46 lines
1.2 KiB
Lua
46 lines
1.2 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local ipairs, math, minetest, nodecore
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= ipairs, math, minetest, nodecore
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local math_sqrt
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= math.sqrt
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-- LUALOCALS > ---------------------------------------------------------
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nodecore.register_leaf_drops, nodecore.registered_leaf_drops
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= nodecore.mkreg()
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function nodecore.leaf_decay(pos, node)
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node = node or minetest.get_node(pos)
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local t = {}
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for _, v in ipairs(nodecore.registered_leaf_drops) do
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t = v(pos, node, t) or t
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end
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local p = nodecore.pickrand(t, function(x) return x.prob end)
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if not p then return end
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minetest.set_node(pos, p)
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if p.item then nodecore.item_eject(pos, p.item) end
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return nodecore.fallcheck(pos)
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end
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function nodecore.tree_growth_rate(pos)
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local d = 1
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local w = 1
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nodecore.scan_flood(pos, 3, function(p, r)
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if r < 1 then return end
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local nn = minetest.get_node(p).name
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local def = minetest.registered_items[nn] or {}
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if not def.groups then
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return false
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end
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if def.groups.soil then
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d = d + def.groups.soil
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w = w + 0.2
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elseif def.groups.moist then
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w = w + def.groups.moist
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return false
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else
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return false
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end
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end)
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return math_sqrt(d * w)*100
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end
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