Java tutorial
/******************************************************************************* * Copyright 2014 Rafael Garcia Moreno. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package com.bladecoder.engine; import java.io.IOException; import java.nio.IntBuffer; import java.text.MessageFormat; import com.badlogic.gdx.ApplicationListener; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.utils.BufferUtils; import com.bladecoder.engine.assets.EngineAssetManager; import com.bladecoder.engine.model.World; import com.bladecoder.engine.ui.UI; import com.bladecoder.engine.util.Config; import com.bladecoder.engine.util.DPIUtils; import com.bladecoder.engine.util.EngineLogger; public class BladeEngine implements ApplicationListener { private String chapter; private String gameState; private String testScene; private String recordName; private String forceRes; private boolean debug = false; private boolean restart = false; private UI ui; public static UI getAppUI() { return ((BladeEngine) Gdx.app.getApplicationListener()).getUI(); } public void setTestMode(String s) { testScene = s; } public void loadGameState(String s) { gameState = s; } public void setPlayMode(String recordName) { this.recordName = recordName; } public void setDebugMode() { debug = true; } public void setRestart() { restart = true; } public void setChapter(String chapter) { this.chapter = chapter; } public void forceResolution(String forceRes) { this.forceRes = forceRes; } public UI getUI() { return ui; } @Override public void create() { if (!debug) debug = Config.getProperty(Config.DEBUG_PROP, debug); if (debug) EngineLogger.setDebug(); EngineLogger.debug("GAME CREATE"); if (forceRes == null) forceRes = Config.getProperty(Config.FORCE_RES_PROP, forceRes); if (forceRes != null) { EngineAssetManager.getInstance().forceResolution(forceRes); } try { World.getInstance().loadWorldDesc(); } catch (Exception e) { // dispose(); EngineLogger.error("EXITING: " + e.getMessage()); Gdx.app.exit(); } ui = new UI(); if (chapter == null) chapter = Config.getProperty(Config.CHAPTER_PROP, chapter); if (testScene == null) { testScene = Config.getProperty(Config.TEST_SCENE_PROP, testScene); } if (testScene != null || chapter != null) { try { World.getInstance().loadChapter(chapter, testScene); } catch (Exception e) { dispose(); EngineLogger.error("EXITING: " + e.getMessage()); Gdx.app.exit(); } ui.setCurrentScreen(UI.Screens.SCENE_SCREEN); } if (gameState == null) gameState = Config.getProperty(Config.LOAD_GAMESTATE_PROP, gameState); if (gameState != null) { try { World.getInstance().loadGameState(gameState); } catch (IOException e) { EngineLogger.error(e.getMessage()); } } if (restart) { try { World.getInstance().loadChapter(null); } catch (Exception e) { EngineLogger.error("ERROR LOADING GAME", e); dispose(); Gdx.app.exit(); } } if (recordName == null) recordName = Config.getProperty(Config.PLAY_RECORD_PROP, recordName); if (recordName != null) { ui.getRecorder().setFilename(recordName); ui.getRecorder().load(); ui.getRecorder().setPlaying(true); } if (EngineLogger.debugMode()) { IntBuffer size = BufferUtils.newIntBuffer(16); Gdx.gl.glGetIntegerv(GL20.GL_MAX_TEXTURE_SIZE, size); int maxSize = size.get(); EngineLogger.debug("Max. texture Size: " + maxSize); EngineLogger.debug("Density: " + Gdx.graphics.getDensity()); EngineLogger.debug("Size Multiplier: " + DPIUtils.getSizeMultiplier()); } } @Override public void dispose() { EngineLogger.debug("GAME DISPOSE"); World.getInstance().dispose(); ui.dispose(); } @Override public void render() { ui.render(); // Pause the game and save state when an error is found if (EngineLogger.lastError != null && EngineLogger.debugMode() && !World.getInstance().isPaused()) { ui.pause(); try { World.getInstance().saveGameState(); } catch (IOException e) { EngineLogger.error(e.getMessage()); } } } @Override public void resize(int width, int height) { EngineLogger.debug(MessageFormat.format("GAME RESIZE {0}x{1}", width, height)); ui.resize(width, height); } @Override public void pause() { boolean bot = ui.getTesterBot().isEnabled(); boolean r = ui.getRecorder().isPlaying(); if (!bot && !r && !World.getInstance().isDisposed()) { EngineLogger.debug("GAME PAUSE"); ui.pause(); try { World.getInstance().saveGameState(); } catch (IOException e) { EngineLogger.error(e.getMessage()); } } else { EngineLogger.debug("NOT PAUSING WHEN BOT IS RUNNING OR PLAYING RECORDED GAME"); } } @Override public void resume() { EngineLogger.debug("GAME RESUME"); ui.resume(); // resets the error when continue if (EngineLogger.lastError != null && EngineLogger.debugMode()) { EngineLogger.lastError = null; EngineLogger.lastException = null; } } }