forked from minetest/minetest_game
Add sapling growth APIs (#3053)
--------- Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com> Co-authored-by: sfan5 <sfan5@live.de>
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Lorenzo
GitHub
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03177f1584
commit
59da46c80b
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@ -1,6 +1,10 @@
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unused_args = false
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allow_defined_top = true
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globals = {
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"default"
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}
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read_globals = {
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"DIR_DELIM",
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"minetest",
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21
game_api.txt
21
game_api.txt
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@ -1028,6 +1028,27 @@ Trees
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* `default.grow_blueberry_bush(pos)`
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* Grows a blueberry bush at pos
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* `default.on_grow_failed(pos)`
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* Reset the node timer to 300 seconds, used as default callback when the growth of a sapling fails
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* `default.sapling_growth_defs`
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* Table that contains all the definitions for the growable saplings, see `default.register_sapling_growth`
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* `default.register_sapling_growth(name, def)`
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* Register a new sapling growth configuration. Useful to add custom sapling and trees to the game in a compact way.
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default.register_sapling_growth(
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"default:sapling", -- Name of the sapling
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{
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can_grow = default.can_grow, -- Function called to determine whether the sapling can grow, should return a boolean
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on_grow_failed = default.on_grow_failed, -- Function called when the growth fails
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grow = function(pos) -- Function called when the growth has success. This should replace the sapling with a tree.
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}
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)
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* `default.grow_sapling(pos)`
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* Attempt to grow a sapling at the given position. Useful as on_timer callback.
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Carts
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-----
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@ -26,6 +26,10 @@ function default.can_grow(pos)
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return true
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end
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function default.on_grow_failed(pos)
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minetest.get_node_timer(pos):start(300)
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end
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-- 'is snow nearby' function
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@ -34,84 +38,6 @@ local function is_snow_nearby(pos)
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end
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-- Grow sapling
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function default.grow_sapling(pos)
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if not default.can_grow(pos) then
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-- try again 5 min later
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minetest.get_node_timer(pos):start(300)
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return
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end
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local mg_name = minetest.get_mapgen_setting("mg_name")
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local node = minetest.get_node(pos)
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if node.name == "default:sapling" then
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minetest.log("action", "A sapling grows into a tree at "..
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minetest.pos_to_string(pos))
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if mg_name == "v6" then
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default.grow_tree(pos, random(1, 4) == 1)
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else
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default.grow_new_apple_tree(pos)
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end
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elseif node.name == "default:junglesapling" then
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minetest.log("action", "A jungle sapling grows into a tree at "..
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minetest.pos_to_string(pos))
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if mg_name == "v6" then
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default.grow_jungle_tree(pos)
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else
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default.grow_new_jungle_tree(pos)
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end
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elseif node.name == "default:pine_sapling" then
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minetest.log("action", "A pine sapling grows into a tree at "..
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minetest.pos_to_string(pos))
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local snow = is_snow_nearby(pos)
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if mg_name == "v6" then
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default.grow_pine_tree(pos, snow)
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elseif snow then
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default.grow_new_snowy_pine_tree(pos)
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else
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default.grow_new_pine_tree(pos)
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end
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elseif node.name == "default:acacia_sapling" then
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minetest.log("action", "An acacia sapling grows into a tree at "..
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minetest.pos_to_string(pos))
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default.grow_new_acacia_tree(pos)
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elseif node.name == "default:aspen_sapling" then
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minetest.log("action", "An aspen sapling grows into a tree at "..
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minetest.pos_to_string(pos))
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default.grow_new_aspen_tree(pos)
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elseif node.name == "default:bush_sapling" then
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minetest.log("action", "A bush sapling grows into a bush at "..
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minetest.pos_to_string(pos))
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default.grow_bush(pos)
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elseif node.name == "default:blueberry_bush_sapling" then
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minetest.log("action", "A blueberry bush sapling grows into a bush at "..
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minetest.pos_to_string(pos))
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default.grow_blueberry_bush(pos)
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elseif node.name == "default:acacia_bush_sapling" then
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minetest.log("action", "An acacia bush sapling grows into a bush at "..
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minetest.pos_to_string(pos))
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default.grow_acacia_bush(pos)
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elseif node.name == "default:pine_bush_sapling" then
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minetest.log("action", "A pine bush sapling grows into a bush at "..
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minetest.pos_to_string(pos))
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default.grow_pine_bush(pos)
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elseif node.name == "default:emergent_jungle_sapling" then
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minetest.log("action", "An emergent jungle sapling grows into a tree at "..
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minetest.pos_to_string(pos))
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default.grow_new_emergent_jungle_tree(pos)
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end
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end
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minetest.register_lbm({
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name = "default:convert_saplings_to_node_timer",
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nodenames = {"default:sapling", "default:junglesapling",
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"default:pine_sapling", "default:acacia_sapling",
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"default:aspen_sapling"},
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action = function(pos)
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minetest.get_node_timer(pos):start(math.random(300, 1500))
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end
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})
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--
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-- Tree generation
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@ -209,7 +135,6 @@ function default.grow_tree(pos, is_apple_tree, bad)
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vm:update_map()
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end
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-- Jungle tree
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function default.grow_jungle_tree(pos, bad)
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@ -604,3 +529,78 @@ function default.sapling_on_place(itemstack, placer, pointed_thing,
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return itemstack
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end
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-- Grow sapling
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default.sapling_growth_defs = {}
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function default.register_sapling_growth(name, def)
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default.sapling_growth_defs[name] = {
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can_grow = def.can_grow or default.can_grow,
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on_grow_failed = def.on_grow_failed or default.on_grow_failed,
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grow = assert(def.grow)
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}
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end
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function default.grow_sapling(pos)
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local node = minetest.get_node(pos)
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local sapling_def = default.sapling_growth_defs[node.name]
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if not sapling_def then
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minetest.log("warning", "default.grow_sapling called on undefined sapling " .. node.name)
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return
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end
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if not sapling_def.can_grow(pos) then
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sapling_def.on_grow_failed(pos)
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return
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end
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minetest.log("action", "Growing sapling " .. node.name .. " at " .. minetest.pos_to_string(pos))
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sapling_def.grow(pos)
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end
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local function register_sapling_growth(nodename, grow)
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default.register_sapling_growth("default:" .. nodename, {grow = grow})
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end
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if minetest.get_mapgen_setting("mg_name") == "v6" then
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register_sapling_growth("sapling", function(pos)
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default.grow_tree(pos, random(1, 4) == 1)
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end)
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register_sapling_growth("junglesapling", default.grow_jungle_tree)
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register_sapling_growth("pine_sapling", function(pos)
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local snow = is_snow_nearby(pos)
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default.grow_pine_tree(pos, snow)
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end)
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else
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register_sapling_growth("sapling", default.grow_new_apple_tree)
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register_sapling_growth("junglesapling", default.grow_new_jungle_tree)
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register_sapling_growth("pine_sapling", function(pos)
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local snow = is_snow_nearby(pos)
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if snow then
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default.grow_new_snowy_pine_tree(pos)
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else
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default.grow_new_pine_tree(pos)
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end
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end)
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end
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register_sapling_growth("acacia_sapling", default.grow_new_acacia_tree)
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register_sapling_growth("aspen_sapling", default.grow_new_aspen_tree)
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register_sapling_growth("bush_sapling", default.grow_bush)
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register_sapling_growth("blueberry_bush_sapling", default.grow_blueberry_bush)
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register_sapling_growth("acacia_bush_sapling", default.grow_acacia_bush)
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register_sapling_growth("pine_bush_sapling", default.grow_pine_bush)
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register_sapling_growth("emergent_jungle_sapling", default.grow_new_emergent_jungle_tree)
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-- Backwards compatibility for saplings that used to use ABMs; does not need to include newer saplings.
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minetest.register_lbm({
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name = "default:convert_saplings_to_node_timer",
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nodenames = {"default:sapling", "default:junglesapling",
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"default:pine_sapling", "default:acacia_sapling",
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"default:aspen_sapling"},
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action = function(pos)
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minetest.get_node_timer(pos):start(math.random(300, 1500))
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end
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})
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