mods/main/saplings.lua

   1 --saplings
   2 minetest.register_node("main:sapling", {
   3         description = "Sapling",
   4         drawtype = "plantlike",
   5         waving = 1,
   6         walkable = false,
   7         climbable = false,
   8         paramtype = "light",
   9         is_ground_content = false,
  10         tiles = {"sapling.png"},
  11         groups = {leaves = 1, plant = 1, axe = 1, hand = 0,instant=1, sapling=1, attached_node=1},
  12         sounds = main.grassSound(),
  13         drop = "main:sapling",
  14         node_placement_prediction = "",
  15         selection_box = {
  16                 type = "fixed",
  17                 fixed = {-4 / 16, -0.5, -4 / 16, 4 / 16, 7 / 16, 4 / 16}
  18         },
  19         on_place =  on_rightclick or function(itemstack, placer, pointed_thing)
  20                 if not pointed_thing.type == "node" then
  21                         return
  22                 end
  23                 local buildable = minetest.registered_nodes[minetest.get_node(pointed_thing.under).name].buildable_to
  24                 --replace buildable
  25                 if buildable and minetest.get_node_group(minetest.get_node(vector.new(pointed_thing.under.x,pointed_thing.under.y-1,pointed_thing.under.z)).name, "soil") > 0 then
  26                         return(minetest.item_place(itemstack, placer, pointed_thing))
  27                 end
  28                 local buildable = minetest.registered_nodes[minetest.get_node(pointed_thing.above).name].buildable_to
  29                 if buildable and minetest.get_node_group(minetest.get_node(vector.new(pointed_thing.above.x,pointed_thing.above.y-1,pointed_thing.above.z)).name, "soil") > 0 then
  30                         return(minetest.item_place(itemstack, placer, pointed_thing))
  31                 end
  32                 --place sapling
  33                 local pos = pointed_thing.above
  34                 if minetest.get_node_group(minetest.get_node(vector.new(pos.x,pos.y-1,pos.z)).name, "soil") > 0 and minetest.get_node(pointed_thing.above).name == "air" then
  35                         minetest.set_node(pointed_thing.above, {name="main:sapling"})
  36                         minetest.sound_play("leaves",{pos=pointed_thing.above})
  37                         itemstack:take_item(1)
  38                         return(itemstack)
  39                 end
  40         end,
  41 })
  42
  43 --make sapling grow
  44 local function sapling_grow(pos)
  45         if minetest.get_node_light(pos, nil) < 10 then
  46                 --print("failed to grow at "..dump(pos))
  47                 return
  48         end
  49         --print("growing at "..dump(pos))
  50         if minetest.get_node_group(minetest.get_node(vector.new(pos.x,pos.y-1,pos.z)).name, "soil") > 0 then
  51                 local good_to_grow = true
  52                 --check if room to grow (leaves or air)
  53                 for i = 1,4 do
  54                         local node_name = minetest.get_node(vector.new(pos.x,pos.y+i,pos.z)).name
  55                         if node_name ~= "air" and node_name ~= "main:leaves" then
  56                                 good_to_grow = false
  57                         end
  58                 end
  59                 if good_to_grow == true then
  60                         minetest.set_node(pos,{name="main:tree"})
  61                         minetest.place_schematic(pos, treeSchematic,"0",nil,false,"place_center_x, place_center_z")
  62                         --override leaves
  63                         for i = 1,4 do
  64                                 minetest.set_node(vector.new(pos.x,pos.y+i,pos.z),{name="main:tree"})
  65                         end
  66                 end
  67         end
  68 end
  69
  70 --growing abm for sapling
  71 minetest.register_abm({
  72         label = "Tree Grow",
  73         nodenames = {"group:sapling"},
  74         neighbors = {"group:soil"},
  75         interval = 3,
  76         chance = 2000,
  77         action = function(pos)
  78                 sapling_grow(pos)
  79         end,
  80 })