added currency

TowerDefense/src/main/java/com/almasb/fxglgames/td/CurrencyService.java

@@ -0,0 +1,29 @@
+package com.almasb.fxglgames.td;
+
+import com.almasb.fxgl.core.EngineService;
+import com.almasb.fxgl.core.collection.PropertyMap;
+import javafx.beans.property.IntegerProperty;
+
+/**
+ * @author Almas Baimagambetov (almaslvl@gmail.com)
+ */
+public class CurrencyService extends EngineService {
+
+    private PropertyMap map = new PropertyMap();
+
+    public CurrencyService() {
+        map.setValue("currency", 0);
+    }
+
+    public int getCurrency() {
+        return map.getInt("currency");
+    }
+
+    public void setCurrency(int value) {
+        map.setValue("currency", value);
+    }
+
+    public IntegerProperty currencyProperty() {
+        return map.intProperty("currency");
+    }
+}

TowerDefense/src/main/java/com/almasb/fxglgames/td/TowerDefenseApp.java

@@ -55,6 +55,7 @@ protected void initSettings(GameSettings settings) {
         settings.setIntroEnabled(false);
         settings.setMainMenuEnabled(true);
         settings.setGameMenuEnabled(true);
+        settings.addEngineService(CurrencyService.class);
         settings.setSceneFactory(new SceneFactory() {
             @Override
             public FXGLMenu newMainMenu() {

TowerDefense/src/main/java/com/almasb/fxglgames/td/ui/CurrencyIcon.java

@@ -0,0 +1,24 @@
+package com.almasb.fxglgames.td.ui;
+
+import javafx.scene.Parent;
+import javafx.scene.paint.Color;
+import javafx.scene.shape.Circle;
+
+/**
+ * @author Almas Baimagambetov (almaslvl@gmail.com)
+ */
+public class CurrencyIcon extends Parent {
+
+    public CurrencyIcon() {
+        var circleOuter = new Circle(20, Color.YELLOW);
+        circleOuter.setStroke(Color.BLACK);
+        circleOuter.setStrokeWidth(4.0);
+
+        var circleInner = new Circle(11, Color.YELLOW.brighter());
+        circleInner.setStroke(Color.BLACK);
+        circleInner.setStrokeWidth(2.0);
+        circleInner.setTranslateY(-4);
+
+        getChildren().addAll(circleOuter, circleInner);
+    }
+}

TowerDefense/src/main/java/com/almasb/fxglgames/td/ui/CurrencyView.java

@@ -0,0 +1,33 @@
+package com.almasb.fxglgames.td.ui;
+
+import com.almasb.fxgl.dsl.FXGL;
+import com.almasb.fxglgames.td.CurrencyService;
+import javafx.scene.Parent;
+import javafx.scene.paint.Color;
+import javafx.scene.shape.Rectangle;
+
+/**
+ * @author Almas Baimagambetov (almaslvl@gmail.com)
+ */
+public class CurrencyView extends Parent {
+
+    public CurrencyView() {
+        var bg = new Rectangle(100, 34, Color.color(0.5, 0.5, 0.5, 0.75));
+        bg.setStroke(Color.color(0, 0, 0, 0.9));
+        bg.setStrokeWidth(2.5);
+        bg.setArcWidth(10);
+        bg.setArcHeight(10);
+
+        var icon = new CurrencyIcon();
+        icon.setTranslateX(15);
+        icon.setTranslateY(bg.getHeight() / 2.0);
+
+        var text = FXGL.getUIFactoryService().newText("", Color.WHITE, 22.0);
+        text.setTranslateX(55);
+        text.setTranslateY(25);
+
+        text.textProperty().bind(FXGL.getService(CurrencyService.class).currencyProperty().asString());
+
+        getChildren().addAll(bg, icon, text);
+    }
+}

TowerDefense/src/main/java/com/almasb/fxglgames/td/ui/scene/TowerDefenseMainMenu.java

@@ -11,6 +11,7 @@
 import com.almasb.fxglgames.td.TowerDefenseApp;
 import com.almasb.fxglgames.td.TowerDefenseFactory;
 import com.almasb.fxglgames.td.data.LevelData;
+import com.almasb.fxglgames.td.ui.CurrencyView;
 import javafx.scene.Group;
 import javafx.scene.Node;
 import javafx.scene.Parent;
@@ -155,14 +156,19 @@ public TowerDefenseMainMenu() {
         contentBox.setTranslateX(bgInnerRight.getTranslateX() + 25);
         contentBox.setTranslateY(220);
 
+        var currencyView = new CurrencyView();
+        currencyView.setTranslateX(getAppWidth() - 300);
+        currencyView.setTranslateY(15);
+
         getContentRoot().getChildren().addAll(
                 bg,
                 bgInnerLeft,
                 bgInnerRight,
                 menuBox,
                 contentBox,
                 title,
-                version
+                version,
+                currencyView
         );
     }