forked from Kimapr/nodecore-skyblock
69 lines
2.0 KiB
Lua
69 lines
2.0 KiB
Lua
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-- LUALOCALS < ---------------------------------------------------------
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local error, math, minetest, nodecore, type
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= error, math, minetest, nodecore, type
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local math_floor, math_sqrt
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= math.floor, math.sqrt
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-- LUALOCALS > ---------------------------------------------------------
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function nodecore.register_soaking_abm(def)
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def.qtyfield = def.qtyfield or "soakqty"
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def.timefield = def.timefield or "soaktime"
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def.soakinterval = def.soakinterval or ((def.interval or 1) * (def.chance or 1))
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if not def.soakrate then error("soaking abm missing soakrate callback") end
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if not def.soakcheck then error("soaking abm missing soakcheck callback") end
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def.soakvary = def.soakvary or 0.25
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if not def.soakrand then
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if def.soakvary then
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def.soakrand = function(rate, ticks)
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return rate * (1 + def.soakvary * nodecore.boxmuller()
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/ math_sqrt(ticks)) * ticks
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end
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else
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def.soakrand = function(rate, ticks) return rate * ticks end
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end
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end
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def.action = function(pos, ...)
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local now = minetest.get_gametime()
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local meta = minetest.get_meta(pos)
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local total = meta:get_float(def.qtyfield) or 0
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local start = meta:get_float(def.timefield)
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start = start and start ~= 0 and start or now
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local rate = 0
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local delta = 0
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if start <= now then
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rate = def.soakrate(pos, ...)
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if rate == false then
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meta:set_string(def.qtyfield, "")
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meta:set_string(def.timefield, "")
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return
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end
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rate = rate or 0
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local ticks = 1 + math_floor((now - start) / def.soakinterval)
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delta = def.soakrand(rate, ticks)
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total = total + delta
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start = start + ticks * def.soakinterval
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end
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local set = def.soakcheck({
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rate = rate,
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delta = delta,
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total = total
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}, pos, ...)
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if set == false then
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meta:set_string(def.qtyfield, "")
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meta:set_string(def.timefield, "")
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return
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end
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meta:set_float(def.qtyfield, set and type(set) == "number" and set or total)
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meta:set_float(def.timefield, start)
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end
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return nodecore.register_limited_abm(def)
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end
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