65 lines
1.7 KiB
Lua
65 lines
1.7 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local minetest, nodecore
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= minetest, nodecore
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-- LUALOCALS > ---------------------------------------------------------
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local dirt = "nc_terrain:dirt"
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local grass = "nc_terrain:dirt_with_grass"
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local breathable = {
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airlike = true,
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allfaces = true,
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allfaces_optional = true,
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torchlike = true,
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signlike = true,
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plantlike = true,
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firelike = true,
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raillike = true,
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nodebox = true,
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mesh = true,
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plantlike_rooted = true
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}
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-- nil = stay, false = die, true = grow
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local function grassable(above)
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local node = minetest.get_node(above)
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if node.name == "ignore" then return end
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local def = minetest.registered_items[node.name] or {}
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if (not def.drawtype) or (not breathable[def.drawtype])
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or (def.damage_per_second and def.damage_per_second > 0)
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then return false end
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local ln = minetest.get_node_light(above) or 0
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if ln >= 10 then return true end
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local ld = minetest.get_node_light(above, 0.5) or 0
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if ld >= 10 then return end
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end
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nodecore.register_limited_abm({
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label = "Grass Spread",
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nodenames = {"group:soil"},
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neighbors = {grass},
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interval = 6,
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chance = 50,
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action = function(pos, node)
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if node.name == grass then return end
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local above = {x = pos.x, y = pos.y + 1, z = pos.z}
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if not grassable(above) then return end
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return minetest.set_node(pos, {name = grass})
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end
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})
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nodecore.register_limited_abm({
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label = "Grass Decay",
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nodenames = {grass},
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interval = 8,
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chance = 50,
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action = function(pos)
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local above = {x = pos.x, y = pos.y + 1, z = pos.z}
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if grassable(above) ~= false then return end
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return minetest.set_node(pos, {name = dirt})
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end
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})
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