npc indicators: separate sw true tile and regular overlay

runelite-client/src/main/java/net/runelite/client/game/npcoverlay/HighlightedNpc.java

@@ -45,6 +45,7 @@ public class HighlightedNpc
 	boolean tile;
 	boolean trueTile;
 	boolean swTile;
+	boolean swTrueTile;
 	boolean outline;
 	boolean name;
 	boolean nameOnMinimap;

runelite-client/src/main/java/net/runelite/client/game/npcoverlay/NpcOverlay.java

@@ -118,6 +118,18 @@ class NpcOverlay extends Overlay
 		}
 
 		if (highlightedNpc.isSwTile())
+		{
+			int size = npcComposition.getSize();
+			LocalPoint lp = actor.getLocalLocation();
+
+			int x = lp.getX() - ((size - 1) * Perspective.LOCAL_TILE_SIZE / 2);
+			int y = lp.getY() - ((size - 1) * Perspective.LOCAL_TILE_SIZE / 2);
+
+			Polygon southWestTilePoly = Perspective.getCanvasTilePoly(client, new LocalPoint(x, y));
+			renderPoly(graphics, borderColor, borderWidth, fillColor, southWestTilePoly);
+		}
+
+		if (highlightedNpc.isSwTrueTile())
 		{
 			LocalPoint lp = LocalPoint.fromWorld(client, actor.getWorldLocation());
 			if (lp != null)

runelite-client/src/main/java/net/runelite/client/plugins/npchighlight/NpcIndicatorsConfig.java

@@ -92,6 +92,18 @@ public interface NpcIndicatorsConfig extends Config
 
 	@ConfigItem(
 		position = 4,
+		keyName = "highlightSouthWestTrueTile",
+		name = "Highlight south west true tile",
+		description = "Configures whether or not NPC should be highlighted by south western true tile",
+		section = renderStyleSection
+	)
+	default boolean highlightSouthWestTrueTile()
+	{
+		return false;
+	}
+
+	@ConfigItem(
+		position = 5,
 		keyName = "highlightOutline",
 		name = "Highlight outline",
 		description = "Configures whether or not the model of the NPC should be highlighted by outline",

runelite-client/src/main/java/net/runelite/client/plugins/npchighlight/NpcIndicatorsPlugin.java

@@ -662,6 +662,7 @@ public class NpcIndicatorsPlugin extends Plugin
 			.tile(config.highlightTile())
 			.trueTile(config.highlightTrueTile())
 			.swTile(config.highlightSouthWestTile())
+			.swTrueTile(config.highlightSouthWestTrueTile())
 			.outline(config.highlightOutline())
 			.name(config.drawNames())
 			.nameOnMinimap(config.drawMinimapNames())