2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2016, 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 edit_sect(struct sctstr *, char *, char *);
58 extern int edit_sect_i(struct sctstr *, char *, int);
59 extern int load_comm_ok(struct sctstr *, natid, i_type, int);
60 extern void gift(natid, natid, void *, char *);
61 extern int display_mark(i_type, int);
62 extern int count_pop(int);
63 extern int line_of_sight(char **rad, int ax, int ay, int bx, int by);
64 extern void plane_sona(struct emp_qelem *, int, int, struct shiplist **);
65 extern char *prsub(struct shpstr *);
66 extern int check_trade(void);
67 extern int ontradingblock(int, void *);
68 extern void trdswitchown(int, struct empobj *, int);
69 extern int do_look(int);
70 extern void look_at_sect(struct sctstr *, int);
71 extern int radar(int);
72 extern void update_power(void);
73 extern int show_first_tel(char *);
241 * src/lib/common/ *.c
244 extern int read_builtin_tables(void);
245 extern int read_custom_tables(void);
247 extern int cnumb(char *);
251 extern int emp_config(char *file);
252 extern void print_config(FILE * fp);
254 extern double hap_fact(struct natstr *, struct natstr *);
255 extern double hap_req(struct natstr *np);
257 extern int is_wday_allowed(int, char *);
258 extern int is_daytime_allowed(int, char *);
259 extern int gamehours(time_t);
261 extern int mapdist(int, int, int, int);
267 extern int read_schedule(char *, time_t[], int, time_t, time_t);
269 extern int max_population(float, int, int);
270 extern int max_pop(float, struct sctstr *);
271 extern int max_workers(float, struct sctstr *);
275 extern int sct_typematch(char *);
277 extern int demand_update_want(int *, int *, int);
278 extern int demand_check(void);
279 extern int demandupdatecheck(void);
280 /* xdump.c xundump.c */
287 extern int disassoc(void);
289 extern char *fnameat(const char *, const char *);
290 extern FILE *fopenat(const char *, const char *, const char *);
292 extern int fsize(int);
293 extern int blksize(int);
294 extern time_t fdate(int);
298 extern int loginit(char *);
299 extern int logreopen(void);
300 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
304 extern char *effadv(int);
305 extern char *numstr(char buf[], int n);
307 extern int parse(char *, char *, char **, char **, char **, char **);
309 extern char *esplur(int n);
310 extern char *splur(int n);
311 extern char *iesplur(int n);
315 extern int ldround(double, int);
316 extern int roundintby(int, int);
318 extern int scthash(int, int, int);
320 extern int tcp_listen(char *, char *, size_t *);
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 */
380 extern int confirm(char *);
381 extern int askyn(char *);
383 extern int bridge_support_at(struct sctstr *, int);
384 extern void bridge_damaged(struct sctstr *);
385 extern void bridgefall(struct sctstr *);
387 extern void bsanct(void);
389 extern void caploss(struct sctstr *, natid, char *);
391 extern int check_obj_ok(struct empobj *);
392 extern int check_sect_ok(struct sctstr *);
393 extern int check_ship_ok(struct shpstr *);
394 extern int check_land_ok(struct lndstr *);
395 extern int check_nuke_ok(struct nukstr *);
396 extern int check_plane_ok(struct plnstr *);
397 extern int check_comm_ok(struct comstr *);
398 extern int check_loan_ok(struct lonstr *);
399 extern int check_trade_ok(struct trdstr *);
401 extern void set_coastal(struct sctstr *, int, int);
403 extern int military_control(struct sctstr *);
404 extern int abandon_askyn(struct sctstr *, i_type, int, struct ulist *);
405 extern int would_abandon(struct sctstr *, i_type, int, struct ulist *);
407 extern void landdamage(struct lndstr *, int);
408 extern void ship_damage(struct shpstr *, int);
409 extern int damage(int, int);
410 extern void shipdamage(struct shpstr *, int);
411 extern void land_damage(struct lndstr *, int);
412 extern void planedamage(struct plnstr *, int);
413 extern int nukedamage(struct nchrstr *, int, int);
414 extern int effdamage(int, int);
415 extern void item_damage(int, short *);
416 extern int commdamage(int, int, i_type);
418 extern int detonate(struct nukstr *, coord, coord, int);
420 extern int disloan(int, struct lonstr *);
422 extern void ef_init_srv(int);
423 extern void ef_fin_srv(void);
425 extern int sd(natid, natid, coord, coord, int, int, int);
426 extern int dd(natid, natid, coord, coord, int, int);
427 extern int shipdef(natid, natid, coord, coord);
428 extern int feels_like_helping(natid, natid, natid);
430 extern int emp_getbit(int, int, unsigned char *);
431 extern void emp_setbit(int, int, unsigned char *);
432 extern void bitinit2(struct nstr_sect *, unsigned char *, int);
434 extern int getele(char *, char *);
436 extern char *prland(struct lndstr *);
437 extern void lnd_postread(int, void *);
438 extern void lnd_prewrite(int, void *, void *);
440 extern double torprange(struct shpstr *);
441 extern double fortrange(struct sctstr *);
442 extern int roundrange(double);
444 extern int shipsatxy(coord, coord, int, int, int);
445 extern int carriersatxy(coord, coord, natid);
446 extern int unitsatxy(coord, coord, int, int);
447 extern int planesatxy(coord, coord, int, int);
448 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
450 extern void print_shiplist(struct shiplist *);
451 extern int has_units(coord, coord, natid);
452 extern int adj_units(coord, coord, natid);
456 extern char *mission_name(int);
457 extern int collateral_damage(coord, coord, int);
458 extern int mission_pln_equip(struct plist *, struct ichrstr *, char);
459 extern int ground_interdict(coord, coord, natid, char *);
460 extern int unit_interdict(coord, coord, natid, char *, int, int);
461 extern int off_support(coord, coord, natid, natid);
462 extern int def_support(coord, coord, natid, natid);
463 extern int oprange(struct empobj *);
464 extern int in_oparea(struct empobj *, coord, coord);
465 extern int cando(int, int);
467 extern int check_lmines(coord, coord, double);
468 extern int move_ground(struct sctstr *, struct sctstr *,
470 int (*)(coord, coord, char *, char *),
472 extern int fly_map(coord, coord);
474 extern int msl_launch(struct plnstr *, int, char *, coord, coord, natid,
476 extern int msl_hit(struct plnstr *, int, int, int, int, int, natid);
477 extern void msl_sel(struct emp_qelem *, coord, coord, natid, int,
479 extern int msl_abm_intercept(struct plnstr *, coord, coord, int);
480 extern int msl_asat_intercept(struct plnstr *, coord, coord);
482 extern int comtch(char *, struct cmndstr *, int);
484 extern struct natstr *natargp(char *, char *);
485 extern int natarg(char *, char *);
487 extern int neigh(coord, coord, natid);
489 extern void delete_old_news(void);
490 extern void init_nreport(void);
491 extern void nreport(natid, int, natid, int);
493 extern char *prnuke(struct nukstr *);
494 extern void nuk_postread(int, void *);
495 extern void nuk_prewrite(int, void *, void *);
500 extern int onearg(char *, char *);
502 extern char *prplane(struct plnstr *);
503 extern void pln_postread(int, void *);
504 extern void pln_prewrite(int, void *, void *);
506 extern int get_planes(struct nstr_item *, struct nstr_item *,
508 extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
509 extern int pln_where_to_land(coord, coord, union empobj_storage *, int *);
510 extern int pln_can_land_on_carrier(struct emp_qelem *, struct emp_qelem *,
512 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
513 extern int could_be_on_ship(struct plnstr *, struct shpstr *);
514 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
515 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
517 extern void pln_mine(struct emp_qelem *, coord, coord);
518 extern int pln_capable(struct plnstr *, int, int);
519 extern int pln_caps(struct emp_qelem *);
520 extern int pln_airbase_ok(struct plnstr *, int, int);
521 extern int carrier_planes(struct shpstr *, int);
522 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
523 struct sctstr *, int, int, int, int);
524 extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *);
525 extern int pln_equip(struct plist *, struct ichrstr *, char);
526 extern int pln_mobcost(int, struct plnstr *, char);
527 extern void pln_put(struct emp_qelem *);
528 extern void pln_put1(struct plist *);
529 extern void plane_sweep(struct emp_qelem *, coord, coord);
530 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
531 extern int pln_hitchance(struct plnstr *, int, int);
532 extern int pln_damage(struct plnstr *, char, char *);
533 extern int pln_identchance(struct plnstr *, int, int);
534 extern int pln_is_in_orbit(struct plnstr *);
535 extern void pln_set_tech(struct plnstr *, int);
537 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
538 extern void uprnf(char *buf);
539 extern void pr_id(struct player *, int, char *, ...)
540 ATTRIBUTE((format (printf, 3, 4)));
541 extern void pr_flash(struct player *, char *, ...)
542 ATTRIBUTE((format (printf, 2, 3)));
543 extern void pr_inform(struct player *, char *, ...)
544 ATTRIBUTE((format (printf, 2, 3)));
545 extern void pr_wall(char *, ...)
546 ATTRIBUTE((format (printf, 1, 2)));
547 extern void prredir(char *redir);
548 extern void prexec(char *file);
549 extern void prprompt(int min, int btu);
550 extern int prmptrd(char *prompt, char *str, int size);
551 extern int uprmptrd(char *prompt, char *str, int size);
552 extern void prdate(void);
553 extern void prxy(char *, coord, coord);
554 extern void pr_beep(void);
555 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
556 extern size_t copy_ascii_no_funny(char *, char *);
557 extern size_t copy_utf8_no_funny(char *, char *);
558 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
559 extern int ufindpfx(char *, int);
561 extern int deltx(struct range *, coord);
562 extern int delty(struct range *, coord);
563 extern void radmap(int, int, int, double, int, double);
564 extern void rad_map_set(natid, int, int, int, double, int);
566 extern void setrel(natid, natid, int);
567 extern void setcont(natid, natid, int);
568 extern void setrej(natid, natid, int, 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);
622 extern int sct_supply(struct sctstr *, i_type, int);
623 extern int shp_supply(struct shpstr *, i_type, int);
624 extern int lnd_supply(struct lndstr *, i_type, int);
625 extern int lnd_supply_all(struct lndstr *);
626 extern int lnd_in_supply(struct lndstr *);
627 extern int lnd_could_be_supplied(struct lndstr *);
629 extern void takeover_land(struct lndstr *, natid);
630 extern void takeover(struct sctstr *, natid);
631 extern void takeover_ship(struct shpstr *, natid);
632 extern void takeover_plane(struct plnstr *, natid);
638 extern void clear_telegram_is_new(natid);
639 extern int typed_wu(natid, natid, char *, int);
640 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
643 * src/lib/update/ *.c
646 extern int age_people(int, int);
647 extern void age_levels(int);
649 extern void delete_old_announcements(void);
653 extern void dodeliver(struct sctstr *);
655 extern int dodistribute(struct sctstr *, int, double);
657 extern void finish_sects(int);
659 extern void do_feed(struct sctstr *, struct natstr *, int, int);
660 extern int feed_people(short *, int);
661 extern double food_needed(short *, int);
662 extern int famine_victims(short *, int);
664 extern int prod_land(int, int, struct bp *, int);
668 extern int get_materials(struct sctstr *, short[], int);
670 extern void mob_sect(void);
671 extern void mob_ship(void);
672 extern void mob_land(void);
673 extern void mob_plane(void);
674 extern void sct_do_upd_mob(struct sctstr *sp);
675 extern void shp_do_upd_mob(struct shpstr *sp);
676 extern void lnd_do_upd_mob(struct lndstr *lp);
677 extern void pln_do_upd_mob(struct plnstr *pp);
679 extern void move_sat(struct plnstr *);
681 extern void prod_nat(int);
685 extern void do_plague(struct sctstr *, int);
686 extern int plague_people(struct natstr *, short *, int *, int *, int);
688 extern int prod_plane(int, int, struct bp *, int);
690 extern void populace(struct sctstr *, int);
691 extern int total_work(int, int, int, int, int, int);
693 extern void tax(struct sctstr *, int, int *, int *, int *, int *);
694 extern int upd_slmilcosts(natid, int);
695 extern void prepare_sects(int);
696 extern int bank_income(struct sctstr *, int);
698 extern int produce(struct natstr *, struct sctstr *, int *);
699 extern int prod_materials_cost(struct pchrstr *, short[], int *);
700 extern int prod_resource_limit(struct pchrstr *, unsigned char *);
701 extern double prod_eff(int, float);
703 extern int update_removewants(void);
705 extern void revolt(struct sctstr *);
706 extern void guerrilla(struct sctstr *);
708 extern double buildeff(struct sctstr *);
709 extern void do_fallout(struct sctstr *, int);
710 extern void spread_fallout(struct sctstr *, int);
711 extern void decay_fallout(struct sctstr *, int);
712 extern void produce_sect(struct natstr *, int, struct bp *, int[][2]);
714 extern int prod_ship(int, int, struct bp *, int);