dfhack/library/lua/repeat-util.lua

43 lines
821 B
Lua

-- lua/plugins/repeatUtil.lua
-- author expwnent
-- tools for registering callbacks periodically
-- vaguely based on a script by Putnam
local _ENV = mkmodule("repeat-util")
repeating = repeating or {}
dfhack.onStateChange.repeatUtilStateChange = function(code)
if code == SC_WORLD_UNLOADED then
repeating = {}
end
end
function cancel(name)
if not repeating[name] then
return false
end
dfhack.timeout_active(repeating[name],nil)
repeating[name] = nil
return true
end
function scheduleEvery(name,time,timeUnits,func)
cancel(name)
local function helper()
func()
repeating[name] = dfhack.timeout(time,timeUnits,helper)
end
helper()
end
function scheduleUnlessAlreadyScheduled(name,time,timeUnits,func)
if repeating[name] then
return
end
scheduleEvery(name,time,timeUnits,func)
end
return _ENV