2 * This program is free software: you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation, either version 3 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "SDL_endian.h"
31 #include "gameglobals.h"
41 ////////////////////////////////////////////////////////////////////////////////
42 static SDL_Surface
*loadCFScreen (const char *fname
, SDL_Surface
*old
, int w
, int h
, int chained
) {
44 static Uint8 pal
[256][3];
45 static Uint32 opal
[256];
46 static Uint8 scr
[64000];
48 uint8_t *diskdata
= tryDiskFile(fname
, &rsz
);
50 if (diskdata
== NULL
) return old
;
51 if (rsz
< w
*h
+(chained
>= 0 ? 768 : 0)) { free(diskdata
); return old
; }
53 new = createSurface(320*2, 200*2);
54 if (!new) { free(diskdata
); return old
; }
55 SDL_SetColorKey(new, 0, 0); // clear colorkey info (it's the fullscreen image after all!)
57 for (int dy
= 0; dy
< 200; ++dy
) {
58 for (int dx
= 0; dx
< 320; ++dx
) {
59 putPixel2x(new, dx
, dy
, 0);
63 memcpy(scr
, diskdata
, w
*h
);
64 if (chained
>= 0) memcpy(pal
, diskdata
+w
*h
, 768);
68 memcpy(opal
, palette
, 256*4);
69 for (int f
= 0; f
< 256; ++f
) {
71 if (pal
[f
][0] != 0) pal
[f
][0] |= 3;
73 if (pal
[f
][1] != 0) pal
[f
][1] |= 3;
75 if (pal
[f
][2] != 0) pal
[f
][2] |= 3;
76 palette
[f
] = SDL_MapRGB(screen
->format
, pal
[f
][0], pal
[f
][1], pal
[f
][2]);
81 for (int dy
= 0; dy
< h
; ++dy
) {
82 for (int dx
= 0; dx
< w
/4; ++dx
) {
83 for (int c
= 0; c
< 4; ++c
) {
84 putPixel2x(new, dx
*4+c
, dy
, scr
[dy
*(w
/4)+(w
*h
)/4*c
+dx
]);
89 for (int dy
= 0; dy
< h
; ++dy
) {
90 for (int dx
= 0; dx
< w
; ++dx
) {
91 putPixel2x(new, dx
, dy
, scr
[dy
*w
+dx
]);
96 memcpy(palette
, opal
, 256*4);
102 ////////////////////////////////////////////////////////////////////////////////
103 static int loadFont (void) {
105 uint8_t *buf
= loadResFile(&resfile
, 92, &sz
);
107 if (buf
== NULL
) return -1;
108 if (sz
!= 256*8) { free(buf
); return -1; }
109 memcpy(font
, buf
, 256*8);
115 static int loadPalette (void) {
117 uint8_t *buf
= loadResFile(&resfile
, 83, &sz
);
119 if (buf
== NULL
) return -1;
120 if (sz
!= 768) { free(buf
); return -1; }
121 for (int f
= 0; f
< 768; ++f
) {
123 if (buf
[f
] != 0) buf
[f
] |= 3;
125 for (int f
= 0; f
< 256; ++f
) palette
[f
] = SDL_MapRGB(screen
->format
, buf
[f
*3+0], buf
[f
*3+1], buf
[f
*3+2]);
131 static SDL_Surface
*loadImage (ResFile
*resfile
, int idx
) {
136 img
= loadResFile(resfile
, idx
, &sz
);
137 if (img
== NULL
) return NULL
;
138 if (sz
< 320*200) { free(img
); return NULL
; }
139 res
= createSurface(320*2, 200*2);
140 if (res
== NULL
) { free(img
); return NULL
; }
141 SDL_SetColorKey(res
, 0, 0); // clear colorkey info (it's the fullscreen image after all!)
142 for (int f
= 0; f
< 320*200; ++f
) putPixel2x(res
, f
%320, f
/320, img
[f
]);
148 // return # of sprites loaded or <0 on error
149 static int loadSpriteBank (SpriteBank
*bank
, ResFile
*resfile
, int idx
) {
153 if ((buf
= loadResFile(resfile
, idx
, &sz
)) == NULL
) return -1;
154 if (sz
< 3) { free(buf
); return -1; }
156 for (int f
= bank
->count
-1; f
>= 0; --f
) {
157 SDL_FreeSurface(bank
->spr
[f
][1]);
158 SDL_FreeSurface(bank
->spr
[f
][0]);
161 while (pos
+4 <= sz
) {
162 int h
= ((Uint32
)buf
[pos
+0])+256*((Uint32
)buf
[pos
+1]);
163 int w
= ((Uint32
)buf
[pos
+2])+256*((Uint32
)buf
[pos
+3]);
166 if (h
> 0 && w
> 0) {
167 SDL_Surface
*s0
= createSurface(w
*2, h
*2);
168 SDL_Surface
*s1
= createSurface(w
*2, h
*2);
170 if (!s0
|| !s1
) { free(buf
); return -1; }
172 for (int y
= 0; y
< h
; ++y
) {
173 for (int x
= 0; x
< w
; ++x
) {
175 putPixel2x(s0
, x
, y
, buf
[pos
]);
176 putPixel2x(s1
, w
-x
-1, y
, buf
[pos
]);
181 bank
->spr
[bank
->count
][0] = s0
;
182 bank
->spr
[bank
->count
][1] = s1
;
192 static void freeSpriteBank (SpriteBank *bank) {
193 for (int f = bank->count-1; f >= 0; --f) {
194 SDL_FreeSurface(bank->spr[f][1]);
195 SDL_FreeSurface(bank->spr[f][0]);
201 ////////////////////////////////////////////////////////////////////////////////
202 static void quitCleanupRes (void) {
204 //if (!disableSound) unloadAllSounds();
205 deinitResFile(&sndfile
);
206 deinitResFile(&resfile
);
207 //for (int f = 0; f < sizeof(banks)/sizeof(SpriteBank); ++f) freeSpriteBank(&banks[f]);
211 ////////////////////////////////////////////////////////////////////////////////
212 #include "sincostab.c"
213 static int awishRST (int tid
, int opcode
, int argc
, int argv
[], int *argp
[]) {
214 vmGVars
[GVAR_RST_RESULT
] = 0;
216 if (argv
[0] == CONST_FRST_ML_TITLE
) {
218 } else if (argv
[0] == CONST_FRST_ML_GAME
) {
220 } else if (argv
[0] == CONST_FRST_GET_MAX_THREADS
) {
221 vmGVars
[GVAR_RST_RESULT
] = VM_MAX_THREADS
;
222 } else if (argv
[0] == CONST_FRST_GET_MAX_THREAD_ID
) {
223 vmGVars
[GVAR_RST_RESULT
] = vmLastThread();
224 } else if (argv
[0] == CONST_FRST_GET_RAND
) {
225 int nmin
= 0, nmax
= 32767;
228 case 2: nmax
= argv
[1]; break;
229 case 3: nmin
= argv
[1]; nmax
= argv
[2]; break;
232 vmGVars
[GVAR_RST_RESULT
] = nmin
;
234 vmGVars
[GVAR_RST_RESULT
] = nmin
+(randUInt32()%(nmax
-nmin
+1));
236 } else if (argv
[0] == CONST_FRST_GET_SEED_H
) {
237 vmGVars
[GVAR_RST_RESULT
] = getSeedH();
238 } else if (argv
[0] == CONST_FRST_GET_SEED_L
) {
239 vmGVars
[GVAR_RST_RESULT
] = getSeedL();
240 } else if (argv
[0] == CONST_FRST_SET_SEED_H
) {
241 if (argc
>= 2) setSeedH(argv
[1]);
242 } else if (argv
[0] == CONST_FRST_SET_SEED_L
) {
243 if (argc
>= 2) setSeedL(argv
[1]);
244 } else if (argv
[0] == CONST_FRST_DEBUG_PRINT_STR
) {
245 int pos
= 0, len
= 0;
253 dolen
: if (pos
>= 0) {
254 while (pos
< vmCodeSize
&& vmCode
[pos
+len
]) ++len
;
263 if (pos
>= -255 && pos
<= -1) {
266 for (; len
> 0; --len
, ++pos
) if (pos
>= 0 && pos
< vmCodeSize
) fputc(vmCode
[pos
], stderr
);
269 } else if (argv
[0] == CONST_FRST_DEBUG_PRINT_NUM
) {
271 case 1: argv
[1] = vmPop(tid
); // fallthru
272 case 2: if (goobers
) fprintf(stderr
, "%d", argv
[1]); break;
273 case 3: if (goobers
) fprintf(stderr
, "%d,%d", argv
[1], argv
[2]); break;
275 } else if (argv
[0] == CONST_FRST_PLAY_SOUND
) {
276 // arg1: sound index; arg2 (if present) channel; rst_result: -1 or channel
277 if (argc
== 1) argv
[1] = vmPop(tid
);
278 if (argc
< 2) argv
[2] = -1;
279 vmGVars
[GVAR_RST_RESULT
] = playSound(argv
[1], argv
[2]);
280 } else if (argv
[0] == CONST_FRST_STOP_CHANNEL
) {
282 if (argc
== 1) argv
[1] = vmPop(tid
);
283 vmGVars
[GVAR_RST_RESULT
] = stopChannel(argv
[1]);
284 } else if (argv
[0] == CONST_FRST_IS_CHANNEL_PLAYING
) {
285 // arg1: channel; rst_result: bool
286 if (argc
== 1) argv
[1] = vmPop(tid
);
287 vmGVars
[GVAR_RST_RESULT
] = isChannelPlaying(argv
[1]);
288 } else if (argv
[0] == CONST_FRST_LOAD_SOUND
) {
289 // arg1: sound index; rst_result: bool
290 if (argc
== 1) argv
[1] = vmPop(tid
);
291 vmGVars
[GVAR_RST_RESULT
] = loadSound(argv
[1]) ? 0 : 1;
292 } else if (argv
[0] == CONST_FRST_UNLOAD_SOUND
) {
293 // arg1: sound index; rst_result: bool
294 if (argc
== 1) argv
[1] = vmPop(tid
);
295 vmGVars
[GVAR_RST_RESULT
] = unloadSound(argv
[1]) ? 0 : 1;
296 } else if (argv
[0] == CONST_FRST_IS_SOUND_LOADED
) {
297 // arg1: sound index; rst_result: bool
298 if (argc
== 1) argv
[1] = vmPop(tid
);
299 vmGVars
[GVAR_RST_RESULT
] = isSoundLoaded(argv
[1]) ? 0 : 1;
300 } else if (argv
[0] == CONST_FRST_LOAD_SPRITES
) {
301 // arg1: bank, arg2: filename (0-terminated)
306 argv
[2] = vmPop(tid
);
307 argv
[1] = vmPop(tid
);
310 argv
[2] = vmPop(tid
);
315 vmGVars
[GVAR_RST_RESULT
] = -1;
316 if (fnpos
>= 0 && fnpos
< vmCodeSize
-1 && argv
[1] >= 0 && argv
[1] <= 256) {
319 for (end
= fnpos
; end
< vmCodeSize
&& vmCode
[end
]; ++end
) ;
320 if (end
< vmCodeSize
) {
321 //fprintf(stderr, "!!! %d: [%s]\n", argv[1], (const char *)(vmCode+fnpos));
322 vmGVars
[GVAR_RST_RESULT
] = loadSpriteBankFromFile(&banks
[argv
[1]], (const char *)(vmCode
+fnpos
));
325 } else if (argv
[0] == CONST_FRST_ADD_LEVEL_SPRITE
|| argv
[0] == CONST_FRST_ADD_SPRITE
) {
326 // x, y, layer, bank, num, dir (can take 1st 2 args from stack too)
327 int inlevel
= (argv
[0] == CONST_FRST_ADD_LEVEL_SPRITE
);
328 int x
= 0, y
= 0, layer
, bank
, num
, dir
;
348 //fprintf(stderr, "x=%d, y=%d, layer=%d, bank=%d, num=%d, dir=%d, inlevel=%d\n", x, y, layer, bank, num, dir, inlevel);
349 addSpriteToLayer(x
, y
, layer
, bank
, num
, dir
, inlevel
);
350 } else if (argv
[0] == CONST_FRST_START_POLY
) {
351 int angle
= vmPop(tid
);
352 int scale
= vmPop(tid
);
353 int ofsx
= 0, ofsy
= 0;
369 pmStart(ofsx
, ofsy
, scale
, angle
);
370 } else if (argv
[0] == CONST_FRST_ADD_POLY_POINT
) {
373 argv
[2] = vmPop(tid
);
374 argv
[1] = vmPop(tid
);
377 argv
[2] = vmPop(tid
);
380 pmAddPoint(argv
[1], argv
[2]);
381 } else if (argv
[0] == CONST_FRST_END_POLY
) {
384 argv
[2] = vmPop(tid
);
385 argv
[1] = vmPop(tid
);
388 argv
[2] = vmPop(tid
);
391 pmDone(argv
[1], argv
[2]);
392 } else if (argv
[0] == CONST_FRST_DRAW_TEXT
) {
393 // arg1: addr; arg2: len, x, y, scale, angle, color
394 int color
= vmPop(tid
);
395 int angle
= vmPop(tid
);
396 int scale
= vmPop(tid
);
399 int addr
= 0, len
= -1;
400 const char *str
= (const char *)vmCode
;
414 if (len
!= 0 && addr
>= 0 && addr
< vmCodeSize
) {
417 for (len
= 0; addr
+len
< vmCodeSize
&& str
[len
]; ++len
) ;
419 if (addr
+len
> vmCodeSize
) len
= vmCodeSize
-addr
;
421 if (str
!= NULL
&& len
> 0) textAdd(str
, len
, x
, y
, scale
, angle
, color
, 255);
423 } else if (argv
[0] == CONST_FRST_COS
|| argv
[0] == CONST_FRST_SIN
) {
424 if (argc
< 2) argv
[1] = vmPop(tid
);
425 argv
[1] %= 360; if (argv
[1] < 0) argv
[1] += 360;
426 if (argv
[0] == CONST_FRST_COS
) argv
[1] = (argv
[1]+90)%360;
427 vmGVars
[GVAR_RST_RESULT
] = sintab
[argv
[1]];
429 if (gameRSTCB
) return gameRSTCB(tid
, opcode
, argc
, argv
, argp
);
430 fatal("invalid RST: %d", argv
[0]);
432 return 0; // continue
436 ////////////////////////////////////////////////////////////////////////////////
437 static int checkLevelCode (const char *t
) {
440 if (!t
|| !t
[0]) return -1;
441 ctrd
= vmNewThread(0);
442 for (int level
= 0; level
< vmGVars
[GVAR_MAX_LEVEL
]; ++level
) {
443 //fprintf(stderr, "%d/%d\n", level+1, vmGVars[GVAR_MAX_LEVEL]);
445 if (vmExecuteBSR(ctrd
, CODE_ENTRY_GET_LEVEL_CODE
, 0) == 0) {
446 int pos
= vmGVars
[GVAR_LEVEL_CODE_OFS
], len
= vmGVars
[GVAR_LEVEL_CODE_LEN
], ok
= 1;
448 if (strlen(t
) == len
&& pos
>= 0 && len
> 0 && pos
+len
<= vmCodeSize
) {
449 //fwrite(vmCode+pos, len, 1, stderr);
450 //fprintf(stderr, " [%s]\n", t);
451 for (int f
= 0; f
< len
; ++f
) {
452 //fprintf(stderr, "%c %c\n", tolower(t[f]), tolower(vmCode[pos+f]));
453 if (tolower(t
[f
]) != tolower(vmCode
[pos
+f
])) { ok
= 0; break; }
456 if (goobers
) fprintf(stderr
, "found code for level #%02d\n", level
+1);
461 if (goobers
) fprintf(stderr
, "sorry!\n");
470 ////////////////////////////////////////////////////////////////////////////////
472 # include "cmdline.c"
476 ////////////////////////////////////////////////////////////////////////////////
477 int main (int argc
, char *argv
[]) {
486 memset(banks
, 0, sizeof(banks
));
490 for (int f
= 1; f
< argc
; ++f
) {
493 if (strcmp(argv
[f
], "-goobers") == 0) goobers
= 1;
494 else if (strcmp(argv
[f
], "--goobers") == 0) goobers
= 1;
495 else if (strcmp(argv
[f
], "-dat") == 0) datfirst
= 1;
496 else if (strcmp(argv
[f
], "--dat") == 0) datfirst
= 1;
497 else if (strcmp(argv
[f
], "-trace") == 0) vmDebugTrace
= 1;
498 else if (strcmp(argv
[f
], "--trace") == 0) vmDebugTrace
= 1;
499 else if (strcmp(argv
[f
], "-nosound") == 0) disableSound
= 1;
500 else if (strcmp(argv
[f
], "--nosound") == 0) disableSound
= 1;
501 else if (strcmp(argv
[f
], "-tracelog") == 0 || strcmp(argv
[f
], "--tracelog") == 0) {
504 vmDebugOutput
= fopen("ztrace.log", "w");
509 for (int c
= f
+eaten
; c
< argc
; ++c
) argv
[c
-1] = argv
[c
];
510 argv
[argc
-= eaten
] = NULL
;
515 initResFile(&resfile
, "RESOURCE.DAT");
516 initResFile(&sndfile
, "RESOURCE.SND");
517 atexit(quitCleanupRes
);
519 if (loadFont() != 0) {
520 fprintf(stderr
, "FATAL: can't load font!\n");
529 if (loadPalette() != 0) {
530 fprintf(stderr
, "FATAL: can't load palette!\n");
537 lockSurface(&lock
, screen
);
538 drawString(screen
, "loading...", 2, 200-10, 1);
539 unlockSurface(&lock
);
543 for (int f
= 0; f
< 8; ++f
) {
544 if ((backs
[(f
+1)%8] = loadImage(&resfile
, f
)) == NULL
) {
545 fprintf(stderr
, "FATAL: can't load image #%d!\n", f
);
549 if ((backs
[8] = loadImage(&resfile
, 8)) == NULL
) {
550 fprintf(stderr
, "FATAL: can't load image #%d!\n", 8);
554 backs
[0] = loadCFScreen("CFTITLE.DAT", backs
[0], 320, 200, 1);
555 backs
[0] = loadCFScreen("cftitle.dat", backs
[0], 320, 200, 1);
557 memset(banks
, 0, sizeof(banks
));
558 for (int f
= 84; f
<= 90; ++f
) {
559 if (loadSpriteBank(&banks
[f
], &resfile
, f
) <= 0) {
560 fprintf(stderr
, "FATAL: can't load sprite bank #%d!\n", f
);
564 if (loadSpriteBankFromFile(&banks
[256], "sprites/cursors.spr") <= 0) {
565 fprintf(stderr
, "FATAL: can't load 'cursors' sprite bank!\n");
569 if (vmInitialize() != 0) fatal("can't init VM");
571 memset(vmGVars
, 0, sizeof(vmGVars
));
574 vmAddLabel("flag_skip_title", LB_GVAR
, 120, 1); // 1: public
578 if ((csz
= loadCodeFile(&resfile
, vmCodeSize
, 93, 0)) < 1) {
579 fprintf(stderr
, "FATAL: can't load VM code!\n");
584 vmGVars
[GVAR_POLYFIX_BASE
] = POLYFIX_BASE
;
590 if ((buf
= loadDiskFileEx("goobers.vmd", &rsz
)) != NULL
) {
592 csz
= vmLoadCodeFileFromDump(buf
, rsz
, vmCodeSize
, vmMaxGVar
, vmMaxTVar
, &vmMaxGVar
, &vmMaxTVar
);
594 if (csz
> 0) vmCodeSize
+= csz
;
599 //vmGVars[GVAR_KEY_QUIT] = 0;
600 //vmGVars[GVAR_KEY_START] = 0;
601 vmGVars
[GVAR_GOOBERS
] = goobers
;
603 vmSetPC(0, CODE_ENTRY_TITLE
);
604 if (vmExecuteBSR(0, CODE_ENTRY_MAIN_INIT
, 0) != 0) fatal("can't initialize game");
605 //if (goobers) fprintf(stderr, "MAX LEVEL: %d\n", vmGVars[GVAR_MAX_LEVEL]);
608 VMLabelInfo
*l
= vmFindLabel("entry_goobers_init");
610 if (l
!= NULL
&& l
->type
== LB_CODE
) {
611 if (vmExecuteBSR(0, l
->value
, 0) != 0) fatal("can't initialize game");
617 for (int f
= 1; f
< argc
; ++f
) {
618 int lvl
= checkLevelCode(argv
[f
]);
621 vmGVars
[GVAR_START_LEVEL
] = lvl
;
634 int CALLBACK
WinMain (HINSTANCE hInstance
, HINSTANCE unused__
, LPSTR lpszCmdLine
, int nCmdShow
) {
635 char *shit
[] = { (char *)"shit", NULL
};
636 return SDL_main(1, shit
);