Modify the UE4 cache path to relieve the pressure on the C disk

It's being installed UE4 after ,UE4 The engine will generate the cache path by default ：
C:\Users\ user name \AppData\Local\UnrealEngine\Common

Too many items will lead to cache occupation C Disk space too high

Modify the cache directory for each engine version , Put the cache in the corresponding project directory , solve c Disk occupancy problem

open Engine installation directory \Engine\Config\BaseEngine.ini

modify InstalledDerivedDataBackendGraph Under entry

Path=“%ENGINEVERSIONAGNOSTICUSERDIR%DerivedDataCache”

by

Path=“%GAMEDIR%DerivedDataCache”