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// 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 "CommandBlockEntity.h"
#include "../CommandOutput.h"
#include "../Root.h"
#include "../Server.h" // ExecuteConsoleCommand()
#include "../ChatColor.h"
#include "../World.h"
#include "../ClientHandle.h"
cCommandBlockEntity::cCommandBlockEntity(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Vector3i a_Pos, cWorld * a_World):
Super(a_BlockType, a_BlockMeta, a_Pos, a_World),
m_ShouldExecute(false),
m_Result(0)
{
ASSERT(a_BlockType == E_BLOCK_COMMAND_BLOCK);
}
bool cCommandBlockEntity::UsedBy(cPlayer * a_Player)
{
// Nothing to do
UNUSED(a_Player);
return true;
}
void cCommandBlockEntity::SetCommand(const AString & a_Cmd)
{
m_Command = a_Cmd;
}
void cCommandBlockEntity::SetLastOutput(const AString & a_LastOut)
{
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::CopyFrom(const cBlockEntity & a_Src)
{
Super::CopyFrom(a_Src);
auto & src = static_cast<const cCommandBlockEntity &>(a_Src);
m_Command = src.m_Command;
m_LastOutput = src.m_LastOutput;
m_Result = src.m_Result;
m_ShouldExecute = src.m_ShouldExecute;
}
bool cCommandBlockEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
UNUSED(a_Dt);
UNUSED(a_Chunk);
if (!m_ShouldExecute)
{
return false;
}
m_ShouldExecute = false;
Execute();
return true;
}
void cCommandBlockEntity::SendTo(cClientHandle & a_Client)
{
a_Client.SendUpdateBlockEntity(*this);
}
void cCommandBlockEntity::Execute()
{
ASSERT(m_World != nullptr); // Execute should not be called before the command block is attached to a world
if (!m_World->AreCommandBlocksEnabled())
{
return;
}
if (m_Command.empty())
{
return;
}
class CommandBlockOutCb :
public cLogCommandDeleteSelfOutputCallback
{
cCommandBlockEntity * m_CmdBlock;
public:
CommandBlockOutCb(cCommandBlockEntity * a_CmdBlock) : m_CmdBlock(a_CmdBlock) {}
virtual void Out(const AString & a_Text)
{
// Overwrite field
m_CmdBlock->SetLastOutput(cClientHandle::FormatChatPrefix(m_CmdBlock->GetWorld()->ShouldUseChatPrefixes(), "SUCCESS", cChatColor::Green, cChatColor::White) + a_Text);
}
};
AString RealCommand = m_Command;
// Remove leading slash if it exists, since console commands don't use them
if (RealCommand[0] == '/')
{
RealCommand = RealCommand.substr(1, RealCommand.length());
}
// Administrator commands are not executable by command blocks:
if (
(RealCommand != "stop") &&
(RealCommand != "restart") &&
(RealCommand != "kick") &&
(RealCommand != "ban") &&
(RealCommand != "ipban")
)
{
cServer * Server = cRoot::Get()->GetServer();
LOGD("cCommandBlockEntity: Executing command %s", m_Command.c_str());
Server->QueueExecuteConsoleCommand(RealCommand, *new CommandBlockOutCb(this));
}
else
{
SetLastOutput(cClientHandle::FormatChatPrefix(GetWorld()->ShouldUseChatPrefixes(), "FAILURE", cChatColor::Rose, cChatColor::White) + "Adminstration commands can not be executed");
LOGD("cCommandBlockEntity: Prevented execution of administration command %s", m_Command.c_str());
}
// TODO 2014-01-18 xdot: Update the signal strength.
m_Result = 0;
}
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