6 files changed, 46 insertions, 13 deletions

diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index 6af0af25d..ac925e382 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -12,7 +12,6 @@
 
 #include "../Defines.h"
 #include "../Endianness.h"
-#include "../WorldStorage/FastNBT.h"
 
 
 
@@ -104,7 +103,7 @@ public:
 	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 SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) = 0;
-	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT) = 0;
+	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, 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;
 	virtual void SendUseBed              (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) = 0;
 	virtual void SendWeather             (eWeather a_Weather) = 0;
diff --git a/src/Protocol/Protocol125.h b/src/Protocol/Protocol125.h
index 97b194d76..ec72ddd01 100644
--- a/src/Protocol/Protocol125.h
+++ b/src/Protocol/Protocol125.h
@@ -79,7 +79,7 @@ public:
 	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 SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) override;
-	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT) override {};
+	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, 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;
 	virtual void SendUseBed              (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) override;
 	virtual void SendWeather             (eWeather a_Weather) override;
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 01a6b0bde..c85641ca8 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -24,6 +24,7 @@ Implements the 1.7.x protocol classes:
 #include "../Entities/Player.h"
 #include "../Mobs/IncludeAllMonsters.h"
 #include "../UI/Window.h"
+#include "../BlockEntities/CommandBlockEntity.h"
 
 
 
@@ -892,7 +893,7 @@ void cProtocol172::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
 
 
 
-void cProtocol172::SendUpdateBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT)
+void cProtocol172::SendUpdateBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cBlockEntity & a_BlockEntity)
 {
 	cPacketizer Pkt(*this, 0x35);  // Update tile entity packet
 	Pkt.WriteInt(a_BlockX);
@@ -900,7 +901,7 @@ void cProtocol172::SendUpdateBlockEntity(int a_BlockX, int a_BlockY, int a_Block
 	Pkt.WriteInt(a_BlockZ);
 	Pkt.WriteByte(a_Action);
 
-	Pkt.WriteBlockEntity(a_NBT);
+	Pkt.WriteBlockEntity(a_BlockEntity);
 }
 
 
@@ -1833,10 +1834,44 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
 
 
 
-void cProtocol172::cPacketizer::WriteBlockEntity(const cFastNBTWriter & a_NBT)
+void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEntity)
 {
+	cFastNBTWriter Writer;
+
+	switch (a_BlockEntity.GetBlockType())
+	{
+		case E_BLOCK_COMMAND_BLOCK:
+		{
+			cCommandBlockEntity & CommandBlockEntity = (cCommandBlockEntity &)a_BlockEntity;
+
+			Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this
+			Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult());
+			Writer.AddInt("x", CommandBlockEntity.GetPosX());
+			Writer.AddInt("y", CommandBlockEntity.GetPosY());
+			Writer.AddInt("z", CommandBlockEntity.GetPosZ());
+			Writer.AddString("Command", CommandBlockEntity.GetCommand().c_str());
+			// You can set custom names for windows in Vanilla
+			// For a command block, this would be the 'name' prepended to anything it outputs into global chat
+			// MCS doesn't have this, so just leave it @ '@'. (geddit?)
+			Writer.AddString("CustomName", "@");
+			Writer.AddString("id", "Control"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+
+			if (!CommandBlockEntity.GetLastOutput().empty())
+			{
+				AString Output;
+				Printf(Output, "{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str());
+
+				Writer.AddString("LastOutput", Output.c_str());
+			}
+			break;
+		}
+		default: break;
+	}
+
+	Writer.Finish();
+
 	AString Compressed;
-	CompressStringGZIP(a_NBT.GetResult().data(), a_NBT.GetResult().size(), Compressed);
+	CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
 	WriteShort(Compressed.size());
 	WriteBuf(Compressed.data(), Compressed.size());
 }
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index 6e04a0ffb..b1d902507 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -102,7 +102,7 @@ public:
 	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 SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) override;
-	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT) override;
+	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, 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;
 	virtual void SendUseBed              (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) override;
 	virtual void SendWeather             (eWeather a_Weather) override;
@@ -190,7 +190,7 @@ protected:
 		void WriteEntityMetadata(const cEntity & a_Entity);  // Writes the metadata for the specified entity, not including the terminating 0x7f
 		void WriteMobMetadata(const cMonster & a_Mob);  // Writes the mob-specific metadata for the specified mob
 		void WriteEntityProperties(const cEntity & a_Entity);  // Writes the entity properties for the specified entity, including the Count field
-		void WriteBlockEntity(const cFastNBTWriter & a_NBT);
+		void WriteBlockEntity(const cBlockEntity & a_BlockEntity);
 		
 	protected:
 		cProtocol172 & m_Protocol;
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index 579469fb4..86f46f02f 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -636,10 +636,10 @@ void cProtocolRecognizer::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
 
 
 
-void cProtocolRecognizer::SendUpdateBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT)
+void cProtocolRecognizer::SendUpdateBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cBlockEntity & a_BlockEntity)
 {
 	ASSERT(m_Protocol != NULL);
-	m_Protocol->SendUpdateBlockEntity(a_BlockX, a_BlockY, a_BlockZ, a_Action, a_NBT);
+	m_Protocol->SendUpdateBlockEntity(a_BlockX, a_BlockY, a_BlockZ, a_Action, a_BlockEntity);
 }
 
 
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 410ba556e..c1c8abdd5 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -12,7 +12,6 @@
 
 #include "Protocol.h"
 #include "../ByteBuffer.h"
-#include "../WorldStorage/FastNBT.h"
 
 
 
@@ -115,7 +114,7 @@ public:
 	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 SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) override;
-	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT) override;
+	virtual void SendUpdateBlockEntity   (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, 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;
 	virtual void SendUseBed              (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ) override;
 	virtual void SendWeather             (eWeather a_Weather) override;