27 files changed, 192 insertions, 181 deletions

diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index 7ec099982..c1e71bd5c 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -2004,7 +2004,7 @@ void cLuaState::LogStackTrace(lua_State * a_LuaState, int a_StartingDepth)
 
 
 
-int cLuaState::ApiParamError(const char * a_MsgFormat, fmt::ArgList argp)
+int cLuaState::ApiParamError(fmt::StringRef a_Msg)
 {
 	// Retrieve current function name
 	lua_Debug entry;
@@ -2012,8 +2012,7 @@ int cLuaState::ApiParamError(const char * a_MsgFormat, fmt::ArgList argp)
 	VERIFY(lua_getinfo(m_LuaState, "n", &entry));
 
 	// Compose the error message:
-	AString msg = Printf(a_MsgFormat, argp);
-	AString errorMsg = fmt::format("{0}: {1}", (entry.name != nullptr) ? entry.name : "<unknown function>", msg);
+	AString errorMsg = fmt::format("{0}: {1}", (entry.name != nullptr) ? entry.name : "<unknown function>", a_Msg);
 
 	// Log everything into the console:
 	LOGWARNING("%s", errorMsg.c_str());
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index 2510c6f0b..362f16e21 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -820,11 +820,29 @@ public:
 	/** Logs all items in the current stack trace to the server console */
 	static void LogStackTrace(lua_State * a_LuaState, int a_StartingDepth = 0);
 
-	/** Formats and prints the message, prefixed with the current function name, then logs the stack contents and raises a Lua error.
+	/** Prints the message, prefixed with the current function name, then logs the stack contents and raises a Lua error.
 	To be used for bindings when they detect bad parameters.
 	Doesn't return, but a dummy return type is provided so that Lua API functions may do "return ApiParamError(...)". */
-	int ApiParamError(const char * a_MsgFormat, fmt::ArgList);
-	FMT_VARIADIC(int, ApiParamError, const char *)
+	int ApiParamError(fmt::StringRef a_Msg);
+
+	/** Formats and prints the message using printf-style format specifiers, but prefixed with the current function name, then logs the stack contents and raises a Lua error.
+	To be used for bindings when they detect bad parameters.
+	Doesn't return, but a dummy return type is provided so that Lua API functions may do "return ApiParamError(...)". */
+	template <typename... Args>
+	int ApiParamError(const char * a_MsgFormat, const Args & ... a_Args)
+	{
+		return ApiParamError(Printf(a_MsgFormat, a_Args...));
+	}
+
+	/** Formats and prints the message using python-style format specifiers, but prefixed with the current function name, then logs the stack contents and raises a Lua error.
+	To be used for bindings when they detect bad parameters.
+	Doesn't return, but a dummy return type is provided so that Lua API functions may do "return ApiParamError(...)". */
+	template <typename... Args>
+	int FApiParamError(const char * a_MsgFormat, const Args & ... a_Args)
+	{
+		return ApiParamError(fmt::format(a_MsgFormat, a_Args...));
+	}
+
 
 	/** Returns the type of the item on the specified position in the stack */
 	AString GetTypeText(int a_StackPos);
diff --git a/src/Bindings/ManualBindings.h b/src/Bindings/ManualBindings.h
index fb19d5a61..42e34eda2 100644
--- a/src/Bindings/ManualBindings.h
+++ b/src/Bindings/ManualBindings.h
@@ -288,17 +288,17 @@ public:
 		L.GetStackValues(1, Self, BlockX, BlockY, BlockZ, FnRef);
 		if (Self == nullptr)
 		{
-			return lua_do_error(tolua_S, "Error in function call '#funcname#': Invalid 'self'");
+			return L.ApiParamError("Invalid 'self'");
 		}
 		if (!FnRef.IsValid())
 		{
-			return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a valid callback function for parameter #5");
+			return L.ApiParamError("Expected a valid callback function for parameter #5");
 		}
 		if (!(Self->*CoordCheckFn)(BlockX, BlockY, BlockZ))
 		{
-			return lua_do_error(tolua_S, Printf("Error in function call '#funcname#': The provided coordinates ({%d, %d, %d}) are not valid",
-				BlockX, BlockY, BlockZ
-			).c_str());
+			return L.FApiParamError("The provided coordinates ({0}) are not valid",
+				Vector3i{BlockX, BlockY, BlockZ}
+			);
 		}
 
 		// Call the DoWith function:
diff --git a/src/Bindings/ManualBindings_BlockArea.cpp b/src/Bindings/ManualBindings_BlockArea.cpp
index 72d9f7497..b2c634b33 100644
--- a/src/Bindings/ManualBindings_BlockArea.cpp
+++ b/src/Bindings/ManualBindings_BlockArea.cpp
@@ -129,7 +129,7 @@ static int tolua_cBlockArea_Create(lua_State * a_LuaState)
 	// Create the area:
 	if ((size.x <= 0) || (size.y <= 0) || (size.z <= 0))
 	{
-		return L.ApiParamError("Invalid sizes, must be greater than zero, got {%d, %d, %d}", size.x, size.y, size.z);
+		return L.FApiParamError("Invalid sizes, must be greater than zero, got {0}", size);
 	}
 	ASSERT(self != nullptr);
 	self->Create(size, dataTypes);
@@ -216,10 +216,8 @@ static int tolua_cBlockArea_GetBlockTypeMeta(lua_State * a_LuaState)
 	readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidCoords(coords))
 	{
-		return L.ApiParamError("Coords ({%d, %d, %d}) out of range ({%d, %d, %d} - {%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetOriginX(), self->GetOriginY(), self->GetOriginZ(),
-			self->GetOriginX() + self->GetSizeX() - 1, self->GetOriginY() + self->GetSizeY() - 1, self->GetOriginZ() + self->GetSizeZ() - 1
+		return L.FApiParamError("Coords ({0}) out of range ({1} - {2).",
+			coords, self->GetOrigin(), self->GetOrigin() + self->GetSize() - Vector3i{1, 1, 1}
 		);
 	}
 	BLOCKTYPE blockType;
@@ -368,9 +366,8 @@ static int tolua_cBlockArea_GetRelBlockTypeMeta(lua_State * a_LuaState)
 	readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidRelCoords(coords))
 	{
-		return L.ApiParamError("The coords ({%d, %d, %d}) are out of range (max {%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetSizeX() - 1, self->GetSizeY() - 1, self->GetSizeZ() - 1
+		return L.FApiParamError("The coords ({0}) are out of range (max {1}).",
+			coords, self->GetSize() - Vector3i{1, 1, 1}
 		);
 	}
 	BLOCKTYPE blockType;
@@ -518,32 +515,32 @@ static int tolua_cBlockArea_Read(lua_State * a_LuaState)
 	bounds.Sort();
 	if (bounds.p1.y < 0)
 	{
-		LOGWARNING("cBlockArea:Read(): MinBlockY less than zero, adjusting to zero. Coords: {%d, %d, %d} - {%d, %d, %d}",
-			bounds.p1.x, bounds.p1.y, bounds.p1.z, bounds.p2.x, bounds.p2.y, bounds.p2.z
+		FLOGWARNING("cBlockArea:Read(): MinBlockY less than zero, adjusting to zero. Coords: {0} - {1}",
+			bounds.p1, bounds.p2
 		);
 		L.LogStackTrace();
 		bounds.p1.y = 0;
 	}
 	else if (bounds.p1.y >= cChunkDef::Height)
 	{
-		LOGWARNING("cBlockArea:Read(): MinBlockY more than chunk height, adjusting to chunk height. Coords: {%d, %d, %d} - {%d, %d, %d}",
-			bounds.p1.x, bounds.p1.y, bounds.p1.z, bounds.p2.x, bounds.p2.y, bounds.p2.z
+		FLOGWARNING("cBlockArea:Read(): MinBlockY more than chunk height, adjusting to chunk height. Coords: {0} - {1}",
+			bounds.p1, bounds.p2
 		);
 		L.LogStackTrace();
 		bounds.p1.y = cChunkDef::Height - 1;
 	}
 	if (bounds.p2.y < 0)
 	{
-		LOGWARNING("cBlockArea:Read(): MaxBlockY less than zero, adjusting to zero. Coords: {%d, %d, %d} - {%d, %d, %d}",
-			bounds.p1.x, bounds.p1.y, bounds.p1.z, bounds.p2.x, bounds.p2.y, bounds.p2.z
+		FLOGWARNING("cBlockArea:Read(): MaxBlockY less than zero, adjusting to zero. Coords: {0} - {1}",
+			bounds.p1, bounds.p2
 		);
 		L.LogStackTrace();
 		bounds.p2.y = 0;
 	}
 	else if (bounds.p2.y > cChunkDef::Height)
 	{
-		LOGWARNING("cBlockArea:Read(): MaxBlockY more than chunk height, adjusting to chunk height. Coords: {%d, %d, %d} - {%d, %d, %d}",
-			bounds.p1.x, bounds.p1.y, bounds.p1.z, bounds.p2.x, bounds.p2.y, bounds.p2.z
+		FLOGWARNING("cBlockArea:Read(): MaxBlockY more than chunk height, adjusting to chunk height. Coords: {0} - {1}",
+			bounds.p1, bounds.p2
 		);
 		L.LogStackTrace();
 		bounds.p2.y = cChunkDef::Height;
@@ -789,10 +786,8 @@ static int GetBlock(lua_State * a_LuaState)
 	readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidCoords(coords))
 	{
-		return L.ApiParamError("The coords ({%d, %d, %d}) are out of range ({%d, %d, %d} - {%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetOriginX(), self->GetOriginY(), self->GetOriginZ(),
-			self->GetOriginX() + self->GetSizeX() - 1, self->GetOriginY() + self->GetSizeY() - 1, self->GetOriginZ() + self->GetSizeZ() - 1
+		return L.FApiParamError("The coords ({0}) are out of range ({1} - {2}).",
+			coords, self->GetOrigin(), self->GetOrigin() + self->GetSize() - Vector3i{1, 1, 1}
 		);
 	}
 
@@ -842,9 +837,8 @@ static int GetRelBlock(lua_State * a_LuaState)
 	readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidRelCoords(coords))
 	{
-		return L.ApiParamError("The coords ({%d, %d, %d}) are out of range ({%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetSizeX(), self->GetSizeY(), self->GetSizeZ()
+		return L.ApiParamError("The coords ({0}) are out of range ({1}).",
+			coords, self->GetSize()
 		);
 	}
 
@@ -894,10 +888,8 @@ static int SetBlock(lua_State * a_LuaState)
 	auto idx = readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidCoords(coords))
 	{
-		return L.ApiParamError("The coords ({%d, %d, %d}) are out of range ({%d, %d, %d} - {%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetOriginX(), self->GetOriginY(), self->GetOriginZ(),
-			self->GetOriginX() + self->GetSizeX() - 1, self->GetOriginY() + self->GetSizeY() - 1, self->GetOriginZ() + self->GetSizeZ() - 1
+		return L.FApiParamError("The coords ({0}) are out of range ({1} - {2}).",
+			coords, self->GetOrigin(), self->GetOrigin() + self->GetSize() - Vector3i{1, 1, 1}
 		);
 	}
 	DataType data;
@@ -949,9 +941,8 @@ static int SetRelBlock(lua_State * a_LuaState)
 	auto idx = readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidRelCoords(coords))
 	{
-		return L.ApiParamError("The coords ({%d, %d, %d}) are out of range ({%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetSizeX(), self->GetSizeY(), self->GetSizeZ()
+		return L.FApiParamError("The coords ({0}) are out of range ({1}).",
+			coords, self->GetSize()
 		);
 	}
 	DataType data;
@@ -993,10 +984,8 @@ static int tolua_cBlockArea_SetBlockTypeMeta(lua_State * a_LuaState)
 	auto idx = readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidCoords(coords))
 	{
-		return L.ApiParamError("The coords ({%d, %d, %d}) are out of range ({%d, %d, %d} - {%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetOriginX(), self->GetOriginY(), self->GetOriginZ(),
-			self->GetOriginX() + self->GetSizeX() - 1, self->GetOriginY() + self->GetSizeY() - 1, self->GetOriginZ() + self->GetSizeZ() - 1
+		return L.FApiParamError("The coords ({0}) are out of range ({1} - {2}).",
+			coords, self->GetOrigin(), self->GetOrigin() + self->GetSize() - Vector3i{1, 1, 1}
 		);
 	}
 
@@ -1043,9 +1032,8 @@ static int tolua_cBlockArea_SetRelBlockTypeMeta(lua_State * a_LuaState)
 	auto idx = readVector3iOverloadParams(L, 2, coords, "coords");
 	if (!self->IsValidRelCoords(coords))
 	{
-		return L.ApiParamError("The coords ({%d, %d, %d}) are out of range ({%d, %d, %d}).",
-			coords.x, coords.y, coords.z,
-			self->GetSizeX(), self->GetSizeY(), self->GetSizeZ()
+		return L.FApiParamError("The coords ({0}) are out of range ({1}).",
+			coords, self->GetSize()
 		);
 	}
 
diff --git a/src/BlockEntities/HopperEntity.cpp b/src/BlockEntities/HopperEntity.cpp
index 91340f35b..6eb5f961d 100644
--- a/src/BlockEntities/HopperEntity.cpp
+++ b/src/BlockEntities/HopperEntity.cpp
@@ -334,7 +334,7 @@ bool cHopperEntity::MoveItemsOut(cChunk & a_Chunk, Int64 a_CurrentTick)
 			cBlockEntityWithItems * BlockEntity = static_cast<cBlockEntityWithItems *>(DestChunk->GetBlockEntity(OutX, OutY, OutZ));
 			if (BlockEntity == nullptr)
 			{
-				LOGWARNING("%s: A block entity was not found where expected at {%d, %d, %d}", __FUNCTION__, OutX, OutY, OutZ);
+				FLOGWARNING("{0}: A block entity was not found where expected at {1}", __FUNCTION__, Vector3i{OutX, OutY, OutZ});
 				return false;
 			}
 			res = MoveItemsToGrid(*BlockEntity);
@@ -360,7 +360,7 @@ bool cHopperEntity::MoveItemsFromChest(cChunk & a_Chunk)
 	cChestEntity * MainChest = static_cast<cChestEntity *>(a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ));
 	if (MainChest == nullptr)
 	{
-		LOGWARNING("%s: A chest entity was not found where expected, at {%d, %d, %d}", __FUNCTION__, m_PosX, m_PosY + 1, m_PosZ);
+		FLOGWARNING("{0}: A chest entity was not found where expected, at {1}", __FUNCTION__, GetPos() + Vector3i{0, 1, 0});
 		return false;
 	}
 	if (MoveItemsFromGrid(*MainChest))
@@ -401,7 +401,7 @@ bool cHopperEntity::MoveItemsFromChest(cChunk & a_Chunk)
 		cChestEntity * SideChest = static_cast<cChestEntity *>(Neighbor->GetBlockEntity(m_PosX + Coords[i].x, m_PosY + 1, m_PosZ + Coords[i].z));
 		if (SideChest == nullptr)
 		{
-			LOGWARNING("%s: A chest entity was not found where expected, at {%d, %d, %d}", __FUNCTION__, m_PosX + Coords[i].x, m_PosY + 1, m_PosZ + Coords[i].z);
+			FLOGWARNING("{0}: A chest entity was not found where expected, at {1}", __FUNCTION__, GetPos() + Vector3i{Coords[i].x, 1, Coords[i].z});
 		}
 		else
 		{
@@ -426,7 +426,7 @@ bool cHopperEntity::MoveItemsFromFurnace(cChunk & a_Chunk)
 	cFurnaceEntity * Furnace = static_cast<cFurnaceEntity *>(a_Chunk.GetBlockEntity(m_PosX, m_PosY + 1, m_PosZ));
 	if (Furnace == nullptr)
 	{
-		LOGWARNING("%s: A furnace entity was not found where expected, at {%d, %d, %d}", __FUNCTION__, m_PosX, m_PosY + 1, m_PosZ);
+		FLOGWARNING("{0}: A furnace entity was not found where expected, at {1}", __FUNCTION__, GetPos() + Vector3i{0, 1, 0});
 		return false;
 	}
 
@@ -527,7 +527,7 @@ bool cHopperEntity::MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_Block
 	cChestEntity * ConnectedChest = static_cast<cChestEntity *>(a_Chunk.GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ));
 	if (ConnectedChest == nullptr)
 	{
-		LOGWARNING("%s: A chest entity was not found where expected, at {%d, %d, %d}", __FUNCTION__, a_BlockX, a_BlockY, a_BlockZ);
+		FLOGWARNING("{0}: A chest entity was not found where expected, at {1}", __FUNCTION__, Vector3i{a_BlockX, a_BlockY, a_BlockZ});
 		return false;
 	}
 	if (MoveItemsToGrid(*ConnectedChest))
@@ -570,7 +570,7 @@ bool cHopperEntity::MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_Block
 		cChestEntity * Chest = static_cast<cChestEntity *>(Neighbor->GetBlockEntity(a_BlockX + Coords[i].x, a_BlockY, a_BlockZ + Coords[i].z));
 		if (Chest == nullptr)
 		{
-			LOGWARNING("%s: A chest entity was not found where expected, at {%d, %d, %d} (%d, %d)", __FUNCTION__, a_BlockX + Coords[i].x, a_BlockY, a_BlockZ + Coords[i].z, x, z);
+			FLOGWARNING("{0}: A chest entity was not found where expected, at {1} ({2}, {3}})", __FUNCTION__, Vector3i{a_BlockX + Coords[i].x, a_BlockY, a_BlockZ + Coords[i].z}, x, z);
 			continue;
 		}
 		if (MoveItemsToGrid(*Chest))
diff --git a/src/BlockEntities/MobSpawnerEntity.cpp b/src/BlockEntities/MobSpawnerEntity.cpp
index b92139025..595f433b7 100644
--- a/src/BlockEntities/MobSpawnerEntity.cpp
+++ b/src/BlockEntities/MobSpawnerEntity.cpp
@@ -64,7 +64,7 @@ bool cMobSpawnerEntity::UsedBy(cPlayer * a_Player)
 		{
 			a_Player->GetInventory().RemoveOneEquippedItem();
 		}
-		LOGD("Changed monster spawner at {%d, %d, %d} to type %s.", GetPosX(), GetPosY(), GetPosZ(), cMonster::MobTypeToString(MonsterType).c_str());
+		FLOGD("Changed monster spawner at {0} to type {1}.", GetPos(), cMonster::MobTypeToString(MonsterType));
 		return true;
 	}
 	return false;
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index f4af65b60..41a59c103 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -638,7 +638,7 @@ void cChunk::SpawnMobs(cMobSpawner & a_MobSpawner)
 		double ActualX = WorldX + 0.5;
 		double ActualZ = WorldZ + 0.5;
 		newMob->SetPosition(ActualX, WorldY, ActualZ);
-		LOGD("Spawning %s #%i at {%d, %d, %d}", newMob->GetClass(), newMob->GetUniqueID(), WorldX, WorldY, WorldZ);
+		FLOGD("Spawning {0} #{1} at {2}", newMob->GetClass(), newMob->GetUniqueID(), Vector3i{WorldX, WorldY, WorldZ});
 		NumberOfSuccess++;
 	}  // while (retry)
 }
@@ -1056,11 +1056,11 @@ bool cChunk::GrowMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Bl
 		{
 			// Place a randomly-facing produce:
 			NIBBLETYPE Meta = (ProduceType == E_BLOCK_MELON) ? 0 : static_cast<NIBBLETYPE>(Random.RandInt(4) % 4);
-			LOGD("Growing melon / pumpkin at {%d, %d, %d} (<%d, %d> from stem), overwriting %s, growing on top of %s, meta %d",
-				a_RelX + x + m_PosX * cChunkDef::Width, a_RelY, a_RelZ + z + m_PosZ * cChunkDef::Width,
+			FLOGD("Growing melon / pumpkin at {0} (<{1}, {2}> from stem), overwriting {3}, growing on top of {4}, meta {5}",
+				PositionToWorldPosition(a_RelX + x, a_RelY, a_RelZ + z),
 				x, z,
-				ItemTypeToString(BlockType[CheckType]).c_str(),
-				ItemTypeToString(Soil).c_str(),
+				ItemTypeToString(BlockType[CheckType]),
+				ItemTypeToString(Soil),
 				Meta
 			);
 			VERIFY(UnboundedRelFastSetBlock(a_RelX + x, a_RelY, a_RelZ + z, ProduceType, Meta));
diff --git a/src/ChunkDef.h b/src/ChunkDef.h
index d73bd4198..bfed62aae 100644
--- a/src/ChunkDef.h
+++ b/src/ChunkDef.h
@@ -217,7 +217,7 @@ public:
 		{
 			return MakeIndexNoCheck(x, y, z);
 		}
-		LOGERROR("cChunkDef::MakeIndex(): coords out of range: {%d, %d, %d}; returning fake index 0", x, y, z);
+		FLOGERROR("cChunkDef::MakeIndex(): coords out of range: {0}; returning fake index 0", Vector3i{x, y, z});
 		ASSERT(!"cChunkDef::MakeIndex(): coords out of chunk range!");
 		return 0;
 	}
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 027623151..f80b5c5af 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -1059,8 +1059,8 @@ void cClientHandle::HandleAnvilItemName(const AString & a_ItemName)
 
 void cClientHandle::HandleLeftClick(int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, UInt8 a_Status)
 {
-	LOGD("HandleLeftClick: {%i, %i, %i}; Face: %i; Stat: %i",
-		a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_Status
+	FLOGD("HandleLeftClick: {0}; Face: {1}; Stat: {2}",
+		Vector3i{a_BlockX, a_BlockY, a_BlockZ}, a_BlockFace, a_Status
 	);
 
 	m_NumBlockChangeInteractionsThisTick++;
@@ -1298,9 +1298,9 @@ void cClientHandle::HandleBlockDigFinished(int a_BlockX, int a_BlockY, int a_Blo
 		(m_LastDigBlockZ != a_BlockZ)
 	)
 	{
-		LOGD("Prevented a dig / aim bug in the client (finish {%d, %d, %d} vs start {%d, %d, %d}, HSD: %s)",
-			a_BlockX, a_BlockY, a_BlockZ,
-			m_LastDigBlockX, m_LastDigBlockY, m_LastDigBlockZ,
+		FLOGD("Prevented a dig / aim bug in the client (finish {0} vs start {1}, HSD: {2})",
+			Vector3i{a_BlockX, a_BlockY, a_BlockZ},
+			Vector3i{m_LastDigBlockX, m_LastDigBlockY, m_LastDigBlockZ},
 			(m_HasStartedDigging ? "True" : "False")
 		);
 		return;
@@ -1424,8 +1424,8 @@ void cClientHandle::HandleRightClick(int a_BlockX, int a_BlockY, int a_BlockZ, e
 	// TODO: This distance should be calculated from the point that the cursor pointing at, instead of the center of the block
 	// Distance from the block's center to the player's eye height
 	double Dist = (Vector3d(a_BlockX, a_BlockY, a_BlockZ) + Vector3d(0.5, 0.5, 0.5) - m_Player->GetEyePosition()).Length();
-	LOGD("HandleRightClick: {%d, %d, %d}, face %d, Hand: %d, HeldItem: %s; Dist: %.02f",
-		a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_Hand, ItemToFullString(HeldItem).c_str(), Dist
+	FLOGD("HandleRightClick: {0}, face {1}, Hand: {2}, HeldItem: {3}; Dist: {4:.02f}",
+		Vector3i{a_BlockX, a_BlockY, a_BlockZ}, a_BlockFace, a_Hand, ItemToFullString(HeldItem), Dist
 	);
 
 	// Check the reach distance:
@@ -2789,8 +2789,8 @@ void cClientHandle::SendPlayerMaxSpeed(void)
 void cClientHandle::SendPlayerMoveLook(void)
 {
 	/*
-	LOGD("Sending PlayerMoveLook: {%0.2f, %0.2f, %0.2f}, stance %0.2f, OnGround: %d",
-		m_Player->GetPosX(), m_Player->GetPosY(), m_Player->GetPosZ(), m_Player->GetStance(), m_Player->IsOnGround() ? 1 : 0
+	FLOGD("Sending PlayerMoveLook: {0:0.2f}, stance {1:0.2f}, OnGround: {2}",
+		m_Player->GetPosition(), m_Player->GetStance(), m_Player->IsOnGround()
 	);
 	*/
 	m_Protocol->SendPlayerMoveLook();
diff --git a/src/Entities/ArrowEntity.cpp b/src/Entities/ArrowEntity.cpp
index 2db0baad6..0fc0f095d 100644
--- a/src/Entities/ArrowEntity.cpp
+++ b/src/Entities/ArrowEntity.cpp
@@ -25,9 +25,8 @@ cArrowEntity::cArrowEntity(cEntity * a_Creator, double a_X, double a_Y, double a
 	SetAirDrag(0.2f);
 	SetYawFromSpeed();
 	SetPitchFromSpeed();
-	LOGD("Created arrow %d with speed {%.02f, %.02f, %.02f} and rot {%.02f, %.02f}",
-		m_UniqueID, GetSpeedX(), GetSpeedY(), GetSpeedZ(),
-		GetYaw(), GetPitch()
+	FLOGD("Created arrow {0} with speed {1:.02f} and rot {{{2:.02f}, {3:.02f}}}",
+		m_UniqueID, GetSpeed(), GetYaw(), GetPitch()
 	);
 }
 
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 4c9900aa9..c0c381d41 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -88,12 +88,12 @@ cEntity::~cEntity()
 
 	/*
 	// DEBUG:
-	LOGD("Deleting entity %d at pos {%.2f, %.2f, %.2f} ~ [%d, %d]; ptr %p",
+	FLOGD("Deleting entity {0} at pos {1:.2f} ~ [{2}, {3}]; ptr {4}",
 		m_UniqueID,
-		m_Pos.x, m_Pos.y, m_Pos.z,
-		(int)(m_Pos.x / cChunkDef::Width), (int)(m_Pos.z / cChunkDef::Width),
-		this
-		);
+		m_Pos,
+		GetChunkX(), GetChunkZ(),
+		static_cast<void *>(this)
+	);
 	*/
 
 	if (m_AttachedTo != nullptr)
@@ -146,8 +146,8 @@ bool cEntity::Initialize(OwnedEntity a_Self, cWorld & a_EntityWorld)
 
 	/*
 	// DEBUG:
-	LOGD("Initializing entity #%d (%s) at {%.02f, %.02f, %.02f}",
-		m_UniqueID, GetClass(), m_Pos.x, m_Pos.y, m_Pos.z
+	FLOGD("Initializing entity #{0} ({1}) at {2:.02f}",
+		m_UniqueID, GetClass(), m_Pos
 	);
 	*/
 
@@ -992,8 +992,8 @@ void cEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 
 		/*
 		// DEBUG:
-		LOGD("Entity #%d (%s) is inside a block at {%d, %d, %d}",
-			m_UniqueID, GetClass(), BlockX, BlockY, BlockZ
+		FLOGD("Entity #{0} ({1}) is inside a block at {{2}}",
+			m_UniqueID, GetClass(), Vector3i{BlockX, BlockY, BlockZ}
 		);
 		*/
 	}
diff --git a/src/Entities/FallingBlock.cpp b/src/Entities/FallingBlock.cpp
index cbbb97202..0e03d50ce 100644
--- a/src/Entities/FallingBlock.cpp
+++ b/src/Entities/FallingBlock.cpp
@@ -71,11 +71,11 @@ void cFallingBlock::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	{
 		// Fallen onto a solid block
 		/*
-		LOGD(
-			"Sand: Checked below at {%d, %d, %d} (rel {%d, %d, %d}), it's %s, finishing the fall.",
-			BlockX, BlockY, BlockZ,
-			BlockX - a_Chunk.GetPosX() * cChunkDef::Width, BlockY, BlockZ - a_Chunk.GetPosZ() * cChunkDef::Width,
-			ItemTypeToString(BlockBelow).c_str()
+		FLOGD(
+			"Sand: Checked below at {0} (rel {1}), it's {2}, finishing the fall.",
+			Vector3i{BlockX, BlockY, BlockZ},
+			cChunkDef::AbsoluteToRelative({BlockX, BlockY, BlockZ}, {a_Chunk.GetPosX(), a_Chunk.GetPosZ()}),
+			ItemTypeToString(BlockBelow)
 		);
 		*/
 
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index cd1414adb..044b802b7 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -150,8 +150,8 @@ cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) :
 
 		SetWorld(World);  // Use default world
 
-		LOGD("Player \"%s\" is connecting for the first time, spawning at default world spawn {%.2f, %.2f, %.2f}",
-			a_PlayerName.c_str(), GetPosX(), GetPosY(), GetPosZ()
+		FLOGD("Player \"{0}\" is connecting for the first time, spawning at default world spawn {1:.2f}",
+			a_PlayerName, GetPosition()
 		);
 	}
 
@@ -2256,8 +2256,8 @@ bool cPlayer::LoadFromFile(const AString & a_FileName, cWorldPtr & a_World)
 	cStatSerializer StatSerializer(cRoot::Get()->GetDefaultWorld()->GetDataPath(), GetName(), GetUUID().ToLongString(), &m_Stats);
 	StatSerializer.Load();
 
-	LOGD("Player %s was read from file \"%s\", spawning at {%.2f, %.2f, %.2f} in world \"%s\"",
-		GetName().c_str(), a_FileName.c_str(), GetPosX(), GetPosY(), GetPosZ(), a_World->GetName().c_str()
+	FLOGD("Player {0} was read from file \"{1}\", spawning at {2:.2f} in world \"{3}\"",
+		GetName(), a_FileName, GetPosition(), a_World->GetName()
 	);
 
 	return true;
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index 915475f2a..4a5da0874 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -60,11 +60,11 @@ protected:
 	{
 		/*
 		// DEBUG:
-		LOGD("Hit block %d:%d at {%d, %d, %d} face %d, %s (%s)",
+		FLOGD("Hit block {0}:{1} at {2} face {3}, {4} ({5})",
 			a_BlockType, a_BlockMeta,
-			a_BlockX, a_BlockY, a_BlockZ, a_EntryFace,
+			Vector3i{a_BlockX, a_BlockY, a_BlockZ}, a_EntryFace,
 			cBlockInfo::IsSolid(a_BlockType) ? "solid" : "non-solid",
-			ItemToString(cItem(a_BlockType, 1, a_BlockMeta)).c_str()
+			ItemToString(cItem(a_BlockType, 1, a_BlockMeta))
 		);
 		*/
 
@@ -306,10 +306,8 @@ void cProjectileEntity::OnHitSolidBlock(Vector3d a_HitPos, eBlockFace a_HitFace)
 	SetSpeed(0, 0, 0);
 
 	// DEBUG:
-	LOGD("Projectile %d: pos {%.02f, %.02f, %.02f}, hit solid block at face %d",
-		m_UniqueID,
-		a_HitPos.x, a_HitPos.y, a_HitPos.z,
-		a_HitFace
+	FLOGD("Projectile {0}: pos {1:.02f}, hit solid block at face {2}",
+		m_UniqueID, a_HitPos, a_HitFace
 	);
 
 	m_IsInGround = true;
@@ -401,11 +399,11 @@ void cProjectileEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a
 		Vector3d HitPos = Pos + (NextPos - Pos) * EntityCollisionCallback.GetMinCoeff();
 
 		// DEBUG:
-		LOGD("Projectile %d has hit an entity %d (%s) at {%.02f, %.02f, %.02f} (coeff %.03f)",
+		FLOGD("Projectile {0} has hit an entity {1} ({2}) at {3:.02f} (coeff {4:.03f})",
 			m_UniqueID,
 			EntityCollisionCallback.GetHitEntity()->GetUniqueID(),
 			EntityCollisionCallback.GetHitEntity()->GetClass(),
-			HitPos.x, HitPos.y, HitPos.z,
+			HitPos,
 			EntityCollisionCallback.GetMinCoeff()
 		);
 
@@ -438,11 +436,8 @@ void cProjectileEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a
 	SetPitchFromSpeed();
 
 	/*
-	LOGD("Projectile %d: pos {%.02f, %.02f, %.02f}, speed {%.02f, %.02f, %.02f}, rot {%.02f, %.02f}",
-		m_UniqueID,
-		GetPosX(), GetPosY(), GetPosZ(),
-		GetSpeedX(), GetSpeedY(), GetSpeedZ(),
-		GetYaw(), GetPitch()
+	FLOGD("Projectile {0}: pos {1:.02f}, speed {2:.02f}, rot {{{3:.02f}, {4:.02f}}}",
+		m_UniqueID, GetPos(), GetSpeed(), GetYaw(), GetPitch()
 	);
 	*/
 }
diff --git a/src/Entities/TNTEntity.cpp b/src/Entities/TNTEntity.cpp
index f83384649..640684ace 100644
--- a/src/Entities/TNTEntity.cpp
+++ b/src/Entities/TNTEntity.cpp
@@ -35,7 +35,7 @@ void cTNTEntity::Explode(void)
 {
 	m_FuseTicks = 0;
 	Destroy(true);
-	LOGD("BOOM at {%f, %f, %f}", GetPosX(), GetPosY(), GetPosZ());
+	FLOGD("BOOM at {0}", GetPosition());
 	m_World->DoExplosionAt(4.0, GetPosX() + 0.49, GetPosY() + 0.49, GetPosZ() + 0.49, true, esPrimedTNT, this);
 }
 
diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp
index ec5c0c144..3c608e026 100644
--- a/src/Generating/FinishGen.cpp
+++ b/src/Generating/FinishGen.cpp
@@ -1548,7 +1548,7 @@ bool cFinishGenPassiveMobs::TrySpawnAnimals(cChunkDesc & a_ChunkDesc, int a_RelX
 	auto NewMob = cMonster::NewMonsterFromType(AnimalToSpawn);
 	NewMob->SetHealth(NewMob->GetMaxHealth());
 	NewMob->SetPosition(AnimalX, AnimalY, AnimalZ);
-	LOGD("Spawning %s #%i at {%.02f, %.02f, %.02f}", NewMob->GetClass(), NewMob->GetUniqueID(), AnimalX, AnimalY, AnimalZ);
+	FLOGD("Spawning {0} #{1} at {2:.02f}", NewMob->GetClass(), NewMob->GetUniqueID(), NewMob->GetPosition());
 	a_ChunkDesc.GetEntities().emplace_back(std::move(NewMob));
 
 	return true;
@@ -1988,7 +1988,7 @@ void cFinishGenOrePockets::imprintSphere(
 		(blockZ >= baseZ) && (blockZ < baseZ + cChunkDef::Width)
 	)
 	{
-		// LOGD("Imprinting a sphere center at {%d, %d, %d}", blockX, blockY, blockZ);
+		// FLOGD("Imprinting a sphere center at {0}", Vector3i{blockX, blockY, blockZ});
 		a_ChunkDesc.SetBlockTypeMeta(blockX - baseX, blockY, blockZ - baseZ, a_OreType, a_OreMeta);
 	}
 	return;
diff --git a/src/Generating/PieceGeneratorBFSTree.cpp b/src/Generating/PieceGeneratorBFSTree.cpp
index 1d0be3482..b6929d4b0 100644
--- a/src/Generating/PieceGeneratorBFSTree.cpp
+++ b/src/Generating/PieceGeneratorBFSTree.cpp
@@ -235,12 +235,11 @@ void cPieceGeneratorBFSTree::PlacePieces(int a_BlockX, int a_BlockZ, int a_MaxDe
 
 	/*
 	// DEBUG:
-	printf("Placed the starting piece at {%d, %d, %d}\n", a_BlockX, a_BlockY, a_BlockZ);
+	FLOGD("Placed the starting piece at {0}", Vector3i{a_BlockX, a_BlockY, a_BlockZ});
 	cCuboid Hitbox = a_OutPieces[0]->GetHitBox();
 	Hitbox.Sort();
-	printf("  Hitbox: {%d, %d, %d} - {%d, %d, %d} (%d * %d * %d)\n",
-		Hitbox.p1.x, Hitbox.p1.y, Hitbox.p1.z,
-		Hitbox.p2.x, Hitbox.p2.y, Hitbox.p2.z,
+	FLOGD("  Hitbox: {0} - {1} ({2} * {3} * {4})\n",
+		Hitbox.p1, Hitbox.p2,
 		Hitbox.DifX() + 1, Hitbox.DifY() + 1, Hitbox.DifZ() + 1
 	);
 	DebugConnectorPool(ConnectorPool, 0);
@@ -264,12 +263,11 @@ void cPieceGeneratorBFSTree::PlacePieces(int a_BlockX, int a_BlockZ, int a_MaxDe
 				// DEBUG:
 				const cPlacedPiece * NewPiece = a_OutPieces.back();
 				const Vector3i & Coords = NewPiece->GetCoords();
-				printf("Placed a new piece at {%d, %d, %d}, rotation %d\n", Coords.x, Coords.y, Coords.z, NewPiece->GetNumCCWRotations());
+				FLOGD("Placed a new piece at {0}, rotation {1}\n", Coords, NewPiece->GetNumCCWRotations());
 				cCuboid Hitbox = NewPiece->GetHitBox();
 				Hitbox.Sort();
-				printf("  Hitbox: {%d, %d, %d} - {%d, %d, %d} (%d * %d * %d)\n",
-					Hitbox.p1.x, Hitbox.p1.y, Hitbox.p1.z,
-					Hitbox.p2.x, Hitbox.p2.y, Hitbox.p2.z,
+				FLOGD("  Hitbox: {0} - {1} ({2} * {3} * {4})\n",
+					Hitbox.p1, Hitbox.p2,
 					Hitbox.DifX() + 1, Hitbox.DifY() + 1, Hitbox.DifZ() + 1
 				);
 				DebugConnectorPool(ConnectorPool, NumProcessed + 1);
diff --git a/src/Generating/PrefabPiecePool.cpp b/src/Generating/PrefabPiecePool.cpp
index 16d1f3440..ed5283dec 100644
--- a/src/Generating/PrefabPiecePool.cpp
+++ b/src/Generating/PrefabPiecePool.cpp
@@ -498,9 +498,12 @@ bool cPrefabPiecePool::ReadConnectorsCubesetVer1(
 			!cPiece::cConnector::StringToDirection(DirectionStr, Direction)
 		)
 		{
-			CONDWARNING(a_LogWarnings, "Piece %s in file %s has a malformed Connector at index %d ({%d, %d, %d}, type %d, direction %s). Skipping the connector.",
-				a_PieceName.c_str(), a_FileName.c_str(), idx, RelX, RelY, RelZ, Type, DirectionStr.c_str()
-			);
+			if (a_LogWarnings)
+			{
+				FLOGWARNING("Piece {0} in file {1} has a malformed Connector at index {2} ({3}, type {4}, direction {5}). Skipping the connector.",
+					a_PieceName, a_FileName, idx, Vector3i{RelX, RelY, RelZ}, Type, DirectionStr
+				);
+			}
 			res = false;
 			lua_pop(a_LuaState, 1);  // stk: [Connectors]
 			idx += 1;
diff --git a/src/Items/ItemDoor.h b/src/Items/ItemDoor.h
index 9cf67dd0e..7c2f81ef9 100644
--- a/src/Items/ItemDoor.h
+++ b/src/Items/ItemDoor.h
@@ -89,10 +89,10 @@ public:
 		BLOCKTYPE RightNeighborBlock = a_World.GetBlock(RightNeighborPos);
 		/*
 		// DEBUG:
-		LOGD("Door being placed at {%d, %d, %d}", a_BlockX, a_BlockY, a_BlockZ);
-		LOGD("RelDirToOutside: {%d, %d, %d}", RelDirToOutside.x, RelDirToOutside.y, RelDirToOutside.z);
-		LOGD("Left neighbor at {%d, %d, %d}: %d (%s)", LeftNeighborPos.x, LeftNeighborPos.y, LeftNeighborPos.z, LeftNeighborBlock, ItemTypeToString(LeftNeighborBlock).c_str());
-		LOGD("Right neighbor at {%d, %d, %d}: %d (%s)", RightNeighborPos.x, RightNeighborPos.y, RightNeighborPos.z, RightNeighborBlock, ItemTypeToString(RightNeighborBlock).c_str());
+		FLOGD("Door being placed at {0}", Vector3i{a_BlockX, a_BlockY, a_BlockZ});
+		FLOGD("RelDirToOutside: {0}", RelDirToOutside);
+		FLOGD("Left neighbor at {0}: {1} ({2})", LeftNeighborPos, LeftNeighborBlock, ItemTypeToString(LeftNeighborBlock));
+		FLOGD("Right neighbor at {0}: {1} ({2})", RightNeighborPos, RightNeighborBlock, ItemTypeToString(RightNeighborBlock));
 		*/
 		if (
 			cBlockDoorHandler::IsDoorBlockType(LeftNeighborBlock) ||   // The block to the left is a door block
diff --git a/src/NetherPortalScanner.cpp b/src/NetherPortalScanner.cpp
index cd1a0a62c..4b457de17 100644
--- a/src/NetherPortalScanner.cpp
+++ b/src/NetherPortalScanner.cpp
@@ -275,7 +275,7 @@ void cNetherPortalScanner::OnDisabled(void)
 	if (!m_FoundPortal)
 	{
 		// Build a new nether portal.
-		LOGD("Building nether portal at {%d, %d, %d}", m_PortalLoc.x, m_PortalLoc.y, m_PortalLoc.z);
+		FLOGD("Building nether portal at {0}", m_PortalLoc);
 		BuildNetherPortal(m_PortalLoc, m_Dir, m_BuildPlatform);
 		m_PortalLoc.x += 1;
 		m_PortalLoc.y += 2;
@@ -295,7 +295,7 @@ void cNetherPortalScanner::OnDisabled(void)
 		Position.z += OutOffset;
 	}
 
-	LOGD("Placing player at {%f, %f, %f}", Position.x, Position.y, Position.z);
+	FLOGD("Placing player at {0}", Position);
 	m_Entity->ScheduleMoveToWorld(m_World, Position, true);
 	delete this;
 }
diff --git a/src/SetChunkData.cpp b/src/SetChunkData.cpp
index fad61ef1a..60a27d43a 100644
--- a/src/SetChunkData.cpp
+++ b/src/SetChunkData.cpp
@@ -137,10 +137,10 @@ void cSetChunkData::RemoveInvalidBlockEntities(void)
 		if (EntityBlockType != WorldBlockType)
 		{
 			// Bad blocktype, remove the block entity:
-			LOGD("Block entity blocktype mismatch at {%d, %d, %d}: entity for blocktype %s(%d) in block %s(%d). Deleting the block entity.",
-				BlockEntity->GetPosX(), BlockEntity->GetPosY(), BlockEntity->GetPosZ(),
-				ItemTypeToString(EntityBlockType).c_str(), EntityBlockType,
-				ItemTypeToString(WorldBlockType).c_str(),  WorldBlockType
+			FLOGD("Block entity blocktype mismatch at {0}: entity for blocktype {1}({2}) in block {3}({4}). Deleting the block entity.",
+				BlockEntity->GetPos(),
+				ItemTypeToString(EntityBlockType), EntityBlockType,
+				ItemTypeToString(WorldBlockType),  WorldBlockType
 			);
 			delete BlockEntity;
 			itr = m_BlockEntities.erase(itr);
diff --git a/src/Simulator/FireSimulator.cpp b/src/Simulator/FireSimulator.cpp
index df2456455..9a00d00a8 100644
--- a/src/Simulator/FireSimulator.cpp
+++ b/src/Simulator/FireSimulator.cpp
@@ -14,9 +14,9 @@
 
 // Easy switch for turning on debugging logging:
 #if 0
-	#define FIRE_LOG LOGD
+	#define FIRE_FLOG FLOGD
 #else
-	#define FIRE_LOG(...)
+	#define FIRE_FLOG(...)
 #endif
 
 
@@ -111,9 +111,7 @@ void cFireSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX,
 		if (!IsAllowedBlock(BlockType))
 		{
 			// The block is no longer eligible (not a fire block anymore; a player probably placed a block over the fire)
-			FIRE_LOG("FS: Removing block {%d, %d, %d}",
-				AbsPos.x, AbsPos.y, AbsPos.z
-			);
+			FIRE_FLOG("FS: Removing block {0}", AbsPos);
 			itr = Data.erase(itr);
 			continue;
 		}
@@ -148,16 +146,16 @@ void cFireSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX,
 		}
 
 		/*
-		FIRE_LOG("FS: Fire at {%d, %d, %d} is stepping",
-			itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
+		FIRE_FLOG("FS: Fire at {0} is stepping",
+			a_Chunk->PositionToWorldPosition(itr->x, itr->y, itr->z)
 		);
 		*/
 		// Has the fire burnt out?
 		if (BlockMeta == 0x0f)
 		{
 			// The fire burnt out completely
-			FIRE_LOG("FS: Fire at {%d, %d, %d} burnt out, removing the fire block",
-				itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
+			FIRE_FLOG("FS: Fire at {0} burnt out, removing the fire block",
+				a_Chunk->PositionToWorldPosition({itr->x, itr->y, itr->z})
 			);
 			a_Chunk->SetBlock(x, y, z, E_BLOCK_AIR, 0);
 			RemoveFuelNeighbors(a_Chunk, x, y, z);
@@ -272,7 +270,7 @@ void cFireSimulator::AddBlock(Vector3i a_Block, cChunk * a_Chunk)
 		}
 	}  // for itr - ChunkData[]
 
-	FIRE_LOG("FS: Adding block {%d, %d, %d}", a_Block.x, a_Block.y, a_Block.z);
+	FIRE_FLOG("FS: Adding block {0}", a_Block);
 	ChunkData.push_back(cCoordWithInt(RelX, a_Block.y, RelZ, 100));
 }
 
@@ -352,8 +350,8 @@ void cFireSimulator::TrySpreadFire(cChunk * a_Chunk, int a_RelX, int a_RelY, int
 
 				// Start the fire in the neighbor {x, y, z}
 				/*
-				FIRE_LOG("FS: Trying to start fire at {%d, %d, %d}.",
-					x + a_Chunk->GetPosX() * cChunkDef::Width, y, z + a_Chunk->GetPosZ() * cChunkDef::Width
+				FIRE_LOG("FS: Trying to start fire at {0}.",
+					a_Chunk->PositionToWorldPosition(x, y, z)
 				);
 				*/
 				if (CanStartFireInBlock(a_Chunk, x, y, z))
@@ -366,7 +364,7 @@ void cFireSimulator::TrySpreadFire(cChunk * a_Chunk, int a_RelX, int a_RelY, int
 						return;
 					}
 
-					FIRE_LOG("FS: Starting new fire at {%d, %d, %d}.", a_PosX, y, a_PosZ);
+					FIRE_FLOG("FS: Starting new fire at {0}.", Vector3i{a_PosX, y, a_PosZ});
 					a_Chunk->UnboundedRelSetBlock(x, y, z, E_BLOCK_FIRE, 0);
 				}
 			}  // for y
diff --git a/src/Simulator/FloodyFluidSimulator.cpp b/src/Simulator/FloodyFluidSimulator.cpp
index 8d5a3a8ae..7066dc016 100644
--- a/src/Simulator/FloodyFluidSimulator.cpp
+++ b/src/Simulator/FloodyFluidSimulator.cpp
@@ -20,9 +20,9 @@
 
 // Enable or disable detailed logging
 #if 0
-	#define FLUID_LOG LOGD
+	#define FLUID_FLOG FLOGD
 #else
-	#define FLUID_LOG(...)
+	#define FLUID_FLOG(...)
 #endif
 
 
@@ -49,8 +49,8 @@ cFloodyFluidSimulator::cFloodyFluidSimulator(
 
 void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
 {
-	FLUID_LOG("Simulating block {%d, %d, %d}: block %d, meta %d",
-		a_Chunk->GetPosX() * cChunkDef::Width + a_RelX, a_RelY, a_Chunk->GetPosZ() * cChunkDef::Width + a_RelZ,
+	FLUID_FLOG("Simulating block {0}: block {1}, meta {2}",
+		a_Chunk->PositionToWorldPosition(a_RelX, a_RelY, a_RelZ),
 		a_Chunk->GetBlock(a_RelX, a_RelY, a_RelZ),
 		a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ)
 	);
@@ -61,7 +61,7 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
 	if (!IsAnyFluidBlock(MyBlock))
 	{
 		// Can happen - if a block is scheduled for simulating and gets replaced in the meantime.
-		FLUID_LOG("  BadBlockType exit");
+		FLUID_FLOG("  BadBlockType exit");
 		return;
 	}
 
@@ -79,7 +79,7 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
 		{
 			// Has no tributary, has been decreased (in CheckTributaries()),
 			// no more processing needed (neighbors have been scheduled by the decrease)
-			FLUID_LOG("  CheckTributaries exit");
+			FLUID_FLOG("  CheckTributaries exit");
 			return;
 		}
 	}
@@ -154,7 +154,7 @@ bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a
 		if (IsAnyFluidBlock(a_Chunk->GetBlock(a_RelX, a_RelY + 1, a_RelZ)))
 		{
 			// This block is fed from above, no more processing needed
-			FLUID_LOG("  Fed from above");
+			FLUID_FLOG("  Fed from above");
 			return false;
 		}
 	}
@@ -180,10 +180,8 @@ bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a
 			if (IsAllowedBlock(BlockType) && IsHigherMeta(BlockMeta, a_MyMeta))
 			{
 				// This block is fed, no more processing needed
-				FLUID_LOG("  Fed from {%d, %d, %d}, type %d, meta %d",
-					a_Chunk->GetPosX() * cChunkDef::Width + a_RelX + Coords[i].x,
-					a_RelY,
-					a_Chunk->GetPosZ() * cChunkDef::Width + a_RelZ + Coords[i].z,
+				FLUID_FLOG("  Fed from {0}, type {1}, meta {2}",
+					a_Chunk->PositionToWorldPosition(a_RelX+ Coords[i].x, a_RelY, a_RelZ + Coords[i].z),
 					BlockType, BlockMeta
 				);
 				return false;
@@ -194,7 +192,7 @@ bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a
 	// Block is not fed, decrease by m_Falloff levels:
 	if (a_MyMeta >= 8)
 	{
-		FLUID_LOG("  Not fed and downwards, turning into non-downwards meta %d", m_Falloff);
+		FLUID_FLOG("  Not fed and downwards, turning into non-downwards meta {0}", m_Falloff);
 		a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_StationaryFluidBlock, m_Falloff);
 	}
 	else
@@ -202,12 +200,12 @@ bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a
 		a_MyMeta += m_Falloff;
 		if (a_MyMeta < 8)
 		{
-			FLUID_LOG("  Not fed, decreasing from %d to %d", a_MyMeta - m_Falloff, a_MyMeta);
+			FLUID_FLOG("  Not fed, decreasing from {0} to {1}", a_MyMeta - m_Falloff, a_MyMeta);
 			a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_StationaryFluidBlock, a_MyMeta);
 		}
 		else
 		{
-			FLUID_LOG("  Not fed, meta %d, erasing altogether", a_MyMeta);
+			FLUID_FLOG("  Not fed, meta {0}, erasing altogether", a_MyMeta);
 			a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_AIR, 0);
 		}
 	}
@@ -253,9 +251,8 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 		{
 			// Lava flowing into water, change to stone / cobblestone based on direction:
 			BLOCKTYPE NewBlock = (a_NewMeta == 8) ? E_BLOCK_STONE : E_BLOCK_COBBLESTONE;
-			FLUID_LOG("  Lava flowing into water, turning water at rel {%d, %d, %d} into stone",
-				a_RelX, a_RelY, a_RelZ,
-				ItemTypeToString(NewBlock).c_str()
+			FLUID_FLOG("  Lava flowing into water, turning water at rel {0} into {1}",
+				Vector3i{a_RelX, a_RelY, a_RelZ}, ItemTypeToString(NewBlock)
 			);
 			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
@@ -274,8 +271,8 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 		{
 			// Water flowing into lava, change to cobblestone / obsidian based on dest block:
 			BLOCKTYPE NewBlock = (BlockMeta == 0) ? E_BLOCK_OBSIDIAN : E_BLOCK_COBBLESTONE;
-			FLUID_LOG("  Water flowing into lava, turning lava at rel {%d, %d, %d} into %s",
-				a_RelX, a_RelY, a_RelZ, ItemTypeToString(NewBlock).c_str()
+			FLUID_FLOG("  Water flowing into lava, turning lava at rel {0} into {1}",
+				Vector3i{a_RelX, a_RelY, a_RelZ}, ItemTypeToString(NewBlock)
 			);
 			a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
 
@@ -320,7 +317,7 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 	}  // if (CanWashAway)
 
 	// Spread:
-	FLUID_LOG("  Spreading to {%d, %d, %d} with meta %d", BlockX, a_RelY, BlockZ, a_NewMeta);
+	FLUID_FLOG("  Spreading to {0} with meta {1}", Vector3i{BlockX, a_RelY, BlockZ}, a_NewMeta);
 	a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
 	m_World.GetSimulatorManager()->WakeUp({BlockX, a_RelY, BlockZ}, a_NearChunk);
 
@@ -333,7 +330,7 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 
 bool cFloodyFluidSimulator::CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
 {
-	FLUID_LOG("  Checking neighbors for source creation");
+	FLUID_FLOG("  Checking neighbors for source creation");
 
 	static const Vector3i NeighborCoords[] =
 	{
@@ -356,21 +353,21 @@ bool cFloodyFluidSimulator::CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX
 			// Neighbor not available, skip it
 			continue;
 		}
-		// FLUID_LOG("   Neighbor at {%d, %d, %d}: %s", x, y, z, ItemToFullString(cItem(BlockType, 1, BlockMeta)).c_str());
+		// FLUID_FLOG("   Neighbor at {0}: {1}", Vector3i{x, y, z}, ItemToFullString(cItem(BlockType, 1, BlockMeta)));
 		if ((BlockMeta == 0) && IsAnyFluidBlock(BlockType))
 		{
 			NumNeeded--;
-			// FLUID_LOG("    Found a neighbor source at {%d, %d, %d}, NumNeeded := %d", x, y, z, NumNeeded);
+			// FLUID_FLOG("    Found a neighbor source at {0}, NumNeeded := {1}", Vector3i{x, y, z}, NumNeeded);
 			if (NumNeeded == 0)
 			{
 				// Found enough, turn into a source and bail out
-				// FLUID_LOG("    Found enough neighbor sources, turning into a source");
+				// FLUID_FLOG("    Found enough neighbor sources, turning into a source");
 				a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, 0);
 				return true;
 			}
 		}
 	}
-	// FLUID_LOG("    Not enough neighbors for turning into a source, NumNeeded = %d", NumNeeded);
+	// FLUID_FLOG("    Not enough neighbors for turning into a source, NumNeeded = {0}", NumNeeded);
 	return false;
 }
 
diff --git a/src/Simulator/SandSimulator.cpp b/src/Simulator/SandSimulator.cpp
index 53dc3f94d..a75ea2d11 100644
--- a/src/Simulator/SandSimulator.cpp
+++ b/src/Simulator/SandSimulator.cpp
@@ -55,9 +55,9 @@ void cSandSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX,
 			Pos.y = itr->y;
 			Pos.z = itr->z + BaseZ;
 			/*
-			LOGD(
-				"Creating a falling block at {%d, %d, %d} of type %s, block below: %s",
-				Pos.x, Pos.y, Pos.z, ItemTypeToString(BlockType).c_str(), ItemTypeToString(BlockBelow).c_str()
+			FLOGD(
+				"Creating a falling block at {0} of type {1}, block below: {2}",
+				Pos, ItemTypeToString(BlockType), ItemTypeToString(BlockBelow)
 			);
 			*/
 
diff --git a/src/Vector3.h b/src/Vector3.h
index cb39a6cde..0456b9e2f 100644
--- a/src/Vector3.h
+++ b/src/Vector3.h
@@ -350,6 +350,22 @@ public:
 		z = -z;
 	}
 
+	// tolua_end
+
+	/** Allows formatting a Vector<T> using the same format specifiers as for T
+	e.g. `fmt::format("{0:0.2f}", Vector3f{0.0231f, 1.2146f, 1.0f}) == "{0.02, 1.21, 1.00}"` */
+	template <typename ArgFormatter>
+	friend void format_arg(fmt::BasicFormatter<char, ArgFormatter> & a_Formatter, const char *& a_FormatStr, Vector3 a_Vec)
+	{
+		std::array<T, 3> Data{{a_Vec.x, a_Vec.y, a_Vec.z}};
+
+		a_Formatter.writer() << '{';
+		fmt::format_arg(a_Formatter, a_FormatStr, fmt::join(Data.cbegin(), Data.cend(), ", "));
+		a_Formatter.writer() << '}';
+	}
+
+	// tolua_begin
+
 	/** The max difference between two coords for which the coords are assumed equal. */
 	static const double EPS;
 
diff --git a/src/World.cpp b/src/World.cpp
index c832f7386..2b151af8e 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -605,7 +605,7 @@ bool cWorld::SetSpawn(double a_X, double a_Y, double a_Z)
 			m_SpawnX = a_X;
 			m_SpawnY = a_Y;
 			m_SpawnZ = a_Z;
-			LOGD("Spawn set at {%f, %f, %f}", m_SpawnX, m_SpawnY, m_SpawnZ);
+			FLOGD("Spawn set at {0}", Vector3d{m_SpawnX, m_SpawnY, m_SpawnZ});
 			return true;
 		}
 		else
@@ -695,7 +695,7 @@ void cWorld::GenerateRandomSpawn(int a_MaxSpawnRadius)
 	{
 		SetSpawn(BiomeOffset.x + 0.5, SpawnY, BiomeOffset.z + 0.5);
 
-		LOGINFO("World \"%s\": Generated spawnpoint position at {%.2f, %.2f, %.2f}", m_WorldName, m_SpawnX, m_SpawnY, m_SpawnZ);
+		FLOGINFO("World \"{0}\": Generated spawnpoint position at {1:.2f}", m_WorldName, Vector3d{m_SpawnX, m_SpawnY, m_SpawnZ});
 		return;
 	}
 
@@ -729,14 +729,14 @@ void cWorld::GenerateRandomSpawn(int a_MaxSpawnRadius)
 				cChunkDef::BlockToChunk(static_cast<int>(m_SpawnX), static_cast<int>(m_SpawnZ), ChunkX, ChunkZ);
 				cSpawnPrepare::PrepareChunks(*this, ChunkX, ChunkZ, a_MaxSpawnRadius);
 
-				LOGINFO("World \"%s\":Generated spawnpoint position at {%.2f, %.2f, %.2f}", m_WorldName, m_SpawnX, m_SpawnY, m_SpawnZ);
+				FLOGINFO("World \"{0}\":Generated spawnpoint position at {1:.2f}", m_WorldName, Vector3d{m_SpawnX, m_SpawnY, m_SpawnZ});
 				return;
 			}
 		}
 	}
 
 	m_SpawnY = GetHeight(static_cast<int>(m_SpawnX), static_cast<int>(m_SpawnZ));
-	LOGWARNING("World \"%s\": Did not find an acceptable spawnpoint. Generated a random spawnpoint position at {%.2f, %.2f, %.2f}", m_WorldName, m_SpawnX, m_SpawnY, m_SpawnZ);
+	FLOGWARNING("World \"{0}\": Did not find an acceptable spawnpoint. Generated a random spawnpoint position at {1:.2f}", m_WorldName, Vector3d{m_SpawnX, m_SpawnY, m_SpawnZ});
 }
 
 
diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp
index db4af6032..d2f3284f5 100755
--- a/src/WorldStorage/WSSAnvil.cpp
+++ b/src/WorldStorage/WSSAnvil.cpp
@@ -727,10 +727,10 @@ cBlockEntity * cWSSAnvil::LoadBlockEntityFromNBT(const cParsedNBT & a_NBT, int a
 			{
 				TypeName.assign(a_NBT.GetData(TagID), static_cast<size_t>(a_NBT.GetDataLength(TagID)));
 			}
-			LOGINFO("WorldLoader(%s): Block entity mismatch: block type %s (%d), type \"%s\", at {%d, %d, %d}; the entity will be lost.",
-				m_World->GetName().c_str(),
-				ItemTypeToString(a_BlockType).c_str(), a_BlockType, TypeName.c_str(),
-				a_BlockX, a_BlockY, a_BlockZ
+			LOGINFO("WorldLoader({0}): Block entity mismatch: block type {1} ({2}), type \"{3}\", at {4}; the entity will be lost.",
+				m_World->GetName(),
+				ItemTypeToString(a_BlockType), a_BlockType, TypeName,
+				Vector3i{a_BlockX, a_BlockY, a_BlockZ}
 			);
 			return nullptr;
 		}
@@ -937,10 +937,10 @@ bool cWSSAnvil::CheckBlockEntityType(const cParsedNBT & a_NBT, int a_TagIdx, con
 		expectedTypes.append(et);
 		expectedTypes.push_back('\"');
 	}
-	LOGWARNING("Block entity type mismatch: exp %s, got \"%s\". The block entity at {%d, %d, %d} will lose all its properties.",
+	LOGWARNING("Block entity type mismatch: exp {0}, got \"{1}\". The block entity at {2} will lose all its properties.",
 		expectedTypes.c_str() + 2,  // Skip the first ", " that is extra in the string
-		AString(a_NBT.GetData(TagID), static_cast<size_t>(a_NBT.GetDataLength(TagID))).c_str(),
-		a_BlockX, a_BlockY, a_BlockZ
+		AString(a_NBT.GetData(TagID), static_cast<size_t>(a_NBT.GetDataLength(TagID))),
+		Vector3i{a_BlockX, a_BlockY, a_BlockZ}
 	);
 	return false;
 }