61 lines
1.5 KiB
Lua
61 lines
1.5 KiB
Lua
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local item_water, item_dirt, item_grass
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item_water = "mcl_core:water_source"
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item_dirt = "mcl_core:dirt"
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item_grass = "mcl_core:dirt_with_grass"
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local function make_bamboo(pos, size)
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for y = 0, size - 1 do
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local p = {x = pos.x, y = pos.y + y, z = pos.z}
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if minetest.get_node(p).name ~= "air" then
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return
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end
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minetest.set_node(p, {name = "mcl_bamboo:bamboo"})
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end
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end
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minetest.register_on_generated(function(minp, maxp, seed)
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if maxp.y < 2 and minp.y > 0 then
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return
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end
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local c_grass = minetest.get_content_id(item_grass)
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local n_bamboo = minetest.get_perlin(8234, 3, 0.6, 100)
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local vm = minetest.get_voxel_manip()
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local emin, emax = vm:read_from_map(minp, maxp)
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local area = VoxelArea:new {MinEdge = emin, MaxEdge = emax}
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local data = vm:get_data()
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local rand = PseudoRandom(seed % 8000)
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for z = minp.z + 2, maxp.z - 2, 4 do
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for x = minp.x + 2, maxp.x - 2, 4 do
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local bamboo_amount = math.floor(n_bamboo:get_2d({x = x, y = z}) * 7 - 3)
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for i = 1, bamboo_amount do
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local p_pos = {
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x = rand:next(x - 2, x + 2),
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y = 0,
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z = rand:next(z - 2, z + 2)
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}
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local found = false
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local node = -1
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for y = 4, 0, -1 do
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p_pos.y = y
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node = data[area:index(p_pos.x, p_pos.y, p_pos.z)]
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if node == c_grass then
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found = true
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break
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end
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end
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if found and
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minetest.find_node_near(p_pos, 5, {"group:water", item_water}) then
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p_pos.y = p_pos.y + 1
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make_bamboo(p_pos, rand:next(4, 12))
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end
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end
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end
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end
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end
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)
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