.. _program_listing_file_libtcod_fov.h:

Program Listing for File fov.h
==============================

|exhale_lsh| :ref:`Return to documentation for file <file_libtcod_fov.h>` (``libtcod/fov.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /* BSD 3-Clause License
    *
    * Copyright © 2008-2025, Jice and the libtcod contributors.
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions are met:
    *
    * 1. Redistributions of source code must retain the above copyright notice,
    *    this list of conditions and the following disclaimer.
    *
    * 2. Redistributions in binary form must reproduce the above copyright notice,
    *    this list of conditions and the following disclaimer in the documentation
    *    and/or other materials provided with the distribution.
    *
    * 3. Neither the name of the copyright holder nor the names of its
    *    contributors may be used to endorse or promote products derived from
    *    this software without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    * POSSIBILITY OF SUCH DAMAGE.
    */
   #pragma once
   #ifndef TCOD_FOV_H_
   #define TCOD_FOV_H_
   
   #include <stdbool.h>
   #ifdef __cplusplus
   #include <memory>
   #endif  // __cplusplus
   #include "config.h"
   #include "error.h"
   #include "fov_types.h"
   
   #ifdef __cplusplus
   extern "C" {
   #endif
   TCOD_PUBLIC TCOD_Map* TCOD_map_new(int width, int height);
   TCOD_PUBLIC void TCOD_map_clear(TCOD_Map* map, bool transparent, bool walkable);
   TCOD_PUBLIC TCOD_Error TCOD_map_copy(const TCOD_Map* __restrict source, TCOD_Map* __restrict dest);
   TCOD_PUBLIC void TCOD_map_set_properties(TCOD_Map* map, int x, int y, bool is_transparent, bool is_walkable);
   TCOD_PUBLIC void TCOD_map_delete(TCOD_Map* map);
   TCOD_PUBLIC TCOD_Error TCOD_map_compute_fov(
       TCOD_Map* __restrict map, int pov_x, int pov_y, int max_radius, bool light_walls, TCOD_fov_algorithm_t algo);
   TCOD_PUBLIC bool TCOD_map_is_in_fov(const TCOD_Map* map, int x, int y);
   TCOD_PUBLIC void TCOD_map_set_in_fov(TCOD_Map* map, int x, int y, bool fov);
   TCOD_PUBLIC bool TCOD_map_is_transparent(const TCOD_Map* map, int x, int y);
   TCOD_PUBLIC bool TCOD_map_is_walkable(TCOD_Map* map, int x, int y);
   TCOD_PUBLIC int TCOD_map_get_width(const TCOD_Map* map);
   TCOD_PUBLIC int TCOD_map_get_height(const TCOD_Map* map);
   TCOD_PUBLIC int TCOD_map_get_nb_cells(const TCOD_Map* map);
   #ifdef __cplusplus
   }  // extern "C"
   namespace tcod {
   struct MapDeleter_ {
     void operator()(TCOD_Map* map) const { TCOD_map_delete(map); }
   };
   typedef std::unique_ptr<struct TCOD_Map, MapDeleter_> MapPtr_;
   }  // namespace tcod
   #endif  // __cplusplus
   #endif  // TCOD_FOV_H_