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.ui; import java.io.IOException; import java.io.Writer; import java.util.ArrayList; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.files.FileHandle; import com.badlogic.gdx.graphics.Color; import com.badlogic.gdx.graphics.g2d.SpriteBatch; import com.badlogic.gdx.math.Vector2; import com.badlogic.gdx.utils.Json; import com.bladecoder.engine.assets.EngineAssetManager; import com.bladecoder.engine.model.Dialog; import com.bladecoder.engine.model.InteractiveActor; import com.bladecoder.engine.model.Scene; import com.bladecoder.engine.model.World; import com.bladecoder.engine.util.EngineLogger; import com.bladecoder.engine.util.RectangleRenderer; /** * Singleton class for recording verbs calls. This class can record and play a * game session. * * @author rgarcia */ public class Recorder { private static final String DEFAULT_RECORD_FILENAME = "record"; public static final String RECORD_EXT = ".verbs.rec"; public static final String GAMESTATE_EXT = ".gamestate.rec"; private static final float WAITING_TIME = .5f; private ArrayList<TimeVerb> list = new ArrayList<TimeVerb>(); private boolean playing = false; private boolean recording = false; private float time; private int pos; private String fileName = DEFAULT_RECORD_FILENAME; public void update(float delta) { if (World.getInstance().isPaused()) return; if (recording) { time += delta; } else if (playing) { time += delta; if (pos >= list.size()) { setPlaying(false); return; } TimeVerb v = list.get(pos); Scene s = World.getInstance().getCurrentScene(); StringBuilder stringBuilder = new StringBuilder(); stringBuilder.append("RECORDER - "); // while (playing && v.time < time) { if (playing && v.time < time && !World.getInstance().inCutMode()) { if (v.verb == null) { if (v.pos == null) { // DIALOG OPTION World.getInstance().selectVisibleDialogOption(v.dialogOption); stringBuilder.append(" SELECT DIALOG OPTION: ").append(v.dialogOption); } else { // GOTO s.getPlayer().goTo(v.pos, null); stringBuilder.append(" GOTO ").append(v.pos.x).append(',').append(v.pos.y); } } else { InteractiveActor a = (InteractiveActor) s.getActor(v.actorId, true); if (a != null) { stringBuilder.append(v.verb); stringBuilder.append(' ').append(v.actorId); if (v.target != null) { stringBuilder.append(" with ").append(v.target); } a.runVerb(v.verb, v.target); } else EngineLogger.error("PLAYING ERROR: BaseActor not found: " + v.actorId); } EngineLogger.debug(stringBuilder.toString()); time = 0; pos++; if (pos >= list.size()) { setPlaying(false); } else { v = list.get(pos); } } } } public void add(String actorId, String verb, String target) { if (recording) { time += WAITING_TIME; TimeVerb v = new TimeVerb(); v.time = time; v.verb = verb; v.target = target; v.actorId = actorId; list.add(v); time = 0; } } public void add(int dialogOption) { if (recording) { TimeVerb v = new TimeVerb(); time += WAITING_TIME; v.time = time; Dialog d = World.getInstance().getCurrentDialog(); if (d != null) { v.dialogOption = dialogOption; } list.add(v); time = 0; } } public void add(Vector2 pos) { if (recording) { TimeVerb v = new TimeVerb(); time += WAITING_TIME; v.time = time; v.pos = pos; list.add(v); time = 0; } } public boolean isRecording() { return recording; } public void setRecording(boolean recording) { this.recording = recording; time = 0; pos = 0; if (recording) { EngineLogger.debug("RECORDING..."); try { World.getInstance().saveGameState(fileName + GAMESTATE_EXT); } catch (IOException e) { EngineLogger.error(e.getMessage()); } } else save(); } public boolean isPlaying() { return playing; } public void setPlaying(boolean p) { EngineLogger.debug("PLAYING..."); this.playing = p; this.recording = false; time = 0; pos = 0; } public void draw(SpriteBatch batch) { if (recording && ((int) time) % 2 == 0) { // RectangleRenderer.draw(batch, 10, // World.getInstance().getCamera().getViewport().commandHeight - 30, // 20, 20, Color.RED); // TODO: Provisional. Pass viewport to get height RectangleRenderer.draw(batch, 10, 10, 20, 20, Color.RED); } } static class TimeVerb { float time; String verb; String target; String actorId; int dialogOption; Vector2 pos; } public String getFileName() { return fileName; } public void setFilename(String name) { if (name != null && !name.trim().isEmpty()) { fileName = name; } else { fileName = DEFAULT_RECORD_FILENAME; } } @SuppressWarnings("unchecked") public void load() { String gameStateFileName = fileName + GAMESTATE_EXT; String recordFileName = fileName + RECORD_EXT; FileHandle verbsFile = EngineAssetManager.getInstance().getUserFile(recordFileName); if (!verbsFile.exists()) verbsFile = Gdx.files.internal("tests/" + recordFileName); if (verbsFile.exists()) { // LOAD GAME STATE IF EXISTS FileHandle gameStateFile = EngineAssetManager.getInstance().getUserFile(gameStateFileName); if (!gameStateFile.exists()) gameStateFile = Gdx.files.internal("tests/" + gameStateFileName); if (gameStateFile.exists()) try { World.getInstance().loadGameState(gameStateFile); } catch (IOException e) { EngineLogger.error(e.getMessage()); } else EngineLogger.debug("LOADING RECORD: no saved file exists"); // LOAD VERBS list = new Json().fromJson(ArrayList.class, TimeVerb.class, verbsFile.reader("UTF-8")); } else { EngineLogger.error("LOADING RECORD: no record file exists"); } } public void save() { Json json = new Json(); // String s = json.prettyPrint(list); String s = json.toJson(list, ArrayList.class, TimeVerb.class); Writer w = EngineAssetManager.getInstance().getUserFile(fileName + RECORD_EXT).writer(false, "UTF-8"); try { w.write(s); w.close(); } catch (IOException e) { EngineLogger.error("ERROR SAVING RECORD", e); } } }