blob: 30a9c7badbe21d652e55699e5454c9aaede629da (
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local jobs = {}
local time = 0.0
local last = core.get_us_time() / 1000000
core.register_globalstep(function(dtime)
local new = core.get_us_time() / 1000000
if new > last then
time = time + (new - last)
else
-- Overflow, we may lose a little bit of time here but
-- only 1 tick max, potentially running timers slightly
-- too early.
time = time + new
end
last = new
if #jobs < 1 then
return
end
-- Iterate backwards so that we miss any new timers added by
-- a timer callback, and so that we don't skip the next timer
-- in the list if we remove one.
for i = #jobs, 1, -1 do
local job = jobs[i]
if time >= job.expire then
core.set_last_run_mod(job.mod_origin)
job.func(unpack(job.arg))
table.remove(jobs, i)
end
end
end)
function core.after(after, func, ...)
assert(tonumber(after) and type(func) == "function",
"Invalid core.after invocation")
jobs[#jobs + 1] = {
func = func,
expire = time + after,
arg = {...},
mod_origin = core.get_last_run_mod()
}
end
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