diff --git a/src/BlockEntities/BeaconEntity.cpp b/src/BlockEntities/BeaconEntity.cpp
index 85819446c..409f2937c 100644
--- a/src/BlockEntities/BeaconEntity.cpp
+++ b/src/BlockEntities/BeaconEntity.cpp
@@ -247,15 +247,16 @@ void cBeaconEntity::GiveEffects(void)
 		}
 
 	public:
-		cPlayerCallback(int a_Radius, int a_PosX, int a_PosY, int a_PosZ, cEntityEffect::eType a_PrimaryEffect, cEntityEffect::eType a_SecondaryEffect, short a_EffectLevel)
-			: m_Radius(a_Radius)
-			, m_PosX(a_PosX)
-			, m_PosY(a_PosY)
-			, m_PosZ(a_PosZ)
-			, m_PrimaryEffect(a_PrimaryEffect)
-			, m_SecondaryEffect(a_SecondaryEffect)
-			, m_EffectLevel(a_EffectLevel)
-		{};
+		cPlayerCallback(int a_Radius, int a_PosX, int a_PosY, int a_PosZ, cEntityEffect::eType a_PrimaryEffect, cEntityEffect::eType a_SecondaryEffect, short a_EffectLevel):
+			m_Radius(a_Radius),
+			m_PosX(a_PosX),
+			m_PosY(a_PosY),
+			m_PosZ(a_PosZ),
+			m_PrimaryEffect(a_PrimaryEffect),
+			m_SecondaryEffect(a_SecondaryEffect),
+			m_EffectLevel(a_EffectLevel)
+		{
+		}
 
 	} PlayerCallback(Radius, m_PosX, m_PosY, m_PosZ, m_PrimaryEffect, SecondaryEffect, EffectLevel);
 	GetWorld()->ForEachPlayer(PlayerCallback);
diff --git a/src/BlockEntities/BeaconEntity.h b/src/BlockEntities/BeaconEntity.h
index d1db3a68f..0417e0464 100644
--- a/src/BlockEntities/BeaconEntity.h
+++ b/src/BlockEntities/BeaconEntity.h
@@ -32,7 +32,7 @@ class cBeaconEntity :
 public:
 	// tolua_end
 
-	BLOCKENTITY_PROTODEF(cBeaconEntity);
+	BLOCKENTITY_PROTODEF(cBeaconEntity)
 
 	cBeaconEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
 
diff --git a/src/BlockEntities/BlockEntityWithItems.h b/src/BlockEntities/BlockEntityWithItems.h
index 8c7d4749b..2c2ced1cb 100644
--- a/src/BlockEntities/BlockEntityWithItems.h
+++ b/src/BlockEntities/BlockEntityWithItems.h
@@ -29,7 +29,7 @@ class cBlockEntityWithItems :
 public:
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cBlockEntityWithItems);
+	BLOCKENTITY_PROTODEF(cBlockEntityWithItems)
 	
 	cBlockEntityWithItems(
 		BLOCKTYPE a_BlockType,                      // Type of the block that the entity represents
diff --git a/src/BlockEntities/ChestEntity.h b/src/BlockEntities/ChestEntity.h
index 09fffb923..5ab0a4800 100644
--- a/src/BlockEntities/ChestEntity.h
+++ b/src/BlockEntities/ChestEntity.h
@@ -33,7 +33,7 @@ public:
 	
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cChestEntity);
+	BLOCKENTITY_PROTODEF(cChestEntity)
 	
 	/** Constructor used for normal operation */
 	cChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World, BLOCKTYPE a_Type);
diff --git a/src/BlockEntities/CommandBlockEntity.h b/src/BlockEntities/CommandBlockEntity.h
index 217390293..8deff6964 100644
--- a/src/BlockEntities/CommandBlockEntity.h
+++ b/src/BlockEntities/CommandBlockEntity.h
@@ -36,7 +36,7 @@ public:
 
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cCommandBlockEntity);
+	BLOCKENTITY_PROTODEF(cCommandBlockEntity)
 	
 	/// Creates a new empty command block entity
 	cCommandBlockEntity(int a_X, int a_Y, int a_Z, cWorld * a_World);
diff --git a/src/BlockEntities/DispenserEntity.h b/src/BlockEntities/DispenserEntity.h
index 5ba87b716..12e12942a 100644
--- a/src/BlockEntities/DispenserEntity.h
+++ b/src/BlockEntities/DispenserEntity.h
@@ -17,7 +17,7 @@ public:
 
 	// tolua_end
 
-	BLOCKENTITY_PROTODEF(cDispenserEntity);
+	BLOCKENTITY_PROTODEF(cDispenserEntity)
 	
 	/** Constructor used for normal operation */
 	cDispenserEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
diff --git a/src/BlockEntities/DropSpenserEntity.h b/src/BlockEntities/DropSpenserEntity.h
index f77a28c28..9092bc077 100644
--- a/src/BlockEntities/DropSpenserEntity.h
+++ b/src/BlockEntities/DropSpenserEntity.h
@@ -45,7 +45,7 @@ public:
 	
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cDropSpenserEntity);
+	BLOCKENTITY_PROTODEF(cDropSpenserEntity)
 	
 	cDropSpenserEntity(BLOCKTYPE a_BlockType, int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
 	virtual ~cDropSpenserEntity();
diff --git a/src/BlockEntities/DropperEntity.h b/src/BlockEntities/DropperEntity.h
index 91adf660f..c638dafa8 100644
--- a/src/BlockEntities/DropperEntity.h
+++ b/src/BlockEntities/DropperEntity.h
@@ -25,7 +25,7 @@ public:
 
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cDropperEntity);
+	BLOCKENTITY_PROTODEF(cDropperEntity)
 	
 	/// Constructor used for normal operation
 	cDropperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
diff --git a/src/BlockEntities/EnderChestEntity.h b/src/BlockEntities/EnderChestEntity.h
index 17abd880a..af59cf170 100644
--- a/src/BlockEntities/EnderChestEntity.h
+++ b/src/BlockEntities/EnderChestEntity.h
@@ -18,7 +18,7 @@ class cEnderChestEntity :
 public:
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cEnderChestEntity);
+	BLOCKENTITY_PROTODEF(cEnderChestEntity)
 	
 	cEnderChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
 	virtual ~cEnderChestEntity();
diff --git a/src/BlockEntities/FlowerPotEntity.h b/src/BlockEntities/FlowerPotEntity.h
index fc886c51f..005a3841a 100644
--- a/src/BlockEntities/FlowerPotEntity.h
+++ b/src/BlockEntities/FlowerPotEntity.h
@@ -36,7 +36,7 @@ public:
 
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cFlowerPotEntity);
+	BLOCKENTITY_PROTODEF(cFlowerPotEntity)
 	
 	/** Creates a new flowerpot entity at the specified block coords. a_World may be nullptr */
 	cFlowerPotEntity(int a_BlocX, int a_BlockY, int a_BlockZ, cWorld * a_World);
diff --git a/src/BlockEntities/FurnaceEntity.h b/src/BlockEntities/FurnaceEntity.h
index 71c2fe127..1ad812d8b 100644
--- a/src/BlockEntities/FurnaceEntity.h
+++ b/src/BlockEntities/FurnaceEntity.h
@@ -38,7 +38,7 @@ public:
 	
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cFurnaceEntity);
+	BLOCKENTITY_PROTODEF(cFurnaceEntity)
 	
 	/** Constructor used for normal operation */
 	cFurnaceEntity(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, cWorld * a_World);
diff --git a/src/BlockEntities/HopperEntity.h b/src/BlockEntities/HopperEntity.h
index 7070bbad3..da65aa671 100644
--- a/src/BlockEntities/HopperEntity.h
+++ b/src/BlockEntities/HopperEntity.h
@@ -31,7 +31,7 @@ public:
 
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cHopperEntity);
+	BLOCKENTITY_PROTODEF(cHopperEntity)
 	
 	/// Constructor used for normal operation
 	cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
diff --git a/src/BlockEntities/JukeboxEntity.h b/src/BlockEntities/JukeboxEntity.h
index 7a69d6499..301d018d1 100644
--- a/src/BlockEntities/JukeboxEntity.h
+++ b/src/BlockEntities/JukeboxEntity.h
@@ -26,7 +26,7 @@ public:
 
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cJukeboxEntity);
+	BLOCKENTITY_PROTODEF(cJukeboxEntity)
 	
 	cJukeboxEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
 	virtual ~cJukeboxEntity();
diff --git a/src/BlockEntities/MobHeadEntity.h b/src/BlockEntities/MobHeadEntity.h
index 7132ef558..de033fd16 100644
--- a/src/BlockEntities/MobHeadEntity.h
+++ b/src/BlockEntities/MobHeadEntity.h
@@ -34,7 +34,7 @@ public:
 
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cMobHeadEntity);
+	BLOCKENTITY_PROTODEF(cMobHeadEntity)
 	
 	/** Creates a new mob head entity at the specified block coords. a_World may be nullptr */
 	cMobHeadEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
diff --git a/src/BlockEntities/NoteEntity.h b/src/BlockEntities/NoteEntity.h
index fc5f27d07..d63ff56b6 100644
--- a/src/BlockEntities/NoteEntity.h
+++ b/src/BlockEntities/NoteEntity.h
@@ -40,7 +40,7 @@ public:
 
 	// tolua_end
 
-	BLOCKENTITY_PROTODEF(cNoteEntity);
+	BLOCKENTITY_PROTODEF(cNoteEntity)
 	
 	/// Creates a new note entity. a_World may be nullptr
 	cNoteEntity(int a_X, int a_Y, int a_Z, cWorld * a_World);
diff --git a/src/BlockEntities/SignEntity.h b/src/BlockEntities/SignEntity.h
index 52baa486d..347689d0a 100644
--- a/src/BlockEntities/SignEntity.h
+++ b/src/BlockEntities/SignEntity.h
@@ -34,7 +34,7 @@ public:
 
 	// tolua_end
 	
-	BLOCKENTITY_PROTODEF(cSignEntity);
+	BLOCKENTITY_PROTODEF(cSignEntity)
 	
 	/// Creates a new empty sign entity at the specified block coords and block type (wall or standing). a_World may be nullptr
 	cSignEntity(BLOCKTYPE a_BlockType, int a_X, int a_Y, int a_Z, cWorld * a_World);
diff --git a/src/BlockID.cpp b/src/BlockID.cpp
index c98e0cad1..06f4232d3 100644
--- a/src/BlockID.cpp
+++ b/src/BlockID.cpp
@@ -200,7 +200,7 @@ public:
 
 
 
-BLOCKTYPE BlockStringToType(const AString & a_BlockTypeString)
+int BlockStringToType(const AString & a_BlockTypeString)
 {
 	int res = atoi(a_BlockTypeString.c_str());
 	if ((res != 0) || (a_BlockTypeString.compare("0") == 0))
diff --git a/src/BlockID.h b/src/BlockID.h
index 24de2dc8a..8f2cee02e 100644
--- a/src/BlockID.h
+++ b/src/BlockID.h
@@ -1096,7 +1096,7 @@ class cIniFile;
 // tolua_begin
 
 /// Translates a blocktype string into blocktype. Takes either a number or an items.ini alias as input. Returns -1 on failure.
-extern BLOCKTYPE BlockStringToType(const AString & a_BlockTypeString);
+extern int BlockStringToType(const AString & a_BlockTypeString);
 
 /// Translates an itemtype string into an item. Takes either a number, number^number, number:number or an items.ini alias as input. Returns true if successful.
 extern bool StringToItem(const AString & a_ItemTypeString, cItem & a_Item);
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index d9333afc7..a2a11f130 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -1869,18 +1869,18 @@ bool cChunk::AddClient(cClientHandle * a_Client)
 
 void cChunk::RemoveClient(cClientHandle * a_Client)
 {
-	for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
+	for (cClientHandleList::iterator itrC = m_LoadedByClient.begin(); itrC != m_LoadedByClient.end(); ++itrC)
 	{
-		if (*itr != a_Client)
+		if (*itrC != a_Client)
 		{
 			continue;
 		}
 
-		m_LoadedByClient.erase(itr);
+		m_LoadedByClient.erase(itrC);
 
 		if (!a_Client->IsDestroyed())
 		{
-			for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
+			for (cEntityList::iterator itrE = m_Entities.begin(); itrE != m_Entities.end(); ++itrE)
 			{
 				/*
 				// DEBUG:
@@ -1889,7 +1889,7 @@ void cChunk::RemoveClient(cClientHandle * a_Client)
 					(*itr)->GetUniqueID(), a_Client->GetUsername().c_str()
 				);
 				*/
-				a_Client->SendDestroyEntity(*(*itr));
+				a_Client->SendDestroyEntity(*(*itrE));
 			}
 		}
 		return;
diff --git a/src/CraftingRecipes.cpp b/src/CraftingRecipes.cpp
index 64fb21181..2c2b02a69 100644
--- a/src/CraftingRecipes.cpp
+++ b/src/CraftingRecipes.cpp
@@ -289,7 +289,7 @@ void cCraftingRecipes::GetRecipe(cPlayer & a_Player, cCraftingGrid & a_CraftingG
 	}
 	
 	// Built-in recipes:
-	std::auto_ptr<cRecipe> Recipe(FindRecipe(a_CraftingGrid.GetItems(), a_CraftingGrid.GetWidth(), a_CraftingGrid.GetHeight()));
+	std::unique_ptr<cRecipe> Recipe(FindRecipe(a_CraftingGrid.GetItems(), a_CraftingGrid.GetWidth(), a_CraftingGrid.GetHeight()));
 	a_Recipe.Clear();
 	if (Recipe.get() == nullptr)
 	{
@@ -377,7 +377,7 @@ void cCraftingRecipes::AddRecipeLine(int a_LineNum, const AString & a_RecipeLine
 		return;
 	}
 	
-	std::auto_ptr<cCraftingRecipes::cRecipe> Recipe(new cCraftingRecipes::cRecipe);
+	std::unique_ptr<cCraftingRecipes::cRecipe> Recipe(new cCraftingRecipes::cRecipe);
 	
 	// Parse the result:
 	AStringVector ResultSplit = StringSplit(Sides[0], ",");
@@ -758,7 +758,7 @@ cCraftingRecipes::cRecipe * cCraftingRecipes::MatchRecipe(const cItem * a_Crafti
 	}  // for y, for x
 	
 	// The recipe has matched. Create a copy of the recipe and set its coords to match the crafting grid:
-	std::auto_ptr<cRecipe> Recipe(new cRecipe);
+	std::unique_ptr<cRecipe> Recipe(new cRecipe);
 	Recipe->m_Result = a_Recipe->m_Result;
 	Recipe->m_Width  = a_Recipe->m_Width;
 	Recipe->m_Height = a_Recipe->m_Height;
diff --git a/src/Entities/Minecart.h b/src/Entities/Minecart.h
index 40e22c641..f7d0d5dda 100644
--- a/src/Entities/Minecart.h
+++ b/src/Entities/Minecart.h
@@ -128,7 +128,7 @@ public:
 	};
 	
 	const cItem & GetSlot(int a_Idx) const { return m_Contents.GetSlot(a_Idx); }
-	void SetSlot(size_t a_Idx, const cItem & a_Item) { m_Contents.SetSlot(a_Idx, a_Item); }
+	void SetSlot(size_t a_Idx, const cItem & a_Item) { m_Contents.SetSlot(static_cast<int>(a_Idx), a_Item); }
 
 protected:
 	cItemGrid m_Contents;
diff --git a/src/FurnaceRecipe.cpp b/src/FurnaceRecipe.cpp
index 9b3b2ecbe..112aa8146 100644
--- a/src/FurnaceRecipe.cpp
+++ b/src/FurnaceRecipe.cpp
@@ -115,7 +115,7 @@ void cFurnaceRecipe::AddFuelFromLine(const AString & a_Line, unsigned int a_Line
 	Line.erase(Line.begin());  // Remove the beginning "!"
 	Line.erase(std::remove_if(Line.begin(), Line.end(), isspace), Line.end());
 
-	std::auto_ptr<cItem> Item(new cItem);
+	std::unique_ptr<cItem> Item(new cItem);
 	int BurnTime;
 
 	const AStringVector & Sides = StringSplit(Line, "=");
@@ -157,8 +157,8 @@ void cFurnaceRecipe::AddRecipeFromLine(const AString & a_Line, unsigned int a_Li
 	Line.erase(std::remove_if(Line.begin(), Line.end(), isspace), Line.end());
 
 	int CookTime = 200;
-	std::auto_ptr<cItem> InputItem(new cItem());
-	std::auto_ptr<cItem> OutputItem(new cItem());
+	std::unique_ptr<cItem> InputItem(new cItem());
+	std::unique_ptr<cItem> OutputItem(new cItem());
 
 	const AStringVector & Sides = StringSplit(Line, "=");
 	if (Sides.size() != 2)
diff --git a/src/Generating/ChunkGenerator.cpp b/src/Generating/ChunkGenerator.cpp
index 92e1bb31d..3ee02c767 100644
--- a/src/Generating/ChunkGenerator.cpp
+++ b/src/Generating/ChunkGenerator.cpp
@@ -191,13 +191,13 @@ EMCSBiome cChunkGenerator::GetBiomeAt(int a_BlockX, int a_BlockZ)
 BLOCKTYPE cChunkGenerator::GetIniBlock(cIniFile & a_IniFile, const AString & a_SectionName, const AString & a_ValueName, const AString & a_Default)
 {
 	AString BlockType = a_IniFile.GetValueSet(a_SectionName, a_ValueName, a_Default);
-	BLOCKTYPE Block = BlockStringToType(BlockType);
+	int Block = BlockStringToType(BlockType);
 	if (Block < 0)
 	{
 		LOGWARN("[%s].%s Could not parse block value \"%s\". Using default: \"%s\".", a_SectionName.c_str(), a_ValueName.c_str(), BlockType.c_str(), a_Default.c_str());
-		return BlockStringToType(a_Default);
+		return static_cast<BLOCKTYPE>(BlockStringToType(a_Default));
 	}
-	return Block;
+	return static_cast<BLOCKTYPE>(Block);
 }
 
 
diff --git a/src/Generating/CompoGenBiomal.cpp b/src/Generating/CompoGenBiomal.cpp
index 995851c95..030c2baa5 100644
--- a/src/Generating/CompoGenBiomal.cpp
+++ b/src/Generating/CompoGenBiomal.cpp
@@ -39,7 +39,7 @@ public:
 		
 		// Fill the rest with stone:
 		static BlockInfo Stone = {E_BLOCK_STONE, 0};
-		for (size_t i = a_Count; i < cChunkDef::Height; i++)
+		for (int i = static_cast<int>(a_Count); i < cChunkDef::Height; i++)
 		{
 			m_Pattern[i] = Stone;
 		}
diff --git a/src/Noise/OctavedNoise.h b/src/Noise/OctavedNoise.h
index 855117289..efb9a0167 100644
--- a/src/Noise/OctavedNoise.h
+++ b/src/Noise/OctavedNoise.h
@@ -66,17 +66,19 @@ public:
 		}
 
 		// Generate the first octave directly into array:
-		const cOctave & FirstOctave = m_Octaves.front();
 		int ArrayCount = a_SizeX * a_SizeY;
-		FirstOctave.m_Noise.Generate2D(
-			a_Workspace, a_SizeX, a_SizeY,
-			a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
-			a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency
-		);
-		NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
-		for (int i = 0; i < ArrayCount; i++)
 		{
-			a_Array[i] = a_Workspace[i] * Amplitude;
+			const cOctave & FirstOctave = m_Octaves.front();
+			FirstOctave.m_Noise.Generate2D(
+				a_Workspace, a_SizeX, a_SizeY,
+				a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
+				a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency
+			);
+			NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
+			for (int i = 0; i < ArrayCount; i++)
+			{
+				a_Array[i] = a_Workspace[i] * Amplitude;
+			}
 		}
 
 		// Add each octave:
@@ -124,18 +126,20 @@ public:
 		}
 
 		// Generate the first octave directly into array:
-		const cOctave & FirstOctave = m_Octaves.front();
 		int ArrayCount = a_SizeX * a_SizeY * a_SizeZ;
-		FirstOctave.m_Noise.Generate3D(
-			a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
-			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 = FirstOctave.m_Amplitude;
-		for (int i = 0; i < ArrayCount; i++)
 		{
-			a_Array[i] = a_Workspace[i] * Amplitude;
+			const cOctave & FirstOctave = m_Octaves.front();
+			FirstOctave.m_Noise.Generate3D(
+				a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
+				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 = FirstOctave.m_Amplitude;
+			for (int i = 0; i < ArrayCount; i++)
+			{
+				a_Array[i] = a_Workspace[i] * Amplitude;
+			}
 		}
 
 		// Add each octave:
diff --git a/src/Noise/RidgedNoise.h b/src/Noise/RidgedNoise.h
index 69b480f60..f59a0512f 100644
--- a/src/Noise/RidgedNoise.h
+++ b/src/Noise/RidgedNoise.h
@@ -54,7 +54,7 @@ public:
 		);
 		for (int i = 0; i < ArrayCount; i++)
 		{
-			a_Array[i] = fabs(a_Array[i]);
+			a_Array[i] = std::abs(a_Array[i]);
 		}
 	}
 
@@ -77,7 +77,7 @@ public:
 		);
 		for (int i = 0; i < ArrayCount; i++)
 		{
-			a_Array[i] = fabs(a_Array[i]);
+			a_Array[i] = std::abs(a_Array[i]);
 		}
 	}