1 files changed, 207 insertions, 0 deletions
diff --git a/src/BlockEntities/CommandBlockEntity.cpp b/src/BlockEntities/CommandBlockEntity.cpp
new file mode 100644
index 000000000..7e9015d33
--- /dev/null
+++ b/src/BlockEntities/CommandBlockEntity.cpp
@@ -0,0 +1,207 @@
+
+// CommandBlockEntity.cpp
+
+// Implements the cCommandBlockEntity class representing a single command block in the world
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+#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()
+
+
+
+
+
+cCommandBlockEntity::cCommandBlockEntity(int a_X, int a_Y, int a_Z, cWorld * a_World) :
+	super(E_BLOCK_COMMAND_BLOCK, a_X, a_Y, a_Z, a_World),
+	m_ShouldExecute(false),
+	m_IsPowered(false)
+{}
+
+
+
+
+
+
+void cCommandBlockEntity::UsedBy(cPlayer * a_Player)
+{
+	// Nothing to do
+	UNUSED(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());
+}
+
+
+
+
+
+void cCommandBlockEntity::SetLastOutput(const AString & a_LastOut)
+{
+	m_World->BroadcastBlockEntity(GetPosX(), GetPosY(), GetPosZ());
+	m_LastOutput = a_LastOut;
+}
+
+
+
+
+
+void cCommandBlockEntity::SetResult(const NIBBLETYPE a_Result)
+{
+	m_Result = a_Result;
+}
+
+
+
+
+
+const AString & cCommandBlockEntity::GetCommand(void) const
+{
+	return m_Command;
+}
+
+
+
+
+
+const AString & cCommandBlockEntity::GetLastOutput(void) const
+{
+	return m_LastOutput;
+}
+
+
+
+
+
+NIBBLETYPE cCommandBlockEntity::GetResult(void) const
+{
+	return m_Result;
+}
+
+
+
+
+
+void cCommandBlockEntity::Activate(void)
+{
+	m_ShouldExecute = true;
+}
+
+
+
+
+
+void cCommandBlockEntity::SetRedstonePower(bool a_IsPowered)
+{
+	if (a_IsPowered && !m_IsPowered)
+	{
+		Activate();
+	}
+	m_IsPowered = a_IsPowered;
+}
+
+
+
+
+
+bool cCommandBlockEntity::Tick(float a_Dt, cChunk & a_Chunk)
+{
+	if (!m_ShouldExecute)
+	{
+		return false;
+	}
+	
+	m_ShouldExecute = false;
+	Execute();
+	return true;
+}
+
+
+
+
+
+void cCommandBlockEntity::SendTo(cClientHandle & a_Client)
+{
+	a_Client.SendUpdateBlockEntity(*this);
+}
+
+
+
+
+
+bool cCommandBlockEntity::LoadFromJson(const Json::Value & a_Value)
+{
+	m_Command = a_Value.get("Command", "").asString();
+
+	m_LastOutput = a_Value.get("LastOutput", "").asString();
+
+	return true;
+}
+
+
+
+
+
+void cCommandBlockEntity::SaveToJson(Json::Value & a_Value)
+{
+	a_Value["Command"] = m_Command;
+
+	a_Value["LastOutput"] = m_LastOutput;
+}
+
+
+
+
+
+void cCommandBlockEntity::Execute()
+{
+	class CommandBlockOutCb :
+		public cCommandOutputCallback
+	{
+		cCommandBlockEntity* m_CmdBlock;
+
+	public:
+		CommandBlockOutCb(cCommandBlockEntity* a_CmdBlock) : m_CmdBlock(a_CmdBlock) {}
+
+		virtual void Out(const AString & a_Text)
+		{
+			ASSERT(m_CmdBlock != NULL);
+
+			// Overwrite field
+			m_CmdBlock->SetLastOutput(a_Text);
+		}
+	} CmdBlockOutCb(this);
+
+	LOGD("cCommandBlockEntity: Executing command %s", m_Command.c_str());
+
+	cServer* Server = cRoot::Get()->GetServer();
+
+	Server->ExecuteConsoleCommand(m_Command, CmdBlockOutCb);
+
+	// TODO 2014-01-18 xdot: Update the signal strength.
+	m_Result = 0;
+}
+
+
+
+