added player life display

src/de/miaurizius/jgame2d/core/UI.java

@@ -1,14 +1,18 @@
 package de.miaurizius.jgame2d.core;
 
 import de.miaurizius.jgame2d.core.enums.GameState;
+import de.miaurizius.jgame2d.object.HeartObj;
+import de.miaurizius.jgame2d.object.SuperObject;
 
 import java.awt.*;
+import java.awt.image.BufferedImage;
 
 public class UI {
 
     GamePanel panel;
     Graphics2D graphics2d;
     Font arial_40, arial_80B;
+    BufferedImage heart_full, heart_half, heart_blank;
     public String currentDialogue;
     public int commandNum = 0;
 
@@ -16,6 +20,12 @@ public class UI {
         this.panel = panel;
         arial_40 = new Font("Arial", Font.PLAIN, 40);
         arial_80B = new Font("Arial", Font.BOLD, 80);
+
+        // CREATE HUD OBJECT
+        SuperObject heart = new HeartObj(panel);
+        heart_full = heart.image;
+        heart_half = heart.image2;
+        heart_blank = heart.image3;
     }
 
     public void draw(Graphics2D graphics2d) {
@@ -26,12 +36,14 @@ public class UI {
         if(panel.gameState == null) return;
         switch (panel.gameState) {
             case GameState.PLAY:
-
+                drawPlayerLife();
                 break;
             case GameState.PAUSE:
+                drawPlayerLife();
                 drawPauseScreen();
                 break;
             case GameState.DIALOGUE:
+                drawPlayerLife();
                 drawDialogueScreen();
                 break;
             case TITLE:
@@ -40,6 +52,33 @@ public class UI {
         }
     }
 
+    public void drawPlayerLife() {
+        int x = panel.tileSize / 2;
+        int y = panel.tileSize / 2;
+        int i = 0;
+
+        // DRAW MAX HEART
+        while(i<panel.player.maxLife/2) {
+            graphics2d.drawImage(heart_blank, x, y, null);
+            i++;
+            x += panel.tileSize;
+        }
+
+        // RESET
+        x = panel.tileSize / 2;
+        y = panel.tileSize / 2;
+        i = 0;
+
+        // DRAW CURRENT LIFE
+        while(i<panel.player.life) {
+            graphics2d.drawImage(heart_half, x, y, null);
+            i++;
+            if(i < panel.player.life) graphics2d.drawImage(heart_full, x, y, null);
+            i++;
+            x += panel.tileSize;
+        }
+    }
+
     public void drawPauseScreen() {
         graphics2d.setFont(graphics2d.getFont().deriveFont(Font.PLAIN, 80));
         String text = "PAUSED";
@@ -112,7 +151,6 @@ public class UI {
         graphics2d.drawRoundRect(x+5, y+5, width-10, height-10, 25, 25);
     }
 
-
     public int getCenteredX(String text) {
         return panel.screenWidth / 2 - (int) graphics2d.getFontMetrics().getStringBounds(text, graphics2d).getWidth() / 2;
     }

src/de/miaurizius/jgame2d/entity/Entity.java

@@ -28,6 +28,10 @@ public class Entity {
     String[] dialogue = new String[20];
     int dialogueIndex = 0;
 
+    // CHARACTER STATUS
+    public int maxLife;
+    public int life;
+
     public Entity(GamePanel panel) {
         this.panel = panel;
     }

src/de/miaurizius/jgame2d/entity/Player.java

@@ -38,6 +38,10 @@ public class Player extends Entity {
         worldY = panel.tileSize * 21;
         speed = 4;
         direction = Direction.DOWN;
+
+        // PLAYER STATUS (1 heart = 2 lives)
+        maxLife = 6;
+        life = maxLife;
     }
 
     public void getPlayerImage()  {

src/de/miaurizius/jgame2d/object/HeartObj.java

@@ -0,0 +1,28 @@
+package de.miaurizius.jgame2d.object;
+
+import de.miaurizius.jgame2d.core.Boot;
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.Utility;
+
+import javax.imageio.ImageIO;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.logging.Level;
+
+public class HeartObj extends SuperObject {
+
+    GamePanel panel;
+
+    public HeartObj(GamePanel panel) {
+        this.panel = panel;
+        name = "heart";
+        try {
+            image = Utility.scaleImage(ImageIO.read(new FileInputStream("assets/objects/heart_full.png")), panel.tileSize, panel.tileSize);
+            image2 = Utility.scaleImage(ImageIO.read(new FileInputStream("assets/objects/heart_half.png")), panel.tileSize, panel.tileSize);
+            image3 = Utility.scaleImage(ImageIO.read(new FileInputStream("assets/objects/heart_blank.png")), panel.tileSize, panel.tileSize);
+        } catch(IOException e) {
+            Boot.logger.log(Level.SEVERE, "Could not load image", e);
+        }
+    }
+
+}

src/de/miaurizius/jgame2d/object/SuperObject.java

@@ -7,7 +7,7 @@ import java.awt.image.BufferedImage;
 
 public class SuperObject {
 
-    public BufferedImage image;
+    public BufferedImage image, image2, image3;
     public String name;
     public boolean collision = false;
     public int worldX, worldY;