Added minimum time to pass for another engineer to spawn

source/core/src/main/com/csse3200/game/areas/ForestGameArea.java

@@ -8,6 +8,7 @@
 
 import com.csse3200.game.components.ProjectileEffects;
 
+import com.csse3200.game.services.GameTime;
 import com.csse3200.game.utils.math.RandomUtils;
 import com.csse3200.game.services.ResourceService;
 import com.csse3200.game.services.ServiceLocator;
@@ -27,6 +28,11 @@ public class ForestGameArea extends GameArea {
   private static final int NUM_GRUNTS = 5;
   private static final int NUM_BOSS = 4;
 
+  /* Change below to change the number of ms between spawns of engineers in the case */
+  private static final long ENGINEER_MIN_SPAWN_INTERVAL = 1000;
+
+  private long lastSpawnTime = 0;
+
   private SecureRandom rand = new SecureRandom();
 
   private int wave = 0;
@@ -963,10 +969,20 @@ private void spawnIncome() {
    * and trigger engineer spawning
    */
   private void spawnGapScanners() {
+    GameTime gameTime = ServiceLocator.getTimeSource();
+    long currSpawnTime = gameTime.getTime();
+    long diff = currSpawnTime - this.lastSpawnTime;
+
+    // Don't spawn an engineer if not enough time has passed
+    if (diff < ENGINEER_MIN_SPAWN_INTERVAL) {
+      return;
+    }
+
     for (int i = 0; i < terrain.getMapBounds(0).y; i++) {
       Entity scanner = GapScannerFactory.createScanner();
       spawnEntityAt(scanner, new GridPoint2(0, i), true, true);
     }
+    this.lastSpawnTime = currSpawnTime;
   }
 
 

source/core/src/main/com/csse3200/game/screens/LevelSelectScreen.java

@@ -53,7 +53,6 @@ public class LevelSelectScreen extends ScreenAdapter {
     private Music music;
 
     // Stores a time to determine the frame of the planet
-    // TODO: Account for integer overflow
     float timeCounter = 0;
 
     private static final String BG_PATH = "planets/background.png";