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MineClone2/mods/ITEMS/mcl_amethyst/grow.lua

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local S = minetest.get_translator(minetest.get_current_modname())
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local interval = 10
local chance = 5
local function grow(pos, node)
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local def = minetest.registered_nodes[node.name]
local next_gen = def._mcl_amethyst_next_grade
if not next_gen then return end
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local dir = minetest.wallmounted_to_dir(node.param2)
local ba_pos = vector.add(pos, dir)
local ba_node = minetest.get_node(ba_pos)
if ba_node.name ~= "mcl_amethyst:budding_amethyst_block" then return end
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local swap_result = table.copy(node)
swap_result.name = next_gen
minetest.swap_node(pos, swap_result)
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end
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minetest.register_abm({
label = "Amethyst Bud Growth",
nodenames = {"group:amethyst_buds"},
neighbors = {"mcl_amethyst:budding_amethyst_block"},
interval = interval,
chance = chance,
action = grow,
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})
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local all_directions = {
vector.new(1,0,0),
vector.new(0,1,0),
vector.new(0,0,1),
vector.new(-1,0,0),
vector.new(0,-1,0),
vector.new(0,0,-1),
}
minetest.register_abm({
label = "Spawn Amethyst Bud",
nodenames = {"mcl_amethyst:budding_amethyst_block"},
neighbors = {"air", "group:water"},
interval = 20,
chance = 2,
action = function(pos)
local check_pos = vector.add(all_directions[math.random(1, #all_directions)], pos)
local check_node = minetest.get_node(check_pos)
local check_node_name = check_node.name
if check_node_name ~= "air" and minetest.get_item_group(check_node_name, "water") == 0 then return end
local param2 = minetest.dir_to_wallmounted(vector.subtract(pos, check_pos))
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local new_node = {name = "mcl_amethyst:small_amethyst_bud", param2 = param2}
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minetest.swap_node(check_pos, new_node)
end,
})