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 mapdist(int, int, int, int);
278 extern int read_schedule(char *, time_t[], int, time_t, time_t);
280 extern int max_population(float, int, int);
281 extern int max_pop(float, struct sctstr *);
285 extern int sct_typematch(char *);
287 extern int demand_update_want(int *, int *, int);
288 extern int demand_check(void);
289 extern int demandupdatecheck(void);
290 /* xdump.c xundump.c */
297 extern int disassoc(void);
299 extern char *fnameat(const char *, const char *);
300 extern FILE *fopenat(const char *, const char *, const char *);
302 extern int fsize(int);
303 extern int blksize(int);
304 extern time_t fdate(int);
308 extern int loginit(char *);
309 extern int logreopen(void);
310 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
314 extern char *effadv(int);
315 extern char *numstr(char buf[], int n);
317 extern int parse(char *, char *, char **, char **, char **, char **);
319 extern char *esplur(int n);
320 extern char *splur(int n);
321 extern char *iesplur(int n);
325 extern int ldround(double, int);
326 extern int roundintby(int, int);
328 extern int scthash(int, int, int);
330 extern int tcp_listen(char *, char *, size_t *);
333 * src/lib/global/ *.c
335 extern void global_init(void);
339 * src/lib/player/ *.c
342 extern void player_init(void);
343 extern struct player *player_new(int);
344 extern struct player *player_delete(struct player *);
345 extern struct player *player_next(struct player *);
346 extern struct player *player_prev(struct player *);
347 extern struct player *getplayer(natid);
348 extern void player_accept(void *);
349 extern time_t player_io_deadline(struct player *, int);
351 extern int dispatch(char *, char *);
353 extern int getcommand(char *);
354 extern void init_player_commands(void);
355 extern void log_last_commands(void);
356 extern void update_timeused_login(time_t now);
357 extern void update_timeused(time_t now);
358 extern void enforce_minimum_session_time(void);
359 extern int may_play_now(struct natstr *, time_t);
360 /* more under Commands */
364 extern int init_nats(void);
365 extern int player_set_nstat(struct player *, struct natstr *);
367 extern void player_login(void *);
369 extern int natbyname(char *, natid *);
370 extern int natpass(natid, char *);
372 extern struct player *player; /* current player's context */
373 extern char *praddr(struct player *);
374 extern void player_main(struct player *);
375 extern void make_stale_if_command_arg(char *);
376 /* more under Commands */
378 extern int recvclient(char *, int);
381 extern void stop_service(void);
382 /* more in service.h */
388 extern int confirm(char *);
389 extern int askyn(char *);
391 extern void bridge_damaged(struct sctstr *);
392 extern void bridgefall(struct sctstr *);
394 extern void bsanct(void);
396 extern void caploss(struct sctstr *, natid, char *);
398 extern int check_obj_ok(struct empobj *);
399 extern int check_sect_ok(struct sctstr *);
400 extern int check_ship_ok(struct shpstr *);
401 extern int check_land_ok(struct lndstr *);
402 extern int check_nuke_ok(struct nukstr *);
403 extern int check_plane_ok(struct plnstr *);
404 extern int check_comm_ok(struct comstr *);
405 extern int check_loan_ok(struct lonstr *);
406 extern int check_trade_ok(struct trdstr *);
408 extern void set_coastal(struct sctstr *, int, int);
410 extern int military_control(struct sctstr *);
412 extern void landdamage(struct lndstr *, int);
413 extern void ship_damage(struct shpstr *, int);
414 extern int damage(int, int);
415 extern void shipdamage(struct shpstr *, int);
416 extern void land_damage(struct lndstr *, int);
417 extern void planedamage(struct plnstr *, int);
418 extern int nukedamage(struct nchrstr *, int, int);
419 extern int effdamage(int, int);
420 extern void item_damage(int, short *);
421 extern int commdamage(int, int, i_type);
423 extern int detonate(struct nukstr *, coord, coord, int);
425 extern int disloan(int, struct lonstr *);
427 extern int distrea(int, struct trtstr *);
429 extern void ef_init_srv(int);
430 extern void ef_fin_srv(void);
432 extern int sd(natid, natid, coord, coord, int, int, int);
433 extern int dd(natid, natid, coord, coord, int, int);
434 extern int shipdef(natid, natid, coord, coord);
435 extern int feels_like_helping(natid, natid, natid);
437 extern int emp_getbit(int, int, unsigned char *);
438 extern void emp_setbit(int, int, unsigned char *);
439 extern void bitinit2(struct nstr_sect *, unsigned char *, int);
441 extern int getele(char *, char *);
443 extern char *prland(struct lndstr *);
444 extern void lnd_postread(int, void *);
445 extern void lnd_prewrite(int, void *, void *);
447 extern double torprange(struct shpstr *);
448 extern double fortrange(struct sctstr *);
449 extern int roundrange(double);
451 extern int shipsatxy(coord, coord, int, int, int);
452 extern int carriersatxy(coord, coord, natid);
453 extern int unitsatxy(coord, coord, int, int);
454 extern int planesatxy(coord, coord, int, int);
455 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
457 extern int has_units(coord, coord, natid, struct lndstr *);
458 extern int adj_units(coord, coord, natid);
459 extern int islist(char *);
463 extern char *mission_name(int);
464 extern int collateral_damage(coord, coord, int);
465 extern int mission_pln_equip(struct plist *, struct ichrstr *, char);
466 extern int ground_interdict(coord, coord, natid, char *);
467 extern int unit_interdict(coord, coord, natid, char *, int, int);
468 extern int off_support(coord, coord, natid, natid);
469 extern int def_support(coord, coord, natid, natid);
470 extern int oprange(struct empobj *);
471 extern int in_oparea(struct empobj *, coord, coord);
472 extern int cando(int, int);
474 extern int check_lmines(coord, coord, double);
475 extern int move_ground(struct sctstr *, struct sctstr *,
477 int (*)(coord, coord, char *, char *),
479 extern int fly_map(coord, coord);
481 extern int msl_launch(struct plnstr *, int, char *, coord, coord, natid,
483 extern int msl_hit(struct plnstr *, int, int, int, int, int, natid);
484 extern void msl_sel(struct emp_qelem *, coord, coord, natid, int,
486 extern int msl_abm_intercept(struct plnstr *, coord, coord, int);
487 extern int msl_asat_intercept(struct plnstr *, coord, coord);
489 extern int comtch(char *, struct cmndstr *, int);
491 extern struct natstr *natargp(char *, char *);
492 extern int natarg(char *, char *);
494 extern int neigh(coord, coord, natid);
496 extern void delete_old_news(void);
497 extern void init_nreport(void);
498 extern void nreport(natid, int, natid, int);
500 extern char *prnuke(struct nukstr *);
501 extern void nuk_postread(int, void *);
502 extern void nuk_prewrite(int, void *, void *);
507 extern int onearg(char *, char *);
509 extern char *prplane(struct plnstr *);
510 extern void pln_postread(int, void *);
511 extern void pln_prewrite(int, void *, void *);
513 extern int get_planes(struct nstr_item *, struct nstr_item *,
515 extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
516 extern int pln_where_to_land(coord, coord, union empobj_storage *, int *);
517 extern int pln_can_land_on_carrier(struct emp_qelem *, struct emp_qelem *,
519 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
520 extern int could_be_on_ship(struct plnstr *, struct shpstr *);
521 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
522 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
524 extern void pln_mine(struct emp_qelem *, coord, coord);
525 extern int pln_capable(struct plnstr *, int, int);
526 extern int pln_caps(struct emp_qelem *);
527 extern int pln_airbase_ok(struct plnstr *, int, int);
528 extern int carrier_planes(struct shpstr *, int);
529 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
530 struct sctstr *, int, int, int, int);
531 extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *);
532 extern int pln_equip(struct plist *, struct ichrstr *, char);
533 extern int pln_mobcost(int, struct plnstr *, char);
534 extern void pln_put(struct emp_qelem *);
535 extern void pln_put1(struct plist *);
536 extern void plane_sweep(struct emp_qelem *, coord, coord);
537 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
538 extern int pln_hitchance(struct plnstr *, int, int);
539 extern int pln_damage(struct plnstr *, char, int);
540 extern int pln_identchance(struct plnstr *, int, int);
541 extern int pln_is_in_orbit(struct plnstr *);
542 extern void pln_set_tech(struct plnstr *, int);
544 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
545 extern void uprnf(char *buf);
546 extern void pr_id(struct player *, int, char *, ...)
547 ATTRIBUTE((format (printf, 3, 4)));
548 extern void pr_flash(struct player *, char *, ...)
549 ATTRIBUTE((format (printf, 2, 3)));
550 extern void pr_inform(struct player *, char *, ...)
551 ATTRIBUTE((format (printf, 2, 3)));
552 extern void pr_wall(char *, ...)
553 ATTRIBUTE((format (printf, 1, 2)));
554 extern void prredir(char *redir);
555 extern void prexec(char *file);
556 extern void prprompt(int min, int btu);
557 extern int prmptrd(char *prompt, char *str, int size);
558 extern int uprmptrd(char *prompt, char *str, int size);
559 extern void prdate(void);
560 extern void prxy(char *, coord, coord);
561 extern void pr_beep(void);
562 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
563 extern size_t copy_ascii_no_funny(char *, char *);
564 extern size_t copy_utf8_no_funny(char *, char *);
565 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
566 extern int ufindpfx(char *, int);
568 extern int deltx(struct range *, coord);
569 extern int delty(struct range *, coord);
570 extern void radmap(int, int, int, double, int, double);
571 extern void rad_map_set(natid, int, int, int, double, int);
573 extern void setrel(natid, natid, int);
574 extern void setcont(natid, natid, int);
575 extern void setrej(natid, natid, int, int);
577 extern void retreat_ship(struct shpstr *, char);
578 extern void retreat_land(struct lndstr *, char);
579 extern int check_retreat_and_do_shipdamage(struct shpstr *, int);
580 extern int check_retreat_and_do_landdamage(struct lndstr *, int);
582 extern enum ns_seltype sarg_type(char *);
583 extern int sarg_xy(char *, coord *, coord *);
584 extern int sarg_area(char *, struct range *);
585 extern int sarg_range(char *, coord *, coord *, int *);
586 extern int sarg_list(char *, int *, int);
588 extern void satdisp_sect(struct sctstr *, int);
589 extern void satdisp_units(coord, coord);
590 extern int satmap(int, int, int, int, int, int);
591 extern void sathead(void);
593 extern void sct_postread(int, void *);
594 extern void sct_prewrite(int, void *, void *);
595 extern void item_prewrite(short *);
596 extern int issector(char *);
598 extern int sect_damage(struct sctstr *, int);
599 extern int sectdamage(struct sctstr *, int);
601 extern char *prship(struct shpstr *);
602 extern void shp_postread(int, void *);
603 extern void shp_prewrite(int, void *, void *);
605 extern void show_bridge(int);
606 extern void show_tower(int);
607 extern void show_nuke_stats(int);
608 extern void show_nuke_capab(int);
609 extern void show_nuke_build(int);
610 extern void show_ship_build(int);
611 extern void show_ship_stats(int);
612 extern void show_ship_capab(int);
613 extern void show_plane_stats(int);
614 extern void show_plane_capab(int);
615 extern void show_plane_build(int);
616 extern void show_land_build(int);
617 extern void show_land_capab(int);
618 extern void show_land_stats(int);
619 extern void show_sect_build(int);
620 extern void show_sect_stats(int);
621 extern void show_sect_capab(int);
622 extern void show_item(int);
623 extern void show_news(int);
624 extern void show_product(int);
625 extern void show_updates(int);
627 extern void shp_sel(struct nstr_item *, struct emp_qelem *);
628 extern void shp_nav(struct emp_qelem *, double *, double *, int *, natid);
629 extern int shp_sweep(struct emp_qelem *, int, int, natid);
630 extern int shp_check_nav(struct sctstr *, struct shpstr *);
631 extern int sect_has_dock(struct sctstr *);
632 extern int shp_hardtarget(struct shpstr *);
633 extern int shp_nav_one_sector(struct emp_qelem *, int, natid, int);
634 extern int shp_missile_defense(coord, coord, natid, int);
635 extern void shp_missdef(struct shpstr *, natid);
636 extern double shp_mobcost(struct shpstr *);
637 extern void shp_set_tech(struct shpstr *, int);
642 extern int sct_supply(struct sctstr *, i_type, int);
643 extern int shp_supply(struct shpstr *, i_type, int);
644 extern int lnd_supply(struct lndstr *, i_type, int);
645 extern int lnd_supply_all(struct lndstr *);
646 extern int lnd_in_supply(struct lndstr *);
647 extern int lnd_could_be_supplied(struct lndstr *);
649 extern void takeover_land(struct lndstr *, natid);
650 extern void takeover(struct sctstr *, natid);
651 extern void takeover_ship(struct shpstr *, natid);
652 extern void takeover_plane(struct plnstr *, natid);
656 extern int trechk(natid, natid, int);
660 extern void clear_telegram_is_new(natid);
661 extern int typed_wu(natid, natid, char *, int);
662 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
665 * src/lib/update/ *.c
668 extern int age_people(int, int);
669 extern void age_levels(int);
671 extern void delete_old_announcements(void);
675 extern void dodeliver(struct sctstr *);
677 extern int dodistribute(struct sctstr *, int, double);
679 extern void finish_sects(int);
681 extern int new_work(struct sctstr *, int);
682 extern int do_feed(struct sctstr *, struct natstr *, short *, int *, int);
683 extern int feed_people(short *, int);
684 extern double food_needed(short *, int);
685 extern int famine_victims(short *, int);
687 extern int prod_land(int, int, struct bp *, int);
693 extern void mob_sect(void);
694 extern void mob_ship(void);
695 extern void mob_land(void);
696 extern void mob_plane(void);
697 extern void sct_do_upd_mob(struct sctstr *sp);
698 extern void shp_do_upd_mob(struct shpstr *sp);
699 extern void lnd_do_upd_mob(struct lndstr *lp);
700 extern void pln_do_upd_mob(struct plnstr *pp);
702 extern void move_sat(struct plnstr *);
704 extern void prod_nat(int);
706 extern int nav_ship(struct shpstr *);
708 extern int load_it(struct shpstr *, struct sctstr *, int);
709 extern void unload_it(struct shpstr *);
713 extern void do_plague(struct sctstr *, struct natstr *, int);
714 extern int plague_people(struct natstr *, short *, int *, int *, int);
716 extern int prod_plane(int, int, struct bp *, int);
718 extern void populace(struct natstr *, struct sctstr *, int);
719 extern int total_work(int, int, int, int, int, int);
721 extern void tax(struct sctstr *, struct natstr *, int, int *, int *,
723 extern int upd_slmilcosts(natid, int);
724 extern void prepare_sects(int, struct bp *);
725 extern int bank_income(struct sctstr *, int);
727 extern int produce(struct natstr *, struct sctstr *, short *, int, int,
729 extern int prod_materials_cost(struct pchrstr *, short[], int *);
730 extern int prod_resource_limit(struct pchrstr *, unsigned char *);
731 extern double prod_eff(int, float);
733 extern int update_removewants(void);
735 extern void revolt(struct sctstr *);
736 extern void guerrilla(struct sctstr *);
738 extern void sail_ship(natid);
740 extern void do_fallout(struct sctstr *, int);
741 extern void spread_fallout(struct sctstr *, int);
742 extern void decay_fallout(struct sctstr *, int);
743 extern void produce_sect(int, int, struct bp *, int[][2]);
745 extern int prod_ship(int, int, struct bp *, int);