feat: Give item on dialog

common/src/main/java/cz/jzitnik/common/models/coordinates/RoomCords.java

@@ -6,6 +6,7 @@ import lombok.Getter;
 import lombok.ToString;
 import lombok.extern.slf4j.Slf4j;
 
+import java.awt.image.BufferedImage;
 import java.io.Serializable;
 import java.util.List;
 
@@ -16,6 +17,13 @@ public class RoomCords implements Cloneable, Serializable {
     private int x;
     private int y;
 
+    public RoomCords calculateCenter(BufferedImage texture) {
+        return new RoomCords(
+                x + texture.getWidth() / 2,
+                y + texture.getHeight() / 2
+        );
+    }
+
     @JsonCreator
     public RoomCords(
             @JsonProperty("x") int x,