nalc_game/mods/screwdriver/init.lua

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local function nextrange(x, max)
x = x + 1
if x > max then
x = 0
end
return x
end
local ROTATE_FACE = 1
local ROTATE_AXIS = 2
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local USES = 200
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-- Handles rotation
local function screwdriver_handler(itemstack, user, pointed_thing, mode)
if pointed_thing.type ~= "node" then
return
end
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local pos = pointed_thing.under
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if minetest.is_protected(pos, user:get_player_name()) then
minetest.record_protection_violation(pos, user:get_player_name())
return
end
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local node = minetest.get_node(pos)
local ndef = minetest.registered_nodes[node.name]
if not ndef or not ndef.paramtype2 == "facedir" or
(ndef.drawtype == "nodebox" and
not ndef.node_box.type == "fixed") or
node.param2 == nil then
return
end
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if ndef.can_dig and not ndef.can_dig(pos, user) then
return
end
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-- Set 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 == ROTATE_FACE then
rotationPart = axisdir * 4 + nextrange(rotation, 3)
elseif mode == ROTATE_AXIS then
rotationPart = nextrange(axisdir, 5) * 4
end
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node.param2 = preservePart + rotationPart
minetest.swap_node(pos, node)
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if not minetest.setting_getbool("creative_mode") then
itemstack:add_wear(65535 / (USES - 1))
end
return itemstack
end
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-- Screwdriver
minetest.register_tool("screwdriver:screwdriver", {
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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, ROTATE_FACE)
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return itemstack
end,
on_place = function(itemstack, user, pointed_thing)
screwdriver_handler(itemstack, user, pointed_thing, ROTATE_AXIS)
return itemstack
end,
})
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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")