function KnocbackMob_Conditions takes nothing returns boolean
    return IsUnitType(GetAttackedUnitBJ(), UNIT_TYPE_HERO) == true and GetUnitTypeId(GetAttacker()) == 'u000'
endfunction

function KnocbackMob_Actions takes nothing returns nothing
    local unit un=GetAttackedUnitBJ()
    local unit un2=GetAttacker()
    local real x=GetLocationX(GetUnitLoc(un)) + 40.00 * Cos(GetUnitFacing(un2) * bj_DEGTORAD)
    local real y=GetLocationY(GetUnitLoc(un)) + 40.00 * Sin(GetUnitFacing(un2) * bj_DEGTORAD)
    
    if not IsTerrainPathable(x,y, PATHING_TYPE_WALKABILITY) then
        call SetUnitX(un, x)
        call SetUnitY(un, y)
        call DestroyEffect(AddSpecialEffectLocBJ( GetUnitLoc(un), "Abilities\\Spells\\Undead\\FrostNova\\FrostNovaTarget.mdl" ))
    else
        call SetUnitLifeBJ( un, ( GetUnitStateSwap(UNIT_STATE_LIFE, un) - ( GetUnitStateSwap(UNIT_STATE_MAX_LIFE, un) / 4.00 ) ) )
    endif
    
    set un=null
    set un2=null
endfunction

//===========================================================================
function InitTrig_KnocbackMob takes nothing returns nothing
    set gg_trg_KnocbackMob = CreateTrigger(  )
    call TriggerRegisterAnyUnitEventBJ( gg_trg_KnocbackMob, EVENT_PLAYER_UNIT_ATTACKED )
    call TriggerAddAction( gg_trg_KnocbackMob, function KnocbackMob_Actions )
    call TriggerAddCondition( gg_trg_KnocbackMob, Condition( function KnocbackMob_Conditions ) )
endfunction