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Added callbacks for systems

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This commit is contained in:
Justin van der Leij 2018-07-30 13:32:48 +02:00
parent 30a3b38fe1
commit 940217af40
2 changed files with 29 additions and 5 deletions
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9
lib/instance.lua
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@ -107,6 +107,8 @@ function Instance:addSystem(system, eventName, callback, enabled)
if not self.systems:has(system) then
self.systems:add(system)
system.__instance = self
system:addedTo(self)
end
if eventName then
@ -177,7 +179,14 @@ function Instance:setSystem(system, eventName, callback, enable)
local listener = listeners[i]
if listener.system == system and listener.callback == callback then
if enable and not listener.enabled then
system:enabledCallback(callback)
elseif not enable and listener.enabled then
system:disabledCallback(callback)
end
listener.enabled = enable
break
end
end