ropes/ropeboxes.lua

local ropeLength = 100

local function register_rope_block(multiple, pixels)
	minetest.register_node(string.format("vines:%irope_block", multiple), {
	description = string.format("Rope %im", ropeLength*multiple),
	drawtype="nodebox",
	sunlight_propagates = true,
	paramtype = "light",
	paramtype2 = "wallmounted",
	tiles = {
		string.format("default_wood.png^vines_%irope.png", multiple),
		string.format("default_wood.png^vines_%irope.png", multiple),
		"default_wood.png^vines_side.png",
		"default_wood.png^vines_side.png",
		string.format("default_wood.png^vines_%irope_frontback.png", multiple),
		string.format("default_wood.png^vines_%irope_frontback.png", multiple),
	},
	node_box = {
		type = "fixed",
		fixed = {
			{-0.375, -0.1875, -0.3125, 0.375, 0.375, 0.3125}, -- Spool
			{-0.5, -0.5, -0.1875, -0.375, 0.25, 0.1875}, -- Support_arm
			{0.375, -0.5, -0.1875, 0.5, 0.25, 0.1875}, -- Support_arm
			{-0.375, -0.5, -0.1875, 0.375, -0.375, 0.1875}, -- Base
			{-0.0625*(pixels/2), -0.1875, -0.5, 0.0625*(pixels/2), 0.375, 0.5}, -- Longitudinal_rope
			{-0.0625*(pixels/2), -0.3125, -0.375, 0.0625*(pixels/2), 0.5, 0.375}, -- Vertical_rope
		},
	},
	selection_box = {type="regular"},
	collision_box = {type="regular"},
	groups = { flammable=2, choppy=2, oddly_breakable_by_hand=1 },
	
	after_place_node = function(pos)
		local p = {x=pos.x, y=pos.y-1, z=pos.z}
		local n = minetest.get_node(p)
		if n.name == "air" then
		minetest.add_node(p, {name="vines:rope_bottom"})
		local meta = minetest.get_meta(p)
		meta:set_int("length_remaining", ropeLength*multiple)
		end
	end,
	after_dig_node = function(pos, node, digger)
		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 (multiple == 1) then
		minetest.register_craft({
			output = "vines:1rope_block",
			recipe =  {
				{'default:wood',},
				{'group:vines',},
				{'group:vines'}
			}
		})
	else
		local rec = {}
		for i=1,multiple,1 do
			rec[i] = "vines:1rope_block"
		end
		
		minetest.register_craft({
			output = string.format("vines:%irope_block", multiple),
			type = "shapeless",
			recipe = rec
		})
	
		minetest.register_craft({
			output = string.format("vines:1rope_block %i", multiple),
			recipe =  {
				{string.format('vines:%irope_block', multiple)}
			}
		})
	end
end

--creates rope blocks with length multiples 1-5.
--second parameter sets how many pixels wide the rope texture is
register_rope_block(1, 4)
register_rope_block(2, 8)
register_rope_block(3, 10)
register_rope_block(4, 10)
register_rope_block(5, 12)

minetest.register_node("vines:rope", {
  description = "Rope",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  drop = "",
  tile_images = { "vines_rope.png" },
  drawtype = "plantlike",
  groups = {flammable=2, not_in_creative_inventory=1},
  sounds =  default.node_sound_leaves_defaults(),
  selection_box = {
    type = "fixed",
    fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
  },
})

minetest.register_node("vines:rope_bottom", {
  description = "Rope",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  drop = "",
  tile_images = { "vines_rope_bottom.png" },
  drawtype = "plantlike",
  groups = {flammable=2, not_in_creative_inventory=1},
  sounds =  default.node_sound_leaves_defaults(),
  selection_box = {
	  type = "fixed",
	  fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
  },
  on_construct = function( pos )
    local timer = minetest.get_node_timer( pos )
    timer:start( 1 )
  end,
  on_timer = function( pos, elapsed )
	local currentend = minetest.get_node(pos)
	local currentmeta = minetest.get_meta(pos)
	local currentlength = currentmeta:get_int("length_remaining")
    local p = {x=pos.x, y=pos.y-1, z=pos.z}
    local n = minetest.get_node(p)
    if  n.name == "air" and (currentlength > 1) then
	  minetest.add_node(p, {name="vines:rope_bottom"})
	  local newmeta = minetest.get_meta(p)
	  newmeta:set_int("length_remaining", currentlength-1)
	  minetest.set_node(pos, {name="vines:rope"})
    else
      local timer = minetest.get_node_timer( pos )
      timer:start( 1 )
    end
  end
})

minetest.register_node("vines:rope_top", {
  description = "Rope",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  drop = "",
  tile_images = { "vines_rope_top.png" },
  drawtype = "plantlike",
  groups = {not_in_creative_inventory=1},
  sounds =  default.node_sound_leaves_defaults(),
  selection_box = {
	  type = "fixed",
	  fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
  },
  on_construct = function( pos )
    local timer = minetest.get_node_timer( pos )
    timer:start( 1 )
  end,
  on_timer = function( pos, elapsed )
    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
	if (n.name ~= "ignore") then
		minetest.set_node(pos, {name="air"})
	else
	    local timer = minetest.get_node_timer( pos )
		timer:start( 1 )
	end
  end
})