From f593d61f5be8ebbdf49bd490d76fd626f6ab9ae6 Mon Sep 17 00:00:00 2001 From: jkonert Date: Mon, 23 May 2022 18:08:02 +0200 Subject: [PATCH] base files for HA07 added: BreakoutGame.java and BreakoutLevelBase.java --- GameProject/src/base/BreakoutGame.java | 38 ++++ .../src/playground/BreakoutLevelBase.java | 173 ++++++++++++++++++ 2 files changed, 211 insertions(+) create mode 100644 GameProject/src/base/BreakoutGame.java create mode 100644 GameProject/src/playground/BreakoutLevelBase.java diff --git a/GameProject/src/base/BreakoutGame.java b/GameProject/src/base/BreakoutGame.java new file mode 100644 index 0000000..2c636ff --- /dev/null +++ b/GameProject/src/base/BreakoutGame.java @@ -0,0 +1,38 @@ +package base; +import java.io.IOException; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; +import playground.*; + + +/** + * main class to start a game with only one level. + * + */ +public class BreakoutGame extends GameLoop { + + private static Logger logger = LogManager.getLogger(BreakoutGame.class); + + /** + * adds only one level to play ({@link playground.LevelBreakout1}). + */ + @Override + public void defineLevels() { + this.resetLevels(); // removes Level1 added by superclass constructor + // this.addLevel(new BreakoutLevel1()); // FIXME add this as soon as your level exists + } + + /** + * starts this game. + * + * @param args command line parameters (forwarded to {@link GameLoop#runGame(String[])}). + * @throws IOException if highscore.txt file cannot be written or accessed, the exception is + * thrown (and game ends). + */ + public static void main(String[] args) throws IOException { + GameLoop myGame = new BreakoutGame(); + logger.info("BreakoutGame program started."); + myGame.runGame(args); + } + +} diff --git a/GameProject/src/playground/BreakoutLevelBase.java b/GameProject/src/playground/BreakoutLevelBase.java new file mode 100644 index 0000000..0a67890 --- /dev/null +++ b/GameProject/src/playground/BreakoutLevelBase.java @@ -0,0 +1,173 @@ +package playground; + +import gameobjects.*; +import java.util.LinkedList; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; +import java.awt.Graphics2D; +import controller.*; + +public abstract class BreakoutLevelBase extends Playground { + + /** + * instance of the ball, needs to be set by {@link #prepareLevel(String) } + * + */ + protected GameObject ball = null, + /** + * instance of the ego objects, needs to be set by {@link #prepareLevel(String) } + * + */ + ego = null; + + private static Logger logger = LogManager.getLogger(BreakoutLevelBase.class); + + public BreakoutLevelBase() { + super(); + this.canvasX = this.preferredSizeX(); + this.canvasY = this.preferredSizeY(); + } + + /** + * signals to game engine that the game has finished by game over. called every game loop. default + * implementation is always false. + * + * @return false + */ + public boolean gameOver() { + return false; + } + + + /** + * signals to game engine that the game has finished by success. called every game loop. default + * implementation is always false. + * + * @return false + */ + public boolean levelFinished() { + return false; + } + + + /** + * signals to game engine that the game has been requested to be reseted (restart). called every + * game loop. default implementation is always false. + * + * @return false + */ + public boolean resetRequested() { + return false; + } + + /** + * unimplemented empty method called by game engine every loop. + * + */ + public void redrawLevel(Graphics2D g) { + + } + + + + /** + * Signal that the level has a size of 700x700 pixels. + * + * @return x size of level 700 + */ + @Override + public int preferredSizeX() { + return 700; + } + + /** + * Signal that the level has a size of 700x700 pixels. + * + * @return y size of level 700 + */ + @Override + public int preferredSizeY() { + return 700; + } + + + /** + * Method that gets called by applyGameLogic() whenever the ball collides with a brick. + * + * + * @param ball A reference to the current ball object + * @param brick A reference to the ego object + */ + protected abstract void actionIfBallHitsBrick(GameObject ball, GameObject brick); + + /** + * Method that gets called by applyGameLogic() whenever the ball collides with the ego object. + * + * @param ball A reference to the current ball object + * @param ego A reference to the ego object + */ + protected abstract void actionIfBallHitsEgo(GameObject ball, GameObject ego); + + /** + * checks for interactions between GameObjects; notably ball with ego and ball with brick. + * In case of detected collisions, it calls either {@link #actionIfBallHitsBrick(GameObject, GameObject)} + * or {@link #actionIfBallHitsEgo(GameObject, GameObject)}. + * Called every game loop. + */ + @Override + public void applyGameLogic() { + LinkedList bricks = collectObjects("brick", false); + + for (GameObject brick : bricks) { + if (this.ball.collisionDetection(brick)) { + logger.trace("Collision detected of ball and brick " + brick.getId()); + this.actionIfBallHitsBrick(this.ball, brick); + } + } + + if (this.ego.collisionDetection(ball)) { + logger.trace("Collision detected of ball and ego"); + actionIfBallHitsEgo(this.ball, this.ego); + } + } + + /** + * Creates the ego object and returns it, called by {@link #prepareLevel}. Does NOT add the ego + * object to the playground, but returns it. + * + * @return The created ego object instance (of class {@link RectObject} with + * {@link EgoController}. + */ + protected abstract GameObject createEgoObject(); + + /** + * Creates the ball object and returns it, called by #prepareLevel. Does NOT add the ball object + * to the playground, but returns it. + * + * @return The created ball object instance (of class {@link FallingStar}) + */ + protected abstract GameObject createBall(); + + /** + * Creates the GameObject (RectObject) instance representing a single brick at a certain grid + * position. The brick is NOT added here, but returned. + * + * @param row row position in the grid, ranges from 0 to calcNrBricksY()-1 + * @param column column position in the grid of bricks, ranges from 0 to calcNrBricksX()-1 + * @return The GameObject instance (really a RectObject) representing the created brick. + */ + protected abstract GameObject createBrick(int row, int column); + + /** + * Prepares a generic Breakout-Type level. This method relies on the methods {@link #createEgoObject()}, + * {@link #createBall} and {@link #createBrick}, among others, which are meant to be overwritten + * in subclasses.
+ * Attention: the attributes {@link #ball} and {@link #ego} need to be set properly to GameObject + * instances when implementing this method {@link #prepareLevel(String)}. + * + * @param level String passes by the game engine (not used currently and can be ignored). + */ + @Override + abstract public void prepareLevel(String level); + +}