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Fixed #517 - When detected set is empty, script fails when lasing is activated.

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Now, when there is no target detected and lase is activated, the system
does not crash.
This commit is contained in:
FlightControl 2017-05-15 12:40:32 +02:00
parent 9053f99960
commit cc4a6a5f01
1 changed files with 21 additions and 17 deletions
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38
Moose Development/Moose/Core/Set.lua
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@ -1611,29 +1611,33 @@ function SET_UNIT:ForEachUnitPerThreatLevel( FromThreatLevel, ToThreatLevel, Ite
local ThreatLevelSet = {}
for UnitName, UnitObject in pairs( self.Set ) do
local Unit = UnitObject -- Wrapper.Unit#UNIT
local ThreatLevel = Unit:GetThreatLevel()
ThreatLevelSet[ThreatLevel] = ThreatLevelSet[ThreatLevel] or {}
ThreatLevelSet[ThreatLevel].Set = ThreatLevelSet[ThreatLevel].Set or {}
ThreatLevelSet[ThreatLevel].Set[UnitName] = UnitObject
self:E( { ThreatLevel = ThreatLevel, ThreatLevelSet = ThreatLevelSet[ThreatLevel].Set } )
end
local ThreatLevelIncrement = FromThreatLevel <= ToThreatLevel and 1 or -1
for ThreatLevel = FromThreatLevel, ToThreatLevel, ThreatLevelIncrement do
self:E( { ThreatLevel = ThreatLevel } )
local ThreatLevelItem = ThreatLevelSet[ThreatLevel]
if ThreatLevelItem then
self:ForEach( IteratorFunction, arg, ThreatLevelItem.Set )
if self:Count() ~= 0 then
for UnitName, UnitObject in pairs( self.Set ) do
local Unit = UnitObject -- Wrapper.Unit#UNIT
local ThreatLevel = Unit:GetThreatLevel()
ThreatLevelSet[ThreatLevel] = ThreatLevelSet[ThreatLevel] or {}
ThreatLevelSet[ThreatLevel].Set = ThreatLevelSet[ThreatLevel].Set or {}
ThreatLevelSet[ThreatLevel].Set[UnitName] = UnitObject
self:E( { ThreatLevel = ThreatLevel, ThreatLevelSet = ThreatLevelSet[ThreatLevel].Set } )
end
local ThreatLevelIncrement = FromThreatLevel <= ToThreatLevel and 1 or -1
for ThreatLevel = FromThreatLevel, ToThreatLevel, ThreatLevelIncrement do
self:E( { ThreatLevel = ThreatLevel } )
local ThreatLevelItem = ThreatLevelSet[ThreatLevel]
if ThreatLevelItem then
self:ForEach( IteratorFunction, arg, ThreatLevelItem.Set )
end
end
end
return self
end
--- Iterate the SET_UNIT and call an iterator function for each **alive** UNIT presence completely in a @{Zone}, providing the UNIT and optional parameters to the called function.
-- @param #SET_UNIT self
-- @param Core.Zone#ZONE ZoneObject The Zone to be tested for.