1 /* $NetBSD: extern.h,v 1.38 2011/08/29 20:30:37 joerg 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 #include <stdbool.h> 36 37 #include "machdep.h" 38 39 /* program mode */ 40 extern int mode; 41 #define MODE_PLAYER 1 42 #define MODE_DRIVER 2 43 #define MODE_LOGGER 3 44 45 /* command line flags */ 46 extern bool randomize; /* -x, give first available ship */ 47 extern bool longfmt; /* -l, print score in long format */ 48 extern bool nobells; /* -b, don't ring bell before Signal */ 49 50 /* other initial data */ 51 extern gid_t gid; 52 extern gid_t egid; 53 #define MAXNAMESIZE 20 54 extern char myname[MAXNAMESIZE]; 55 56 #define dieroll() ((random()) % 6 + 1) 57 #define sqr(a) ((a) * (a)) 58 #define min(a,b) ((a) < (b) ? (a) : (b)) 59 60 #define grappled(a) ((a)->file->ngrap) 61 #define fouled(a) ((a)->file->nfoul) 62 #define snagged(a) (grappled(a) + fouled(a)) 63 64 #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) 65 #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) 66 #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) 67 68 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 \ 69 ? grappled2(a, b) : 0) 70 #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 \ 71 ? fouled2(a, b) : 0) 72 #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) 73 74 #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) 75 #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) 76 #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) 77 78 #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured ? 10 : 0)) 79 #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) 80 #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) 81 82 #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) 83 84 #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) 85 86 /* loadL and loadR, should match loadname[] */ 87 #define L_EMPTY 0 /* should be 0, don't change */ 88 #define L_GRAPE 1 89 #define L_CHAIN 2 90 #define L_ROUND 3 91 #define L_DOUBLE 4 92 #define L_EXPLODE 5 93 94 /* 95 * readyL and readyR, these are bits, except R_EMPTY 96 */ 97 #define R_EMPTY 0 /* not loaded and not loading */ 98 #define R_LOADING 1 /* loading */ 99 #define R_DOUBLE 2 /* loading double */ 100 #define R_LOADED 4 /* loaded */ 101 #define R_INITIAL 8 /* loaded initial */ 102 103 #define HULL 0 104 #define RIGGING 1 105 106 #define NLOG 10 107 struct logs { 108 char l_name[MAXNAMESIZE]; 109 int l_uid; 110 int l_shipnum; 111 int l_gamenum; 112 int l_netpoints; 113 }; 114 115 struct BP { 116 struct ship *toship; 117 short turnsent; 118 short mensent; 119 }; 120 121 struct snag { 122 short sn_count; 123 short sn_turn; 124 }; 125 126 #define NSCENE /*nscene*/ 32 127 #define NSHIP 10 128 #define NBP 3 129 130 #define NNATION 8 131 #define N_A 0 132 #define N_B 1 133 #define N_S 2 134 #define N_F 3 135 #define N_J 4 136 #define N_D 5 137 #define N_K 6 138 #define N_O 7 139 140 struct File { 141 int index; 142 char captain[MAXNAMESIZE]; /* 0 */ 143 short points; /* 20 */ 144 unsigned char loadL; /* 22 */ 145 unsigned char loadR; /* 24 */ 146 unsigned char readyL; /* 26 */ 147 unsigned char readyR; /* 28 */ 148 struct BP OBP[NBP]; /* 30 */ 149 struct BP DBP[NBP]; /* 48 */ 150 char struck; /* 66 */ 151 struct ship *captured; /* 68 */ 152 short pcrew; /* 70 */ 153 char movebuf[10]; /* 72 */ 154 char drift; /* 82 */ 155 short nfoul; 156 short ngrap; 157 struct snag foul[NSHIP]; /* 84 */ 158 struct snag grap[NSHIP]; /* 124 */ 159 char RH; /* 224 */ 160 char RG; /* 226 */ 161 char RR; /* 228 */ 162 char FS; /* 230 */ 163 char explode; /* 232 */ 164 char sink; /* 234 */ 165 unsigned char dir; 166 short col; 167 short row; 168 char loadwith; 169 char stern; 170 }; 171 172 struct ship { 173 const char *shipname; /* 0 */ 174 struct shipspecs *specs; /* 2 */ 175 unsigned char nationality; /* 4 */ 176 short shiprow; /* 6 */ 177 short shipcol; /* 8 */ 178 char shipdir; /* 10 */ 179 struct File *file; /* 12 */ 180 }; 181 182 struct scenario { 183 char winddir; /* 0 */ 184 char windspeed; /* 2 */ 185 char windchange; /* 4 */ 186 unsigned char vessels; /* 12 */ 187 const char *name; /* 14 */ 188 struct ship ship[NSHIP]; /* 16 */ 189 }; 190 extern struct scenario scene[NSCENE]; 191 extern int nscene; 192 193 struct shipspecs { 194 char bs; 195 char fs; 196 char ta; 197 short guns; 198 unsigned char class; 199 char hull; 200 unsigned char qual; 201 char crew1; 202 char crew2; 203 char crew3; 204 char gunL; 205 char gunR; 206 char carL; 207 char carR; 208 int rig1; 209 int rig2; 210 int rig3; 211 int rig4; 212 short pts; 213 }; 214 215 extern struct scenario *cc; /* the current scenario */ 216 extern struct ship *ls; /* &cc->ship[cc->vessels] */ 217 218 #define SHIP(s) (&cc->ship[s]) 219 #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) 220 221 struct windeffects { 222 char A, B, C, D; 223 }; 224 extern const struct windeffects WET[7][6]; 225 226 struct Tables { 227 char H, G, C, R; 228 }; 229 extern const struct Tables RigTable[11][6]; 230 extern const struct Tables HullTable[11][6]; 231 232 extern const char AMMO[9][4]; 233 extern const char HDT[9][10]; 234 extern const char HDTrake[9][10]; 235 extern const char QUAL[9][5]; 236 extern const char MT[9][3]; 237 238 extern const char *const countryname[]; 239 extern const char *const shortclassname[]; 240 extern const char *const classname[]; 241 extern const char *const directionname[]; 242 extern const char *const qualname[]; 243 extern const char loadname[]; 244 245 extern const char rangeofshot[]; 246 247 extern const char dr[], dc[]; 248 249 extern int winddir; 250 extern int windspeed; 251 extern int turn; 252 extern int game; 253 extern int alive; 254 extern int people; 255 extern int hasdriver; 256 257 258 /* assorted.c */ 259 void table(struct ship *, struct ship *, int, int, int, int); 260 void Cleansnag(struct ship *, struct ship *, int, int); 261 262 /* dr_1.c */ 263 void unfoul(void); 264 void boardcomp(void); 265 void resolve(void); 266 void compcombat(void); 267 int next(void); 268 269 /* dr_2.c */ 270 void thinkofgrapples(void); 271 void checkup(void); 272 void prizecheck(void); 273 void closeon(struct ship *, struct ship *, char *, size_t, int, int, bool); 274 275 /* dr_3.c */ 276 void moveall(void); 277 void sendbp(struct ship *, struct ship *, int, int); 278 int is_toughmelee(struct ship *, struct ship *, int, int); 279 void reload(void); 280 void checksails(void); 281 282 /* dr_4.c */ 283 void ungrap(struct ship *, struct ship *); 284 void grap(struct ship *, struct ship *); 285 286 /* dr_5.c */ 287 void subtract(struct ship *, struct ship *, int, int [3], int); 288 int mensent(struct ship *, struct ship *, int[3], struct ship **, int *, int); 289 290 /* dr_main.c */ 291 int dr_main(void); 292 void startdriver(void); 293 294 /* game.c */ 295 int maxturns(struct ship *, bool *); 296 int maxmove(struct ship *, int, int); 297 298 /* lo_main.c */ 299 void lo_curses(void); 300 int lo_main(void); 301 302 /* misc.c */ 303 int range(struct ship *, struct ship *); 304 struct ship *closestenemy(struct ship *, int, int); 305 int gunsbear(struct ship *, struct ship *); 306 int portside(struct ship *, struct ship *, int); 307 int colours(struct ship *); 308 void logger(struct ship *); 309 310 /* parties.c */ 311 int meleeing(struct ship *, struct ship *); 312 int boarding(struct ship *, int); 313 void unboard(struct ship *, struct ship *, int); 314 315 /* pl_1.c */ 316 void leave(int) __dead; 317 void choke(int) __dead; 318 void child(int); 319 320 /* pl_2.c */ 321 void newturn(int); 322 void play(void) __dead; 323 324 /* pl_3.c */ 325 void acceptcombat(void); 326 void grapungrap(void); 327 void unfoulplayer(void); 328 329 /* pl_4.c */ 330 void changesail(void); 331 void acceptsignal(void); 332 void lookout(void); 333 const char *saywhat(struct ship *, int); 334 void eyeball(struct ship *); 335 336 /* pl_5.c */ 337 void acceptmove(void); 338 void acceptboard(void); 339 340 /* pl_6.c */ 341 void repair(void); 342 void loadplayer(void); 343 344 /* pl_7.c */ 345 void initscreen(void); 346 void cleanupscreen(void); 347 void Signal(const char *, struct ship *, ...) __printflike(1,3); 348 void Msg(const char *, ...) __printflike(1,2); 349 int sgetch(const char *, struct ship *, int); 350 void sgetstr(const char *, char *, int); 351 void centerview(void); 352 void upview(void); 353 void downview(void); 354 void leftview(void); 355 void rightview(void); 356 void startup(void); 357 358 /* pl_main.c */ 359 void pl_main_init(void); 360 void pl_main_uninit(void); 361 __dead void pl_main(void); 362 363 /* sync.c */ 364 void fmtship(char *, size_t, const char *, struct ship *); 365 void makesignal(struct ship *, const char *, struct ship *, ...) 366 __printflike(2,4); 367 void makemsg(struct ship *, const char *, ...) __printflike(2, 3); 368 int sync_exists(int); 369 int sync_open(void); 370 void sync_close(int); 371 int Sync(void); 372 373 void send_captain(struct ship *ship, const char *astr); 374 void send_captured(struct ship *ship, long a); 375 void send_class(struct ship *ship, long a); 376 void send_crew(struct ship *ship, long a, long b, long c); 377 void send_dbp(struct ship *ship, long a, long b, long c, long d); 378 void send_drift(struct ship *ship, long a); 379 void send_explode(struct ship *ship, long a); 380 void send_foul(struct ship *ship, long a); 381 void send_gunl(struct ship *ship, long a, long b); 382 void send_gunr(struct ship *ship, long a, long b); 383 void send_hull(struct ship *ship, long a); 384 void send_move(struct ship *ship, const char *astr); 385 void send_obp(struct ship *ship, long a, long b, long c, long d); 386 void send_pcrew(struct ship *ship, long a); 387 void send_unfoul(struct ship *ship, long a, long b); 388 void send_points(struct ship *ship, long a); 389 void send_qual(struct ship *ship, long a); 390 void send_ungrap(struct ship *ship, long a, long b); 391 void send_rigg(struct ship *ship, long a, long b, long c, long d); 392 void send_col(struct ship *ship, long a); 393 void send_dir(struct ship *ship, long a); 394 void send_row(struct ship *ship, long a); 395 void send_signal(struct ship *ship, const char *astr); 396 void send_sink(struct ship *ship, long a); 397 void send_struck(struct ship *ship, long a); 398 void send_ta(struct ship *ship, long a); 399 void send_alive(void); 400 void send_turn(long a); 401 void send_wind(long a, long b); 402 void send_fs(struct ship *ship, long a); 403 void send_grap(struct ship *ship, long a); 404 void send_rig1(struct ship *ship, long a); 405 void send_rig2(struct ship *ship, long a); 406 void send_rig3(struct ship *ship, long a); 407 void send_rig4(struct ship *ship, long a); 408 void send_begin(struct ship *ship); 409 void send_end(struct ship *ship); 410 void send_ddead(void); 411