Fix https://git.minetest.land/Wuzzy/MineClone2/issues/1028 - Make tree saplings grow in inactive areas (approx. time calc.)
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kay27
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1 changed files with 152 additions and 91 deletions
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@ -899,99 +899,118 @@ local treelight = 9
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local sapling_grow_action = function(tree_id, soil_needed, one_by_one, two_by_two, sapling)
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return function(pos)
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local meta = minetest.get_meta(pos)
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if meta:get("grown") then return end
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-- Checks if the sapling at pos has enough light and the correct soil
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local sapling_is_growable = function(pos)
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local light = minetest.get_node_light(pos)
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local soilnode = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
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local soiltype = minetest.get_item_group(soilnode.name, "soil_sapling")
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return soiltype >= soil_needed and light and light >= treelight and not minetest.get_meta(pos):get("grown")
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local light = minetest.get_node_light(pos)
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if not light then return end
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local low_light = (light < treelight)
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local delta = 1
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local current_game_time = minetest.get_day_count() + minetest.get_timeofday()
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local last_game_time = tonumber(meta:get_string("last_gametime"))
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meta:set_string("last_gametime", tostring(current_game_time))
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if last_game_time then
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delta = current_game_time - last_game_time
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elseif low_light then
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return
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end
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if sapling_is_growable(pos) then
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-- Increase and check growth stage
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local meta = minetest.get_meta(pos)
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local stage = meta:get_int("stage")
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if stage == nil then stage = 0 end
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stage = stage + 1
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if stage >= 3 then
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meta:set_string("grown", "true")
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-- This sapling grows in a special way when there are 4 saplings in a 2×2 pattern
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if two_by_two then
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-- Check 8 surrounding saplings and try to find a 2×2 pattern
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local is_sapling = function(pos, sapling)
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return minetest.get_node(pos).name == sapling
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end
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local p2 = {x=pos.x+1, y=pos.y, z=pos.z}
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local p3 = {x=pos.x, y=pos.y, z=pos.z-1}
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local p4 = {x=pos.x+1, y=pos.y, z=pos.z-1}
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local p5 = {x=pos.x-1, y=pos.y, z=pos.z-1}
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local p6 = {x=pos.x-1, y=pos.y, z=pos.z}
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local p7 = {x=pos.x-1, y=pos.y, z=pos.z+1}
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local p8 = {x=pos.x, y=pos.y, z=pos.z+1}
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local p9 = {x=pos.x+1, y=pos.y, z=pos.z+1}
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local s2 = is_sapling(p2, sapling)
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local s3 = is_sapling(p3, sapling)
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local s4 = is_sapling(p4, sapling)
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local s5 = is_sapling(p5, sapling)
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local s6 = is_sapling(p6, sapling)
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local s7 = is_sapling(p7, sapling)
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local s8 = is_sapling(p8, sapling)
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local s9 = is_sapling(p9, sapling)
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-- In a 9×9 field there are 4 possible 2×2 squares. We check them all.
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if s2 and s3 and s4 and check_tree_growth(pos, tree_id, { two_by_two = true }) then
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-- Success: Remove saplings and place tree
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minetest.remove_node(pos)
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minetest.remove_node(p2)
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minetest.remove_node(p3)
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minetest.remove_node(p4)
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mcl_core.generate_tree(pos, tree_id, { two_by_two = true })
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return
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elseif s3 and s5 and s6 and check_tree_growth(p6, tree_id, { two_by_two = true }) then
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minetest.remove_node(pos)
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minetest.remove_node(p3)
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minetest.remove_node(p5)
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minetest.remove_node(p6)
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mcl_core.generate_tree(p6, tree_id, { two_by_two = true })
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return
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elseif s6 and s7 and s8 and check_tree_growth(p7, tree_id, { two_by_two = true }) then
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minetest.remove_node(pos)
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minetest.remove_node(p6)
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minetest.remove_node(p7)
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minetest.remove_node(p8)
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mcl_core.generate_tree(p7, tree_id, { two_by_two = true })
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return
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elseif s2 and s8 and s9 and check_tree_growth(p8, tree_id, { two_by_two = true }) then
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minetest.remove_node(pos)
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minetest.remove_node(p2)
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minetest.remove_node(p8)
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minetest.remove_node(p9)
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mcl_core.generate_tree(p8, tree_id, { two_by_two = true })
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return
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end
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end
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if one_by_one and tree_id == OAK_TREE_ID then
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-- There is a chance that this tree wants to grow as a balloon oak
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if math.random(1, 12) == 1 then
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-- Check if there is room for that
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if check_tree_growth(pos, tree_id, { balloon = true }) then
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minetest.set_node(pos, {name="air"})
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mcl_core.generate_tree(pos, tree_id, { balloon = true })
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return
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end
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end
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end
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if low_light then
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if delta < 1.2 then return end
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if minetest.get_node_light(pos, 0.5) < treelight then return end
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end
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-- If this sapling can grow alone
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if one_by_one and check_tree_growth(pos, tree_id) then
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-- Single sapling
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minetest.set_node(pos, {name="air"})
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local r = math.random(1, 12)
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mcl_core.generate_tree(pos, tree_id)
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-- TODO: delta is [days] missed in inactive area. Currently we just add it to stage, which is far from a perfect calculation...
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local soilnode = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
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local soiltype = minetest.get_item_group(soilnode.name, "soil_sapling")
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if soiltype < soil_needed then return end
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-- Increase and check growth stage
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local meta = minetest.get_meta(pos)
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local stage = meta:get_int("stage")
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if stage == nil then stage = 0 end
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stage = stage + math.max(1, math.floor(delta))
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if stage >= 3 then
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meta:set_string("grown", "true")
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-- This sapling grows in a special way when there are 4 saplings in a 2×2 pattern
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if two_by_two then
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-- Check 8 surrounding saplings and try to find a 2×2 pattern
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local is_sapling = function(pos, sapling)
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return minetest.get_node(pos).name == sapling
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end
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local p2 = {x=pos.x+1, y=pos.y, z=pos.z}
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local p3 = {x=pos.x, y=pos.y, z=pos.z-1}
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local p4 = {x=pos.x+1, y=pos.y, z=pos.z-1}
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local p5 = {x=pos.x-1, y=pos.y, z=pos.z-1}
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local p6 = {x=pos.x-1, y=pos.y, z=pos.z}
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local p7 = {x=pos.x-1, y=pos.y, z=pos.z+1}
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local p8 = {x=pos.x, y=pos.y, z=pos.z+1}
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local p9 = {x=pos.x+1, y=pos.y, z=pos.z+1}
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local s2 = is_sapling(p2, sapling)
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local s3 = is_sapling(p3, sapling)
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local s4 = is_sapling(p4, sapling)
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local s5 = is_sapling(p5, sapling)
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local s6 = is_sapling(p6, sapling)
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local s7 = is_sapling(p7, sapling)
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local s8 = is_sapling(p8, sapling)
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local s9 = is_sapling(p9, sapling)
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-- In a 9×9 field there are 4 possible 2×2 squares. We check them all.
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if s2 and s3 and s4 and check_tree_growth(pos, tree_id, { two_by_two = true }) then
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-- Success: Remove saplings and place tree
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minetest.remove_node(pos)
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minetest.remove_node(p2)
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minetest.remove_node(p3)
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minetest.remove_node(p4)
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mcl_core.generate_tree(pos, tree_id, { two_by_two = true })
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return
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elseif s3 and s5 and s6 and check_tree_growth(p6, tree_id, { two_by_two = true }) then
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minetest.remove_node(pos)
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minetest.remove_node(p3)
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minetest.remove_node(p5)
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minetest.remove_node(p6)
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mcl_core.generate_tree(p6, tree_id, { two_by_two = true })
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return
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elseif s6 and s7 and s8 and check_tree_growth(p7, tree_id, { two_by_two = true }) then
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minetest.remove_node(pos)
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minetest.remove_node(p6)
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minetest.remove_node(p7)
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minetest.remove_node(p8)
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mcl_core.generate_tree(p7, tree_id, { two_by_two = true })
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return
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elseif s2 and s8 and s9 and check_tree_growth(p8, tree_id, { two_by_two = true }) then
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minetest.remove_node(pos)
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minetest.remove_node(p2)
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minetest.remove_node(p8)
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minetest.remove_node(p9)
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mcl_core.generate_tree(p8, tree_id, { two_by_two = true })
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return
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end
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else
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meta:set_int("stage", stage)
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end
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if one_by_one and tree_id == OAK_TREE_ID then
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-- There is a chance that this tree wants to grow as a balloon oak
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if math.random(1, 12) == 1 then
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-- Check if there is room for that
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if check_tree_growth(pos, tree_id, { balloon = true }) then
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minetest.set_node(pos, {name="air"})
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mcl_core.generate_tree(pos, tree_id, { balloon = true })
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return
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end
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end
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end
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-- If this sapling can grow alone
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if one_by_one and check_tree_growth(pos, tree_id) then
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-- Single sapling
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minetest.set_node(pos, {name="air"})
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local r = math.random(1, 12)
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mcl_core.generate_tree(pos, tree_id)
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return
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end
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else
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meta:set_int("stage", stage)
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end
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end
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end
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@ -1040,7 +1059,14 @@ minetest.register_abm({
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neighbors = {"group:soil_sapling"},
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interval = 25,
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chance = 2,
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action = grow_oak,
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action = grow_oak
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})
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minetest.register_lbm({
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label = "Add growth for unloaded oak tree",
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name = "mcl_core:lbm_oak",
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nodenames = {"mcl_core:sapling"},
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run_at_every_load = true,
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action = grow_oak
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})
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-- Dark oak tree
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@ -1050,7 +1076,14 @@ minetest.register_abm({
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neighbors = {"group:soil_sapling"},
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interval = 25,
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chance = 2,
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action = grow_dark_oak,
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action = grow_dark_oak
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})
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minetest.register_lbm({
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label = "Add growth for unloaded dark oak tree",
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name = "mcl_core:lbm_dark_oak",
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nodenames = {"mcl_core:darksapling"},
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run_at_every_load = true,
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action = grow_dark_oak
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})
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-- Jungle Tree
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@ -1060,7 +1093,14 @@ minetest.register_abm({
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neighbors = {"group:soil_sapling"},
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interval = 25,
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chance = 2,
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action = grow_jungle_tree,
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action = grow_jungle_tree
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})
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minetest.register_lbm({
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label = "Add growth for unloaded jungle tree",
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name = "mcl_core:lbm_jungle_tree",
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nodenames = {"mcl_core:junglesapling"},
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run_at_every_load = true,
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action = grow_jungle_tree
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})
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-- Spruce tree
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@ -1072,6 +1112,13 @@ minetest.register_abm({
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chance = 2,
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action = grow_spruce
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})
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minetest.register_lbm({
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label = "Add growth for unloaded spruce tree",
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name = "mcl_core:lbm_spruce",
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nodenames = {"mcl_core:sprucesapling"},
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run_at_every_load = true,
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action = grow_spruce
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})
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-- Birch tree
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minetest.register_abm({
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@ -1080,7 +1127,14 @@ minetest.register_abm({
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neighbors = {"group:soil_sapling"},
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interval = 25,
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chance = 2,
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action = grow_birch,
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action = grow_birch
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})
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minetest.register_lbm({
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label = "Add growth for unloaded birch tree",
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name = "mcl_core:lbm_birch",
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nodenames = {"mcl_core:birchsapling"},
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run_at_every_load = true,
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action = grow_spruce
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})
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-- Acacia tree
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@ -1090,7 +1144,14 @@ minetest.register_abm({
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neighbors = {"group:soil_sapling"},
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interval = 20,
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chance = 2,
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action = grow_acacia,
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action = grow_acacia
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})
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minetest.register_lbm({
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label = "Add growth for unloaded acacia tree",
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name = "mcl_core:lbm_acacia",
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nodenames = {"mcl_core:acaciasapling"},
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run_at_every_load = true,
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action = grow_spruce
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})
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local function leafdecay_particles(pos, node)
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