From 41e3ebc7dda78ef053209c76f45f9b31a06ef372 Mon Sep 17 00:00:00 2001
From: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
Date: Mon, 19 Sep 2022 00:18:03 +0100
Subject: [PATCH] Upgrade all main commands

---
 worldeditadditions/lib/airapply.lua       | 15 +++++----
 worldeditadditions/lib/bonemeal.lua       | 13 ++++---
 worldeditadditions/lib/copy.lua           |  8 ++---
 worldeditadditions/lib/count.lua          |  9 +++--
 worldeditadditions/lib/dome.lua           |  6 ++--
 worldeditadditions/lib/ellipsoid.lua      | 24 ++++++-------
 worldeditadditions/lib/ellipsoid2.lua     | 30 +++++++----------
 worldeditadditions/lib/ellipsoidapply.lua | 32 +++++++-----------
 worldeditadditions/lib/fillcaves.lua      | 13 ++++---
 worldeditadditions/lib/floodfill.lua      | 25 ++++++++------
 worldeditadditions/lib/forest.lua         | 13 ++++---
 worldeditadditions/lib/hollow.lua         | 11 +++---
 worldeditadditions/lib/layers.lua         | 20 ++++++-----
 worldeditadditions/lib/line.lua           | 24 ++++++-------
 worldeditadditions/lib/maze2d.lua         | 18 ++++++----
 worldeditadditions/lib/maze3d.lua         | 12 +++----
 worldeditadditions/lib/move.lua           |  4 +--
 worldeditadditions/lib/noiseapply2d.lua   | 15 +++++----
 worldeditadditions/lib/overlay.lua        | 15 +++++----
 worldeditadditions/lib/replacemix.lua     |  7 ++--
 worldeditadditions/lib/scale_down.lua     | 41 ++++++++++-------------
 worldeditadditions_core/utils/vector3.lua |  3 +-
 22 files changed, 186 insertions(+), 172 deletions(-)

diff --git a/worldeditadditions/lib/airapply.lua b/worldeditadditions/lib/airapply.lua
index 99236bb..1de83fa 100644
--- a/worldeditadditions/lib/airapply.lua
+++ b/worldeditadditions/lib/airapply.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 --  █████  ██ ██████
 -- ██   ██ ██ ██   ██
 -- ███████ ██ ██████
@@ -17,17 +20,17 @@
 -- @param	{Position}	pos2	The 2nd positioon defining the region boundary 
 -- @param	{Function}	func	The function to call that performs the action in question. It is expected that the given function will accept no arguments.
 function worldeditadditions.airapply(pos1, pos2, func)
-	local time_taken_all = worldeditadditions.get_ms_time()
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	local time_taken_all = wea_c.get_ms_time()
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- Fetch the nodes in the specified area
 	local manip_before, area_before = worldedit.manip_helpers.init(pos1, pos2)
 	local data_before = manip_before:get_data()
 	
-	local time_taken_fn = worldeditadditions.get_ms_time()
+	local time_taken_fn = wea_c.get_ms_time()
 	func()
-	time_taken_fn = worldeditadditions.get_ms_time() - time_taken_fn
+	time_taken_fn = wea_c.get_ms_time() - time_taken_fn
 	
 	local manip_after, area_after = worldedit.manip_helpers.init(pos1, pos2)
 	local data_after = manip_after:get_data()
@@ -37,7 +40,7 @@ function worldeditadditions.airapply(pos1, pos2, func)
 			for x = pos2.x, pos1.x, -1 do
 				local i_before = area_before:index(x, y, z)
 				local i_after = area_after:index(x, y, z)
-				local old_is_airlike = worldeditadditions.is_airlike(data_before[i_before])
+				local old_is_airlike = wea_c.is_airlike(data_before[i_before])
 				
 				-- Roll everything that replaces nodes that aren't airlike
 				if not old_is_airlike then
@@ -52,6 +55,6 @@ function worldeditadditions.airapply(pos1, pos2, func)
 	worldedit.manip_helpers.finish(manip_after, data_after)
 	
 	
-	time_taken_all = worldeditadditions.get_ms_time() - time_taken_all
+	time_taken_all = wea_c.get_ms_time() - time_taken_all
 	return true, { all = time_taken_all, fn = time_taken_fn }
 end
diff --git a/worldeditadditions/lib/bonemeal.lua b/worldeditadditions/lib/bonemeal.lua
index 31e4682..86f4c36 100644
--- a/worldeditadditions/lib/bonemeal.lua
+++ b/worldeditadditions/lib/bonemeal.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 --- Bonemeal command.
 -- Applies bonemeal to all notes 
 -- @module worldeditadditions.overlay
@@ -6,7 +9,7 @@
 -- chance		Positive integer that represents the chance bonemealing will occur
 function worldeditadditions.bonemeal(pos1, pos2, strength, chance, nodename_list)
 	if not nodename_list then nodename_list = {} end
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- This command requires the bonemeal mod to be installed
@@ -15,7 +18,7 @@ function worldeditadditions.bonemeal(pos1, pos2, strength, chance, nodename_list
 		return false, "Bonemeal mod not loaded"
 	end
 	
-	local node_list = worldeditadditions.table.map(nodename_list, function(nodename)
+	local node_list = wea_c.table.map(nodename_list, function(nodename)
 		return minetest.get_content_id(nodename)
 	end)
 	local node_list_count = #nodename_list
@@ -34,9 +37,9 @@ function worldeditadditions.bonemeal(pos1, pos2, strength, chance, nodename_list
 		for x = pos2.x, pos1.x, -1 do
 			for y = pos2.y, pos1.y, -1 do
 				local i = area:index(x, y, z)
-				if not worldeditadditions.is_airlike(data[i]) then
+				if not wea_c.is_airlike(data[i]) then
 					local should_bonemeal = true
-					if node_list_count > 0 and not worldeditadditions.table.contains(node_list, data[i]) then
+					if node_list_count > 0 and not wea_c.table.contains(node_list, data[i]) then
 						should_bonemeal = false
 					end
 					
@@ -45,7 +48,7 @@ function worldeditadditions.bonemeal(pos1, pos2, strength, chance, nodename_list
 					
 					if should_bonemeal and math.random(0, chance - 1) == 0 then
 						bonemeal:on_use(
-							{ x = x, y = y, z = z },
+							Vector3.new(x, y, z),
 							strength,
 							nil
 						)
diff --git a/worldeditadditions/lib/copy.lua b/worldeditadditions/lib/copy.lua
index b0c19bf..366f1a0 100644
--- a/worldeditadditions/lib/copy.lua
+++ b/worldeditadditions/lib/copy.lua
@@ -1,9 +1,9 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 --- Copies a region to another location, potentially overwriting the exiting region.
 -- @module worldeditadditions.copy
 
-local wea = worldeditadditions
-local Vector3 = wea.Vector3
-
 --  ██████  ██████  ██████  ██    ██
 -- ██      ██    ██ ██   ██  ██  ██
 -- ██      ██    ██ ██████    ████
@@ -32,7 +32,7 @@ function worldeditadditions.copy(source_pos1, source_pos2, target_pos1, target_p
 			for x = source_pos2.x, source_pos1.x, -1 do
 				local source = Vector3.new(x, y, z)
 				local source_i = area_source:index(x, y, z)
-				local target = source:subtract(offset)
+				local target = source - offset
 				local target_i = area_target:index(target.x, target.y, target.z)
 				
 				data_target[target_i] = data_source[source_i]
diff --git a/worldeditadditions/lib/count.lua b/worldeditadditions/lib/count.lua
index 3e11ec6..6901b62 100644
--- a/worldeditadditions/lib/count.lua
+++ b/worldeditadditions/lib/count.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 --- Counts the nodes in a given area.
 -- @module worldeditadditions.count
 
@@ -7,7 +10,7 @@
 -- ██      ██    ██ ██    ██ ██  ██ ██    ██
 --  ██████  ██████   ██████  ██   ████    ██
 function worldeditadditions.count(pos1, pos2, do_human_counts)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- Fetch the nodes in the specified area
@@ -29,7 +32,7 @@ function worldeditadditions.count(pos1, pos2, do_human_counts)
 	for node_name, count in pairs(counts) do
 		table.insert(results, {
 			count,
-			tostring(worldeditadditions.round((count / total) * 100, 2)).."%",
+			tostring(wea_c.round((count / total) * 100, 2)).."%",
 			minetest.get_name_from_content_id(node_name)
 		})
 	end
@@ -37,7 +40,7 @@ function worldeditadditions.count(pos1, pos2, do_human_counts)
 	
 	if do_human_counts then
 		for key,item in pairs(results) do
-			item[1] = worldeditadditions.format.human_size(item[1], 2)
+			item[1] = wea_c.format.human_size(item[1], 2)
 		end
 	end
 	
diff --git a/worldeditadditions/lib/dome.lua b/worldeditadditions/lib/dome.lua
index fa94a4d..a51a440 100644
--- a/worldeditadditions/lib/dome.lua
+++ b/worldeditadditions/lib/dome.lua
@@ -1,5 +1,5 @@
-local wea = worldeditadditions
-local Vector3 = wea.Vector3
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
 
 -- ██████   ██████  ███    ███ ███████
 -- ██   ██ ██    ██ ████  ████ ██
@@ -11,7 +11,7 @@ local Vector3 = wea.Vector3
 -- @param	pos				Vector3		The central point to start drawing the dome from.
 -- @param	radius			number		The radius of the dome to create.
 -- @param	replace_node	string		The fully qualified name of the node to use to make the dome with.
--- @param	pointing_dir	Vector3		Optional. The direction the dome should point. Defaults to (0, 1, 0). See also wea.parse.axis_name.
+-- @param	pointing_dir	Vector3		Optional. The direction the dome should point. Defaults to (0, 1, 0). See also wea_c.parse.axis_name.
 -- @param	hollow			boolean		Whether to make the dome hollow or not. Defaults to false.
 function worldeditadditions.dome(pos, radius, replace_node, pointing_dir, hollow)
 	pos = Vector3.clone(pos)
diff --git a/worldeditadditions/lib/ellipsoid.lua b/worldeditadditions/lib/ellipsoid.lua
index 235c4e2..36c883b 100644
--- a/worldeditadditions/lib/ellipsoid.lua
+++ b/worldeditadditions/lib/ellipsoid.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 -- ███████ ██      ██      ██ ██████  ███████ ███████
 -- ██      ██      ██      ██ ██   ██ ██      ██
 -- █████   ██      ██      ██ ██████  ███████ █████
@@ -13,12 +16,9 @@
 -- @param	hollow		bool		Whether the ellipsoid should be hollow or not.
 -- @returns	number		The number of nodes filled to create the (optionally hollow) ellipsoid. This number will be lower with hollow ellipsoids, since the internals of an ellipsoid aren't altered.
 function worldeditadditions.ellipsoid(position, radius, target_node, hollow)
+	radius = Vector3.clone(radius)
 	-- position = { x, y, z }
-	local hollow_inner_radius = {
-		x = radius.x - 1,
-		y = radius.y - 1,
-		z = radius.z - 1
-	}
+	local hollow_inner_radius = radius - 1
 	
 	-- Fetch the nodes in the specified area
 	-- OPTIMIZE: We should be able to calculate a more efficient box-area here
@@ -39,21 +39,19 @@ function worldeditadditions.ellipsoid(position, radius, target_node, hollow)
 			
 			local i = idx_y_base
 			for x = -radius.x, radius.x do
-				
+				local here = Vector3.new(x, y, z)
 				-- If we're inside the ellipse, then fill it in
-				local x_comp, y_comp, z_comp = x/radius.x, y/radius.y, z/radius.z
-				local ellipsoid_dist = x_comp*x_comp + y_comp*y_comp + z_comp*z_comp
+				local comp = here / radius
+				
+				local ellipsoid_dist = Vector3.dot(comp, comp)
 				if ellipsoid_dist <= 1 then
 					local place_ok = not hollow;
 					
 					if not place_ok then
 						-- It must be hollow! Do some additional calculations.
-						local hx_comp = x/hollow_inner_radius.x
-						local hy_comp = y/hollow_inner_radius.y
-						local hz_comp = z/hollow_inner_radius.z
-						
+						local h_comp = here / hollow_inner_radius
 						-- It's only ok to place it if it's outside our inner ellipse
-						place_ok = hx_comp*hx_comp + hy_comp*hy_comp + hz_comp*hz_comp >= 1
+						place_ok = Vector3.dot(h_comp, h_comp) >= 1
 					end
 					
 					if place_ok then
diff --git a/worldeditadditions/lib/ellipsoid2.lua b/worldeditadditions/lib/ellipsoid2.lua
index bf5c90d..79c472a 100644
--- a/worldeditadditions/lib/ellipsoid2.lua
+++ b/worldeditadditions/lib/ellipsoid2.lua
@@ -1,4 +1,5 @@
-local wea = worldeditadditions
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
 
 -- ███████ ██      ██      ██ ██████  ███████ ███████
 -- ██      ██      ██      ██ ██   ██ ██      ██
@@ -8,21 +9,17 @@ local wea = worldeditadditions
 
 
 function worldeditadditions.ellipsoid2(pos1, pos2, target_node, hollow)
-	pos1, pos2 = wea.Vector3.sort(pos1, pos2)
-	local volume = pos2:subtract(pos1)
-	local volume_half = volume:divide(2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
+	local volume = pos2 - pos1
+	local volume_half = volume / 2
 	
-	local radius = pos2:subtract(pos1):divide(2)
+	local radius = (pos2 - pos1) / 2
 	
 	print("DEBUG:ellipsoid2 | pos1: "..pos1..", pos2: "..pos2..", target_node: "..target_node)
 	print("DEBUG:ellipsoid2 radius", radius)
 	
 	-- position = { x, y, z }
-	local hollow_inner_radius = {
-		x = radius.x - 1,
-		y = radius.y - 1,
-		z = radius.z - 1
-	}
+	local hollow_inner_radius = radius - 1
 	
 	-- Fetch the nodes in the specified area
 	local manip, area = worldedit.manip_helpers.init(pos1, pos2)
@@ -35,26 +32,23 @@ function worldeditadditions.ellipsoid2(pos1, pos2, target_node, hollow)
 	for z = pos2.z, pos1.z, -1 do
 		for y = pos2.y, pos1.y, -1 do
 			for x = pos2.x, pos1.x, -1 do
-				
-				local pos_relative = wea.Vector3.new(x, y, z):subtract(pos1)
-					:subtract(volume_half)
+				local here = Vector3.new(x, y, z)
+				local pos_relative = (here - pos1) - volume_half
 				
 				print("DEBUG pos1", pos1, "pos2", pos2, "volume_half", volume_half, "pos_relative", pos_relative)
 				
 				-- If we're inside the ellipse, then fill it in
-				local comp = pos_relative:divide(radius)
+				local comp = pos_relative / radius
 				local ellipsoid_dist = comp:length_squared()
 				if ellipsoid_dist <= 1 then
 					local place_ok = not hollow;
 					
 					if not place_ok then
 						-- It must be hollow! Do some additional calculations.
-						local hx_comp = x/hollow_inner_radius.x
-						local hy_comp = y/hollow_inner_radius.y
-						local hz_comp = z/hollow_inner_radius.z
+						local h_comp = here / hollow_inner_radius
 						
 						-- It's only ok to place it if it's outside our inner ellipse
-						place_ok = hx_comp*hx_comp + hy_comp*hy_comp + hz_comp*hz_comp >= 1
+						place_ok = Vector3.dot(h_comp, h_comp) >= 1
 					end
 					
 					if place_ok then
diff --git a/worldeditadditions/lib/ellipsoidapply.lua b/worldeditadditions/lib/ellipsoidapply.lua
index 6012721..bced55e 100644
--- a/worldeditadditions/lib/ellipsoidapply.lua
+++ b/worldeditadditions/lib/ellipsoidapply.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 -- ███████ ██      ██      ██ ██████  ███████  ██████  ██ ██████
 -- ██      ██      ██      ██ ██   ██ ██      ██    ██ ██ ██   ██
 -- █████   ██      ██      ██ ██████  ███████ ██    ██ ██ ██   ██
@@ -17,40 +20,29 @@
 -- @param	{Position}	pos2	The 2nd positioon defining the region boundary 
 -- @param	{Function}	func	The function to call that performs the action in question. It is expected that the given function will accept no arguments.
 function worldeditadditions.ellipsoidapply(pos1, pos2, func)
-	local time_taken_all = worldeditadditions.get_ms_time()
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	local time_taken_all = wea_c.get_ms_time()
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- Fetch the nodes in the specified area
 	local manip_before, area_before = worldedit.manip_helpers.init(pos1, pos2)
 	local data_before = manip_before:get_data()
 	
-	local time_taken_fn = worldeditadditions.get_ms_time()
+	local time_taken_fn = wea_c.get_ms_time()
 	func()
-	time_taken_fn = worldeditadditions.get_ms_time() - time_taken_fn
+	time_taken_fn = wea_c.get_ms_time() - time_taken_fn
 	
 	local manip_after, area_after = worldedit.manip_helpers.init(pos1, pos2)
 	local data_after = manip_after:get_data()
 	
-	local radius = {
-		x = (pos2.x - pos1.x) / 2,
-		y = (pos2.y - pos1.y) / 2,
-		z = (pos2.z - pos1.z) / 2
-	}
-	local e_centre = {
-		x = pos2.x - radius.x,
-		y = pos2.y - radius.y,
-		z = pos2.z - radius.z
-	}
+	local radius = (pos2 - pos1) / 2
+	local e_centre = pos2 - radius
 	
 	for z = pos2.z, pos1.z, -1 do
 		for y = pos2.y, pos1.y, -1 do
 			for x = pos2.x, pos1.x, -1 do
-				local x_comp = (x - e_centre.x) / radius.x
-				local y_comp = (y - e_centre.y) / radius.y
-				local z_comp = (z - e_centre.z) / radius.z
-				
-				local distance_mult = x_comp*x_comp + y_comp*y_comp + z_comp*z_comp
+				local comp = (Vector3.new(x, y, z) - e_centre) / radius
+				local distance_mult = Vector3.dot(comp, comp)
 				
 				-- Roll everything that's outside the ellipse back
 				if distance_mult > 1 then
@@ -65,6 +57,6 @@ function worldeditadditions.ellipsoidapply(pos1, pos2, func)
 	worldedit.manip_helpers.finish(manip_after, data_after)
 	
 	
-	time_taken_all = worldeditadditions.get_ms_time() - time_taken_all
+	time_taken_all = wea_c.get_ms_time() - time_taken_all
 	return true, { all = time_taken_all, fn = time_taken_fn }
 end
diff --git a/worldeditadditions/lib/fillcaves.lua b/worldeditadditions/lib/fillcaves.lua
index 5a1706f..d9cd201 100644
--- a/worldeditadditions/lib/fillcaves.lua
+++ b/worldeditadditions/lib/fillcaves.lua
@@ -1,8 +1,11 @@
---- Overlap command. Places a specified node on top of each column.
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
+--- Fill caves command. Fills underneath non-air nodes in the defined region.
 -- @module worldeditadditions.overlay
 
 function worldeditadditions.fillcaves(pos1, pos2, node_name)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- Fetch the nodes in the specified area
@@ -12,8 +15,8 @@ function worldeditadditions.fillcaves(pos1, pos2, node_name)
 	local node_id_replace = minetest.get_content_id(node_name)
 	local node_id_ignore = minetest.get_content_id("ignore")
 	
-	-- minetest.log("action", "pos1: " .. worldeditadditions.vector.tostring(pos1))
-	-- minetest.log("action", "pos2: " .. worldeditadditions.vector.tostring(pos2))
+	-- minetest.log("action", "pos1: " .. pos1)
+	-- minetest.log("action", "pos2: " .. pos2)
 	
 	-- z y x is the preferred loop order, but that isn't really possible here
 	
@@ -27,7 +30,7 @@ function worldeditadditions.fillcaves(pos1, pos2, node_name)
 			for y = pos2.y, pos1.y, -1 do
 				local i = area:index(x, y, z)
 				
-				local is_air = worldeditadditions.is_airlike(data[i]) or worldeditadditions.is_liquidlike(data[i])
+				local is_air = wea_c.is_airlike(data[i]) or wea_c.is_liquidlike(data[i])
 				local is_ignore = data[i] == node_id_ignore
 				
 				-- If the previous node was air and this one isn't, then we've found the top level
diff --git a/worldeditadditions/lib/floodfill.lua b/worldeditadditions/lib/floodfill.lua
index e1b5691..3f8ec07 100644
--- a/worldeditadditions/lib/floodfill.lua
+++ b/worldeditadditions/lib/floodfill.lua
@@ -1,13 +1,18 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
+
 --- Flood-fill command for complex lakes etc.
 -- @module worldeditadditions.floodfill
 
-local wea = worldeditadditions
 
 function worldeditadditions.floodfill(start_pos, radius, replace_node)
+	start_pos = Vector3.clone(start_pos)
+	
 	-- Calculate the area we want to modify
-	local pos1 = vector.add(start_pos, { x = radius, y = 0, z = radius })
-	local pos2 = vector.subtract(start_pos, { x = radius, y = radius, z = radius })
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	local pos1 = start_pos + Vector3.new(radius, 0, radius)
+	local pos2 = start_pos - Vector3.new(radius, radius, radius)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	
@@ -27,7 +32,7 @@ function worldeditadditions.floodfill(start_pos, radius, replace_node)
 	end
 	
 	local count = 0
-	local remaining_nodes = wea.Queue.new() remaining_nodes:enqueue(start_pos_index)
+	local remaining_nodes = wea_c.Queue.new() remaining_nodes:enqueue(start_pos_index)
 	
 	-- Do the floodfill
 	while remaining_nodes:is_empty() == false do
@@ -41,35 +46,35 @@ function worldeditadditions.floodfill(start_pos, radius, replace_node)
 		-- We don't need to go upwards here, since we're filling in lake-style
 		local xplus = cur + 1 -- +X
 		if data[xplus] == search_id and
-			worldeditadditions.vector.lengthsquared(vector.subtract(area:position(xplus), start_pos)) < radius_sq and
+			(Vector3.clone(area:position(xplus)) - start_pos):length_squared() < radius_sq and
 			not remaining_nodes:contains(xplus) then
 			-- minetest.log("action", "[floodfill] [+X] index " .. xplus .. " is a " .. data[xplus] .. ", searching for a " .. search_id)
 			remaining_nodes:enqueue(xplus)
 		end
 		local xminus = cur - 1 -- -X
 		if data[xminus] == search_id and
-			worldeditadditions.vector.lengthsquared(vector.subtract(area:position(xminus), start_pos)) < radius_sq and
+			(Vector3.new(area:position(xminus)) - start_pos):length_squared() < radius_sq and
 			not remaining_nodes:contains(xminus) then
 			-- minetest.log("action", "[floodfill] [-X] index " .. xminus .. " is a " .. data[xminus] .. ", searching for a " .. search_id)
 			remaining_nodes:enqueue(xminus)
 		end
 		local zplus = cur + area.zstride -- +Z
 		if data[zplus] == search_id and
-			worldeditadditions.vector.lengthsquared(vector.subtract(area:position(zplus), start_pos)) < radius_sq and
+			(Vector3.new(area:position(zplus)) - start_pos):length_squared() < radius_sq and
 			not remaining_nodes:contains(zplus) then
 			-- minetest.log("action", "[floodfill] [+Z] index " .. zplus .. " is a " .. data[zplus] .. ", searching for a " .. search_id)
 			remaining_nodes:enqueue(zplus)
 		end
 		local zminus = cur - area.zstride -- -Z
 		if data[zminus] == search_id and
-			worldeditadditions.vector.lengthsquared(vector.subtract(area:position(zminus), start_pos)) < radius_sq and
+			(Vector3.new(area:position(zminus)) - start_pos):length_squared() < radius_sq and
 			not remaining_nodes:contains(zminus) then
 			-- minetest.log("action", "[floodfill] [-Z] index " .. zminus .. " is a " .. data[zminus] .. ", searching for a " .. search_id)
 			remaining_nodes:enqueue(zminus)
 		end
 		local yminus = cur - area.ystride -- -Y
 		if data[yminus] == search_id and
-			worldeditadditions.vector.lengthsquared(vector.subtract(area:position(yminus), start_pos)) < radius_sq and
+			(Vector3.new(area:position(yminus)) - start_pos):length_squared() < radius_sq and
 			not remaining_nodes:contains(yminus)  then
 			-- minetest.log("action", "[floodfill] [-Y] index " .. yminus .. " is a " .. data[yminus] .. ", searching for a " .. search_id)
 			remaining_nodes:enqueue(yminus)
diff --git a/worldeditadditions/lib/forest.lua b/worldeditadditions/lib/forest.lua
index c0d3022..104f0b0 100644
--- a/worldeditadditions/lib/forest.lua
+++ b/worldeditadditions/lib/forest.lua
@@ -1,9 +1,12 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 --- Overlap command. Places a specified node on top of each column.
 -- @module worldeditadditions.layers
 
 
 function worldeditadditions.forest(pos1, pos2, density_multiplier, sapling_weights)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	
 	local weight_total = 0
 	for _name,weight in pairs(sapling_weights) do
@@ -33,7 +36,7 @@ function worldeditadditions.forest(pos1, pos2, density_multiplier, sapling_weigh
 				local i = area:index(x, y, z)
 				local node_id = data[i]
 				if not group_cache[node_id] then
-					group_cache[node_id] = worldeditadditions.is_sapling(node_id)
+					group_cache[node_id] = wea_c.is_sapling(node_id)
 				end
 				
 				if group_cache[node_id] then
@@ -50,7 +53,7 @@ function worldeditadditions.forest(pos1, pos2, density_multiplier, sapling_weigh
 						new_name_at_pos = minetest.get_node({ z = z, y = y, x = x }).name
 						new_id_at_pos = minetest.get_content_id(new_name_at_pos)
 						if not group_cache[new_id_at_pos] then
-							group_cache[new_id_at_pos] = worldeditadditions.is_sapling(new_id_at_pos)
+							group_cache[new_id_at_pos] = wea_c.is_sapling(new_id_at_pos)
 						end
 						if not group_cache[new_id_at_pos] then
 							did_grow = true
@@ -84,7 +87,7 @@ function worldeditadditions.forest(pos1, pos2, density_multiplier, sapling_weigh
 			for y = pos2.y, pos1.y, -1 do
 				local i = area:index(x, y, z)
 				if not group_cache[data[i]] then
-					group_cache[data[i]] = worldeditadditions.is_sapling(data[i])
+					group_cache[data[i]] = wea_c.is_sapling(data[i])
 				end
 				
 				if group_cache[data[i]] then
@@ -95,7 +98,7 @@ function worldeditadditions.forest(pos1, pos2, density_multiplier, sapling_weigh
 	end
 	
 	stats.successes = #stats.attempts
-	stats.attempts_avg = worldeditadditions.average(stats.attempts)
+	stats.attempts_avg = wea_c.average(stats.attempts)
 	
 	-- Save the modified nodes back to disk & return
 	worldedit.manip_helpers.finish(manip, data)
diff --git a/worldeditadditions/lib/hollow.lua b/worldeditadditions/lib/hollow.lua
index 74328fe..dc38d58 100644
--- a/worldeditadditions/lib/hollow.lua
+++ b/worldeditadditions/lib/hollow.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 -- ██   ██  ██████  ██      ██       ██████  ██     ██
 -- ██   ██ ██    ██ ██      ██      ██    ██ ██     ██
 -- ███████ ██    ██ ██      ██      ██    ██ ██  █  ██
@@ -8,7 +11,7 @@
 -- (think of the bits of the outermost parts of the defined region as the
 -- 'walls' to a box)
 function worldeditadditions.hollow(pos1, pos2, wall_thickness)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- Fetch the nodes in the specified area
@@ -18,8 +21,8 @@ function worldeditadditions.hollow(pos1, pos2, wall_thickness)
 	local node_id_ignore = minetest.get_content_id("ignore")
 	local node_id_air = minetest.get_content_id("air")
 	
-	-- minetest.log("action", "pos1: " .. worldeditadditions.vector.tostring(pos1))
-	-- minetest.log("action", "pos2: " .. worldeditadditions.vector.tostring(pos2))
+	-- minetest.log("action", "pos1: " ..pos1)
+	-- minetest.log("action", "pos2: " .. pos2)
 	
 	local changes = { replaced = 0 }
 	for z = pos2.z - wall_thickness, pos1.z + wall_thickness, -1 do
@@ -27,7 +30,7 @@ function worldeditadditions.hollow(pos1, pos2, wall_thickness)
 			for x = pos2.x - wall_thickness, pos1.x + wall_thickness, -1 do
 				local i = area:index(x, y, z)
 				
-				local is_air = worldeditadditions.is_airlike(data[i])
+				local is_air = wea_c.is_airlike(data[i])
 				local is_ignore = data[i] == node_id_ignore
 				
 				if not is_ignore and not is_air then
diff --git a/worldeditadditions/lib/layers.lua b/worldeditadditions/lib/layers.lua
index 8ace75f..100a826 100644
--- a/worldeditadditions/lib/layers.lua
+++ b/worldeditadditions/lib/layers.lua
@@ -1,18 +1,20 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 -- ██       █████  ██    ██ ███████ ██████  ███████
 -- ██      ██   ██  ██  ██  ██      ██   ██ ██
 -- ██      ███████   ████   █████   ██████  ███████
 -- ██      ██   ██    ██    ██      ██   ██      ██
 -- ███████ ██   ██    ██    ███████ ██   ██ ███████
 
-local wea = worldeditadditions
 
 local function print_slopes(slopemap, width)
-	local copy = wea.table.shallowcopy(slopemap)
+	local copy = wea_c.table.shallowcopy(slopemap)
 	for key,value in pairs(copy) do
-		copy[key] = wea.round(math.deg(value), 2)
+		copy[key] = wea_c.round(math.deg(value), 2)
 	end
 	
-	worldeditadditions.format.array_2d(copy, width)
+	wea_c.format.array_2d(copy, width)
 end
 
 --- Replaces the non-air nodes in each column with a list of nodes from top to bottom.
@@ -22,7 +24,7 @@ end
 -- @param	min_slope		number?		
 -- @param	max_slope		number?		
 function worldeditadditions.layers(pos1, pos2, node_weights, min_slope, max_slope)
-	pos1, pos2 = wea.Vector3.sort(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	if not min_slope then min_slope = math.rad(0) end
 	if not max_slope then max_slope = math.rad(180) end
 	-- pos2 will always have the highest co-ordinates now
@@ -33,13 +35,13 @@ function worldeditadditions.layers(pos1, pos2, node_weights, min_slope, max_slop
 	
 	local node_id_ignore = minetest.get_content_id("ignore")
 	
-	local node_ids, node_ids_count = wea.unwind_node_list(node_weights)
+	local node_ids, node_ids_count = wea_c.unwind_node_list(node_weights)
 	
-	local heightmap, heightmap_size = wea.terrain.make_heightmap(
+	local heightmap, heightmap_size = wea_c.terrain.make_heightmap(
 		pos1, pos2,
 		manip, area, data
 	)
-	local slopemap = wea.terrain.calculate_slopes(heightmap, heightmap_size)
+	local slopemap = wea_c.terrain.calculate_slopes(heightmap, heightmap_size)
 	-- worldeditadditions.format.array_2d(heightmap, heightmap_size.x)
 	-- print_slopes(slopemap, heightmap_size.x)
 	--luacheck:ignore 311
@@ -68,7 +70,7 @@ function worldeditadditions.layers(pos1, pos2, node_weights, min_slope, max_slop
 				for y = pos2.y, pos1.y, -1 do
 					local i = area:index(x, y, z)
 					
-					local is_air = wea.is_airlike(data[i])
+					local is_air = wea_c.is_airlike(data[i])
 					local is_ignore = data[i] == node_id_ignore
 					
 					if not is_air and not is_ignore then
diff --git a/worldeditadditions/lib/line.lua b/worldeditadditions/lib/line.lua
index 140bb58..ec82d6e 100644
--- a/worldeditadditions/lib/line.lua
+++ b/worldeditadditions/lib/line.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_commands
+local Vector3 = wea_c.Vector3
+
 --- Counts the nodes in a given area.
 -- @module worldeditadditions.count
 
@@ -9,11 +12,11 @@
 
 
 function worldeditadditions.line(pos1, pos2, thickness, node_name)
-	local pos1_sorted, pos2_sorted = worldedit.sort_pos(pos1, pos2)
+	local pos1_sorted, pos2_sorted = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
-	pos1 = vector.new(pos1)
-	pos2 = vector.new(pos2)
+	pos1 = Vector3.clone(pos1)
+	pos2 = Vector3.clone(pos2)
 	
 	local node_id_replace = minetest.get_content_id(node_name)
 	
@@ -26,16 +29,11 @@ function worldeditadditions.line(pos1, pos2, thickness, node_name)
 	for z = pos2_sorted.z, pos1_sorted.z, -1 do
 		for x = pos2_sorted.x, pos1_sorted.x, -1 do
 			for y = pos2_sorted.y, pos1_sorted.y, -1 do
-				local here = vector.new(x, y, z)
-				local D = vector.normalize(
-					vector.subtract(pos2, pos1)
-				)
-				local d = vector.dot(vector.subtract(here, pos1), D)
-				local closest_on_line = vector.add(
-					pos1,
-					vector.multiply(D, d)
-				)
-				local distance = vector.length(vector.subtract(here, closest_on_line))
+				local here = Vector3.new(x, y, z)
+				local D = (pos2 - pos1):normalise()
+				local d = Vector3.dot(here - pos1, D)
+				local closest_on_line = pos1 + (D * d)
+				local distance = (here - closest_on_line):length()
 				
 				if distance < thickness then
 					data[area:index(x, y, z)] = node_id_replace
diff --git a/worldeditadditions/lib/maze2d.lua b/worldeditadditions/lib/maze2d.lua
index 85a413e..9db150f 100644
--- a/worldeditadditions/lib/maze2d.lua
+++ b/worldeditadditions/lib/maze2d.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_commands
+local Vector3 = wea_c.Vector3
+
 --- Generates a maze.
 -- Algorithm origin: https://starbeamrainbowlabs.com/blog/article.php?article=posts/070-Language-Review-Lua.html
 -- @module worldeditadditions.maze
@@ -117,16 +120,17 @@ end
 -- local world = maze(os.time(), width, height)
 
 function worldeditadditions.maze2d(pos1, pos2, target_node, seed, path_length, path_width)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- getExtent() returns the number of nodes in the VoxelArea, which might be larger than we actually asked for
-	local extent = {
-		x = (pos2.x - pos1.x) + 1, path_length, path_width,
-		y = (pos2.y - pos1.y) + 1, -- not a dimension passed to the maze generator itself
-		z = (pos2.z - pos1.z) + 1, path_length, path_width
-	}
-	-- minetest.log("action", "extent: ("..extent.x..", "..extent.y..", "..extent.z..")")
+	local extent = (pos2 - pos1) + 1
+	--- Extent:
+	-- x = path_length, path_width
+	-- y = not a dimension passed to the maze generator itself
+	-- z = path_length, path_width
+	
+	-- minetest.log("action", "extent: "..extent)
 	
 	if extent.x < 3 or extent.y < 1 or extent.z < 3 then
 		minetest.log("error", "[worldeditadditions/maze] error: either x, y of the extent were less than 3, or z of the extent was less than 1")
diff --git a/worldeditadditions/lib/maze3d.lua b/worldeditadditions/lib/maze3d.lua
index 42318e2..f2eef0a 100644
--- a/worldeditadditions/lib/maze3d.lua
+++ b/worldeditadditions/lib/maze3d.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_commands
+local Vector3 = wea_c.Vector3
+
 --- Generates a maze.
 -- Algorithm origin: https://starbeamrainbowlabs.com/blog/article.php?article=posts/070-Language-Review-Lua.html
 -- @module worldeditadditions.maze
@@ -169,15 +172,12 @@ end
 -- local world = maze(os.time(), width, height)
 
 function worldeditadditions.maze3d(pos1, pos2, target_node, seed, path_length, path_width, path_depth)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- getExtent() returns the number of nodes in the VoxelArea, which might be larger than we actually asked for
-	local extent = {
-		x = (pos2.x - pos1.x) + 1,
-		y = (pos2.y - pos1.y) + 1,
-		z = (pos2.z - pos1.z) + 1
-	}
+	local extent = (pos2 - pos1) + 1
+	
 	-- minetest.log("action", "extent: ("..extent.x..", "..extent.y..", "..extent.z..")")
 	
 	if extent.x < 3 or extent.y < 3 or extent.z < 3 then
diff --git a/worldeditadditions/lib/move.lua b/worldeditadditions/lib/move.lua
index 2432fce..9bbf767 100644
--- a/worldeditadditions/lib/move.lua
+++ b/worldeditadditions/lib/move.lua
@@ -1,8 +1,8 @@
 --- Copies a region to another location, potentially overwriting the exiting region.
 -- @module worldeditadditions.copy
 
-local wea = worldeditadditions
-local Vector3 = wea.Vector3
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
 
 -- ███    ███  ██████  ██    ██ ███████
 -- ████  ████ ██    ██ ██    ██ ██
diff --git a/worldeditadditions/lib/noiseapply2d.lua b/worldeditadditions/lib/noiseapply2d.lua
index 844ba99..2954c86 100644
--- a/worldeditadditions/lib/noiseapply2d.lua
+++ b/worldeditadditions/lib/noiseapply2d.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_commands
+local Vector3 = wea_c.Vector3
+
 -- ███    ██  ██████  ██ ███████ ███████  █████  ██████  ██████  ██   ██    ██ ██████  ██████
 -- ████   ██ ██    ██ ██ ██      ██      ██   ██ ██   ██ ██   ██ ██    ██  ██       ██ ██   ██
 -- ██ ██  ██ ██    ██ ██ ███████ █████   ███████ ██████  ██████  ██     ████    █████  ██   ██
@@ -11,8 +14,8 @@
 -- @param	{Position}	pos2	The 2nd positioon defining the region boundary 
 -- @param	{Function}	func	The function to call that performs the action in question. It is expected that the given function will accept no arguments.
 function worldeditadditions.noiseapply2d(pos1, pos2, threshold, scale, func)
-	local time_taken_all = worldeditadditions.get_ms_time()
-	pos1, pos2 = worldeditadditions.Vector3.sort(pos1, pos2)
+	local time_taken_all = wea_c.get_ms_time()
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	if not threshold then threshold = 0.5 end
 	-- pos2 will always have the highest co-ordinates now
 	
@@ -20,14 +23,14 @@ function worldeditadditions.noiseapply2d(pos1, pos2, threshold, scale, func)
 	local manip_before, area_before = worldedit.manip_helpers.init(pos1, pos2)
 	local data_before = manip_before:get_data()
 	
-	local time_taken_fn = worldeditadditions.get_ms_time()
+	local time_taken_fn = wea_c.get_ms_time()
 	func()
-	time_taken_fn = worldeditadditions.get_ms_time() - time_taken_fn
+	time_taken_fn = wea_c.get_ms_time() - time_taken_fn
 	
 	local manip_after, area_after = worldedit.manip_helpers.init(pos1, pos2)
 	local data_after = manip_after:get_data()
 	
-	local size2d = pos2 - pos1 + worldeditadditions.Vector3.new(1, 1, 1)
+	local size2d = pos2 - pos1 + Vector3.new(1, 1, 1)
 	print("DEBUG pos1", pos1, "pos2", pos2, "size2d", size2d)
 	local success, noise = worldeditadditions.noise.make_2d(size2d, pos1, {
 		algorithm = "perlinmt",
@@ -55,6 +58,6 @@ function worldeditadditions.noiseapply2d(pos1, pos2, threshold, scale, func)
 	-- No need to save - this function doesn't actually change anything
 	worldedit.manip_helpers.finish(manip_after, data_after)
 	
-	time_taken_all = worldeditadditions.get_ms_time() - time_taken_all
+	time_taken_all = wea_c.get_ms_time() - time_taken_all
 	return true, { all = time_taken_all, fn = time_taken_fn }
 end
diff --git a/worldeditadditions/lib/overlay.lua b/worldeditadditions/lib/overlay.lua
index cc21b8d..957352f 100644
--- a/worldeditadditions/lib/overlay.lua
+++ b/worldeditadditions/lib/overlay.lua
@@ -1,8 +1,11 @@
+local wea_c = worldeditadditions_commands
+local Vector3 = wea_c.Vector3
+
 --- Overlap command. Places a specified node on top of each column.
 -- @module worldeditadditions.overlay
 
 function worldeditadditions.overlay(pos1, pos2, node_weights)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- Fetch the nodes in the specified area
@@ -11,7 +14,7 @@ function worldeditadditions.overlay(pos1, pos2, node_weights)
 	
 	local node_id_ignore = minetest.get_content_id("ignore")
 	
-	local node_ids, node_ids_count = worldeditadditions.make_weighted(node_weights)
+	local node_ids, node_ids_count = wea_c.make_weighted(node_weights)
 	
 	-- minetest.log("action", "pos1: " .. worldeditadditions.vector.tostring(pos1))
 	-- minetest.log("action", "pos2: " .. worldeditadditions.vector.tostring(pos2))
@@ -26,11 +29,11 @@ function worldeditadditions.overlay(pos1, pos2, node_weights)
 			-- print("\n\n[overlay] ****** column start ******")
 			for y = pos2.y, pos1.y, -1 do
 				local i = area:index(x, y, z)
-				-- print("[overlay] pos", x, y, z, "id", data[i], "name", minetest.get_name_from_content_id(data[i]), "is_liquid", worldeditadditions.is_liquidlike(data[i]))
+				-- print("[overlay] pos", x, y, z, "id", data[i], "name", minetest.get_name_from_content_id(data[i]), "is_liquid", wea_c.is_liquidlike(data[i]))
 				
-				local is_air = worldeditadditions.is_airlike(data[i])
-				local is_liquid = worldeditadditions.is_liquidlike(data[i])
-				-- wielded_light is now handled by worldeditadditions.is_airlike
+				local is_air = wea_c.is_airlike(data[i])
+				local is_liquid = wea_c.is_liquidlike(data[i])
+				-- wielded_light is now handled by wea_c.is_airlike
 				
 				local is_ignore = data[i] == node_id_ignore
 				
diff --git a/worldeditadditions/lib/replacemix.lua b/worldeditadditions/lib/replacemix.lua
index e8a556e..ed50f5e 100644
--- a/worldeditadditions/lib/replacemix.lua
+++ b/worldeditadditions/lib/replacemix.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_commands
+local Vector3 = wea_c.Vector3
+
 --- Like //mix, but replaces a given node instead.
 -- @module worldeditadditions.replacemix
 
@@ -7,7 +10,7 @@
 -- ██   ██ ██      ██      ██      ██   ██ ██      ██      ██  ██  ██ ██  ██ ██
 -- ██   ██ ███████ ██      ███████ ██   ██  ██████ ███████ ██      ██ ██ ██   ██
 function worldeditadditions.replacemix(pos1, pos2, target_node, target_node_chance, replacements)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
 	-- pos2 will always have the highest co-ordinates now
 	
 	-- Fetch the nodes in the specified area
@@ -22,7 +25,7 @@ function worldeditadditions.replacemix(pos1, pos2, target_node, target_node_chan
 	local distribution = {}
 	
 	-- Generate the list of node ids
-	local node_ids_replace, node_ids_replace_count = worldeditadditions.make_weighted(replacements)
+	local node_ids_replace, node_ids_replace_count = wea_c.make_weighted(replacements)
 	for node_name, weight in pairs(replacements) do
 		distribution[minetest.get_content_id(node_name)] = 0
 	end
diff --git a/worldeditadditions/lib/scale_down.lua b/worldeditadditions/lib/scale_down.lua
index 5bca63a..a04a64f 100644
--- a/worldeditadditions/lib/scale_down.lua
+++ b/worldeditadditions/lib/scale_down.lua
@@ -1,3 +1,6 @@
+local wea_c = worldeditadditions_core
+local Vector3 = wea_c.Vector3
+
 -- ███████  ██████  █████  ██      ███████         ██████   ██████  ██     ██ ███    ██
 -- ██      ██      ██   ██ ██      ██              ██   ██ ██    ██ ██     ██ ████   ██
 -- ███████ ██      ███████ ██      █████           ██   ██ ██    ██ ██  █  ██ ██ ██  ██
@@ -11,7 +14,9 @@
 -- @param	anchor		Vector	The direction to scale in - as a vector. e.g. { x = -1, y = 1, z = -1 } would mean scale in the negative x, positive y, and nevative z directions.
 -- @return	boolean, string|table	Whether the operation was successful or not. If not, then an error messagea as a string is also passed. If it was, then a statistics object is returned instead.
 function worldeditadditions.scale_down(pos1, pos2, scale, anchor)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1, pos2 = Vector3.sort(pos1, pos2)
+	scale = Vector3.clone(scale)
+	
 	if scale.x > 1 or scale.y > 1 or scale.z > 1 or scale.x < -1 or scale.y < -1 or scale.z < -1 then
 		return false, "Error: Scale factor vectors may not mix values -1 < factor < 1 and (1 < factor or factor < -1) - in other words, you can't scale both up and down at the same time (try worldeditadditions.scale, which automatically applies such scale factor vectors as 2 successive operations)"
 	end
@@ -19,31 +24,23 @@ function worldeditadditions.scale_down(pos1, pos2, scale, anchor)
 		return false, "Error: One of the components of the anchor vector was 0 (anchor components should either be greater than or less than 0 to indicate the anchor to scale in.)"
 	end
 	
-	local scale_down = {
-		x = math.floor(1 / scale.x),
-		y = math.floor(1 / scale.y),
-		z = math.floor(1 / scale.z)
-	}
-	local size = vector.subtract(pos2, pos1)
+	local scale_down = (1 / scale):floor()
+	local size = pos2 - pos1
 	
 	if size.x < scale_down.x or size.y < scale_down.y or size.z < scale.z then
-		return false, "Error: Area isn't big enough to apply scale down by "..worldeditadditions.vector.tostring(scale).."."
+		return false, "Error: Area isn't big enough to apply scale down by "..scale.."."
 	end
 	
-	local size_small = {
-		x = math.floor(size.x / scale_down.x),
-		y = math.floor(size.y / scale_down.y),
-		z = math.floor(size.z / scale_down.z)
-	}
+	local size_small = (size / scale_down):floor()
 	
 	local manip, area = worldedit.manip_helpers.init(pos1, pos2)
 	local data = manip:get_data()
-	local data_copy = worldeditadditions.table.shallowcopy(data)
+	local data_copy = wea_c.table.shallowcopy(data)
 	
 	local node_id_air = minetest.get_content_id("air")
 	
-	local pos1_small = vector.new(pos1)
-	local pos2_small = vector.new(pos2)
+	local pos1_small = pos1:clone()
+	local pos2_small = pos2:clone()
 	
 	if anchor.x < 1 then pos1_small.x = pos2_small.x - size_small.x
 	else pos2_small.x = pos1_small.x + size_small.x end
@@ -65,22 +62,18 @@ function worldeditadditions.scale_down(pos1, pos2, scale, anchor)
 	for z = pos2.z, pos1.z, -1 do
 		for y = pos2.y, pos1.y, -1 do
 			for x = pos2.x, pos1.x, -1 do
-				local posi_rel = vector.subtract({ x = x, y = y, z = z }, pos1)
+				local posi_rel = Vector3.new(x, y, z) - pos1
 				
-				-- local posi_copy = worldeditadditions.table.shallowcopy(posi_rel)
+				-- local posi_copy = wea_c.table.shallowcopy(posi_rel)
 				-- posi_copy = vector.floor(vector.divide(posi_rel/*, scale_down*/))
 				
-				local posi_copy = {
-					x = math.floor(posi_rel.x / scale_down.x),
-					y = math.floor(posi_rel.y / scale_down.y),
-					z = math.floor(posi_rel.z / scale_down.z)
-				}
+				local posi_copy = posi_rel / scale_down
 				
 				if anchor.x < 0 then posi_copy.x = size.x - posi_copy.x end
 				if anchor.y < 0 then posi_copy.y = size.y - posi_copy.y end
 				if anchor.z < 0 then posi_copy.z = size.z - posi_copy.z end
 				
-				posi_copy = vector.add(pos1, posi_copy)
+				posi_copy = pos1 + posi_copy
 				
 				local i_source = area:index(x, y, z)
 				local i_target = area:index(posi_copy.x, posi_copy.y, posi_copy.z)
diff --git a/worldeditadditions_core/utils/vector3.lua b/worldeditadditions_core/utils/vector3.lua
index 2d97858..fc43984 100644
--- a/worldeditadditions_core/utils/vector3.lua
+++ b/worldeditadditions_core/utils/vector3.lua
@@ -95,7 +95,8 @@ function Vector3.mul(a, b) return Vector3.multiply(a, b) end
 -- @returns	Vector3				The result as a new Vector3 object.
 function Vector3.divide(a, b)
 	if type(a) == "number" then
-		return Vector3.new(b.x / a, b.y / a, b.z / a)
+		return Vector3.new(a / b.x, a/ b.y, a / b.z)
+		-- return Vector3.new(b.x / a, b.y / a, b.z / a) -- BUG: is this a bug?
 	elseif type(b) == "number" then
 		return Vector3.new(a.x / b, a.y / b, a.z / b)
 	end