/*
 * libtcod 1.6.0
 * Copyright (c) 2008,2009,2010,2012,2013 Jice & Mingos
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * The name of Jice or Mingos may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY JICE AND MINGOS ``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 JICE OR MINGOS 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.
 */
 
 #ifndef _TCOD_FOV_TYPES_H
 #define _TCOD_FOV_TYPES_H
 
 /* FOV_BASIC : http://roguebasin.roguelikedevelopment.org/index.php?title=Ray_casting
    FOV_DIAMOND : http://www.geocities.com/temerra/los_rays.html
    FOV_SHADOW : http://roguebasin.roguelikedevelopment.org/index.php?title=FOV_using_recursive_shadowcasting
    FOV_PERMISSIVE : http://roguebasin.roguelikedevelopment.org/index.php?title=Precise_Permissive_Field_of_View
    FOV_RESTRICTIVE : Mingos' Restrictive Precise Angle Shadowcasting (contribution by Mingos) */
 
 typedef enum {
 	FOV_BASIC,
 	FOV_DIAMOND,
 	FOV_SHADOW,
 	FOV_PERMISSIVE_0,
 	FOV_PERMISSIVE_1,
 	FOV_PERMISSIVE_2,
 	FOV_PERMISSIVE_3,
 	FOV_PERMISSIVE_4,
 	FOV_PERMISSIVE_5,
 	FOV_PERMISSIVE_6,
 	FOV_PERMISSIVE_7,
 	FOV_PERMISSIVE_8,
 	FOV_RESTRICTIVE,
 	NB_FOV_ALGORITHMS } TCOD_fov_algorithm_t;
 #define FOV_PERMISSIVE(x) ((TCOD_fov_algorithm_t)(FOV_PERMISSIVE_0 + (x)))
 
 #endif /* _TCOD_FOV_TYPES_H */