screwdriver = {} local function nextrange(x, max) x = x + 1 if x > max then x = 0 end return x end screwdriver.ROTATE_FACE = 1 screwdriver.ROTATE_AXIS = 2 screwdriver.disallow = function(pos, node, user, mode, new_param2) return false end screwdriver.rotate_simple = function(pos, node, user, mode, new_param2) if mode ~= screwdriver.ROTATE_FACE then return false end end -- Handles rotation screwdriver.handler = function(itemstack, user, pointed_thing, mode, uses) if pointed_thing.type ~= "node" then return end local pos = pointed_thing.under if minetest.is_protected(pos, user:get_player_name()) then minetest.record_protection_violation(pos, user:get_player_name()) return end local node = minetest.get_node(pos) local ndef = minetest.registered_nodes[node.name] -- verify node is facedir (expected to be rotatable) if not ndef or ndef.paramtype2 ~= "facedir" then return end -- Compute param2 local rotationPart = node.param2 % 32 -- get first 4 bits local preservePart = node.param2 - rotationPart local axisdir = math.floor(rotationPart / 4) local rotation = rotationPart - axisdir * 4 if mode == screwdriver.ROTATE_FACE then rotationPart = axisdir * 4 + nextrange(rotation, 3) elseif mode == screwdriver.ROTATE_AXIS then rotationPart = nextrange(axisdir, 5) * 4 end local new_param2 = preservePart + rotationPart local should_rotate = true -- Node provides a handler, so let the handler decide instead if the node can be rotated if ndef and ndef.on_rotate then -- Copy pos and node because callback can modify it local result = ndef.on_rotate(vector.new(pos), {name = node.name, param1 = node.param1, param2 = node.param2}, user, mode, new_param2) if result == false then -- Disallow rotation return elseif result == true then should_rotate = false end else if not ndef or not ndef.paramtype2 == "facedir" or ndef.on_rotate == false or (ndef.drawtype == "nodebox" and not ndef.node_box.type == "fixed") or node.param2 == nil then return end if ndef.can_dig and not ndef.can_dig(pos, user) then return end end if should_rotate then node.param2 = new_param2 minetest.swap_node(pos, node) end if not minetest.setting_getbool("creative_mode") then itemstack:add_wear(65535 / ((uses or 200) - 1)) end return itemstack end -- Screwdriver minetest.register_tool("screwdriver:screwdriver", { description = "Screwdriver (left-click rotates face, right-click rotates axis)", inventory_image = "screwdriver.png", on_use = function(itemstack, user, pointed_thing) screwdriver.handler(itemstack, user, pointed_thing, screwdriver.ROTATE_FACE, 200) return itemstack end, on_place = function(itemstack, user, pointed_thing) screwdriver.handler(itemstack, user, pointed_thing, screwdriver.ROTATE_AXIS, 200) return itemstack end, }) minetest.register_craft({ output = "screwdriver:screwdriver", recipe = { {"default:steel_ingot"}, {"group:stick"} } }) minetest.register_alias("screwdriver:screwdriver1", "screwdriver:screwdriver") minetest.register_alias("screwdriver:screwdriver2", "screwdriver:screwdriver") minetest.register_alias("screwdriver:screwdriver3", "screwdriver:screwdriver") minetest.register_alias("screwdriver:screwdriver4", "screwdriver:screwdriver")