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 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, struct empobj *, 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 *);
250 * src/lib/common/ *.c
253 extern int read_builtin_tables(void);
254 extern int read_custom_tables(void);
256 extern int cnumb(char *);
260 extern int emp_config(char *file);
261 extern void print_config(FILE * fp);
263 extern double hap_fact(struct natstr *, struct natstr *);
264 extern double hap_req(struct natstr *np);
266 extern int is_wday_allowed(int, char *);
267 extern int is_daytime_allowed(int, char *);
268 extern int gamehours(time_t);
270 extern int mapdist(int, int, int, int);
276 extern int read_schedule(char *, time_t[], int, time_t, time_t);
278 extern int max_population(float, int, int);
279 extern int max_pop(float, struct sctstr *);
283 extern int sct_typematch(char *);
285 extern int demand_update_want(int *, int *, int);
286 extern int demand_check(void);
287 extern int demandupdatecheck(void);
288 /* xdump.c xundump.c */
295 extern int disassoc(void);
297 extern char *fnameat(const char *, const char *);
298 extern FILE *fopenat(const char *, const char *, const char *);
300 extern int fsize(int);
301 extern int blksize(int);
302 extern time_t fdate(int);
306 extern int loginit(char *);
307 extern int logreopen(void);
308 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
312 extern char *effadv(int);
313 extern char *numstr(char buf[], int n);
315 extern int parse(char *, char *, char **, char **, char **, char **);
317 extern char *esplur(int n);
318 extern char *splur(int n);
319 extern char *iesplur(int n);
323 extern int ldround(double, int);
324 extern int roundintby(int, int);
326 extern int scthash(int, int, int);
328 extern int tcp_listen(char *, char *, size_t *);
331 * src/lib/global/ *.c
333 extern void global_init(void);
337 * src/lib/player/ *.c
340 extern void player_init(void);
341 extern struct player *player_new(int);
342 extern struct player *player_delete(struct player *);
343 extern struct player *player_next(struct player *);
344 extern struct player *player_prev(struct player *);
345 extern struct player *getplayer(natid);
346 extern void player_accept(void *);
347 extern time_t player_io_deadline(struct player *, int);
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 */
362 extern int init_nats(void);
363 extern int player_set_nstat(struct player *, struct natstr *);
365 extern void player_login(void *);
367 extern int natbyname(char *, natid *);
368 extern int natpass(natid, char *);
370 extern struct player *player; /* current player's context */
371 extern char *praddr(struct player *);
372 extern void player_main(struct player *);
373 extern void make_stale_if_command_arg(char *);
374 /* more under Commands */
376 extern int recvclient(char *, int);
379 extern void stop_service(void);
380 /* more in service.h */
388 extern int confirm(char *);
389 extern int askyn(char *);
391 extern int bridge_support_at(struct sctstr *, int);
392 extern void bridge_damaged(struct sctstr *);
393 extern void bridgefall(struct sctstr *);
395 extern void bsanct(void);
397 extern void caploss(struct sctstr *, natid, char *);
399 extern int check_obj_ok(struct empobj *);
400 extern int check_sect_ok(struct sctstr *);
401 extern int check_ship_ok(struct shpstr *);
402 extern int check_land_ok(struct lndstr *);
403 extern int check_nuke_ok(struct nukstr *);
404 extern int check_plane_ok(struct plnstr *);
405 extern int check_comm_ok(struct comstr *);
406 extern int check_loan_ok(struct lonstr *);
407 extern int check_trade_ok(struct trdstr *);
409 extern void set_coastal(struct sctstr *, int, int);
411 extern int military_control(struct sctstr *);
413 extern void landdamage(struct lndstr *, int);
414 extern void ship_damage(struct shpstr *, int);
415 extern int damage(int, int);
416 extern void shipdamage(struct shpstr *, int);
417 extern void land_damage(struct lndstr *, int);
418 extern void planedamage(struct plnstr *, int);
419 extern int nukedamage(struct nchrstr *, int, int);
420 extern int effdamage(int, int);
421 extern void item_damage(int, short *);
422 extern int commdamage(int, int, i_type);
424 extern int detonate(struct nukstr *, coord, coord, int);
426 extern int disloan(int, struct lonstr *);
428 extern int distrea(int, struct trtstr *);
430 extern void ef_init_srv(int);
431 extern void ef_fin_srv(void);
433 extern int sd(natid, natid, coord, coord, int, int, int);
434 extern int dd(natid, natid, coord, coord, int, int);
435 extern int shipdef(natid, natid, coord, coord);
436 extern int feels_like_helping(natid, natid, natid);
438 extern int emp_getbit(int, int, unsigned char *);
439 extern void emp_setbit(int, int, unsigned char *);
440 extern void bitinit2(struct nstr_sect *, unsigned char *, int);
442 extern int getele(char *, char *);
444 extern char *prland(struct lndstr *);
445 extern void lnd_postread(int, void *);
446 extern void lnd_prewrite(int, void *, void *);
448 extern double torprange(struct shpstr *);
449 extern double fortrange(struct sctstr *);
450 extern int roundrange(double);
452 extern int shipsatxy(coord, coord, int, int, int);
453 extern int carriersatxy(coord, coord, natid);
454 extern int unitsatxy(coord, coord, int, int);
455 extern int planesatxy(coord, coord, int, int);
456 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
458 extern int has_units(coord, coord, natid, struct lndstr *);
459 extern int adj_units(coord, coord, natid);
460 extern int islist(char *);
464 extern char *mission_name(int);
465 extern int collateral_damage(coord, coord, int);
466 extern int mission_pln_equip(struct plist *, struct ichrstr *, char);
467 extern int ground_interdict(coord, coord, natid, char *);
468 extern int unit_interdict(coord, coord, natid, char *, int, int);
469 extern int off_support(coord, coord, natid, natid);
470 extern int def_support(coord, coord, natid, natid);
471 extern int oprange(struct empobj *);
472 extern int in_oparea(struct empobj *, coord, coord);
473 extern int cando(int, int);
475 extern int check_lmines(coord, coord, double);
476 extern int move_ground(struct sctstr *, struct sctstr *,
478 int (*)(coord, coord, char *, char *),
480 extern int fly_map(coord, coord);
482 extern int msl_launch(struct plnstr *, int, char *, coord, coord, natid,
484 extern int msl_hit(struct plnstr *, int, int, int, int, int, natid);
485 extern void msl_sel(struct emp_qelem *, coord, coord, natid, int,
487 extern int msl_abm_intercept(struct plnstr *, coord, coord, int);
488 extern int msl_asat_intercept(struct plnstr *, coord, coord);
490 extern int comtch(char *, struct cmndstr *, int);
492 extern struct natstr *natargp(char *, char *);
493 extern int natarg(char *, char *);
495 extern int neigh(coord, coord, natid);
497 extern void delete_old_news(void);
498 extern void init_nreport(void);
499 extern void nreport(natid, int, natid, int);
501 extern char *prnuke(struct nukstr *);
502 extern void nuk_postread(int, void *);
503 extern void nuk_prewrite(int, void *, void *);
508 extern int onearg(char *, char *);
510 extern char *prplane(struct plnstr *);
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_where_to_land(coord, coord, union empobj_storage *, int *);
518 extern int pln_can_land_on_carrier(struct emp_qelem *, struct emp_qelem *,
520 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
521 extern int could_be_on_ship(struct plnstr *, struct shpstr *);
522 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
523 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
525 extern void pln_mine(struct emp_qelem *, coord, coord);
526 extern int pln_capable(struct plnstr *, int, int);
527 extern int pln_caps(struct emp_qelem *);
528 extern int pln_airbase_ok(struct plnstr *, int, int);
529 extern int carrier_planes(struct shpstr *, int);
530 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
531 struct sctstr *, int, int, int, int);
532 extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *);
533 extern int pln_equip(struct plist *, struct ichrstr *, char);
534 extern int pln_mobcost(int, struct plnstr *, char);
535 extern void pln_put(struct emp_qelem *);
536 extern void pln_put1(struct plist *);
537 extern void plane_sweep(struct emp_qelem *, coord, coord);
538 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
539 extern int pln_hitchance(struct plnstr *, int, int);
540 extern int pln_damage(struct plnstr *, char, int);
541 extern int pln_identchance(struct plnstr *, int, int);
542 extern int pln_is_in_orbit(struct plnstr *);
543 extern void pln_set_tech(struct plnstr *, int);
545 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
546 extern void uprnf(char *buf);
547 extern void pr_id(struct player *, int, char *, ...)
548 ATTRIBUTE((format (printf, 3, 4)));
549 extern void pr_flash(struct player *, char *, ...)
550 ATTRIBUTE((format (printf, 2, 3)));
551 extern void pr_inform(struct player *, char *, ...)
552 ATTRIBUTE((format (printf, 2, 3)));
553 extern void pr_wall(char *, ...)
554 ATTRIBUTE((format (printf, 1, 2)));
555 extern void prredir(char *redir);
556 extern void prexec(char *file);
557 extern void prprompt(int min, int btu);
558 extern int prmptrd(char *prompt, char *str, int size);
559 extern int uprmptrd(char *prompt, char *str, int size);
560 extern void prdate(void);
561 extern void prxy(char *, coord, coord);
562 extern void pr_beep(void);
563 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
564 extern size_t copy_ascii_no_funny(char *, char *);
565 extern size_t copy_utf8_no_funny(char *, char *);
566 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
567 extern int ufindpfx(char *, int);
569 extern int deltx(struct range *, coord);
570 extern int delty(struct range *, coord);
571 extern void radmap(int, int, int, double, int, double);
572 extern void rad_map_set(natid, int, int, int, double, int);
574 extern void setrel(natid, natid, int);
575 extern void setcont(natid, natid, int);
576 extern void setrej(natid, natid, int, int);
580 extern enum ns_seltype sarg_type(char *);
581 extern int sarg_xy(char *, coord *, coord *);
582 extern int sarg_area(char *, struct range *);
583 extern int sarg_range(char *, coord *, coord *, int *);
584 extern int sarg_list(char *, int *, int);
586 extern void satdisp_sect(struct sctstr *, int);
587 extern void satdisp_units(coord, coord);
588 extern int satmap(int, int, int, int, int, int);
589 extern void sathead(void);
591 extern void sct_postread(int, void *);
592 extern void sct_prewrite(int, void *, void *);
593 extern void item_prewrite(short *);
594 extern int issector(char *);
596 extern int sect_damage(struct sctstr *, int);
597 extern int sectdamage(struct sctstr *, int);
599 extern char *prship(struct shpstr *);
600 extern void shp_postread(int, void *);
601 extern void shp_prewrite(int, void *, void *);
603 extern void show_bridge(int);
604 extern void show_tower(int);
605 extern void show_nuke_stats(int);
606 extern void show_nuke_capab(int);
607 extern void show_nuke_build(int);
608 extern void show_ship_build(int);
609 extern void show_ship_stats(int);
610 extern void show_ship_capab(int);
611 extern void show_plane_stats(int);
612 extern void show_plane_capab(int);
613 extern void show_plane_build(int);
614 extern void show_land_build(int);
615 extern void show_land_capab(int);
616 extern void show_land_stats(int);
617 extern void show_sect_build(int);
618 extern void show_sect_stats(int);
619 extern void show_sect_capab(int);
620 extern void show_item(int);
621 extern void show_news(int);
622 extern void show_product(int);
623 extern void show_updates(int);
630 extern int sct_supply(struct sctstr *, i_type, int);
631 extern int shp_supply(struct shpstr *, i_type, int);
632 extern int lnd_supply(struct lndstr *, i_type, int);
633 extern int lnd_supply_all(struct lndstr *);
634 extern int lnd_in_supply(struct lndstr *);
635 extern int lnd_could_be_supplied(struct lndstr *);
637 extern void takeover_land(struct lndstr *, natid);
638 extern void takeover(struct sctstr *, natid);
639 extern void takeover_ship(struct shpstr *, natid);
640 extern void takeover_plane(struct plnstr *, natid);
644 extern int trechk(natid, natid, int);
648 extern void clear_telegram_is_new(natid);
649 extern int typed_wu(natid, natid, char *, int);
650 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
653 * src/lib/update/ *.c
656 extern int age_people(int, int);
657 extern void age_levels(int);
659 extern void delete_old_announcements(void);
663 extern void dodeliver(struct sctstr *);
665 extern int dodistribute(struct sctstr *, int, double);
667 extern void finish_sects(int);
669 extern int new_work(struct sctstr *, int);
670 extern int do_feed(struct sctstr *, struct natstr *, short *, int *, int);
671 extern int feed_people(short *, int);
672 extern double food_needed(short *, int);
673 extern int famine_victims(short *, int);
675 extern int prod_land(int, int, struct bp *, int);
681 extern void mob_sect(void);
682 extern void mob_ship(void);
683 extern void mob_land(void);
684 extern void mob_plane(void);
685 extern void sct_do_upd_mob(struct sctstr *sp);
686 extern void shp_do_upd_mob(struct shpstr *sp);
687 extern void lnd_do_upd_mob(struct lndstr *lp);
688 extern void pln_do_upd_mob(struct plnstr *pp);
690 extern void move_sat(struct plnstr *);
692 extern void prod_nat(int);
696 extern void do_plague(struct sctstr *, struct natstr *, int);
697 extern int plague_people(struct natstr *, short *, int *, int *, int);
699 extern int prod_plane(int, int, struct bp *, int);
701 extern void populace(struct natstr *, struct sctstr *, int);
702 extern int total_work(int, int, int, int, int, int);
704 extern void tax(struct sctstr *, struct natstr *, int, int *, int *,
706 extern int upd_slmilcosts(natid, int);
707 extern void prepare_sects(int, struct bp *);
708 extern int bank_income(struct sctstr *, int);
710 extern int produce(struct natstr *, struct sctstr *, short *, int, int,
712 extern int prod_materials_cost(struct pchrstr *, short[], int *);
713 extern int prod_resource_limit(struct pchrstr *, unsigned char *);
714 extern double prod_eff(int, float);
716 extern int update_removewants(void);
718 extern void revolt(struct sctstr *);
719 extern void guerrilla(struct sctstr *);
721 extern void sail_ship(natid);
723 extern void do_fallout(struct sctstr *, int);
724 extern void spread_fallout(struct sctstr *, int);
725 extern void decay_fallout(struct sctstr *, int);
726 extern void produce_sect(int, int, struct bp *, int[][2]);
728 extern int prod_ship(int, int, struct bp *, int);