26,127,127,127,127,127,127,127,127,127,127,127,127},
{26,28,127,127,127,127,127,127,127,127,127,127,127},
{26,27,28,127,127,127,127,127,127,127,127,127,127},
{26,27,27,28,127,127,127,127,127,127,127,127,127},
{26,27,27,27,28,127,127,127,127,127,127,127,127},
{26,27,27,27,27,28,127,127,127,127,127,127,127},
{26,27,27,27,27,27,28,127,127,127,127,127,127},
{26,27,27,27,27,27,27,28,127,127,127,127,127},
{26,27,27,27,27,27,27,27,28,127,127,127,127},
{26,27,27,27,27,27,27,27,27,28,127,127,127},
{26,27,27,27,27,27,27,27,27,27,28,127,127},
{26,27,27,27,27,27,27,27,27,27,27,28,127},
{26,27,27,27,27,27,27,27,27,27,27,27,28} };
dirtype opposite[9] =
{south,west,north,east,southwest,northwest,northeast,southeast,nodir};
/*==================*/
/* */
/* global variables */
/* */
/*==================*/
exittype gamexit; /*determines what to do after playloop*/
int oldtiles [NUMTILES]; /*tile displayed last refresh*/
int background[87][86]; /*base map*/
int view[87][86]; /*base map with objects drawn in*/
int originx, originy; /*current world location of ul corn*/
byte priority [maxpics+1]; /*tile draw overlap priorities*/
sword items[6],saveitems[6];
int shotpower; /*0-13 characters in power meter*/
int side; /*which side shots come from*/
int boltsleft; /*number of shots left in a bolt*/
activeobj o[maxobj+1],saveo[1]; /*everything that moves is here*/
objtype obj , altobj; /*total info about objecton and alt*/
int altnum; /*o[#] of altobj*/
int numobj,objecton; /*number of objects in o now*/
objdeftype objdef [lastclass];
boolean playdone, leveldone;
boolean tempb;
char *tempp;
int chkx,chky,chkspot; /*spot being checked by walk*/
word frameon;
char *grmem;
classtype clvar;
int VGAPAL; // just to make pcrlib happy
boolean exitdemo,resetgame;
statetype gamestate;
ControlStruct ctrl;
char *pics, *picsexact;
unsigned EGADATASTART;
sdword savescore;
//NOLAN ADDED
boolean GODMODE = false;
/****************************************************************************/
//////////////////////////////////
//
// function prototypes
//
//////////////////////////////////
extern void drawobj (void);
extern void eraseobj (void);
extern void doall (void);
extern void cgarefresh (void);
extern void egarefresh (void);
void dofkeys (void);
/*==============================*/
/* */
/* xxxrefresh */
/* refresh the changed areas of */
/* the tiles map in the various */
/* graphics modes. */
/* */
/*==============================*/
char demowin [5][16] = {
{14,15,15,15,15,15,15,15,15,15,15,15,15,15,15,16},
{17,' ','-','-','-',' ','D','E','M','O',' ','-','-','-',' ',18},
{17,'S','P','A','C','E',' ','T','O',' ','S','T','A','R','T',18},
{17,'F','1',' ','T','O',' ','G','E','T',' ','H','E','L','P',18},
{19,20,20,20,20,20,20,20,20,20,20,20,20,20,20,21} };
void refresh (void)
{
int x,y,basex,basey;
word underwin [5][16];
basex=originx+4;
basey=originy+17;
if (indemo)
{
for (y=0; y<=4; y++)
for (x=0; x<=15; x++)
{
underwin[y][x]=view[y+basey][x+basex];
view[y+basey][x+basex]=demowin[y][x];
};
}
WaitVBL ();
if (grmode==CGAgr)
cgarefresh();
else
egarefresh();
if (indemo)
{
for (y=0; y<=4; y++)
for (x=0; x<=15; x++)
view[y+basey][x+basex]=underwin[y][x];
}
WaitVBL ();
}
void simplerefresh(void)
{
WaitVBL ();
if (grmode==CGAgr)
cgarefresh();
else
egarefresh();
}
/*
===================
=
= loadgrfiles
=
= Loads the tiles and sprites, and sets up the pointers and tables
=
===================
*/
void loadgrfiles ()
{
if (picsexact != NULL)
free (picsexact);
if (grmode==CGAgr)
{
picsexact = pics = (char *)bloadin("CGACHARS.CA2");
installgrfile ("CGAPICS.CA2",0,0);
}
else
{
picsexact = pics = (char *)bloadin("EGACHARS.CA2");
installgrfile ("EGAPICS.CA2",0,0);
}
}
/*======================================*/
/* */
/* restore */
/* redraws every tile on the tiled area */
/* by setting oldtiles to -1. used to */
/* erase any temporary windows. */
/* */
/*======================================*/
void clearold (void)
{
memset (&oldtiles,0xff,sizeof(oldtiles)); /*clear all oldtiles*/
};
void restore (void)
{
clearold ();
simplerefresh ();
};
/* */
/* help */
/* */
boolean wantmore (void)
{
sx=2;
sy=20;
print ("(space for more/esc)");
sx=12;
sy=21;
ch = get ();
if (ch==27)
return false;
return true;
};
/* */
/* charpic */
/* */
static void charpic(int x,int y, classtype c, dirtype dir, int stage)
{
int xx,yy,size,tilenum;
size=objdef[c].size;
tilenum=objdef[c].firstchar+size*size
* ((dir & objdef[c].dirmask)*objdef[c].stages+stage);
for (yy=y;yy<=y+size-1;yy++)
for (xx=x;xx<=x+size-1;xx++)
drawchartile (xx,yy,tilenum++);
};
void help (void)
{
int x,y;
centerwindow (20,20);
print (" C A T A C O M B \n");
print (" - - - - - - - \n");
print (" by John Carmack \n");
print (" \n");
print ("\n");
print ("f1 = help \n");
print ("f2 = control panel \n");
print ("f3 = game reset \n");
print ("f4 = save game \n");
print ("f5 = load saved game\n");
print ("f9 = pause \n");
print ("f10 / ESC = quit \n");
print ("\n");
print ("hit fire at the demo\n");
print ("to begin playing. \n");
if (!wantmore())
return;
centerwindow (20,20);
print ("\nKeyboard controls: \n\n");
print ("move : arrows \n");
print ("button1 : ctrl \n");
print ("button2 : alt \n");
print ("\nTo switch to mouse \n");
print ("or joystick control,\n");
print ("hit f2 \n");
if (!wantmore())
return;
centerwindow (20,20);
print ("Button 1 / ctrl key:\n");
print ("Builds shot power. \n");
print ("If the shot power \n");
print ("meter is full when \n");
print ("the button is \n");
print ("released, a super \n");
print ("shot will be \n");
print ("launched. \n");
print ("\n");
for (y=11; y<=18; y++)
for (x=3; x<=20; x++)
drawchartile (x,y,128);
charpic (4,14,player,east,2);
charpic (19,15,shot,east,1);
charpic (17,14,shot,east,0);
charpic (15,15,shot,east,1);
charpic (8,14,bigshot,east,0);
if (!wantmore())
return;
centerwindow (20,20);
print ("Button 2 / alt key:\n");
print ("Allows you to move \n");
print ("without changing the\n");
print ("direction you are \n");
print ("facing. Good for \n");
print ("searching walls and \n");
print ("fighting retreats. \n");
for (y=11; y<=18; y++)
for (x=3; x<=20; x++)
if (y==15)
drawchartile (x,y,129);
else if (y==16)
drawchartile (x,y,131);
else
drawchartile (x,y,128);
charpic (6,13,player,south,2);
sx=6;
sy=15;
print ("\35\35\36\36\37\37");
if (!wantmore())
return;
centerwindow (20,20);
print ("\"P\" or \"space\" will \n");
print ("take a healing \n");
print ("potion if you have \n");
print ("one. This restores \n");
print ("the body meter to \n");
print ("full strength. Keep\n");
print ("a sharp eye on the \n");
print ("meter, because when \n");
print ("it runs out, you are\n");
print ("dead! \n\n");
print ("\"B\" will cast a bolt\n");
print ("spell if you have \n");
print ("any. You can mow \n");
print ("down a lot of \n");
print ("monsters with a bit \n");
print ("of skill. \n");
if (!wantmore())
return;
centerwindow (20,20);
print ("\"N\" or \"enter\" will \n");
print ("cast a nuke spell. \n");
print ("This usually wipes \n");
print ("out all the monsters\n");
print ("near you. Consider \n");
print ("it a panic button \n");
print ("when you are being \n");
print ("mobbed by monsters! \n\n");
printchartile (" \200\200\200\n");
printchartile ("POTIONS: \200\242\200\n");
printchartile (" \200\200\200\n");
printchartile ("SCROLLS: \200\243\200\n");
printchartile (" (BOLTS/NUKES) \200\200\200\n");
printchartile ("TREASURE: \200\247\200\n");
printchartile (" (POINTS) \200\200\200\n");
printchartile (" \200\200\200\n");
wantmore();
};
/* */
/* reset */
/* */
void reset(void)
{
centerwindow (18,1);
print ("reset game (y/n)?");
ch= get ();
if (ch=='y')
{
gamexit=killed;
playdone=true;
};
};
/*=========================================================================*/
/*==============================*/
/* */
/* loadlevel / savelevel */
/* loads map level into memory, */
/* and sets everything up. */
/* */
/*==============================*/
void loadlevel(void)
{
int i;
classtype tokens[256-230] =
{player,teleporter,goblin,skeleton,ogre,gargoyle,dragon,turbogre,
guns,gune,secretgate,nothing,nothing,nothing,nothing,nothing,
nothing,nothing,nothing,nothing,nothing,nothing,nothing,nothing,
nothing,nothing};
char filename[64],st[64];
int x,y,xx,yy;
byte btile;
char sm[4096],rle[4096];
strcpy (filename,"LEVEL");
itoa (level,st,10);
strcat (filename,st);
strcat (filename,".CA2");
LoadFile (filename,rle);
RLEExpand(&rle[4],sm,4096);
numobj=0;
o[0].x=13; /*just defaults if no player token is found*/
o[0].y=13;
o[0].stage=0;
o[0].delay=0;
o[0].dir=east;
o[0].oldx=0;
o[0].oldy=0;
o[0].oldtile=-1;
for (yy=0; yy<64; yy++)
for (xx=0; xx<64; xx++)
{
btile=sm[yy*64+xx];
if (btile<230)
background[yy+topoff][xx+leftoff]=btile;
else
{
/*hit a monster token*/
background[yy+topoff][xx+leftoff]=blankfloor;
if (tokens[btile-230]==player)
/*the player token determines where you start in level*/
{
o[0].x=xx+topoff;
o[0].y=yy+leftoff;
}
else
/*monster tokens add to the object list*/
{
numobj++;
o[numobj].active=false;
o[numobj].class=tokens[btile-230];
o[numobj].x=xx+leftoff;
o[numobj].y=yy+topoff;
o[numobj].stage=0;
o[numobj].delay=0;
o[numobj].dir=(dirtype)(rndt()/64); /*random 0-3*/
o[numobj].hp=objdef[o[numobj].class].hitpoints;
// [BL] These were just x/y which are uninitialized
o[numobj].oldx=o[numobj].x;
o[numobj].oldy=o[numobj].y;
o[numobj].oldtile=-1;
};
};
};
originx = o[0].x-11;
originy = o[0].y-11;
shotpower=0;
for (y=topoff-1; y<65+topoff; y++)
for (x=leftoff-1; x<64+leftoff; x++)
view[y][x]=background[y][x];
sx=33; /*print the new level number on the right window*/
sy=1;
printint (level);
print (" "); /*in case it went from double to single digit*/
restore();
for (i=0;i<6;i++)
saveitems[i] = items[i];
savescore = score;
saveo[0] = o[0];
};
/*==========================================================================*/
/*
==============
=
= drawside
=
==============
*/
void drawside ()
{
int i;
for (sx=0;sx<40;sx++)
drawchar (sx,24,0);
for (sy=0;sy<24;sy++)
drawchar (39,sy,0);
drawwindow (24,0,38,23); /*draw the right side window*/
print (" level\n\nscore:\n\ntop :\n\nk:\np:\nb:\nn:\n\n");
print (" shot power\n\n\n body\n\n\n");
printhighscore();
printbody();
printshotpower();
printscore();
sx=33; /*print the new level number on the right window*/
sy=1;
printint (level);
drawpic (25*8,17*8,SIDEPIC);
for (i=1; i<=items[1] && i<11; i++)
drawchar (26+i,7,31); /*key icon*/
for (i=1; i<=items[2] && i<11; i++)
drawchar (26+i,8,29); /*potion icon*/
for (i=1; i<=items[3] && i<11; i++)
drawchar (26+i,9,30); /*scroll icon*/
for (i=1; i<=items[5] && i<11; i++)
drawchar (26+i,10,30); /*scroll icon*/
}
/*================================*/
/* */
/* playsetup */
/* set up all data for a new game */
/* does not start it playing */
/* */
/*================================*/
void playsetup()
{
int i;
shotpower=0;
bar (0,0,23,23,0);
if (level==0) // not restarting a saved game
{
for (i=1; i<6; i++)
items[i]=0;
score=0;
level=1;
o[0].active = true;
o[0].class = player;
o[0].hp = 13;
o[0].dir=west;
o[0].stage=0;
o[0].delay=0;
drawside ();
/*give them a few items to start with*/
givenuke();
givenuke();
givebolt();
givebolt();
givebolt();
givepotion();
givepotion();
givepotion();
}
else
drawside ();
};
/*
=============
=
= repaintscreen
=
=============
*/
void repaintscreen ()
{
switch (gamestate)
{
case intitle:
drawpic (0,0,TITLEPIC);
break;
case ingame:
restore ();
drawside ();
printscore ();
sx=33; /*print the new level number on the right window*/
sy=1;
printint (level);
break;
case inscores:
restore ();
drawside ();
printscore ();
sx=33; /*print the new level number on the right window*/
sy=1;
printint (level);
indemo = demoplay;
break;
default:
sx=sy=10;
print ("Bad gamestate!");
clearkeys ();
get();
}
}
/*
=============
=
= dofkeys
=
= Checks to see if an F-key is being pressed and handles it
=
=============
*/
void dofkeys (void)
{
int handle;
int key=bioskey(1);
if (key==SDL_SCANCODE_ESCAPE) // make ESC into F10
key=SDL_SCANCODE_F10;
if (key<SDL_SCANCODE_F1 || key>SDL_SCANCODE_F10)
return;
switch (key)
{
case SDL_SCANCODE_F1: // F1
clearkeys ();
help ();
break;
case SDL_SCANCODE_F2: // F2
clearkeys ();
controlpanel ();
break;
case SDL_SCANCODE_F3: // F3
clearkeys ();
expwin (18,1);
print ("RESET GAME (Y/N)?");
ch=toupper(get());
if (ch=='Y')
resetgame = true;
break;
case SDL_SCANCODE_F4: // F4
clearkeys ();
expwin (22,4);
if (indemo != notdemo)
{
print ("Can't save game here!");
get ();
break;
}
print ("Save as game #(1-9):");
ch=toupper(get());
drawchar (sx,sy,ch);
if (ch<'1' || ch>'9')
break;
//
// save game
//
strcpy (str,"GAME0.CA2");
str[4]=ch;
if (_Verify(str))
{
print ("\nGame exists,\noverwrite (Y/N)?");
ch=get();
if (ch!='Y' && ch!='y')
break;
sx=leftedge;
print (" ");
sy--;
sx=leftedge;
print (" ");
sx=leftedge;
sy--;
}
if ((handle = open(str, O_WRONLY | O_BINARY | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE)) == -1)
return;
write(handle, &saveitems, sizeof(items));
write(handle, &savescore, sizeof(score));
write(handle, &level, sizeof(level));
write(handle, &saveo[0],sizeof(o[0]));
close(handle);
print ("\nGame saved. Hit F5\n");
print ("when you wish to\n");
print ("restart the game.");
get();
break;
case SDL_SCANCODE_F5: // F5
clearkeys ();
expwin (22,4);
print ("Load game #(1-9):");
ch=toupper(get());
drawchar (sx,sy,ch);
if (ch<'1' || ch>'9')
break;
//
// load game
//
strcpy (str,"GAME0.CA2");
str[4]=ch;
if ((handle = open(str, O_RDONLY | O_BINARY, S_IWRITE | S_IREAD)) == -1)
{
print ("\nGame not found.");
get ();
break;
}
read(handle, &items, sizeof(items));
read(handle, &score, sizeof(score));
read(handle, &level, sizeof(level));
read(handle, &o[0],sizeof(o[0]));
close(handle);
exitdemo = true;
if (indemo != notdemo)
playdone = true;
drawside (); // draw score, icons, etc
leveldone = true;
break;
case SDL_SCANCODE_F9: // F9
clearkeys ();
expwin (7,1);
print ("PAUSED");
get ();
break;
case SDL_SCANCODE_F10: // F10
clearkeys ();
expwin (12,1);
print ("QUIT (Y/N)?");
ch=toupper(get());
if (ch=='Y')
_quit ("");
break;
default:
return;
}
clearold ();
clearkeys ();
repaintscreen ();
}
/*=========================================================================*/
/*
=============
=
= dotitlepage
=
=============
*/
void dotitlepage (void)
{
int i;
drawpic (0,0,TITLEPIC);
UpdateScreen();
gamestate=intitle;
for (i=0;i<300;i++)
{
WaitVBL ();
indemo = notdemo;
ctrl = ControlPlayer (1);
if (ctrl.button1 || ctrl.button2 || keydown[SDL_SCANCODE_SPACE])
{
level = 0;
exitdemo = true;
break;
}
indemo = demoplay;
if (bioskey (1))
{
dofkeys ();
UpdateScreen();
}
if (exitdemo)
break;
}
gamestate=ingame;
}
/*=========================================================================*/
/*
=============
=
= doendpage
=
=============
*/
void doendpage (void)
{
WaitEndSound();
drawpic (0,0,ENDPIC);
PlaySound (TREASURESND);
WaitEndSound();
PlaySound (TREASURESND);
WaitEndSound();
PlaySound (TREASURESND);
WaitEndSound();
PlaySound (TREASURESND);
WaitEndSound();
drawwindow (0,0,17,9);
print ("Congratulation! \n");
print ("One as skilled \n");
print ("as yourself \n");
print ("deserves the \n");
print ("10,000,000 gold \n");
print ("you pulled out \n");
print ("of the palace! ");
clearkeys();
get ();
drawwindow (0,0,17,9);
print ("Let us know what\n");
print ("you enjoyed \n");
print ("about this game,\n");
print ("so we can give \n");
print ("you more of it. \n");
print ("Thank you for \n");
print ("playing!");
get ();
}
/*=========================================================================*/
/*
=============
=
= dodemo
=
= Shows a random demo
=
=============
*/
void dodemo (void)
{
int i;
while (!exitdemo)
{
dotitlepage ();
if (exitdemo)
break;
i=rnd(NUMDEMOS-1)+1;
LoadDemo (i);
level=0;
playsetup ();
playloop ();
if (exitdemo)
break;
level = 0;
gamestate=inscores;
indemo = demoplay;
_showhighscores ();
UpdateScreen();
for (i=0;i<500;i++)
{
WaitVBL ();
indemo = notdemo;
ctrl = ControlPlayer (1);
if (ctrl.button1 || ctrl.button2 || keydown[SDL_SCANCODE_SPACE])
{
exitdemo = true;
break;
}
if (bioskey (1))
dofkeys ();
if (exitdemo)
break;
}
}
}
/*=========================================================================*/
/*
============
=
= gameover
=
= End game, check for high score
=
============
*/
void gameover (void)
{
int i;
expwin (11,4);
print ("\n GAME OVER\n ");
UpdateScreen ();
WaitEndSound ();
for (i=0;i<120;i++)
WaitVBL ();
gamestate=inscores;
_checkhighscore ();
level = 0;
for (i=0;i<500;i++)
{
WaitVBL ();