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wl_game.c
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#include "wl_def.h"
/*
=============================================================================
GLOBAL VARIABLES
=============================================================================
*/
boolean ingame;
gametype gamestate;
long spearx,speary;
unsigned spearangle;
boolean spearflag;
byte mapspecial[(MAPSIZE * MAPSIZE) >> 1];
/* ELEVATOR BACK MAPS - REMEMBER (-1)!! */
#ifndef SPEAR
static const myint ElevatorBackTo[]={ 1, 1, 7, 3, 5, 3};
#endif
//===========================================================================
/*
==========================
=
= ClearMemory
=
==========================
*/
void ClearMemory()
{
}
/*
==========================
=
= ScanInfoPlane
=
= Spawn all actors and mark down special places
=
==========================
*/
void ScanInfoPlane()
{
unsigned x,y;
myint tile;
ms0 *start;
start = mapseg0;
for (y=0;y<mapheight;y++)
for (x=0;x<mapwidth;x++)
{
tile = (word)*(start++) + 16;
if (!tile)
continue;
switch (tile)
{
case 19:
case 20:
case 21:
case 22:
SpawnPlayer(x, y, tile-19);
break;
case 23:
case 24:
case 25:
case 26:
case 27:
case 28:
case 29:
case 30:
case 31:
case 32:
case 33:
case 34:
case 35:
case 36:
case 37:
case 38:
case 39:
case 40:
case 41:
case 42:
case 43:
case 44:
case 45:
case 46:
case 47:
case 48:
case 49:
case 50:
case 51:
case 52:
case 53:
case 54:
case 55:
case 56:
case 57:
case 58:
case 59:
case 60:
case 61:
case 62:
case 63:
case 64:
case 65:
case 66:
case 67:
case 68:
case 69:
case 70:
#ifdef SPEAR
case 71:
case 72:
case 73: // TRUCK AND SPEAR!
case 74:
#endif
SpawnStatic(x,y,tile-23);
break;
case 90: /* ICONARROWS */
case 91:
case 92:
case 93:
case 94:
case 95:
case 96:
case 97:
setmapspecial(x, y, (tile - 90) | ms_arrow);
break;
//
// P wall
//
case 98: /* PUSHABLETILE */
#ifdef ENABLE_STATS
if (!loadedgame)
gamestate.secrettotal++;
#endif
setmapspecial(x, y, ms_pushable);
break;
case 99: /* EXITTILE */
setmapspecial(x, y, ms_exit);
break;
//
// guard
//
case 180:
case 181:
case 182:
case 183:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 144:
case 145:
case 146:
case 147:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 108:
case 109:
case 110:
case 111:
SpawnStand(en_guard,x,y,tile-108);
break;
case 184:
case 185:
case 186:
case 187:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 148:
case 149:
case 150:
case 151:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 112:
case 113:
case 114:
case 115:
SpawnPatrol(en_guard,x,y,tile-112);
break;
case 124:
SpawnDeadGuard (x,y);
break;
//
// officer
//
case 188:
case 189:
case 190:
case 191:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 152:
case 153:
case 154:
case 155:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 116:
case 117:
case 118:
case 119:
SpawnStand(en_officer,x,y,tile-116);
break;
case 192:
case 193:
case 194:
case 195:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 156:
case 157:
case 158:
case 159:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 120:
case 121:
case 122:
case 123:
SpawnPatrol(en_officer,x,y,tile-120);
break;
//
// ss
//
case 198:
case 199:
case 200:
case 201:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 162:
case 163:
case 164:
case 165:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 126:
case 127:
case 128:
case 129:
SpawnStand(en_ss,x,y,tile-126);
break;
case 202:
case 203:
case 204:
case 205:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 166:
case 167:
case 168:
case 169:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 130:
case 131:
case 132:
case 133:
SpawnPatrol(en_ss,x,y,tile-130);
break;
//
// dogs
//
case 206:
case 207:
case 208:
case 209:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 170:
case 171:
case 172:
case 173:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 134:
case 135:
case 136:
case 137:
SpawnStand(en_dog,x,y,tile-134);
break;
case 210:
case 211:
case 212:
case 213:
if (gamestate_difficulty<gd_hard)
break;
tile -= 36;
case 174:
case 175:
case 176:
case 177:
if (gamestate_difficulty<gd_medium)
break;
tile -= 36;
case 138:
case 139:
case 140:
case 141:
SpawnPatrol(en_dog,x,y,tile-138);
break;
//
// boss
//
#ifndef SPEAR
case 214:
SpawnBoss (x,y);
break;
case 197:
SpawnGretel (x,y);
break;
case 215:
SpawnGift (x,y);
break;
case 179:
SpawnFat (x,y);
break;
case 196:
SpawnSchabbs (x,y);
break;
case 160:
SpawnFakeHitler (x,y);
break;
case 178:
SpawnHitler (x,y);
break;
#else
case 106:
SpawnSpectre (x,y);
break;
case 107:
SpawnAngel (x,y);
break;
case 125:
SpawnTrans (x,y);
break;
case 142:
SpawnUber (x,y);
break;
case 143:
SpawnWill (x,y);
break;
case 161:
SpawnDeath (x,y);
break;
#endif
//
// mutants
//
case 252:
case 253:
case 254:
case 255:
if (gamestate_difficulty<gd_hard)
break;
tile -= 18;
case 234:
case 235:
case 236:
case 237:
if (gamestate_difficulty<gd_medium)
break;
tile -= 18;
case 216:
case 217:
case 218:
case 219:
SpawnStand(en_mutant,x,y,tile-216);
break;
case 256:
case 257:
case 258:
case 259:
if (gamestate_difficulty<gd_hard)
break;
tile -= 18;
case 238:
case 239:
case 240:
case 241:
if (gamestate_difficulty<gd_medium)
break;
tile -= 18;
case 220:
case 221:
case 222:
case 223:
SpawnPatrol(en_mutant,x,y,tile-220);
break;
//
// ghosts
//
#ifndef SPEAR
case 224:
SpawnGhosts (en_blinky,x,y);
break;
case 225:
SpawnGhosts (en_clyde,x,y);
break;
case 226:
SpawnGhosts (en_pinky,x,y);
break;
case 227:
SpawnGhosts (en_inky,x,y);
break;
#endif
}
}
}
/* ======================================================================== */
/* The area map is not available when spawning actors, so fill in now. */
static void FixupActors()
{
objtype *obj;
ms0 *map;
ms0 tile;
for (obj = player; obj; obj = obj_next(obj)) {
map = mapseg0+farmapylookup(obj->tiley)+obj->tilex;
tile = 0;
if (*map == AMBUSHTILE)
{
tilemap[obj->tilex][obj->tiley] = 0;
if (*(map+1) >= AREATILE)
tile = *(map+1);
if (*(map-mapwidth) >= AREATILE)
tile = *(map-mapwidth);
if (*(map+mapwidth) >= AREATILE)
tile = *(map+mapwidth);
if (*(map-1) >= AREATILE)
tile = *(map-1);
*map = tile;
obj->areanumber = tile-AREATILE;
obj->flags |= FL_AMBUSH;
} else {
obj->areanumber = *map - AREATILE;
}
}
}
/*
==================
=
= SetupGameLevel
=
==================
*/
void SetupGameLevel()
{
myint x,y;
ms0 *map,tile;
if (!loadedgame) {
gamestate.TimeCount =
#ifdef ENABLE_STATS
gamestate.secrettotal =
gamestate.killtotal =
gamestate.treasuretotal =
gamestate.secretcount =
gamestate.killcount =
gamestate.treasurecount = 0;
#else
0;
#endif
}
#ifdef ENABLE_DEMO
if (demoplayback || demorecord)
US_InitRndT(false);
else
#endif
US_InitRndT(true);
#ifndef ENABLE_PRECOMPILE
if ((mapheaderseg[mapon]->width != 64) || (mapheaderseg[mapon]->height != 64))
Quit("Map not 64*64!");
#endif
mapon -= gamestate_episode*10;
memset(tilemap, 0, sizeof(tilemap));
memset(actorat, 0, sizeof(actorat));
memset(objactor, 0, sizeof(objactor));
InitActorList(); /* start spawning things with a clean slate */
InitDoorList();
InitStaticList();
/* spawn actors */
/* load the level */
CA_CacheMap(gamestate.mapon+10*gamestate_episode, 1);
ScanInfoPlane();
CA_CacheMap(gamestate.mapon+10*gamestate_episode, 0);
FixupActors();
/* copy the wall data to a data segment array */
map = mapseg0;
for (y = 0; y < mapheight; y++)
for (x = 0; x < mapwidth; x++) {
tile = *map++;
if (tile < AREATILE) { /* solid wall */
tilemap[x][y] = tile;
set_wall_at(x, y, tile);
} else { /* area floor */
tilemap[x][y] = 0;
}
}
/* spawn doors */
map = mapseg0;
for (y = 0; y < mapheight; y++)
for (x = 0; x < mapwidth; x++)
{
tile = *map++;
if (tile >= 90 && tile <= 101)
{
/* door */
switch(tile)
{
case 90:
case 92:
case 94:
case 96:
case 98:
case 100:
SpawnDoor(x, y, 1, (tile-90)/2);
break;
case 91:
case 93:
case 95:
case 97:
case 99:
case 101:
SpawnDoor(x, y, 0,(tile-91)/2);
break;
}
}
}
/* take out the ambush markers */
map = mapseg0;
for (y=0;y<mapheight;y++)
for (x=0;x<mapwidth;x++)
{
tile = *map++;
if (tile == AMBUSHTILE)
{
tilemap[x][y] = 0;
if (get_actor_at(x, y) == AMBUSHTILE)
clear_actor(x, y);
if (*map >= AREATILE)
tile = *map;
if (*(map-1-mapwidth) >= AREATILE)
tile = *(map-1-mapwidth);
if (*(map-1+mapwidth) >= AREATILE)
tile = *(map-1+mapwidth);
if (*(map-2) >= AREATILE)
tile = *(map-2);
*(map-1) = tile;
}
}
#ifdef ENABLE_AUDIO
CA_LoadAllSounds();
#endif
}
/* ======================================================================== */
#ifndef EMBEDDED
/*
===================
=
= DrawPlayBorderSides
=
= To fix window overwrites
=
===================
*/
void DrawPlayBorderSides()
{
myint xl, yl;
xl = 160-viewwidthwin/2;
yl = (200-STATUSLINES-viewheightwin)/2;
if (xl == 0) {
return;
} else {
VW_Bar(0,0,xl-1,200-STATUSLINES,127);
VW_Bar(xl+viewwidthwin+1,0,xl-2,200-STATUSLINES,127);
VW_Vlin(yl-1,yl+viewheightwin,xl-1,0);
VW_Vlin(yl-1,yl+viewheightwin,xl+viewwidthwin,125);
}
}
/*
===================
=
= DrawPlayBorder
=
===================
*/
void DrawPlayBorder()
{
myint xl, yl;
VW_Bar(0,0,320,200-STATUSLINES+1,127);
xl = 160-viewwidthwin/2;
yl = (200-STATUSLINES-viewheightwin)/2;
VW_Bar(xl,yl,viewwidthwin,viewheightwin+1,0);
if (xl == 0) {
VW_Hlin(0,viewwidthwin-1,viewheightwin,125);
} else {
VW_Hlin(xl-1,xl+viewwidthwin,yl-1,0);
VW_Hlin(xl-1,xl+viewwidthwin,yl+viewheightwin,125);
VW_Vlin(yl-1,yl+viewheightwin,xl-1,0);
VW_Vlin(yl-1,yl+viewheightwin,xl+viewwidthwin,125);
VW_Plot(xl-1,yl+viewheightwin,124);
}
}
void DrawStatusBar()
{
DrawFace();
DrawHealth();
DrawLives();
DrawLevel();
DrawAmmo();
DrawKeys();
DrawWeapon();
DrawScore();
}
#endif
/*
===================
=
= DrawPlayScreen
=
===================
*/
void DrawPlayScreen()
{
#ifndef EMBEDDED
VW_FadeOut();
CA_CacheGrChunk(STATUSBARPIC);
DrawPlayBorder();
VWB_DrawPic(0,200-STATUSLINES,STATUSBARPIC);
CA_UnCacheGrChunk(STATUSBARPIC);
DrawStatusBar();
#endif
}
/* ======================================================================= */
/*
==================
=
= StartDemoRecord
=
==================
*/
#ifdef ENABLE_DEMO
#define MAXDEMOSIZE 8192
void StartDemoRecord(myint levelnumber)
{
MM_GetPtr(&demobuffer, MAXDEMOSIZE);
MM_SetLock(&demobuffer,true);
demoptr = (byte *)demobuffer;
lastdemoptr = demoptr+MAXDEMOSIZE;
*demoptr = levelnumber;
demoptr += 4; // leave space for length
demorecord = true;
}
/*
==================
=
= FinishDemoRecord
=
==================
*/
char demoname[13] = "demo?.dem";
void FinishDemoRecord()
{
long length, level;
demorecord = false;
length = (byte *)demoptr - (byte *)demobuffer;
demoptr = ((byte *)demobuffer)+1;
demoptr[0] = length & 0xFF;
demoptr[1] = (length >> 8) & 0xFF;
CenterWindow(24,3);
PrintY+=6;
VW_FadeIn();
US_Print(" Demo number (0-9):");
VW_UpdateScreen();
if (US_LineInput(px,py,str,NULL,true,2,0))
{
level = atoi (str);
if (level>=0 && level<=9)
{
demoname[4] = '0'+level;
CA_WriteFile (demoname,(void *)demobuffer,length);
}
}
MM_FreePtr(&demobuffer);
}
/*
==================
=
= RecordDemo
=
= Fades the screen out, then starts a demo. Exits with the screen faded
=
==================
*/
void RecordDemo()
{
myint level,esc;
CenterWindow(26,3);
PrintY += 6;
CA_CacheGrChunk(STARTFONT);
fontnumber = 0;
US_Print(" Demo which level(1-10):");
VW_UpdateScreen();
VW_FadeIn();
esc = !US_LineInput(px,py,str,NULL,true,2,0);
if (esc)
return;
level = atoi(str);
level--;
SETFONTCOLOR(0,15);
VW_FadeOut();
#ifndef SPEAR
NewGame (gd_hard,level/10);
gamestate.mapon = level%10;
#else
NewGame (gd_hard,0);
gamestate.mapon = level;
#endif
StartDemoRecord(level);
DrawPlayScreen();
VW_UpdateScreen();
VW_FadeIn();
startgame = false;
demorecord = true;
SetupGameLevel();
StartMusic();
PlayLoop();
demoplayback = false;
StopMusic();
VW_FadeOut();
ClearMemory();
FinishDemoRecord ();
}
/*
==================
=
= PlayDemo
=
= Fades the screen out, then starts a demo. Exits with the screen faded
=
==================
*/
void PlayDemo(myint demonumber)
{
myint length;
#ifndef SPEARDEMO
myint dems[4]={T_DEMO0,T_DEMO1,T_DEMO2,T_DEMO3};
#else
myint dems[1]={T_DEMO0};
#endif
CA_CacheGrChunk(dems[demonumber]);
demoptr = grsegs[dems[demonumber]];
NewGame(1, 0);
gamestate.mapon = demoptr[0];
gamestate_difficulty = gd_hard;
length = demoptr[1] | (demoptr[2] << 8);
demoptr += 4;
lastdemoptr = demoptr+length-4;
VW_FadeOut();
SETFONTCOLOR(0,15);
DrawPlayScreen();
VW_UpdateScreen(); /* force redraw */
VW_FadeIn();
loadedgame = false;
startgame = false;
demoplayback = true;
SetupGameLevel();
StartMusic();
PlayLoop();
CA_UnCacheGrChunk(dems[demonumber]);
demoplayback = false;
StopMusic();
VW_FadeOut();
ClearMemory();
}
myint PlayDemoFromFile(const char *demoname)
{
myint length;
CA_LoadFile(demoname, &demobuffer);
if (demobuffer == NULL) {
fprintf(stderr, "Unable to load demo: %s\n", demoname);
return 0;
}
MM_SetLock(&demobuffer, true);
demoptr = (byte *)demobuffer;
NewGame(1,0);
gamestate.mapon = demoptr[0];
gamestate_difficulty = gd_hard;
length = demoptr[1] | (demoptr[2] << 8);
demoptr += 4;
lastdemoptr = demoptr-4+length;
VW_FadeOut();
SETFONTCOLOR(0,15);
DrawPlayScreen();
VW_UpdateScreen(); /* force redraw */
VW_FadeIn();
startgame = false;
demoplayback = true;
SetupGameLevel();
StartMusic();
PlayLoop();
MM_FreePtr(&demobuffer);
demoplayback = false;
StopMusic();
ClearMemory();
return 1;
}
#endif
//==========================================================================
/*
==================
=
= Died
=
==================
*/
#define DEATHROTATE 2
void Died()
{
long dx,dy;
myint iangle,curangle,clockwise,counter,change;
gamestate.weapon = wp_none; // take away weapon
SD_PlaySound(PLAYERDEATHSND);
/* swing around to face attacker (if any) */
if (killerobj) {
dx = killerobj->x - player->x;
dy = player->y - killerobj->y;
} else {
dx = -player->x;
dy = player->y;
}
iangle = atan2fix(dy,dx);
if (player->angle > iangle) {
counter = player->angle - iangle;
clockwise = ANGLES-player->angle + iangle;
} else {
clockwise = iangle - player->angle;
counter = player->angle + ANGLES-iangle;
}