From 6d1038669a9a188015f7a19aed41084d8752891c Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sat, 20 Jan 2018 13:40:13 +0500
Subject: Fixed some UB detected by GCC UB-sanitizer

---
 src/GameState.cpp | 4 ++--
 src/Section.cpp   | 6 ++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/GameState.cpp b/src/GameState.cpp
index a2f7d87..de9f1d7 100644
--- a/src/GameState.cpp
+++ b/src/GameState.cpp
@@ -52,11 +52,11 @@ void GameState::UpdatePacket(std::shared_ptr<Packet> ptr)
         case SpawnGlobalEntity:
             break;
         case SpawnMob: {
-            auto packet = std::static_pointer_cast<PacketSpawnObject>(ptr);
+            auto packet = std::static_pointer_cast<PacketSpawnMob>(ptr);
             Entity entity;
             entity.entityId = packet->EntityId;
             entity.pos = VectorF(packet->X, packet->Y, packet->Z);
-            entity.uuid = packet->ObjectUuid;
+            entity.uuid = packet->EntityUuid;
             entity.vel = Entity::DecodeVelocity(packet->VelocityX, packet->VelocityY, packet->VelocityZ);
             entity.yaw = packet->Yaw / 256.0;
             entity.pitch = packet->Pitch / 256.0;
diff --git a/src/Section.cpp b/src/Section.cpp
index 1083538..2f72411 100644
--- a/src/Section.cpp
+++ b/src/Section.cpp
@@ -4,6 +4,12 @@
 #include <cstring>
 
 void Section::CalculateHash() const {
+    if (block.empty()) {
+        hash = 0;
+        return;
+    }
+
+
     size_t offset = 0;
 
     std::vector<unsigned char> rawData;    
-- 
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