devtools plugin: add commands to get and set varbits

runelite-api/src/main/java/net/runelite/api/Client.java

@@ -167,6 +167,12 @@ public interface Client extends GameEngine
 
 	int getSetting(Varbits varbit);
 
+	void setSetting(Varbits varbit, int value);
+
+	int getVarbitValue(int varbit);
+
+	void setVarbitValue(int varbit, int value);
+
 	HashTable getWidgetFlags();
 
 	HashTable getComponentTable();

runelite-client/src/main/java/net/runelite/client/plugins/devtools/DevToolsPlugin.java

@@ -24,6 +24,7 @@
  */
 package net.runelite.client.plugins.devtools;
 
+import com.google.common.eventbus.EventBus;
 import com.google.common.eventbus.Subscribe;
 import com.google.inject.Provides;
 import java.awt.Font;
@@ -33,7 +34,10 @@ import java.util.Collection;
 import javax.imageio.ImageIO;
 import javax.inject.Inject;
 import lombok.extern.slf4j.Slf4j;
+import net.runelite.api.ChatMessageType;
+import net.runelite.api.Client;
 import net.runelite.api.events.CommandExecuted;
+import net.runelite.api.events.VarbitChanged;
 import net.runelite.api.widgets.Widget;
 import net.runelite.client.config.ConfigManager;
 import net.runelite.client.plugins.Plugin;
@@ -50,6 +54,9 @@ import net.runelite.client.ui.overlay.Overlay;
 @Slf4j
 public class DevToolsPlugin extends Plugin
 {
+	@Inject
+	private Client client;
+
 	@Inject
 	private PluginToolbar pluginToolbar;
 
@@ -62,6 +69,9 @@ public class DevToolsPlugin extends Plugin
 	@Inject
 	private BorderOverlay borderOverlay;
 
+	@Inject
+	private EventBus eventBus;
+
 	private boolean togglePlayers;
 	private boolean toggleNpcs;
 	private boolean toggleGroundItems;
@@ -123,9 +133,28 @@ public class DevToolsPlugin extends Plugin
 	}
 
 	@Subscribe
-	public void onCommand(CommandExecuted commandExecuted) {
-		if (commandExecuted.getCommand().equalsIgnoreCase("test")) {
-			log.debug("Test!");
+	public void onCommand(CommandExecuted commandExecuted)
+	{
+		String[] args = commandExecuted.getArguments();
+
+		switch (commandExecuted.getCommand())
+		{
+			case "getvar":
+			{
+				int varbit = Integer.parseInt(args[0]);
+				int value = client.getVarbitValue(varbit);
+				client.addChatMessage(ChatMessageType.SERVER, "", "Varbit " + varbit + ": " + value, null);
+				break;
+			}
+			case "setvar":
+			{
+				int varbit = Integer.parseInt(args[0]);
+				int value = Integer.parseInt(args[1]);
+				client.setVarbitValue(varbit, value);
+				client.addChatMessage(ChatMessageType.SERVER, "", "Set varbit " + varbit + " to " + value, null);
+				eventBus.post(new VarbitChanged()); // fake event
+				break;
+			}
 		}
 	}
 

runelite-mixins/src/main/java/net/runelite/mixins/VarbitMixin.java

@@ -55,6 +55,21 @@ public abstract class VarbitMixin implements RSClient
 	public int getSetting(Varbits varbit)
 	{
 		int varbitId = varbit.getId();
+		return getVarbitValue(varbitId);
+	}
+
+	@Inject
+	@Override
+	public void setSetting(Varbits varbit, int value)
+	{
+		int varbitId = varbit.getId();
+		setVarbitValue(varbitId, value);
+	}
+
+	@Inject
+	@Override
+	public int getVarbitValue(int varbitId)
+	{
 		RSVarbit v = varbitCache.getIfPresent(varbitId);
 		if (v == null)
 		{
@@ -71,4 +86,24 @@ public abstract class VarbitMixin implements RSClient
 		int mask = (1 << ((msb - lsb) + 1)) - 1;
 		return (value >> lsb) & mask;
 	}
+
+	@Inject
+	@Override
+	public void setVarbitValue(int varbitId, int value)
+	{
+		RSVarbit v = varbitCache.getIfPresent(varbitId);
+		if (v == null)
+		{
+			client.getVarbit(varbitId); // load varbit into cache
+			RSNodeCache varbits = client.getVarbitCache();
+			v = (RSVarbit) varbits.get(varbitId); // get from cache
+			varbitCache.put(varbitId, v);
+		}
+
+		int[] varps = getVarps();
+		int lsb = v.getLeastSignificantBit();
+		int msb = v.getMostSignificantBit();
+		int mask = (1 << ((msb - lsb) + 1)) - 1;
+		varps[v.getIndex()] = (varps[v.getIndex()] & ~(mask << lsb)) | ((value & mask) << lsb);
+	}
 }