2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * prototypes.h: Prototypes for server functions
29 * Known contributors to this file:
31 * Steve McClure, 1998,2000
45 /* src/server/main.c */
46 extern void shutdwn(int sig);
47 extern void start_server(int);
48 extern void finish_server(void);
50 /* src/lib/empthread/lwp.c */
54 * src/lib/commands/ *.c
56 extern int check_market(void);
57 extern int load_comm_ok(struct sctstr *, natid, i_type, int);
58 extern void gift(natid, natid, void *, char *);
59 extern int display_mark(i_type, int);
60 extern int want_to_abandon(struct sctstr *, i_type, int, struct lndstr *);
61 extern int would_abandon(struct sctstr *, i_type, int, struct lndstr *);
62 extern int nav_map(int, int, int);
63 extern int do_unit_move(struct emp_qelem *, int *, double *, double *);
64 extern int count_pop(int);
65 extern int scuttle_tradeship(struct shpstr *, int);
66 extern void resnoise(struct sctstr *, char *, int, int);
67 extern int line_of_sight(char **rad, int ax, int ay, int bx, int by);
68 extern void plane_sona(struct emp_qelem *, int, int, struct shiplist **);
69 extern char *prsub(struct shpstr *);
70 extern int check_trade(void);
71 extern int ontradingblock(int, void *);
72 extern void trdswitchown(int, void *, int);
73 extern int do_look(int);
74 extern void look_at_sect(struct sctstr *, int);
75 extern int radar(int);
76 extern void update_power(void);
77 extern int show_first_tel(char *);
252 * src/lib/common/ *.c
255 extern int read_builtin_tables(void);
256 extern int read_custom_tables(void);
258 extern int cnumb(char *);
262 extern int emp_config(char *file);
263 extern void print_config(FILE * fp);
265 extern double hap_fact(struct natstr *, struct natstr *);
266 extern double hap_req(struct natstr *np);
268 extern int is_wday_allowed(int, char *);
269 extern int is_daytime_allowed(int, char *);
270 extern int gamehours(time_t);
272 extern int loginit(char *);
273 extern int logreopen(void);
274 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
277 extern int mapdist(int, int, int, int);
283 extern int read_schedule(char *, time_t[], int, time_t, time_t);
285 extern int max_population(float, int, int);
286 extern int max_pop(float, struct sctstr *);
290 extern int sct_typematch(char *);
292 extern int demand_update_want(int *, int *, int);
293 extern int demand_check(void);
294 extern int demandupdatecheck(void);
295 /* xdump.c xundump.c */
302 extern char *fnameat(const char *, const char *);
303 extern FILE *fopenat(const char *, const char *, const char *);
305 extern int fsize(int);
306 extern int blksize(int);
307 extern time_t fdate(int);
309 extern int disassoc(void);
310 extern char *effadv(int);
311 extern int parse(char *, char *, char **, char **, char **, char **);
312 extern int ldround(double, int);
313 extern int roundintby(int, int);
314 extern int scthash(int, int, int);
315 extern int tcp_listen(char *, char *, size_t *);
316 extern char *numstr(char buf[], int n);
318 extern char *esplur(int n);
319 extern char *splur(int n);
320 extern char *iesplur(int n);
323 * src/lib/global/ *.c
325 extern void global_init(void);
329 * src/lib/player/ *.c
332 extern void player_init(void);
333 extern struct player *player_new(int);
334 extern struct player *player_delete(struct player *);
335 extern struct player *player_next(struct player *);
336 extern struct player *player_prev(struct player *);
337 extern struct player *getplayer(natid);
338 extern void player_accept(void *);
339 extern time_t player_io_deadline(struct player *, int);
341 extern int dispatch(char *, char *);
343 extern int getcommand(char *);
344 extern void init_player_commands(void);
345 extern void log_last_commands(void);
346 extern void update_timeused_login(time_t now);
347 extern void update_timeused(time_t now);
348 extern void enforce_minimum_session_time(void);
349 extern int may_play_now(struct natstr *, time_t);
350 /* more under Commands */
354 extern int init_nats(void);
355 extern int player_set_nstat(struct player *, struct natstr *);
357 extern void player_login(void *);
359 extern int natbyname(char *, natid *);
360 extern int natpass(natid, char *);
362 extern struct player *player; /* current player's context */
363 extern char *praddr(struct player *);
364 extern void player_main(struct player *);
365 extern void make_stale_if_command_arg(char *);
366 /* more under Commands */
368 extern int recvclient(char *, int);
371 extern void stop_service(void);
372 /* more in service.h */
378 extern int confirm(char *);
379 extern int askyn(char *);
381 extern void bridge_damaged(struct sctstr *);
382 extern void bridgefall(struct sctstr *);
384 extern void bsanct(void);
386 extern void caploss(struct sctstr *, natid, char *);
388 extern int check_obj_ok(struct empobj *);
389 extern int check_sect_ok(struct sctstr *);
390 extern int check_ship_ok(struct shpstr *);
391 extern int check_land_ok(struct lndstr *);
392 extern int check_nuke_ok(struct nukstr *);
393 extern int check_plane_ok(struct plnstr *);
394 extern int check_comm_ok(struct comstr *);
395 extern int check_loan_ok(struct lonstr *);
396 extern int check_trade_ok(struct trdstr *);
398 extern void set_coastal(struct sctstr *, int, int);
400 extern int military_control(struct sctstr *);
402 extern void landdamage(struct lndstr *, int);
403 extern void ship_damage(struct shpstr *, int);
404 extern int damage(int, int);
405 extern void shipdamage(struct shpstr *, int);
406 extern void land_damage(struct lndstr *, int);
407 extern void planedamage(struct plnstr *, int);
408 extern int nukedamage(struct nchrstr *, int, int);
409 extern int effdamage(int, int);
410 extern void item_damage(int, short *);
411 extern int commdamage(int, int, i_type);
413 extern int detonate(struct nukstr *, coord, coord, int);
415 extern int disloan(int, struct lonstr *);
417 extern int distrea(int, struct trtstr *);
419 extern void ef_init_srv(int);
420 extern void ef_fin_srv(void);
422 extern int sd(natid, natid, coord, coord, int, int, int);
423 extern int dd(natid, natid, coord, coord, int, int);
424 extern int shipdef(natid, natid, coord, coord);
425 extern int feels_like_helping(natid, natid, natid);
427 extern int emp_getbit(int, int, unsigned char *);
428 extern void emp_setbit(int, int, unsigned char *);
429 extern void bitinit2(struct nstr_sect *, unsigned char *, int);
431 extern int getele(char *, char *);
433 extern char *prland(struct lndstr *);
434 extern void lnd_postread(int, void *);
435 extern void lnd_prewrite(int, void *, void *);
437 extern double torprange(struct shpstr *);
438 extern double fortrange(struct sctstr *);
439 extern int roundrange(double);
441 extern int shipsatxy(coord, coord, int, int, int);
442 extern int carriersatxy(coord, coord, natid);
443 extern int unitsatxy(coord, coord, int, int);
444 extern int planesatxy(coord, coord, int, int);
445 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
447 extern int has_units(coord, coord, natid, struct lndstr *);
448 extern int adj_units(coord, coord, natid);
449 extern int islist(char *);
453 extern char *mission_name(int);
454 extern int collateral_damage(coord, coord, int);
455 extern int mission_pln_equip(struct plist *, struct ichrstr *, char);
456 extern int ground_interdict(coord, coord, natid, char *);
457 extern int unit_interdict(coord, coord, natid, char *, int, int);
458 extern int off_support(coord, coord, natid, natid);
459 extern int def_support(coord, coord, natid, natid);
460 extern int oprange(struct empobj *);
461 extern int in_oparea(struct empobj *, coord, coord);
462 extern int cando(int, int);
464 extern int check_lmines(coord, coord, double);
465 extern int move_ground(struct sctstr *, struct sctstr *,
467 int (*)(coord, coord, char *, char *),
469 extern int fly_map(coord, coord);
471 extern int msl_launch(struct plnstr *, int, char *, coord, coord, natid,
473 extern int msl_hit(struct plnstr *, int, int, int, int, int, natid);
474 extern void msl_sel(struct emp_qelem *, coord, coord, natid, int,
476 extern int msl_abm_intercept(struct plnstr *, coord, coord, int);
477 extern int msl_asat_intercept(struct plnstr *, coord, coord);
479 extern int comtch(char *, struct cmndstr *, int);
481 extern struct natstr *natargp(char *, char *);
482 extern int natarg(char *, char *);
484 extern int neigh(coord, coord, natid);
486 extern void delete_old_news(void);
487 extern void init_nreport(void);
488 extern void nreport(natid, int, natid, int);
490 extern char *prnuke(struct nukstr *);
491 extern void nuk_postread(int, void *);
492 extern void nuk_prewrite(int, void *, void *);
497 extern int onearg(char *, char *);
499 extern char *prplane(struct plnstr *);
500 extern void pln_postread(int, void *);
501 extern void pln_prewrite(int, void *, void *);
503 extern int get_planes(struct nstr_item *, struct nstr_item *,
505 extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
506 extern int pln_where_to_land(coord, coord, union empobj_storage *, int *);
507 extern int pln_can_land_on_carrier(struct emp_qelem *, struct emp_qelem *,
509 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
510 extern int could_be_on_ship(struct plnstr *, struct shpstr *);
511 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
512 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
514 extern void pln_mine(struct emp_qelem *, coord, coord);
515 extern int pln_capable(struct plnstr *, int, int);
516 extern int pln_caps(struct emp_qelem *);
517 extern int pln_airbase_ok(struct plnstr *, int, int);
518 extern int carrier_planes(struct shpstr *, int);
519 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
520 struct sctstr *, int, int, int, int);
521 extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *);
522 extern int pln_equip(struct plist *, struct ichrstr *, char);
523 extern int pln_mobcost(int, struct plnstr *, char);
524 extern void pln_put(struct emp_qelem *);
525 extern void pln_put1(struct plist *);
526 extern void plane_sweep(struct emp_qelem *, coord, coord);
527 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
528 extern int pln_hitchance(struct plnstr *, int, int);
529 extern int pln_damage(struct plnstr *, char, int);
530 extern int pln_identchance(struct plnstr *, int, int);
531 extern int pln_is_in_orbit(struct plnstr *);
532 extern void pln_set_tech(struct plnstr *, int);
534 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
535 extern void uprnf(char *buf);
536 extern void pr_id(struct player *, int, char *, ...)
537 ATTRIBUTE((format (printf, 3, 4)));
538 extern void pr_flash(struct player *, char *, ...)
539 ATTRIBUTE((format (printf, 2, 3)));
540 extern void pr_inform(struct player *, char *, ...)
541 ATTRIBUTE((format (printf, 2, 3)));
542 extern void pr_wall(char *, ...)
543 ATTRIBUTE((format (printf, 1, 2)));
544 extern void prredir(char *redir);
545 extern void prexec(char *file);
546 extern void prprompt(int min, int btu);
547 extern int prmptrd(char *prompt, char *str, int size);
548 extern int uprmptrd(char *prompt, char *str, int size);
549 extern void prdate(void);
550 extern void prxy(char *, coord, coord);
551 extern void pr_beep(void);
552 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
553 extern size_t copy_ascii_no_funny(char *, char *);
554 extern size_t copy_utf8_no_funny(char *, char *);
555 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
556 extern int ufindpfx(char *, int);
558 extern int deltx(struct range *, coord);
559 extern int delty(struct range *, coord);
560 extern void radmap(int, int, int, double, int, double);
561 extern void rad_map_set(natid, int, int, int, double, int);
563 extern void setrel(natid, natid, int);
564 extern void setcont(natid, natid, int);
565 extern void setrej(natid, natid, int, int);
567 extern void retreat_ship(struct shpstr *, char);
568 extern void retreat_land(struct lndstr *, char);
569 extern int check_retreat_and_do_shipdamage(struct shpstr *, int);
570 extern int check_retreat_and_do_landdamage(struct lndstr *, int);
572 extern enum ns_seltype sarg_type(char *);
573 extern int sarg_xy(char *, coord *, coord *);
574 extern int sarg_area(char *, struct range *);
575 extern int sarg_range(char *, coord *, coord *, int *);
576 extern int sarg_list(char *, int *, int);
578 extern void satdisp_sect(struct sctstr *, int);
579 extern void satdisp_units(coord, coord);
580 extern int satmap(int, int, int, int, int, int);
581 extern void sathead(void);
583 extern void sct_postread(int, void *);
584 extern void sct_prewrite(int, void *, void *);
585 extern void item_prewrite(short *);
586 extern int issector(char *);
588 extern int sect_damage(struct sctstr *, int);
589 extern int sectdamage(struct sctstr *, int);
591 extern char *prship(struct shpstr *);
592 extern void shp_postread(int, void *);
593 extern void shp_prewrite(int, void *, void *);
595 extern void show_bridge(int);
596 extern void show_tower(int);
597 extern void show_nuke_stats(int);
598 extern void show_nuke_capab(int);
599 extern void show_nuke_build(int);
600 extern void show_ship_build(int);
601 extern void show_ship_stats(int);
602 extern void show_ship_capab(int);
603 extern void show_plane_stats(int);
604 extern void show_plane_capab(int);
605 extern void show_plane_build(int);
606 extern void show_land_build(int);
607 extern void show_land_capab(int);
608 extern void show_land_stats(int);
609 extern void show_sect_build(int);
610 extern void show_sect_stats(int);
611 extern void show_sect_capab(int);
612 extern void show_item(int);
613 extern void show_news(int);
614 extern void show_product(int);
615 extern void show_updates(int);
617 extern void shp_sel(struct nstr_item *, struct emp_qelem *);
618 extern void shp_nav(struct emp_qelem *, double *, double *, int *, natid);
619 extern int shp_sweep(struct emp_qelem *, int, int, natid);
620 extern int shp_check_nav(struct sctstr *, struct shpstr *);
621 extern int sect_has_dock(struct sctstr *);
622 extern int shp_hardtarget(struct shpstr *);
623 extern int shp_nav_one_sector(struct emp_qelem *, int, natid, int);
624 extern int shp_missile_defense(coord, coord, natid, int);
625 extern void shp_missdef(struct shpstr *, natid);
626 extern double shp_mobcost(struct shpstr *);
627 extern void shp_set_tech(struct shpstr *, int);
632 extern int sct_supply(struct sctstr *, i_type, int);
633 extern int shp_supply(struct shpstr *, i_type, int);
634 extern int lnd_supply(struct lndstr *, i_type, int);
635 extern int lnd_supply_all(struct lndstr *);
636 extern int lnd_in_supply(struct lndstr *);
637 extern int lnd_could_be_supplied(struct lndstr *);
639 extern void takeover_land(struct lndstr *, natid);
640 extern void takeover(struct sctstr *, natid);
641 extern void takeover_ship(struct shpstr *, natid);
642 extern void takeover_plane(struct plnstr *, natid);
646 extern int trechk(natid, natid, int);
650 extern void clear_telegram_is_new(natid);
651 extern int typed_wu(natid, natid, char *, int);
652 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
655 * src/lib/update/ *.c
658 extern int age_people(int, int);
659 extern void age_levels(int);
661 extern void delete_old_announcements(void);
665 extern void dodeliver(struct sctstr *);
667 extern int dodistribute(struct sctstr *, int, double);
669 extern void finish_sects(int);
671 extern int new_work(struct sctstr *, int);
672 extern int do_feed(struct sctstr *, struct natstr *, short *, int *, int);
673 extern int feed_people(short *, int);
674 extern double food_needed(short *, int);
675 extern int famine_victims(short *, int);
677 extern int prod_land(int, int, struct bp *, int);
683 extern void mob_sect(void);
684 extern void mob_ship(void);
685 extern void mob_land(void);
686 extern void mob_plane(void);
687 extern void sct_do_upd_mob(struct sctstr *sp);
688 extern void shp_do_upd_mob(struct shpstr *sp);
689 extern void lnd_do_upd_mob(struct lndstr *lp);
690 extern void pln_do_upd_mob(struct plnstr *pp);
692 extern void move_sat(struct plnstr *);
694 extern void prod_nat(int);
696 extern int nav_ship(struct shpstr *);
698 extern int load_it(struct shpstr *, struct sctstr *, int);
699 extern void unload_it(struct shpstr *);
703 extern void do_plague(struct sctstr *, struct natstr *, int);
704 extern int plague_people(struct natstr *, short *, int *, int *, int);
706 extern int prod_plane(int, int, struct bp *, int);
708 extern void populace(struct natstr *, struct sctstr *, int);
709 extern int total_work(int, int, int, int, int, int);
711 extern void tax(struct sctstr *, struct natstr *, int, int *, int *,
713 extern int upd_slmilcosts(natid, int);
714 extern void prepare_sects(int, struct bp *);
715 extern int bank_income(struct sctstr *, int);
717 extern int produce(struct natstr *, struct sctstr *, short *, int, int,
719 extern int prod_materials_cost(struct pchrstr *, short[], int *);
720 extern int prod_resource_limit(struct pchrstr *, unsigned char *);
721 extern double prod_eff(int, float);
723 extern int update_removewants(void);
725 extern void revolt(struct sctstr *);
726 extern void guerrilla(struct sctstr *);
728 extern void sail_ship(natid);
730 extern void do_fallout(struct sctstr *, int);
731 extern void spread_fallout(struct sctstr *, int);
732 extern void decay_fallout(struct sctstr *, int);
733 extern void produce_sect(int, int, struct bp *, int[][2]);
735 extern int prod_ship(int, int, struct bp *, int);