Fix pest control shield state checks (#4977)

Closes #4974.

An update for mobile broke checking the shield widgets for hidden. They never technically hide until the game is over.

runelite-client/src/main/java/net/runelite/client/plugins/pestcontrol/Game.java

@@ -46,6 +46,26 @@ public class Game
 	private final PortalContext yellow = new PortalContext(YELLOW);
 	private final PortalContext red = new PortalContext(RED);
 
+	public void fall(String color)
+	{
+		if (color.equalsIgnoreCase("purple"))
+		{
+			fall(purple);
+		}
+		else if (color.equalsIgnoreCase("red"))
+		{
+			fall(red);
+		}
+		else if (color.equalsIgnoreCase("yellow"))
+		{
+			fall(yellow);
+		}
+		else if (color.equalsIgnoreCase("blue"))
+		{
+			fall(blue);
+		}
+	}
+
 	public void fall(PortalContext portal)
 	{
 		if (!portal.isShielded())

runelite-client/src/main/java/net/runelite/client/plugins/pestcontrol/PestControlOverlay.java

@@ -32,6 +32,8 @@ import java.awt.Graphics2D;
 import java.awt.geom.Rectangle2D;
 import java.util.Arrays;
 import javax.inject.Inject;
+import lombok.AccessLevel;
+import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import net.runelite.api.Client;
 import net.runelite.api.NPC;
@@ -55,6 +57,7 @@ public class PestControlOverlay extends Overlay
 	private final Client client;
 
 	// Pest control game
+	@Getter(AccessLevel.PACKAGE)
 	private Game game;
 
 	@Inject
@@ -121,24 +124,6 @@ public class PestControlOverlay extends Overlay
 		assert yellowShield != null;
 		assert redShield != null;
 
-		// Check for fallen portals
-		if (purpleShield.isHidden())
-		{
-			game.fall(purple);
-		}
-		if (blueShield.isHidden())
-		{
-			game.fall(blue);
-		}
-		if (yellowShield.isHidden())
-		{
-			game.fall(yellow);
-		}
-		if (redShield.isHidden())
-		{
-			game.fall(red);
-		}
-
 		// Check for dead portals
 		if (isZero(purpleHealth))
 		{

runelite-client/src/main/java/net/runelite/client/plugins/pestcontrol/PestControlPlugin.java

@@ -24,7 +24,14 @@
  */
 package net.runelite.client.plugins.pestcontrol;
 
+import com.google.common.eventbus.Subscribe;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import javax.inject.Inject;
+import net.runelite.api.ChatMessageType;
+import net.runelite.api.Client;
+import net.runelite.api.GameState;
+import net.runelite.api.events.SetMessage;
 import net.runelite.client.plugins.Plugin;
 import net.runelite.client.plugins.PluginDescriptor;
 import net.runelite.client.ui.overlay.OverlayManager;
@@ -39,9 +46,14 @@ public class PestControlPlugin extends Plugin
 	@Inject
 	private OverlayManager overlayManager;
 
+	@Inject
+	private Client client;
+
 	@Inject
 	private PestControlOverlay overlay;
 
+	private Pattern pattern = Pattern.compile("The ([a-z]+), [^ ]+ portal shield has dropped!", Pattern.CASE_INSENSITIVE);
+
 	@Override
 	protected void startUp() throws Exception
 	{
@@ -53,4 +65,23 @@ public class PestControlPlugin extends Plugin
 	{
 		overlayManager.remove(overlay);
 	}
+
+
+	@Subscribe
+	private void onSetMessage(SetMessage setMessage)
+	{
+		if (client.getGameState() != GameState.LOADING && client.getGameState() != GameState.LOGGED_IN)
+		{
+			return;
+		}
+
+		if (overlay.getGame() != null && setMessage.getType() == ChatMessageType.SERVER)
+		{
+			Matcher matcher = pattern.matcher(setMessage.getValue());
+			if (matcher.lookingAt())
+			{
+				overlay.getGame().fall(matcher.group(1));
+			}
+		}
+	}
 }