70 files changed, 72 insertions, 74 deletions

diff --git a/src/Blocks/BlockAir.h b/src/Blocks/BlockAir.h
index 529e25302..8338735b5 100644
--- a/src/Blocks/BlockAir.h
+++ b/src/Blocks/BlockAir.h
@@ -14,7 +14,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Don't drop anything:
 		return {};
diff --git a/src/Blocks/BlockAnvil.h b/src/Blocks/BlockAnvil.h
index 7c821e20d..5746c936b 100644
--- a/src/Blocks/BlockAnvil.h
+++ b/src/Blocks/BlockAnvil.h
@@ -21,7 +21,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(m_BlockType, 1, a_BlockMeta >> 2);
 	}
diff --git a/src/Blocks/BlockBanner.h b/src/Blocks/BlockBanner.h
index 2a6e62aba..cdcdfc179 100644
--- a/src/Blocks/BlockBanner.h
+++ b/src/Blocks/BlockBanner.h
@@ -19,7 +19,7 @@ public:
 
 	using Super::Super;
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Drops handled by the block entity:
 		return {};
diff --git a/src/Blocks/BlockBed.cpp b/src/Blocks/BlockBed.cpp
index 4fd3eba54..531f88345 100644
--- a/src/Blocks/BlockBed.cpp
+++ b/src/Blocks/BlockBed.cpp
@@ -170,7 +170,7 @@ void cBlockBedHandler::OnPlacedByPlayer(cChunkInterface & a_ChunkInterface, cWor
 
 
 
-cItems cBlockBedHandler::ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const
+cItems cBlockBedHandler::ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const
 {
 	// Drops handled by the block entity:
 	return {};
diff --git a/src/Blocks/BlockBed.h b/src/Blocks/BlockBed.h
index 266fa7d69..1765773d6 100644
--- a/src/Blocks/BlockBed.h
+++ b/src/Blocks/BlockBed.h
@@ -68,7 +68,7 @@ private:
 		const Vector3i a_CursorPos
 	) const override;
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override;
+	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cItem * a_Tool) const override;
 
 	virtual void OnPlacedByPlayer(
 		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer & a_Player,
diff --git a/src/Blocks/BlockBigFlower.h b/src/Blocks/BlockBigFlower.h
index c3adf8dc7..c21e411f3 100644
--- a/src/Blocks/BlockBigFlower.h
+++ b/src/Blocks/BlockBigFlower.h
@@ -47,7 +47,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		if (IsMetaTopPart(a_BlockMeta))
 		{
diff --git a/src/Blocks/BlockBookShelf.h b/src/Blocks/BlockBookShelf.h
index ecd85733e..151925340 100644
--- a/src/Blocks/BlockBookShelf.h
+++ b/src/Blocks/BlockBookShelf.h
@@ -15,7 +15,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		if (ToolHasSilkTouch(a_Tool))
 		{
diff --git a/src/Blocks/BlockBrewingStand.h b/src/Blocks/BlockBrewingStand.h
index 6640dea03..d1595c690 100644
--- a/src/Blocks/BlockBrewingStand.h
+++ b/src/Blocks/BlockBrewingStand.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_BREWING_STAND);  // We have to drop the item form of a brewing stand
 	}
diff --git a/src/Blocks/BlockCake.h b/src/Blocks/BlockCake.h
index b93814955..ae8cd0228 100644
--- a/src/Blocks/BlockCake.h
+++ b/src/Blocks/BlockCake.h
@@ -49,7 +49,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Give nothing
 		return {};
diff --git a/src/Blocks/BlockCauldron.h b/src/Blocks/BlockCauldron.h
index ab9fc2d7e..37e638d72 100644
--- a/src/Blocks/BlockCauldron.h
+++ b/src/Blocks/BlockCauldron.h
@@ -19,7 +19,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_CAULDRON, 1, 0);
 	}
diff --git a/src/Blocks/BlockCobWeb.h b/src/Blocks/BlockCobWeb.h
index 7a48c88c1..60ccbf53a 100644
--- a/src/Blocks/BlockCobWeb.h
+++ b/src/Blocks/BlockCobWeb.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Silk touch gives cobweb, anything else gives just string:
 		if (ToolHasSilkTouch(a_Tool))
diff --git a/src/Blocks/BlockCocoaPod.h b/src/Blocks/BlockCocoaPod.h
index caff5c028..2df3a4408 100644
--- a/src/Blocks/BlockCocoaPod.h
+++ b/src/Blocks/BlockCocoaPod.h
@@ -69,7 +69,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// If fully grown, give 3 items, otherwise just one:
 		auto growState = a_BlockMeta >> 2;
diff --git a/src/Blocks/BlockCommandBlock.h b/src/Blocks/BlockCommandBlock.h
index a122ce8e0..9409e6004 100644
--- a/src/Blocks/BlockCommandBlock.h
+++ b/src/Blocks/BlockCommandBlock.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Don't allow as a pickup:
 		return {};
diff --git a/src/Blocks/BlockComparator.h b/src/Blocks/BlockComparator.h
index 667b61c50..0eb03be86 100644
--- a/src/Blocks/BlockComparator.h
+++ b/src/Blocks/BlockComparator.h
@@ -182,7 +182,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_COMPARATOR, 1, 0);
 	}
diff --git a/src/Blocks/BlockCrops.h b/src/Blocks/BlockCrops.h
index fe90d6127..9a79f6ac0 100644
--- a/src/Blocks/BlockCrops.h
+++ b/src/Blocks/BlockCrops.h
@@ -32,7 +32,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		auto & rand = GetRandomProvider();
 
diff --git a/src/Blocks/BlockDaylightSensor.h b/src/Blocks/BlockDaylightSensor.h
index 3c8cfd0eb..792e7d042 100644
--- a/src/Blocks/BlockDaylightSensor.h
+++ b/src/Blocks/BlockDaylightSensor.h
@@ -40,7 +40,7 @@ private:
 	}
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Always drop the regular daylight sensor:
 		return { E_BLOCK_DAYLIGHT_SENSOR };
diff --git a/src/Blocks/BlockDeadBush.h b/src/Blocks/BlockDeadBush.h
index a476e9734..ba206baf8 100644
--- a/src/Blocks/BlockDeadBush.h
+++ b/src/Blocks/BlockDeadBush.h
@@ -52,7 +52,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// If cutting down with shears, drop self:
 		if ((a_Tool != nullptr) && (a_Tool->m_ItemType == E_ITEM_SHEARS))
diff --git a/src/Blocks/BlockDirt.h b/src/Blocks/BlockDirt.h
index bcbf93f97..1a6483367 100644
--- a/src/Blocks/BlockDirt.h
+++ b/src/Blocks/BlockDirt.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		if (a_BlockMeta == E_META_DIRT_COARSE)
 		{
diff --git a/src/Blocks/BlockDoor.h b/src/Blocks/BlockDoor.h
index 56493321f..c6d4a7b9a 100644
--- a/src/Blocks/BlockDoor.h
+++ b/src/Blocks/BlockDoor.h
@@ -205,7 +205,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		switch (m_BlockType)
 		{
diff --git a/src/Blocks/BlockEnchantingTable.h b/src/Blocks/BlockEnchantingTable.h
index 33d7092e3..188f9c9b3 100644
--- a/src/Blocks/BlockEnchantingTable.h
+++ b/src/Blocks/BlockEnchantingTable.h
@@ -62,7 +62,7 @@ private:
 	}
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Drops handled by the block entity:
 		return {};
diff --git a/src/Blocks/BlockEnderchest.h b/src/Blocks/BlockEnderchest.h
index 5620e9ade..aae16ccec 100644
--- a/src/Blocks/BlockEnderchest.h
+++ b/src/Blocks/BlockEnderchest.h
@@ -17,7 +17,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Only drop something when mined with a pickaxe:
 		if (
diff --git a/src/Blocks/BlockFarmland.h b/src/Blocks/BlockFarmland.h
index 2622ac98c..3d1666859 100644
--- a/src/Blocks/BlockFarmland.h
+++ b/src/Blocks/BlockFarmland.h
@@ -27,7 +27,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_BLOCK_DIRT, 1, 0);
 	}
diff --git a/src/Blocks/BlockFire.h b/src/Blocks/BlockFire.h
index 8e1f7df9a..0f13db71b 100644
--- a/src/Blocks/BlockFire.h
+++ b/src/Blocks/BlockFire.h
@@ -58,7 +58,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// No pickups from this block
 		return {};
diff --git a/src/Blocks/BlockFlower.h b/src/Blocks/BlockFlower.h
index 590d00145..17cb529cb 100644
--- a/src/Blocks/BlockFlower.h
+++ b/src/Blocks/BlockFlower.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		NIBBLETYPE meta = a_BlockMeta & 0x7;
 		return cItem(m_BlockType, 1, meta);
diff --git a/src/Blocks/BlockFlowerPot.h b/src/Blocks/BlockFlowerPot.h
index 6535894c4..3e12e2d02 100644
--- a/src/Blocks/BlockFlowerPot.h
+++ b/src/Blocks/BlockFlowerPot.h
@@ -16,7 +16,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_FLOWER_POT, 1, 0);
 	}
diff --git a/src/Blocks/BlockFluid.h b/src/Blocks/BlockFluid.h
index 70aa57a0d..cdcf49299 100644
--- a/src/Blocks/BlockFluid.h
+++ b/src/Blocks/BlockFluid.h
@@ -22,7 +22,7 @@ protected:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// No pickups
 		return {};
diff --git a/src/Blocks/BlockFurnace.h b/src/Blocks/BlockFurnace.h
index f8b145d58..8cdc9489a 100644
--- a/src/Blocks/BlockFurnace.h
+++ b/src/Blocks/BlockFurnace.h
@@ -17,7 +17,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_BLOCK_FURNACE);  // We can't drop a lit furnace
 	}
diff --git a/src/Blocks/BlockGlass.h b/src/Blocks/BlockGlass.h
index c08265060..6b4bb79de 100644
--- a/src/Blocks/BlockGlass.h
+++ b/src/Blocks/BlockGlass.h
@@ -16,7 +16,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Only drop self when mined with silk-touch:
 		if (ToolHasSilkTouch(a_Tool))
diff --git a/src/Blocks/BlockGlowstone.h b/src/Blocks/BlockGlowstone.h
index e8670a71b..f9fd8842c 100644
--- a/src/Blocks/BlockGlowstone.h
+++ b/src/Blocks/BlockGlowstone.h
@@ -16,7 +16,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Drop self only when using silk-touch:
 		if (ToolHasSilkTouch(a_Tool))
diff --git a/src/Blocks/BlockGrass.h b/src/Blocks/BlockGrass.h
index 9d2e37899..8309a4bd5 100644
--- a/src/Blocks/BlockGrass.h
+++ b/src/Blocks/BlockGrass.h
@@ -31,7 +31,7 @@ private:
 		DieInDarkness
 	};
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		if (!ToolHasSilkTouch(a_Tool))
 		{
diff --git a/src/Blocks/BlockGravel.h b/src/Blocks/BlockGravel.h
index 2561af094..4713e6488 100644
--- a/src/Blocks/BlockGravel.h
+++ b/src/Blocks/BlockGravel.h
@@ -16,7 +16,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		if (ToolHasSilkTouch(a_Tool))
 		{
diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp
index d2fbf4e1a..068ab998d 100644
--- a/src/Blocks/BlockHandler.cpp
+++ b/src/Blocks/BlockHandler.cpp
@@ -516,9 +516,8 @@ void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, Vector3i
 
 
 
-cItems cBlockHandler::ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const
+cItems cBlockHandler::ConvertToPickups(NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const
 {
-	UNUSED(a_Digger);
 	UNUSED(a_Tool);
 
 	// Add self:
diff --git a/src/Blocks/BlockHandler.h b/src/Blocks/BlockHandler.h
index ecf895d66..da067fd63 100644
--- a/src/Blocks/BlockHandler.h
+++ b/src/Blocks/BlockHandler.h
@@ -139,7 +139,7 @@ public:
 	a_Digger is the entity that caused the conversion, usually the player digging.
 	a_Tool is the tool used for the digging.
 	The default implementation drops a single item created from m_BlockType and the current meta. */
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger = nullptr, const cItem * a_Tool = nullptr) const;
+	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cItem * a_Tool = nullptr) const;
 
 	/** Checks if the block can stay at the specified relative coords in the chunk */
 	virtual bool CanBeAt(
diff --git a/src/Blocks/BlockHugeMushroom.h b/src/Blocks/BlockHugeMushroom.h
index 1a2907136..122a6ba4c 100644
--- a/src/Blocks/BlockHugeMushroom.h
+++ b/src/Blocks/BlockHugeMushroom.h
@@ -19,7 +19,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		if (ToolHasSilkTouch(a_Tool))
 		{
diff --git a/src/Blocks/BlockIce.h b/src/Blocks/BlockIce.h
index 76b48d04f..35228f4ea 100644
--- a/src/Blocks/BlockIce.h
+++ b/src/Blocks/BlockIce.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Only drop self when using silk-touch:
 		if (ToolHasSilkTouch(a_Tool))
diff --git a/src/Blocks/BlockInfested.h b/src/Blocks/BlockInfested.h
index 89948f077..06c69984b 100644
--- a/src/Blocks/BlockInfested.h
+++ b/src/Blocks/BlockInfested.h
@@ -30,7 +30,7 @@ private:
 	}
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		switch (a_BlockMeta)
 		{
diff --git a/src/Blocks/BlockLeaves.h b/src/Blocks/BlockLeaves.h
index f50f6abc5..c5e46926b 100644
--- a/src/Blocks/BlockLeaves.h
+++ b/src/Blocks/BlockLeaves.h
@@ -110,7 +110,7 @@ private:
 		return false;
 	}
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// If breaking with shears, drop self:
 		if ((a_Tool != nullptr) && (a_Tool->m_ItemType == E_ITEM_SHEARS))
diff --git a/src/Blocks/BlockLever.h b/src/Blocks/BlockLever.h
index 2bea6a846..ee5e99b9c 100644
--- a/src/Blocks/BlockLever.h
+++ b/src/Blocks/BlockLever.h
@@ -45,7 +45,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Reset meta to zero:
 		return cItem(E_BLOCK_LEVER, 1, 0);
diff --git a/src/Blocks/BlockMelon.h b/src/Blocks/BlockMelon.h
index 6a90f217a..9fa68fc1e 100644
--- a/src/Blocks/BlockMelon.h
+++ b/src/Blocks/BlockMelon.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		const auto DropNum = FortuneDiscreteRandom(3, 7, ToolFortuneLevel(a_Tool), 9);
 		return cItem(E_ITEM_MELON_SLICE, DropNum);
diff --git a/src/Blocks/BlockMobHead.h b/src/Blocks/BlockMobHead.h
index 1e1e4c8d6..7b632e0a2 100644
--- a/src/Blocks/BlockMobHead.h
+++ b/src/Blocks/BlockMobHead.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Drops handled by the block entity:
 		return {};
diff --git a/src/Blocks/BlockMobSpawner.h b/src/Blocks/BlockMobSpawner.h
index 791a71301..da5bd84c4 100644
--- a/src/Blocks/BlockMobSpawner.h
+++ b/src/Blocks/BlockMobSpawner.h
@@ -44,7 +44,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// No pickups
 		return {};
diff --git a/src/Blocks/BlockMycelium.h b/src/Blocks/BlockMycelium.h
index bb05195ff..62b1bbf7f 100644
--- a/src/Blocks/BlockMycelium.h
+++ b/src/Blocks/BlockMycelium.h
@@ -18,7 +18,7 @@ private:
 
 	// TODO: Add Mycel Spread
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_BLOCK_DIRT, 1, 0);
 	}
diff --git a/src/Blocks/BlockNetherWart.h b/src/Blocks/BlockNetherWart.h
index 0b0bbf2bd..4afdaffa2 100644
--- a/src/Blocks/BlockNetherWart.h
+++ b/src/Blocks/BlockNetherWart.h
@@ -19,7 +19,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		if (a_BlockMeta == 0x03)
 		{
diff --git a/src/Blocks/BlockOre.h b/src/Blocks/BlockOre.h
index db4f4aea4..af67ccc4c 100644
--- a/src/Blocks/BlockOre.h
+++ b/src/Blocks/BlockOre.h
@@ -22,7 +22,7 @@ protected:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// If using silk-touch, drop self rather than the resource:
 		if (ToolHasSilkTouch(a_Tool))
diff --git a/src/Blocks/BlockPackedIce.h b/src/Blocks/BlockPackedIce.h
index a2d13005c..7c6b68b05 100644
--- a/src/Blocks/BlockPackedIce.h
+++ b/src/Blocks/BlockPackedIce.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Only drop self when using silk-touch:
 		if (ToolHasSilkTouch(a_Tool))
diff --git a/src/Blocks/BlockPiston.cpp b/src/Blocks/BlockPiston.cpp
index ee8620308..d9deedfc8 100644
--- a/src/Blocks/BlockPiston.cpp
+++ b/src/Blocks/BlockPiston.cpp
@@ -340,7 +340,7 @@ void cBlockPistonHeadHandler::OnBroken(
 
 
 
-cItems cBlockPistonHeadHandler::ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const
+cItems cBlockPistonHeadHandler::ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const
 {
 	// Give a normal\sticky piston base, not piston extension
 	// With 1.7, the item forms of these technical blocks have been removed, so giving someone this will crash their client...
diff --git a/src/Blocks/BlockPiston.h b/src/Blocks/BlockPiston.h
index 2c3ee4f6a..42fcca3b8 100644
--- a/src/Blocks/BlockPiston.h
+++ b/src/Blocks/BlockPiston.h
@@ -161,5 +161,5 @@ public:
 		const cEntity * a_Digger
 	) const override;
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override;
+	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cItem * a_Tool) const override;
 } ;
diff --git a/src/Blocks/BlockPortal.h b/src/Blocks/BlockPortal.h
index 1a2c4ef50..cc7fa3a1f 100644
--- a/src/Blocks/BlockPortal.h
+++ b/src/Blocks/BlockPortal.h
@@ -40,7 +40,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// No pickups
 		return {};
diff --git a/src/Blocks/BlockRedstone.h b/src/Blocks/BlockRedstone.h
index 0ba670558..8a7e35aa1 100644
--- a/src/Blocks/BlockRedstone.h
+++ b/src/Blocks/BlockRedstone.h
@@ -49,7 +49,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_REDSTONE_DUST, 1, 0);
 	}
diff --git a/src/Blocks/BlockRedstoneLamp.h b/src/Blocks/BlockRedstoneLamp.h
index 7a98f7870..fc0882a8f 100644
--- a/src/Blocks/BlockRedstoneLamp.h
+++ b/src/Blocks/BlockRedstoneLamp.h
@@ -16,7 +16,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Always drop the Off variant:
 		return(cItem(E_BLOCK_REDSTONE_LAMP_OFF, 1, 0));
diff --git a/src/Blocks/BlockRedstoneRepeater.h b/src/Blocks/BlockRedstoneRepeater.h
index b56f4ad28..97b16f174 100644
--- a/src/Blocks/BlockRedstoneRepeater.h
+++ b/src/Blocks/BlockRedstoneRepeater.h
@@ -135,7 +135,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_REDSTONE_REPEATER, 1, 0);
 	}
diff --git a/src/Blocks/BlockSapling.h b/src/Blocks/BlockSapling.h
index ee71bf1d0..ab3f66edc 100644
--- a/src/Blocks/BlockSapling.h
+++ b/src/Blocks/BlockSapling.h
@@ -19,7 +19,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// The low 3 bits store the sapling type; bit 0x08 is the growth timer (not used in pickups)
 		return cItem(m_BlockType, 1, a_BlockMeta & 0x07);
diff --git a/src/Blocks/BlockSeaLantern.h b/src/Blocks/BlockSeaLantern.h
index 224f8872d..6dbaeda34 100644
--- a/src/Blocks/BlockSeaLantern.h
+++ b/src/Blocks/BlockSeaLantern.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Drop self only when using silk-touch:
 		if (ToolHasSilkTouch(a_Tool))
diff --git a/src/Blocks/BlockSideways.h b/src/Blocks/BlockSideways.h
index a6e035601..17751a565 100644
--- a/src/Blocks/BlockSideways.h
+++ b/src/Blocks/BlockSideways.h
@@ -40,7 +40,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Reset the orientation part of meta, keep the sub-type part of meta
 		return cItem(m_BlockType, 1, a_BlockMeta & 0x03);
diff --git a/src/Blocks/BlockSignPost.h b/src/Blocks/BlockSignPost.h
index 39ad6a73b..8d31ae7fa 100644
--- a/src/Blocks/BlockSignPost.h
+++ b/src/Blocks/BlockSignPost.h
@@ -33,7 +33,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_SIGN, 1, 0);
 	}
diff --git a/src/Blocks/BlockSlab.h b/src/Blocks/BlockSlab.h
index e6b1b445f..98f327b5b 100644
--- a/src/Blocks/BlockSlab.h
+++ b/src/Blocks/BlockSlab.h
@@ -39,7 +39,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Reset the "top half" flag:
 		return cItem(m_BlockType, 1, a_BlockMeta & 0x07);
@@ -246,7 +246,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		BLOCKTYPE Block = GetSingleSlabType(m_BlockType);
 		return cItem(Block, 2, a_BlockMeta & 0x7);
diff --git a/src/Blocks/BlockSnow.h b/src/Blocks/BlockSnow.h
index 9b4e20306..299ec9f62 100644
--- a/src/Blocks/BlockSnow.h
+++ b/src/Blocks/BlockSnow.h
@@ -81,7 +81,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// No drop unless dug up with a shovel
 		if ((a_Tool == nullptr) || !ItemCategory::IsShovel(a_Tool->m_ItemType))
diff --git a/src/Blocks/BlockStems.h b/src/Blocks/BlockStems.h
index fa80d4127..1b6670264 100644
--- a/src/Blocks/BlockStems.h
+++ b/src/Blocks/BlockStems.h
@@ -22,7 +22,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		/*
 			Use correct percent:
diff --git a/src/Blocks/BlockStone.h b/src/Blocks/BlockStone.h
index 5309f5c41..75af272b7 100644
--- a/src/Blocks/BlockStone.h
+++ b/src/Blocks/BlockStone.h
@@ -17,7 +17,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Convert stone to cobblestone, unless using silk-touch:
 		if (
diff --git a/src/Blocks/BlockSugarcane.h b/src/Blocks/BlockSugarcane.h
index b21f698f6..1e802560d 100644
--- a/src/Blocks/BlockSugarcane.h
+++ b/src/Blocks/BlockSugarcane.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_SUGARCANE, 1, 0);
 	}
diff --git a/src/Blocks/BlockTallGrass.h b/src/Blocks/BlockTallGrass.h
index 1c679c2be..83f955a80 100644
--- a/src/Blocks/BlockTallGrass.h
+++ b/src/Blocks/BlockTallGrass.h
@@ -29,7 +29,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// If using shears, drop self:
 		if ((a_Tool != nullptr) && (a_Tool->m_ItemType == E_ITEM_SHEARS))
diff --git a/src/Blocks/BlockTorch.h b/src/Blocks/BlockTorch.h
index f8b4bfa04..c7bd4dcc8 100644
--- a/src/Blocks/BlockTorch.h
+++ b/src/Blocks/BlockTorch.h
@@ -245,7 +245,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Always drop the ON torch, meta 0:
 		return { E_BLOCK_REDSTONE_TORCH_ON };
diff --git a/src/Blocks/BlockTripwire.h b/src/Blocks/BlockTripwire.h
index 7a68c24be..a2c5328e4 100644
--- a/src/Blocks/BlockTripwire.h
+++ b/src/Blocks/BlockTripwire.h
@@ -18,7 +18,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_STRING, 1, 0);
 	}
diff --git a/src/Blocks/BlockVine.h b/src/Blocks/BlockVine.h
index 80498ee63..51f6112bc 100644
--- a/src/Blocks/BlockVine.h
+++ b/src/Blocks/BlockVine.h
@@ -46,7 +46,7 @@ private:
 
 
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Only drops self when using shears, otherwise drops nothing:
 		if ((a_Tool == nullptr) || (a_Tool->m_ItemType != E_ITEM_SHEARS))
diff --git a/src/Blocks/BlockWallSign.h b/src/Blocks/BlockWallSign.h
index 800781198..2e6f7a45b 100644
--- a/src/Blocks/BlockWallSign.h
+++ b/src/Blocks/BlockWallSign.h
@@ -38,7 +38,7 @@ public:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		return cItem(E_ITEM_SIGN, 1, 0);
 	}
diff --git a/src/Blocks/Mixins.h b/src/Blocks/Mixins.h
index 0a356fe58..42b437ba7 100644
--- a/src/Blocks/Mixins.h
+++ b/src/Blocks/Mixins.h
@@ -43,7 +43,7 @@ protected:
 
 private:
 
-	virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const override
+	virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
 	{
 		// Reset the meta to zero:
 		return cItem(this->m_BlockType);
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 09b0f0f99..4aa28d257 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -960,10 +960,9 @@ cItems cChunk::PickupsFromBlock(Vector3i a_RelPos, const cEntity * a_Digger, con
 	cItems Pickups;
 	const auto BlockEntity = GetBlockEntityRel(a_RelPos);
 
-	const auto ToolHandler = (a_Tool != nullptr) ? a_Tool->GetHandler() : cItemHandler::GetItemHandler(E_ITEM_EMPTY);
-	if (ToolHandler->CanHarvestBlock(BlockType))
+	if ((a_Tool == nullptr) || a_Tool->GetHandler()->CanHarvestBlock(BlockType))
 	{
-		Pickups = cBlockHandler::For(BlockType).ConvertToPickups(BlockMeta, a_Digger, a_Tool);
+		Pickups = cBlockHandler::For(BlockType).ConvertToPickups(BlockMeta, a_Tool);
 
 		if (BlockEntity != nullptr)
 		{
diff --git a/tests/Generating/Stubs.cpp b/tests/Generating/Stubs.cpp
index 32c4f696e..b4f56bc1c 100644
--- a/tests/Generating/Stubs.cpp
+++ b/tests/Generating/Stubs.cpp
@@ -149,7 +149,7 @@ void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, Vector3i
 
 
 
-cItems cBlockHandler::ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const
+cItems cBlockHandler::ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const
 {
 	return cItems();
 }
diff --git a/tests/LuaThreadStress/Stubs.cpp b/tests/LuaThreadStress/Stubs.cpp
index 11264deb2..e77b02038 100644
--- a/tests/LuaThreadStress/Stubs.cpp
+++ b/tests/LuaThreadStress/Stubs.cpp
@@ -151,7 +151,7 @@ void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, Vector3i
 
 
 
-cItems cBlockHandler::ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const
+cItems cBlockHandler::ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const
 {
 	return cItems();
 }
diff --git a/tests/SchematicFileSerializer/Stubs.cpp b/tests/SchematicFileSerializer/Stubs.cpp
index 1209c4cef..f52b09bf9 100644
--- a/tests/SchematicFileSerializer/Stubs.cpp
+++ b/tests/SchematicFileSerializer/Stubs.cpp
@@ -69,7 +69,7 @@ void cBlockHandler::NeighborChanged(cChunkInterface & a_ChunkInterface, Vector3i
 
 
 
-cItems cBlockHandler::ConvertToPickups(NIBBLETYPE a_BlockMeta, const cEntity * a_Digger, const cItem * a_Tool) const
+cItems cBlockHandler::ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const
 {
 	return cItems();
 }