server/generator/temperature_map.h

   1 /***********************************************************************
   2  Freeciv - Copyright (C) 2004 - Marcelo J. Burda
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2, or (at your option)
   6    any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12 ***********************************************************************/
  13 #ifndef FC__TEMPERATURE_MAP_H
  14 #define FC__TEMPERATURE_MAP_H
  15
  16 /* utility */
  17 #include "support.h"            /* bool type */
  18
  19 /*
  20  *  temperature_map[] stores the temperature of each tile
  21  *  values on tmap can get one of these 4 values
  22  *  there is 4 extra values as macros combining the 4 basics ones
  23  */
  24 typedef int temperature_type;
  25
  26 #define  TT_FROZEN    1
  27 #define  TT_COLD      2
  28 #define  TT_TEMPERATE 4
  29 #define  TT_TROPICAL  8
  30
  31 #define TT_NFROZEN (TT_COLD | TT_TEMPERATE | TT_TROPICAL)
  32 #define TT_ALL (TT_FROZEN | TT_NFROZEN)
  33 #define TT_NHOT (TT_FROZEN | TT_COLD)
  34 #define TT_HOT (TT_TEMPERATE | TT_TROPICAL)
  35
  36 bool temperature_is_initialized(void);
  37 bool tmap_is(const struct tile *ptile, temperature_type tt);
  38 bool is_temperature_type_near(const struct tile *ptile, temperature_type tt);
  39 void destroy_tmap(void);
  40 void create_tmap(bool real);
  41
  42 #endif  /* FC__TEMPERATURE_MAP_H */