453add021d
create public api function that registers "increasing ABM:s"; these abstract over using numerical values associated with individual nodes in ABM:s, allowing for straightforward creation of processes that occur over time.
31 lines
806 B
Lua
31 lines
806 B
Lua
function blockgame.register_increasing_abm (def)
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local id = def.id or "unknown"
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local label = def.label or "unlabeled"
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local nodenames = def.nodenames or {}
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local neighbors = def.neighbors or {}
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local interval = def.interval or 60
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local chance = def.chance or 10
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-- TODO: fully validate def, make sure it has the necessary functions specified.
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blockgame.register_abm({
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label = label,
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nodenames = nodenames,
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neighbors = neighbors,
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interval = interval,
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chance = chance,
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action = function (pos, node)
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local meta = minetest.get_meta(pos)
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local value = meta:get_int(id) or 0
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local data = {
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value = value,
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}
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value = def.rate(pos, node, data)
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meta:set_int(id, value)
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if not def.check(pos, node, data) then return end
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def.action(pos, node, data)
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end,
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})
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end
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