From 3559d9ba9ba1f949328ab112446c14afd3e47015 Mon Sep 17 00:00:00 2001
From: unknown <sethtstubbs@gmail.com>
Date: Tue, 27 Jun 2023 20:06:51 -0500
Subject: [PATCH] switched NPC autoincremented ID to atomic int

---
 core/entity/npc.go   | 11 +++++++----
 login/loginserver.go |  2 +-
 shard/shardserver.go |  2 +-
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/core/entity/npc.go b/core/entity/npc.go
index b948a87..15cf4d6 100644
--- a/core/entity/npc.go
+++ b/core/entity/npc.go
@@ -1,6 +1,10 @@
 package entity
 
-import "github.com/CPunch/gopenfusion/core/protocol"
+import (
+	"sync/atomic"
+
+	"github.com/CPunch/gopenfusion/core/protocol"
+)
 
 type NPC struct {
 	ID      int
@@ -12,12 +16,11 @@ type NPC struct {
 	Chunk   ChunkPosition
 }
 
-var nextNPCID = 0
+var nextNPCID = &atomic.Int32{}
 
 func NewNPC(X, Y, Z, Angle int, npcType int) *NPC {
-	nextNPCID++
 	return &NPC{
-		ID:      nextNPCID,
+		ID:      int(nextNPCID.Add(1)),
 		X:       X,
 		Y:       Y,
 		Z:       Z,
diff --git a/login/loginserver.go b/login/loginserver.go
index e7dbdb8..fda73b4 100644
--- a/login/loginserver.go
+++ b/login/loginserver.go
@@ -105,7 +105,7 @@ func (server *LoginServer) handlePacket(peer *protocol.CNPeer, typeID uint32, pk
 			return err
 		}
 	} else {
-		log.Printf("[WARN] invalid packet ID: %x\n", typeID)
+		log.Printf("[WARN] unknown packet ID: %x\n", typeID)
 	}
 
 	return nil
diff --git a/shard/shardserver.go b/shard/shardserver.go
index e8a049e..0d2b5fd 100644
--- a/shard/shardserver.go
+++ b/shard/shardserver.go
@@ -108,7 +108,7 @@ func (server *ShardServer) handlePacket(peer *protocol.CNPeer, typeID uint32, pk
 			return err
 		}
 	} else {
-		log.Printf("[WARN] invalid packet ID: %x\n", typeID)
+		log.Printf("[WARN] unknown packet ID: %x\n", typeID)
 	}
 
 	return nil