/*
	ZView.h

	Depth viewer class definition

	Copyright (C) 2001 Jeff Teunissen <deek@d2dc.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:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA

	$Id$
*/
#ifdef HAVE_CONFIG_H
# include "Config.h"
#endif

#import <AppKit/NSView.h>

#include <QF/mathlib.h>

@interface ZView:  NSView
{
	float		minheight, maxheight;
	float		oldminheight, oldmaxheight;
	float		topbound, bottombound;		// for floor clipping
	
	float		scale;
	
	vec3_t		origin;
}

- (float) currentScale;

- clearBounds;
- getBounds: (float *)top :(float *)bottom;

- getPoint: (NSPoint) point;
- setPoint: (NSPoint) point;

- addToHeightRange: (float)height;

- newRealBounds;
- newSuperBounds;

- XYDrawSelf;

- (BOOL)XYmouseDown: (NSPoint *)pt;

- setXYOrigin: (NSPoint) point;

- setOrigin: (NSPoint) pt scale: (float) sc;

@end

extern ZView	*zView;

// zplane controls the objects displayed in the xyview
extern float	zplane;
extern float	zplanedir;