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43 lines
946 B

local eventId = 0
local eventsTable = { }
local orig = { scheduleEvent = scheduleEvent,
addEvent = addEvent }
-- fix original scheduleEvent
function scheduleEvent(func, delay)
eventId = eventId + 1
local id = eventId
local function proxyFunc()
if eventsTable[id] then
func()
eventsTable[id] = nil
end
end
eventsTable[id] = proxyFunc
orig.scheduleEvent(proxyFunc, delay)
return id
end
-- FIXME: the event function can be collected
-- and the dispatcher would call an invalid function, generating an warning
function removeEvent(id)
if id and eventsTable[id] then
eventsTable[id] = nil
return true
end
end
-- fix original addEvent
function addEvent(func)
eventId = eventId + 1
local id = eventId
local function proxyFunc()
if eventsTable[id] then
func()
eventsTable[id] = nil
end
end
eventsTable[id] = proxyFunc
orig.addEvent(proxyFunc)
return id
end