Юниты прекращают движение достигнув определенной области

function CopyGroup takes group g returns group
    set bj_groupAddGroupDest = CreateGroup()
    call ForGroup(g, function GroupAddGroupEnum)
    return bj_groupAddGroupDest
endfunction

function Trig_Give_Order_to_Gnolls_Actions takes nothing returns nothing
    local integer i = 0
    local integer t = 0
    local group g
    local unit f
    local real x
    local real y
    
    call ClearTextMessages()
    call Say("Ding-dong!")   
    loop
        exitwhen i > 5
        if i >= 5 then
            set t = 0
        else
            set t = i + 1
        endif
        set x = GetRectCenterX(udg_GnollRect[t])
        set y = GetRectCenterY(udg_GnollRect[t])
        set g = CopyGroup(udg_GnollPatrul[i])
        if CountUnitsInGroup(g) > 12 then
            loop
                set f = FirstOfGroup(g)
                exitwhen f == null
                if GetUnitCurrentOrder(f) == OrderId("stop") or GetUnitCurrentOrder(f) == 0 then
                    call IssuePointOrder( f, "attack", x, y )
                    call Say(GetUnitName(f)+"_"+I2S(R2I(GetHandleId(f)))+" moves to area number "+I2S(t))
                endif
                call GroupRemoveUnit( g, f )
            endloop
        else
            loop
                set f = FirstOfGroup(g)
                exitwhen f == null
                if GetUnitCurrentOrder(f) == OrderId("stop") or GetUnitCurrentOrder(f) == 0 then
                    call GroupPointOrder( g, "attack", x, y )
                    call GroupClear(g)
                endif
                call GroupRemoveUnit( g, f )
            endloop
        endif
        call DestroyGroup(g)
        set i = i + 1
    endloop
    
    set g = null
    set f = null
endfunction