1/* $NetBSD: extern.h,v 1.37 2011/08/26 06:18:18 dholland 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 */ 40extern int mode; 41#define MODE_PLAYER 1 42#define MODE_DRIVER 2 43#define MODE_LOGGER 3 44 45 /* command line flags */ 46extern bool randomize; /* -x, give first available ship */ 47extern bool longfmt; /* -l, print score in long format */ 48extern bool nobells; /* -b, don't ring bell before Signal */ 49 50 /* other initial data */ 51extern gid_t gid; 52extern gid_t egid; 53#define MAXNAMESIZE 20 54extern 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 107struct logs { 108 char l_name[MAXNAMESIZE]; 109 int l_uid; 110 int l_shipnum; 111 int l_gamenum; 112 int l_netpoints; 113}; 114 115struct BP { 116 struct ship *toship; 117 short turnsent; 118 short mensent; 119}; 120 121struct 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 140struct 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 172struct 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 182struct 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}; 190extern struct scenario scene[NSCENE]; 191extern int nscene; 192 193struct 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 215extern struct scenario *cc; /* the current scenario */ 216extern 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 221struct windeffects { 222 char A, B, C, D; 223}; 224extern const struct windeffects WET[7][6]; 225 226struct Tables { 227 char H, G, C, R; 228}; 229extern const struct Tables RigTable[11][6]; 230extern const struct Tables HullTable[11][6]; 231 232extern const char AMMO[9][4]; 233extern const char HDT[9][10]; 234extern const char HDTrake[9][10]; 235extern const char QUAL[9][5]; 236extern const char MT[9][3]; 237 238extern const char *const countryname[]; 239extern const char *const shortclassname[]; 240extern const char *const classname[]; 241extern const char *const directionname[]; 242extern const char *const qualname[]; 243extern const char loadname[]; 244 245extern const char rangeofshot[]; 246 247extern const char dr[], dc[]; 248 249extern int winddir; 250extern int windspeed; 251extern int turn; 252extern int game; 253extern int alive; 254extern int people; 255extern int hasdriver; 256 257 258/* assorted.c */ 259void table(struct ship *, struct ship *, int, int, int, int); 260void Cleansnag(struct ship *, struct ship *, int, int); 261 262/* dr_1.c */ 263void unfoul(void); 264void boardcomp(void); 265void resolve(void); 266void compcombat(void); 267int next(void); 268 269/* dr_2.c */ 270void thinkofgrapples(void); 271void checkup(void); 272void prizecheck(void); 273void closeon(struct ship *, struct ship *, char *, size_t, int, int, bool); 274 275/* dr_3.c */ 276void moveall(void); 277void sendbp(struct ship *, struct ship *, int, int); 278int is_toughmelee(struct ship *, struct ship *, int, int); 279void reload(void); 280void checksails(void); 281 282/* dr_4.c */ 283void ungrap(struct ship *, struct ship *); 284void grap(struct ship *, struct ship *); 285 286/* dr_5.c */ 287void subtract(struct ship *, struct ship *, int, int [3], int); 288int mensent(struct ship *, struct ship *, int[3], struct ship **, int *, int); 289 290/* dr_main.c */ 291int dr_main(void); 292void startdriver(void); 293 294/* game.c */ 295int maxturns(struct ship *, bool *); 296int maxmove(struct ship *, int, int); 297 298/* lo_main.c */ 299void lo_curses(void); 300int lo_main(void); 301 302/* misc.c */ 303int range(struct ship *, struct ship *); 304struct ship *closestenemy(struct ship *, int, int); 305int gunsbear(struct ship *, struct ship *); 306int portside(struct ship *, struct ship *, int); 307int colours(struct ship *); 308void logger(struct ship *); 309 310/* parties.c */ 311int meleeing(struct ship *, struct ship *); 312int boarding(struct ship *, int); 313void unboard(struct ship *, struct ship *, int); 314 315/* pl_1.c */ 316void leave(int) __dead; 317void choke(int) __dead; 318void child(int); 319 320/* pl_2.c */ 321void newturn(int); 322void play(void) __dead; 323 324/* pl_3.c */ 325void acceptcombat(void); 326void grapungrap(void); 327void unfoulplayer(void); 328 329/* pl_4.c */ 330void changesail(void); 331void acceptsignal(void); 332void lookout(void); 333const char *saywhat(struct ship *, int); 334void eyeball(struct ship *); 335 336/* pl_5.c */ 337void acceptmove(void); 338void acceptboard(void); 339 340/* pl_6.c */ 341void repair(void); 342void loadplayer(void); 343 344/* pl_7.c */ 345void initscreen(void); 346void cleanupscreen(void); 347void Signal(const char *, struct ship *, ...) __printflike(1,3); 348void Msg(const char *, ...) __printflike(1,2); 349int sgetch(const char *, struct ship *, int); 350void sgetstr(const char *, char *, int); 351void centerview(void); 352void upview(void); 353void downview(void); 354void leftview(void); 355void rightview(void); 356void startup(void); 357 358/* pl_main.c */ 359void pl_main_init(void); 360void pl_main_uninit(void); 361__dead void pl_main(void); 362 363/* sync.c */ 364void fmtship(char *, size_t, const char *, struct ship *); 365void makesignal(struct ship *, const char *, struct ship *, ...) 366 __printflike(2,4); 367void makemsg(struct ship *, const char *, ...) __printflike(2, 3); 368int sync_exists(int); 369int sync_open(void); 370void sync_close(int); 371int Sync(void); 372 373void send_captain(struct ship *ship, const char *astr); 374void send_captured(struct ship *ship, long a); 375void send_class(struct ship *ship, long a); 376void send_crew(struct ship *ship, long a, long b, long c); 377void send_dbp(struct ship *ship, long a, long b, long c, long d); 378void send_drift(struct ship *ship, long a); 379void send_explode(struct ship *ship, long a); 380void send_foul(struct ship *ship, long a); 381void send_gunl(struct ship *ship, long a, long b); 382void send_gunr(struct ship *ship, long a, long b); 383void send_hull(struct ship *ship, long a); 384void send_move(struct ship *ship, const char *astr); 385void send_obp(struct ship *ship, long a, long b, long c, long d); 386void send_pcrew(struct ship *ship, long a); 387void send_unfoul(struct ship *ship, long a, long b); 388void send_points(struct ship *ship, long a); 389void send_qual(struct ship *ship, long a); 390void send_ungrap(struct ship *ship, long a, long b); 391void send_rigg(struct ship *ship, long a, long b, long c, long d); 392void send_col(struct ship *ship, long a); 393void send_dir(struct ship *ship, long a); 394void send_row(struct ship *ship, long a); 395void send_signal(struct ship *ship, const char *astr); 396void send_sink(struct ship *ship, long a); 397void send_struck(struct ship *ship, long a); 398void send_ta(struct ship *ship, long a); 399void send_alive(void); 400void send_turn(long a); 401void send_wind(long a, long b); 402void send_fs(struct ship *ship, long a); 403void send_grap(struct ship *ship, long a); 404void send_rig1(struct ship *ship, long a); 405void send_rig2(struct ship *ship, long a); 406void send_rig3(struct ship *ship, long a); 407void send_rig4(struct ship *ship, long a); 408void send_begin(struct ship *ship); 409void send_end(struct ship *ship); 410void send_ddead(void); 411