Add support to stop erroring on Carpet Mod fake players

Author: Axionize

common/src/main/java/me/caseload/knockbacksync/listener/PlayerDamageListener.java

@@ -1,5 +1,6 @@
 package me.caseload.knockbacksync.listener;
 
+import com.github.retrooper.packetevents.protocol.player.User;
 import me.caseload.knockbacksync.Base;
 import me.caseload.knockbacksync.manager.PlayerDataManager;
 import me.caseload.knockbacksync.player.PlatformPlayer;
@@ -10,7 +11,10 @@ public void onPlayerDamage(PlatformPlayer victim, PlatformPlayer attacker) {
         if (!Base.INSTANCE.getConfigManager().isToggled())
             return;
 
-        PlayerData playerData = PlayerDataManager.getPlayerData(victim.getUser());
+        User user = victim.getUser();
+        if (user == null) return; // Prevent errors with fake players
+
+        PlayerData playerData = PlayerDataManager.getPlayerData(user);
         if (playerData == null)
             return;
 

common/src/main/java/me/caseload/knockbacksync/listener/PlayerKnockbackListener.java

@@ -1,5 +1,6 @@
 package me.caseload.knockbacksync.listener;
 
+import com.github.retrooper.packetevents.protocol.player.User;
 import com.github.retrooper.packetevents.protocol.world.states.WrappedBlockState;
 import com.github.retrooper.packetevents.protocol.world.states.type.StateTypes;
 import com.github.retrooper.packetevents.util.Vector3d;
@@ -14,7 +15,10 @@ public void onPlayerVelocity(PlatformPlayer victim, Vector3d velocity) {
         if (!Base.INSTANCE.getConfigManager().isToggled())
             return;
 
-        PlayerData victimPlayerData = PlayerDataManager.getPlayerData(victim.getUser());
+        User user = victim.getUser();
+        if (user == null) return; // Prevent errors with fake players
+
+        PlayerData victimPlayerData = PlayerDataManager.getPlayerData(user);
         if (victimPlayerData == null)
             return;