Add command to place map barriers without WorldEdit (#1254)

* Add `/place_buildtime_barrier`

* Add params

* Fix formatting

* Add outer param

* Add ctf_map:ignore to if

* Oops

* Add ability to remove build-time barriers

* Add warnings

mods/ctf/ctf_map/init.lua

@@ -159,6 +159,100 @@ minetest.register_chatcommand("map", {
 	end
 })
 
+minetest.register_chatcommand("ctf_barrier", {
+	description = "Place or remove map barriers\n" ..
+		"place_buildtime: Within the selected area, replace certain nodes with the " ..
+		"corresponding build-time barrier\nremove_buildtime: Remove build-time " ..
+		"barriers within the selected area\nplace_outer: Surrounds the selected area " ..
+		"with an indestructible glass/stone barrier",
+	privs = {ctf_map_editor = true},
+	params = "[place_buildtime] | [remove_buildtime] | [place_outer]",
+	func = function(name, params)
+		if not params or params == "" then
+			return false, "See /help ctf_barrier for usage instructions"
+		end
+
+		if ctf_core.settings.server_mode ~= "mapedit" then
+			return false, minetest.colorize("red", "You have to be in mapedit mode to run this")
+		end
+
+		if params ~= "place_buildtime" and params ~= "remove_buildtime" and params ~= "place_outer" then
+			return false
+		end
+
+		if params == "place_outer" then
+			minetest.chat_send_player(name,
+				minetest.colorize("yellow", "Warning: this action can't be undone"))
+		end
+
+		ctf_map.get_pos_from_player(name, 2, function(p, positions)
+			local pos1, pos2 = vector.sort(positions[1], positions[2])
+
+			if params == "place_buildtime" and pos1.x ~= pos2.x and pos1.z ~= pos2.z then
+				minetest.chat_send_player(name, minetest.colorize("yellow",
+					"Warning: your build-time barrier is more than 1 node thick, " ..
+					"use /ctf_barrier remove_buildtime to remove unwanted parts"))
+			end
+
+			for x = pos1.x, pos2.x do
+				for y = pos1.y, pos2.y do
+					for z = pos1.z, pos2.z do
+						if params == "place_buildtime" then
+							local current_pos = {x = x, y = y, z = z}
+							local current_node = minetest.get_node_or_nil(current_pos)
+							if current_node then
+								if current_node.name == "air" then
+									minetest.set_node(current_pos, {name = "ctf_map:ind_glass_red"})
+								elseif current_node.name == "default:stone" then
+									minetest.set_node(current_pos, {name = "ctf_map:ind_stone_red"})
+								elseif current_node.name == "default:water_source" then
+									minetest.set_node(current_pos, {name = "ctf_map:ind_water"})
+								elseif current_node.name == "default:lava_source" then
+									minetest.set_node(current_pos, {name = "ctf_map:ind_lava"})
+								end
+							end
+						elseif params == "remove_buildtime" then
+							local current_pos = {x = x, y = y, z = z}
+							local current_node = minetest.get_node_or_nil(current_pos)
+							if current_node then
+								if current_node.name == "ctf_map:ind_glass_red" then
+									minetest.set_node(current_pos, {name = "air"})
+								elseif current_node.name == "ctf_map:ind_stone_red" then
+									minetest.set_node(current_pos, {name = "default:stone"})
+								elseif current_node.name == "ctf_map:ind_water" then
+									minetest.set_node(current_pos, {name = "default:water_source"})
+								elseif current_node.name == "ctf_map:ind_lava" then
+									minetest.set_node(current_pos, {name = "default:lava_source"})
+								end
+							end
+						elseif params == "place_outer" then
+							local current_pos = {x = x, y = y, z = z}
+							if x == pos1.x or x == pos2.x or y == pos1.y
+								or z == pos1.z or z == pos2.z then
+								local current_node = minetest.get_node_or_nil(current_pos)
+								if current_node then
+									if current_node.name == "air" or
+										current_node.name == "ctf_map:ignore" or
+										current_node.name == "ignore" then
+										minetest.set_node(current_pos, {name = "ctf_map:ind_glass"})
+									else
+										minetest.set_node(current_pos, {name = "ctf_map:stone"})
+									end
+								end
+							end
+						end
+					end
+				end
+			end
+			local message =
+				(params == "place_buildtime" and "Build-time barrier placed") or
+				(params == "remove_buildtime" and "Build-time barrier removed") or
+				(params == "place_outer" and "Outer barrier placed")
+			minetest.chat_send_player(name, message)
+		end)
+	end
+})
+
 -- Attempt to restore user's time speed after server close
 local TIME_SPEED = minetest.settings:get("time_speed")