extern.h revision 1.13
1 /* $NetBSD: extern.h,v 1.13 1999/12/28 18:05:24 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)externs.h 8.1 (Berkeley) 5/31/93 36 */ 37 38 #include <stdio.h> 39 #include <signal.h> 40 #include <string.h> 41 #include <ctype.h> 42 #include <setjmp.h> 43 #include "machdep.h" 44 45 /* program mode */ 46 extern int mode; 47 extern jmp_buf restart; 48 #define MODE_PLAYER 1 49 #define MODE_DRIVER 2 50 #define MODE_LOGGER 3 51 52 /* command line flags */ 53 extern char debug; /* -D */ 54 extern char randomize; /* -x, give first available ship */ 55 extern char longfmt; /* -l, print score in long format */ 56 extern char nobells; /* -b, don't ring bell before Signal */ 57 58 /* other initial modes */ 59 extern char issetuid; /* running setuid */ 60 61 #define die() ((rand() >> 3) % 6 + 1) 62 #define sqr(a) ((a) * (a)) 63 #define abs(a) ((a) > 0 ? (a) : -(a)) 64 #define min(a,b) ((a) < (b) ? (a) : (b)) 65 66 #define grappled(a) ((a)->file->ngrap) 67 #define fouled(a) ((a)->file->nfoul) 68 #define snagged(a) (grappled(a) + fouled(a)) 69 70 #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) 71 #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) 72 #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) 73 74 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0) 75 #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0) 76 #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) 77 78 #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) 79 #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) 80 #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) 81 82 #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0)) 83 #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) 84 #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) 85 86 #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) 87 88 #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) 89 90 /* loadL and loadR, should match loadname[] */ 91 #define L_EMPTY 0 /* should be 0, don't change */ 92 #define L_GRAPE 1 93 #define L_CHAIN 2 94 #define L_ROUND 3 95 #define L_DOUBLE 4 96 #define L_EXPLODE 5 97 98 /* 99 * readyL and readyR, these are bits, except R_EMPTY 100 */ 101 #define R_EMPTY 0 /* not loaded and not loading */ 102 #define R_LOADING 1 /* loading */ 103 #define R_DOUBLE 2 /* loading double */ 104 #define R_LOADED 4 /* loaded */ 105 #define R_INITIAL 8 /* loaded initial */ 106 107 #define HULL 0 108 #define RIGGING 1 109 110 #define W_CAPTAIN 1 111 #define W_CAPTURED 2 112 #define W_CLASS 3 113 #define W_CREW 4 114 #define W_DBP 5 115 #define W_DRIFT 6 116 #define W_EXPLODE 7 117 #define W_FILE 8 118 #define W_FOUL 9 119 #define W_GUNL 10 120 #define W_GUNR 11 121 #define W_HULL 12 122 #define W_MOVE 13 123 #define W_OBP 14 124 #define W_PCREW 15 125 #define W_UNFOUL 16 126 #define W_POINTS 17 127 #define W_QUAL 18 128 #define W_UNGRAP 19 129 #define W_RIGG 20 130 #define W_COL 21 131 #define W_DIR 22 132 #define W_ROW 23 133 #define W_SIGNAL 24 134 #define W_SINK 25 135 #define W_STRUCK 26 136 #define W_TA 27 137 #define W_ALIVE 28 138 #define W_TURN 29 139 #define W_WIND 30 140 #define W_FS 31 141 #define W_GRAP 32 142 #define W_RIG1 33 143 #define W_RIG2 34 144 #define W_RIG3 35 145 #define W_RIG4 36 146 #define W_BEGIN 37 147 #define W_END 38 148 #define W_DDEAD 39 149 150 #define NLOG 10 151 struct logs { 152 char l_name[20]; 153 int l_uid; 154 int l_shipnum; 155 int l_gamenum; 156 int l_netpoints; 157 }; 158 159 struct BP { 160 short turnsent; 161 struct ship *toship; 162 short mensent; 163 }; 164 165 struct snag { 166 short sn_count; 167 short sn_turn; 168 }; 169 170 #define NSCENE nscene 171 #define NSHIP 10 172 #define NBP 3 173 174 #define NNATION 8 175 #define N_A 0 176 #define N_B 1 177 #define N_S 2 178 #define N_F 3 179 #define N_J 4 180 #define N_D 5 181 #define N_K 6 182 #define N_O 7 183 184 struct File { 185 int index; 186 char captain[20]; /* 0 */ 187 short points; /* 20 */ 188 unsigned char loadL; /* 22 */ 189 unsigned char loadR; /* 24 */ 190 unsigned char readyL; /* 26 */ 191 unsigned char readyR; /* 28 */ 192 struct BP OBP[NBP]; /* 30 */ 193 struct BP DBP[NBP]; /* 48 */ 194 char struck; /* 66 */ 195 struct ship *captured; /* 68 */ 196 short pcrew; /* 70 */ 197 char movebuf[10]; /* 72 */ 198 char drift; /* 82 */ 199 short nfoul; 200 short ngrap; 201 struct snag foul[NSHIP]; /* 84 */ 202 struct snag grap[NSHIP]; /* 124 */ 203 char RH; /* 224 */ 204 char RG; /* 226 */ 205 char RR; /* 228 */ 206 char FS; /* 230 */ 207 char explode; /* 232 */ 208 char sink; /* 234 */ 209 unsigned char dir; 210 short col; 211 short row; 212 char loadwith; 213 char stern; 214 }; 215 216 struct ship { 217 const char *shipname; /* 0 */ 218 struct shipspecs *specs; /* 2 */ 219 unsigned char nationality; /* 4 */ 220 short shiprow; /* 6 */ 221 short shipcol; /* 8 */ 222 char shipdir; /* 10 */ 223 struct File *file; /* 12 */ 224 }; 225 226 struct scenario { 227 char winddir; /* 0 */ 228 char windspeed; /* 2 */ 229 char windchange; /* 4 */ 230 unsigned char vessels; /* 12 */ 231 const char *name; /* 14 */ 232 struct ship ship[NSHIP]; /* 16 */ 233 }; 234 extern struct scenario scene[]; 235 extern int nscene; 236 237 struct shipspecs { 238 char bs; 239 char fs; 240 char ta; 241 short guns; 242 unsigned char class; 243 char hull; 244 unsigned char qual; 245 char crew1; 246 char crew2; 247 char crew3; 248 char gunL; 249 char gunR; 250 char carL; 251 char carR; 252 int rig1; 253 int rig2; 254 int rig3; 255 int rig4; 256 short pts; 257 }; 258 extern struct shipspecs specs[]; 259 260 extern struct scenario *cc; /* the current scenario */ 261 extern struct ship *ls; /* &cc->ship[cc->vessels] */ 262 263 #define SHIP(s) (&cc->ship[s]) 264 #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) 265 266 struct windeffects { 267 char A, B, C, D; 268 }; 269 extern const struct windeffects WET[7][6]; 270 271 struct Tables { 272 char H, G, C, R; 273 }; 274 extern const struct Tables RigTable[11][6]; 275 extern const struct Tables HullTable[11][6]; 276 277 extern const char AMMO[9][4]; 278 extern const char HDT[9][10]; 279 extern const char HDTrake[9][10]; 280 extern const char QUAL[9][5]; 281 extern const char MT[9][3]; 282 283 extern const char *const countryname[]; 284 extern const char *const classname[]; 285 extern const char *const directionname[]; 286 extern const char *const qualname[]; 287 extern const char loadname[]; 288 289 extern const char rangeofshot[]; 290 291 extern const char dr[], dc[]; 292 293 extern int winddir; 294 extern int windspeed; 295 extern int turn; 296 extern int game; 297 extern int alive; 298 extern int people; 299 extern char hasdriver; 300 301 /* assorted.c */ 302 void table __P((int, int, int, struct ship *, struct ship *, int)); 303 void Cleansnag __P((struct ship *, struct ship *, int, int)); 304 305 /* dr_1.c */ 306 void unfoul __P((void)); 307 void boardcomp __P((void)); 308 int fightitout __P((struct ship *, struct ship *, int)); 309 void resolve __P((void)); 310 void compcombat __P((void)); 311 int next __P((void)); 312 313 /* dr_2.c */ 314 void thinkofgrapples __P((void)); 315 void checkup __P((void)); 316 void prizecheck __P((void)); 317 int str_end __P((const char *)); 318 void closeon __P((struct ship *, struct ship *, char[], int, int, int)); 319 int score __P((char[], struct ship *, struct ship *, int)); 320 void move_ship __P((const char *, struct ship *, unsigned char *, short *, short *, char *)); 321 void try __P((char[], char [], int, int, int, int, int, struct ship *, 322 struct ship *, int *, int)); 323 void rmend __P((char *)); 324 325 /* dr_3.c */ 326 void moveall __P((void)); 327 int stillmoving __P((int)); 328 int is_isolated __P((struct ship *)); 329 int push __P((struct ship *, struct ship *)); 330 void step __P((int, struct ship *, char *)); 331 void sendbp __P((struct ship *, struct ship *, int, int)); 332 int is_toughmelee __P((struct ship *, struct ship *, int, int)); 333 void reload __P((void)); 334 void checksails __P((void)); 335 336 /* dr_4.c */ 337 void ungrap __P((struct ship *, struct ship *)); 338 void grap __P((struct ship *, struct ship *)); 339 340 /* dr_5.c */ 341 void subtract __P((struct ship *, int, int [3], struct ship *, int)); 342 int mensent __P((struct ship *, struct ship *, int[3], struct ship **, int *, 343 int)); 344 345 /* dr_main.c */ 346 int dr_main __P((void)); 347 348 /* game.c */ 349 int maxturns __P((struct ship *, char *)); 350 int maxmove __P((struct ship *, int, int)); 351 352 /* lo_main.c */ 353 int lo_main __P((void)); 354 355 /* misc.c */ 356 int range __P((struct ship *, struct ship *)); 357 struct ship *closestenemy __P((struct ship *, int, int)); 358 int angle __P((int, int)); 359 int gunsbear __P((struct ship *, struct ship *)); 360 int portside __P((struct ship *, struct ship *, int)); 361 int colours __P((struct ship *)); 362 void logger __P((struct ship *)); 363 364 /* parties.c */ 365 int meleeing __P((struct ship *, struct ship *)); 366 int boarding __P((struct ship *, int)); 367 void unboard __P((struct ship *, struct ship *, int)); 368 369 /* pl_1.c */ 370 void leave __P((int)) __attribute__((__noreturn__)); 371 void choke __P((int)) __attribute__((__noreturn__)); 372 void child __P((int)); 373 374 /* pl_2.c */ 375 void play __P((void)) __attribute__((__noreturn__)); 376 377 /* pl_3.c */ 378 void acceptcombat __P((void)); 379 void grapungrap __P((void)); 380 void unfoulplayer __P((void)); 381 382 /* pl_4.c */ 383 void changesail __P((void)); 384 void acceptsignal __P((void)); 385 void lookout __P((void)); 386 const char *saywhat __P((struct ship *, int)); 387 void eyeball __P((struct ship *)); 388 389 /* pl_5.c */ 390 void acceptmove __P((void)); 391 void acceptboard __P((void)); 392 void parties __P((int[3], struct ship *, int, int)); 393 394 /* pl_6.c */ 395 void repair __P((void)); 396 int turned __P((void)); 397 void loadplayer __P((void)); 398 399 /* pl_7.c */ 400 void initscreen __P((void)); 401 void cleanupscreen __P((void)); 402 void newturn __P((int)); 403 void Signal __P((const char *, struct ship *, ...)) 404 __attribute__((__format__(__printf__,1,3))); 405 void Msg __P((const char *, ...)) 406 __attribute__((__format__(__printf__,1,2))); 407 void Scroll __P((void)); 408 void prompt __P((const char *, struct ship *)); 409 void endprompt __P((int)); 410 int sgetch __P((const char *, struct ship *, int)); 411 void sgetstr __P((const char *, char *, int)); 412 void draw_screen __P((void)); 413 void draw_view __P((void)); 414 void draw_turn __P((void)); 415 void draw_stat __P((void)); 416 void draw_slot __P((void)); 417 void draw_board __P((void)); 418 void centerview __P((void)); 419 void upview __P((void)); 420 void downview __P((void)); 421 void leftview __P((void)); 422 void rightview __P((void)); 423 void adjustview __P((void)); 424 425 /* pl_main.c */ 426 int pl_main __P((void)); 427 void initialize __P((void)); 428 429 /* sync.c */ 430 void fmtship __P((char *, size_t, const char *, struct ship *)); 431 void makesignal __P((struct ship *, const char *, struct ship *, ...)) 432 __attribute__((__format__(__printf__,2,4))); 433 void makemsg __P((struct ship *, const char *, ...)) 434 __attribute__((__format__(__printf__,2,3))); 435 int sync_exists __P((int)); 436 int sync_open __P((void)); 437 void sync_close __P((int)); 438 void Write __P((int, struct ship *, long, long, long, long)); 439 void Writestr __P((int, struct ship *, const char *)); 440 int Sync __P((void)); 441 int sync_update __P((int, struct ship *, const char *, long, long, long, long)); 442
Indexes created Thu Oct 02 01:09:59 GMT 2025