2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program 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 2 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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * prototypes.h: Prototypes for server functions
30 * Known contributors to this file:
32 * Steve McClure, 1998,2000
40 #include "empthread.h"
45 #include "commodity.h"
47 /* src/server/main.c */
48 extern void panic(int sig);
49 extern void shutdwn(int sig);
50 extern void init_server(void);
51 extern void start_server(int);
52 extern void finish_server(void);
54 /*****************************************************************************
56 *****************************************************************************/
58 /* src/lib/empthread/lwp.c */
62 * src/lib/commands/ *.c
64 extern int check_market(void);
65 extern int sendmessage(struct natstr *, struct natstr *, char *message, int);
66 extern void gift(int, int, s_char *, int, s_char *);
67 extern int display_mark(i_type, int);
68 extern int want_to_abandon(struct sctstr *, i_type, int, struct lndstr *);
69 extern int would_abandon(struct sctstr *, i_type, int, struct lndstr *);
70 extern int nav_map(int, int, int);
71 extern int count_pop(int);
72 extern int scuttle_tradeship(struct shpstr *, int);
73 extern void scuttle_ship(struct shpstr *);
74 extern void resnoise(struct sctstr *sptr, int public_amt, s_char *name,
76 extern int line_of_sight(char **rad, int ax, int ay, int bx, int by);
77 extern void plane_sona(struct emp_qelem *, int, int, struct shiplist **);
78 extern s_char *prsub(struct shpstr *);
79 extern int check_trade(void);
80 extern int ontradingblock(int, int *);
81 extern void trdswitchown(int, int *, int);
258 * src/lib/common/ *.c
261 extern s_char *bestownedpath(s_char *, s_char *, int, int, int,
264 extern void bridgefall(struct sctstr *, struct emp_qelem *);
265 extern void knockdown(struct sctstr *, struct emp_qelem *);
267 extern void landdamage(struct lndstr *, int);
268 extern void ship_damage(struct shpstr *, int);
269 extern int damage(int, int);
270 extern void shipdamage(struct shpstr *, int);
271 extern void land_damage(struct lndstr *, int);
272 extern void planedamage(struct plnstr *, int);
273 extern int nukedamage(struct nchrstr *, int, int);
274 extern int effdamage(int, int);
275 extern void item_damage(int, short *);
276 extern int commdamage(int, int, i_type);
278 extern int check_sect_ok(struct sctstr *);
279 extern int check_ship_ok(struct shpstr *);
280 extern int check_land_ok(struct lndstr *);
281 extern int check_nuke_ok(struct nukstr *);
282 extern int check_plane_ok(struct plnstr *);
283 extern int check_comm_ok(struct comstr *);
284 extern int check_loan_ok(struct lonstr *);
285 extern int check_trade_ok(struct trdstr *);
291 extern int fsize(int);
292 extern int blksize(int);
293 extern time_t fdate(int);
295 extern double hap_fact(struct natstr *, struct natstr *);
297 extern int is_wday_allowed(int, char *);
298 extern int is_daytime_allowed(int, char *);
299 extern int gamehours(time_t);
300 extern int is_daytime_near(int, char *, int);
301 extern int min_to_next_daytime(int, char *);
303 extern int has_units(coord, coord, natid, struct lndstr *);
304 extern int has_units_with_mob(coord, coord, natid);
305 extern int adj_units(coord, coord, natid);
306 extern int has_helpful_engineer(coord x, coord y, natid cn);
308 extern void loginit(char *);
309 extern void logerror(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
312 extern int draw_map(int, s_char, int, struct nstr_sect *);
313 extern int unit_map(int, int, struct nstr_sect *, s_char *);
314 extern int bmaps_intersect(natid, natid);
315 extern int share_bmap(natid, natid, struct nstr_sect *, s_char, s_char *);
321 extern void bp_enable_cachepath(void);
322 extern void bp_disable_cachepath(void);
323 extern void bp_clear_cachepath(void);
324 extern s_char *BestDistPath(s_char *, struct sctstr *, struct sctstr *,
326 extern s_char *BestLandPath(s_char *, struct sctstr *, struct sctstr *,
328 extern s_char *BestShipPath(s_char *, int, int, int, int, int);
329 extern s_char *BestAirPath(s_char *, int, int, int, int);
330 extern double pathcost(struct sctstr *, s_char *, int);
332 extern int max_population(float, int, int);
333 extern int max_pop(float, struct sctstr *);
335 extern int sect_damage(struct sctstr *, int, struct emp_qelem *);
336 extern int sectdamage(struct sctstr *, int, struct emp_qelem *);
338 extern void snxtitem_area(struct nstr_item *, int,
340 extern void snxtitem_dist(struct nstr_item *, int, int, int, int);
341 extern void snxtitem_xy(struct nstr_item *, int, coord, coord);
342 extern void snxtitem_all(struct nstr_item *, int);
343 extern void snxtitem_group(struct nstr_item *, int, s_char);
344 extern void snxtitem_rewind(struct nstr_item *);
345 extern int snxtitem_list(struct nstr_item *, int, int *, int);
346 /* snxtsect_subs.c */
347 extern void snxtsct_area(struct nstr_sect *, struct range *);
348 extern void xydist_range(coord, coord, int, struct range *);
349 extern void xysize_range(struct range *);
350 extern void snxtsct_all(struct nstr_sect *);
351 extern void snxtsct_rewind(struct nstr_sect *);
352 extern void snxtsct_dist(struct nstr_sect *, coord, coord, int);
356 extern int sct_typematch(char *);
357 extern int typematch(char *, int);
359 extern void update_policy_check(void);
360 extern int demand_update_want(int *, int *, int);
361 extern int demandupdatecheck(void);
362 extern int updatetime(time_t *);
363 extern void next_update_time(time_t *, time_t *, time_t *);
364 extern void next_update_check_time(time_t *, time_t *, time_t *);
365 extern int updates_disabled(void);
367 extern int xundump(FILE *, char *, int);
373 extern int emp_config(char *file);
374 extern void print_config(FILE * fp);
376 extern int roll(int);
377 extern int roundavg(double);
378 extern int chance(double);
379 extern int disassoc(void);
380 extern int diffx(int, int);
381 extern int diffy(int, int);
382 extern int deltax(int, int);
383 extern int deltay(int, int);
384 extern int mapdist(int, int, int, int);
385 extern s_char *effadv(int);
386 extern int onearg(s_char *, s_char *);
387 extern int parse(char *, char **, char **, char *, char **);
388 extern int ldround(double, int);
389 extern int roundintby(int, int);
390 extern int scthash(register int, register int, int);
391 extern int tcp_listen(char *, char *, size_t *);
393 extern s_char *numstr(s_char buf[], int n);
394 extern s_char *esplur(int n);
395 extern s_char *splur(int n);
396 extern s_char *iesplur(int n);
397 extern char *plurize(char *buf, int max_len, int n);
401 * src/lib/global/ *.c
403 extern void global_init(void);
407 * src/lib/player/ *.c
410 extern void player_init(void);
411 extern struct player *player_new(int);
412 extern struct player *player_delete(struct player *);
413 extern struct player *player_next(struct player *);
414 extern struct player *player_prev(struct player *);
415 extern struct player *getplayer(natid);
416 extern void player_wakeup_all(natid);
417 extern void player_wakeup(struct player *);
418 extern void player_accept(void *);
420 extern int dispatch(char *, char *);
422 extern int getcommand(char *);
423 extern void init_player_commands(void);
424 extern void log_last_commands(void);
425 extern int gamedown(void);
426 extern void daychange(time_t);
427 extern int getminleft(time_t, int);
428 /* more under Commands */
431 extern int init_nats(void);
433 extern void player_login(void *);
435 extern int natbyname(s_char *, natid *);
436 extern int natpass(int, s_char *);
438 extern struct player *player; /* current player's context */
439 extern char *praddr(struct player *);
440 extern void player_main(struct player *);
441 extern int match_user(char *, struct player *);
442 extern int command(void);
443 /* more under Commands */
445 extern int recvclient(char *, int);
448 extern void stop_service(void);
449 /* more in service.h */
455 extern int confirm(s_char *);
456 extern int askyn(s_char *);
458 extern void bsanct(void);
460 extern void caploss(struct sctstr *, natid, s_char *);
462 extern int chkmoney(long, long, s_char *);
463 extern int check_cost(int, int, long, int *, s_char *);
465 extern int cnumb(char *);
467 extern void set_coastal(struct sctstr *sp, int des);
469 extern int military_control(struct sctstr *);
471 extern int detonate(struct plnstr *, int, int);
473 extern int disloan(int, register struct lonstr *);
475 extern int distrea(int, register struct trtstr *);
477 extern void ef_init_srv(void);
478 extern void ef_fin_srv(void);
480 extern int sd(natid, natid, coord, coord, int, int, int);
481 extern int dd(natid, natid, coord, coord, int, int);
482 extern int sb(natid, natid, struct sctstr *, coord, coord, int, int);
483 extern int shipdef(natid, natid, coord, coord);
485 extern int emp_getbit(int, int, u_char *);
486 extern void emp_setbit(int, int, u_char *);
487 extern void emp_setbitmap(int, int, u_char *, int *);
488 extern void bitinit2(struct nstr_sect *, u_char *, int);
490 extern int getele(char *, char *);
492 extern s_char *prland(struct lndstr *);
493 extern int lnd_postread(int, void *);
494 extern int lnd_prewrite(int, void *);
495 extern void lnd_init(int, void *);
497 extern double seagun(int, int);
498 extern double landgun(int, int);
499 extern double landunitgun(int, int, int, int, int);
500 extern int roundrange(double);
502 extern int shipsatxy(coord, coord, int, int);
503 extern int carriersatxy(coord, coord, int, int, natid);
504 extern int unitsatxy(coord, coord, int, int);
505 extern int planesatxy(coord, coord, int, int, struct emp_qelem *);
506 extern int asw_shipsatxy(coord, coord, int, int, struct plnstr *,
508 extern int num_shipsatxy(coord, coord, int, int);
509 extern int islist(s_char *);
510 /* src/lib/subs/mission.c */
511 extern s_char *mission_name(short);
512 extern s_char *nameofitem(struct genitem *, int);
513 extern int collateral_damage(coord, coord, int, struct emp_qelem *);
514 extern int mission_pln_equip(struct plist *, struct ichrstr *, int,
516 extern int ground_interdict(coord, coord, natid, s_char *);
517 extern int unit_interdict(coord, coord, natid, s_char *, int, int);
518 extern int off_support(coord, coord, natid, natid);
519 extern int def_support(coord, coord, natid, natid);
520 extern int oprange(struct genitem *, int, int *);
521 extern int cando(int, int);
522 extern void show_mission(int, struct nstr_item *);
523 extern int air_defense(coord, coord, natid, struct emp_qelem *,
526 extern int check_lmines(coord, coord, double);
527 extern int move_ground(s_char *, struct sctstr *, struct sctstr *,
529 int (*)(s_char *, coord, coord, s_char *),
531 extern int fly_map(coord, coord);
533 extern int msl_intercept(coord, coord, natid, int, int, int, int);
534 extern int msl_equip(struct plnstr *);
535 extern int msl_hit(struct plnstr *, int, int, int, int, s_char *,
537 extern void msl_sel(struct emp_qelem *, coord, coord, natid, int,
539 extern int msl_launch_mindam(struct emp_qelem *, coord, coord, int,
540 int, int, s_char *, int, int);
542 extern int comtch(register s_char *, struct cmndstr *, int);
544 extern struct natstr *natargp(char *, char *);
545 extern int natarg(char *, char *);
547 extern int neigh(coord, coord, natid);
549 extern void delete_old_news(void);
550 extern void init_nreport(void);
551 extern void nreport(natid, int, natid, int);
553 extern int nuk_postread(int, void *);
554 extern int nuk_prewrite(int, void *);
555 extern void nuk_init(int, void *);
556 extern void nuk_add(coord, coord, int, int);
557 extern void nuk_delete(struct nukstr *, int, int);
559 extern int nxtitem(struct nstr_item *, void *);
561 extern int nxtsct(struct nstr_sect *, struct sctstr *);
563 extern s_char *prplane(struct plnstr *);
564 extern int pln_postread(int, void *);
565 extern int pln_prewrite(int, void *);
566 extern void pln_init(int, void *);
568 extern void count_planes(struct shpstr *);
569 extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
570 extern int pln_onewaymission(struct sctstr *, int *, int *);
571 extern int pln_oneway_to_carrier_ok(struct emp_qelem *,
572 struct emp_qelem *, int);
573 extern void pln_newlanding(struct emp_qelem *, coord, coord, int);
574 extern int can_be_on_ship(int, int);
575 extern int put_plane_on_ship(struct plnstr *, struct shpstr *);
576 extern void pln_dropoff(struct emp_qelem *, struct ichrstr *,
577 coord, coord, void *, int);
578 extern void pln_mine(struct emp_qelem *list, struct sctstr *sectp);
579 extern void pln_sel(struct nstr_item *, struct emp_qelem *,
580 struct sctstr *, int, int, int, int);
581 extern int pln_arm(struct emp_qelem *, int, int, struct ichrstr *,
583 extern int pln_mobcost(int, struct plnstr *, int);
584 extern void pln_put(struct emp_qelem *);
585 extern void pln_removedupes(struct emp_qelem *, struct emp_qelem *);
586 extern int take_plane_off_ship(struct plnstr *, struct shpstr *);
587 extern int take_plane_off_land(struct plnstr *, struct lndstr *);
588 extern void plane_sweep(struct emp_qelem *, coord, coord);
589 extern void count_land_planes(struct lndstr *);
590 extern int count_sect_planes(struct sctstr *);
591 extern int put_plane_on_land(struct plnstr *, struct lndstr *);
592 extern int pln_hitchance(struct plnstr *, int, int);
593 extern int pln_damage(struct plnstr *, coord, coord, s_char, int *, int);
594 extern int pln_identchance(struct plnstr *, int, int);
595 extern void pln_set_tech(struct plnstr *, int);
597 extern void pr(char *, ...) ATTRIBUTE((format (printf, 1, 2)));
598 extern void uprnf(char *buf);
599 extern void pr_id(struct player *, int, char *, ...)
600 ATTRIBUTE((format (printf, 3, 4)));
601 extern void pr_flash(struct player *, char *, ...)
602 ATTRIBUTE((format (printf, 2, 3)));
603 extern void pr_inform(struct player *, char *, ...)
604 ATTRIBUTE((format (printf, 2, 3)));
605 extern void pr_wall(char *, ...)
606 ATTRIBUTE((format (printf, 1, 2)));
607 extern void prredir(char *redir);
608 extern void prexec(char *file);
609 extern void prprompt(int min, int btu);
610 extern int prmptrd(char *prompt, char *str, int size);
611 extern int uprmptrd(char *prompt, char *str, int size);
612 extern void prdate(void);
613 extern void prxy(char *format, coord x, coord y, natid country);
614 extern void PR(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
615 extern void PRdate(natid cn);
616 extern void pr_beep(void);
617 extern void mpr(int, char *, ...) ATTRIBUTE((format (printf, 2, 3)));
618 extern size_t copy_ascii_no_funny(char *, char *);
619 extern size_t copy_utf8_no_funny(char *, char *);
620 extern size_t copy_utf8_to_ascii_no_funny(char *, char *);
621 extern int ufindpfx(char *, int);
624 extern int deltx(struct range *, coord);
625 /* Prototype include a typedef name.
626 It should be moved after the typedef declaration */
627 extern int delty(struct range *, coord);
628 /* Prototype include a typedef name.
629 It should be moved after the typedef declaration */
630 extern void radmap(int, int, int, int, double);
631 extern void radmapnopr(int, int, int, int, double);
632 extern void radmapupd(int, int, int, int, int, double);
634 extern int setrel(natid, natid, int);
635 extern int setcont(natid, natid, int);
636 extern int setrej(natid, natid, int, int);
638 extern void retreat_ship(struct shpstr *, s_char);
639 extern void retreat_land(struct lndstr *, s_char);
640 extern int check_retreat_and_do_shipdamage(struct shpstr *, int);
641 extern int check_retreat_and_do_landdamage(struct lndstr *, int);
643 extern ns_seltype sarg_type(char *);
644 extern int sarg_xy(char *, coord *, coord *);
645 extern int sarg_area(char *, register struct range *);
646 extern int sarg_range(char *, coord *, coord *, int *);
647 extern int sarg_list(char *, register int *, int);
649 extern void satdisp(struct sctstr *, int, int);
650 extern void satmap(int, int, int, int, int, int);
651 extern void sathead(void);
653 extern int sct_postread(int, void *);
654 extern int sct_prewrite(int, void *);
655 extern void item_prewrite(short *);
656 extern int issector(s_char *);
658 extern s_char *prship(struct shpstr *);
659 extern int shp_postread(int, void *);
660 extern int shp_prewrite(int, void *);
661 extern void shp_init(int, void *);
663 extern void show_bridge(int);
664 extern void show_tower(int);
665 extern void show_nuke_stats(int);
666 extern void show_nuke_capab(int);
667 extern void show_nuke_build(int);
668 extern void show_ship_build(int);
669 extern void show_ship_stats(int);
670 extern void show_ship_capab(int);
671 extern void show_plane_stats(int);
672 extern void show_plane_capab(int);
673 extern void show_plane_build(int);
674 extern void show_land_build(int);
675 extern void show_land_capab(int);
676 extern void show_land_stats(int);
677 extern void show_sect_build(int);
678 extern void show_sect_stats(int);
679 extern void show_sect_capab(int);
681 extern void shp_sel(struct nstr_item *, struct emp_qelem *);
682 extern void shp_nav(struct emp_qelem *, double *, double *, int *, natid);
683 extern int shp_sweep(struct emp_qelem *, int, natid);
684 extern s_char *shp_path(int, struct shpstr *, s_char *);
685 extern void shp_put(struct emp_qelem *, natid);
686 extern void shp_list(struct emp_qelem *);
687 extern int shp_check_nav(struct sctstr *);
688 extern int sect_has_dock(struct sctstr *);
689 extern int shp_hardtarget(struct shpstr *);
690 extern void shp_view(struct emp_qelem *);
691 extern int shp_nav_one_sector(struct emp_qelem *, int, natid, int);
692 extern int shp_missile_defense(coord, coord, natid, int);
693 extern void shp_missdef(struct shpstr *, natid);
694 extern void shp_set_tech(struct shpstr *, int);
696 extern int snxtitem(struct nstr_item *, int, s_char *);
698 extern int snxtsct(register struct nstr_sect *, s_char *);
700 extern void resupply_all(struct lndstr *);
701 extern void resupply_commod(struct lndstr *, i_type);
702 extern int supply_commod(int, int, int, i_type, int);
703 extern int try_supply_commod(int, int, int, i_type, int);
704 extern int has_supply(struct lndstr *);
705 extern int use_supply(struct lndstr *);
707 extern void takeover_land(struct lndstr *, natid, int);
708 extern void takeover(struct sctstr *, natid);
709 extern void takeover_ship(struct shpstr *, natid, int);
710 extern void takeover_plane(struct plnstr *, natid);
713 extern int trechk(register natid, register natid, int);
717 extern void clear_telegram_is_new(natid);
718 extern int typed_wu(natid, natid, char *, int);
719 extern int wu(natid, natid, char *, ...) ATTRIBUTE((format (printf, 3, 4)));
722 * src/lib/update/ *.c
725 extern void age_levels(int);
727 extern void delete_old_announcements(void);
731 extern void dodeliver(struct sctstr *);
733 extern int dodistribute(struct sctstr *, int, s_char *, double, double);
735 extern void finish_sects(int);
737 extern int new_work(struct sctstr *, int);
738 extern int do_feed(register struct sctstr *, register struct natstr *,
739 short *, int *, int *, int);
740 extern int feed_people(short *, int, int *);
742 extern int prod_land(int, int, int *, int);
743 extern int feed_land(struct lndstr *, int, int *, int);
749 extern void mob_sect(int);
750 extern void mob_ship(int);
751 extern void mob_land(int);
752 extern void mob_plane(int);
753 extern void update_all_mob(void);
754 extern void update_timestamps(time_t offset);
755 extern void sct_do_upd_mob(struct sctstr *sp);
756 extern void shp_do_upd_mob(struct shpstr *sp);
757 extern void lnd_do_upd_mob(struct lndstr *lp);
758 extern void pln_do_upd_mob(struct plnstr *pp);
760 extern void move_sat(struct plnstr *);
762 extern double logx(double, double);
763 extern void prod_nat(int);
765 extern int nav_ship(register struct shpstr *);
767 extern int load_it(struct shpstr *, struct sctstr *,
769 extern void unload_it(struct shpstr *);
770 extern void auto_fuel_ship(struct shpstr *);
772 extern void *nxtitemp(struct nstr_item *);
774 extern void do_plague(struct sctstr *, struct natstr *, int);
775 extern int plague_people(struct natstr *, short *, int *, int *, int);
777 extern int prod_plane(int, int, int *, int);
779 extern void populace(struct natstr *, register struct sctstr *, int);
780 extern int total_work(int, int, int, int, int, int);
782 extern void tax(struct sctstr *, struct natstr *, int, long *, int *,
784 extern int upd_slmilcosts(natid, int);
785 extern void prepare_sects(int, int *);
786 extern int bank_income(struct sctstr *, int);
788 extern int produce(struct natstr *, struct sctstr *, short *, int, int,
790 extern double prod_eff(struct pchrstr *, float);
792 extern int update_removewants(void);
794 extern void revolt(struct sctstr *);
795 extern void guerrilla(struct sctstr *);
797 extern void sail_ship(natid);
799 extern void do_fallout(register struct sctstr *, register int);
800 extern void spread_fallout(struct sctstr *, int);
801 extern void decay_fallout(struct sctstr *, int);
802 extern void produce_sect(int natnum, int etu, int *bp,
803 long int (*p_sect)[2], int sector_type);
805 extern int prod_ship(int, int, int *, int);
806 extern int feed_ship(struct shpstr *, int, int *, int);