1 /* $OpenBSD: extern.h,v 1.12 2015/12/31 16:44:22 mestre Exp $ */ 2 /* $NetBSD: extern.h,v 1.8 1998/09/13 15:27:30 hubertf Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)externs.h 8.1 (Berkeley) 5/31/93 33 */ 34 35 #include <sys/types.h> 36 37 #include <setjmp.h> 38 39 #ifndef __GNUC__ 40 #define __attribute__(x) 41 #endif 42 43 /* program mode */ 44 extern int mode; 45 extern jmp_buf restart; 46 #define MODE_PLAYER 1 47 #define MODE_DRIVER 2 48 #define MODE_LOGGER 3 49 50 /* command line flags */ 51 extern char debug; /* -D */ 52 extern char randomize; /* -x, give first available ship */ 53 extern char longfmt; /* -l, print score in long format */ 54 extern char nobells; /* -b, don't ring bell before Signal */ 55 56 /* other initial modes */ 57 extern gid_t gid; 58 extern gid_t egid; 59 60 #define die() (arc4random_uniform(6) + 1) 61 #define sqr(a) ((a) * (a)) 62 #define min(a,b) ((a) < (b) ? (a) : (b)) 63 64 #define grappled(a) ((a)->file->ngrap) 65 #define fouled(a) ((a)->file->nfoul) 66 #define snagged(a) (grappled(a) + fouled(a)) 67 68 #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) 69 #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) 70 #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) 71 72 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0) 73 #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0) 74 #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) 75 76 #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) 77 #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) 78 #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) 79 80 #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0)) 81 #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) 82 #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) 83 84 #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) 85 86 #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) 87 88 /* loadL and loadR, should match loadname[] */ 89 #define L_EMPTY 0 /* should be 0, don't change */ 90 #define L_GRAPE 1 91 #define L_CHAIN 2 92 #define L_ROUND 3 93 #define L_DOUBLE 4 94 #define L_EXPLODE 5 95 96 /* 97 * readyL and readyR, these are bits, except R_EMPTY 98 */ 99 #define R_EMPTY 0 /* not loaded and not loading */ 100 #define R_LOADING 1 /* loading */ 101 #define R_DOUBLE 2 /* loading double */ 102 #define R_LOADED 4 /* loaded */ 103 #define R_INITIAL 8 /* loaded initial */ 104 105 #define HULL 0 106 #define RIGGING 1 107 108 #define W_CAPTAIN 1 109 #define W_CAPTURED 2 110 #define W_CLASS 3 111 #define W_CREW 4 112 #define W_DBP 5 113 #define W_DRIFT 6 114 #define W_EXPLODE 7 115 #define W_FILE 8 116 #define W_FOUL 9 117 #define W_GUNL 10 118 #define W_GUNR 11 119 #define W_HULL 12 120 #define W_MOVE 13 121 #define W_OBP 14 122 #define W_PCREW 15 123 #define W_UNFOUL 16 124 #define W_POINTS 17 125 #define W_QUAL 18 126 #define W_UNGRAP 19 127 #define W_RIGG 20 128 #define W_COL 21 129 #define W_DIR 22 130 #define W_ROW 23 131 #define W_SIGNAL 24 132 #define W_SINK 25 133 #define W_STRUCK 26 134 #define W_TA 27 135 #define W_ALIVE 28 136 #define W_TURN 29 137 #define W_WIND 30 138 #define W_FS 31 139 #define W_GRAP 32 140 #define W_RIG1 33 141 #define W_RIG2 34 142 #define W_RIG3 35 143 #define W_RIG4 36 144 #define W_BEGIN 37 145 #define W_END 38 146 #define W_DDEAD 39 147 148 #define NLOG 10 149 struct logs { 150 char l_name[20]; 151 uid_t l_uid; 152 int l_shipnum; 153 int l_gamenum; 154 int l_netpoints; 155 }; 156 157 struct BP { 158 short turnsent; 159 struct ship *toship; 160 short mensent; 161 }; 162 163 struct snag { 164 short sn_count; 165 short sn_turn; 166 }; 167 168 #define NSCENE nscene 169 #define NSHIP 10 170 #define NBP 3 171 172 #define NNATION 8 173 #define N_A 0 174 #define N_B 1 175 #define N_S 2 176 #define N_F 3 177 #define N_J 4 178 #define N_D 5 179 #define N_K 6 180 #define N_O 7 181 182 struct File { 183 int index; 184 char captain[20]; /* 0 */ 185 short points; /* 20 */ 186 unsigned char loadL; /* 22 */ 187 unsigned char loadR; /* 24 */ 188 unsigned char readyL; /* 26 */ 189 unsigned char readyR; /* 28 */ 190 struct BP OBP[NBP]; /* 30 */ 191 struct BP DBP[NBP]; /* 48 */ 192 char struck; /* 66 */ 193 struct ship *captured; /* 68 */ 194 short pcrew; /* 70 */ 195 char movebuf[10]; /* 72 */ 196 char drift; /* 82 */ 197 short nfoul; 198 short ngrap; 199 struct snag foul[NSHIP]; /* 84 */ 200 struct snag grap[NSHIP]; /* 124 */ 201 char RH; /* 224 */ 202 char RG; /* 226 */ 203 char RR; /* 228 */ 204 char FS; /* 230 */ 205 char explode; /* 232 */ 206 char sink; /* 234 */ 207 unsigned char dir; 208 short col; 209 short row; 210 char loadwith; 211 char stern; 212 }; 213 214 struct ship { 215 const char *shipname; /* 0 */ 216 struct shipspecs *specs; /* 2 */ 217 unsigned char nationality; /* 4 */ 218 short shiprow; /* 6 */ 219 short shipcol; /* 8 */ 220 char shipdir; /* 10 */ 221 struct File *file; /* 12 */ 222 }; 223 224 struct scenario { 225 char winddir; /* 0 */ 226 char windspeed; /* 2 */ 227 char windchange; /* 4 */ 228 unsigned char vessels; /* 12 */ 229 const char *name; /* 14 */ 230 struct ship ship[NSHIP]; /* 16 */ 231 }; 232 extern struct scenario scene[]; 233 extern int nscene; 234 235 struct shipspecs { 236 char bs; 237 char fs; 238 char ta; 239 short guns; 240 unsigned char class; 241 char hull; 242 unsigned char qual; 243 char crew1; 244 char crew2; 245 char crew3; 246 char gunL; 247 char gunR; 248 char carL; 249 char carR; 250 int rig1; 251 int rig2; 252 int rig3; 253 int rig4; 254 short pts; 255 }; 256 extern struct shipspecs specs[]; 257 258 extern struct scenario *cc; /* the current scenario */ 259 extern struct ship *ls; /* &cc->ship[cc->vessels] */ 260 261 #define SHIP(s) (&cc->ship[s]) 262 #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) 263 264 struct windeffects { 265 char A, B, C, D; 266 }; 267 extern const struct windeffects WET[7][6]; 268 269 struct Tables { 270 char H, G, C, R; 271 }; 272 extern const struct Tables RigTable[11][6]; 273 extern const struct Tables HullTable[11][6]; 274 275 extern const char AMMO[9][4]; 276 extern const char HDT[9][10]; 277 extern const char HDTrake[9][10]; 278 extern const char QUAL[9][5]; 279 extern const char MT[9][3]; 280 281 extern const char *const countryname[]; 282 extern const char *const classname[]; 283 extern const char *const directionname[]; 284 extern const char *const qualname[]; 285 extern const char loadname[]; 286 287 extern const char rangeofshot[]; 288 289 extern const char dr[], dc[]; 290 291 extern int winddir; 292 extern int windspeed; 293 extern int turn; 294 extern int game; 295 extern int alive; 296 extern int people; 297 extern char hasdriver; 298 299 /* assorted.c */ 300 void table(int, int, int, struct ship *, struct ship *, int); 301 void Cleansnag(struct ship *, struct ship *, int, int); 302 303 /* dr_1.c */ 304 void unfoul(void); 305 void boardcomp(void); 306 int fightitout(struct ship *, struct ship *, int); 307 void resolve(void); 308 void compcombat(void); 309 int next(void); 310 311 /* dr_2.c */ 312 void thinkofgrapples(void); 313 void checkup(void); 314 void prizecheck(void); 315 int str_end(const char *); 316 void closeon(struct ship *, struct ship *, char[], size_t, int, int, int); 317 int score(char[], size_t, struct ship *, struct ship *, int); 318 void move_ship(const char *, struct ship *, unsigned char *, short *, short *, char *); 319 void try(char[], size_t, char [], size_t, int, int, int, int, int, struct ship *, 320 struct ship *, int *, int); 321 void rmend(char *); 322 323 /* dr_3.c */ 324 void moveall(void); 325 int stillmoving(int); 326 int is_isolated(struct ship *); 327 int push(struct ship *, struct ship *); 328 void step(int, struct ship *, char *); 329 void sendbp(struct ship *, struct ship *, int, int); 330 int is_toughmelee(struct ship *, struct ship *, int, int); 331 void reload(void); 332 void checksails(void); 333 334 /* dr_4.c */ 335 void ungrap(struct ship *, struct ship *); 336 void grap(struct ship *, struct ship *); 337 338 /* dr_5.c */ 339 void subtract(struct ship *, int, int [3], struct ship *, int); 340 int mensent(struct ship *, struct ship *, int[3], struct ship **, int *, int); 341 342 /* dr_main.c */ 343 int dr_main(void); 344 345 /* game.c */ 346 int maxturns(struct ship *, char *); 347 int maxmove(struct ship *, int, int); 348 349 /* lo_main.c */ 350 int lo_main(void); 351 352 /* misc.c */ 353 int range(struct ship *, struct ship *); 354 struct ship *closestenemy(struct ship *, int, int); 355 int angle(int, int); 356 int gunsbear(struct ship *, struct ship *); 357 int portside(struct ship *, struct ship *, int); 358 int colours(struct ship *); 359 void logger(struct ship *); 360 361 /* parties.c */ 362 int meleeing(struct ship *, struct ship *); 363 int boarding(struct ship *, int); 364 void unboard(struct ship *, struct ship *, int); 365 366 /* pl_1.c */ 367 void child(int); 368 __dead void choke(int); 369 __dead void leave(int); 370 371 /* pl_2.c */ 372 __dead void play(void); 373 374 /* pl_3.c */ 375 void acceptcombat(void); 376 void grapungrap(void); 377 void unfoulplayer(void); 378 379 /* pl_4.c */ 380 void changesail(void); 381 void acceptsignal(void); 382 void lookout(void); 383 const char *saywhat(struct ship *, int); 384 void eyeball(struct ship *); 385 386 /* pl_5.c */ 387 void acceptmove(void); 388 void acceptboard(void); 389 void parties(int[3], struct ship *, int, int); 390 391 /* pl_6.c */ 392 void repair(void); 393 int turned(void); 394 void loadplayer(void); 395 396 /* pl_7.c */ 397 void initscreen(void); 398 void cleanupscreen(void); 399 void newturn(int); 400 void Signal(char *, struct ship *, ...) 401 __attribute__((__format__(__printf__,1,3))); 402 void Msg(char *, ...) 403 __attribute__((__format__(__printf__,1,2))); 404 void Scroll(void); 405 void prompt(const char *, struct ship *); 406 void endprompt(int); 407 int sgetch(const char *, struct ship *, int); 408 void sgetstr(const char *, char *, int); 409 void draw_screen(void); 410 void draw_view(void); 411 void draw_turn(void); 412 void draw_stat(void); 413 void draw_slot(void); 414 void draw_board(void); 415 void centerview(void); 416 void upview(void); 417 void downview(void); 418 void leftview(void); 419 void rightview(void); 420 void adjustview(void); 421 422 /* pl_main.c */ 423 __dead void pl_main(void); 424 void initialize(void); 425 426 /* sync.c */ 427 void fmtship(char *, size_t, const char *, struct ship *); 428 void makesignal(struct ship *, const char *, struct ship *, ...) 429 __attribute__((__format__(__printf__,2,4))); 430 void makemsg(struct ship *, const char *, ...) 431 __attribute__((__format__(__printf__,2,3))); 432 int sync_exists(int); 433 int sync_open(void); 434 void sync_close(int); 435 void Write(int, struct ship *, long, long, long, long); 436 void Writestr(int, struct ship *, const char *); 437 int Sync(void); 438 int sync_update(int, struct ship *, const char *, long, long, long, long); 439