From eb0f713b6a5a7107a97284d1728858b4b2882c3d Mon Sep 17 00:00:00 2001 From: Howaner Date: Fri, 9 May 2014 23:43:00 +0200 Subject: [PATCH] Add block place/break distance check. --- src/ClientHandle.cpp | 21 +++++++++++++++++++++ src/Defines.h | 10 ++++++++++ 2 files changed, 31 insertions(+) diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index 1535b0482..d1962506d 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -1016,6 +1016,17 @@ void cClientHandle::HandleBlockDigFinished(int a_BlockX, int a_BlockY, int a_Blo } cWorld * World = m_Player->GetWorld(); + + if ( + (Diff(m_Player->GetPosX(), (double)a_BlockX) > 6) || + (Diff(m_Player->GetPosY(), (double)a_BlockY) > 6) || + (Diff(m_Player->GetPosZ(), (double)a_BlockZ) > 6) + ) + { + m_Player->GetWorld()->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player); + return; + } + ItemHandler->OnBlockDestroyed(World, m_Player, m_Player->GetEquippedItem(), a_BlockX, a_BlockY, a_BlockZ); // The ItemHandler is also responsible for spawning the pickups cChunkInterface ChunkInterface(World->GetChunkMap()); @@ -1191,6 +1202,16 @@ void cClientHandle::HandlePlaceBlock(int a_BlockX, int a_BlockY, int a_BlockZ, e // The block is being placed outside the world, ignore this packet altogether (#128) return; } + + if ( + (Diff(m_Player->GetPosX(), (double)a_BlockX) > 6) || + (Diff(m_Player->GetPosY(), (double)a_BlockY) > 6) || + (Diff(m_Player->GetPosZ(), (double)a_BlockZ) > 6) + ) + { + m_Player->GetWorld()->SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, m_Player); + return; + } World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, ClickedBlock, ClickedBlockMeta); diff --git a/src/Defines.h b/src/Defines.h index 9fa3b3a8e..b0b209934 100644 --- a/src/Defines.h +++ b/src/Defines.h @@ -3,6 +3,7 @@ #include "ChatColor.h" #include +#include @@ -528,6 +529,15 @@ inline float GetSpecialSignf( float a_Val ) +template inline int Diff(T a_Val1, T a_Val2) +{ + return std::abs(a_Val1 - a_Val2); +} + + + + + // tolua_begin enum eMessageType