/*
Copyright (c) 1998-2015, Enno Rehling <enno@eressea.de>
Katja Zedel <katze@felidae.kn-bremen.de
Christian Schlittchen <corwin@amber.kn-bremen.de>

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
**/

#ifndef H_GC_LAWS
#define H_GC_LAWS

#include <kernel/types.h>
#include "guard.h"

#ifdef __cplusplus
extern "C" {
#endif

    struct unit;
    struct region;
    struct building;
    struct faction;
    struct order;
    struct attrib_type;

    extern struct attrib_type at_germs;

    extern int dropouts[2];
    extern int *age;

    void demographics(void);
    void immigration(void);
    void update_guards(void);
    void update_subscriptions(void);
    void deliverMail(struct faction *f, struct region *r, struct unit *u,
        const char *s, struct unit *receiver);

    bool renamed_building(const struct building * b);
    int rename_building(struct unit * u, struct order * ord, struct building * b, const char *name);
    void get_food(struct region * r);
    int can_contact(const struct region *r, const struct unit *u, const struct unit *u2);

    int enter_building(struct unit *u, struct order *ord, int id, bool report);
    int enter_ship(struct unit *u, struct order *ord, int id, bool report);

    /* eressea-specific. put somewhere else, please. */
    void processorders(void);

    void new_units(void);
    void defaultorders(void);
    void quit(void);
    void monthly_healing(void);
    void renumber_factions(void);
    void restack_units(void);
    void update_long_order(struct unit *u);
    void sinkships(struct region * r);
    void do_enter(struct region *r, bool is_final_attempt);

    int password_cmd(struct unit *u, struct order *ord);
    int banner_cmd(struct unit *u, struct order *ord);
    int email_cmd(struct unit *u, struct order *ord);
    int send_cmd(struct unit *u, struct order *ord);
    int ally_cmd(struct unit* u, struct order *ord);
    int prefix_cmd(struct unit *u, struct order *ord);
    int setstealth_cmd(struct unit *u, struct order *ord);
    int status_cmd(struct unit *u, struct order *ord);
    int display_cmd(struct unit *u, struct order *ord);
    int group_cmd(struct unit *u, struct order *ord);
    int origin_cmd(struct unit *u, struct order *ord);
    int quit_cmd(struct unit *u, struct order *ord);
    int name_cmd(struct unit *u, struct order *ord);
    int use_cmd(struct unit *u, struct order *ord);
    int siege_cmd(struct unit *u, struct order *ord);
    int leave_cmd(struct unit *u, struct order *ord);
    int pay_cmd(struct unit *u, struct order *ord);
    int promotion_cmd(struct unit *u, struct order *ord);
    int renumber_cmd(struct unit *u, struct order *ord);
    int combatspell_cmd(struct unit *u, struct order *ord);
    int contact_cmd(struct unit *u, struct order *ord);
    int guard_on_cmd(struct unit *u, struct order *ord);
    int guard_off_cmd(struct unit *u, struct order *ord);
    int reshow_cmd(struct unit *u, struct order *ord);
    int mail_cmd(struct unit *u, struct order *ord);
    int reserve_cmd(struct unit *u, struct order *ord);
    int reserve_self(struct unit *u, struct order *ord);
    int claim_cmd(struct unit *u, struct order *ord);

    void nmr_warnings(void);

    bool cansee(const struct faction *f, const struct region *r,
        const struct unit *u, int modifier);
    bool cansee_durchgezogen(const struct faction *f, const struct region *r,
        const struct unit *u, int modifier);
    bool cansee_unit(const struct unit *u, const struct unit *target,
        int modifier);
    bool seefaction(const struct faction *f, const struct region *r,
        const struct unit *u, int modifier);
    int armedmen(const struct unit *u, bool siege_weapons);
    int peasant_luck_effect(int peasants, int luck, int maxp, double variance);

    #define FORCE_LEAVE_POSTCOMBAT 1
    #define FORCE_LEAVE_ALL 2
    bool rule_force_leave(int flag);
    bool help_enter(struct unit *uo, struct unit *u);
    guard_t can_start_guarding(const struct unit * u);

#ifdef __cplusplus
}
#endif
#endif