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
259 extern int read_builtin_tables(void);
260 extern int read_custom_tables(void);
262 extern int cnumb(char *);
266 extern int emp_config(char *file);
267 extern void print_config(FILE * fp);
269 extern double hap_fact(struct natstr *, struct natstr *);
270 extern double hap_req(struct natstr *np);
272 extern int is_wday_allowed(int, char *);
273 extern int is_daytime_allowed(int, char *);
274 extern int gamehours(time_t);
276 extern int loginit(char *);
277 extern int logreopen(void);
278 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
281 extern int mapdist(int, int, int, int);
289 extern int read_schedule(char *, time_t[], int, time_t, time_t);
291 extern int max_population(float, int, int);
292 extern int max_pop(float, struct sctstr *);
296 extern int sct_typematch(char *);
298 extern int demand_update_want(int *, int *, int);
299 extern int demand_check(void);
300 extern int demandupdatecheck(void);
301 /* xdump.c xundump.c */
308 extern char *fnameat(const char *, const char *);
309 extern FILE *fopenat(const char *, const char *, const char *);
311 extern int fsize(int);
312 extern int blksize(int);
313 extern time_t fdate(int);
315 extern int roll(int);
316 extern int roundavg(double);
317 extern int chance(double);
318 extern int disassoc(void);
319 extern char *effadv(int);
320 extern int parse(char *, char *, char **, char **, char **, char **);
321 extern int ldround(double, int);
322 extern int roundintby(int, int);
323 extern int scthash(int, int, int);
324 extern int tcp_listen(char *, char *, size_t *);
325 extern char *numstr(char buf[], int n);
327 extern char *esplur(int n);
328 extern char *splur(int n);
329 extern char *iesplur(int n);
332 * src/lib/global/ *.c
334 extern void global_init(void);
338 * src/lib/player/ *.c
341 extern void player_init(void);
342 extern struct player *player_new(int);
343 extern struct player *player_delete(struct player *);
344 extern struct player *player_next(struct player *);
345 extern struct player *player_prev(struct player *);
346 extern struct player *getplayer(natid);
347 extern void player_accept(void *);
349 extern int dispatch(char *, char *);
351 extern int getcommand(char *);
352 extern void init_player_commands(void);
353 extern void log_last_commands(void);
354 extern void update_timeused_login(time_t now);
355 extern void update_timeused(time_t now);
356 extern void enforce_minimum_session_time(void);
357 extern int may_play_now(struct natstr *, time_t);
358 /* more under Commands */
361 extern int init_nats(void);
362 extern int player_set_nstat(struct player *, struct natstr *);
364 extern void player_login(void *);
366 extern int natbyname(char *, natid *);
367 extern int natpass(natid, char *);
369 extern struct player *player; /* current player's context */
370 extern char *praddr(struct player *);
371 extern void player_main(struct player *);
372 /* more under Commands */
374 extern int recvclient(char *, int);
377 extern void stop_service(void);
378 /* more in service.h */
384 extern int confirm(char *);
385 extern int askyn(char *);
387 extern void bridge_damaged(struct sctstr *);
388 extern void bridgefall(struct sctstr *);
390 extern void bsanct(void);
392 extern void caploss(struct sctstr *, natid, char *);
394 extern int check_sect_ok(struct sctstr *);
395 extern int check_ship_ok(struct shpstr *);
396 extern int check_land_ok(struct lndstr *);
397 extern int check_nuke_ok(struct nukstr *);
398 extern int check_plane_ok(struct plnstr *);
399 extern int check_comm_ok(struct comstr *);
400 extern int check_loan_ok(struct lonstr *);
401 extern int check_trade_ok(struct trdstr *);
403 extern void set_coastal(struct sctstr *, int, int);
405 extern int military_control(struct sctstr *);
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 int distrea(int, struct trtstr *);
424 extern void ef_init_srv(void);
425 extern void ef_fin_srv(void);
427 extern int sd(natid, natid, coord, coord, int, int, int);
428 extern int dd(natid, natid, coord, coord, int, int);
429 extern int shipdef(natid, natid, coord, coord);
430 extern int feels_like_helping(natid, natid, natid);
432 extern int emp_getbit(int, int, unsigned char *);
433 extern void emp_setbit(int, int, unsigned char *);
434 extern void bitinit2(struct nstr_sect *, unsigned char *, int);
436 extern int getele(char *, char *);
438 extern char *prland(struct lndstr *);
439 extern void lnd_oninit(void *);
440 extern void lnd_postread(int, void *);
441 extern void lnd_prewrite(int, void *, void *);
443 extern double torprange(struct shpstr *);
444 extern double fortrange(struct sctstr *);
445 extern int roundrange(double);
447 extern int shipsatxy(coord, coord, int, int, int);
448 extern int carriersatxy(coord, coord, natid);
449 extern int unitsatxy(coord, coord, int, int);
450 extern int planesatxy(coord, coord, int, int);
451 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
453 extern int has_units(coord, coord, natid, struct lndstr *);
454 extern int adj_units(coord, coord, natid);
455 extern int islist(char *);
457 extern int do_map(int bmap, int unit_type, char *arg1, char *arg2);
458 extern int display_region_map(int bmap, int unit_type, coord curx,
459 coord cury, char *arg);
460 extern int bmaps_intersect(natid, natid);
461 extern int share_bmap(natid, natid, struct nstr_sect *, char, 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 *),
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_oninit(void *);
502 extern void nuk_postread(int, void *);
503 extern void nuk_prewrite(int, void *, void *);
505 extern int nxtitem(struct nstr_item *, void *);
507 extern int nxtsct(struct nstr_sect *, struct sctstr *);
509 extern int onearg(char *, char *);
511 extern char *prplane(struct plnstr *);
512 extern void pln_oninit(void *);
513 extern void pln_postread(int, void *);
514 extern void pln_prewrite(int, void *, void *);
516 extern int get_planes(struct nstr_item *, struct nstr_item *,
518 extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
519 extern int pln_onewaymission(struct sctstr *, int *, int *);
520 extern int pln_oneway_to_carrier_ok(struct emp_qelem *,
521 struct emp_qelem *, int);
522 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
523 extern int could_be_on_ship(struct plnstr *, struct shpstr *,
525 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
526 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
528 extern void pln_mine(struct emp_qelem *, coord, coord);
529 extern int pln_capable(struct plnstr *, int, int);
530 extern int pln_caps(struct emp_qelem *);
531 extern int pln_airbase_ok(struct plnstr *, int, int);
532 extern int carrier_planes(struct shpstr *, int);
533 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
534 struct sctstr *, int, int, int, int);
535 extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *);
536 extern int pln_equip(struct plist *, struct ichrstr *, char);
537 extern int pln_mobcost(int, struct plnstr *, char);
538 extern void pln_put(struct emp_qelem *);
539 extern void pln_put1(struct plist *);
540 extern void plane_sweep(struct emp_qelem *, coord, coord);
541 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
542 extern int pln_hitchance(struct plnstr *, int, int);
543 extern int pln_damage(struct plnstr *, char, int);
544 extern int pln_identchance(struct plnstr *, int, int);
545 extern int pln_is_in_orbit(struct plnstr *);
546 extern void pln_set_tech(struct plnstr *, int);
548 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
549 extern void uprnf(char *buf);
550 extern void pr_id(struct player *, int, char *, ...)
551 ATTRIBUTE((format (printf, 3, 4)));
552 extern void pr_flash(struct player *, char *, ...)
553 ATTRIBUTE((format (printf, 2, 3)));
554 extern void pr_inform(struct player *, char *, ...)
555 ATTRIBUTE((format (printf, 2, 3)));
556 extern void pr_wall(char *, ...)
557 ATTRIBUTE((format (printf, 1, 2)));
558 extern void prredir(char *redir);
559 extern void prexec(char *file);
560 extern void prprompt(int min, int btu);
561 extern int prmptrd(char *prompt, char *str, int size);
562 extern int uprmptrd(char *prompt, char *str, int size);
563 extern void prdate(void);
564 extern void prxy(char *, coord, coord);
565 extern void pr_beep(void);
566 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
567 extern size_t copy_ascii_no_funny(char *, char *);
568 extern size_t copy_utf8_no_funny(char *, char *);
569 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
570 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 void 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);
632 extern void shp_sel(struct nstr_item *, struct emp_qelem *);
633 extern void shp_nav(struct emp_qelem *, double *, double *, int *, natid);
634 extern int shp_sweep(struct emp_qelem *, int, int, natid);
635 extern int shp_check_nav(struct sctstr *, struct shpstr *);
636 extern int sect_has_dock(struct sctstr *);
637 extern int shp_hardtarget(struct shpstr *);
638 extern int shp_nav_one_sector(struct emp_qelem *, int, natid, int);
639 extern int shp_missile_defense(coord, coord, natid, int);
640 extern void shp_missdef(struct shpstr *, natid);
641 extern double shp_mobcost(struct shpstr *);
642 extern void shp_set_tech(struct shpstr *, int);
644 extern int snxtitem(struct nstr_item *, int, char *, char *);
645 extern void snxtitem_area(struct nstr_item *, int, struct range *);
646 extern void snxtitem_dist(struct nstr_item *, int, int, int, int);
647 extern void snxtitem_xy(struct nstr_item *, int, coord, coord);
648 extern void snxtitem_all(struct nstr_item *, int);
649 extern void snxtitem_group(struct nstr_item *, int, char);
650 extern void snxtitem_rewind(struct nstr_item *);
651 extern int snxtitem_list(struct nstr_item *, int, int *, int);
652 extern void snxtitem_cargo(struct nstr_item *, int, int, int);
654 extern int snxtsct(struct nstr_sect *, char *);
655 extern void snxtsct_area(struct nstr_sect *, struct range *);
656 extern void xydist_range(coord, coord, int, struct range *);
657 extern void xysize_range(struct range *);
658 extern void snxtsct_all(struct nstr_sect *);
659 extern void snxtsct_rewind(struct nstr_sect *);
660 extern void snxtsct_dist(struct nstr_sect *, coord, coord, int);
662 extern int sct_supply(struct sctstr *, i_type, int);
663 extern int shp_supply(struct shpstr *, i_type, int);
664 extern int lnd_supply(struct lndstr *, i_type, int);
665 extern int lnd_supply_all(struct lndstr *);
666 extern int lnd_in_supply(struct lndstr *);
667 extern int lnd_could_be_supplied(struct lndstr *);
669 extern void takeover_land(struct lndstr *, natid);
670 extern void takeover(struct sctstr *, natid);
671 extern void takeover_ship(struct shpstr *, natid);
672 extern void takeover_plane(struct plnstr *, natid);
675 extern int trechk(natid, natid, int);
679 extern void clear_telegram_is_new(natid);
680 extern int typed_wu(natid, natid, char *, int);
681 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
684 * src/lib/update/ *.c
687 extern int age_people(int, int);
688 extern void age_levels(int);
690 extern void delete_old_announcements(void);
694 extern void dodeliver(struct sctstr *);
696 extern int dodistribute(struct sctstr *, int, double);
698 extern void finish_sects(int);
700 extern int new_work(struct sctstr *, int);
701 extern int do_feed(struct sctstr *, struct natstr *, short *, int *, int);
702 extern int feed_people(short *, int);
703 extern double food_needed(short *, int);
704 extern int famine_victims(short *, int);
706 extern int prod_land(int, int, struct bp *, int);
712 extern void mob_sect(void);
713 extern void mob_ship(void);
714 extern void mob_land(void);
715 extern void mob_plane(void);
716 extern void sct_do_upd_mob(struct sctstr *sp);
717 extern void shp_do_upd_mob(struct shpstr *sp);
718 extern void lnd_do_upd_mob(struct lndstr *lp);
719 extern void pln_do_upd_mob(struct plnstr *pp);
721 extern void move_sat(struct plnstr *);
723 extern void prod_nat(int);
725 extern int nav_ship(struct shpstr *);
727 extern int load_it(struct shpstr *, struct sctstr *, int);
728 extern void unload_it(struct shpstr *);
730 extern void *nxtitemp(struct nstr_item *);
732 extern void do_plague(struct sctstr *, struct natstr *, int);
733 extern int plague_people(struct natstr *, short *, int *, int *, int);
735 extern int prod_plane(int, int, struct bp *, int);
737 extern void populace(struct natstr *, struct sctstr *, int);
738 extern int total_work(int, int, int, int, int, int);
740 extern void tax(struct sctstr *, struct natstr *, int, long *, int *,
742 extern int upd_slmilcosts(natid, int);
743 extern void prepare_sects(int, struct bp *);
744 extern int bank_income(struct sctstr *, int);
746 extern int produce(struct natstr *, struct sctstr *, short *, int, int,
748 extern double prod_eff(int, float);
750 extern int update_removewants(void);
752 extern void revolt(struct sctstr *);
753 extern void guerrilla(struct sctstr *);
755 extern void sail_ship(natid);
757 extern void do_fallout(struct sctstr *, int);
758 extern void spread_fallout(struct sctstr *, int);
759 extern void decay_fallout(struct sctstr *, int);
760 extern void produce_sect(int, int, struct bp *, long [][2]);
762 extern int prod_ship(int, int, struct bp *, int);