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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.
*
*/
#include "common/scummsys.h"
#include "graphics/cursorman.h"
#include "common/events.h"
#include "common/endian.h"
#include "engines/util.h"
#include "xeen/xeen.h"
#include "xeen/events.h"
#include "xeen/screen.h"
namespace Xeen {
/**
* Constructor
*/
EventsManager::EventsManager(XeenEngine *vm) : _vm(vm) {
_frameCounter = 0;
_priorFrameCounterTime = 0;
_gameCounter = 0;
_priorGameCounterTime = 0;
}
/**
* Destructor
*/
EventsManager::~EventsManager() {
}
/**
* Show the mouse cursor
*/
void EventsManager::showCursor() {
CursorMan.showMouse(true);
}
/**
* Hide the mouse cursor
*/
void EventsManager::hideCursor() {
CursorMan.showMouse(false);
}
/**
* Returns if the mouse cursor is visible
*/
bool EventsManager::isCursorVisible() {
return CursorMan.isVisible();
}
void EventsManager::pollEvents() {
uint32 timer = g_system->getMillis();
if (timer >= (_priorFrameCounterTime + GAME_FRAME_TIME)) {
_priorFrameCounterTime = timer;
nextFrame();
}
Common::Event event;
while (g_system->getEventManager()->pollEvent(event)) {
switch (event.type) {
case Common::EVENT_QUIT:
case Common::EVENT_RTL:
return;
default:
break;
}
}
}
/**
* Updates the game counter to match the current frame counter
*/
void EventsManager::updateGameCounter() {
_gameCounter = _frameCounter;
}
/**
* Returns the number of frames elapsed since the last call to
* updateGameCounter()
*/
uint32 EventsManager::timeElapsed() {
return _frameCounter - _gameCounter;
}
/**
* Handles moving to the next game frame
*/
void EventsManager::nextFrame() {
++_frameCounter;
_vm->_screen->update();
}
} // End of namespace Xeen
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