/*
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 LIGHTHOUSE_H
#define LIGHTHOUSE_H

#include <stdbool.h>

#ifdef __cplusplus
extern "C" {
#endif


    struct faction;
    struct region;
    struct building;
    struct building_type;
    struct unit;
    struct attrib;

    extern struct attrib_type at_lighthouse;
    /* leuchtturm */
    bool is_lighthouse(const struct building_type *btype);
    bool lighthouse_guarded(const struct region *r);
    void update_lighthouse(struct building *b);
    void remove_lighthouse(const struct building *lh);
    int lighthouse_range(const struct building *b);
    int lighthouse_view_distance(const struct building *b, const struct unit *u);


#ifdef __cplusplus
}
#endif
#endif