From 1a4600bdc9d5ee3a5a63b9b1b1b11e4a0e2c18d6 Mon Sep 17 00:00:00 2001
From: DmitriyMX <dimon550@gmail.com>
Date: Mon, 3 May 2021 00:07:33 +0300
Subject: [PATCH] fix NPE

---
 protocol/src/main/java/mc/protocol/PacketInboundHandler.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/protocol/src/main/java/mc/protocol/PacketInboundHandler.java b/protocol/src/main/java/mc/protocol/PacketInboundHandler.java
index 451f3b7..68c3eaa 100644
--- a/protocol/src/main/java/mc/protocol/PacketInboundHandler.java
+++ b/protocol/src/main/java/mc/protocol/PacketInboundHandler.java
@@ -16,6 +16,8 @@ public class PacketInboundHandler extends SimpleChannelInboundHandler<Packet> {
 
 	@Override
 	protected void channelRead0(ChannelHandlerContext ctx, Packet packet) {
-		observedMap.get(packet.getClass()).tryEmitNext(new ChannelContext<>(ctx, packet));
+		if (observedMap.containsKey(packet.getClass())) {
+			observedMap.get(packet.getClass()).tryEmitNext(new ChannelContext<>(ctx, packet));
+		}
 	}
 }