2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2011, 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
46 /* src/server/main.c */
47 extern void shutdwn(int sig);
48 extern void init_server(unsigned);
49 extern void start_server(int);
50 extern void finish_server(void);
52 /* src/lib/empthread/lwp.c */
56 * src/lib/commands/ *.c
58 extern int check_market(void);
59 extern void gift(natid, natid, void *, char *);
60 extern int display_mark(i_type, int);
61 extern int want_to_abandon(struct sctstr *, i_type, int, struct lndstr *);
62 extern int would_abandon(struct sctstr *, i_type, int, struct lndstr *);
63 extern int nav_map(int, int, int);
64 extern int do_unit_move(struct emp_qelem *, int *, double *, double *);
65 extern int count_pop(int);
66 extern int scuttle_tradeship(struct shpstr *, int);
67 extern void resnoise(struct sctstr *, int, char *, int, 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 loginit(char *);
275 extern int logreopen(void);
276 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
279 extern int mapdist(int, int, int, int);
287 extern int read_schedule(char *, time_t[], int, time_t, time_t);
289 extern int max_population(float, int, int);
290 extern int max_pop(float, struct sctstr *);
294 extern int sct_typematch(char *);
296 extern int demand_update_want(int *, int *, int);
297 extern int demand_check(void);
298 extern int demandupdatecheck(void);
299 /* xdump.c xundump.c */
306 extern char *fnameat(const char *, const char *);
307 extern FILE *fopenat(const char *, const char *, const char *);
309 extern int fsize(int);
310 extern int blksize(int);
311 extern time_t fdate(int);
313 extern int roll(int);
314 extern int roundavg(double);
315 extern int chance(double);
316 extern int disassoc(void);
317 extern char *effadv(int);
318 extern int parse(char *, char *, char **, char **, char **, char **);
319 extern int ldround(double, int);
320 extern int roundintby(int, int);
321 extern int scthash(int, int, int);
322 extern int tcp_listen(char *, char *, size_t *);
323 extern char *numstr(char buf[], int n);
325 extern char *esplur(int n);
326 extern char *splur(int n);
327 extern char *iesplur(int n);
330 * src/lib/global/ *.c
332 extern void global_init(void);
336 * src/lib/player/ *.c
339 extern void player_init(void);
340 extern struct player *player_new(int);
341 extern struct player *player_delete(struct player *);
342 extern struct player *player_next(struct player *);
343 extern struct player *player_prev(struct player *);
344 extern struct player *getplayer(natid);
345 extern void player_accept(void *);
347 extern int dispatch(char *, char *);
349 extern int getcommand(char *);
350 extern void init_player_commands(void);
351 extern void log_last_commands(void);
352 extern void update_timeused_login(time_t now);
353 extern void update_timeused(time_t now);
354 extern void enforce_minimum_session_time(void);
355 extern int may_play_now(struct natstr *, time_t);
356 /* more under Commands */
359 extern int init_nats(void);
360 extern int player_set_nstat(struct player *, struct natstr *);
362 extern void player_login(void *);
364 extern int natbyname(char *, natid *);
365 extern int natpass(natid, char *);
367 extern struct player *player; /* current player's context */
368 extern char *praddr(struct player *);
369 extern void player_main(struct player *);
370 /* more under Commands */
372 extern int recvclient(char *, int);
375 extern void stop_service(void);
376 /* more in service.h */
382 extern int confirm(char *);
383 extern int askyn(char *);
385 extern void bridge_damaged(struct sctstr *);
386 extern void bridgefall(struct sctstr *);
388 extern void bsanct(void);
390 extern void caploss(struct sctstr *, natid, char *);
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 *);
405 extern void landdamage(struct lndstr *, int);
406 extern void ship_damage(struct shpstr *, int);
407 extern int damage(int, int);
408 extern void shipdamage(struct shpstr *, int);
409 extern void land_damage(struct lndstr *, int);
410 extern void planedamage(struct plnstr *, int);
411 extern int nukedamage(struct nchrstr *, int, int);
412 extern int effdamage(int, int);
413 extern void item_damage(int, short *);
414 extern int commdamage(int, int, i_type);
416 extern int detonate(struct nukstr *, coord, coord, int);
418 extern int disloan(int, struct lonstr *);
420 extern int distrea(int, struct trtstr *);
422 extern void ef_init_srv(void);
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_oninit(void *);
438 extern void lnd_postread(int, void *);
439 extern void lnd_prewrite(int, void *, void *);
441 extern double torprange(struct shpstr *);
442 extern double fortrange(struct sctstr *);
443 extern int roundrange(double);
445 extern int shipsatxy(coord, coord, int, int, int);
446 extern int carriersatxy(coord, coord, natid);
447 extern int unitsatxy(coord, coord, int, int);
448 extern int planesatxy(coord, coord, int, int);
449 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
451 extern int has_units(coord, coord, natid, struct lndstr *);
452 extern int adj_units(coord, coord, natid);
453 extern int islist(char *);
455 extern int do_map(int bmap, int unit_type, char *arg1, char *arg2);
456 extern int display_region_map(int bmap, int unit_type, coord curx,
457 coord cury, char *arg);
458 extern int bmaps_intersect(natid, natid);
459 extern int share_bmap(natid, natid, struct nstr_sect *, char, char *);
461 extern char *mission_name(int);
462 extern int collateral_damage(coord, coord, int);
463 extern int mission_pln_equip(struct plist *, struct ichrstr *, char);
464 extern int ground_interdict(coord, coord, natid, char *);
465 extern int unit_interdict(coord, coord, natid, char *, int, int);
466 extern int off_support(coord, coord, natid, natid);
467 extern int def_support(coord, coord, natid, natid);
468 extern int oprange(struct empobj *);
469 extern int in_oparea(struct empobj *, coord, coord);
470 extern int cando(int, int);
472 extern int check_lmines(coord, coord, double);
473 extern int move_ground(struct sctstr *, struct sctstr *,
475 int (*)(coord, coord, char *),
477 extern int fly_map(coord, coord);
479 extern int msl_launch(struct plnstr *, int, char *, coord, coord, natid,
481 extern int msl_hit(struct plnstr *, int, int, int, int, int, natid);
482 extern void msl_sel(struct emp_qelem *, coord, coord, natid, int,
484 extern int msl_abm_intercept(struct plnstr *, coord, coord, int);
485 extern int msl_asat_intercept(struct plnstr *, coord, coord);
487 extern int comtch(char *, struct cmndstr *, int);
489 extern struct natstr *natargp(char *, char *);
490 extern int natarg(char *, char *);
492 extern int neigh(coord, coord, natid);
494 extern void delete_old_news(void);
495 extern void init_nreport(void);
496 extern void nreport(natid, int, natid, int);
498 extern char *prnuke(struct nukstr *);
499 extern void nuk_oninit(void *);
500 extern void nuk_postread(int, void *);
501 extern void nuk_prewrite(int, void *, void *);
503 extern int nxtitem(struct nstr_item *, void *);
505 extern int nxtsct(struct nstr_sect *, struct sctstr *);
507 extern int onearg(char *, char *);
509 extern char *prplane(struct plnstr *);
510 extern void pln_oninit(void *);
511 extern void pln_postread(int, void *);
512 extern void pln_prewrite(int, void *, void *);
514 extern int get_planes(struct nstr_item *, struct nstr_item *,
516 extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
517 extern int pln_onewaymission(struct sctstr *, int *, int *);
518 extern int pln_oneway_to_carrier_ok(struct emp_qelem *,
519 struct emp_qelem *, int);
520 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
521 extern int could_be_on_ship(struct plnstr *, struct shpstr *,
523 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
524 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
526 extern void pln_mine(struct emp_qelem *, coord, coord);
527 extern int pln_capable(struct plnstr *, int, int);
528 extern int pln_caps(struct emp_qelem *);
529 extern int pln_airbase_ok(struct plnstr *, int, int);
530 extern int carrier_planes(struct shpstr *, int);
531 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
532 struct sctstr *, int, int, int, int);
533 extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *);
534 extern int pln_equip(struct plist *, struct ichrstr *, char);
535 extern int pln_mobcost(int, struct plnstr *, char);
536 extern void pln_put(struct emp_qelem *);
537 extern void pln_put1(struct plist *);
538 extern void plane_sweep(struct emp_qelem *, coord, coord);
539 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
540 extern int pln_hitchance(struct plnstr *, int, int);
541 extern int pln_damage(struct plnstr *, char, int);
542 extern int pln_identchance(struct plnstr *, int, int);
543 extern int pln_is_in_orbit(struct plnstr *);
544 extern void pln_set_tech(struct plnstr *, int);
546 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
547 extern void uprnf(char *buf);
548 extern void pr_id(struct player *, int, char *, ...)
549 ATTRIBUTE((format (printf, 3, 4)));
550 extern void pr_flash(struct player *, char *, ...)
551 ATTRIBUTE((format (printf, 2, 3)));
552 extern void pr_inform(struct player *, char *, ...)
553 ATTRIBUTE((format (printf, 2, 3)));
554 extern void pr_wall(char *, ...)
555 ATTRIBUTE((format (printf, 1, 2)));
556 extern void prredir(char *redir);
557 extern void prexec(char *file);
558 extern void prprompt(int min, int btu);
559 extern int prmptrd(char *prompt, char *str, int size);
560 extern int uprmptrd(char *prompt, char *str, int size);
561 extern void prdate(void);
562 extern void prxy(char *, coord, coord);
563 extern void pr_beep(void);
564 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
565 extern size_t copy_ascii_no_funny(char *, char *);
566 extern size_t copy_utf8_no_funny(char *, char *);
567 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
568 extern int ufindpfx(char *, int);
571 extern int deltx(struct range *, coord);
572 extern int delty(struct range *, coord);
573 extern void radmap(int, int, int, double, int, double);
574 extern void rad_map_set(natid, int, int, int, double, int);
576 extern void setrel(natid, natid, int);
577 extern void setcont(natid, natid, int);
578 extern void setrej(natid, natid, int, int);
580 extern void retreat_ship(struct shpstr *, char);
581 extern void retreat_land(struct lndstr *, char);
582 extern int check_retreat_and_do_shipdamage(struct shpstr *, int);
583 extern int check_retreat_and_do_landdamage(struct lndstr *, int);
585 extern enum ns_seltype sarg_type(char *);
586 extern int sarg_xy(char *, coord *, coord *);
587 extern int sarg_area(char *, struct range *);
588 extern int sarg_range(char *, coord *, coord *, int *);
589 extern int sarg_list(char *, int *, int);
591 extern void satdisp_sect(struct sctstr *, int);
592 extern void satdisp_units(coord, coord);
593 extern void satmap(int, int, int, int, int, int);
594 extern void sathead(void);
596 extern void sct_postread(int, void *);
597 extern void sct_prewrite(int, void *, void *);
598 extern void item_prewrite(short *);
599 extern int issector(char *);
601 extern int sect_damage(struct sctstr *, int);
602 extern int sectdamage(struct sctstr *, int);
604 extern char *prship(struct shpstr *);
605 extern void shp_postread(int, void *);
606 extern void shp_prewrite(int, void *, void *);
608 extern void show_bridge(int);
609 extern void show_tower(int);
610 extern void show_nuke_stats(int);
611 extern void show_nuke_capab(int);
612 extern void show_nuke_build(int);
613 extern void show_ship_build(int);
614 extern void show_ship_stats(int);
615 extern void show_ship_capab(int);
616 extern void show_plane_stats(int);
617 extern void show_plane_capab(int);
618 extern void show_plane_build(int);
619 extern void show_land_build(int);
620 extern void show_land_capab(int);
621 extern void show_land_stats(int);
622 extern void show_sect_build(int);
623 extern void show_sect_stats(int);
624 extern void show_sect_capab(int);
625 extern void show_item(int);
626 extern void show_news(int);
627 extern void show_product(int);
628 extern void show_updates(int);
630 extern void shp_sel(struct nstr_item *, struct emp_qelem *);
631 extern void shp_nav(struct emp_qelem *, double *, double *, int *, natid);
632 extern int shp_sweep(struct emp_qelem *, int, int, natid);
633 extern int shp_check_nav(struct sctstr *, struct shpstr *);
634 extern int sect_has_dock(struct sctstr *);
635 extern int shp_hardtarget(struct shpstr *);
636 extern int shp_nav_one_sector(struct emp_qelem *, int, natid, int);
637 extern int shp_missile_defense(coord, coord, natid, int);
638 extern void shp_missdef(struct shpstr *, natid);
639 extern double shp_mobcost(struct shpstr *);
640 extern void shp_set_tech(struct shpstr *, int);
642 extern int snxtitem(struct nstr_item *, int, char *, char *);
643 extern void snxtitem_area(struct nstr_item *, int, struct range *);
644 extern void snxtitem_dist(struct nstr_item *, int, int, int, int);
645 extern void snxtitem_xy(struct nstr_item *, int, coord, coord);
646 extern void snxtitem_all(struct nstr_item *, int);
647 extern void snxtitem_group(struct nstr_item *, int, char);
648 extern void snxtitem_rewind(struct nstr_item *);
649 extern int snxtitem_list(struct nstr_item *, int, int *, int);
650 extern void snxtitem_cargo(struct nstr_item *, int, int, int);
652 extern int snxtsct(struct nstr_sect *, char *);
653 extern void snxtsct_area(struct nstr_sect *, struct range *);
654 extern void xydist_range(coord, coord, int, struct range *);
655 extern void xysize_range(struct range *);
656 extern void snxtsct_all(struct nstr_sect *);
657 extern void snxtsct_rewind(struct nstr_sect *);
658 extern void snxtsct_dist(struct nstr_sect *, coord, coord, int);
660 extern int sct_supply(struct sctstr *, i_type, int);
661 extern int shp_supply(struct shpstr *, i_type, int);
662 extern int lnd_supply(struct lndstr *, i_type, int);
663 extern int lnd_supply_all(struct lndstr *);
664 extern int lnd_in_supply(struct lndstr *);
665 extern int lnd_could_be_supplied(struct lndstr *);
667 extern void takeover_land(struct lndstr *, natid);
668 extern void takeover(struct sctstr *, natid);
669 extern void takeover_ship(struct shpstr *, natid);
670 extern void takeover_plane(struct plnstr *, natid);
673 extern int trechk(natid, natid, int);
677 extern void clear_telegram_is_new(natid);
678 extern int typed_wu(natid, natid, char *, int);
679 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
682 * src/lib/update/ *.c
685 extern int age_people(int, int);
686 extern void age_levels(int);
688 extern void delete_old_announcements(void);
692 extern void dodeliver(struct sctstr *);
694 extern int dodistribute(struct sctstr *, int, double);
696 extern void finish_sects(int);
698 extern int new_work(struct sctstr *, int);
699 extern int do_feed(struct sctstr *, struct natstr *, short *, int *, int);
700 extern int feed_people(short *, int);
701 extern double food_needed(short *, int);
702 extern int famine_victims(short *, int);
704 extern int prod_land(int, int, struct bp *, int);
710 extern void mob_sect(void);
711 extern void mob_ship(void);
712 extern void mob_land(void);
713 extern void mob_plane(void);
714 extern void sct_do_upd_mob(struct sctstr *sp);
715 extern void shp_do_upd_mob(struct shpstr *sp);
716 extern void lnd_do_upd_mob(struct lndstr *lp);
717 extern void pln_do_upd_mob(struct plnstr *pp);
719 extern void move_sat(struct plnstr *);
721 extern void prod_nat(int);
723 extern int nav_ship(struct shpstr *);
725 extern int load_it(struct shpstr *, struct sctstr *, int);
726 extern void unload_it(struct shpstr *);
728 extern void *nxtitemp(struct nstr_item *);
730 extern void do_plague(struct sctstr *, struct natstr *, int);
731 extern int plague_people(struct natstr *, short *, int *, int *, int);
733 extern int prod_plane(int, int, struct bp *, int);
735 extern void populace(struct natstr *, struct sctstr *, int);
736 extern int total_work(int, int, int, int, int, int);
738 extern void tax(struct sctstr *, struct natstr *, int, long *, int *,
740 extern int upd_slmilcosts(natid, int);
741 extern void prepare_sects(int, struct bp *);
742 extern int bank_income(struct sctstr *, int);
744 extern int produce(struct natstr *, struct sctstr *, short *, int, int,
746 extern double prod_eff(int, float);
748 extern int update_removewants(void);
750 extern void revolt(struct sctstr *);
751 extern void guerrilla(struct sctstr *);
753 extern void sail_ship(natid);
755 extern void do_fallout(struct sctstr *, int);
756 extern void spread_fallout(struct sctstr *, int);
757 extern void decay_fallout(struct sctstr *, int);
758 extern void produce_sect(int, int, struct bp *, long [][2]);
760 extern int prod_ship(int, int, struct bp *, int);