Java tutorial
/* * Copyright (C) 2016 Google Inc. All Rights Reserved. * * 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.google.android.apps.santatracker.doodles.tilt; import android.content.Context; import android.os.Environment; import android.util.Log; import com.google.android.apps.santatracker.doodles.shared.Actor; import com.google.android.apps.santatracker.doodles.shared.Vector2D; import java.io.File; import java.util.ArrayList; import java.util.List; import org.json.JSONException; import org.json.JSONObject; /** * A level manager for the Pineapple 2016 swimming game. */ public class SwimmingLevelManager extends LevelManager<SwimmingModel> { public static File levelsDir = null; private static final int DEFAULT_OBSTACLE_Y = -1000; public SwimmingLevelManager(Context context) { super(context); } @Override public SwimmingModel loadDefaultLevel() { SwimmingModel model = getEmptyModel(); List<String> types = new ArrayList<>(BoundingBoxSpriteActor.TYPE_TO_RESOURCE_MAP.keySet()); for (int i = 0; i < types.size(); i++) { int x = i * SwimmingModel.LEVEL_WIDTH / types.size(); int y = DEFAULT_OBSTACLE_Y; BoundingBoxSpriteActor obstacle = BoundingBoxSpriteActor.create(Vector2D.get(x, y), types.get(i), context.getResources()); model.addActor(obstacle); } return model; } @Override protected File getLevelsDir() { if (levelsDir == null) { levelsDir = new File(Environment.getExternalStorageDirectory(), "swimming_levels"); } return levelsDir; } @Override Actor loadActorFromJSON(JSONObject json) throws JSONException { String type = json.getString(Actor.TYPE_KEY); Actor actor = null; if (BoundingBoxSpriteActor.TYPE_TO_RESOURCE_MAP.containsKey(type)) { actor = BoundingBoxSpriteActor.fromJSON(json, context); } else { Log.w(TAG, "Unable to create object of type: " + type); } return actor; } @Override protected SwimmingModel getEmptyModel() { return new SwimmingModel(); } }