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Allow emits within emits

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This commit is contained in:
Tjakka5 2020-01-18 19:26:38 +01:00
parent 2cd738a135
commit 275d54726d
1 changed files with 9 additions and 2 deletions
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11
concord/world.lua
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@ -25,7 +25,8 @@ function World.new()
__entities = List(),
__systems = List(),
__events = {},
__events = {},
__emitSDepth = 0,
__added = List(), __backAdded = List(),
__removed = List(), __backRemoved = List(),
@ -245,6 +246,8 @@ function World:emit(functionName, ...)
error("bad argument #1 to 'World:emit' (String expected, got "..type(functionName)..")")
end
self.__emitSDepth = self.__emitSDepth + 1
local listeners = self.__events[functionName]
if listeners then
@ -252,13 +255,17 @@ function World:emit(functionName, ...)
local listener = listeners[i]
if (listener.system.__enabled) then
self:__flush()
if (self.__emitSDepth == 0) then
self:__flush()
end
listener.callback(listener.system, ...)
end
end
end
self.__emitSDepth = self.__emitSDepth - 1
return self
end