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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef TITANIC_EVENTS_H
#define TITANIC_EVENTS_H
#include "common/scummsys.h"
#include "common/events.h"
namespace Titanic {
#define GAME_FRAME_RATE 30
#define GAME_FRAME_TIME (1000 / GAME_FRAME_RATE)
#define DOUBLE_CLICK_TIME 100
enum SpecialButtons {
MK_LBUTTON = 1, MK_RBUTTON = 2, MK_SHIFT = 4, MK_CONTROL = 8,
MK_MBUTTON = 0x10
};
class TitanicEngine;
class Events {
private:
TitanicEngine *_vm;
uint32 _frameCounter;
uint32 _priorFrameTime;
uint32 _priorLeftDownTime;
uint32 _priorMiddleDownTime;
uint32 _priorRightDownTime;
Common::Point _mousePos;
uint _specialButtons;
/**
* Check whether it's time to display the next screen frame
*/
bool checkForNextFrameCounter();
/**
* Called to handle any regular updates the game requires
*/
void onIdle();
void mouseMove();
void leftButtonDown();
void leftButtonUp();
void leftButtonDoubleClick();
void middleButtonDown();
void middleButtonUp();
void middleButtonDoubleClick();
void rightButtonDown();
void rightButtonUp();
void rightButtonDoubleClick();
void charPress(char c);
void keyDown(Common::KeyState keyState);
void keyUp(Common::KeyState keyState);
void handleKbdSpecial(Common::KeyState keyState);
public:
Events(TitanicEngine *vm);
~Events() {}
/**
* Check for any pending events
*/
void pollEvents();
/**
* Poll for events and introduce a small delay, to allow the system to
* yield to other running programs
*/
void pollEventsAndWait();
/**
* Return the current game frame number
*/
uint32 getFrameCounter() const { return _frameCounter; }
/**
* Get the elapsed playtime
*/
uint32 getTicksCount() const;
/**
* Return whether a given special key is currently pressed
*/
bool isSpecialPressed(SpecialButtons btn) const { return _specialButtons; }
uint getSpecialButtons() const { return _specialButtons; }
/**
* Sleep for a specified period of time
*/
void sleep(uint time);
/**
* Wait for a mouse or keypress
*/
bool waitForPress(uint expiry);
};
} // End of namespace Titanic
#endif /* TITANIC_EVENTS_H */
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