alchemicalhydra

alchemicalhydra/HydraPoisonOverlay.java

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+package net.runelite.client.plugins.alchemicalhydra;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+import java.awt.Polygon;
+import java.awt.geom.Area;
+import java.util.HashSet;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import net.runelite.api.Client;
+import static net.runelite.api.Perspective.getCanvasTileAreaPoly;
+import net.runelite.api.coords.LocalPoint;
+import net.runelite.client.ui.overlay.Overlay;
+import net.runelite.client.ui.overlay.OverlayLayer;
+import net.runelite.client.ui.overlay.OverlayPosition;
+
+@Singleton
+class HydraPoisonOverlay extends Overlay
+{
+	private final HydraPlugin plugin;
+	private final Client client;
+
+	@Inject
+	public HydraPoisonOverlay(Client client, HydraPlugin plugin)
+	{
+		setPosition(OverlayPosition.DYNAMIC);
+		setLayer(OverlayLayer.UNDER_WIDGETS);
+		this.plugin = plugin;
+		this.client = client;
+	}
+
+	@Override
+	public Dimension render(Graphics2D graphics)
+	{
+		final HashSet<LocalPoint> initialPoints = plugin.getPoisonPoints();
+		Area poisonTiles = new Area();
+		for (LocalPoint point : initialPoints)
+		{
+			Polygon poly = getCanvasTileAreaPoly(client, point, 3);
+			if (poly == null)
+			{
+				break;
+			}
+
+			poisonTiles.add(new Area(poly));
+		}
+
+		if (poisonTiles.isEmpty())
+		{
+			return null;
+		}
+		graphics.setPaintMode();
+		graphics.setColor(new Color(255, 0, 0, 75));
+		graphics.draw(poisonTiles);
+		graphics.setColor(new Color(255, 0, 0, 30));
+		graphics.fill(poisonTiles);
+
+		return null;
+	}
+}