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/**********************************************************************
Freeciv - Copyright (C) 2004 - Marcelo J. Burda
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
***********************************************************************/
#ifndef FC__TEMPERATURE_MAP_H
#define FC__TEMPERATURE_MAP_H
#include "fcintl.h"
#include "shared.h" /* bool type */
/*
* temperature_map[] stores the temperature of each tile
* values on tmap can get one of these 4 values
* there is 4 extra values as macros combining the 4 basics ones
*/
typedef int temperature_type;
#define TT_FROZEN 1
#define TT_COLD 2
#define TT_TEMPERATE 4
#define TT_TROPICAL 8
#define TT_NFROZEN (TT_COLD | TT_TEMPERATE | TT_TROPICAL)
#define TT_ALL (TT_FROZEN | TT_NFROZEN)
#define TT_NHOT (TT_FROZEN | TT_COLD)
#define TT_HOT (TT_TEMPERATE | TT_TROPICAL)
bool temperature_is_initialized(void);
bool tmap_is(const struct tile *ptile, temperature_type tt);
bool is_temperature_type_near(const struct tile *ptile, temperature_type tt);
void destroy_tmap(void);
void create_tmap(bool real);
#endif /* FC__TEMPERATURE_MAP_H */
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