infinitrees

init.lua

local adjacents = {
	{ x =-1, y = 0, z = 0 },
	{ x = 1, y = 0, z = 0 },
	{ x = 0, y = 0, z =-1 },
	{ x = 0, y = 0, z = 1 },
}
local infinitree_node="mcl_core:acaciatree"
local leaves_node="mcl_core:acacialeaves"
minetest.register_abm({
	label = "infinitrees",
	nodenames ={infinitree_node},
	interval = 1,
	chance = 1,
	catch_up = true,
	action = function(pos)
		local above=vector.add(pos,vector.new(0,1,0))
		local above_node=minetest.get_node(above)
		if above_node.name ~= "air" and above_node.name ~= leaves_node then return end
		local node=minetest.get_node(pos)
		local op2=node.param2
		
		if math.random(10) == 1 then
			if op2 > 10 then
				minetest.set_node(above,{name=infinitree_node})
			else 
				minetest.set_node(vector.add(pos,adjacents[math.random(#adjacents)]),{name=infinitree_node,param2=op2+1})
			end
		elseif op2 == 0 then
			minetest.set_node(above,{name=infinitree_node})
		end
		
		if math.random(4) > 1 then
			for k,v in pairs(adjacents) do
				local l=minetest.get_node(vector.add(pos,v))
				if l.name == "air" then
					minetest.set_node(above,{name=leaves_node})
				end
			end
		end
	end
})