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