games/sail/externs.h

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)externs.h   8.1 (Berkeley) 5/31/93
  34  * $DragonFly: src/games/sail/externs.h,v 1.4 2006/09/03 17:33:13 pavalos Exp $
  35  */
  36
  37 #include <stdarg.h>
  38 #include <stdbool.h>
  39 #include <string.h>
  40 #include <stdio.h>
  41 #include <signal.h>
  42 #include <ctype.h>
  43 #include <setjmp.h>
  44 #include <stdlib.h>
  45 #include <unistd.h>
  46 #include "machdep.h"
  47
  48         /* program mode */
  49 extern int mode;
  50 extern jmp_buf restart;
  51 #define MODE_PLAYER     1
  52 #define MODE_DRIVER     2
  53 #define MODE_LOGGER     3
  54
  55         /* command line flags */
  56 extern char debug;                              /* -D */
  57 extern char randomize;                          /* -x, give first available ship */
  58 extern char longfmt;                            /* -l, print score in long format */
  59 extern char nobells;                            /* -b, don't ring bell before Signal */
  60
  61         /* other initial modes */
  62 extern char issetuid;                           /* running setuid */
  63
  64 #define die()           (random() % 6 + 1)
  65 #define sqr(a)          ((a) * (a))
  66 #define abs(a)          ((a) > 0 ? (a) : -(a))
  67 #define min(a,b)        ((a) < (b) ? (a) : (b))
  68
  69 #define grappled(a)     ((a)->file->ngrap)
  70 #define fouled(a)       ((a)->file->nfoul)
  71 #define snagged(a)      (grappled(a) + fouled(a))
  72
  73 #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count)
  74 #define fouled2(a, b)   ((a)->file->foul[(b)->file->index].sn_count)
  75 #define snagged2(a, b)  (grappled2(a, b) + fouled2(a, b))
  76
  77 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0)
  78 #define Xfouled2(a, b)  ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0)
  79 #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b))
  80
  81 #define cleangrapple(a, b, c)   Cleansnag(a, b, c, 1)
  82 #define cleanfoul(a, b, c)      Cleansnag(a, b, c, 2)
  83 #define cleansnag(a, b, c)      Cleansnag(a, b, c, 3)
  84
  85 #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0))
  86 #define sternrow(sp)    ((sp)->file->row + dr[(sp)->file->dir])
  87 #define sterncol(sp)    ((sp)->file->col + dc[(sp)->file->dir])
  88
  89 #define capship(sp)     ((sp)->file->captured?(sp)->file->captured:(sp))
  90
  91 #define readyname(r)    ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' '))
  92
  93 /* loadL and loadR, should match loadname[] */
  94 #define L_EMPTY         0               /* should be 0, don't change */
  95 #define L_GRAPE         1
  96 #define L_CHAIN         2
  97 #define L_ROUND         3
  98 #define L_DOUBLE        4
  99 #define L_EXPLODE       5
 100
 101 /*
 102  * readyL and readyR, these are bits, except R_EMPTY
 103  */
 104 #define R_EMPTY         0               /* not loaded and not loading */
 105 #define R_LOADING       1               /* loading */
 106 #define R_DOUBLE        2               /* loading double */
 107 #define R_LOADED        4               /* loaded */
 108 #define R_INITIAL       8               /* loaded initial */
 109
 110 #define HULL            0
 111 #define RIGGING         1
 112
 113 #define W_CAPTAIN       1
 114 #define W_CAPTURED      2
 115 #define W_CLASS         3
 116 #define W_CREW          4
 117 #define W_DBP           5
 118 #define W_DRIFT         6
 119 #define W_EXPLODE       7
 120 #define W_FILE          8
 121 #define W_FOUL          9
 122 #define W_GUNL          10
 123 #define W_GUNR          11
 124 #define W_HULL          12
 125 #define W_MOVE          13
 126 #define W_OBP           14
 127 #define W_PCREW         15
 128 #define W_UNFOUL        16
 129 #define W_POINTS        17
 130 #define W_QUAL          18
 131 #define W_UNGRAP        19
 132 #define W_RIGG          20
 133 #define W_COL           21
 134 #define W_DIR           22
 135 #define W_ROW           23
 136 #define W_SIGNAL        24
 137 #define W_SINK          25
 138 #define W_STRUCK        26
 139 #define W_TA            27
 140 #define W_ALIVE         28
 141 #define W_TURN          29
 142 #define W_WIND          30
 143 #define W_FS            31
 144 #define W_GRAP          32
 145 #define W_RIG1          33
 146 #define W_RIG2          34
 147 #define W_RIG3          35
 148 #define W_RIG4          36
 149 #define W_BEGIN         37
 150 #define W_END           38
 151 #define W_DDEAD         39
 152
 153 #define NLOG 10
 154 struct logs {
 155         char l_name[20];
 156         int l_uid;
 157         int l_shipnum;
 158         int l_gamenum;
 159         int l_netpoints;
 160 };
 161
 162 struct BP {
 163         short turnsent;
 164         struct ship *toship;
 165         short mensent;
 166 };
 167
 168 struct snag {
 169         short sn_count;
 170         short sn_turn;
 171 };
 172
 173 #define NSCENE  nscene
 174 #define NSHIP   10
 175 #define NBP     3
 176
 177 #define NNATION 8
 178 #define N_A     0
 179 #define N_B     1
 180 #define N_S     2
 181 #define N_F     3
 182 #define N_J     4
 183 #define N_D     5
 184 #define N_K     6
 185 #define N_O     7
 186
 187 struct File {
 188         int index;
 189         char captain[20];               /* 0 */
 190         short points;                   /* 20 */
 191         unsigned char loadL;            /* 22 */
 192         unsigned char loadR;            /* 24 */
 193         char readyL;                    /* 26 */
 194         char readyR;                    /* 28 */
 195         struct BP OBP[NBP];             /* 30 */
 196         struct BP DBP[NBP];             /* 48 */
 197         char struck;                    /* 66 */
 198         struct ship *captured;          /* 68 */
 199         short pcrew;                    /* 70 */
 200         char movebuf[60];               /* 72 */
 201         char drift;                     /* 132 */
 202         short nfoul;
 203         short ngrap;
 204         struct snag foul[NSHIP];        /* 134 */
 205         struct snag grap[NSHIP];        /* 144 */
 206         char RH;                        /* 274 */
 207         char RG;                        /* 276 */
 208         char RR;                        /* 278 */
 209         char FS;                        /* 280 */
 210         char explode;                   /* 282 */
 211         char sink;                      /* 284 */
 212         unsigned char dir;
 213         short col;
 214         short row;
 215         char loadwith;
 216         char stern;
 217 };
 218
 219 struct ship {
 220         const char *shipname;           /* 0 */
 221         struct shipspecs *specs;        /* 2 */
 222         unsigned char nationality;      /* 4 */
 223         short shiprow;                  /* 6 */
 224         short shipcol;                  /* 8 */
 225         char shipdir;                   /* 10 */
 226         struct File *file;              /* 12 */
 227 };
 228
 229 struct scenario {
 230         char winddir;                   /* 0 */
 231         char windspeed;                 /* 2 */
 232         char windchange;                /* 4 */
 233         unsigned char vessels;          /* 12 */
 234         const char *name;               /* 14 */
 235         struct ship ship[NSHIP];        /* 16 */
 236 };
 237 extern struct scenario scene[];
 238 extern int nscene;
 239
 240 struct shipspecs {
 241         char bs;
 242         char fs;
 243         char ta;
 244         short guns;
 245         unsigned char class;
 246         char hull;
 247         unsigned char qual;
 248         char crew1;
 249         char crew2;
 250         char crew3;
 251         char gunL;
 252         char gunR;
 253         char carL;
 254         char carR;
 255         char rig1;
 256         char rig2;
 257         char rig3;
 258         char rig4;
 259         short pts;
 260 };
 261 extern struct shipspecs specs[];
 262
 263 extern struct scenario *cc;     /* the current scenario */
 264 extern struct ship *ls;         /* &cc->ship[cc->vessels] */
 265
 266 #define SHIP(s)         (&cc->ship[s])
 267 #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++)
 268
 269 struct windeffects {
 270         char A, B, C, D;
 271 };
 272 extern struct windeffects WET[7][6];
 273
 274 struct Tables {
 275         char H, G, C, R;
 276 };
 277 extern struct Tables RigTable[11][6];
 278 extern struct Tables HullTable[11][6];
 279
 280 extern char AMMO[9][4];
 281 extern char HDT[9][10];
 282 extern char HDTrake[9][10];
 283 extern char QUAL[9][5];
 284 extern char MT[9][3];
 285
 286 extern const char *countryname[];
 287 extern const char *classname[];
 288 extern const char *directionname[];
 289 extern const char *qualname[];
 290 extern char loadname[];
 291
 292 extern char rangeofshot[];
 293
 294 extern char dr[], dc[];
 295
 296 extern int winddir;
 297 extern int windspeed;
 298 extern int turn;
 299 extern int game;
 300 extern int alive;
 301 extern int people;
 302 extern char hasdriver;
 303
 304 /* assorted.c */
 305 void    table(int, int, int, struct ship *, struct ship *, int);
 306 void    Cleansnag(struct ship *, struct ship *, char, char);
 307
 308 /* dr_1.c */
 309 void    unfoul(void);
 310 void    boardcomp(void);
 311 void    resolve(void);
 312 void    compcombat(void);
 313 int     next(void);
 314
 315 /* dr_2.c */
 316 void    thinkofgrapples(void);
 317 void    checkup(void);
 318 void    prizecheck(void);
 319 void    closeon(struct ship *, struct ship *, char *, int, int, int);
 320
 321 /* dr_3.c */
 322 void    moveall(void);
 323 void    sendbp(struct ship *, struct ship *, int, char);
 324 int     toughmelee(struct ship *, struct ship *, int, int);
 325 void    reload(void);
 326 void    checksails(void);
 327
 328 /* dr_4.c */
 329 void    ungrap(struct ship *, struct ship *);
 330 void    grap(struct ship *, struct ship *);
 331
 332 /* dr_5.c */
 333 void    subtract(struct ship *, int, int [3], struct ship *, int);
 334 int     mensent(struct ship *, struct ship *, int [3], struct ship **, int *, char);
 335
 336 /* dr_main.c */
 337 int     dr_main(void);
 338
 339 /* game.c */
 340 int     maxturns(struct ship *, char *);
 341 int     maxmove(struct ship *, int, int);
 342
 343 /* lo_main.c */
 344 int     lo_main(void);
 345
 346 /* misc.c */
 347 int     range(struct ship *, struct ship *);
 348 struct ship     *closestenemy(struct ship *, char, char);
 349 char    gunsbear(struct ship *, struct ship *);
 350 int     portside(struct ship *, struct ship *, int);
 351 char    colours(struct ship *);
 352 void    write_log(struct ship *);
 353
 354 /* parties.c */
 355 bool    meleeing(struct ship *, struct ship *);
 356 bool    boarding(struct ship *, char);
 357 void    unboard(struct ship *, struct ship *, char);
 358
 359 /* pl_1.c */
 360 void    leave(int);
 361 void    choke(void);
 362 void    child(void);
 363
 364 /* pl_2.c */
 365 void    play(void);
 366
 367 /* pl_3.c */
 368 void    acceptcombat(void);
 369 void    grapungrap(void);
 370 void    unfoulplayer(void);
 371
 372 /* pl_4.c */
 373 void    changesail(void);
 374 void    acceptsignal(void);
 375 void    lookout(void);
 376 const char      *saywhat(struct ship *, char);
 377 void    eyeball(struct ship *);
 378
 379 /* pl_5.c */
 380 void    acceptmove(void);
 381 void    acceptboard(void);
 382
 383 /* pl_6.c */
 384 void    repair(void);
 385 void    loadplayer(void);
 386
 387 /* pl_7.c */
 388 void    initscreen(void);
 389 void    cleanupscreen(void);
 390 void    newturn(void);
 391 void    Signal(const char *, struct ship *, ...);
 392 int     sgetch(const char *, struct ship *, char);
 393 void    sgetstr(const char *, char *, int);
 394 void    draw_screen(void);
 395 void    draw_view(void);
 396 void    draw_turn(void);
 397 void    draw_stat(void);
 398 void    draw_slot(void);
 399 void    draw_board(void);
 400 void    centerview(void);
 401 void    upview(void);
 402 void    downview(void);
 403 void    leftview(void);
 404 void    rightview(void);
 405
 406 /* pl_main.c */
 407 int     pl_main(void);
 408
 409 /* sync.c */
 410 void    fmtship(char *, size_t, const char *, struct ship *);
 411 void    makesignal(struct ship *, const char *, struct ship *, ...);
 412 bool    sync_exists(int);
 413 int     sync_open(void);
 414 void    sync_close(char);
 415 void    Write(int, struct ship *, int, int, int, int);
 416 void    Writestr(int, struct ship *, const char *);
 417 int     Sync(void);