defaultworld: add option to use last world as default

runelite-client/src/main/java/net/runelite/client/plugins/defaultworld/DefaultWorldConfig.java

@@ -28,9 +28,11 @@ import net.runelite.client.config.Config;
 import net.runelite.client.config.ConfigGroup;
 import net.runelite.client.config.ConfigItem;
 
-@ConfigGroup("defaultworld")
+@ConfigGroup(DefaultWorldConfig.GROUP)
 public interface DefaultWorldConfig extends Config
 {
+	final String GROUP = "defaultworld";
+
 	@ConfigItem(
 		keyName = "defaultWorld",
 		name = "Default world",
@@ -40,4 +42,32 @@ public interface DefaultWorldConfig extends Config
 	{
 		return 0;
 	}
+
+	@ConfigItem(
+		keyName = "useLastWorld",
+		name = "Use Last World",
+		description = "Use the last world you used as the default"
+	)
+	default boolean useLastWorld()
+	{
+		return false;
+	}
+
+	@ConfigItem(
+		keyName = "lastWorld",
+		name = "",
+		description = "",
+		hidden = true
+	)
+	default int lastWorld()
+	{
+		return 0;
+	}
+
+	@ConfigItem(
+		keyName = "lastWorld",
+		name = "",
+		description = ""
+	)
+	void lastWorld(int lastWorld);
 }

runelite-client/src/main/java/net/runelite/client/plugins/defaultworld/DefaultWorldPlugin.java

@@ -91,6 +91,11 @@ public class DefaultWorldPlugin extends Plugin
 	@Subscribe
 	public void onGameStateChanged(GameStateChanged event)
 	{
+		if (event.getGameState() == GameState.LOGGED_IN)
+		{
+			config.lastWorld(client.getWorld());
+		}
+
 		applyWorld();
 	}
 
@@ -155,7 +160,7 @@ public class DefaultWorldPlugin extends Plugin
 			log.debug("Stored old world {}", worldCache);
 		}
 
-		final int newWorld = config.getWorld();
+		final int newWorld = !config.useLastWorld() ? config.getWorld() : config.lastWorld();
 		changeWorld(newWorld);
 	}
 }