// Objects used:
// 'A00Q' = Backtrack (Faceless Void : Darkterror)
function Trig_Backtrack_Conditions takes nothing returns boolean
return GetLearnedSkill()=='A00Q'and IsUnitIllusion(GetTriggerUnit())==false
endfunction

function Backtrack_Main takes nothing returns nothing
local unit lfo=GetTriggerUnit()
local real lf7=GetEventDamage()
if(lf7>0)then
if(GetRandomInt(1,100)<=(70+(5*GetUnitAbilityLevel(lfo,'A00Q'))))then
call SetUnitState(lfo,UNIT_STATE_LIFE,GetUnitState(lfo,UNIT_STATE_LIFE)+lf7*2)
call DestroyEffect(AddSpecialEffectTarget("Abilities\\Weapons\\WingedSerpentMissile\\WingedSerpentMissile.mdl",lfo,"chest"))
endif
endif
endfunction

function Trig_Backtrack_Actions takes nothing returns nothing
local trigger ltt
if GetUnitAbilityLevel(GetTriggerUnit(),'A00Q')==1 then
set ltt=CreateTrigger()
call TriggerRegisterUnitEvent(ltt,GetTriggerUnit(),EVENT_UNIT_DAMAGED)
call TriggerAddAction(ltt,function Backtrack_Main)
endif
endfunction

function StartTrigger_Backtrack takes nothing returns nothing
set gg_trg_Backtrack=CreateTrigger()
call TriggerRegisterAnyUnitEventBJ(gg_trg_Backtrack,EVENT_PLAYER_HERO_SKILL)
call TriggerAddCondition(gg_trg_Backtrack,Condition(function Trig_Backtrack_Conditions))
call TriggerAddAction(gg_trg_Backtrack,function Trig_Backtrack_Actions)
endfunction

function InitTrig_Backtrack takes nothing returns nothing
call StartTrigger_Backtrak()
endfunction