/*
 *   GRacer
 *
 *   Copyright (C) 1999 Takashi Matsuda <matsu@users.sourceforge.net>
 *
 * 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 2 of the
 * License, or (at your option) 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 should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#ifndef __GRACER_GR_H__
#define __GRACER_GR_H__

#include <stdio.h>
#include <GL/gl.h>
#include <common/gr_scene.h>
#include "tcldefs.h"

#ifdef __cplusplus
extern "C" {
#endif
#if 0
}
#endif

typedef struct {
  char *name;
  GLenum val;
} glWordList;

typedef struct {
  char *name;
  void *val;
} glutWordList;

typedef struct TclGlutCallback {
  Tcl_Interp *interp;
  Tcl_Obj *obj;
  int value;
} TclGlutCallback;

int	Glbind_Init		(Tcl_Interp *interp);
int	Glbind_SafeInit		(Tcl_Interp *interp);

GLenum	GetGLEnum		(Tcl_Obj *CONST obj);
void*	GetGlutEnum		(Tcl_Obj *CONST obj);

void	tcl_PutCache		(char *key, ClientData data);
ClientData tcl_GetCache		(char *key);

void	tcl_DisplayFunc		(void);
void	tcl_ReshapeFunc		(int width, int height);
void	tcl_KeyboardFunc	(unsigned char key, int x, int y);
void	tcl_KeyboardUpFunc	(unsigned char key, int x, int y);
void	tcl_SpecialFunc		(int key, int x, int y);
void	tcl_SpecialUpFunc	(int key, int x, int y);
void	tcl_MouseFunc		(int button, int state, int x, int y);
void	tcl_MotionFunc		(int x, int y);
void	tcl_PassiveMotionFunc	(int x, int y);
void	tcl_EntryFunc		(int state);
void	tcl_VisibilityFunc	(int state);
void	tcl_TimerFunc		(int value);
void	tcl_IdleFunc		(void);
void	tcl_MenuStateFunc	(int state);
void	tcl_TabletMotionFunc	(int x, int y);
void	tcl_TabletButtonFunc	(int button, int state, int x, int y);
void	tcl_MenuStatusFunc	(int status, int x, int y);
void	tcl_WindowStatusFunc	(int state);

void	tcl_GrSceneLoadTexture	(Tcl_Interp *interp,
    				 char *baseurl,
				 GrScene *scene);
GrScene *tcl_GetGrScene		(Tcl_Interp *interp,
				 char *name,
				 char *baseurl);

FILE*	gr_open_file		(char *url, char *mode);
char*	gr_get_fullurl		(char *url, char *baseurl);

extern Tcl_Obj *obj_x;
extern Tcl_Obj *obj_y;
extern Tcl_Obj *obj_width;
extern Tcl_Obj *obj_height;
extern Tcl_Obj *obj_state;
extern Tcl_Obj *obj_status;
extern Tcl_Obj *obj_key;
extern Tcl_Obj *obj_button;
extern Tcl_Obj *obj_value;

#ifdef __cplusplus
}
#endif

#endif /* __GRACER_GR_H__ */