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