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Diffstat (limited to 'engines/xeen/events.cpp')
-rw-r--r-- | engines/xeen/events.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/engines/xeen/events.cpp b/engines/xeen/events.cpp new file mode 100644 index 0000000000..e75744eb01 --- /dev/null +++ b/engines/xeen/events.cpp @@ -0,0 +1,113 @@ +/* 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 |