xp trackers: fix not correctly fetching start xp

runelite-client/src/main/java/net/runelite/client/plugins/crystalmathlabs/CrystalMathLabs.java

@@ -33,6 +33,7 @@ import net.runelite.api.GameState;
 import net.runelite.api.Player;
 import net.runelite.api.Skill;
 import net.runelite.api.events.GameStateChanged;
+import net.runelite.api.events.GameTick;
 import net.runelite.client.eventbus.Subscribe;
 import net.runelite.client.plugins.Plugin;
 import net.runelite.client.plugins.PluginDescriptor;
@@ -62,6 +63,7 @@ public class CrystalMathLabs extends Plugin
 	private Client client;
 
 	private String lastUsername;
+	private boolean fetchXp;
 	private long lastXp;
 
 	@Subscribe
@@ -94,6 +96,16 @@ public class CrystalMathLabs extends Plugin
 		}
 	}
 
+	@Subscribe
+	public void onGameTick(GameTick gameTick)
+	{
+		if (fetchXp)
+		{
+			lastXp = getTotalXp();
+			fetchXp = false;
+		}
+	}
+
 	private long getTotalXp()
 	{
 		long total = 0;

runelite-client/src/main/java/net/runelite/client/plugins/xptracker/XpTrackerPlugin.java

@@ -103,6 +103,7 @@ public class XpTrackerPlugin extends Plugin
 	private XpWorldType lastWorldType;
 	private String lastUsername;
 	private long lastTickMillis = 0;
+	private boolean fetchXp;
 	private long lastXp = 0;
 
 	private final XpClient xpClient = new XpClient();
@@ -174,7 +175,8 @@ public class XpTrackerPlugin extends Plugin
 					firstNonNull(type, "<unknown>"));
 
 				lastUsername = client.getUsername();
-				lastXp = getTotalXp();
+				// xp is not available until after login is finished, so fetch it on the next gametick
+				fetchXp = true;
 				lastWorldType = type;
 				resetState();
 			}
@@ -331,6 +333,11 @@ public class XpTrackerPlugin extends Plugin
 	public void onGameTick(GameTick event)
 	{
 		rebuildSkills();
+		if (fetchXp)
+		{
+			lastXp = getTotalXp();
+			fetchXp = false;
+		}
 	}
 
 	XpSnapshotSingle getSkillSnapshot(Skill skill)