ropes/init.lua

--[[TODO
  ropebox rope break results in bottom rope dissapearing and bottom drop rope node to appear at the new bottom
  and rope does not drop anything!
  All vine types should rot which makes them not climbable and drop no vine nodes
]]

local mod_name = "vines"
local average_height = 12
local spawn_interval = 90
-- Nodes
minetest.register_node("vines:rope_block", {
  description = "Rope",
  sunlight_propagates = true,
  paramtype = "light",
  tile_images = {
    "default_wood.png^vines_rope.png",
    "default_wood.png^vines_rope.png",
    "default_wood.png",
    "default_wood.png",
    "default_wood.png^vines_rope.png",
    "default_wood.png^vines_rope.png",
  },
  drawtype = "cube",
  groups = {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_end"})
    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)
    while n.name == 'vines:rope' do
      minetest.remove_node(p)
      p = {x=p.x, y=p.y-1, z=p.z}
      n = minetest.get_node(p)
    end
    if n.name == 'vines:rope_end' then
      minetest.remove_node(p)
    end
  end
})

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_end", {
  description = "Rope",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  drop = "",
  tile_images = { "vines_rope_end.png" },
  drawtype = "plantlike",
  groups = {flammable=2, not_in_creative_inventory=1},
  sounds =  default.node_sound_leaves_defaults(),
  after_place_node = function(pos)
    yesh  = {x = pos.x, y= pos.y-1, z=pos.z}
    minetest.add_node(yesh, {name="vines:rope")
  end,
  selection_box = {
	  type = "fixed",
	  fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
  },
})

minetest.register_node("vines:side", {
  description = "Vine",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  paramtype2 = "wallmounted",
  tile_images = { "vines_side.png" },
  drawtype = "signlike",
  inventory_image = "vines_side.png",
  groups = { snappy = 3,flammable=2, hanging_node=1, wood=1},
  sounds = default.node_sound_leaves_defaults(),
  selection_box = {
    type = "wallmounted",
  },
  on_construct = function(pos, placer)
    local p = {x=pos.x, y=pos.y, z=pos.z}
    local n = minetest.get_node(p)
    local walldir = n.param2
    local down=-1
    
    while math.random(0,average_height) > 1.0 do
      local pt = {x = p.x, y= p.y+down, z=p.z}
      local nt = minetest.get_node(pt)
      if nt.name == "air" then
        minetest.add_node(pt, {name=n.name, param2 = walldir})
        down=down-1
      else
        return
      end
    end
  end,
})

minetest.register_node("vines:willow", {
  description = "Vine",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  paramtype2 = "wallmounted",
  tile_images = { "vines_willow.png" },
  drawtype = "signlike",
  inventory_image = "vines_willow.png",
  groups = { snappy = 3,flammable=2, hanging_node=1, wood=1},
  sounds = default.node_sound_leaves_defaults(),
  selection_box = {
    type = "wallmounted",
  },
  on_construct = function(pos, placer)
    local p = {x=pos.x, y=pos.y, z=pos.z}
    local n = minetest.get_node(p)
    local walldir = n.param2
    local down=-1
    
    while math.random(0,average_height) > 1.0 do
      local pt = {x = p.x, y= p.y+down, z=p.z}
      local nt = minetest.get_node(pt)
      if nt.name == "air" then
        minetest.add_node(pt, {name=n.name, param2 = walldir})
        down=down-1
      else
        return
      end
    end
  end,
})

minetest.register_node("vines:root", {
  description = "Vine",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  tile_images = { "vines_root.png" },
  drawtype = "plantlike",
  inventory_image = "vines_root.png",
  groups = { snappy = 3,flammable=2, hanging_node=1, wood=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:vine", {
  description = "Vine",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  tile_images = { "vines_vine.png" },
  drawtype = "plantlike",
  inventory_image = "vines_vine.png",
  groups = { snappy = 3,flammable=2, hanging_node=1, wood=1},
  sounds = default.node_sound_leaves_defaults(),
  selection_box = {
    type = "fixed",
    fixed = {-0.3, -1/2, -0.3, 0.3, 1/2, 0.3},
  },
  on_construct = function(pos, placer)
    local p = {x=pos.x, y=pos.y, z=pos.z}
    local n = minetest.get_node(p)
    local walldir = n.param2
    local down=-1
    
    while math.random(0,average_height) > 1.0 do
      local pt = {x = p.x, y= p.y+down, z=p.z}
      local nt = minetest.get_node(pt)
      if nt.name == "air" then
        minetest.add_node(pt, {name=n.name, param2 = walldir})
        down=down-1
      else
        return
      end
    end
  end,
})

minetest.register_node("vines:vine_rotten", {
  description = "Rotten vine",
  walkable = false,
  climbable = true,
  sunlight_propagates = true,
  paramtype = "light",
  tile_images = { "vines_vine_rotten.png" },
  drawtype = "plantlike",
  inventory_image = "vines_vine_rotten.png",
  groups = { snappy = 3,flammable=2, hanging_node=1, wood=1},
  sounds = default.node_sound_leaves_defaults(),
  selection_box = {
    type = "fixed",
    fixed = {-0.3, -1/2, -0.3, 0.3, 1/2, 0.3},
  },
})

--ABM
minetest.register_abm({
  nodenames = {"vines:vine", "vines:root"},
  interval = 700,
  chance = 8,
  action = function(pos, node, active_object_count, active_object_count_wider)
    local p = {x=pos.x, y=pos.y-1, z=pos.z}
    local n = minetest.get_node(p)
    if n.name == "air" then
      walldir = node.param2
      minetest.add_node(p, {name=node.name, param2 = walldir})
    end
  end
})

minetest.register_abm({
  nodenames = {"vines:rope_end"},
  interval = 1,
  chance = 1,
  action = function(pos, node, active_object_count, active_object_count_wider)
    local p = {x=pos.x, y=pos.y-1, z=pos.z}
    local n = minetest.get_node(p)
    --remove if top node is removed
    if  n.name == "air" then
      minetest.set_node(pos, {name="vines:rope"})
      minetest.add_node(p, {name="vines:rope_end"})
    end 
  end
})
--Craft
minetest.register_craft({
  output = 'vines:rope_block',
  recipe = {
    {'', 'default:wood', ''},
    {'', 'vines:side', ''},
    {'', 'vines:side', ''},
  }
})

minetest.register_craftitem("vines:vines", {
  description = "Vines",
  inventory_image = "vines_item.png",
})
--spawning
plantslib:spawn_on_surfaces({
  avoid_nodes = {"vines:vine"},
  avoid_radius = 5,
  spawn_delay = spawn_interval,
  spawn_plants = {"vines:vine"},
  spawn_chance = 10,
  spawn_surfaces = {"default:dirt_with_grass","default:dirt"},
  spawn_on_bottom = true,
  plantlife_limit = -0.9,
})

plantslib:spawn_on_surfaces({
  avoid_nodes = {"vines:vine", "vines:side"},
  avoid_radius = 3,
  spawn_delay = spawn_interval,
  spawn_plants = {"vines:side"},
  spawn_chance = 10,
  spawn_surfaces = {"group:leafdecay"},
  spawn_on_side = true,
  near_nodes = {"default:water_source", "default:jungletree"},
  near_nodes_size = 10,
  near_nodes_vertical = 5,
  near_nodes_count = 1,
  plantlife_limit = -0.9,
})

plantslib:spawn_on_surfaces({
  spawn_plants = {"vines:willow"},
  spawn_delay = spawn_interval,
  spawn_chance = 3,
  spawn_surfaces = {"moretrees:willow_leaves"},
  spawn_on_side = true,
  near_nodes = {"default:water_source"},
  near_nodes_size = 2,
  near_nodes_vertical = 5,
  near_nodes_count = 1,
  plantlife_limit = -0.9,
})

print("[Vines] Loaded!")