motherlode: Add overlay for broken water wheel struts

* Rename MotherlodeRocksOverlay to MotherlodeSceneOverlay
* When strut is broken, red border with hammer icon will show around it.

runelite-client/src/main/java/net/runelite/client/plugins/motherlode/MotherlodeConfig.java

@@ -124,6 +124,16 @@ public interface MotherlodeConfig extends Config
 		return true;
 	}
 
+	@ConfigItem(
+		keyName = "showBrokenStruts",
+		name = "Show broken struts",
+		description = "Shows broken water wheel struts"
+	)
+	default boolean showBrokenStruts()
+	{
+		return true;
+	}
+
 	@ConfigItem(
 		keyName = "showLootIcons",
 		name = "Show ore icons",

runelite-client/src/main/java/net/runelite/client/plugins/motherlode/MotherlodePlugin.java

@@ -49,6 +49,7 @@ import net.runelite.api.Item;
 import net.runelite.api.ItemContainer;
 import net.runelite.api.ItemID;
 import net.runelite.api.MenuAction;
+import static net.runelite.api.ObjectID.BROKEN_STRUT;
 import static net.runelite.api.ObjectID.ORE_VEIN_26661;
 import static net.runelite.api.ObjectID.ORE_VEIN_26662;
 import static net.runelite.api.ObjectID.ORE_VEIN_26663;
@@ -109,7 +110,7 @@ public class MotherlodePlugin extends Plugin
 	private MotherlodeOverlay overlay;
 
 	@Inject
-	private MotherlodeRocksOverlay rocksOverlay;
+	private MotherlodeSceneOverlay sceneOverlay;
 
 	@Inject
 	private MotherlodeSackOverlay motherlodeSackOverlay;
@@ -148,6 +149,8 @@ public class MotherlodePlugin extends Plugin
 	private final Set<WallObject> veins = new HashSet<>();
 	@Getter(AccessLevel.PACKAGE)
 	private final Set<GameObject> rocks = new HashSet<>();
+	@Getter(AccessLevel.PACKAGE)
+	private final Set<GameObject> brokenStruts = new HashSet<>();
 
 	@Provides
 	MotherlodeConfig getConfig(ConfigManager configManager)
@@ -159,7 +162,7 @@ public class MotherlodePlugin extends Plugin
 	protected void startUp()
 	{
 		overlayManager.add(overlay);
-		overlayManager.add(rocksOverlay);
+		overlayManager.add(sceneOverlay);
 		overlayManager.add(motherlodeGemOverlay);
 		overlayManager.add(motherlodeOreOverlay);
 		overlayManager.add(motherlodeSackOverlay);
@@ -176,12 +179,13 @@ public class MotherlodePlugin extends Plugin
 	protected void shutDown()
 	{
 		overlayManager.remove(overlay);
-		overlayManager.remove(rocksOverlay);
+		overlayManager.remove(sceneOverlay);
 		overlayManager.remove(motherlodeGemOverlay);
 		overlayManager.remove(motherlodeOreOverlay);
 		overlayManager.remove(motherlodeSackOverlay);
 		veins.clear();
 		rocks.clear();
+		brokenStruts.clear();
 
 		Widget sack = client.getWidget(WidgetInfo.MOTHERLODE_MINE);
 
@@ -345,11 +349,7 @@ public class MotherlodePlugin extends Plugin
 			return;
 		}
 
-		GameObject gameObject = event.getGameObject();
+		addGameObject(event.getGameObject());
-		if (ROCK_OBSTACLES.contains(gameObject.getId()))
-		{
-			rocks.add(gameObject);
-		}
 	}
 
 	@Subscribe
@@ -360,15 +360,8 @@ public class MotherlodePlugin extends Plugin
 			return;
 		}
 
-		GameObject previous = event.getPrevious();
+		removeGameObject(event.getPrevious());
-		GameObject gameObject = event.getGameObject();
+		addGameObject(event.getGameObject());
-
-		rocks.remove(previous);
-		if (ROCK_OBSTACLES.contains(gameObject.getId()))
-		{
-			rocks.add(gameObject);
-		}
-
 	}
 
 	@Subscribe
@@ -379,8 +372,7 @@ public class MotherlodePlugin extends Plugin
 			return;
 		}
 
-		GameObject gameObject = event.getGameObject();
+		removeGameObject(event.getGameObject());
-		rocks.remove(gameObject);
 	}
 
 	@Subscribe
@@ -391,6 +383,7 @@ public class MotherlodePlugin extends Plugin
 			// on region changes the tiles get set to null
 			veins.clear();
 			rocks.clear();
+			brokenStruts.clear();
 
 			inMlm = checkInMlm();
 		}
@@ -513,4 +506,23 @@ public class MotherlodePlugin extends Plugin
 	{
 		return Perspective.getTileHeight(client, localPoint, 0) < UPPER_FLOOR_HEIGHT;
 	}
-}
+
+	private void addGameObject(GameObject gameObject)
+	{
+		if (ROCK_OBSTACLES.contains(gameObject.getId()))
+		{
+			rocks.add(gameObject);
+		}
+
+		if (BROKEN_STRUT == gameObject.getId())
+		{
+			brokenStruts.add(gameObject);
+		}
+	}
+
+	private void removeGameObject(GameObject gameObject)
+	{
+		rocks.remove(gameObject);
+		brokenStruts.remove(gameObject);
+	}
+}

runelite-client/src/main/java/net/runelite/client/plugins/motherlode/MotherlodeSceneOverlay.java

@@ -34,30 +34,34 @@ import java.awt.image.BufferedImage;
 import javax.inject.Inject;
 import net.runelite.api.Client;
 import net.runelite.api.GameObject;
+import net.runelite.api.ItemID;
 import net.runelite.api.Perspective;
 import net.runelite.api.Player;
 import net.runelite.api.Point;
 import net.runelite.api.Skill;
 import net.runelite.api.WallObject;
 import net.runelite.api.coords.LocalPoint;
+import net.runelite.client.game.ItemManager;
 import net.runelite.client.game.SkillIconManager;
 import net.runelite.client.ui.overlay.Overlay;
 import net.runelite.client.ui.overlay.OverlayLayer;
 import net.runelite.client.ui.overlay.OverlayPosition;
 import net.runelite.client.ui.overlay.OverlayUtil;
 
-class MotherlodeRocksOverlay extends Overlay
+class MotherlodeSceneOverlay extends Overlay
 {
 	private static final int MAX_DISTANCE = 2350;
+	private static final int IMAGE_Z_OFFSET = 20;
 
 	private final Client client;
 	private final MotherlodePlugin plugin;
 	private final MotherlodeConfig config;
 
 	private final BufferedImage miningIcon;
+	private final BufferedImage hammerIcon;
 
 	@Inject
-	MotherlodeRocksOverlay(Client client, MotherlodePlugin plugin, MotherlodeConfig config, SkillIconManager iconManager)
+	MotherlodeSceneOverlay(Client client, MotherlodePlugin plugin, MotherlodeConfig config, SkillIconManager iconManager, ItemManager itemManager)
 	{
 		setPosition(OverlayPosition.DYNAMIC);
 		setLayer(OverlayLayer.ABOVE_SCENE);
@@ -66,6 +70,7 @@ class MotherlodeRocksOverlay extends Overlay
 		this.config = config;
 
 		miningIcon = iconManager.getSkillImage(Skill.MINING);
+		hammerIcon = itemManager.getImage(ItemID.HAMMER);
 	}
 
 	@Override
@@ -115,6 +120,17 @@ class MotherlodeRocksOverlay extends Overlay
 			}
 		}
 
+		if (config.showBrokenStruts())
+		{
+			for (GameObject brokenStrut : plugin.getBrokenStruts())
+			{
+				LocalPoint location = brokenStrut.getLocalLocation();
+				if (localLocation.distanceTo(location) <= MAX_DISTANCE)
+				{
+					renderBrokenStrut(graphics, brokenStrut);
+				}
+			}
+		}
 	}
 
 	private void renderVein(Graphics2D graphics, WallObject vein)
@@ -136,4 +152,15 @@ class MotherlodeRocksOverlay extends Overlay
 			OverlayUtil.renderPolygon(graphics, poly, Color.red);
 		}
 	}
+
+	private void renderBrokenStrut(Graphics2D graphics, GameObject brokenStrut)
+	{
+		Polygon poly = Perspective.getCanvasTilePoly(client, brokenStrut.getLocalLocation());
+
+		if (poly != null)
+		{
+			OverlayUtil.renderPolygon(graphics, poly, Color.red);
+			OverlayUtil.renderImageLocation(client, graphics, brokenStrut.getLocalLocation(), hammerIcon, IMAGE_Z_OFFSET);
+		}
+	}
 }

runelite-client/src/test/java/net/runelite/client/plugins/motherlode/MotherlodePluginTest.java

@@ -78,7 +78,7 @@ public class MotherlodePluginTest
 
 	@Mock
 	@Bind
-	private MotherlodeRocksOverlay motherlodeRocksOverlay;
+	private MotherlodeSceneOverlay motherlodeSceneOverlay;
 
 	@Mock
 	@Bind