opsu-dance/src/itdelatrisu/opsu/Container.java

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/*
* opsu! - an open-source osu! client
* Copyright (C) 2014, 2015 Jeffrey Han
*
* opsu! 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.
*
* opsu! 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 opsu!. If not, see <http://www.gnu.org/licenses/>.
*/
package itdelatrisu.opsu;
import itdelatrisu.opsu.audio.MusicController;
import itdelatrisu.opsu.beatmap.Beatmap;
import itdelatrisu.opsu.beatmap.BeatmapSetList;
import itdelatrisu.opsu.beatmap.BeatmapWatchService;
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import itdelatrisu.opsu.downloads.DownloadList;
import itdelatrisu.opsu.downloads.Updater;
import itdelatrisu.opsu.render.CurveRenderState;
import itdelatrisu.opsu.ui.UI;
import org.lwjgl.opengl.Display;
import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.Game;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.opengl.InternalTextureLoader;
/**
* AppGameContainer extension that sends critical errors to ErrorHandler.
*/
public class Container extends AppGameContainer {
/** SlickException causing game failure. */
protected SlickException e = null;
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public static Container instance;
/**
* Create a new container wrapping a game
*
* @param game The game to be wrapped
* @throws SlickException Indicates a failure to initialise the display
*/
public Container(Game game) throws SlickException {
super(game);
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instance = this;
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width = this.getWidth();
height = this.getHeight();
}
@Override
public void start() throws SlickException {
try {
setup();
getDelta();
while (running())
gameLoop();
} finally {
// destroy the game container
close_sub();
destroy();
// report any critical errors
if (e != null) {
ErrorHandler.error(null, e, true);
e = null;
}
}
if (forceExit) {
Opsu.close();
System.exit(0);
}
}
@Override
protected void gameLoop() throws SlickException {
int delta = getDelta();
if (!Display.isVisible() && updateOnlyOnVisible) {
try { Thread.sleep(100); } catch (Exception e) {}
} else {
try {
updateAndRender(delta);
} catch (SlickException e) {
this.e = e; // store exception to display later
running = false;
return;
}
}
updateFPS();
Display.update();
if (Display.isCloseRequested()) {
if (game.closeRequested())
running = false;
}
}
/**
* Actions to perform before destroying the game container.
*/
private void close_sub() {
// save user options
Options.saveOptions();
// reset cursor
UI.getCursor().reset();
// destroy images
InternalTextureLoader.get().clear();
// reset image references
GameImage.clearReferences();
GameData.Grade.clearReferences();
Beatmap.clearBackgroundImageCache();
// prevent loading tracks from re-initializing OpenAL
MusicController.reset();
// reset BeatmapSetList data
if (BeatmapSetList.get() != null)
BeatmapSetList.get().reset();
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// delete OpenGL objects involved in the Curve rendering
CurveRenderState.shutdown();
// destroy watch service
if (!Options.isWatchServiceEnabled())
BeatmapWatchService.destroy();
BeatmapWatchService.removeListeners();
}
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@Override
public void exit() {
// show confirmation dialog if any downloads are active
if (forceExit) {
if (DownloadList.get().hasActiveDownloads() &&
UI.showExitConfirmation(DownloadList.EXIT_CONFIRMATION))
return;
if (Updater.get().getStatus() == Updater.Status.UPDATE_DOWNLOADING &&
UI.showExitConfirmation(Updater.EXIT_CONFIRMATION))
return;
}
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super.exit();
}
}