Mark the region with an entity cube.

worldedit/serialization.lua

@@ -183,7 +183,7 @@ end
 --loads the nodes represented by string `value` at position `originpos`, returning the number of nodes deserialized
 --contains code based on [table.save/table.load](http://lua-users.org/wiki/SaveTableToFile) by ChillCode, available under the MIT license (GPL compatible)
 worldedit.deserialize = function(originpos, value)
-	--make area stay loaded --wip: not very performant
+	--make area stay loaded
 	local pos1, pos2 = worldedit.allocate(originpos, value)
 	local manip = minetest.get_voxel_manip()
 	manip:read_from_map(pos1, pos2)

worldedit_commands/mark.lua

@@ -1,25 +1,6 @@
 worldedit.marker1 = {}
 worldedit.marker2 = {}
-worldedit.marker = {}
-
---wip: use this as a huge entity to make a full worldedit region box
-minetest.register_entity(":worldedit:region_cube", {
-	initial_properties = {
-		visual = "upright_sprite",
-		visual_size = {x=1.1, y=1.1},
-		textures = {"worldedit_pos1.png"},
-		visual_size = {x=10, y=10},
-		physical = false,
-	},
-	on_step = function(self, dtime)
-		if self.active == nil then
-			self.object:remove()
-		end
-	end,
-	on_punch = function(self, hitter)
-		--wip: remove the entire region marker
-	end,
-})
+worldedit.marker_region = {}
 
 --marks worldedit region position 1
 worldedit.mark_pos1 = function(name)
@@ -37,11 +18,11 @@ worldedit.mark_pos1 = function(name)
 	if pos1 ~= nil then
 		--add marker
 		worldedit.marker1[name] = minetest.add_entity(pos1, "worldedit:pos1")
-		worldedit.marker1[name]:get_luaentity().active = true
-		if pos2 ~= nil then --region defined
-			worldedit.mark_region(pos1, pos2)
+		if worldedit.marker1[name] ~= nil then
+			worldedit.marker1[name]:get_luaentity().name = name
 		end
 	end
+	worldedit.mark_region(name)
 end
 
 --marks worldedit region position 2
@@ -60,23 +41,58 @@ worldedit.mark_pos2 = function(name)
 	if pos2 ~= nil then
 		--add marker
 		worldedit.marker2[name] = minetest.add_entity(pos2, "worldedit:pos2")
-		worldedit.marker2[name]:get_luaentity().active = true
-		if pos1 ~= nil then --region defined
-			worldedit.mark_region(pos1, pos2)
+		if worldedit.marker2[name] ~= nil then
+			worldedit.marker2[name]:get_luaentity().name = name
 		end
 	end
+	worldedit.mark_region(name)
 end
 
-worldedit.mark_region = function(pos1, pos2)
-	--make area stay loaded
-	local manip = minetest.get_voxel_manip()
-	manip:read_from_map(pos1, pos2)
+worldedit.mark_region = function(name)
+	local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name]
 
-	if worldedit.marker[name] ~= nil then --marker already exists
-		--wip: remove markers
+	if worldedit.marker_region[name] ~= nil then --marker already exists
+		--wip: make the area stay loaded somehow
+		for _, entity in ipairs(worldedit.marker_region[name]) do
+			entity:remove()
+		end
+		worldedit.marker_region[name] = nil
 	end
 	if pos1 ~= nil and pos2 ~= nil then
-		--wip: place markers
+		local pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+		local thickness = 0.2
+		local sizex, sizey, sizez = (1 + pos2.x - pos1.x) / 2, (1 + pos2.y - pos1.y) / 2, (1 + pos2.z - pos1.z) / 2
+
+		--make area stay loaded
+		local manip = minetest.get_voxel_manip()
+		manip:read_from_map(pos1, pos2)
+
+		local markers = {}
+
+		--XY plane markers
+		for _, z in ipairs({pos1.z - 0.5, pos2.z + 0.5}) do
+			local marker = minetest.add_entity({x=pos1.x + sizex - 0.5, y=pos1.y + sizey - 0.5, z=z}, "worldedit:region_cube")
+			marker:set_properties({
+				visual_size={x=sizex * 2, y=sizey * 2},
+				collisionbox = {-sizex, -sizey, -thickness, sizex, sizey, thickness},
+			})
+			marker:get_luaentity().name = name
+			table.insert(markers, marker)
+		end
+
+		--YZ plane markers
+		for _, x in ipairs({pos1.x - 0.5, pos2.x + 0.5}) do
+			local marker = minetest.add_entity({x=x, y=pos1.y + sizey - 0.5, z=pos1.z + sizez - 0.5}, "worldedit:region_cube")
+			marker:set_properties({
+				visual_size={x=sizez * 2, y=sizey * 2},
+				collisionbox = {-thickness, -sizey, -sizez, thickness, sizey, sizez},
+			})
+			marker:setyaw(math.pi / 2)
+			marker:get_luaentity().name = name
+			table.insert(markers, marker)
+		end
+
+		worldedit.marker_region[name] = markers
 	end
 end
 
@@ -91,14 +107,13 @@ minetest.register_entity(":worldedit:pos1", {
 		physical = false,
 	},
 	on_step = function(self, dtime)
-		if self.active == nil then
+		if worldedit.marker1[self.name] == nil then
 			self.object:remove()
 		end
 	end,
 	on_punch = function(self, hitter)
 		self.object:remove()
-		local name = hitter:get_player_name()
-		worldedit.marker1[name] = nil
+		worldedit.marker1[self.name] = nil
 	end,
 })
 
@@ -113,13 +128,34 @@ minetest.register_entity(":worldedit:pos2", {
 		physical = false,
 	},
 	on_step = function(self, dtime)
-		if self.active == nil then
+		if worldedit.marker2[self.name] == nil then
 			self.object:remove()
 		end
 	end,
 	on_punch = function(self, hitter)
 		self.object:remove()
-		local name = hitter:get_player_name()
-		worldedit.marker2[name] = nil
+		worldedit.marker2[self.name] = nil
+	end,
+})
+
+minetest.register_entity(":worldedit:region_cube", {
+	initial_properties = {
+		visual = "upright_sprite",
+		visual_size = {x=1.1, y=1.1},
+		textures = {"worldedit_cube.png"},
+		visual_size = {x=10, y=10},
+		physical = false,
+	},
+	on_step = function(self, dtime)
+		if worldedit.marker_region[self.name] == nil then
+			self.object:remove()
+			return
+		end
+	end,
+	on_punch = function(self, hitter)
+		for _, entity in ipairs(worldedit.marker_region[self.name]) do
+			entity:remove()
+		end
+		worldedit.marker_region[self.name] = nil
 	end,
 })

worldedit_gui/init.lua

@@ -1,5 +1,7 @@
 worldedit = worldedit or {}
 
+--wip: simply add a button to the player inventory if unified_inventory AND inventory++ are both not installed
+
 --[[
 Example:
 
@@ -129,7 +131,7 @@ end
 worldedit.register_gui_function("worldedit_gui", {
 	name = "WorldEdit GUI",
 	get_formspec = function(name)
-		--create a form with all the buttons arranged in a grid --wip: show only buttons that the player has privs for
+		--create a form with all the buttons arranged in a grid
 		local buttons, x, y, index = {}, 0, 1, 0
 		local width, height = 3, 0.8
 		local columns = 5