custom cursor: add option to use equipped weapon

runelite-client/src/main/java/net/runelite/client/plugins/customcursor/CustomCursor.java

@@ -38,6 +38,7 @@ public enum CustomCursor
 	DRAGON_DAGGER_POISON("Dragon Dagger (p)", "cursor-dragon-dagger-p.png"),
 	TROUT("Trout", "cursor-trout.png"),
 	DRAGON_SCIMITAR("Dragon Scimitar", "cursor-dragon-scimitar.png"),
+	EQUIPPED_WEAPON("Equipped Weapon"),
 	CUSTOM_IMAGE("Custom Image");
 
 	private final String name;
@@ -55,4 +56,4 @@ public enum CustomCursor
 		this.name = name;
 		this.cursorImage = ImageUtil.getResourceStreamFromClass(CustomCursorPlugin.class, icon);
 	}
-}
+}

runelite-client/src/main/java/net/runelite/client/plugins/customcursor/CustomCursorPlugin.java

@@ -30,10 +30,18 @@ import java.io.File;
 import javax.imageio.ImageIO;
 import javax.inject.Inject;
 import lombok.extern.slf4j.Slf4j;
+import net.runelite.api.Client;
+import net.runelite.api.InventoryID;
+import net.runelite.api.Item;
+import net.runelite.api.ItemContainer;
+import net.runelite.api.EquipmentInventorySlot;
+import net.runelite.api.events.ItemContainerChanged;
 import net.runelite.client.RuneLite;
+import net.runelite.client.callback.ClientThread;
 import net.runelite.client.config.ConfigManager;
 import net.runelite.client.eventbus.Subscribe;
 import net.runelite.client.events.ConfigChanged;
+import net.runelite.client.game.ItemManager;
 import net.runelite.client.plugins.Plugin;
 import net.runelite.client.plugins.PluginDescriptor;
 import net.runelite.client.ui.ClientUI;
@@ -48,12 +56,21 @@ public class CustomCursorPlugin extends Plugin
 {
 	private static final File CUSTOM_IMAGE_FILE = new File(RuneLite.RUNELITE_DIR, "cursor.png");
 
+	@Inject
+	private Client client;
+
+	@Inject
+	private ClientThread clientThread;
+
 	@Inject
 	private ClientUI clientUI;
 
 	@Inject
 	private CustomCursorConfig config;
 
+	@Inject
+	private ItemManager itemManager;
+
 	@Provides
 	CustomCursorConfig provideConfig(ConfigManager configManager)
 	{
@@ -81,6 +98,15 @@ public class CustomCursorPlugin extends Plugin
 		}
 	}
 
+	@Subscribe
+	public void onItemContainerChanged(ItemContainerChanged event)
+	{
+		if (config.selectedCursor() == CustomCursor.EQUIPPED_WEAPON && event.getContainerId() == InventoryID.EQUIPMENT.getId())
+		{
+			updateCursor();
+		}
+	}
+
 	private void updateCursor()
 	{
 		CustomCursor selectedCursor = config.selectedCursor();
@@ -108,10 +134,45 @@ public class CustomCursorPlugin extends Plugin
 			{
 				clientUI.resetCursor();
 			}
-			return;
 		}
+		else if (selectedCursor == CustomCursor.EQUIPPED_WEAPON)
+		{
+			clientThread.invokeLater(() ->
+			{
+				final ItemContainer equipment = client.getItemContainer(InventoryID.EQUIPMENT);
 
-		assert selectedCursor.getCursorImage() != null;
+				if (equipment == null)
-		clientUI.setCursor(selectedCursor.getCursorImage(), selectedCursor.getName());
+				{
+					clientUI.resetCursor();
+					return;
+				}
+
+				final Item[] items = equipment.getItems();
+				final int weaponIdx = EquipmentInventorySlot.WEAPON.getSlotIdx();
+
+				if (items == null || weaponIdx >= items.length)
+				{
+					clientUI.resetCursor();
+					return;
+				}
+
+				final Item weapon = items[EquipmentInventorySlot.WEAPON.getSlotIdx()];
+				final BufferedImage image = itemManager.getImage(weapon.getId());
+
+				if (weapon.getQuantity() > 0)
+				{
+					clientUI.setCursor(image, selectedCursor.getName());
+				}
+				else
+				{
+					clientUI.resetCursor();
+				}
+			});
+		}
+		else
+		{
+			assert selectedCursor.getCursorImage() != null;
+			clientUI.setCursor(selectedCursor.getCursorImage(), selectedCursor.getName());
+		}
 	}
 }