add //listentities

CHANGELOG.md

@@ -3,6 +3,9 @@ It's about time I started a changelog! This will serve from now on as the main c
 
 Note to self: See the bottom of this file for the release template text.
 
+## v1.14.5: The multipoint update, hotfix 5 (unreleased)
+- Added `//listentities`, which lists all currently loaded `ObjectRef`s. This is intended for debugging mods.
+
 
 ## v1.14.4: The multipoint update, hotfix 4 (31st July 2023)
 - When any segment of the marker wall is punched, unmark the entire wall
@@ -11,6 +14,7 @@ Note to self: See the bottom of this file for the release template text.
 ## v1.14.3: The multipoint update, hotfix 3 (18th July 2023)
 - Fix regions not remembering their state and being unresettable
 
+
 ## v1.14.2: The multipoint update, hotfix 2 (15th July 2023)
 - Fix crash in `//subdivide`, again due to the new position system
 

worldeditadditions_commands/commands/meta/init.lua

@@ -16,3 +16,5 @@ dofile(we_cmdpath.."many.lua")
 dofile(we_cmdpath.."multi.lua")
 dofile(we_cmdpath.."noiseapply2d.lua")
 dofile(we_cmdpath.."subdivide.lua")
+
+dofile(we_cmdpath.."listentities.lua")

worldeditadditions_commands/commands/meta/listentities.lua

@@ -0,0 +1,39 @@
+-- Lists all currently loaded entities.
+
+local weac = worldeditadditions_core
+
+minetest.register_chatcommand("/listentities", {
+	params = "",
+	description =
+	"Lists all currently loaded entities. This is a command for debugging and development. You will not need this unless you are developing a mod.",
+	privs = { worldedit = true },
+	func = function(name, params_text)
+		local table_vals = {
+			{ "ID", "Name", "Position" },
+			{ "------", "-------", "---------" },
+		}
+		for id, obj in pairs(minetest.object_refs) do
+			local obj_name = "[ObjectRef]"
+			if obj.get_luaentity then
+				local luaentity = obj:get_luaentity()
+				if luaentity then
+					obj_name = "[LuaEntity:"..luaentity.name.."]"
+				else
+					obj_name = "[LuaEntity:__UNKNOWN__]"
+				end
+			end
+			local pos = weac.Vector3.clone(obj:get_pos())
+			table.insert(table_vals, {
+				id,
+				obj_name,
+				tostring(pos)
+			})
+		end
+		worldedit.player_notify(name, table.concat({
+			"Currently loaded entities:",
+			weac.format.make_ascii_table(table_vals),
+			"",
+			"Total "..tostring(#table_vals).." objects"
+		}, "\n"))
+	end
+})