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C5_GAME.C
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/* Catacomb Armageddon 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.
*/
// C3_GAME.C
#include <stdlib.h>
#include "DEF.H"
#include "gelib.h"
#pragma hdrstop
#ifdef PROFILE
#include "TIME.H"
#endif
/*
=============================================================================
LOCAL CONSTANTS
=============================================================================
*/
#define NUMLUMPS 61
#define SUCCUBUSLUMP 0
#define FATDEMONLUMP 1
#define BOLTLUMP 2
#define NUKELUMP 3
#define POTIONLUMP 4
#define RKEYLUMP 5
#define YKEYLUMP 6
#define GKEYLUMP 7
#define BKEYLUMP 8
//#define SCROLLLUMP 9
#define CHESTLUMP 10
#define PLAYERLUMP 11
#define WALL1LUMP 12
#define WALL2LUMP 13
#define BDOORLUMP 14
#define GODESSLUMP 15
#define MAGELUMP 16
#define BATLUMP 17
#define GRELLUMP 18
#define TOMBSTONESLUMP 19
#define ZOMBIELUMP 20
#define ANTLUMP 21
#define SKELETONLUMP 22
#define RGEMLUMP 23
#define GGEMLUMP 24
#define BGEMLUMP 25
#define YGEMLUMP 26
#define PGEMLUMP 27
//#define RKEY2LUMP 28
#define DRAGONLUMP 29
#define OBJ_WARPLUMP 30
#define EYELUMP 31
#define REDDEMONLUMP 32
//#define PITLUMP 33
#define FTIMELUMP 34
#define WATERCHESTLUMP 35
#define TREELUMP 36
#define ARCH1LUMP 37
#define BUNNYLUMP 38
#define ANTHILLLUMP 39
#define COLUMNLUMP 40
#define SULPHURGASLUMP 41
#define FIREPOTLUMP 42
//#define WHIRLPOOLLUMP 43
#define FOUNTAINLUMP 44
#define FORCEFIELDLUMP 45
#define ARCH2LUMP 46
#define ARCH3LUMP 47
#define ARCH4LUMP 48
#define ARCH5LUMP 49
#define ARCH6LUMP 50
#define SKELHANGLUMP 51
//#define SKELPILELUMP 52
#define ARCH7LUMP 53
#define ARCH8LUMP 54
#define ARCH9LUMP 55
#define ARCH10LUMP 56
#define ARCH11LUMP 57
#define ARCH12LUMP 58
#define ARCH13LUMP 59
int lumpstart[NUMLUMPS] = {
SUCCUBUS_LUMP_START,
FATDEMON_LUMP_START,
BOLT_LUMP_START,
NUKE_LUMP_START,
POTION_LUMP_START,
RKEY_LUMP_START,
YKEY_LUMP_START,
GKEY_LUMP_START,
BKEY_LUMP_START,
0,
//SCROLL_LUMP_START,
CHEST_LUMP_START,
PLAYER_LUMP_START,
//WALL1_LUMP_START,
//WALL2_LUMP_START,
//BDOOR_LUMP_START,
0,0,0,
GODESS_LUMP_START,
MAGE_LUMP_START,
BAT_LUMP_START,
GREL_LUMP_START,
TOMBSTONES_LUMP_START,
ZOMBIE_LUMP_START,
ANT_LUMP_START,
SKELDUDE_LUMP_START,
RGEM_LUMP_START,
GGEM_LUMP_START,
BGEM_LUMP_START,
YGEM_LUMP_START,
PGEM_LUMP_START,
0, //RKEY2_LUMP_START,
DRAGON_LUMP_START,
OBJ_WARP_LUMP_START,
EYE_LUMP_START,
REDDEMON_LUMP_START,
0, //PIT_LUMP_START,
TIME_LUMP_START,
O_WATER_CHEST_LUMP_START,
TREE_LUMP_START,
ARCH1_LUMP_START,
BUNNY_LUMP_START,
ANTHILL_LUMP_START,
COLUMN_LUMP_START,
SULPHURGAS_LUMP_START,
FIREPOT_LUMP_START,
0, //WHIRLPOOL_LUMP_START,
FOUNTAIN_LUMP_START,
FORCEFIELD_LUMP_START,
ARCH2_LUMP_START,
ARCH3_LUMP_START,
ARCH4_LUMP_START,
ARCH5_LUMP_START,
ARCH6_LUMP_START,
SKELHANG_LUMP_START,
0, //SKELPILE_LUMP_START,
ARCH7_LUMP_START,
ARCH8_LUMP_START,
ARCH9_LUMP_START,
ARCH10_LUMP_START,
ARCH11_LUMP_START,
ARCH12_LUMP_START,
ARCH13_LUMP_START,
};
int lumpend[NUMLUMPS] = {
SUCCUBUS_LUMP_END,
FATDEMON_LUMP_END,
BOLT_LUMP_END,
NUKE_LUMP_END,
POTION_LUMP_END,
RKEY_LUMP_END,
YKEY_LUMP_END,
GKEY_LUMP_END,
BKEY_LUMP_END,
0,
//SCROLL_LUMP_END,
CHEST_LUMP_END,
PLAYER_LUMP_END,
0,0,0,
GODESS_LUMP_END,
MAGE_LUMP_END,
BAT_LUMP_END,
GREL_LUMP_END,
TOMBSTONES_LUMP_END,
ZOMBIE_LUMP_END,
ANT_LUMP_END,
SKELDUDE_LUMP_END,
RGEM_LUMP_END,
GGEM_LUMP_END,
BGEM_LUMP_END,
YGEM_LUMP_END,
PGEM_LUMP_END,
0, //RKEY2_LUMP_END,
DRAGON_LUMP_END,
OBJ_WARP_LUMP_END,
EYE_LUMP_END,
REDDEMON_LUMP_END,
0, //PIT_LUMP_END,
TIME_LUMP_END,
O_WATER_CHEST_LUMP_END,
TREE_LUMP_END,
ARCH1_LUMP_END,
BUNNY_LUMP_END,
ANTHILL_LUMP_END,
COLUMN_LUMP_END,
SULPHURGAS_LUMP_END,
FIREPOT_LUMP_END,
0, //WHIRLPOOL_LUMP_END,
FOUNTAIN_LUMP_END,
FORCEFIELD_LUMP_END,
ARCH2_LUMP_END,
ARCH3_LUMP_END,
ARCH4_LUMP_END,
ARCH5_LUMP_END,
ARCH6_LUMP_END,
SKELHANG_LUMP_END,
0, //SKELPILE_LUMP_END,
ARCH7_LUMP_END,
ARCH8_LUMP_END,
ARCH9_LUMP_END,
ARCH10_LUMP_END,
ARCH11_LUMP_END,
ARCH12_LUMP_END,
ARCH13_LUMP_END,
};
//extern unsigned scolor,gcolor;
/*
=============================================================================
GLOBAL VARIABLES
=============================================================================
*/
unsigned latchpics[NUMLATCHPICS];
unsigned tileoffsets[NUMTILE16];
unsigned textstarts[27];
boolean splitscreen=false;
/*
=============================================================================
LOCAL VARIABLES
=============================================================================
*/
boolean lumpneeded[NUMLUMPS];
//===========================================================================
//==========================================================================
//
//
// LOCAL PROTOTYPES
//
//
//==========================================================================
void CashPoints(void);
/*
==========================
=
= ScanInfoPlane
=
= Spawn all actors and mark down special places
=
==========================
*/
void ScanInfoPlane (void)
{
unsigned char hibyte;
unsigned x,y,i,j;
unsigned int tile;
unsigned far *start;
InitObjList(); // start spawning things with a clean slate
scolor = gcolor = 0;
skycolor = &scolor;
groundcolor = &gcolor;
memset (lumpneeded,0,sizeof(lumpneeded));
start = mapsegs[2];
for (y=0;y<mapheight;y++)
for (x=0;x<mapwidth;x++)
{
tile = *start++;
hibyte = tile >> 8;
tile &= 0xff;
switch (hibyte)
{
char hi;
case 0xFB:
wall_anim_time = tile;
tile = 0;
break;
case 0xfa: // sky/ground color
case 0xf9: // sky/ground 'strip'
x++;
tile = *start++;
hi = tile >> 8;
tile &= 0xff;
switch (hibyte)
{
case 0xfa: // sky / ground color
scolor = ((hi)|(hi<<8));
gcolor = ((tile)|(tile<<8));
skycolor = &scolor;
groundcolor = &gcolor;
break;
case 0xf9: // sky / ground 'strip'
break;
}
break;
}
if ((!tile) || (hibyte))
continue;
switch (tile)
{
case 1:
case 2:
case 3:
case 4:
lumpneeded[PLAYERLUMP] = true;
SpawnPlayer(x,y,NORTH+tile-1);
break;
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
lumpneeded[tile-5+BOLTLUMP] = true;
SpawnBonus(x,y,tile-5);
break;
#if 0
case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
case 19:
lumpneeded[SCROLLLUMP] = true;
SpawnBonus(x,y,B_SCROLL1+tile-12);
break;
#endif
case 20:
lumpneeded[REDDEMONLUMP] = true;
SpawnRedDemon (x,y);
break;
#if 0
case 20: // goal
lumpneeded[GOALLUMP] = true;
SpawnBonus(x,y,B_GOAL);
break;
#endif
case 21:
lumpneeded[GODESSLUMP] = true;
SpawnGodess (x,y);
break;
case 22:
lumpneeded[FATDEMONLUMP] = true;
SpawnFatDemon (x,y);
break;
case 23:
lumpneeded[SUCCUBUSLUMP] = true;
SpawnSuccubus (x,y);
break;
case 24:
lumpneeded[DRAGONLUMP] = true;
SpawnDragon(x,y);
break;
case 25:
lumpneeded[BATLUMP] = true;
SpawnBat (x,y);
break;
case 26:
lumpneeded[EYELUMP] = true;
SpawnEye(x,y);
break;
case 27:
lumpneeded[MAGELUMP] = true;
SpawnMage (x,y);
break;
case 28:
lumpneeded[RKEYLUMP] = lumpneeded[GRELLUMP] = true;
SpawnGrelminar (x,y);
break;
case 30:
lumpneeded[ANTLUMP] = true;
SpawnAnt(x,y);
break;
case 31:
case 32:
case 33:
case 34:
case 35:
lumpneeded[OBJ_WARPLUMP] = true;
SpawnWarp (x,y,tile-30);
break;
case 36:
lumpneeded[ZOMBIELUMP] = true;
SpawnZombie(x,y);
break;
case 37:
lumpneeded[SKELETONLUMP] = true;
SpawnSkeleton(x,y);
break;
case 38:
lumpneeded[SKELETONLUMP] = true;
SpawnWallSkeleton(x,y);
break;
case 39:
lumpneeded[FTIMELUMP] = true;
SpawnFTime(x,y);
break;
case 40:
case 41:
case 42:
case 43:
case 44:
lumpneeded[tile-40+RGEMLUMP] = true;
SpawnBonus(x,y,tile-40+B_RGEM);
break;
case 45:
case 46:
case 47:
lumpneeded[TOMBSTONESLUMP] = true;
SpawnTombstone(x,y,tile-45);
break;
#if 0
case 48:
lumpneeded[PITLUMP] = true;
SpawnWarp(x,y,0);
break;
#endif
case 49: // chest
if (gcolor == 0x0101)
lumpneeded[WATERCHESTLUMP] = true;
else
lumpneeded[CHESTLUMP] = true;
SpawnBonus(x,y,B_CHEST);
break;
case 50:
lumpneeded[TREELUMP] = true;
SpawnTree(x,y);
break;
case 51:
lumpneeded[BUNNYLUMP] = true;
SpawnBunny(x,y);
break;
case 52:
lumpneeded[ARCH1LUMP] = true;
SpawnArch(x,y,1);
break;
case 53:
lumpneeded[ANTHILLLUMP] = true;
SpawnWarp(x,y,0);
break;
case 54:
lumpneeded[COLUMNLUMP] = true;
SpawnMiscObjects(x,y,1); //1=column,2=sulphur hole,3=fire pot,4=fountain
break;
case 55:
lumpneeded[SULPHURGASLUMP] = true;
SpawnMiscObjects(x,y,2);
break;
case 56:
lumpneeded[FIREPOTLUMP] = true;
SpawnMiscObjects(x,y,3);
break;
case 57:
lumpneeded[ARCH13LUMP] = true;
SpawnArch(x,y,13);
break;
case 58:
lumpneeded[FOUNTAINLUMP] = true;
SpawnMiscObjects(x,y,4);
break;
case 59:
lumpneeded[FORCEFIELDLUMP] = true;
SpawnForceField(x,y);
break;
case 60:
lumpneeded[ARCH2LUMP] = true;
SpawnArch(x,y,2);
break;
case 61:
lumpneeded[ARCH3LUMP] = true;
SpawnArch(x,y,3);
break;
case 62:
lumpneeded[ARCH4LUMP] = true;
SpawnArch(x,y,4);
break;
case 63:
lumpneeded[ARCH5LUMP] = true;
SpawnArch(x,y,5);
break;
case 64:
lumpneeded[ARCH6LUMP] = true;
SpawnArch(x,y,6);
break;
case 65:
lumpneeded[SKELHANGLUMP] = true;
lumpneeded[SKELETONLUMP] = true;
SpawnSkeletonHanging(x,y);
break;
case 66:
lumpneeded[ARCH12LUMP] = true;
SpawnArch(x,y,12);
break;
case 67:
lumpneeded[ARCH7LUMP] = true;
SpawnArch(x,y,7);
break;
case 68:
lumpneeded[ARCH8LUMP] = true;
SpawnArch(x,y,8);
break;
case 69:
lumpneeded[ARCH9LUMP] = true;
SpawnArch(x,y,9);
break;
case 70:
lumpneeded[ARCH10LUMP] = true;
SpawnArch(x,y,10);
break;
case 71:
lumpneeded[ARCH11LUMP] = true;
SpawnArch(x,y,11);
break;
}
}
}
//==========================================================================
/*
==================
=
= ScanText
=
==================
*/
void ScanText (void)
{
int i;
char far *text;
text = (char _seg *)grsegs[LEVEL1TEXT+mapon];
textstarts[0] = 0;
for (i=1;i<=26;i++)
{
while (*text != '\n')
{
if (*text == '\r')
*text = 0;
text++;
}
text++;
textstarts[i] = FP_OFF(text);
}
}
//==========================================================================
/*
==================
=
= DrawEnterScreen
=
==================
*/
#if 0
static char *levelnames[] =
{
"Programmers Test Map",
"The Garden of Tears",
"The Den of Zombies",
"The Mausoleum Grounds",
"The Main Floor of the Mausoleum",
"Mike's Blastable Passage",
"The Crypt of Nemesis the Undead",
"The Subterranean Vault",
"The Ancient Aqueduct",
"The Orc Mines",
"The Lair of the Troll",
"The Demon's Inferno",
"The Battleground of the Titans",
"The Coven of Mages",
"The Inner Sanctum",
"The Haunt of Nemesis",
"The Passage to the Surface",
"Big Jim's Domain",
"Nolan",
"19",
"20",
"21",
"22",
"23",
"24",
"25",
"26",
"27",
"28",
"29",
"30",
"31",
"32",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
};
#endif
void DrawEnterScreen (void)
{
int width;
bufferofs = displayofs = screenloc[screenpage];
VW_Bar(0,0,VIEWWIDTH,VIEWHEIGHT,0);
// width = strlen(levelnames[gamestate.mapon]);
width = strlen("You enter a new area ...");
if (width < 20)
width = 20;
CenterWindow(width,3);
US_CPrint("\nYou enter a new area ...\n");
// US_CPrint(levelnames[gamestate.mapon]);
}
//==========================================================================
boolean tileneeded[NUMFLOORS];
/*
==================
=
= CacheScaleds
=
==================
*/
void CacheScaleds (void)
{
int i,j;
unsigned source,dest;
FreeUpMemory ();
CA_CacheGrChunk(LEVEL1TEXT+mapon);
ScanText ();
//
// make sure we are displaying screenpage 0
//
if (screenpage)
{
source = screenloc[screenpage];
dest = screenloc[0];
VW_ScreenToScreen (source,dest,40,VIEWHEIGHT);
screenpage = 0;
VW_SetScreen (dest,0);
displayofs = dest;
}
//
// cache wall pictures
//
for (i=1;i<NUMFLOORS;i++)
if (tileneeded[i])
{
SetupScaleWall (walllight1[i]);
SetupScaleWall (walldark1[i]);
}
//
// cache the actor pictures
//
for (i=0;i<NUMLUMPS;i++)
if (lumpneeded[i])
for (j=lumpstart[i];j<=lumpend[i];j++)
SetupScalePic(j);
source = screenloc[0];
for (i=1;i<=2;i++)
{
dest = screenloc[i];
VW_ScreenToScreen (source,dest,40,VIEWHEIGHT);
}
screenpage = 1;
}
//==========================================================================
/*
==================
=
= SetupGameLevel
=
==================
*/
void SetupGameLevel ()
{
int x,y,i,loop;
unsigned far *map,tile,far *spotptr,spot;
unsigned search_tile;
boolean exploding_walls_present = false;
memset (tileneeded,0,sizeof(tileneeded));
//
// randomize if not a demo
//
#if 0
if (DemoMode)
{
US_InitRndT(false);
gamestate.difficulty = gd_Normal;
}
else
#endif
US_InitRndT(true);
//
// load the level
//
CA_CacheMap (gamestate.mapon);
mapwidth = mapheaderseg[mapon]->width;
mapheight = mapheaderseg[mapon]->height;
//
// make a lookup table for the maps left edge
//
spot = 0;
for (y=0;y<mapheight;y++)
{
farmapylookup[y] = spot;
spot += mapwidth;
}
//
// copy the wall data to a data segment array
//
memset (tilemap,0,sizeof(tilemap));
memset (actorat,0,sizeof(actorat));
map = mapsegs[0];
spotptr = mapsegs[2];
for (y=0;y<mapheight;y++)
for (x=0;x<mapwidth;x++)
{
tile = *map++;
if (((*spotptr)>>8) == EXP_WALL_CODE)
{
exploding_walls_present = true;
}
if (tile<NUMFLOORS)
{
#if 0
if (tile == WALL_SKELETON_CODE)
{
tileneeded[tile+1] = tileneeded[tile+2] = true;
tilemap[x][y] = tile;
}
#endif
if ((tile == 66) || (tile == 67) || (tile == 68) || (tile == 69))
{
if ((tile == 66) || (tile == 67))
tileneeded[tile+2] = true;
tileneeded[21] = tileneeded[tile] = true;
tilemap[x][y] = tile;
}
else
if (tile != INVISIBLEWALL)
{
tileneeded[tile] = true;
tilemap[x][y] = tile;
if (ANIM_FLAGS(tile))
{
search_tile = tile+(char signed)ANIM_FLAGS(tile);
if (!tileneeded[search_tile])
while (search_tile != tile)
{
tileneeded[search_tile] = true;
if (ANIM_FLAGS(search_tile))
search_tile += (char signed)ANIM_FLAGS(search_tile);
else
TrashProg("Unending Tile Animation!");
}
}
}
if (tile>0)
(unsigned)actorat[x][y] = tile;
}
spotptr++;
}
//
// Mark any gfx chunks needed
//
// CA_MarkGrChunk(NORTHICONSPR);
// CA_CacheMarks(NULL);
//
// decide which graphics are needed and spawn actors
//
zombie_base_delay = 0; // (1*60) + random(1*60);
ScanInfoPlane ();
_fmemset(wall_anim_pos,0,sizeof(wall_anim_pos));
//
// mark which exploding walls are needed ---- the check for floor color
// is preformed in ScanInfoPlane.
//
if (exploding_walls_present)
{
extern unsigned gnd_colors[];
if (gcolor == 0x0101)
tileneeded[WATEREXP] = tileneeded[WATEREXP+1] = tileneeded[WATEREXP+2] = true;
else
tileneeded[WALLEXP] = tileneeded[WALLEXP+1] = tileneeded[WALLEXP+2] = true;
}
//
// have the caching manager load and purge stuff to make sure all marks
// are in memory
//
CA_LoadAllSounds ();
}
//==========================================================================
/*
=====================
=
= LatchDrawPic
=
=====================
*/
void LatchDrawPic (unsigned x, unsigned y, unsigned picnum)
{
unsigned height, source, dest;
unsigned wide;
wide = pictable[picnum-STARTPICS].width;
height = pictable[picnum-STARTPICS].height;
dest = bufferofs + ylookup[y]+x;
source = latchpics[picnum-FIRSTLATCHPIC];
EGAWRITEMODE(1);
EGAMAPMASK(15);
asm mov bx,[linewidth]
asm sub bx,[wide]
asm mov ax,[screenseg]
asm mov es,ax
asm mov ds,ax
asm mov si,[source]
asm mov di,[dest]
asm mov dx,[height] // scan lines to draw
asm mov ax,[wide]
lineloop:
asm mov cx,ax
asm rep movsb
asm add di,bx
asm dec dx
asm jnz lineloop
asm mov ax,ss
asm mov ds,ax // restore turbo's data segment
EGAWRITEMODE(0);
}
#if USE_STRIPS
//--------------------------------------------------------------------------
// LatchDrawPicStrip() - srcoff is distance into source file (in PIXELS!)
//--------------------------------------------------------------------------
void LatchDrawPicStrip (unsigned x, unsigned y, unsigned picnum, unsigned srcoff)
{
unsigned wide, height, source, dest, shift, srcmod;
shift = (srcoff & 7) >> 1;
srcoff >>= 3;
wide = pictable[picnum-STARTPICS].width;
srcmod = wide - linewidth + (shift != 3);
if (wide > linewidth)
wide = linewidth;
height = pictable[picnum-STARTPICS].height;
dest = bufferofs + ylookup[y]+x;
picnum = ((picnum - (FIRSTSTRIPPIC+1)) >> 2) + (shift);
source = latchpics[(FIRSTSTRIPPIC-FIRSTLATCHPIC+1)+picnum];
EGAWRITEMODE(1);
EGAMAPMASK(15);
asm mov bx,[linewidth]
asm sub bx,[wide]