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/**
** sipp - SImple Polygon Processor
**
** A general 3d graphic package
**
** Copyright Equivalent Software HB 1992
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 1, or any later version.
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
** You can receive a copy of the GNU General Public License from the
** Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
/**
** lightsource.h - Interface to lightsource.c
**/
#ifndef LIGHTSOURCE_H
#define LIGHTSOURCE_H
#include <sipp.h>
/*
* Information needed in a directional lightsource.
*/
typedef struct {
Vector dir;
} Dir_light_info;
/*
* Information needed in a spotlight.
*/
typedef struct {
Vector pos;
Vector point;
Vector dir;
double cos_fov;
} Spot_light_info;
extern Lightsource *lightsrc_stack; /* Lightsource list. */
#define lightsource_init() lightsrc_stack = NULL
extern void
depthmaps_create _ANSI_ARGS_((void));
extern void
depthmaps_destruct _ANSI_ARGS_((void));
#endif /* LIGHTSOURCE_H */
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