Item Highlighter

1package com.example;
2
3import net.runelite.api.Client;
4import net.runelite.api.events.ItemSpawned;
5import net.runelite.api.events.ItemDespawned;
6import net.runelite.api.TileItem;
7import net.runelite.api.coords.WorldPoint;
8import net.runelite.client.eventbus.Subscribe;
9import net.runelite.client.ui.overlay.Overlay;
10import net.runelite.client.ui.overlay.OverlayManager;
11import net.runelite.client.ui.overlay.OverlayLayer;
12import net.runelite.client.plugins.Plugin;
13import net.runelite.client.plugins.PluginDescriptor;
14import javax.inject.Inject;
15import java.awt.*;
16import java.util.HashSet;
17import java.util.Set;
18
19@PluginDescriptor(
20    name = "Item Highlighter",
21    description = "Highlights items on ground"
22)
23public class ItemHighlighterPlugin extends Plugin {
24    @Inject
25    private Client client;
26
27    @Inject
28    private OverlayManager overlayManager;
29
30    private final int[] highlightedItems = {995, 385}; // Coins, Shark
31    private final Set<TileItem> trackedItems = new HashSet<>();
32
33    @Subscribe
34    public void onItemSpawned(ItemSpawned event) {
35        TileItem item = event.getItem();
36        for (int itemId : highlightedItems) {
37            if (item.getId() == itemId) {
38                trackedItems.add(item);
39                break;
40            }
41        }
42    }
43
44    @Subscribe
45    public void onItemDespawned(ItemDespawned event) {
46        trackedItems.remove(event.getItem());
47    }
48
49    private final Overlay overlay = new Overlay() {
50        @Override
51        public Dimension render(Graphics2D graphics) {
52            // Only render tracked items (much better performance)
53            for (TileItem item : trackedItems) {
54                WorldPoint worldPoint = item.getTile().getWorldLocation();
55                net.runelite.api.coords.LocalPoint localPoint = 
56                    net.runelite.api.coords.LocalPoint.fromWorld(client, worldPoint);
57                if (localPoint != null) {
58                    Point screenPoint = net.runelite.api.Perspective
59                        .localToCanvas(client, localPoint, client.getPlane());
60                    if (screenPoint != null) {
61                        graphics.setColor(new Color(255, 255, 0, 100));
62                        graphics.fillOval(screenPoint.x - 10, screenPoint.y - 10, 20, 20);
63                        graphics.setColor(Color.YELLOW);
64                        graphics.drawOval(screenPoint.x - 10, screenPoint.y - 10, 20, 20);
65                    }
66                }
67            }
68
69            return null;
70        }
71    };
72
73    {
74        overlay.setLayer(OverlayLayer.ABOVE_SCENE);
75    }
76
77    @Override
78    protected void startUp() {
79        overlayManager.add(overlay);
80    }
81
82    @Override
83    protected void shutDown() {
84        overlayManager.remove(overlay);
85    }
86}