make heart collectable

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

@@ -72,6 +72,7 @@ public class Entity {
     public int defenseValue;
     public String description;
     public int useCost;
+    public int value;
 
     public Entity(GamePanel panel) {
         this.panel = panel;

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

@@ -48,6 +48,8 @@ public class Player extends Entity {
 
     // DEFAULT
     public void update() {
+        if(life > maxLife) life = maxLife;
+
         if(attacking) {
             attacking();
             return;
@@ -124,14 +126,22 @@ public class Player extends Entity {
 
     // INTERACTION
     public void pickObject(int index) {
-        if(index == 999) return;
-        if(inventory.size() == maxInvSize) {
-            panel.ui.addMessage("Your inventory is full!");
-            return;
+        if(index == 999 || panel.obj[index] == null) return;
+
+        // PICKUP ONLY
+        if(panel.obj[index].type == EntityType.PICKUP) {
+            panel.obj[index].use(this);
+        }
+        // INVENTORY ITEMS
+        else {
+            if(inventory.size() == maxInvSize) {
+                panel.ui.addMessage("Your inventory is full!");
+                return;
+            }
+            inventory.add(panel.obj[index]);
+            panel.playSE(1);
+            panel.ui.addMessage("Picked up " + panel.obj[index].name + "!");
         }
-        inventory.add(panel.obj[index]);
-        panel.playSE(1);
-        panel.ui.addMessage("Picked up " + panel.obj[index].name + "!");
         panel.obj[index] = null;
     }
 

src/de/miaurizius/jgame2d/entity/item/CoinObj.java

@@ -0,0 +1,26 @@
+package de.miaurizius.jgame2d.entity.item;
+
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.enums.EntityType;
+import de.miaurizius.jgame2d.entity.Entity;
+
+public class CoinObj extends Entity {
+
+    GamePanel panel;
+
+    public CoinObj(GamePanel panel) {
+        super(panel);
+        this.panel = panel;
+
+        name = "Coin";
+        type = EntityType.PICKUP;
+        value = 1;
+        down1 = initEntitySprites("/objects/coin_bronze");
+    }
+
+    public void use(Entity entity) {
+        panel.playSE(1);
+        panel.ui.addMessage("Coin +"+value);
+        panel.player.coins += value;
+    }
+}

src/de/miaurizius/jgame2d/entity/item/HeartObj.java

@@ -6,13 +6,26 @@ import de.miaurizius.jgame2d.entity.Entity;
 
 public class HeartObj extends Entity {
 
+    GamePanel panel;
+
     public HeartObj(GamePanel panel) {
         super(panel);
-        name = "Heart Container";
-        type = EntityType.ITEM;
+        this.panel = panel;
+
+        name = "Heart";
+        type = EntityType.PICKUP;
+        value = 2;
+
+        down1 = initEntitySprites("objects/heart_full");
         image = initEntitySprites("objects/heart_full");
         image2 = initEntitySprites("objects/heart_half");
         image3 = initEntitySprites("objects/heart_blank");
     }
 
+    public void use(Entity entity) {
+        panel.playSE(2);
+        panel.ui.addMessage("Life +"+value);
+        entity.life += value;
+    }
+
 }