43 lines
948 B
Plaintext
43 lines
948 B
Plaintext
|
-- simple stateless timed events
|
||
|
|
timed_effects = {}
|
||
|
|
|
||
|
|
function add_effect(key, duration, effect_function)
|
||
|
|
local effect = {
|
||
|
|
duration = duration,
|
||
|
|
effect = effect_function
|
||
|
|
}
|
||
|
|
|
||
|
|
if key then
|
||
|
|
timed_effects[key] = effect
|
||
|
|
else
|
||
|
|
table_insert(timed_effects, effect)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
-- Processing the effects
|
||
|
|
-- Whatever lowest time is set for effect, it will be processed at least once on process cycle
|
||
|
|
local function process_timed_effects()
|
||
|
|
for key, props in pairs(timed_effects) do
|
||
|
|
if props.effect then
|
||
|
|
props.effect()
|
||
|
|
props.duration = clamp(props.duration - 1, 0, 999)
|
||
|
|
end
|
||
|
|
if props.duration == 0 then
|
||
|
|
timed_effects[key] = nil
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
local interval = 1000
|
||
|
|
local time = 0
|
||
|
|
function actor_on_update()
|
||
|
|
tg = time_global()
|
||
|
|
--trace("current tg %s", tg)
|
||
|
|
if tg < time + interval then return end
|
||
|
|
time = tg
|
||
|
|
process_timed_effects()
|
||
|
|
end
|
||
|
|
|
||
|
|
function on_game_start()
|
||
|
|
RegisterScriptCallback("actor_on_update", actor_on_update)
|
||
|
|
end
|