ropes/shear.lua

local USES = 200

minetest.register_tool("vines:shears", {
  description = "Shears",
  _doc_items_longdesc = vines.doc.shears_longdesc,
  _doc_items_usagehelp = vines.doc.shears_usage,
  inventory_image = "vines_shears.png",
  wield_image = "vines_shears.png",
  stack_max = 1,
  max_drop_level=3,
  tool_capabilities = {
    full_punch_interval = 1.0,
    max_drop_level=0,
    groupcaps={
      snappy={times={[3]=0.2}, uses=60, maxlevel=3},
      wool={times={[3]=0.2}, uses=60, maxlevel=3}
    }
  },
  
  on_use = function(itemstack, user, pointed_thing)
	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)
	if node.name == "vines:rope" then
		itemstack:add_wear(65535 / (USES - 1))
		minetest.add_node(pos, {name="vines:rope_bottom"})
		local p = {x=pos.x, y=pos.y-1, z=pos.z}
		local n = minetest.get_node(p)
		if  (n.name == 'vines:rope' or n.name == 'vines:rope_bottom') then
			minetest.add_node(p, {name="vines:rope_top"})
		end
	end
	if node.name == "vines:ropeladder" then
		itemstack:add_wear(65535 / (USES - 1))
		minetest.add_node(pos, {name="vines:ropeladder_bottom", param2=node.param2})
		local p = {x=pos.x, y=pos.y-1, z=pos.z}
		local n = minetest.get_node(p)
		if  (n.name == 'vines:ropeladder' or n.name == 'vines:ropeladder_bottom') then
			minetest.add_node(p, {name="vines:ropeladder_falling", param2=n.param2})
		end
	end
  end
  
})

minetest.register_craft({
  output = 'vines:shears',
  recipe = {
		{'', 'default:steel_ingot', ''},
		{'default:stick', 'default:wood', 'default:steel_ingot'},
		{'', 'default:stick', ''}
	}
})