diff --git a/src/Authenticator.cpp b/src/Authenticator.cpp
index bd6db1c11..ff5ad9506 100644
--- a/src/Authenticator.cpp
+++ b/src/Authenticator.cpp
@@ -109,11 +109,12 @@ void cAuthenticator::Execute(void)
 		}
 		ASSERT(!m_Queue.empty());
 		
-		int ClientID = m_Queue.front().m_ClientID;
-		AString UserName = m_Queue.front().m_Name;
+		cAuthenticator::cUser & User = m_Queue.front();
+		int ClientID = User.m_ClientID;
+		AString UserName = User.m_Name;
 		AString ActualAddress = m_Address;
 		ReplaceString(ActualAddress, "%USERNAME%", UserName);
-		ReplaceString(ActualAddress, "%SERVERID%", m_Queue.front().m_ServerID);
+		ReplaceString(ActualAddress, "%SERVERID%", User.m_ServerID);
 		m_Queue.pop_front();
 		Lock.Unlock();
 
diff --git a/src/BlockEntities/DispenserEntity.cpp b/src/BlockEntities/DispenserEntity.cpp
index e03bf776d..f5b9c8923 100644
--- a/src/BlockEntities/DispenserEntity.cpp
+++ b/src/BlockEntities/DispenserEntity.cpp
@@ -128,7 +128,8 @@ void cDispenserEntity::DropSpenseFromSlot(cChunk & a_Chunk, int a_SlotNum)
 			if (DispChunk->GetBlock(DispX, DispY, DispZ) == E_BLOCK_AIR)
 			{
 				DispChunk->SetBlock(DispX, DispY, DispZ, E_BLOCK_FIRE, 0);
-				m_Contents.SetSlot(a_SlotNum, m_Contents.GetSlot(a_SlotNum).m_ItemType, m_Contents.GetSlot(a_SlotNum).m_ItemCount, m_Contents.GetSlot(a_SlotNum).m_ItemDamage + 1);
+				const cItem& slot = m_Contents.GetSlot(a_SlotNum);
+				m_Contents.SetSlot(a_SlotNum, slot.m_ItemType, slot.m_ItemCount, slot.m_ItemDamage + 1);
 				// If the durability has run out destroy the item.
 				if (m_Contents.GetSlot(a_SlotNum).m_ItemDamage > 64)
 				{				
diff --git a/src/BlockEntities/FurnaceEntity.cpp b/src/BlockEntities/FurnaceEntity.cpp
index 7d6d1f89e..1b1741713 100644
--- a/src/BlockEntities/FurnaceEntity.cpp
+++ b/src/BlockEntities/FurnaceEntity.cpp
@@ -413,19 +413,20 @@ bool cFurnaceEntity::CanCookInputToOutput(void) const
 		return false;
 	}
 	
-	if (m_Contents.GetSlot(fsOutput).IsEmpty())
+	const cItem & Slot = m_Contents.GetSlot(fsOutput);
+	if (Slot.IsEmpty())
 	{
 		// The output is empty, can cook
 		return true;
 	}
 
-	if (!m_Contents.GetSlot(fsOutput).IsEqual(*m_CurrentRecipe->Out))
+	if (!Slot.IsEqual(*m_CurrentRecipe->Out))
 	{
 		// The output slot is blocked with something that cannot be stacked with the recipe's output
 		return false;
 	}
 	
-	if (m_Contents.GetSlot(fsOutput).IsFullStack())
+	if (Slot.IsFullStack())
 	{
 		// Cannot add any more items to the output slot
 		return false;
diff --git a/src/BlockEntities/HopperEntity.cpp b/src/BlockEntities/HopperEntity.cpp
index 41fb9f811..7f001c739 100644
--- a/src/BlockEntities/HopperEntity.cpp
+++ b/src/BlockEntities/HopperEntity.cpp
@@ -234,24 +234,27 @@ bool cHopperEntity::MovePickupsIn(cChunk & a_Chunk, Int64 a_CurrentTick)
 
 		bool TrySuckPickupIn(cPickup * a_Pickup)
 		{
+			cItem & Item = a_Pickup->GetItem();
+
 			for (int i = 0; i < ContentsWidth * ContentsHeight; i++)
 			{
 				if (m_Contents.IsSlotEmpty(i))
 				{
 					m_bFoundPickupsAbove = true;
-					m_Contents.SetSlot(i, a_Pickup->GetItem());
+					m_Contents.SetSlot(i, Item);
 					a_Pickup->Destroy(); // Kill pickup
 
 					return true;
 				}
-				else if (m_Contents.GetSlot(i).IsEqual(a_Pickup->GetItem()) && !m_Contents.GetSlot(i).IsFullStack())
+				else if (m_Contents.GetSlot(i).IsEqual(Item) && !m_Contents.GetSlot(i).IsFullStack())
 				{
 					m_bFoundPickupsAbove = true;
 
 					int PreviousCount = m_Contents.GetSlot(i).m_ItemCount;
-					a_Pickup->GetItem().m_ItemCount -= m_Contents.ChangeSlotCount(i, a_Pickup->GetItem().m_ItemCount) - PreviousCount; // Set count to however many items were added
 					
-					if (a_Pickup->GetItem().IsEmpty())
+					Item.m_ItemCount -= m_Contents.ChangeSlotCount(i, Item.m_ItemCount) - PreviousCount; // Set count to however many items were added
+					
+					if (Item.IsEmpty())
 					{
 						a_Pickup->Destroy(); // Kill pickup if all items were added
 					}
diff --git a/src/Blocks/BlockChest.h b/src/Blocks/BlockChest.h
index a1ded4c26..c9a769c75 100644
--- a/src/Blocks/BlockChest.h
+++ b/src/Blocks/BlockChest.h
@@ -56,6 +56,7 @@ public:
 			(Area.GetRelBlockType(2, 0, 1) == E_BLOCK_CHEST)
 		)
 		{
+			// FIXME: This is unreachable, as the condition is the same as the above one
 			a_BlockMeta = (yaw < 0) ? 4 : 5;
 			return true;
 		}
diff --git a/src/Blocks/BlockRail.h b/src/Blocks/BlockRail.h
index ad78d290a..358b5ca11 100644
--- a/src/Blocks/BlockRail.h
+++ b/src/Blocks/BlockRail.h
@@ -141,7 +141,7 @@ public:
 		NIBBLETYPE Meta = 0;
 		char RailsCnt = 0;
 		bool Neighbors[8]; // 0 - EAST, 1 - WEST, 2 - NORTH, 3 - SOUTH, 4 - EAST UP, 5 - WEST UP, 6 - NORTH UP, 7 - SOUTH UP
-		memset(Neighbors, false, sizeof(Neighbors));
+		memset(Neighbors, 0, sizeof(Neighbors));
 		Neighbors[0] = (IsUnstable(a_ChunkInterface, a_BlockX + 1, a_BlockY, a_BlockZ) || !IsNotConnected(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST, E_PURE_DOWN));
 		Neighbors[1] = (IsUnstable(a_ChunkInterface, a_BlockX - 1, a_BlockY, a_BlockZ) || !IsNotConnected(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST, E_PURE_DOWN));
 		Neighbors[2] = (IsUnstable(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ - 1) || !IsNotConnected(a_ChunkInterface, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH, E_PURE_DOWN));
diff --git a/src/BoundingBox.cpp b/src/BoundingBox.cpp
index 482f9923f..ce831c200 100644
--- a/src/BoundingBox.cpp
+++ b/src/BoundingBox.cpp
@@ -288,7 +288,7 @@ bool cBoundingBox::CalcLineIntersection(const Vector3d & a_Min, const Vector3d &
 		Coeff = c;
 	}
 	c = a_Line1.LineCoeffToXZPlane(a_Line2, a_Max.y);
-	if ((c >= 0) && (c >= 0) && (c < Coeff) && IsInside(a_Min, a_Max, a_Line1 + (a_Line2 - a_Line1) * c))
+	if ((c >= 0) && (c < Coeff) && IsInside(a_Min, a_Max, a_Line1 + (a_Line2 - a_Line1) * c))
 	{
 		Face = (a_Line1.y > a_Line2.y) ? BLOCK_FACE_YP : BLOCK_FACE_YM;
 		Coeff = c;
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index fe9cd9b31..acefd98ed 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -452,7 +452,7 @@ void cChunk::CollectMobCensus(cMobCensus& toFill)
 		{
 			cMonster& Monster = (cMonster&)(**itr);
 			currentPosition = Monster.GetPosition();
-			for (std::list<const Vector3d*>::const_iterator itr2 = playerPositions.begin(); itr2 != playerPositions.end(); itr2 ++)
+			for (std::list<const Vector3d*>::const_iterator itr2 = playerPositions.begin(); itr2 != playerPositions.end(); ++itr2)
 			{
 				toFill.CollectMob(Monster,*this,(currentPosition-**itr2).SqrLength());
 			}
@@ -600,7 +600,7 @@ void cChunk::Tick(float a_Dt)
 				delete ToDelete;
 				continue;
 			}
-			itr++;
+			++itr;
 	}  // for itr - m_Entitites[]
 	
 	// If any entity moved out of the chunk, move it to the neighbor:
diff --git a/src/Chunk.h b/src/Chunk.h
index b3fa563cc..774770028 100644
--- a/src/Chunk.h
+++ b/src/Chunk.h
@@ -382,10 +382,10 @@ private:
 	
 	struct sSetBlockQueueItem
 	{
+		Int64 m_Tick;
 		int m_RelX, m_RelY, m_RelZ;
 		BLOCKTYPE m_BlockType;
 		NIBBLETYPE m_BlockMeta;
-		Int64 m_Tick;
 		BLOCKTYPE m_PreviousType;
 		
 		sSetBlockQueueItem(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Int64 a_Tick, BLOCKTYPE a_PreviousBlockType) :
diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp
index 83eae2665..ed9103174 100644
--- a/src/ChunkMap.cpp
+++ b/src/ChunkMap.cpp
@@ -1656,7 +1656,7 @@ void cChunkMap::AddEntity(cEntity * a_Entity)
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), ZERO_CHUNK_Y, a_Entity->GetChunkZ());
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		LOGWARNING("Entity at %p (%s, ID %d) spawning in a non-existent chunk, the entity is lost.",
 			a_Entity, a_Entity->GetClass(), a_Entity->GetUniqueID()
@@ -1691,7 +1691,7 @@ void cChunkMap::RemoveEntity(cEntity * a_Entity)
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), ZERO_CHUNK_Y, a_Entity->GetChunkZ());
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
 	}
@@ -1723,7 +1723,7 @@ bool cChunkMap::ForEachEntityInChunk(int a_ChunkX, int a_ChunkZ, cEntityCallback
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -1973,7 +1973,7 @@ bool cChunkMap::ForEachBlockEntityInChunk(int a_ChunkX, int a_ChunkZ, cBlockEnti
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -1988,7 +1988,7 @@ bool cChunkMap::ForEachChestInChunk(int a_ChunkX, int a_ChunkZ, cChestCallback &
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2003,7 +2003,7 @@ bool cChunkMap::ForEachDispenserInChunk(int a_ChunkX, int a_ChunkZ, cDispenserCa
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2018,7 +2018,7 @@ bool cChunkMap::ForEachDropperInChunk(int a_ChunkX, int a_ChunkZ, cDropperCallba
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2033,7 +2033,7 @@ bool cChunkMap::ForEachDropSpenserInChunk(int a_ChunkX, int a_ChunkZ, cDropSpens
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2048,7 +2048,7 @@ bool cChunkMap::ForEachFurnaceInChunk(int a_ChunkX, int a_ChunkZ, cFurnaceCallba
 {
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2066,7 +2066,7 @@ bool cChunkMap::DoWithBlockEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ, cB
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2084,7 +2084,7 @@ bool cChunkMap::DoWithChestAt(int a_BlockX, int a_BlockY, int a_BlockZ, cChestCa
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2102,7 +2102,7 @@ bool cChunkMap::DoWithDispenserAt(int a_BlockX, int a_BlockY, int a_BlockZ, cDis
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2120,7 +2120,7 @@ bool cChunkMap::DoWithDropperAt(int a_BlockX, int a_BlockY, int a_BlockZ, cDropp
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2138,7 +2138,7 @@ bool cChunkMap::DoWithDropSpenserAt(int a_BlockX, int a_BlockY, int a_BlockZ, cD
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2156,7 +2156,7 @@ bool cChunkMap::DoWithFurnaceAt(int a_BlockX, int a_BlockY, int a_BlockZ, cFurna
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2173,7 +2173,7 @@ bool cChunkMap::DoWithNoteBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cNot
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2190,7 +2190,7 @@ bool cChunkMap::DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, c
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2208,7 +2208,7 @@ bool cChunkMap::DoWithMobHeadAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHe
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2226,7 +2226,7 @@ bool cChunkMap::DoWithFlowerPotAt(int a_BlockX, int a_BlockY, int a_BlockZ, cFlo
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
@@ -2244,7 +2244,7 @@ bool cChunkMap::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString &
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
-	if ((Chunk == NULL) && !Chunk->IsValid())
+	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
 	}
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 5876e55c7..c0df49827 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -412,14 +412,16 @@ void cClientHandle::HandlePing(void)
 {
 	// Somebody tries to retrieve information about the server
 	AString Reply;
+	cServer * Server = cRoot::Get()->GetServer();
+
 	Printf(Reply, "%s%s%i%s%i", 
-		cRoot::Get()->GetServer()->GetDescription().c_str(),
+		Server->GetDescription().c_str(),
 		cChatColor::Delimiter.c_str(),
-		cRoot::Get()->GetServer()->GetNumPlayers(),
+		Server->GetNumPlayers(),
 		cChatColor::Delimiter.c_str(),
-		cRoot::Get()->GetServer()->GetMaxPlayers()
+		Server->GetMaxPlayers()
 	);
-	Kick(Reply.c_str());
+	Kick(Reply);
 }
 
 
@@ -1171,12 +1173,12 @@ void cClientHandle::HandleChat(const AString & a_Message)
 	cCompositeChat Msg;
 	AString Color = m_Player->GetColor();
 	if (Color.length() == 3)
-	{
+	{ 
 		Color = AString("@") + Color[2];
 	}
 	else
-	{
-		Color.empty();
+	{ 
+		Color.clear();
 	}
 	Msg.AddTextPart(AString("<") + m_Player->GetName() + "> ", Color);
 	Msg.ParseText(a_Message);
@@ -1678,7 +1680,7 @@ void cClientHandle::Tick(float a_Dt)
 
 	// Send a ping packet:
 	cTimer t1;
-	if ((m_LastPingTime + cClientHandle::PING_TIME_MS <= t1.GetNowTime()))
+	if (m_LastPingTime + cClientHandle::PING_TIME_MS <= t1.GetNowTime())
 	{
 		m_PingID++;
 		m_PingStartTime = t1.GetNowTime();
diff --git a/src/CraftingRecipes.cpp b/src/CraftingRecipes.cpp
index 30e7a8733..fb32c9cf3 100644
--- a/src/CraftingRecipes.cpp
+++ b/src/CraftingRecipes.cpp
@@ -661,14 +661,16 @@ cCraftingRecipes::cRecipe * cCraftingRecipes::MatchRecipe(const cItem * a_Crafti
 		ASSERT(itrS->x + a_OffsetX < a_GridWidth);
 		ASSERT(itrS->y + a_OffsetY < a_GridHeight);
 		int GridID = (itrS->x + a_OffsetX) + a_GridStride * (itrS->y + a_OffsetY);
+		
+		const cItem & Item = itrS->m_Item;
 		if (
 			(itrS->x >= a_GridWidth) || 
 			(itrS->y >= a_GridHeight) ||
-			(itrS->m_Item.m_ItemType != a_CraftingGrid[GridID].m_ItemType) ||       // same item type?
-			(itrS->m_Item.m_ItemCount > a_CraftingGrid[GridID].m_ItemCount) ||  // not enough items
+			(Item.m_ItemType != a_CraftingGrid[GridID].m_ItemType) ||       // same item type?
+			(Item.m_ItemCount > a_CraftingGrid[GridID].m_ItemCount) ||  // not enough items
 			(
-				(itrS->m_Item.m_ItemDamage > 0) &&  // should compare damage values?
-				(itrS->m_Item.m_ItemDamage != a_CraftingGrid[GridID].m_ItemDamage)
+				(Item.m_ItemDamage > 0) &&  // should compare damage values?
+				(Item.m_ItemDamage != a_CraftingGrid[GridID].m_ItemDamage)
 			)
 		)
 		{
diff --git a/src/Crypto.cpp b/src/Crypto.cpp
index 26500f263..16be5ec35 100644
--- a/src/Crypto.cpp
+++ b/src/Crypto.cpp
@@ -206,7 +206,7 @@ int cRSAPrivateKey::Encrypt(const Byte * a_PlainData, size_t a_PlainLength, Byte
 		ASSERT(!"Invalid a_DecryptedMaxLength!");
 		return -1;
 	}
-	if (a_EncryptedMaxLength < m_Rsa.len)
+	if (a_PlainLength < m_Rsa.len)
 	{
 		LOGD("%s: Invalid a_PlainLength: got %u, exp at least %u",
 			__FUNCTION__, (unsigned)a_PlainLength, (unsigned)(m_Rsa.len)
diff --git a/src/DeadlockDetect.cpp b/src/DeadlockDetect.cpp
index 322084dc4..38a3c369e 100644
--- a/src/DeadlockDetect.cpp
+++ b/src/DeadlockDetect.cpp
@@ -112,18 +112,21 @@ void cDeadlockDetect::CheckWorldAge(const AString & a_WorldName, Int64 a_Age)
 		ASSERT(!"Unknown world in cDeadlockDetect");
 		return;
 	}
-	if (itr->second.m_Age == a_Age)
+
+	cDeadlockDetect::sWorldAge & WorldAge = itr->second;
+
+	if (WorldAge.m_Age == a_Age)
 	{
-		itr->second.m_NumCyclesSame += 1;
-		if (itr->second.m_NumCyclesSame > (1000 * m_IntervalSec) / CYCLE_MILLISECONDS)
+		WorldAge.m_NumCyclesSame += 1;
+		if (WorldAge.m_NumCyclesSame > (1000 * m_IntervalSec) / CYCLE_MILLISECONDS)
 		{
 			DeadlockDetected();
 		}
 	}
 	else
 	{
-		itr->second.m_Age = a_Age;
-		itr->second.m_NumCyclesSame = 0;
+		WorldAge.m_Age = a_Age;
+		WorldAge.m_NumCyclesSame = 0;
 	}
 }
 
diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index 7f38aa35a..2814ce33c 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -795,7 +795,7 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 		{
 			BLOCKTYPE BlockXM = m_World->GetBlock((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
 			BLOCKTYPE BlockXP = m_World->GetBlock((int)floor(GetPosX()) + 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
-			BLOCKTYPE BlockZM = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) + 1);
+			BLOCKTYPE BlockZM = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) - 1);
 			BLOCKTYPE BlockZP = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) + 1);
 			if (
 				(!IsBlockRail(BlockXM) && cBlockInfo::IsSolid(BlockXM)) ||
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 7f2e5b4c2..df656ffa1 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -85,9 +85,10 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
 	if (!LoadFromDisk())
 	{
 		m_Inventory.Clear();
-		SetPosX(cRoot::Get()->GetDefaultWorld()->GetSpawnX());
-		SetPosY(cRoot::Get()->GetDefaultWorld()->GetSpawnY());
-		SetPosZ(cRoot::Get()->GetDefaultWorld()->GetSpawnZ());
+		cWorld * DefaultWorld = cRoot::Get()->GetDefaultWorld();
+		SetPosX(DefaultWorld->GetSpawnX());
+		SetPosY(DefaultWorld->GetSpawnY());
+		SetPosZ(DefaultWorld->GetSpawnZ());
 		
 		LOGD("Player \"%s\" is connecting for the first time, spawning at default world spawn {%.2f, %.2f, %.2f}",
 			a_PlayerName.c_str(), GetPosX(), GetPosY(), GetPosZ()
@@ -1165,7 +1166,7 @@ Vector3d cPlayer::GetThrowSpeed(double a_SpeedCoeff) const
 
 
 
-void cPlayer::ForceSetSpeed(Vector3d a_Direction)
+void cPlayer::ForceSetSpeed(const Vector3d & a_Direction)
 {
 	SetSpeed(a_Direction);
 	m_ClientHandle->SendEntityVelocity(*this);
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index 05377a117..74da409cf 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -181,7 +181,7 @@ public:
 	void LoginSetGameMode(eGameMode a_GameMode);
 
 	/** Forces the player to move in the given direction. */
-	void ForceSetSpeed(Vector3d a_Direction); // tolua_export
+	void ForceSetSpeed(const Vector3d & a_Direction); // tolua_export
 
 	/** Tries to move to a new position, with attachment-related checks (y == -999) */
 	void MoveTo(const Vector3d & a_NewPos);  // tolua_export
diff --git a/src/FurnaceRecipe.cpp b/src/FurnaceRecipe.cpp
index 1810d7c49..bd7fd8079 100644
--- a/src/FurnaceRecipe.cpp
+++ b/src/FurnaceRecipe.cpp
@@ -56,7 +56,6 @@ void cFurnaceRecipe::ReloadRecipes(void)
 	std::ifstream f;
 	char a_File[] = "furnace.txt";
 	f.open(a_File, std::ios::in);
-	std::string input;
 
 	if (!f.good())
 	{
diff --git a/src/Generating/Caves.cpp b/src/Generating/Caves.cpp
index 98b7c8681..5cad11d2a 100644
--- a/src/Generating/Caves.cpp
+++ b/src/Generating/Caves.cpp
@@ -200,13 +200,14 @@ void cCaveTunnel::Randomize(cNoise & a_Noise)
 	for (int i = 0; i < 4; i++)
 	{
 		// For each already present point, insert a point in between it and its predecessor, shifted randomly.
-		int PrevX = m_Points.front().m_BlockX;
-		int PrevY = m_Points.front().m_BlockY;
-		int PrevZ = m_Points.front().m_BlockZ;
-		int PrevR = m_Points.front().m_Radius;
+		cCaveDefPoint & Point = m_Points.front();
+		int PrevX = Point.m_BlockX;
+		int PrevY = Point.m_BlockY;
+		int PrevZ = Point.m_BlockZ;
+		int PrevR = Point.m_Radius;
 		cCaveDefPoints Pts;
 		Pts.reserve(m_Points.size() * 2 + 1);
-		Pts.push_back(m_Points.front());
+		Pts.push_back(Point);
 		for (cCaveDefPoints::const_iterator itr = m_Points.begin() + 1, end = m_Points.end(); itr != end; ++itr)
 		{
 			int Random = a_Noise.IntNoise3DInt(PrevX, PrevY, PrevZ + i) / 11;
@@ -244,11 +245,12 @@ bool cCaveTunnel::RefineDefPoints(const cCaveDefPoints & a_Src, cCaveDefPoints &
 	a_Dst.clear();
 	a_Dst.reserve(Num * 2 + 2);
 	cCaveDefPoints::const_iterator itr = a_Src.begin() + 1;
-	a_Dst.push_back(a_Src.front());
-	int PrevX = a_Src.front().m_BlockX;
-	int PrevY = a_Src.front().m_BlockY;
-	int PrevZ = a_Src.front().m_BlockZ;
-	int PrevR = a_Src.front().m_Radius;
+	const cCaveDefPoint & Source = a_Src.front();
+	a_Dst.push_back(Source);
+	int PrevX = Source.m_BlockX;
+	int PrevY = Source.m_BlockY;
+	int PrevZ = Source.m_BlockZ;
+	int PrevR = Source.m_Radius;
 	for (int i = 0; i <= Num; ++i, ++itr)
 	{
 		int dx = itr->m_BlockX - PrevX;
@@ -310,9 +312,10 @@ void cCaveTunnel::FinishLinear(void)
 	std::swap(Pts, m_Points);
 
 	m_Points.reserve(Pts.size() * 3);
-	int PrevX = Pts.front().m_BlockX;
-	int PrevY = Pts.front().m_BlockY;
-	int PrevZ = Pts.front().m_BlockZ;
+	cCaveDefPoint & PrevPoint = Pts.front();
+	int PrevX = PrevPoint.m_BlockX;
+	int PrevY = PrevPoint.m_BlockY;
+	int PrevZ = PrevPoint.m_BlockZ;
 	for (cCaveDefPoints::const_iterator itr = Pts.begin() + 1, end = Pts.end(); itr != end; ++itr)
 	{
 		int x1 = itr->m_BlockX;
@@ -433,9 +436,10 @@ void cCaveTunnel::FinishLinear(void)
 
 void cCaveTunnel::CalcBoundingBox(void)
 {
-	m_MinBlockX = m_MaxBlockX = m_Points.front().m_BlockX;
-	m_MinBlockY = m_MaxBlockY = m_Points.front().m_BlockY;
-	m_MinBlockZ = m_MaxBlockZ = m_Points.front().m_BlockZ;
+	cCaveDefPoint & Point = m_Points.front();
+	m_MinBlockX = m_MaxBlockX = Point.m_BlockX;
+	m_MinBlockY = m_MaxBlockY = Point.m_BlockY;
+	m_MinBlockZ = m_MaxBlockZ = Point.m_BlockZ;
 	for (cCaveDefPoints::const_iterator itr = m_Points.begin() + 1, end = m_Points.end(); itr != end; ++itr)
 	{
 		m_MinBlockX = std::min(m_MinBlockX, itr->m_BlockX - itr->m_Radius);
diff --git a/src/Generating/MineShafts.cpp b/src/Generating/MineShafts.cpp
index 231295c3f..bbb022d85 100644
--- a/src/Generating/MineShafts.cpp
+++ b/src/Generating/MineShafts.cpp
@@ -684,7 +684,7 @@ void cMineShaftCorridor::ProcessChunk(cChunkDesc & a_ChunkDesc)
 				}
 				if ((z2 >= 0) && (z2 < cChunkDef::Width))
 				{
-					a_ChunkDesc.SetBlockTypeMeta(x, y1, z2, E_BLOCK_FENCE, 0);
+					a_ChunkDesc.SetBlockTypeMeta(x, y1, z2, E_BLOCK_FENCE, 0); //-V525
 					a_ChunkDesc.SetBlockTypeMeta(x, y2, z2, E_BLOCK_FENCE, 0);
 					a_ChunkDesc.SetBlockTypeMeta(x, y3, z2, E_BLOCK_PLANKS, 0);
 				}
diff --git a/src/Generating/Ravines.cpp b/src/Generating/Ravines.cpp
index e64f55214..267dcbbf9 100644
--- a/src/Generating/Ravines.cpp
+++ b/src/Generating/Ravines.cpp
@@ -269,7 +269,7 @@ void cStructGenRavines::cRavine::GenerateBaseDefPoints(int a_BlockX, int a_Block
 	int CenterZ = a_BlockZ + OffsetZ;
 	
 	// Get the base angle in which the ravine "axis" goes:
-	float Angle = (float)(((float)((a_Noise.IntNoise3DInt(20 * a_BlockX, 70 * a_BlockZ, 6000) / 9) % 16384)) / 16384.0 * 3.141592653);
+	float Angle = (float)(((float)((a_Noise.IntNoise3DInt(20 * a_BlockX, 70 * a_BlockZ, 6000) / 9) % 16384)) / 16384.0 * M_PI);
 	float xc = sin(Angle);
 	float zc = cos(Angle);
 	
@@ -311,12 +311,13 @@ void cStructGenRavines::cRavine::RefineDefPoints(const cRavDefPoints & a_Src, cR
 	a_Dst.clear();
 	a_Dst.reserve(Num * 2 + 2);
 	cRavDefPoints::const_iterator itr = a_Src.begin() + 1;
-	a_Dst.push_back(a_Src.front());
-	int PrevX = a_Src.front().m_BlockX;
-	int PrevZ = a_Src.front().m_BlockZ;
-	int PrevR = a_Src.front().m_Radius;
-	int PrevT = a_Src.front().m_Top;
-	int PrevB = a_Src.front().m_Bottom;
+	const cRavDefPoint & Source = a_Src.front();
+	a_Dst.push_back(Source);
+	int PrevX = Source.m_BlockX;
+	int PrevZ = Source.m_BlockZ;
+	int PrevR = Source.m_Radius;
+	int PrevT = Source.m_Top;
+	int PrevB = Source.m_Bottom;
 	for (int i = 0; i <= Num; ++i, ++itr)
 	{
 		int dx = itr->m_BlockX - PrevX;
diff --git a/src/Group.cpp b/src/Group.cpp
index 9c2467144..725740905 100644
--- a/src/Group.cpp
+++ b/src/Group.cpp
@@ -7,7 +7,7 @@
 
 
 
-void cGroup::AddCommand( AString a_Command )
+void cGroup::AddCommand( const AString & a_Command )
 {
 	m_Commands[ a_Command ] = true;
 }
@@ -16,7 +16,7 @@ void cGroup::AddCommand( AString a_Command )
 
 
 
-void cGroup::AddPermission( AString a_Permission )
+void cGroup::AddPermission( const AString & a_Permission )
 {
 	m_Permissions[ a_Permission ] = true;
 }
diff --git a/src/Group.h b/src/Group.h
index 8bee6f7ed..47088d50d 100644
--- a/src/Group.h
+++ b/src/Group.h
@@ -11,11 +11,11 @@ public:			// tolua_export
 	cGroup() {}
 	~cGroup() {}
 
-	void SetName( AString a_Name ) { m_Name = a_Name; }				// tolua_export
+	void SetName( const AString & a_Name ) { m_Name = a_Name; }				// tolua_export
 	const AString & GetName() const { return m_Name; }				// tolua_export
-	void SetColor( AString a_Color ) { m_Color = a_Color; }			// tolua_export
-	void AddCommand( AString a_Command );							// tolua_export
-	void AddPermission( AString a_Permission );						// tolua_export
+	void SetColor( const AString & a_Color ) { m_Color = a_Color; }			// tolua_export
+	void AddCommand( const AString & a_Command );							// tolua_export
+	void AddPermission( const AString & a_Permission );						// tolua_export
 	void InheritFrom( cGroup* a_Group );							// tolua_export
 
 	typedef std::map< AString, bool > PermissionMap;
diff --git a/src/Item.cpp b/src/Item.cpp
index 856b68be6..9e41c246d 100644
--- a/src/Item.cpp
+++ b/src/Item.cpp
@@ -196,9 +196,6 @@ bool cItem::IsEnchantable(short item)
 		return true;
 	if ((item >= 298) && (item <= 317))
 		return true;
-	if ((item >= 290) && (item <= 294))
-		return true;
-
 	if ((item == 346) || (item == 359) || (item == 261))
 		return true;
 
diff --git a/src/Items/ItemHandler.cpp b/src/Items/ItemHandler.cpp
index 1e77717e3..5151eac38 100644
--- a/src/Items/ItemHandler.cpp
+++ b/src/Items/ItemHandler.cpp
@@ -431,7 +431,6 @@ bool cItemHandler::IsTool()
 		|| (m_ItemType >= 267 && m_ItemType <= 279)
 		|| (m_ItemType >= 283 && m_ItemType <= 286)
 		|| (m_ItemType >= 290 && m_ItemType <= 294)
-		|| (m_ItemType >= 256 && m_ItemType <= 259)
 		|| (m_ItemType == 325)
 		|| (m_ItemType == 346);
 }
diff --git a/src/Items/ItemHandler.h b/src/Items/ItemHandler.h
index 5b6c239cc..686f4b439 100644
--- a/src/Items/ItemHandler.h
+++ b/src/Items/ItemHandler.h
@@ -58,8 +58,8 @@ public:
 
 	struct FoodInfo
 	{
-		int    FoodLevel;
 		double Saturation;
+		int    FoodLevel;
 		int    PoisonChance;	 // 0 - 100, in percent. 0 = no chance of poisoning, 100 = sure poisoning
 
 		FoodInfo(int a_FoodLevel, double a_Saturation, int a_PoisonChance = 0) :
diff --git a/src/MobProximityCounter.cpp b/src/MobProximityCounter.cpp
index 6c44ea458..519757c2c 100644
--- a/src/MobProximityCounter.cpp
+++ b/src/MobProximityCounter.cpp
@@ -34,7 +34,7 @@ void cMobProximityCounter::CollectMob(cEntity& a_Monster, cChunk& a_Chunk, doubl
 
 void cMobProximityCounter::convertMaps()
 {
-	for(tMonsterToDistance::const_iterator itr = m_MonsterToDistance.begin(); itr != m_MonsterToDistance.end(); itr++)
+	for(tMonsterToDistance::const_iterator itr = m_MonsterToDistance.begin(); itr != m_MonsterToDistance.end(); ++itr)
 	{
 		m_DistanceToMonster.insert(tDistanceToMonster::value_type(itr->second.m_Distance,sMonsterAndChunk(*itr->first,itr->second.m_Chunk)));
 	}
@@ -55,7 +55,7 @@ cMobProximityCounter::sIterablePair cMobProximityCounter::getMobWithinThosesDist
 		convertMaps();
 	}
 
-	for(tDistanceToMonster::const_iterator itr = m_DistanceToMonster.begin(); itr != m_DistanceToMonster.end(); itr++)
+	for(tDistanceToMonster::const_iterator itr = m_DistanceToMonster.begin(); itr != m_DistanceToMonster.end(); ++itr)
 	{
 		if (toReturn.m_Begin == m_DistanceToMonster.end())
 		{
diff --git a/src/MobSpawner.cpp b/src/MobSpawner.cpp
index 05da5d01c..ce8e06777 100644
--- a/src/MobSpawner.cpp
+++ b/src/MobSpawner.cpp
@@ -13,7 +13,7 @@ cMobSpawner::cMobSpawner(cMonster::eFamily a_MonsterFamily,const std::set<cMonst
 	m_NewPack(true),
 	m_MobType(cMonster::mtInvalidType)
 {
-	for (std::set<cMonster::eType>::const_iterator itr = a_AllowedTypes.begin(); itr != a_AllowedTypes.end(); itr++)
+	for (std::set<cMonster::eType>::const_iterator itr = a_AllowedTypes.begin(); itr != a_AllowedTypes.end(); ++itr)
 	{
 		if (cMonster::FamilyFromType(*itr) == a_MonsterFamily)
 		{
@@ -112,7 +112,7 @@ cMonster::eType cMobSpawner::ChooseMobType(EMCSBiome a_Biome)
 
 		for(int i = 0; i < iRandom; i++)
 		{
-			itr++;
+			++itr;
 		}
 
 		return *itr;
diff --git a/src/Mobs/Sheep.cpp b/src/Mobs/Sheep.cpp
index c64360153..b3d4d93c1 100644
--- a/src/Mobs/Sheep.cpp
+++ b/src/Mobs/Sheep.cpp
@@ -36,7 +36,8 @@ void cSheep::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 void cSheep::OnRightClicked(cPlayer & a_Player)
 {
-	if ((a_Player.GetEquippedItem().m_ItemType == E_ITEM_SHEARS) && (!m_IsSheared))
+	const cItem & EquippedItem = a_Player.GetEquippedItem();
+	if ((EquippedItem.m_ItemType == E_ITEM_SHEARS) && (!m_IsSheared))
 	{
 		m_IsSheared = true;
 		m_World->BroadcastEntityMetadata(*this);
@@ -51,9 +52,9 @@ void cSheep::OnRightClicked(cPlayer & a_Player)
 		Drops.push_back(cItem(E_BLOCK_WOOL, NumDrops, m_WoolColor));
 		m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ(), 10);
 	}
-	if ((a_Player.GetEquippedItem().m_ItemType == E_ITEM_DYE) && (m_WoolColor != 15 - a_Player.GetEquippedItem().m_ItemDamage))
+	else if ((EquippedItem.m_ItemType == E_ITEM_DYE) && (m_WoolColor != 15 - EquippedItem.m_ItemDamage))
 	{
-		m_WoolColor = 15 - a_Player.GetEquippedItem().m_ItemDamage;
+		m_WoolColor = 15 - EquippedItem.m_ItemDamage;
 		if (!a_Player.IsGameModeCreative())
 		{
 			a_Player.GetInventory().RemoveOneEquippedItem();
diff --git a/src/Mobs/Wolf.h b/src/Mobs/Wolf.h
index 9e5ad03c7..5925373e1 100644
--- a/src/Mobs/Wolf.h
+++ b/src/Mobs/Wolf.h
@@ -37,7 +37,7 @@ public:
 	void SetIsTame     (bool a_IsTame)      { m_IsTame = a_IsTame; }
 	void SetIsBegging  (bool a_IsBegging)   { m_IsBegging = a_IsBegging; }
 	void SetIsAngry    (bool a_IsAngry)     { m_IsAngry = a_IsAngry; }
-	void SetOwner      (AString a_NewOwner) { m_OwnerName = a_NewOwner; }
+	void SetOwner      (const AString & a_NewOwner) { m_OwnerName = a_NewOwner; }
 	void SetCollarColor(int a_CollarColor)  { m_CollarColor = a_CollarColor; }
 
 protected:
diff --git a/src/Noise.cpp b/src/Noise.cpp
index 32922c8f3..efbb128c3 100644
--- a/src/Noise.cpp
+++ b/src/Noise.cpp
@@ -840,12 +840,14 @@ void cPerlinNoise::Generate2D(
 	}
 	
 	// Generate the first octave directly into array:
-	m_Octaves.front().m_Noise.Generate2D(
+	const cOctave & FirstOctave = m_Octaves.front();
+	
+	FirstOctave.m_Noise.Generate2D(
 		a_Workspace, a_SizeX, a_SizeY,
-		a_StartX * m_Octaves.front().m_Frequency, a_EndX * m_Octaves.front().m_Frequency,
-		a_StartY * m_Octaves.front().m_Frequency, a_EndY * m_Octaves.front().m_Frequency
+		a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
+		a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency
 	);
-	NOISE_DATATYPE Amplitude = m_Octaves.front().m_Amplitude;
+	NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
 	for (int i = 0; i < ArrayCount; i++)
 	{
 		a_Array[i] *= Amplitude;
@@ -902,13 +904,15 @@ void cPerlinNoise::Generate3D(
 	}
 	
 	// Generate the first octave directly into array:
-	m_Octaves.front().m_Noise.Generate3D(
+	const cOctave & FirstOctave = m_Octaves.front();
+
+	FirstOctave.m_Noise.Generate3D(
 		a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
-		a_StartX * m_Octaves.front().m_Frequency, a_EndX * m_Octaves.front().m_Frequency,
-		a_StartY * m_Octaves.front().m_Frequency, a_EndY * m_Octaves.front().m_Frequency,
-		a_StartZ * m_Octaves.front().m_Frequency, a_EndZ * m_Octaves.front().m_Frequency
+		a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
+		a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency,
+		a_StartZ * FirstOctave.m_Frequency, a_EndZ * FirstOctave.m_Frequency
 	);
-	NOISE_DATATYPE Amplitude = m_Octaves.front().m_Amplitude;
+	NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
 	for (int i = 0; i < ArrayCount; i++)
 	{
 		a_Array[i] = a_Workspace[i] * Amplitude;
diff --git a/src/Protocol/Protocol125.cpp b/src/Protocol/Protocol125.cpp
index bf946ef19..7ae359e10 100644
--- a/src/Protocol/Protocol125.cpp
+++ b/src/Protocol/Protocol125.cpp
@@ -537,9 +537,10 @@ void cProtocol125::SendHealth(void)
 {
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_UPDATE_HEALTH);
-	WriteShort((short)m_Client->GetPlayer()->GetHealth());
-	WriteShort((short)m_Client->GetPlayer()->GetFoodLevel());
-	WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel());
+	cPlayer * Player = m_Client->GetPlayer();
+	WriteShort((short)Player->GetHealth());
+	WriteShort((short)Player->GetFoodLevel());
+	WriteFloat((float)Player->GetFoodSaturationLevel());
 	Flush();
 }
 
@@ -647,13 +648,14 @@ void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup)
 	cCSLock Lock(m_CSPacket);
 	WriteByte   (PACKET_PICKUP_SPAWN);
 	WriteInt    (a_Pickup.GetUniqueID());
-	WriteShort  (a_Pickup.GetItem().m_ItemType);
-	WriteChar   (a_Pickup.GetItem().m_ItemCount);
-	WriteShort  (a_Pickup.GetItem().m_ItemDamage);
+	const cItem & Item = a_Pickup.GetItem();
+	WriteShort  (Item.m_ItemType);
+	WriteChar   (Item.m_ItemCount);
+	WriteShort  (Item.m_ItemDamage);
 	WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32));
-	WriteByte   ((char)(a_Pickup.GetSpeed().x * 8));
-	WriteByte   ((char)(a_Pickup.GetSpeed().y * 8));
-	WriteByte   ((char)(a_Pickup.GetSpeed().z * 8));
+	WriteByte   ((char)(a_Pickup.GetSpeedX() * 8));
+	WriteByte   ((char)(a_Pickup.GetSpeedY() * 8));
+	WriteByte   ((char)(a_Pickup.GetSpeedZ() * 8));
 	Flush();
 }
 
@@ -800,10 +802,11 @@ void cProtocol125::SendRemoveEntityEffect(const cEntity & a_Entity, int a_Effect
 void cProtocol125::SendRespawn(void)
 {
 	cCSLock Lock(m_CSPacket);
+	cPlayer * Player = m_Client->GetPlayer();
 	WriteByte  (PACKET_RESPAWN);
-	WriteInt   ((int)(m_Client->GetPlayer()->GetWorld()->GetDimension()));
+	WriteInt   ((int)(Player->GetWorld()->GetDimension()));
 	WriteByte  (2);  // TODO: Difficulty; 2 = Normal
-	WriteChar  ((char)m_Client->GetPlayer()->GetGameMode());
+	WriteChar  ((char)Player->GetGameMode());
 	WriteShort (256);  // Current world height
 	WriteString("default");
 }
@@ -815,10 +818,11 @@ void cProtocol125::SendRespawn(void)
 void cProtocol125::SendExperience(void)
 {
 	cCSLock Lock(m_CSPacket);
+	cPlayer * Player = m_Client->GetPlayer();
 	WriteByte  (PACKET_EXPERIENCE);
-	WriteFloat (m_Client->GetPlayer()->GetXpPercentage());
-	WriteShort (m_Client->GetPlayer()->GetXpLevel());
-	WriteShort (m_Client->GetPlayer()->GetCurrentXp());
+	WriteFloat (Player->GetXpPercentage());
+	WriteShort (Player->GetXpLevel());
+	WriteShort (Player->GetCurrentXp());
 	Flush();
 }
 
diff --git a/src/Protocol/Protocol132.cpp b/src/Protocol/Protocol132.cpp
index ce5942a5c..1ef92b8f0 100644
--- a/src/Protocol/Protocol132.cpp
+++ b/src/Protocol/Protocol132.cpp
@@ -408,7 +408,8 @@ void cProtocol132::SendWholeInventory(const cWindow & a_Window)
 	super::SendWholeInventory(a_Window);
 	
 	// Send the player inventory and hotbar:
-	const cInventory & Inventory = m_Client->GetPlayer()->GetInventory();
+	cPlayer * Player = m_Client->GetPlayer();
+	const cInventory & Inventory = Player->GetInventory();
 	int BaseOffset = a_Window.GetNumSlots() - (cInventory::invNumSlots - cInventory::invInventoryOffset);  // Number of non-inventory slots
 	char WindowID = a_Window.GetWindowID();
 	for (short i = 0; i < cInventory::invInventoryCount; i++)
@@ -422,7 +423,7 @@ void cProtocol132::SendWholeInventory(const cWindow & a_Window)
 	}  // for i - Hotbar[]
 	
 	// Send even the item being dragged:
-	SendInventorySlot(-1, -1, m_Client->GetPlayer()->GetDraggingItem());
+	SendInventorySlot(-1, -1, Player->GetDraggingItem());
 }
 
 
@@ -800,10 +801,12 @@ void cProtocol132::SendCompass(const cWorld & a_World)
 void cProtocol132::SendEncryptionKeyRequest(void)
 {
 	cCSLock Lock(m_CSPacket);
+	cServer * Server = cRoot::Get()->GetServer();
 	WriteByte(0xfd);
-	WriteString(cRoot::Get()->GetServer()->GetServerID());
-	WriteShort((short)(cRoot::Get()->GetServer()->GetPublicKeyDER().size()));
-	SendData(cRoot::Get()->GetServer()->GetPublicKeyDER().data(), cRoot::Get()->GetServer()->GetPublicKeyDER().size());
+	WriteString(Server->GetServerID());
+	const AString & PublicKeyDER = Server->GetPublicKeyDER();
+	WriteShort((short) (PublicKeyDER.size()));
+	SendData(PublicKeyDER.data(), PublicKeyDER.size());
 	WriteShort(4);
 	WriteInt((int)(intptr_t)this);  // Using 'this' as the cryptographic nonce, so that we don't have to generate one each time :)
 	Flush();
@@ -874,10 +877,11 @@ void cProtocol132::StartEncryption(const Byte * a_Key)
 	
 	// Prepare the m_AuthServerID:
 	cSHA1Checksum Checksum;
-	AString ServerID = cRoot::Get()->GetServer()->GetServerID();
+	cServer * Server = cRoot::Get()->GetServer();
+	AString ServerID = Server->GetServerID();
 	Checksum.Update((const Byte *)ServerID.c_str(), ServerID.length());
 	Checksum.Update(a_Key, 16);
-	Checksum.Update((const Byte *)cRoot::Get()->GetServer()->GetPublicKeyDER().data(), cRoot::Get()->GetServer()->GetPublicKeyDER().size());
+	Checksum.Update((const Byte *) Server->GetPublicKeyDER().data(), Server->GetPublicKeyDER().size());
 	Byte Digest[20];
 	Checksum.Finalize(Digest);
 	cSHA1Checksum::DigestToJava(Digest, m_AuthServerID);
diff --git a/src/Protocol/Protocol14x.cpp b/src/Protocol/Protocol14x.cpp
index f694af1eb..d6a103d35 100644
--- a/src/Protocol/Protocol14x.cpp
+++ b/src/Protocol/Protocol14x.cpp
@@ -103,9 +103,9 @@ void cProtocol142::SendPickupSpawn(const cPickup & a_Pickup)
 	WriteInt    (a_Pickup.GetUniqueID());
 	WriteItem   (a_Pickup.GetItem());
 	WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32));
-	WriteChar   ((char)(a_Pickup.GetSpeed().x * 8));
-	WriteChar   ((char)(a_Pickup.GetSpeed().y * 8));
-	WriteChar   ((char)(a_Pickup.GetSpeed().z * 8));
+	WriteChar((char) (a_Pickup.GetSpeedX() * 8));
+	WriteChar((char) (a_Pickup.GetSpeedY() * 8));
+	WriteChar((char) (a_Pickup.GetSpeedZ() * 8));
 	Flush();
 }
 
@@ -170,9 +170,9 @@ void cProtocol146::SendPickupSpawn(const cPickup & a_Pickup)
 	WriteInt ((int)(a_Pickup.GetPosY() * 32));
 	WriteInt ((int)(a_Pickup.GetPosZ() * 32));
 	WriteInt (1);
-	WriteShort((short)(a_Pickup.GetSpeed().x * 32));
-	WriteShort((short)(a_Pickup.GetSpeed().y * 32));
-	WriteShort((short)(a_Pickup.GetSpeed().z * 32));
+	WriteShort((short)(a_Pickup.GetSpeedX() * 32));
+	WriteShort((short) (a_Pickup.GetSpeedY() * 32));
+	WriteShort((short) (a_Pickup.GetSpeedZ() * 32));
 	WriteByte(0);
 	WriteByte(0);
 	
diff --git a/src/Protocol/Protocol16x.cpp b/src/Protocol/Protocol16x.cpp
index 3da23a1dc..35bc8665d 100644
--- a/src/Protocol/Protocol16x.cpp
+++ b/src/Protocol/Protocol16x.cpp
@@ -131,9 +131,10 @@ void cProtocol161::SendHealth(void)
 {
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_UPDATE_HEALTH);
-	WriteFloat((float)m_Client->GetPlayer()->GetHealth());
-	WriteShort((short)m_Client->GetPlayer()->GetFoodLevel());
-	WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel());
+	cPlayer * Player = m_Client->GetPlayer();
+	WriteFloat((float)Player->GetHealth());
+	WriteShort((short)Player->GetFoodLevel());
+	WriteFloat((float)Player->GetFoodSaturationLevel());
 	Flush();
 }
 
@@ -144,11 +145,12 @@ void cProtocol161::SendHealth(void)
 void cProtocol161::SendPlayerMaxSpeed(void)
 {
 	cCSLock Lock(m_CSPacket);
+	cPlayer * Player = m_Client->GetPlayer();
 	WriteByte(PACKET_ENTITY_PROPERTIES);
-	WriteInt(m_Client->GetPlayer()->GetUniqueID());
+	WriteInt(Player->GetUniqueID());
 	WriteInt(1);
 	WriteString("generic.movementSpeed");
-	WriteDouble(0.1 * m_Client->GetPlayer()->GetMaxSpeed());
+	WriteDouble(0.1 * Player->GetMaxSpeed());
 	Flush();
 }
 
@@ -276,11 +278,12 @@ cProtocol162::cProtocol162(cClientHandle * a_Client) :
 void cProtocol162::SendPlayerMaxSpeed(void)
 {
 	cCSLock Lock(m_CSPacket);
+	cPlayer * Player = m_Client->GetPlayer();
 	WriteByte(PACKET_ENTITY_PROPERTIES);
-	WriteInt(m_Client->GetPlayer()->GetUniqueID());
+	WriteInt(Player->GetUniqueID());
 	WriteInt(1);
 	WriteString("generic.movementSpeed");
-	WriteDouble(0.1 * m_Client->GetPlayer()->GetMaxSpeed());
+	WriteDouble(0.1 * Player->GetMaxSpeed());
 	WriteShort(0);
 	Flush();
 }
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index a4319df37..135518b67 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -514,9 +514,10 @@ void cProtocol172::SendGameMode(eGameMode a_GameMode)
 void cProtocol172::SendHealth(void)
 {
 	cPacketizer Pkt(*this, 0x06);  // Update Health packet
-	Pkt.WriteFloat((float)m_Client->GetPlayer()->GetHealth());
-	Pkt.WriteShort(m_Client->GetPlayer()->GetFoodLevel());
-	Pkt.WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel());
+	cPlayer * Player = m_Client->GetPlayer();
+	Pkt.WriteFloat((float)Player->GetHealth());
+	Pkt.WriteShort(Player->GetFoodLevel());
+	Pkt.WriteFloat((float)Player->GetFoodSaturationLevel());
 }
 
 
@@ -549,12 +550,13 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
 {
 	// Send the Join Game packet:
 	{
+		cServer * Server = cRoot::Get()->GetServer();
 		cPacketizer Pkt(*this, 0x01);  // Join Game packet
 		Pkt.WriteInt(a_Player.GetUniqueID());
-		Pkt.WriteByte((Byte)a_Player.GetEffectiveGameMode() | (cRoot::Get()->GetServer()->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4
+		Pkt.WriteByte((Byte)a_Player.GetEffectiveGameMode() | (Server->IsHardcore() ? 0x08 : 0)); // Hardcore flag bit 4
 		Pkt.WriteChar((char)a_World.GetDimension());
 		Pkt.WriteByte(2);  // TODO: Difficulty (set to Normal)
-		Pkt.WriteByte(std::min(cRoot::Get()->GetServer()->GetMaxPlayers(), 60));
+		Pkt.WriteByte(std::min(Server->GetMaxPlayers(), 60));
 		Pkt.WriteString("default");  // Level type - wtf?
 	}
 	
@@ -673,22 +675,23 @@ void cProtocol172::SendPlayerAbilities(void)
 {
 	cPacketizer Pkt(*this, 0x39);  // Player Abilities packet
 	Byte Flags = 0;
-	if (m_Client->GetPlayer()->IsGameModeCreative())
+	cPlayer * Player = m_Client->GetPlayer();
+	if (Player->IsGameModeCreative())
 	{
 		Flags |= 0x01;
 		Flags |= 0x08; // Godmode, used for creative
 	}
-	if (m_Client->GetPlayer()->IsFlying())
+	if (Player->IsFlying())
 	{
 		Flags |= 0x02;
 	}
-	if (m_Client->GetPlayer()->CanFly())
+	if (Player->CanFly())
 	{
 		Flags |= 0x04;
 	}
 	Pkt.WriteByte(Flags);
-	Pkt.WriteFloat((float)(0.05 * m_Client->GetPlayer()->GetFlyingMaxSpeed()));
-	Pkt.WriteFloat((float)(0.1 * m_Client->GetPlayer()->GetMaxSpeed()));
+	Pkt.WriteFloat((float)(0.05 * Player->GetFlyingMaxSpeed()));
+	Pkt.WriteFloat((float)(0.1 * Player->GetMaxSpeed()));
 }
 
 
@@ -739,17 +742,18 @@ void cProtocol172::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline)
 void cProtocol172::SendPlayerMaxSpeed(void)
 {
 	cPacketizer Pkt(*this, 0x20);  // Entity Properties
-	Pkt.WriteInt(m_Client->GetPlayer()->GetUniqueID());
+	cPlayer * Player = m_Client->GetPlayer();
+	Pkt.WriteInt(Player->GetUniqueID());
 	Pkt.WriteInt(1);  // Count
 	Pkt.WriteString("generic.movementSpeed");
 	// The default game speed is 0.1, multiply that value by the relative speed:
-	Pkt.WriteDouble(0.1 * m_Client->GetPlayer()->GetNormalMaxSpeed());
-	if (m_Client->GetPlayer()->IsSprinting())
+	Pkt.WriteDouble(0.1 * Player->GetNormalMaxSpeed());
+	if (Player->IsSprinting())
 	{
 		Pkt.WriteShort(1);  // Modifier count
 		Pkt.WriteInt64(0x662a6b8dda3e4c1c);
 		Pkt.WriteInt64(0x881396ea6097278d);  // UUID of the modifier
-		Pkt.WriteDouble(m_Client->GetPlayer()->GetSprintingMaxSpeed() - m_Client->GetPlayer()->GetNormalMaxSpeed());
+		Pkt.WriteDouble(Player->GetSprintingMaxSpeed() - Player->GetNormalMaxSpeed());
 		Pkt.WriteByte(2);
 	}
 	else
@@ -765,16 +769,17 @@ void cProtocol172::SendPlayerMaxSpeed(void)
 void cProtocol172::SendPlayerMoveLook(void)
 {
 	cPacketizer Pkt(*this, 0x08);  // Player Position And Look packet
-	Pkt.WriteDouble(m_Client->GetPlayer()->GetPosX());
+	cPlayer * Player = m_Client->GetPlayer();
+	Pkt.WriteDouble(Player->GetPosX());
 	
 	// Protocol docs say this is PosY, but #323 says this is eye-pos
 	// Moreover, the "+ 0.001" is there because otherwise the player falls through the block they were standing on.
-	Pkt.WriteDouble(m_Client->GetPlayer()->GetStance() + 0.001);
+	Pkt.WriteDouble(Player->GetStance() + 0.001);
 	
-	Pkt.WriteDouble(m_Client->GetPlayer()->GetPosZ());
-	Pkt.WriteFloat((float)m_Client->GetPlayer()->GetYaw());
-	Pkt.WriteFloat((float)m_Client->GetPlayer()->GetPitch());
-	Pkt.WriteBool(m_Client->GetPlayer()->IsOnGround());
+	Pkt.WriteDouble(Player->GetPosZ());
+	Pkt.WriteFloat((float)Player->GetYaw());
+	Pkt.WriteFloat((float)Player->GetPitch());
+	Pkt.WriteBool(Player->IsOnGround());
 }
 
 
@@ -840,9 +845,10 @@ void cProtocol172::SendRemoveEntityEffect(const cEntity & a_Entity, int a_Effect
 void cProtocol172::SendRespawn(void)
 {
 	cPacketizer Pkt(*this, 0x07);  // Respawn packet
-	Pkt.WriteInt(m_Client->GetPlayer()->GetWorld()->GetDimension());
+	cPlayer * Player = m_Client->GetPlayer();
+	Pkt.WriteInt(Player->GetWorld()->GetDimension());
 	Pkt.WriteByte(2);  // TODO: Difficulty (set to Normal)
-	Pkt.WriteByte((Byte)m_Client->GetPlayer()->GetEffectiveGameMode());
+	Pkt.WriteByte((Byte)Player->GetEffectiveGameMode());
 	Pkt.WriteString("default");
 }
 
@@ -853,9 +859,10 @@ void cProtocol172::SendRespawn(void)
 void cProtocol172::SendExperience (void)
 {
 	cPacketizer Pkt(*this, 0x1F); //Experience Packet
-	Pkt.WriteFloat(m_Client->GetPlayer()->GetXpPercentage());
-	Pkt.WriteShort(m_Client->GetPlayer()->GetXpLevel());
-	Pkt.WriteShort(m_Client->GetPlayer()->GetCurrentXp());
+	cPlayer * Player = m_Client->GetPlayer();
+	Pkt.WriteFloat(Player->GetXpPercentage());
+	Pkt.WriteShort(Player->GetXpLevel());
+	Pkt.WriteShort(Player->GetCurrentXp());
 }
 
 
@@ -1485,15 +1492,16 @@ void cProtocol172::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
 {
 	// Send the response:
 	AString Response = "{\"version\":{\"name\":\"1.7.2\",\"protocol\":4},\"players\":{";
+	cServer * Server = cRoot::Get()->GetServer();
 	AppendPrintf(Response, "\"max\":%u,\"online\":%u,\"sample\":[]},",
-		cRoot::Get()->GetServer()->GetMaxPlayers(),
-		cRoot::Get()->GetServer()->GetNumPlayers()
+		Server->GetMaxPlayers(),
+		Server->GetNumPlayers()
 	);
 	AppendPrintf(Response, "\"description\":{\"text\":\"%s\"},",
-		cRoot::Get()->GetServer()->GetDescription().c_str()
+		Server->GetDescription().c_str()
 	);
 	AppendPrintf(Response, "\"favicon\":\"data:image/png;base64,%s\"",
-		cRoot::Get()->GetServer()->GetFaviconData().c_str()
+		Server->GetFaviconData().c_str()
 	);
 	Response.append("}");
 	
@@ -1582,12 +1590,13 @@ void cProtocol172::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer)
 		return;
 	}
 	
+	cServer * Server = cRoot::Get()->GetServer();
 	// If auth is required, then send the encryption request:
-	if (cRoot::Get()->GetServer()->ShouldAuthenticate())
+	if (Server->ShouldAuthenticate())
 	{
 		cPacketizer Pkt(*this, 0x01);
-		Pkt.WriteString(cRoot::Get()->GetServer()->GetServerID());
-		const AString & PubKeyDer = cRoot::Get()->GetServer()->GetPublicKeyDER();
+		Pkt.WriteString(Server->GetServerID());
+		const AString & PubKeyDer = Server->GetPublicKeyDER();
 		Pkt.WriteShort(PubKeyDer.size());
 		Pkt.WriteBuf(PubKeyDer.data(), PubKeyDer.size());
 		Pkt.WriteShort(4);
@@ -2136,10 +2145,11 @@ void cProtocol172::StartEncryption(const Byte * a_Key)
 	
 	// Prepare the m_AuthServerID:
 	cSHA1Checksum Checksum;
-	const AString & ServerID = cRoot::Get()->GetServer()->GetServerID();
+	cServer * Server = cRoot::Get()->GetServer();
+	const AString & ServerID = Server->GetServerID();
 	Checksum.Update((const Byte *)ServerID.c_str(), ServerID.length());
 	Checksum.Update(a_Key, 16);
-	Checksum.Update((const Byte *)cRoot::Get()->GetServer()->GetPublicKeyDER().data(), cRoot::Get()->GetServer()->GetPublicKeyDER().size());
+	Checksum.Update((const Byte *)Server->GetPublicKeyDER().data(), Server->GetPublicKeyDER().size());
 	Byte Digest[20];
 	Checksum.Finalize(Digest);
 	cSHA1Checksum::DigestToJava(Digest, m_AuthServerID);
@@ -2481,11 +2491,12 @@ void cProtocol172::cPacketizer::WriteEntityMetadata(const cEntity & a_Entity)
 			if (((cMinecart &)a_Entity).GetPayload() == cMinecart::mpNone)
 			{
 				cRideableMinecart & RideableMinecart = ((cRideableMinecart &)a_Entity);
-				if (!RideableMinecart.GetContent().IsEmpty())
+				const cItem & MinecartContent = RideableMinecart.GetContent();
+				if (!MinecartContent.IsEmpty())
 				{
 					WriteByte(0x54);
-					int Content = RideableMinecart.GetContent().m_ItemType;
-					Content |= RideableMinecart.GetContent().m_ItemDamage << 8;
+					int Content = MinecartContent.m_ItemType;
+					Content |= MinecartContent.m_ItemDamage << 8;
 					WriteInt(Content);
 					WriteByte(0x55);
 					WriteInt(RideableMinecart.GetBlockHeight());
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index 3f7d7b254..f9a7ba92b 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -980,6 +980,7 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema
 void cProtocolRecognizer::SendLengthlessServerPing(void)
 {
 	AString Reply;
+	cServer * Server = cRoot::Get()->GetServer();
 	switch (cRoot::Get()->GetPrimaryServerVersion())
 	{
 		case PROTO_VERSION_1_2_5:
@@ -987,11 +988,11 @@ void cProtocolRecognizer::SendLengthlessServerPing(void)
 		{
 			// http://wiki.vg/wiki/index.php?title=Protocol&oldid=3099#Server_List_Ping_.280xFE.29
 			Printf(Reply, "%s%s%i%s%i", 
-				cRoot::Get()->GetServer()->GetDescription().c_str(),
+				Server->GetDescription().c_str(),
 				cChatColor::Delimiter.c_str(),
-				cRoot::Get()->GetServer()->GetNumPlayers(),
+				Server->GetNumPlayers(),
 				cChatColor::Delimiter.c_str(),
-				cRoot::Get()->GetServer()->GetMaxPlayers()
+				Server->GetMaxPlayers()
 			);
 			break;
 		}
@@ -1021,9 +1022,9 @@ void cProtocolRecognizer::SendLengthlessServerPing(void)
 			
 			// http://wiki.vg/wiki/index.php?title=Server_List_Ping&oldid=3100
 			AString NumPlayers;
-			Printf(NumPlayers, "%d", cRoot::Get()->GetServer()->GetNumPlayers());
+			Printf(NumPlayers, "%d", Server->GetNumPlayers());
 			AString MaxPlayers;
-			Printf(MaxPlayers, "%d", cRoot::Get()->GetServer()->GetMaxPlayers());
+			Printf(MaxPlayers, "%d", Server->GetMaxPlayers());
 			
 			AString ProtocolVersionNum;
 			Printf(ProtocolVersionNum, "%d", cRoot::Get()->GetPrimaryServerVersion());
@@ -1037,7 +1038,7 @@ void cProtocolRecognizer::SendLengthlessServerPing(void)
 			Reply.push_back(0);
 			Reply.append(ProtocolVersionTxt);
 			Reply.push_back(0);
-			Reply.append(cRoot::Get()->GetServer()->GetDescription());
+			Reply.append(Server->GetDescription());
 			Reply.push_back(0);
 			Reply.append(NumPlayers);
 			Reply.push_back(0);
diff --git a/src/Server.cpp b/src/Server.cpp
index d1e53bfff..4c2cd6803 100644
--- a/src/Server.cpp
+++ b/src/Server.cpp
@@ -190,7 +190,7 @@ void cServer::PlayerDestroying(const cPlayer * a_Player)
 
 bool cServer::InitServer(cIniFile & a_SettingsIni)
 {
-	m_Description = a_SettingsIni.GetValueSet("Server", "Description", "MCServer - in C++!").c_str();
+	m_Description = a_SettingsIni.GetValueSet("Server", "Description", "MCServer - in C++!");
 	m_MaxPlayers  = a_SettingsIni.GetValueSetI("Server", "MaxPlayers", 100);
 	m_bIsHardcore = a_SettingsIni.GetValueSetB("Server", "HardcoreEnabled", false);
 	m_PlayerCount = 0;
diff --git a/src/Simulator/FireSimulator.cpp b/src/Simulator/FireSimulator.cpp
index 470dfc791..4fbfffd43 100644
--- a/src/Simulator/FireSimulator.cpp
+++ b/src/Simulator/FireSimulator.cpp
@@ -350,7 +350,7 @@ void cFireSimulator::RemoveFuelNeighbors(cChunk * a_Chunk, int a_RelX, int a_Rel
 		{
 			continue;
 		}
-		BlockType = Neighbour->GetBlock(X, a_RelY + gCrossCoords[i].y, Z);
+		BlockType = Neighbour->GetBlock(X, a_RelY + gNeighborCoords[i].y, Z);
 
 		if (!IsFuel(BlockType))
 		{
diff --git a/src/Simulator/FluidSimulator.cpp b/src/Simulator/FluidSimulator.cpp
index 7779573d7..4a84084d2 100644
--- a/src/Simulator/FluidSimulator.cpp
+++ b/src/Simulator/FluidSimulator.cpp
@@ -155,7 +155,7 @@ Direction cFluidSimulator::GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a
 	Points.push_back(new Vector3i(a_X, a_Y, a_Z + 1));
 	Points.push_back(new Vector3i(a_X, a_Y, a_Z - 1));
 
-	for (std::vector<Vector3i *>::iterator it = Points.begin(); it < Points.end(); it++)
+	for (std::vector<Vector3i *>::iterator it = Points.begin(); it < Points.end(); ++it)
 	{
 		Vector3i *Pos = (*it);
 		char BlockID = m_World.GetBlock(Pos->x, Pos->y, Pos->z);
diff --git a/src/StackWalker.cpp b/src/StackWalker.cpp
index b4f8ed8c7..b608d69e6 100644
--- a/src/StackWalker.cpp
+++ b/src/StackWalker.cpp
@@ -935,7 +935,8 @@ BOOL StackWalker::LoadModules()
           break;
         }
       }  // for (search for path separator...)
-      if (strlen(szTemp) > 0)
+	  
+      if (szTemp[0] != '\0') // If szTemp is not empty (Note: This is more efficient than using strlen)
       {
         strcat_s(szSymPath, nSymPathLen, szTemp);
         strcat_s(szSymPath, nSymPathLen, ";");
diff --git a/src/UI/SlotArea.cpp b/src/UI/SlotArea.cpp
index 88977e005..419d919bd 100644
--- a/src/UI/SlotArea.cpp
+++ b/src/UI/SlotArea.cpp
@@ -483,6 +483,7 @@ void cSlotAreaCrafting::ClickedResult(cPlayer & a_Player)
 
 	// Get the current recipe:
 	cCraftingRecipe & Recipe = GetRecipeForPlayer(a_Player);
+	const cItem & Result = Recipe.GetResult();
 
 	cItem * PlayerSlots = GetPlayerSlots(a_Player) + 1;
 	cCraftingGrid Grid(PlayerSlots, m_GridSize, m_GridSize);
@@ -490,16 +491,16 @@ void cSlotAreaCrafting::ClickedResult(cPlayer & a_Player)
 	// If possible, craft:
 	if (DraggingItem.IsEmpty())
 	{
-		DraggingItem = Recipe.GetResult();
+		DraggingItem = Result;
 		Recipe.ConsumeIngredients(Grid);
 		Grid.CopyToItems(PlayerSlots);
 	}
-	else if (DraggingItem.IsEqual(Recipe.GetResult()))
+	else if (DraggingItem.IsEqual(Result))
 	{
-		cItemHandler * Handler = ItemHandler(Recipe.GetResult().m_ItemType);
-		if (DraggingItem.m_ItemCount + Recipe.GetResult().m_ItemCount <= Handler->GetMaxStackSize())
+		cItemHandler * Handler = ItemHandler(Result.m_ItemType);
+		if (DraggingItem.m_ItemCount + Result.m_ItemCount <= Handler->GetMaxStackSize())
 		{
-			DraggingItem.m_ItemCount += Recipe.GetResult().m_ItemCount;
+			DraggingItem.m_ItemCount += Result.m_ItemCount;
 			Recipe.ConsumeIngredients(Grid);
 			Grid.CopyToItems(PlayerSlots);
 		}
diff --git a/src/WebAdmin.cpp b/src/WebAdmin.cpp
index cd141f7eb..a3b3cc5be 100644
--- a/src/WebAdmin.cpp
+++ b/src/WebAdmin.cpp
@@ -229,10 +229,11 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
 		}  // for itr - Data->m_Form[]
 
 		// Parse the URL into individual params:
-		size_t idxQM = a_Request.GetURL().find('?');
+		const AString & URL = a_Request.GetURL();
+		size_t idxQM = URL.find('?');
 		if (idxQM != AString::npos)
 		{
-			cHTTPFormParser URLParams(cHTTPFormParser::fpkURL, a_Request.GetURL().c_str() + idxQM + 1, a_Request.GetURL().length() - idxQM - 1, *Data);
+			cHTTPFormParser URLParams(cHTTPFormParser::fpkURL, URL.c_str() + idxQM + 1, URL.length() - idxQM - 1, *Data);
 			URLParams.Finish();
 			for (cHTTPFormParser::const_iterator itr = URLParams.begin(), end = URLParams.end(); itr != end; ++itr)
 			{
@@ -388,7 +389,6 @@ AString cWebAdmin::GetDefaultPage(void)
 		{
 			continue;
 		}
-		AString VersionNum;
 		AppendPrintf(Content, "<li>%s V.%i</li>", itr->second->GetName().c_str(), itr->second->GetVersion());
 	}
 	Content += "</ul>";
diff --git a/src/World.cpp b/src/World.cpp
index c188fd522..7762a115e 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -860,7 +860,7 @@ void cWorld::TickMobs(float a_Dt)
 			{
 				m_ChunkMap->SpawnMobs(Spawner);
 				// do the spawn
-				for (cMobSpawner::tSpawnedContainer::const_iterator itr2 = Spawner.getSpawned().begin(); itr2 != Spawner.getSpawned().end(); itr2++)
+				for (cMobSpawner::tSpawnedContainer::const_iterator itr2 = Spawner.getSpawned().begin(); itr2 != Spawner.getSpawned().end(); ++itr2)
 				{
 					SpawnMobFinalize(*itr2);
 				}
@@ -870,14 +870,14 @@ void cWorld::TickMobs(float a_Dt)
 
 	// move close mobs
 	cMobProximityCounter::sIterablePair allCloseEnoughToMoveMobs = MobCensus.GetProximityCounter().getMobWithinThosesDistances(-1, 64 * 16);// MG TODO : deal with this magic number (the 16 is the size of a block)
-	for(cMobProximityCounter::tDistanceToMonster::const_iterator itr = allCloseEnoughToMoveMobs.m_Begin; itr != allCloseEnoughToMoveMobs.m_End; itr++)
+	for(cMobProximityCounter::tDistanceToMonster::const_iterator itr = allCloseEnoughToMoveMobs.m_Begin; itr != allCloseEnoughToMoveMobs.m_End; ++itr)
 	{
 		itr->second.m_Monster.Tick(a_Dt, itr->second.m_Chunk);
 	}
 
 	// remove too far mobs
 	cMobProximityCounter::sIterablePair allTooFarMobs = MobCensus.GetProximityCounter().getMobWithinThosesDistances(128 * 16, -1);// MG TODO : deal with this magic number (the 16 is the size of a block)
-	for(cMobProximityCounter::tDistanceToMonster::const_iterator itr = allTooFarMobs.m_Begin; itr != allTooFarMobs.m_End; itr++)
+	for(cMobProximityCounter::tDistanceToMonster::const_iterator itr = allTooFarMobs.m_Begin; itr != allTooFarMobs.m_End; ++itr)
 	{
 		itr->second.m_Monster.Destroy(true);
 	}
@@ -2890,7 +2890,7 @@ void cWorld::TickQueuedBlocks(void)
 	m_BlockTickQueueCopy.clear();
 	m_BlockTickQueue.swap(m_BlockTickQueueCopy);
 
-	for (std::vector<BlockTickQueueItem *>::iterator itr = m_BlockTickQueueCopy.begin(); itr != m_BlockTickQueueCopy.end(); itr++)
+	for (std::vector<BlockTickQueueItem *>::iterator itr = m_BlockTickQueueCopy.begin(); itr != m_BlockTickQueueCopy.end(); ++itr)
 	{
 		BlockTickQueueItem * Block = (*itr);
 		Block->TicksToWait -= 1;
@@ -2981,7 +2981,7 @@ int cWorld::SpawnMobFinalize(cMonster * a_Monster)
 
 
 
-int cWorld::CreateProjectile(double a_PosX, double a_PosY, double a_PosZ, cProjectileEntity::eKind a_Kind, cEntity * a_Creator, const cItem a_Item, const Vector3d * a_Speed)
+int cWorld::CreateProjectile(double a_PosX, double a_PosY, double a_PosZ, cProjectileEntity::eKind a_Kind, cEntity * a_Creator, const cItem & a_Item, const Vector3d * a_Speed)
 {
 	cProjectileEntity * Projectile = cProjectileEntity::Create(a_Kind, a_Creator, a_PosX, a_PosY, a_PosZ, a_Item, a_Speed);
 	if (Projectile == NULL)
diff --git a/src/World.h b/src/World.h
index e08ef7f53..e2be4cd35 100644
--- a/src/World.h
+++ b/src/World.h
@@ -711,7 +711,7 @@ public:
 	int SpawnMobFinalize(cMonster* a_Monster);
 	
 	/** Creates a projectile of the specified type. Returns the projectile's EntityID if successful, <0 otherwise */
-	int CreateProjectile(double a_PosX, double a_PosY, double a_PosZ, cProjectileEntity::eKind a_Kind, cEntity * a_Creator, const cItem a_Item, const Vector3d * a_Speed = NULL);  // tolua_export
+	int CreateProjectile(double a_PosX, double a_PosY, double a_PosZ, cProjectileEntity::eKind a_Kind, cEntity * a_Creator, const cItem & a_Item, const Vector3d * a_Speed = NULL);  // tolua_export
 	
 	/** Returns a random number from the m_TickRand in range [0 .. a_Range]. To be used only in the tick thread! */
 	int GetTickRandomNumber(unsigned a_Range) { return (int)(m_TickRand.randInt(a_Range)); }
diff --git a/src/WorldStorage/FastNBT.cpp b/src/WorldStorage/FastNBT.cpp
index be25fd1a4..ac9a21205 100644
--- a/src/WorldStorage/FastNBT.cpp
+++ b/src/WorldStorage/FastNBT.cpp
@@ -345,7 +345,7 @@ cFastNBTWriter::cFastNBTWriter(const AString & a_RootTagName) :
 
 void cFastNBTWriter::BeginCompound(const AString & a_Name)
 {
-	if (m_CurrentStack >= MAX_STACK)
+	if (m_CurrentStack >= MAX_STACK - 1)
 	{
 		ASSERT(!"Stack overflow");
 		return;
@@ -376,7 +376,7 @@ void cFastNBTWriter::EndCompound(void)
 
 void cFastNBTWriter::BeginList(const AString & a_Name, eTagType a_ChildrenType)
 {
-	if (m_CurrentStack >= MAX_STACK)
+	if (m_CurrentStack >= MAX_STACK - 1)
 	{
 		ASSERT(!"Stack overflow");
 		return;
diff --git a/src/WorldStorage/WSSCompact.cpp b/src/WorldStorage/WSSCompact.cpp
index bb9d4b9e6..5435e6d5a 100644
--- a/src/WorldStorage/WSSCompact.cpp
+++ b/src/WorldStorage/WSSCompact.cpp
@@ -839,7 +839,7 @@ void cWSSCompact::cPAKFile::UpdateChunk2To3()
 
 
 
-bool cWSSCompact::LoadChunkFromData(const cChunkCoords & a_Chunk, int & a_UncompressedSize, const AString & a_Data, cWorld * a_World)
+bool cWSSCompact::LoadChunkFromData(const cChunkCoords & a_Chunk, int a_UncompressedSize, const AString & a_Data, cWorld * a_World)
 {
 	// Crude data integrity check:
 	if (a_UncompressedSize < cChunkDef::BlockDataSize)
diff --git a/src/WorldStorage/WSSCompact.h b/src/WorldStorage/WSSCompact.h
index 4df146ec3..97e3b82f9 100644
--- a/src/WorldStorage/WSSCompact.h
+++ b/src/WorldStorage/WSSCompact.h
@@ -135,7 +135,7 @@ protected:
 	bool EraseChunkData(const cChunkCoords & a_Chunk);
 	
 	/// Loads the chunk from the data (no locking needed)
-	bool LoadChunkFromData(const cChunkCoords & a_Chunk, int & a_UncompressedSize, const AString & a_Data, cWorld * a_World);
+	bool LoadChunkFromData(const cChunkCoords & a_Chunk, int a_UncompressedSize, const AString & a_Data, cWorld * a_World);
 		
 	void LoadEntitiesFromJson(Json::Value & a_Value, cEntityList & a_Entities, cBlockEntityList & a_BlockEntities, cWorld * a_World);