extern.h revision 1.26
1 /* $NetBSD: extern.h,v 1.26 2004/01/27 20:27:29 jsm 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 <sys/types.h> 35 36 #include "machdep.h" 37 38 /* program mode */ 39 extern int mode; 40 #define MODE_PLAYER 1 41 #define MODE_DRIVER 2 42 #define MODE_LOGGER 3 43 44 /* command line flags */ 45 extern int randomize; /* -x, give first available ship */ 46 extern int longfmt; /* -l, print score in long format */ 47 extern int nobells; /* -b, don't ring bell before Signal */ 48 49 /* other initial modes */ 50 extern gid_t gid; 51 extern gid_t egid; 52 53 #define dieroll() ((random()) % 6 + 1) 54 #define sqr(a) ((a) * (a)) 55 #define abs(a) ((a) > 0 ? (a) : -(a)) 56 #define min(a,b) ((a) < (b) ? (a) : (b)) 57 58 #define grappled(a) ((a)->file->ngrap) 59 #define fouled(a) ((a)->file->nfoul) 60 #define snagged(a) (grappled(a) + fouled(a)) 61 62 #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) 63 #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) 64 #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) 65 66 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0) 67 #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0) 68 #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) 69 70 #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) 71 #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) 72 #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) 73 74 #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0)) 75 #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) 76 #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) 77 78 #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) 79 80 #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) 81 82 /* loadL and loadR, should match loadname[] */ 83 #define L_EMPTY 0 /* should be 0, don't change */ 84 #define L_GRAPE 1 85 #define L_CHAIN 2 86 #define L_ROUND 3 87 #define L_DOUBLE 4 88 #define L_EXPLODE 5 89 90 /* 91 * readyL and readyR, these are bits, except R_EMPTY 92 */ 93 #define R_EMPTY 0 /* not loaded and not loading */ 94 #define R_LOADING 1 /* loading */ 95 #define R_DOUBLE 2 /* loading double */ 96 #define R_LOADED 4 /* loaded */ 97 #define R_INITIAL 8 /* loaded initial */ 98 99 #define HULL 0 100 #define RIGGING 1 101 102 #define W_CAPTAIN 1 103 #define W_CAPTURED 2 104 #define W_CLASS 3 105 #define W_CREW 4 106 #define W_DBP 5 107 #define W_DRIFT 6 108 #define W_EXPLODE 7 109 #define W_FILE 8 110 #define W_FOUL 9 111 #define W_GUNL 10 112 #define W_GUNR 11 113 #define W_HULL 12 114 #define W_MOVE 13 115 #define W_OBP 14 116 #define W_PCREW 15 117 #define W_UNFOUL 16 118 #define W_POINTS 17 119 #define W_QUAL 18 120 #define W_UNGRAP 19 121 #define W_RIGG 20 122 #define W_COL 21 123 #define W_DIR 22 124 #define W_ROW 23 125 #define W_SIGNAL 24 126 #define W_SINK 25 127 #define W_STRUCK 26 128 #define W_TA 27 129 #define W_ALIVE 28 130 #define W_TURN 29 131 #define W_WIND 30 132 #define W_FS 31 133 #define W_GRAP 32 134 #define W_RIG1 33 135 #define W_RIG2 34 136 #define W_RIG3 35 137 #define W_RIG4 36 138 #define W_BEGIN 37 139 #define W_END 38 140 #define W_DDEAD 39 141 142 #define NLOG 10 143 struct logs { 144 char l_name[20]; 145 int l_uid; 146 int l_shipnum; 147 int l_gamenum; 148 int l_netpoints; 149 }; 150 151 struct BP { 152 short turnsent; 153 struct ship *toship; 154 short mensent; 155 }; 156 157 struct snag { 158 short sn_count; 159 short sn_turn; 160 }; 161 162 #define NSCENE nscene 163 #define NSHIP 10 164 #define NBP 3 165 166 #define NNATION 8 167 #define N_A 0 168 #define N_B 1 169 #define N_S 2 170 #define N_F 3 171 #define N_J 4 172 #define N_D 5 173 #define N_K 6 174 #define N_O 7 175 176 struct File { 177 int index; 178 char captain[20]; /* 0 */ 179 short points; /* 20 */ 180 unsigned char loadL; /* 22 */ 181 unsigned char loadR; /* 24 */ 182 unsigned char readyL; /* 26 */ 183 unsigned char readyR; /* 28 */ 184 struct BP OBP[NBP]; /* 30 */ 185 struct BP DBP[NBP]; /* 48 */ 186 char struck; /* 66 */ 187 struct ship *captured; /* 68 */ 188 short pcrew; /* 70 */ 189 char movebuf[10]; /* 72 */ 190 char drift; /* 82 */ 191 short nfoul; 192 short ngrap; 193 struct snag foul[NSHIP]; /* 84 */ 194 struct snag grap[NSHIP]; /* 124 */ 195 char RH; /* 224 */ 196 char RG; /* 226 */ 197 char RR; /* 228 */ 198 char FS; /* 230 */ 199 char explode; /* 232 */ 200 char sink; /* 234 */ 201 unsigned char dir; 202 short col; 203 short row; 204 char loadwith; 205 char stern; 206 }; 207 208 struct ship { 209 const char *shipname; /* 0 */ 210 struct shipspecs *specs; /* 2 */ 211 unsigned char nationality; /* 4 */ 212 short shiprow; /* 6 */ 213 short shipcol; /* 8 */ 214 char shipdir; /* 10 */ 215 struct File *file; /* 12 */ 216 }; 217 218 struct scenario { 219 char winddir; /* 0 */ 220 char windspeed; /* 2 */ 221 char windchange; /* 4 */ 222 unsigned char vessels; /* 12 */ 223 const char *name; /* 14 */ 224 struct ship ship[NSHIP]; /* 16 */ 225 }; 226 extern struct scenario scene[]; 227 extern int nscene; 228 229 struct shipspecs { 230 char bs; 231 char fs; 232 char ta; 233 short guns; 234 unsigned char class; 235 char hull; 236 unsigned char qual; 237 char crew1; 238 char crew2; 239 char crew3; 240 char gunL; 241 char gunR; 242 char carL; 243 char carR; 244 int rig1; 245 int rig2; 246 int rig3; 247 int rig4; 248 short pts; 249 }; 250 extern struct shipspecs specs[]; 251 252 extern struct scenario *cc; /* the current scenario */ 253 extern struct ship *ls; /* &cc->ship[cc->vessels] */ 254 255 #define SHIP(s) (&cc->ship[s]) 256 #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) 257 258 struct windeffects { 259 char A, B, C, D; 260 }; 261 extern const struct windeffects WET[7][6]; 262 263 struct Tables { 264 char H, G, C, R; 265 }; 266 extern const struct Tables RigTable[11][6]; 267 extern const struct Tables HullTable[11][6]; 268 269 extern const char AMMO[9][4]; 270 extern const char HDT[9][10]; 271 extern const char HDTrake[9][10]; 272 extern const char QUAL[9][5]; 273 extern const char MT[9][3]; 274 275 extern const char *const countryname[]; 276 extern const char *const classname[]; 277 extern const char *const directionname[]; 278 extern const char *const qualname[]; 279 extern const char loadname[]; 280 281 extern const char rangeofshot[]; 282 283 extern const char dr[], dc[]; 284 285 extern int winddir; 286 extern int windspeed; 287 extern int turn; 288 extern int game; 289 extern int alive; 290 extern int people; 291 extern int hasdriver; 292 293 /* assorted.c */ 294 void table (struct ship *, struct ship *, int, int, int, int); 295 void Cleansnag (struct ship *, struct ship *, int, int); 296 297 /* dr_1.c */ 298 void unfoul (void); 299 void boardcomp (void); 300 void resolve (void); 301 void compcombat (void); 302 int next (void); 303 304 /* dr_2.c */ 305 void thinkofgrapples (void); 306 void checkup (void); 307 void prizecheck (void); 308 void closeon (struct ship *, struct ship *, char *, int, int, int); 309 310 /* dr_3.c */ 311 void moveall (void); 312 void sendbp (struct ship *, struct ship *, int, int); 313 int is_toughmelee (struct ship *, struct ship *, int, int); 314 void reload (void); 315 void checksails (void); 316 317 /* dr_4.c */ 318 void ungrap (struct ship *, struct ship *); 319 void grap (struct ship *, struct ship *); 320 321 /* dr_5.c */ 322 void subtract (struct ship *, struct ship *, int, int [3], int); 323 int mensent (struct ship *, struct ship *, int[3], struct ship **, int *, 324 int); 325 326 /* dr_main.c */ 327 int dr_main (void); 328 329 /* game.c */ 330 int maxturns (struct ship *, char *); 331 int maxmove (struct ship *, int, int); 332 333 /* lo_main.c */ 334 int lo_main (void); 335 336 /* misc.c */ 337 int range (struct ship *, struct ship *); 338 struct ship *closestenemy (struct ship *, int, int); 339 int gunsbear (struct ship *, struct ship *); 340 int portside (struct ship *, struct ship *, int); 341 int colours (struct ship *); 342 void logger (struct ship *); 343 344 /* parties.c */ 345 int meleeing (struct ship *, struct ship *); 346 int boarding (struct ship *, int); 347 void unboard (struct ship *, struct ship *, int); 348 349 /* pl_1.c */ 350 void leave (int) __attribute__((__noreturn__)); 351 void choke (int) __attribute__((__noreturn__)); 352 void child (int); 353 354 /* pl_2.c */ 355 void play (void) __attribute__((__noreturn__)); 356 357 /* pl_3.c */ 358 void acceptcombat (void); 359 void grapungrap (void); 360 void unfoulplayer (void); 361 362 /* pl_4.c */ 363 void changesail (void); 364 void acceptsignal (void); 365 void lookout (void); 366 const char *saywhat (struct ship *, int); 367 void eyeball (struct ship *); 368 369 /* pl_5.c */ 370 void acceptmove (void); 371 void acceptboard (void); 372 373 /* pl_6.c */ 374 void repair (void); 375 void loadplayer (void); 376 377 /* pl_7.c */ 378 void initscreen (void); 379 void cleanupscreen (void); 380 void newturn (int); 381 void Signal (const char *, struct ship *, ...) 382 __attribute__((__format__(__printf__,1,3))); 383 void Msg (const char *, ...) 384 __attribute__((__format__(__printf__,1,2))); 385 void prompt (const char *, struct ship *); 386 int sgetch (const char *, struct ship *, int); 387 void sgetstr (const char *, char *, int); 388 void draw_screen (void); 389 void draw_view (void); 390 void draw_turn (void); 391 void draw_stat (void); 392 void draw_slot (void); 393 void draw_board (void); 394 void centerview (void); 395 void upview (void); 396 void downview (void); 397 void leftview (void); 398 void rightview (void); 399 400 /* pl_main.c */ 401 int pl_main (void); 402 403 /* sync.c */ 404 void fmtship (char *, size_t, const char *, struct ship *); 405 void makesignal (struct ship *, const char *, struct ship *, ...) 406 __attribute__((__format__(__printf__,2,4))); 407 void makemsg (struct ship *, const char *, ...) 408 __attribute__((__format__(__printf__,2,3))); 409 int sync_exists (int); 410 int sync_open (void); 411 void sync_close (int); 412 void Write (int, struct ship *, long, long, long, long); 413 void Writestr (int, struct ship *, const char *); 414 int Sync (void); 415
Indexes created Thu Oct 02 07:10:07 GMT 2025