Project 1 for SWEN20003

pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>au.edu.unimelb.cis</groupId>
+    <artifactId>bagel</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <build>
+        <sourceDirectory>src/</sourceDirectory>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.github.eleanor-em</groupId>
+            <artifactId>bagel</artifactId>
+            <version>1.9.3</version>
+        </dependency>
+    </dependencies>
+</project>

res/worlds/test.csv

+Tree,256,192
+Tree,256,512
+Tree,704,192
+Tree,704,512
+Gatherer,512,384
+Gatherer,384,512

src/ReadCSV.java

+import java.io.*;
+
+public class ReadCSV {
+    private String file;
+    private String[] nameList;
+    private int[] xCoordList;
+    private int[] yCoordList;
+    private static int lineNum;
+
+    // constructor for this class
+    public ReadCSV(String file) {
+        this.file = file;
+        lineNum = countLine();
+        nameList = new String[lineNum];
+        xCoordList = new int[lineNum];
+        yCoordList = new int[lineNum];
+        recordLine();
+    }
+
+    // getters for this class
+    public String[] getNames() { return nameList; }
+    public int[] getXCoords() { return xCoordList; }
+    public int[] getYCoords() { return yCoordList; }
+    public int getLineNum() { return lineNum; }
+
+    // method used for counting the number of lines
+    public int countLine() {
+        int count = 0;
+        try (BufferedReader br = new BufferedReader(new FileReader(file))) {
+            String text;
+            while ((text = br.readLine()) != null) {
+                count++;
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return count;
+    }
+
+    // method uesd for recording the data in each line separately
+    public void recordLine() {
+        try (BufferedReader br = new BufferedReader(new FileReader(file))) {
+            String text;
+            int count = 0;
+            while ((text = br.readLine()) != null) {
+                String cells[] = text.split(",");
+                nameList[count] = cells[0];
+                xCoordList[count] = Integer.parseInt(cells[1]);
+                yCoordList[count] = Integer.parseInt(cells[2]);
+                count++;
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}
\ No newline at end of file

src/ShadowLife.java

+import bagel.*;
+
+public class ShadowLife extends AbstractGame {
+    private Image gatherer;
+    private Image tree;
+    private Image background;
+    private String[] nameList;
+    private int[] xCoordList;
+    private int[] yCoordList;
+    private ReadCSV file;
+    private long time;
+    private int height;
+    private int width;
+
+    // constructor for ShadowLife
+    public ShadowLife() {
+        super(1024, 768, "Gather!");
+        gatherer = new Image("res/images/gatherer.png");
+        tree = new Image("res/images/tree.png");
+        background = new Image("res/images/background.png");
+        ReadCSV readFile = new ReadCSV("res/worlds/test.csv");
+        height = Window.getHeight();
+        width = Window.getWidth();
+        this.xCoordList = readFile.getXCoords();
+        this.yCoordList = readFile.getYCoords();
+        this.nameList = readFile.getNames();
+        file = readFile;
+        time = System.currentTimeMillis();
+    }
+
+    public static void main(String[] args) {
+        ShadowLife game = new ShadowLife();
+        game.run();
+    }
+
+    // update the simulation
+    public void update(Input input) {
+        boolean moved = false;
+
+        if (input.wasPressed(Keys.ESCAPE)) {
+            Window.close();
+        }
+
+        // draw background and actors
+        background.drawFromTopLeft(0, 0);
+        for (int i = 0; i < file.getLineNum(); i++) {
+            if (nameList[i].equals("Tree")) {
+                tree.draw(xCoordList[i], yCoordList[i]);
+            }
+            if (nameList[i].equals("Gatherer")) {
+                // move for every 1 tick
+                moved = false;
+                // 1 tick cannot be exactly 500, so after testing, choose the range 460-500
+                if (System.currentTimeMillis() - time > 460 &&
+                        System.currentTimeMillis() - time < 500) {
+                    randomMove(i);
+                    moved = true;
+                }
+                gatherer.draw(xCoordList[i], yCoordList[i]);
+            }
+        }
+        if (moved) {
+            time = System.currentTimeMillis();
+        }
+    }
+
+    // method used for the random move of gatherers
+    public void randomMove(int index) {
+        // choose a random direction and each direction has 25% probability to occur
+        double direction = Math.random();
+        // sort the directions, 0-0.25 for right, 0.25-0.5 for up, 0.5-0.75 for down and 0.75-1 for left
+        if (direction < 0.25) {
+            xCoordList[index] += (width / 64);
+        } else if (direction > 0.75) {
+            xCoordList[index] -= (width / 64);
+        } else if (direction > 0.25 && direction < 0.5) {
+            yCoordList[index] += (height / 64);
+        } else {
+            yCoordList[index] -= (height / 64);
+        }
+    }
+}