extern.h revision 1.25
1 /* $NetBSD: extern.h,v 1.25 2003/08/07 09:37:42 agc Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)externs.h 8.1 (Berkeley) 5/31/93 32 */ 33 34 #include "machdep.h" 35 36 /* program mode */ 37 extern int mode; 38 #define MODE_PLAYER 1 39 #define MODE_DRIVER 2 40 #define MODE_LOGGER 3 41 42 /* command line flags */ 43 extern int randomize; /* -x, give first available ship */ 44 extern int longfmt; /* -l, print score in long format */ 45 extern int nobells; /* -b, don't ring bell before Signal */ 46 47 /* other initial modes */ 48 extern gid_t gid; 49 extern gid_t egid; 50 51 #define dieroll() ((random()) % 6 + 1) 52 #define sqr(a) ((a) * (a)) 53 #define abs(a) ((a) > 0 ? (a) : -(a)) 54 #define min(a,b) ((a) < (b) ? (a) : (b)) 55 56 #define grappled(a) ((a)->file->ngrap) 57 #define fouled(a) ((a)->file->nfoul) 58 #define snagged(a) (grappled(a) + fouled(a)) 59 60 #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) 61 #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) 62 #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) 63 64 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0) 65 #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0) 66 #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) 67 68 #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) 69 #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) 70 #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) 71 72 #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0)) 73 #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) 74 #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) 75 76 #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) 77 78 #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) 79 80 /* loadL and loadR, should match loadname[] */ 81 #define L_EMPTY 0 /* should be 0, don't change */ 82 #define L_GRAPE 1 83 #define L_CHAIN 2 84 #define L_ROUND 3 85 #define L_DOUBLE 4 86 #define L_EXPLODE 5 87 88 /* 89 * readyL and readyR, these are bits, except R_EMPTY 90 */ 91 #define R_EMPTY 0 /* not loaded and not loading */ 92 #define R_LOADING 1 /* loading */ 93 #define R_DOUBLE 2 /* loading double */ 94 #define R_LOADED 4 /* loaded */ 95 #define R_INITIAL 8 /* loaded initial */ 96 97 #define HULL 0 98 #define RIGGING 1 99 100 #define W_CAPTAIN 1 101 #define W_CAPTURED 2 102 #define W_CLASS 3 103 #define W_CREW 4 104 #define W_DBP 5 105 #define W_DRIFT 6 106 #define W_EXPLODE 7 107 #define W_FILE 8 108 #define W_FOUL 9 109 #define W_GUNL 10 110 #define W_GUNR 11 111 #define W_HULL 12 112 #define W_MOVE 13 113 #define W_OBP 14 114 #define W_PCREW 15 115 #define W_UNFOUL 16 116 #define W_POINTS 17 117 #define W_QUAL 18 118 #define W_UNGRAP 19 119 #define W_RIGG 20 120 #define W_COL 21 121 #define W_DIR 22 122 #define W_ROW 23 123 #define W_SIGNAL 24 124 #define W_SINK 25 125 #define W_STRUCK 26 126 #define W_TA 27 127 #define W_ALIVE 28 128 #define W_TURN 29 129 #define W_WIND 30 130 #define W_FS 31 131 #define W_GRAP 32 132 #define W_RIG1 33 133 #define W_RIG2 34 134 #define W_RIG3 35 135 #define W_RIG4 36 136 #define W_BEGIN 37 137 #define W_END 38 138 #define W_DDEAD 39 139 140 #define NLOG 10 141 struct logs { 142 char l_name[20]; 143 int l_uid; 144 int l_shipnum; 145 int l_gamenum; 146 int l_netpoints; 147 }; 148 149 struct BP { 150 short turnsent; 151 struct ship *toship; 152 short mensent; 153 }; 154 155 struct snag { 156 short sn_count; 157 short sn_turn; 158 }; 159 160 #define NSCENE nscene 161 #define NSHIP 10 162 #define NBP 3 163 164 #define NNATION 8 165 #define N_A 0 166 #define N_B 1 167 #define N_S 2 168 #define N_F 3 169 #define N_J 4 170 #define N_D 5 171 #define N_K 6 172 #define N_O 7 173 174 struct File { 175 int index; 176 char captain[20]; /* 0 */ 177 short points; /* 20 */ 178 unsigned char loadL; /* 22 */ 179 unsigned char loadR; /* 24 */ 180 unsigned char readyL; /* 26 */ 181 unsigned char readyR; /* 28 */ 182 struct BP OBP[NBP]; /* 30 */ 183 struct BP DBP[NBP]; /* 48 */ 184 char struck; /* 66 */ 185 struct ship *captured; /* 68 */ 186 short pcrew; /* 70 */ 187 char movebuf[10]; /* 72 */ 188 char drift; /* 82 */ 189 short nfoul; 190 short ngrap; 191 struct snag foul[NSHIP]; /* 84 */ 192 struct snag grap[NSHIP]; /* 124 */ 193 char RH; /* 224 */ 194 char RG; /* 226 */ 195 char RR; /* 228 */ 196 char FS; /* 230 */ 197 char explode; /* 232 */ 198 char sink; /* 234 */ 199 unsigned char dir; 200 short col; 201 short row; 202 char loadwith; 203 char stern; 204 }; 205 206 struct ship { 207 const char *shipname; /* 0 */ 208 struct shipspecs *specs; /* 2 */ 209 unsigned char nationality; /* 4 */ 210 short shiprow; /* 6 */ 211 short shipcol; /* 8 */ 212 char shipdir; /* 10 */ 213 struct File *file; /* 12 */ 214 }; 215 216 struct scenario { 217 char winddir; /* 0 */ 218 char windspeed; /* 2 */ 219 char windchange; /* 4 */ 220 unsigned char vessels; /* 12 */ 221 const char *name; /* 14 */ 222 struct ship ship[NSHIP]; /* 16 */ 223 }; 224 extern struct scenario scene[]; 225 extern int nscene; 226 227 struct shipspecs { 228 char bs; 229 char fs; 230 char ta; 231 short guns; 232 unsigned char class; 233 char hull; 234 unsigned char qual; 235 char crew1; 236 char crew2; 237 char crew3; 238 char gunL; 239 char gunR; 240 char carL; 241 char carR; 242 int rig1; 243 int rig2; 244 int rig3; 245 int rig4; 246 short pts; 247 }; 248 extern struct shipspecs specs[]; 249 250 extern struct scenario *cc; /* the current scenario */ 251 extern struct ship *ls; /* &cc->ship[cc->vessels] */ 252 253 #define SHIP(s) (&cc->ship[s]) 254 #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) 255 256 struct windeffects { 257 char A, B, C, D; 258 }; 259 extern const struct windeffects WET[7][6]; 260 261 struct Tables { 262 char H, G, C, R; 263 }; 264 extern const struct Tables RigTable[11][6]; 265 extern const struct Tables HullTable[11][6]; 266 267 extern const char AMMO[9][4]; 268 extern const char HDT[9][10]; 269 extern const char HDTrake[9][10]; 270 extern const char QUAL[9][5]; 271 extern const char MT[9][3]; 272 273 extern const char *const countryname[]; 274 extern const char *const classname[]; 275 extern const char *const directionname[]; 276 extern const char *const qualname[]; 277 extern const char loadname[]; 278 279 extern const char rangeofshot[]; 280 281 extern const char dr[], dc[]; 282 283 extern int winddir; 284 extern int windspeed; 285 extern int turn; 286 extern int game; 287 extern int alive; 288 extern int people; 289 extern int hasdriver; 290 291 /* assorted.c */ 292 void table (struct ship *, struct ship *, int, int, int, int); 293 void Cleansnag (struct ship *, struct ship *, int, int); 294 295 /* dr_1.c */ 296 void unfoul (void); 297 void boardcomp (void); 298 void resolve (void); 299 void compcombat (void); 300 int next (void); 301 302 /* dr_2.c */ 303 void thinkofgrapples (void); 304 void checkup (void); 305 void prizecheck (void); 306 void closeon (struct ship *, struct ship *, char *, int, int, int); 307 308 /* dr_3.c */ 309 void moveall (void); 310 void sendbp (struct ship *, struct ship *, int, int); 311 int is_toughmelee (struct ship *, struct ship *, int, int); 312 void reload (void); 313 void checksails (void); 314 315 /* dr_4.c */ 316 void ungrap (struct ship *, struct ship *); 317 void grap (struct ship *, struct ship *); 318 319 /* dr_5.c */ 320 void subtract (struct ship *, struct ship *, int, int [3], int); 321 int mensent (struct ship *, struct ship *, int[3], struct ship **, int *, 322 int); 323 324 /* dr_main.c */ 325 int dr_main (void); 326 327 /* game.c */ 328 int maxturns (struct ship *, char *); 329 int maxmove (struct ship *, int, int); 330 331 /* lo_main.c */ 332 int lo_main (void); 333 334 /* misc.c */ 335 int range (struct ship *, struct ship *); 336 struct ship *closestenemy (struct ship *, int, int); 337 int gunsbear (struct ship *, struct ship *); 338 int portside (struct ship *, struct ship *, int); 339 int colours (struct ship *); 340 void logger (struct ship *); 341 342 /* parties.c */ 343 int meleeing (struct ship *, struct ship *); 344 int boarding (struct ship *, int); 345 void unboard (struct ship *, struct ship *, int); 346 347 /* pl_1.c */ 348 void leave (int) __attribute__((__noreturn__)); 349 void choke (int) __attribute__((__noreturn__)); 350 void child (int); 351 352 /* pl_2.c */ 353 void play (void) __attribute__((__noreturn__)); 354 355 /* pl_3.c */ 356 void acceptcombat (void); 357 void grapungrap (void); 358 void unfoulplayer (void); 359 360 /* pl_4.c */ 361 void changesail (void); 362 void acceptsignal (void); 363 void lookout (void); 364 const char *saywhat (struct ship *, int); 365 void eyeball (struct ship *); 366 367 /* pl_5.c */ 368 void acceptmove (void); 369 void acceptboard (void); 370 371 /* pl_6.c */ 372 void repair (void); 373 void loadplayer (void); 374 375 /* pl_7.c */ 376 void initscreen (void); 377 void cleanupscreen (void); 378 void newturn (int); 379 void Signal (const char *, struct ship *, ...) 380 __attribute__((__format__(__printf__,1,3))); 381 void Msg (const char *, ...) 382 __attribute__((__format__(__printf__,1,2))); 383 void prompt (const char *, struct ship *); 384 int sgetch (const char *, struct ship *, int); 385 void sgetstr (const char *, char *, int); 386 void draw_screen (void); 387 void draw_view (void); 388 void draw_turn (void); 389 void draw_stat (void); 390 void draw_slot (void); 391 void draw_board (void); 392 void centerview (void); 393 void upview (void); 394 void downview (void); 395 void leftview (void); 396 void rightview (void); 397 398 /* pl_main.c */ 399 int pl_main (void); 400 401 /* sync.c */ 402 void fmtship (char *, size_t, const char *, struct ship *); 403 void makesignal (struct ship *, const char *, struct ship *, ...) 404 __attribute__((__format__(__printf__,2,4))); 405 void makemsg (struct ship *, const char *, ...) 406 __attribute__((__format__(__printf__,2,3))); 407 int sync_exists (int); 408 int sync_open (void); 409 void sync_close (int); 410 void Write (int, struct ship *, long, long, long, long); 411 void Writestr (int, struct ship *, const char *); 412 int Sync (void); 413
Indexes created Tue Oct 14 11:09:46 GMT 2025