Item pickup

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

@@ -17,6 +17,7 @@ public class Entity {
     public int spriteNum = 1;
 
     public Rectangle solidArea;
+    public int solidAreaDefaultX,  solidAreaDefaultY;
     public boolean collisionOn = false;
 
 }

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

@@ -16,6 +16,7 @@ public class Player extends Entity {
 
     public final int screenX;
     public final int screenY;
+    int hasKey = 0;
 
     public Player(GamePanel panel, KeyHandler keyH) {
         this.panel = panel;
@@ -27,6 +28,8 @@ public class Player extends Entity {
         solidArea = new Rectangle();
         solidArea.x = 12;
         solidArea.y = 20;
+        solidAreaDefaultX = solidArea.x;
+        solidAreaDefaultY = solidArea.y;
         solidArea.width = 24;
         solidArea.height = 24;
 
@@ -67,6 +70,8 @@ public class Player extends Entity {
             // CHECK TILE COLLISION
             collisionOn = false;
             panel.collisionH.checkTile(this);
+            int objIndex = panel.collisionH.checkObject(this, true);
+            pickObject(objIndex);
 
             if(!collisionOn) {
                 switch (direction) {
@@ -86,6 +91,22 @@ public class Player extends Entity {
         }
     }
 
+    public void pickObject(int index) {
+        if(index == 999) return;
+        switch(panel.obj[index].name.toLowerCase()) {
+            case "key":
+                hasKey++;
+                panel.obj[index] = null;
+                break;
+            case "door":
+                if(hasKey > 0) {
+                    panel.obj[index] = null;
+                    hasKey--;
+                }
+                break;
+        }
+    }
+
     public void draw(Graphics2D graphics2d) {
         BufferedImage image = switch (direction) {
             case UP -> (spriteNum == 1) ? up1 : up2;