RedAlert/CODE/SCROLL.H

/*
**	Command & Conquer Red Alert(tm)
**	Copyright 2025 Electronic Arts Inc.
**
**	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 3 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, see <http://www.gnu.org/licenses/>.
*/

/* $Header: /CounterStrike/SCROLL.H 1     3/03/97 10:25a Joe_bostic $ */
/***********************************************************************************************
 ***              C O N F I D E N T I A L  ---  W E S T W O O D  S T U D I O S               ***
 ***********************************************************************************************
 *                                                                                             *
 *                 Project Name : Command & Conquer                                            *
 *                                                                                             *
 *                    File Name : SCROLL.H                                                     *
 *                                                                                             *
 *                   Programmer : Joe L. Bostic                                                *
 *                                                                                             *
 *                   Start Date : 11/18/94                                                     *
 *                                                                                             *
 *                  Last Update : November 18, 1994 [JLB]                                      *
 *                                                                                             *
 *---------------------------------------------------------------------------------------------*
 * Functions:                                                                                  *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

#ifndef SCROLL_H
#define SCROLL_H

#include	"help.h"


class ScrollClass: public HelpClass
{
		/*
		**	If map scrolling is automatic, then this flag is true. Automatic scrolling will
		**	cause the map to scroll if the mouse is in the scroll region, regardless of
		**	whether or not the mouse button is held down.
		*/
		unsigned IsAutoScroll:1;

		/*
		**	Scroll speed is regulated by this count down timer. When this value reaches zero,
		**	scroll the map in the direction required and reset this timer.
		*/
		static CDTimerClass<SystemTimerClass> Counter;

		/*
		** Inertia control for scrolling
		*/
		int	Inertia;

	public:
		ScrollClass(void);
		ScrollClass(NoInitClass const & x) : HelpClass(x) {};

		bool Set_Autoscroll(int control);

		virtual void AI(KeyNumType &input, int x, int y);
		virtual void Init_IO(void) {Counter = 0;HelpClass::Init_IO();};
};

#endif