From f8c8dcc7f36366dc6b59e6741d466e739322d5d1 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sun, 19 Jan 2014 00:54:38 +0000 Subject: Improved command blocks * Their command and previous output are displayed on the client * They have a BlockHandler implementation, so you can't place blocks on them anymore + As a side effect, implemented UpdateBlockEntity --- src/BlockEntities/CommandBlockEntity.cpp | 42 ++++++++++++++++++++++++++++---- src/Blocks/BlockCommandBlock.h | 32 ++++++++++++++++++++++++ src/Blocks/BlockHandler.cpp | 2 ++ src/ClientHandle.cpp | 9 +++++++ src/ClientHandle.h | 2 ++ src/Protocol/Protocol.h | 2 ++ src/Protocol/Protocol125.h | 1 + src/Protocol/Protocol17x.cpp | 25 +++++++++++++++++++ src/Protocol/Protocol17x.h | 2 ++ src/Protocol/ProtocolRecognizer.cpp | 10 ++++++++ src/Protocol/ProtocolRecognizer.h | 2 ++ 11 files changed, 124 insertions(+), 5 deletions(-) create mode 100644 src/Blocks/BlockCommandBlock.h (limited to 'src') diff --git a/src/BlockEntities/CommandBlockEntity.cpp b/src/BlockEntities/CommandBlockEntity.cpp index 543d47b7a..6e5c8087e 100644 --- a/src/BlockEntities/CommandBlockEntity.cpp +++ b/src/BlockEntities/CommandBlockEntity.cpp @@ -7,10 +7,11 @@ #include "json/json.h" #include "CommandBlockEntity.h" #include "../Entities/Player.h" +#include "../WorldStorage/FastNBT.h" -#include "CommandOutput.h" -#include "Root.h" -#include "Server.h" // ExecuteConsoleCommand() +#include "../CommandOutput.h" +#include "../Root.h" +#include "../Server.h" // ExecuteConsoleCommand() @@ -40,6 +41,15 @@ void cCommandBlockEntity::UsedBy(cPlayer * a_Player) void cCommandBlockEntity::SetCommand(const AString & a_Cmd) { m_Command = a_Cmd; + + /* + Vanilla requires that the server send a Block Entity Update after a command has been set + Therefore, command blocks don't support on-the-fly (when window is open) updating of a command and therefore... + ...the following code can't be put in UsedBy just before the window opens + + Just documenting my experience in getting this to work :P + */ + m_World->BroadcastBlockEntity(GetPosX(), GetPosY(), GetPosZ()); } @@ -131,8 +141,30 @@ bool cCommandBlockEntity::Tick(float a_Dt, cChunk & a_Chunk) void cCommandBlockEntity::SendTo(cClientHandle & a_Client) { - // Nothing needs to be sent - UNUSED(a_Client); + cFastNBTWriter Writer; + Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this + Writer.AddInt("SuccessCount", GetResult()); + Writer.AddInt("x", GetPosX()); + Writer.AddInt("y", GetPosY()); + Writer.AddInt("z", GetPosZ()); + Writer.AddString("Command", 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 (!GetLastOutput().empty()) + { + AString Output; + Printf(Output, "{\"text\":\"%s\"}", GetLastOutput().c_str()); + + Writer.AddString("LastOutput", Output.c_str()); + } + + Writer.Finish(); + + a_Client.SendUpdateBlockEntity(GetPosX(), GetPosY(), GetPosZ(), 2, Writer); } diff --git a/src/Blocks/BlockCommandBlock.h b/src/Blocks/BlockCommandBlock.h new file mode 100644 index 000000000..cf0103765 --- /dev/null +++ b/src/Blocks/BlockCommandBlock.h @@ -0,0 +1,32 @@ + +#pragma once + +#include "BlockEntity.h" + + + + + +class cBlockCommandBlockHandler : + public cBlockEntityHandler +{ +public: + cBlockCommandBlockHandler(BLOCKTYPE a_BlockType) + : cBlockEntityHandler(a_BlockType) + { + } + + virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override + { + a_Pickups.push_back(cItem(E_BLOCK_AIR, 8, 0)); + } + + virtual const char * GetStepSound(void) override + { + return "step.stone"; + } +} ; + + + + diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp index ff1022e12..b9c0887ce 100644 --- a/src/Blocks/BlockHandler.cpp +++ b/src/Blocks/BlockHandler.cpp @@ -14,6 +14,7 @@ #include "BlockChest.h" #include "BlockCloth.h" #include "BlockCobWeb.h" +#include "BlockCommandBlock.h" #include "BlockComparator.h" #include "BlockCrops.h" #include "BlockDeadBush.h" @@ -116,6 +117,7 @@ cBlockHandler * cBlockHandler::CreateBlockHandler(BLOCKTYPE a_BlockType) case E_BLOCK_CAULDRON: return new cBlockCauldronHandler (a_BlockType); case E_BLOCK_CHEST: return new cBlockChestHandler (a_BlockType); case E_BLOCK_COAL_ORE: return new cBlockOreHandler (a_BlockType); + case E_BLOCK_COMMAND_BLOCK: return new cBlockCommandBlockHandler (a_BlockType); case E_BLOCK_ACTIVE_COMPARATOR: return new cBlockComparatorHandler (a_BlockType); case E_BLOCK_COBBLESTONE: return new cBlockStoneHandler (a_BlockType); case E_BLOCK_COBBLESTONE_STAIRS: return new cBlockStairsHandler (a_BlockType); diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index faf583fbb..93dc78642 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -20,6 +20,7 @@ #include "Items/ItemHandler.h" #include "Blocks/BlockHandler.h" #include "Blocks/BlockSlab.h" +#include "WorldStorage/FastNBT.h" #include "Vector3f.h" #include "Vector3d.h" @@ -2203,6 +2204,14 @@ void cClientHandle::SendUnloadChunk(int a_ChunkX, int a_ChunkZ) +void cClientHandle::SendUpdateBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT) +{ + m_Protocol->SendUpdateBlockEntity(a_BlockX, a_BlockY, a_BlockZ, a_Action, a_NBT); +} + + + + void cClientHandle::SendUpdateSign( int a_BlockX, int a_BlockY, int a_BlockZ, diff --git a/src/ClientHandle.h b/src/ClientHandle.h index 373ca9e2e..2ac240b17 100644 --- a/src/ClientHandle.h +++ b/src/ClientHandle.h @@ -16,6 +16,7 @@ #include "OSSupport/SocketThreads.h" #include "ChunkDef.h" #include "ByteBuffer.h" +#include "WorldStorage/FastNBT.h" @@ -136,6 +137,7 @@ public: void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ); void SendTimeUpdate (Int64 a_WorldAge, Int64 a_TimeOfDay); void SendUnloadChunk (int a_ChunkX, int a_ChunkZ); + void SendUpdateBlockEntity (int a_BlockX, int a_BlockY, int a_BlockZ, Byte a_Action, cFastNBTWriter & a_NBT); 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); void SendUseBed (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ ); void SendWeather (eWeather a_Weather); diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h index 3293da32c..6af0af25d 100644 --- a/src/Protocol/Protocol.h +++ b/src/Protocol/Protocol.h @@ -12,6 +12,7 @@ #include "../Defines.h" #include "../Endianness.h" +#include "../WorldStorage/FastNBT.h" @@ -103,6 +104,7 @@ 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 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 d0e5c9428..97b194d76 100644 --- a/src/Protocol/Protocol125.h +++ b/src/Protocol/Protocol125.h @@ -79,6 +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 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 5b3a79555..01a6b0bde 100644 --- a/src/Protocol/Protocol17x.cpp +++ b/src/Protocol/Protocol17x.cpp @@ -892,6 +892,20 @@ 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) +{ + cPacketizer Pkt(*this, 0x35); // Update tile entity packet + Pkt.WriteInt(a_BlockX); + Pkt.WriteShort(a_BlockY); + Pkt.WriteInt(a_BlockZ); + Pkt.WriteByte(a_Action); + + Pkt.WriteBlockEntity(a_NBT); +} + + + + void cProtocol172::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) { @@ -1819,6 +1833,17 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item) +void cProtocol172::cPacketizer::WriteBlockEntity(const cFastNBTWriter & a_NBT) +{ + AString Compressed; + CompressStringGZIP(a_NBT.GetResult().data(), a_NBT.GetResult().size(), Compressed); + WriteShort(Compressed.size()); + WriteBuf(Compressed.data(), Compressed.size()); +} + + + + void cProtocol172::cPacketizer::WriteByteAngle(double a_Angle) { diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h index 07dba834b..6e04a0ffb 100644 --- a/src/Protocol/Protocol17x.h +++ b/src/Protocol/Protocol17x.h @@ -102,6 +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 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; @@ -189,6 +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); protected: cProtocol172 & m_Protocol; diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp index a21f4f042..579469fb4 100644 --- a/src/Protocol/ProtocolRecognizer.cpp +++ b/src/Protocol/ProtocolRecognizer.cpp @@ -636,6 +636,16 @@ 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) +{ + ASSERT(m_Protocol != NULL); + m_Protocol->SendUpdateBlockEntity(a_BlockX, a_BlockY, a_BlockZ, a_Action, a_NBT); +} + + + + + void cProtocolRecognizer::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) { ASSERT(m_Protocol != NULL); diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h index e94f4cde8..410ba556e 100644 --- a/src/Protocol/ProtocolRecognizer.h +++ b/src/Protocol/ProtocolRecognizer.h @@ -12,6 +12,7 @@ #include "Protocol.h" #include "../ByteBuffer.h" +#include "../WorldStorage/FastNBT.h" @@ -114,6 +115,7 @@ 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 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; -- cgit v1.2.3