#ifndef WH_SEE_H_adf1ea60_
#define WH_SEE_H_adf1ea60_

/*
 * APIs exported by see.c.  These have to do with vision.
 */

#include "structs.h"

/*
 * See a cell.  The observer's location is seecell_loc.
 */
extern void seecell(LOC *);

/*
 * See level portions.  see(loc,r,f,fxn,p) sees within a radius of r
 *  from loc, setting f in the flags fields of seen cells, calling
 *  (*fxn)() on each seen cell.  If p is zero, walls are opaque; if
 *  not, sight passes through everything.
 */
extern void see(LOC *, int, int, void (*)(LOC *), int);

#endif