From 4bbef6da754e408e81611b9537478ad85f18417b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Ko=C5=BEusznik?= <jan@kozusznik.cz>
Date: Tue, 2 Nov 2021 11:22:20 +0100
Subject: [PATCH] Solution for lab08 - use CSV
---
.gitignore | 2 +
src/main/java/lab/GameController.java | 71 ++++++++++++++++++++++++++
src/main/java/lab/Score.java | 45 ++++++++++++++++
src/main/java/lab/ScoreComparator.java | 12 +++++
src/main/resources/lab/GameView.fxml | 20 +++++++-
5 files changed, 149 insertions(+), 1 deletion(-)
create mode 100644 src/main/java/lab/Score.java
create mode 100644 src/main/java/lab/ScoreComparator.java
diff --git a/.gitignore b/.gitignore
index db44c8a..9ba8624 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
.settings/
.project
.classpath
+/high_score.obj
+/high_score.csv
diff --git a/src/main/java/lab/GameController.java b/src/main/java/lab/GameController.java
index 2a23c20..001db37 100644
--- a/src/main/java/lab/GameController.java
+++ b/src/main/java/lab/GameController.java
@@ -1,11 +1,26 @@
package lab;
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+import java.util.Set;
+
import javafx.animation.AnimationTimer;
import javafx.beans.value.ObservableValue;
+import javafx.collections.FXCollections;
import javafx.fxml.FXML;
import javafx.scene.canvas.Canvas;
import javafx.scene.control.Label;
+import javafx.scene.control.ListView;
import javafx.scene.control.Slider;
+import javafx.scene.control.TextField;
public class GameController {
@@ -26,12 +41,22 @@ public class GameController {
@FXML
private Label hits;
+ @FXML
+ private ListView<Score> scoreList;
+
+ @FXML
+ private TextField nameTextField;
+
+ private List<Score> highScores = new LinkedList<>();
+
private AnimationTimer animationTimer;
public GameController() {
}
public void startGame() {
+ initScoreList();
+
this.world = new World(canvas.getWidth(), canvas.getHeight());
this.world.setGameListener(new GameListenerImpl());
//Draw scene on a separate thread to avoid blocking UI.
@@ -70,6 +95,50 @@ public class GameController {
world.setCannonStrength(newValue.doubleValue());
}
+ @FXML
+ private void gameOverPressed() {
+ Score score = new Score(new Random().nextInt(11), nameTextField.getText());
+ scoreList.getItems().add(score);
+ Collections.sort(scoreList.getItems(), new ScoreComparator().reversed());
+ }
+
+ @FXML
+ private void highScoresPressed() {
+ Set<Score> tempScores = new HashSet<>();
+ tempScores.addAll(highScores);
+ highScores.clear();
+ highScores.addAll(tempScores);
+ Collections.sort(highScores, new ScoreComparator().reversed());
+ initScoreList();
+ }
+
+ @FXML
+ private void savePressed() throws IOException {
+ try(PrintWriter pw = new PrintWriter(new FileWriter("high_score.csv"))){
+ for(Score score: highScores) {
+ pw.printf("%s;%d\n", score.getName(), score.getScore());
+ }
+ }
+ }
+
+
+ @FXML
+ private void loadPressed() throws IOException{
+ highScores.clear();
+ try(BufferedReader br = new BufferedReader(new FileReader("high_score.csv"))){
+ String line;
+ while(null != (line = br.readLine())) {
+ String [] tokens = line.split(";");
+ highScores.add(new Score(Integer.parseInt(tokens[1]), tokens[0]));
+ }
+ }
+ initScoreList();
+ }
+
+ private void initScoreList() {
+ scoreList.setItems(FXCollections.observableList(highScores));
+ }
+
private final class AnimationTimerImpl extends AnimationTimer {
private Long previous;
@@ -98,4 +167,6 @@ public class GameController {
}
}
+
+
}
diff --git a/src/main/java/lab/Score.java b/src/main/java/lab/Score.java
new file mode 100644
index 0000000..e7f8bc7
--- /dev/null
+++ b/src/main/java/lab/Score.java
@@ -0,0 +1,45 @@
+package lab;
+
+import java.io.Serializable;
+
+public class Score implements Serializable{
+
+ private static final long serialVersionUID = 712213568495641939L;
+
+ private final int score;
+ private final String name;
+ public Score(int score, String name) {
+ super();
+ this.score = score;
+ this.name = name;
+ }
+
+
+ public String getName() {
+ return name;
+ }
+
+ public int getScore() {
+ return score;
+ }
+
+ @Override
+ public String toString() {
+ return name + ": " + score;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof Score) {
+ Score score = (Score) obj;
+ return this.name.equals(score.name);
+ }
+
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return name.hashCode();
+ }
+}
diff --git a/src/main/java/lab/ScoreComparator.java b/src/main/java/lab/ScoreComparator.java
new file mode 100644
index 0000000..a68e274
--- /dev/null
+++ b/src/main/java/lab/ScoreComparator.java
@@ -0,0 +1,12 @@
+package lab;
+
+import java.util.Comparator;
+
+public class ScoreComparator implements Comparator<Score> {
+
+ @Override
+ public int compare(Score o1, Score o2) {
+ return Integer.compare(o1.getScore(), o2.getScore());
+ }
+
+}
diff --git a/src/main/resources/lab/GameView.fxml b/src/main/resources/lab/GameView.fxml
index e0732c4..78f11fe 100644
--- a/src/main/resources/lab/GameView.fxml
+++ b/src/main/resources/lab/GameView.fxml
@@ -5,12 +5,15 @@
<?import javafx.scene.canvas.Canvas?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ListView?>
<?import javafx.scene.control.Slider?>
+<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.BorderPane?>
<?import javafx.scene.layout.ColumnConstraints?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.layout.HBox?>
<?import javafx.scene.layout.RowConstraints?>
+<?import javafx.scene.layout.VBox?>
<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1" fx:controller="lab.GameController">
<bottom>
@@ -41,11 +44,26 @@
<Label text="Shoots:" />
<Label fx:id="shoots" text="0" GridPane.columnIndex="1" />
<Label text="Hits:" GridPane.rowIndex="1" />
- <Label fx:id="hits" text="0" GridPane.rowIndex="1" GridPane.columnIndex="1" />
+ <Label fx:id="hits" text="0" GridPane.columnIndex="1" GridPane.rowIndex="1" />
</children>
</GridPane>
<Canvas fx:id="canvas" height="400.0" width="600.0" />
</children>
</Group>
</center>
+ <left>
+ <VBox prefHeight="200.0" prefWidth="100.0" BorderPane.alignment="CENTER">
+ <children>
+ <Label text="Jméno:" />
+ <TextField fx:id="nameTextField" promptText="Jméno" />
+ <Button mnemonicParsing="false" onAction="#gameOverPressed" text="Game Over" />
+ <Button mnemonicParsing="false" onAction="#highScoresPressed" text="High Score" />
+ <Button mnemonicParsing="false" onAction="#savePressed" text="Save" />
+ <Button mnemonicParsing="false" onAction="#loadPressed" text="Load" />
+ </children>
+ </VBox>
+ </left>
+ <right>
+ <ListView fx:id="scoreList" prefHeight="200.0" prefWidth="200.0" BorderPane.alignment="CENTER" />
+ </right>
</BorderPane>
--
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