Fix building with clang 8.0 (cuberite#4346)

src/Blocks/BlockLeaves.h

@@ -11,13 +11,15 @@
 #define LEAVES_CHECK_DISTANCE 6
 
 #define PROCESS_NEIGHBOR(x, y, z) \
-	switch (a_Area.GetBlockType(x, y, z)) \
-	{ \
-		case E_BLOCK_LEAVES: a_Area.SetBlockType(x, y, z, static_cast<BLOCKTYPE>(E_BLOCK_SPONGE + i + 1)); break; \
-		case E_BLOCK_LOG: return true; \
-		case E_BLOCK_NEW_LEAVES: a_Area.SetBlockType(x, y, z, static_cast<BLOCKTYPE>(E_BLOCK_SPONGE + i + 1)); break; \
-		case E_BLOCK_NEW_LOG: return true; \
-	}
+	do { \
+		switch (a_Area.GetBlockType(x, y, z)) \
+		{ \
+			case E_BLOCK_LEAVES: a_Area.SetBlockType(x, y, z, static_cast<BLOCKTYPE>(E_BLOCK_SPONGE + i + 1)); break; \
+			case E_BLOCK_LOG: return true; \
+			case E_BLOCK_NEW_LEAVES: a_Area.SetBlockType(x, y, z, static_cast<BLOCKTYPE>(E_BLOCK_SPONGE + i + 1)); break; \
+			case E_BLOCK_NEW_LOG: return true; \
+		} \
+	} while (false)
 
 bool HasNearLog(cBlockArea &a_Area, int a_BlockX, int a_BlockY, int a_BlockZ);
 

src/Blocks/BlockTorch.h

@@ -62,7 +62,7 @@ class cBlockTorchHandler :
 				ASSERT(!"Unhandled torch direction!");
 				break;
 			}
-		};
+		}
 		return 0x0;
 	}
 

src/Broadcaster.cpp

@@ -54,7 +54,7 @@ namespace
 					{
 						a_Func(*Client);
 					}
-				};
+				}
 				return true;
 			}
 		);

src/ByteBuffer.cpp

@@ -26,8 +26,8 @@ Unfortunately it is very slow, so it is disabled even for regular DEBUG builds.
 // If a string sent over the protocol is larger than this, a warning is emitted to the console
 #define MAX_STRING_SIZE (512 KiB)
 
-#define NEEDBYTES(Num) if (!CanReadBytes(Num))  return false;  // Check if at least Num bytes can be read from  the buffer, return false if not
-#define PUTBYTES(Num)  if (!CanWriteBytes(Num)) return false;  // Check if at least Num bytes can be written to the buffer, return false if not
+#define NEEDBYTES(Num) if (!CanReadBytes(Num))  return false  // Check if at least Num bytes can be read from  the buffer, return false if not
+#define PUTBYTES(Num)  if (!CanWriteBytes(Num)) return false  // Check if at least Num bytes can be written to the buffer, return false if not
 
 
 

src/Chunk.h

@@ -40,7 +40,7 @@ class cSetChunkData;
 typedef std::list<cClientHandle *>                cClientHandleList;
 
 // A convenience macro for calling GetChunkAndRelByAbsolute.
-#define PREPARE_REL_AND_CHUNK(Position, OriginalChunk) cChunk * Chunk; Vector3i Rel; bool RelSuccess = (OriginalChunk).GetChunkAndRelByAbsolute(Position, &Chunk, Rel);
+#define PREPARE_REL_AND_CHUNK(Position, OriginalChunk) cChunk * Chunk; Vector3i Rel; bool RelSuccess = (OriginalChunk).GetChunkAndRelByAbsolute(Position, &Chunk, Rel)
 #define PREPARE_BLOCKDATA BLOCKTYPE BlockType; NIBBLETYPE BlockMeta;
 
 

src/Entities/Entity.cpp

@@ -414,7 +414,7 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 		{
 			if ((a_TDI.DamageType == dtAttack) || (a_TDI.DamageType == dtArrowAttack))
 			{
-				a_TDI.FinalDamage *= 1.5;  // 150% damage
+				a_TDI.FinalDamage *= 1.5f;  // 150% damage
 				m_World->BroadcastEntityAnimation(*this, 4);  // Critical hit
 			}
 		}
@@ -427,7 +427,7 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 		if (SharpnessLevel > 0)
 		{
-			a_TDI.FinalDamage += 1.25 * SharpnessLevel;
+			a_TDI.FinalDamage += 1.25f * SharpnessLevel;
 		}
 		else if (SmiteLevel > 0)
 		{
@@ -441,7 +441,7 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 					case mtWither:
 					case mtZombiePigman:
 					{
-						a_TDI.FinalDamage += 2.5 * SmiteLevel;
+						a_TDI.FinalDamage += 2.5f * SmiteLevel;
 						break;
 					}
 					default: break;
@@ -459,7 +459,7 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 					case mtCaveSpider:
 					case mtSilverfish:
 					{
-						a_TDI.FinalDamage += 2.5 * BaneOfArthropodsLevel;
+						a_TDI.FinalDamage += 2.5f * BaneOfArthropodsLevel;
 						// The duration of the effect is a random value between 1 and 1.5 seconds at level I,
 						// increasing the max duration by 0.5 seconds each level
 						// Ref: https://minecraft.gamepedia.com/Enchanting#Bane_of_Arthropods
@@ -868,7 +868,7 @@ void cEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 		}
 
 		// Position changed -> super::Tick() called:
-		GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, POSX_TOINT, POSZ_TOINT)
+		GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, POSX_TOINT, POSZ_TOINT);
 
 		// Set swim states (water, lava, and fire):
 		SetSwimState(*NextChunk);
@@ -920,7 +920,7 @@ void cEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	int BlockZ = POSZ_TOINT;
 
 	// Position changed -> super::HandlePhysics() called
-	GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, BlockX, BlockZ)
+	GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, BlockX, BlockZ);
 
 	// TODO Add collision detection with entities.
 	auto DtSec = std::chrono::duration_cast<std::chrono::duration<double>>(a_Dt);

src/Entities/Entity.h

@@ -33,10 +33,12 @@
 
 #define GET_AND_VERIFY_CURRENT_CHUNK(ChunkVarName, X, Z) \
 	cChunk * ChunkVarName = a_Chunk.GetNeighborChunk(X, Z); \
-	if ((ChunkVarName == nullptr) || !ChunkVarName->IsValid()) \
-	{ \
-		return; \
-	}
+	do { \
+		if ((ChunkVarName == nullptr) || !ChunkVarName->IsValid()) \
+		{ \
+			return; \
+		} \
+	} while (false)
 
 
 

src/Entities/Pickup.cpp

@@ -143,7 +143,7 @@ void cPickup::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 		if ((BlockY >= 0) && (BlockY < cChunkDef::Height))  // Don't do anything except for falling when outside the world
 		{
 			// Position might have changed due to physics. So we have to make sure we have the correct chunk.
-			GET_AND_VERIFY_CURRENT_CHUNK(CurrentChunk, BlockX, BlockZ)
+			GET_AND_VERIFY_CURRENT_CHUNK(CurrentChunk, BlockX, BlockZ);
 
 			// Destroy the pickup if it is on fire:
 			if (IsOnFire())

src/Entities/Player.cpp

@@ -2689,8 +2689,8 @@ void cPlayer::SendBlocksAround(int a_BlockX, int a_BlockY, int a_BlockZ, int a_R
 			for (int x = a_BlockX - a_Range + 1; x < a_BlockX + a_Range; x++)
 			{
 				blks.emplace_back(x, y, z, E_BLOCK_AIR, 0);  // Use fake blocktype, it will get set later on.
-			};
-		};
+			}
+		}
 	}  // for y
 
 	// Get the values of all the blocks:

src/Generating/PrefabPiecePool.cpp

@@ -16,10 +16,12 @@
 
 // Conditionally log a warning
 #define CONDWARNING(ShouldLog, ...) \
-	if (ShouldLog) \
-	{ \
-		LOGWARNING(__VA_ARGS__); \
-	}
+	do { \
+		if (ShouldLog) \
+		{ \
+			LOGWARNING(__VA_ARGS__); \
+		} \
+	} while (false)
 
 
 

src/Generating/VerticalLimit.cpp

@@ -10,10 +10,12 @@
 
 // Emit a warning if the first param is true
 #define CONDWARNING(ShouldLog, Fmt, ...) \
-	if (ShouldLog) \
-	{ \
-		LOGWARNING(Fmt, __VA_ARGS__); \
-	}
+	do { \
+		if (ShouldLog) \
+		{ \
+			LOGWARNING(Fmt, __VA_ARGS__); \
+		} \
+	} while (false)
 
 
 

src/Generating/VerticalStrategy.cpp

@@ -20,10 +20,12 @@ static const int SEED_OFFSET = 135;
 
 // Emit a warning if the first param is true
 #define CONDWARNING(ShouldLog, Fmt, ...) \
-	if (ShouldLog) \
-	{ \
-		LOGWARNING(Fmt, __VA_ARGS__); \
-	}
+	do { \
+		if (ShouldLog) \
+		{ \
+			LOGWARNING(Fmt, __VA_ARGS__); \
+		} \
+	} while (false)
 
 
 

src/Map.cpp

@@ -299,11 +299,6 @@ const cMapDecorator cMap::CreateDecorator(const cEntity * a_TrackedEntity)
 	}
 	else
 	{
-		if ((PixelX > 320.0) || (PixelZ > 320.0))
-		{
-			;
-		}
-
 		Rot = 0;
 		Type = cMapDecorator::eType::E_TYPE_PLAYER_OUTSIDE;
 

src/Protocol/Protocol_1_11.cpp

@@ -320,10 +320,12 @@ namespace Metadata
 
 #define HANDLE_READ(ByteBuf, Proc, Type, Var) \
 	Type Var; \
-	if (!ByteBuf.Proc(Var))\
-	{\
-		return;\
-	}
+	do { \
+		if (!ByteBuf.Proc(Var))\
+		{\
+			return;\
+		} \
+	} while (false)
 
 
 

src/Protocol/Protocol_1_12.cpp

@@ -305,10 +305,12 @@ namespace Metadata
 
 #define HANDLE_READ(ByteBuf, Proc, Type, Var) \
 	Type Var; \
-	if (!ByteBuf.Proc(Var))\
-	{\
-		return;\
-	}
+	do { \
+		if (!ByteBuf.Proc(Var))\
+		{\
+			return;\
+		} \
+	} while (false)
 
 
 

src/Protocol/Protocol_1_8.cpp

@@ -61,25 +61,29 @@ static const Int16 SLOT_NUM_OUTSIDE = -999;
 
 #define HANDLE_READ(ByteBuf, Proc, Type, Var) \
 	Type Var; \
-	if (!ByteBuf.Proc(Var))\
-	{\
-		return;\
-	}
+	do { \
+		if (!ByteBuf.Proc(Var))\
+		{\
+			return;\
+		} \
+	} while (false)
 
 
 
 
 
 #define HANDLE_PACKET_READ(ByteBuf, Proc, Type, Var) \
 	Type Var; \
-	{ \
-		if (!ByteBuf.Proc(Var)) \
+	do { \
 		{ \
+			if (!ByteBuf.Proc(Var)) \
+			{ \
+				ByteBuf.CheckValid(); \
+				return false; \
+			} \
 			ByteBuf.CheckValid(); \
-			return false; \
 		} \
-		ByteBuf.CheckValid(); \
-	}
+	} while (false)
 
 
 
@@ -2789,7 +2793,7 @@ void cProtocol_1_8_0::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, con
 {
 	if (a_Channel == "MC|AdvCdm")
 	{
-		HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Mode)
+		HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Mode);
 		switch (Mode)
 		{
 			case 0x00:

src/Protocol/Protocol_1_9.cpp

@@ -70,25 +70,29 @@ static const UInt32 OFF_HAND = 1;
 
 #define HANDLE_READ(ByteBuf, Proc, Type, Var) \
 	Type Var; \
-	if (!ByteBuf.Proc(Var))\
-	{\
-		return;\
-	}
+	do { \
+		if (!ByteBuf.Proc(Var))\
+		{\
+			return;\
+		} \
+	} while (false)
 
 
 
 
 
 #define HANDLE_PACKET_READ(ByteBuf, Proc, Type, Var) \
 	Type Var; \
-	{ \
-		if (!ByteBuf.Proc(Var)) \
+	do { \
 		{ \
+			if (!ByteBuf.Proc(Var)) \
+			{ \
+				ByteBuf.CheckValid(); \
+				return false; \
+			} \
 			ByteBuf.CheckValid(); \
-			return false; \
 		} \
-		ByteBuf.CheckValid(); \
-	}
+	} while (false)
 
 
 
@@ -2922,7 +2926,7 @@ void cProtocol_1_9_0::HandleVanillaPluginMessage(cByteBuffer & a_ByteBuffer, con
 {
 	if (a_Channel == "MC|AdvCdm")
 	{
-		HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Mode)
+		HANDLE_READ(a_ByteBuffer, ReadBEUInt8, UInt8, Mode);
 		switch (Mode)
 		{
 			case 0x00:

src/Simulator/IncrementalRedstoneSimulator/SmallGateHandler.h

@@ -49,6 +49,6 @@ class cSmallGateHandler : public cRedstoneHandler
 		UNUSED(a_World);
 		UNUSED(a_BlockType);
 		UNUSED(a_Meta);
-		return GetAdjustedRelatives(a_Position, GetRelativeAdjacents());;
+		return GetAdjustedRelatives(a_Position, GetRelativeAdjacents());
 	}
 };

src/Simulator/IncrementalRedstoneSimulator/TNTHandler.h

@@ -49,6 +49,6 @@ class cTNTHandler : public cRedstoneHandler
 		UNUSED(a_World);
 		UNUSED(a_BlockType);
 		UNUSED(a_Meta);
-		return GetAdjustedRelatives(a_Position, GetRelativeAdjacents());;
+		return GetAdjustedRelatives(a_Position, GetRelativeAdjacents());
 	}
 };

src/WorldStorage/FastNBT.cpp

@@ -143,10 +143,12 @@ std::error_code make_error_code(eNBTParseError a_Err) NOEXCEPT
 // cParsedNBT:
 
 #define NEEDBYTES(N, ERR) \
-	if (m_Length - m_Pos < static_cast<size_t>(N)) \
-	{ \
-		return ERR; \
-	}
+	do { \
+		if (m_Length - m_Pos < static_cast<size_t>(N)) \
+		{ \
+			return ERR; \
+		} \
+	} while (false)