/*
+-----------------------------------------------------------+
* @desc FIXME
+-----------------------------------------------------------+
*/
err
RLFL_fov_permissive(unsigned int m, unsigned int ox, unsigned int oy, unsigned int radius, bool light_walls)
{
if(!RLFL_map_valid(m))
return RLFL_ERR_NO_MAP;
if(!RLFL_cell_valid(m, ox, oy))
return RLFL_ERR_OUT_OF_BOUNDS;
if(radius >= RLFL_MAX_RADIUS)
return RLFL_ERR_GENERIC;
RLFL_map_t *map = RLFL_map_store[m];
int minx, maxx, miny, maxy;
/* The origin is always seen */
RLFL_set_flag(m, ox, oy, CELL_FOV);
/* preallocate views and bumps */
views = (view_t *)calloc(sizeof(view_t), map->width*map->height);
bumps = (viewbump_t *)calloc(sizeof(viewbump_t), map->width*map->height);
/* set the fov range */
if (radius > 0)
{
minx = MIN(ox, radius);
maxx = MIN(map->width-ox - 1, radius);
miny = MIN(oy, radius);
maxy = MIN(map->height-oy - 1, radius);
}
else
{
minx = ox;
maxx = map->width - ox - 1;
miny = oy;
maxy = map->height - oy -1;
}
/* calculate fov. precise permissive field of view */
bumpidx = 0;
check_quadrant(map, ox, oy, 1, 1, maxx, maxy, light_walls);
bumpidx = 0;
check_quadrant(map, ox, oy, 1, -1, maxx, miny, light_walls);
bumpidx = 0;
check_quadrant(map, ox, oy, -1, -1, minx, miny, light_walls);
bumpidx = 0;
check_quadrant(map, ox, oy, -1, 1, minx, maxy, light_walls);
/* cleanup */
free(bumps);
free(views);
return RLFL_SUCCESS;
}
void TCOD_map_compute_fov_permissive2(TCOD_map_t map, int player_x, int player_y, int max_radius, bool light_walls, int fovType) {
int c,minx,maxx,miny,maxy;
map_t *m = (map_t *)map;
if ( (unsigned)fovType>8 ) TCOD_fatal("Bad permissiveness %d for FOV_PERMISSIVE. Accepted range is [0,8].\n",fovType);
offset=8-fovType;
limit=8+fovType;
// clean the map
for (c=m->nbcells-1; c >= 0; c--) {
m->cells[c].fov=0;
}
m->cells[player_x+player_y*m->width].fov=1;
// preallocate views and bumps
views=(view_t *)calloc(sizeof(view_t),m->width*m->height);
bumps=(viewbump_t *)calloc(sizeof(viewbump_t),m->width*m->height);
// set the fov range
if ( max_radius > 0 ) {
minx=MIN(player_x,max_radius);
maxx=MIN(m->width-player_x-1,max_radius);
miny=MIN(player_y,max_radius);
maxy=MIN(m->height-player_y-1,max_radius);
} else {
minx=player_x;
maxx=m->width-player_x-1;
miny=player_y;
maxy=m->height-player_y-1;
}
// calculate fov. precise permissive field of view
bumpidx=0;
check_quadrant(m,player_x,player_y,1,1,maxx,maxy, light_walls);
bumpidx=0;
check_quadrant(m,player_x,player_y,1,-1,maxx,miny, light_walls);
bumpidx=0;
check_quadrant(m,player_x,player_y,-1,-1,minx,miny, light_walls);
bumpidx=0;
check_quadrant(m,player_x,player_y,-1,1,minx,maxy, light_walls);
free(bumps);
free(views);
}
