Move world-related functions to mcl_worlds

mods/ITEMS/mcl_portals/depends.txt

@@ -1,5 +1,5 @@
 mcl_init
-mcl_util
+mcl_worlds
 mcl_core
 mcl_nether
 mcl_end

mods/ITEMS/mcl_portals/portal_end.lua

@@ -200,7 +200,7 @@ minetest.register_abm({
 		for _,obj in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
 			local lua_entity = obj:get_luaentity() --maikerumine added for objects to travel
 			if obj:is_player() or lua_entity then
-				local _, dim = mcl_util.y_to_layer(pos.y)
+				local dim = mcl_worlds.pos_to_dimension(pos)
 
 				local objpos = obj:getpos()
 				if objpos == nil then
@@ -263,7 +263,7 @@ minetest.register_abm({
 				-- Teleport
 				obj:set_pos(target)
 				if obj:is_player() then
-					-- Look towards the End island
+					-- Look towards the main End island
 					if dim ~= "end" then
 						obj:set_look_horizontal(math.pi/2)
 					end

mods/ITEMS/mcl_portals/portal_nether.lua

@@ -289,7 +289,7 @@ end
 -- Returns true on success and false on failure.
 function mcl_portals.light_nether_portal(pos)
 	-- Only allow to make portals in Overworld and Nether
-	local _, dim = mcl_util.y_to_layer(pos.y)
+	local dim = mcl_worlds.pos_to_dimension(pos)
 	if dim ~= "overworld" and dim ~= "nether" then
 		return false
 	end
@@ -433,7 +433,7 @@ minetest.register_abm({
 						end
 
 						-- Teleport
-						obj:setpos(target)
+						obj:set_pos(target)
 						if obj:is_player() then
 							minetest.sound_play("mcl_portals_teleport", {pos=target, gain=0.5, max_hear_distance = 16})
 						end
@@ -469,7 +469,7 @@ minetest.override_item("mcl_core:obsidian", {
 			doc.mark_entry_as_revealed(user:get_player_name(), "nodes", "mcl_portals:portal")
 
 			-- Achievement for finishing a Nether portal TO the Nether
-			local _, dim = mcl_util.y_to_layer(pos.y)
+			local dim = mcl_worlds.pos_to_dimension(pos)
 			if minetest.get_modpath("awards") and dim ~= "nether" and user:is_player() then
 				awards.unlock(user:get_player_name(), "mcl:buildNetherPortal")
 			end