MazeGame/EnemyMove.java at main · EngineerMinded/MazeGame · GitHub

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package Maze;

//////////////////////////////////////////////
// CMSC 495 - Fall 2021                     //
// Professor Mark Munoz                     //
//------------------------------------------//
// Maze.Maze Game                                //
// Written in Java:                         //
//------------------------------------------//
// Class: Maze.EnemyMove.java                    //
// This class maintains the data and the    //
// algorithms for the enemy's movements     //
//////////////////////////////////////////////

public class EnemyMove extends Thread {
    public boolean stopThread;

    @Override
    public void run() {
        while (!stopThread) {
            try {
                Maze.playerStanding.startClock();
                if (Maze.mazeLevelData.enemyList != null) {
                    Maze.mazeLevelData.enemyList.enemyMove();

                }
                Thread.sleep(750);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
    public void setStopThread () {
        stopThread = true;
        Maze.playerStanding.stopClock();
    }
}
class EnemyList {
    int rowNumber; int columnNumber;
    Directions faceDirection;
    EnemyList next;
    EnemyList(int columnNumber, int rowNumber) {
        this.rowNumber = rowNumber;
        this.columnNumber = columnNumber;
    }
    void addToList(int columnNumber, int rowNumber) {
        if (next == null) {
            next = new EnemyList(columnNumber,rowNumber);
        }
        else {
            next.addToList(columnNumber,rowNumber);
        }
    }

    boolean isPresent2 ( int Column, int Row) {
        if ( columnNumber == 0
                || rowNumber == 0) {
            return next.isPresent2(Column,Row);
        }
        if (Column == columnNumber
                && Row == rowNumber) {
            return true;
        }
        if (next != null) {
            return next.isPresent2(Column,Row);
        }
        return false;
    }
    public int absoluteValue (int i) {
        if (i < 0) {
            return (i + (i * 2));
        }
        return i;
    }
    public void enemyMove ( ) {
        int deviationX = columnNumber - Maze.mazeLevelData.playerX;
        int deviationY = rowNumber - Maze.mazeLevelData.playerY;
        if (absoluteValue(deviationX) > absoluteValue(deviationY)) {
            if (!moveUpDown()) {
                moveLeftRight();
            }
        }
        else  {
            if (!moveLeftRight()) {
                moveUpDown();
            }
        }
        if (next != null ) {
            next.enemyMove();
        }
    }
    public boolean moveLeftRight () {
        if (Maze.mazeLevelData.playerX < columnNumber
                && !isPresent2(columnNumber -1,rowNumber)
                && !Maze.mazeLevelData.isPresent(columnNumber - 1,rowNumber,MazeItems.WALL)) {
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber] = MazeItems.FLOOR;
            columnNumber--;
            faceDirection = Directions.UP;
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber] = MazeItems.ENEMY_POSITION_LEFT;
        }
        else if (Maze.mazeLevelData.playerX > columnNumber
                && !isPresent2(columnNumber +1,rowNumber)
                && !Maze.mazeLevelData.isPresent(columnNumber + 1 ,rowNumber,MazeItems.WALL)) {
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber] = MazeItems.FLOOR;
            columnNumber++;
            faceDirection = Directions.DOWN;
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber] = MazeItems.ENEMY_POSITION_RIGHT;
        }
        else {
            return false;
        }
        Maze.gameScreen.repaint();
        if (Maze.mazeLevelData.enemyGotYou()) {
            Maze.deathSequence(columnNumber,rowNumber);
        }
        return true;
    }
    public boolean moveUpDown () {
        if (Maze.mazeLevelData.playerY < rowNumber
                && !isPresent2(columnNumber ,rowNumber - 1)
                && !Maze.mazeLevelData.isPresent(columnNumber ,rowNumber - 1,MazeItems.WALL)) {
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber] = MazeItems.FLOOR;
            rowNumber--;
            faceDirection = Directions.UP;
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber ] = MazeItems.ENEMY_POSITION_UP;
        }
        else if (Maze.mazeLevelData.playerY > rowNumber
                && !isPresent2(columnNumber,rowNumber + 1)
                && !Maze.mazeLevelData.isPresent(columnNumber ,rowNumber + 1,MazeItems.WALL)) {
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber] = MazeItems.FLOOR;
            rowNumber++;
            faceDirection = Directions.DOWN;
            Maze.mazeLevelData.mazeGrid[columnNumber][rowNumber ] = MazeItems.ENEMY_POSITION_DOWN;
        }
        else {
            return false;
        }
        Maze.gameScreen.repaint();
        if (Maze.mazeLevelData.enemyGotYou()) {
            Maze.deathSequence(columnNumber,rowNumber);
        }
        return true;
    }
}