9 files changed, 24 insertions, 10 deletions
diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index d110f2af9..8e1842ec1 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -116,7 +116,7 @@ public:
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) = 0;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) = 0;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) = 0;
-	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay) = 0;
+	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) = 0;
 	virtual void SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) = 0;
 	virtual void SendUpdateBlockEntity   (cBlockEntity & a_BlockEntity) = 0;
 	virtual void SendUpdateSign          (int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) = 0;
diff --git a/src/Protocol/Protocol125.cpp b/src/Protocol/Protocol125.cpp
index 538d31642..a66c64309 100644
--- a/src/Protocol/Protocol125.cpp
+++ b/src/Protocol/Protocol125.cpp
@@ -1072,8 +1072,11 @@ void cProtocol125::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
 
 
 
-void cProtocol125::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay)
+void cProtocol125::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
+	// This protocol doesn't support a_DoDaylightCycle on false.
+	UNUSED(a_DoDaylightCycle);
+
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_UPDATE_TIME);
 	// Use a_WorldAge for daycount, and a_TimeOfDay for the proper time of day:
diff --git a/src/Protocol/Protocol125.h b/src/Protocol/Protocol125.h
index 3adac3055..1063777a2 100644
--- a/src/Protocol/Protocol125.h
+++ b/src/Protocol/Protocol125.h
@@ -88,7 +88,7 @@ public:
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) override;
-	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay) override;
+	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
 	virtual void SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) override;
 	virtual void SendUpdateBlockEntity   (cBlockEntity & a_BlockEntity) override {}
 	virtual void SendUpdateSign          (int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) override;
diff --git a/src/Protocol/Protocol14x.cpp b/src/Protocol/Protocol14x.cpp
index 8b177ea48..3b6b6a42a 100644
--- a/src/Protocol/Protocol14x.cpp
+++ b/src/Protocol/Protocol14x.cpp
@@ -130,8 +130,14 @@ void cProtocol142::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_Src
 
 
 
-void cProtocol142::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay)
+void cProtocol142::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
+	if (!a_DoDaylightCycle)
+	{
+		// When writing a "-" before the number the client ignores it but it will stop the client-side time expiration.
+		a_TimeOfDay = std::min(-a_TimeOfDay, -1LL);
+	}
+
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_UPDATE_TIME);
 	WriteInt64(a_WorldAge);
diff --git a/src/Protocol/Protocol14x.h b/src/Protocol/Protocol14x.h
index ca497bbc1..227cc8cc7 100644
--- a/src/Protocol/Protocol14x.h
+++ b/src/Protocol/Protocol14x.h
@@ -34,7 +34,7 @@ public:
 	// Sending commands (alphabetically sorted):
 	virtual void SendPickupSpawn        (const cPickup & a_Pickup) override;
 	virtual void SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
-	virtual void SendTimeUpdate         (Int64 a_WorldAge, Int64 a_TimeOfDay) override;
+	virtual void SendTimeUpdate         (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
 
 	// Specific packet parsers:
 	virtual int ParseLocaleViewDistance(void) override;
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 1f8ca00bb..56e73c1c1 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -1289,9 +1289,14 @@ void cProtocol172::SendThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ)
 
 
 
-void cProtocol172::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay)
+void cProtocol172::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
 	ASSERT(m_State == 3);  // In game mode?
+	if (!a_DoDaylightCycle)
+	{
+		// When writing a "-" before the number the client ignores it but it will stop the client-side time expiration.
+		a_TimeOfDay = std::min(-a_TimeOfDay, -1LL);
+	}
 	
 	cPacketizer Pkt(*this, 0x03);
 	Pkt.WriteInt64(a_WorldAge);
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index 9c9f563e0..ccfa19eb6 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -120,7 +120,7 @@ public:
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) override;
-	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay) override;
+	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
 	virtual void SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) override;
 	virtual void SendUpdateBlockEntity   (cBlockEntity & a_BlockEntity) override;
 	virtual void SendUpdateSign          (int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) override;
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index a7fb7bcc2..18694572a 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -716,10 +716,10 @@ void cProtocolRecognizer::SendThunderbolt(int a_BlockX, int a_BlockY, int a_Bloc
 
 
 
-void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay)
+void cProtocolRecognizer::SendTimeUpdate(Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle)
 {
 	ASSERT(m_Protocol != NULL);
-	m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay);
+	m_Protocol->SendTimeUpdate(a_WorldAge, a_TimeOfDay, a_DoDaylightCycle);
 }
 
 
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 65829ef73..28572a8fd 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -123,7 +123,7 @@ public:
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) override;
-	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay) override;
+	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
 	virtual void SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) override;
 	virtual void SendUpdateBlockEntity   (cBlockEntity & a_BlockEntity) override;
 	virtual void SendUpdateSign          (int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) override;