2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2014, 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 want_to_abandon(struct sctstr *, i_type, int, struct lndstr *);
63 extern int would_abandon(struct sctstr *, i_type, int, struct lndstr *);
64 extern int nav_map(int, int, int);
65 extern int do_unit_move(struct emp_qelem *, int *, double *, double *);
66 extern int count_pop(int);
67 extern int scuttle_tradeship(struct shpstr *, int);
68 extern int line_of_sight(char **rad, int ax, int ay, int bx, int by);
69 extern void plane_sona(struct emp_qelem *, int, int, struct shiplist **);
70 extern char *prsub(struct shpstr *);
71 extern int check_trade(void);
72 extern int ontradingblock(int, void *);
73 extern void trdswitchown(int, void *, int);
74 extern int do_look(int);
75 extern void look_at_sect(struct sctstr *, int);
76 extern int radar(int);
77 extern void update_power(void);
78 extern int show_first_tel(char *);
254 * src/lib/common/ *.c
257 extern int read_builtin_tables(void);
258 extern int read_custom_tables(void);
260 extern int cnumb(char *);
264 extern int emp_config(char *file);
265 extern void print_config(FILE * fp);
267 extern double hap_fact(struct natstr *, struct natstr *);
268 extern double hap_req(struct natstr *np);
270 extern int is_wday_allowed(int, char *);
271 extern int is_daytime_allowed(int, char *);
272 extern int gamehours(time_t);
274 extern int mapdist(int, int, int, int);
280 extern int read_schedule(char *, time_t[], int, time_t, time_t);
282 extern int max_population(float, int, int);
283 extern int max_pop(float, struct sctstr *);
287 extern int sct_typematch(char *);
289 extern int demand_update_want(int *, int *, int);
290 extern int demand_check(void);
291 extern int demandupdatecheck(void);
292 /* xdump.c xundump.c */
299 extern int disassoc(void);
301 extern char *fnameat(const char *, const char *);
302 extern FILE *fopenat(const char *, const char *, const char *);
304 extern int fsize(int);
305 extern int blksize(int);
306 extern time_t fdate(int);
310 extern int loginit(char *);
311 extern int logreopen(void);
312 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
316 extern char *effadv(int);
317 extern char *numstr(char buf[], int n);
319 extern int parse(char *, char *, char **, char **, char **, char **);
321 extern char *esplur(int n);
322 extern char *splur(int n);
323 extern char *iesplur(int n);
327 extern int ldround(double, int);
328 extern int roundintby(int, int);
330 extern int scthash(int, int, int);
332 extern int tcp_listen(char *, char *, size_t *);
335 * src/lib/global/ *.c
337 extern void global_init(void);
341 * src/lib/player/ *.c
344 extern void player_init(void);
345 extern struct player *player_new(int);
346 extern struct player *player_delete(struct player *);
347 extern struct player *player_next(struct player *);
348 extern struct player *player_prev(struct player *);
349 extern struct player *getplayer(natid);
350 extern void player_accept(void *);
351 extern time_t player_io_deadline(struct player *, int);
353 extern int dispatch(char *, char *);
355 extern int getcommand(char *);
356 extern void init_player_commands(void);
357 extern void log_last_commands(void);
358 extern void update_timeused_login(time_t now);
359 extern void update_timeused(time_t now);
360 extern void enforce_minimum_session_time(void);
361 extern int may_play_now(struct natstr *, time_t);
362 /* more under Commands */
366 extern int init_nats(void);
367 extern int player_set_nstat(struct player *, struct natstr *);
369 extern void player_login(void *);
371 extern int natbyname(char *, natid *);
372 extern int natpass(natid, char *);
374 extern struct player *player; /* current player's context */
375 extern char *praddr(struct player *);
376 extern void player_main(struct player *);
377 extern void make_stale_if_command_arg(char *);
378 /* more under Commands */
380 extern int recvclient(char *, int);
383 extern void stop_service(void);
384 /* more in service.h */
392 extern int confirm(char *);
393 extern int askyn(char *);
395 extern int bridge_support_at(struct sctstr *, int);
396 extern void bridge_damaged(struct sctstr *);
397 extern void bridgefall(struct sctstr *);
399 extern void bsanct(void);
401 extern void caploss(struct sctstr *, natid, char *);
403 extern int check_obj_ok(struct empobj *);
404 extern int check_sect_ok(struct sctstr *);
405 extern int check_ship_ok(struct shpstr *);
406 extern int check_land_ok(struct lndstr *);
407 extern int check_nuke_ok(struct nukstr *);
408 extern int check_plane_ok(struct plnstr *);
409 extern int check_comm_ok(struct comstr *);
410 extern int check_loan_ok(struct lonstr *);
411 extern int check_trade_ok(struct trdstr *);
413 extern void set_coastal(struct sctstr *, int, int);
415 extern int military_control(struct sctstr *);
417 extern void landdamage(struct lndstr *, int);
418 extern void ship_damage(struct shpstr *, int);
419 extern int damage(int, int);
420 extern void shipdamage(struct shpstr *, int);
421 extern void land_damage(struct lndstr *, int);
422 extern void planedamage(struct plnstr *, int);
423 extern int nukedamage(struct nchrstr *, int, int);
424 extern int effdamage(int, int);
425 extern void item_damage(int, short *);
426 extern int commdamage(int, int, i_type);
428 extern int detonate(struct nukstr *, coord, coord, int);
430 extern int disloan(int, struct lonstr *);
432 extern int distrea(int, struct trtstr *);
434 extern void ef_init_srv(int);
435 extern void ef_fin_srv(void);
437 extern int sd(natid, natid, coord, coord, int, int, int);
438 extern int dd(natid, natid, coord, coord, int, int);
439 extern int shipdef(natid, natid, coord, coord);
440 extern int feels_like_helping(natid, natid, natid);
442 extern int emp_getbit(int, int, unsigned char *);
443 extern void emp_setbit(int, int, unsigned char *);
444 extern void bitinit2(struct nstr_sect *, unsigned char *, int);
446 extern int getele(char *, char *);
448 extern char *prland(struct lndstr *);
449 extern void lnd_postread(int, void *);
450 extern void lnd_prewrite(int, void *, void *);
452 extern double torprange(struct shpstr *);
453 extern double fortrange(struct sctstr *);
454 extern int roundrange(double);
456 extern int shipsatxy(coord, coord, int, int, int);
457 extern int carriersatxy(coord, coord, natid);
458 extern int unitsatxy(coord, coord, int, int);
459 extern int planesatxy(coord, coord, int, int);
460 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
462 extern int has_units(coord, coord, natid, struct lndstr *);
463 extern int adj_units(coord, coord, natid);
464 extern int islist(char *);
468 extern char *mission_name(int);
469 extern int collateral_damage(coord, coord, int);
470 extern int mission_pln_equip(struct plist *, struct ichrstr *, char);
471 extern int ground_interdict(coord, coord, natid, char *);
472 extern int unit_interdict(coord, coord, natid, char *, int, int);
473 extern int off_support(coord, coord, natid, natid);
474 extern int def_support(coord, coord, natid, natid);
475 extern int oprange(struct empobj *);
476 extern int in_oparea(struct empobj *, coord, coord);
477 extern int cando(int, int);
479 extern int check_lmines(coord, coord, double);
480 extern int move_ground(struct sctstr *, struct sctstr *,
482 int (*)(coord, coord, char *, char *),
484 extern int fly_map(coord, coord);
486 extern int msl_launch(struct plnstr *, int, char *, coord, coord, natid,
488 extern int msl_hit(struct plnstr *, int, int, int, int, int, natid);
489 extern void msl_sel(struct emp_qelem *, coord, coord, natid, int,
491 extern int msl_abm_intercept(struct plnstr *, coord, coord, int);
492 extern int msl_asat_intercept(struct plnstr *, coord, coord);
494 extern int comtch(char *, struct cmndstr *, int);
496 extern struct natstr *natargp(char *, char *);
497 extern int natarg(char *, char *);
499 extern int neigh(coord, coord, natid);
501 extern void delete_old_news(void);
502 extern void init_nreport(void);
503 extern void nreport(natid, int, natid, int);
505 extern char *prnuke(struct nukstr *);
506 extern void nuk_postread(int, void *);
507 extern void nuk_prewrite(int, void *, void *);
512 extern int onearg(char *, char *);
514 extern char *prplane(struct plnstr *);
515 extern void pln_postread(int, void *);
516 extern void pln_prewrite(int, void *, void *);
518 extern int get_planes(struct nstr_item *, struct nstr_item *,
520 extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
521 extern int pln_where_to_land(coord, coord, union empobj_storage *, int *);
522 extern int pln_can_land_on_carrier(struct emp_qelem *, struct emp_qelem *,
524 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
525 extern int could_be_on_ship(struct plnstr *, struct shpstr *);
526 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
527 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
529 extern void pln_mine(struct emp_qelem *, coord, coord);
530 extern int pln_capable(struct plnstr *, int, int);
531 extern int pln_caps(struct emp_qelem *);
532 extern int pln_airbase_ok(struct plnstr *, int, int);
533 extern int carrier_planes(struct shpstr *, int);
534 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
535 struct sctstr *, int, int, int, int);
536 extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *);
537 extern int pln_equip(struct plist *, struct ichrstr *, char);
538 extern int pln_mobcost(int, struct plnstr *, char);
539 extern void pln_put(struct emp_qelem *);
540 extern void pln_put1(struct plist *);
541 extern void plane_sweep(struct emp_qelem *, coord, coord);
542 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
543 extern int pln_hitchance(struct plnstr *, int, int);
544 extern int pln_damage(struct plnstr *, char, int);
545 extern int pln_identchance(struct plnstr *, int, int);
546 extern int pln_is_in_orbit(struct plnstr *);
547 extern void pln_set_tech(struct plnstr *, int);
549 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
550 extern void uprnf(char *buf);
551 extern void pr_id(struct player *, int, char *, ...)
552 ATTRIBUTE((format (printf, 3, 4)));
553 extern void pr_flash(struct player *, char *, ...)
554 ATTRIBUTE((format (printf, 2, 3)));
555 extern void pr_inform(struct player *, char *, ...)
556 ATTRIBUTE((format (printf, 2, 3)));
557 extern void pr_wall(char *, ...)
558 ATTRIBUTE((format (printf, 1, 2)));
559 extern void prredir(char *redir);
560 extern void prexec(char *file);
561 extern void prprompt(int min, int btu);
562 extern int prmptrd(char *prompt, char *str, int size);
563 extern int uprmptrd(char *prompt, char *str, int size);
564 extern void prdate(void);
565 extern void prxy(char *, coord, coord);
566 extern void pr_beep(void);
567 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
568 extern size_t copy_ascii_no_funny(char *, char *);
569 extern size_t copy_utf8_no_funny(char *, char *);
570 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
571 extern int ufindpfx(char *, int);
573 extern int deltx(struct range *, coord);
574 extern int delty(struct range *, coord);
575 extern void radmap(int, int, int, double, int, double);
576 extern void rad_map_set(natid, int, int, int, double, int);
578 extern void setrel(natid, natid, int);
579 extern void setcont(natid, natid, int);
580 extern void setrej(natid, natid, int, int);
582 extern void retreat_ship(struct shpstr *, char);
583 extern void retreat_land(struct lndstr *, char);
584 extern int check_retreat_and_do_shipdamage(struct shpstr *, int);
585 extern int check_retreat_and_do_landdamage(struct lndstr *, int);
587 extern enum ns_seltype sarg_type(char *);
588 extern int sarg_xy(char *, coord *, coord *);
589 extern int sarg_area(char *, struct range *);
590 extern int sarg_range(char *, coord *, coord *, int *);
591 extern int sarg_list(char *, int *, int);
593 extern void satdisp_sect(struct sctstr *, int);
594 extern void satdisp_units(coord, coord);
595 extern int satmap(int, int, int, int, int, int);
596 extern void sathead(void);
598 extern void sct_postread(int, void *);
599 extern void sct_prewrite(int, void *, void *);
600 extern void item_prewrite(short *);
601 extern int issector(char *);
603 extern int sect_damage(struct sctstr *, int);
604 extern int sectdamage(struct sctstr *, int);
606 extern char *prship(struct shpstr *);
607 extern void shp_postread(int, void *);
608 extern void shp_prewrite(int, void *, void *);
610 extern void show_bridge(int);
611 extern void show_tower(int);
612 extern void show_nuke_stats(int);
613 extern void show_nuke_capab(int);
614 extern void show_nuke_build(int);
615 extern void show_ship_build(int);
616 extern void show_ship_stats(int);
617 extern void show_ship_capab(int);
618 extern void show_plane_stats(int);
619 extern void show_plane_capab(int);
620 extern void show_plane_build(int);
621 extern void show_land_build(int);
622 extern void show_land_capab(int);
623 extern void show_land_stats(int);
624 extern void show_sect_build(int);
625 extern void show_sect_stats(int);
626 extern void show_sect_capab(int);
627 extern void show_item(int);
628 extern void show_news(int);
629 extern void show_product(int);
630 extern void show_updates(int);
637 extern int sct_supply(struct sctstr *, i_type, int);
638 extern int shp_supply(struct shpstr *, i_type, int);
639 extern int lnd_supply(struct lndstr *, i_type, int);
640 extern int lnd_supply_all(struct lndstr *);
641 extern int lnd_in_supply(struct lndstr *);
642 extern int lnd_could_be_supplied(struct lndstr *);
644 extern void takeover_land(struct lndstr *, natid);
645 extern void takeover(struct sctstr *, natid);
646 extern void takeover_ship(struct shpstr *, natid);
647 extern void takeover_plane(struct plnstr *, natid);
651 extern int trechk(natid, natid, int);
655 extern void clear_telegram_is_new(natid);
656 extern int typed_wu(natid, natid, char *, int);
657 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
660 * src/lib/update/ *.c
663 extern int age_people(int, int);
664 extern void age_levels(int);
666 extern void delete_old_announcements(void);
670 extern void dodeliver(struct sctstr *);
672 extern int dodistribute(struct sctstr *, int, double);
674 extern void finish_sects(int);
676 extern int new_work(struct sctstr *, int);
677 extern int do_feed(struct sctstr *, struct natstr *, short *, int *, int);
678 extern int feed_people(short *, int);
679 extern double food_needed(short *, int);
680 extern int famine_victims(short *, int);
682 extern int prod_land(int, int, struct bp *, int);
688 extern void mob_sect(void);
689 extern void mob_ship(void);
690 extern void mob_land(void);
691 extern void mob_plane(void);
692 extern void sct_do_upd_mob(struct sctstr *sp);
693 extern void shp_do_upd_mob(struct shpstr *sp);
694 extern void lnd_do_upd_mob(struct lndstr *lp);
695 extern void pln_do_upd_mob(struct plnstr *pp);
697 extern void move_sat(struct plnstr *);
699 extern void prod_nat(int);
701 extern int nav_ship(struct shpstr *);
703 extern int load_it(struct shpstr *, struct sctstr *, int);
704 extern void unload_it(struct shpstr *);
708 extern void do_plague(struct sctstr *, struct natstr *, int);
709 extern int plague_people(struct natstr *, short *, int *, int *, int);
711 extern int prod_plane(int, int, struct bp *, int);
713 extern void populace(struct natstr *, struct sctstr *, int);
714 extern int total_work(int, int, int, int, int, int);
716 extern void tax(struct sctstr *, struct natstr *, int, int *, int *,
718 extern int upd_slmilcosts(natid, int);
719 extern void prepare_sects(int, struct bp *);
720 extern int bank_income(struct sctstr *, int);
722 extern int produce(struct natstr *, struct sctstr *, short *, int, int,
724 extern int prod_materials_cost(struct pchrstr *, short[], int *);
725 extern int prod_resource_limit(struct pchrstr *, unsigned char *);
726 extern double prod_eff(int, float);
728 extern int update_removewants(void);
730 extern void revolt(struct sctstr *);
731 extern void guerrilla(struct sctstr *);
733 extern void sail_ship(natid);
735 extern void do_fallout(struct sctstr *, int);
736 extern void spread_fallout(struct sctstr *, int);
737 extern void decay_fallout(struct sctstr *, int);
738 extern void produce_sect(int, int, struct bp *, int[][2]);
740 extern int prod_ship(int, int, struct bp *, int);