修改虚幻引擎默认缓存路径_虚幻引擎缓存位置

找到默认缓存路径

虚幻引擎缓存默认路径：
C:\Users\用户名\AppData\Local\UnrealEngine\Common
你可以完全删除这个文件夹，但是所有缓存文件会丢失，需要重新渲染

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找到当前安装目录

找到安装目录的配置文件夹 例如：D:Unreal Engine\UE_4.26\Engine\Config

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修改缓存目录为项目根目录

在安装目录中找到 BaseEngine.ini 文件，编辑打开
查找 [InstalledDerivedDataBackendGraph]
找到如下结果

UE4

[InstalledDerivedDataBackendGraph]
MinimumDaysToKeepFile=7
Root=(Type=KeyLength, Length=120, Inner=AsyncPut)
AsyncPut=(Type=AsyncPut, Inner=Hierarchy)
Hierarchy=(Type=Hierarchical, Inner=Boot, Inner=Pak, Inner=CompressedPak, Inner=EnginePak, Inner=EnterprisePak, Inner=Local, Inner=Shared)
Boot=(Type=Boot, Filename="%ENGINEUSERDIR%DerivedDataCache/Boot.ddc", MaxCacheSize=512)
Local=(Type=FileSystem, ReadOnly=false, Clean=false, Flush=false, PurgeTransient=true, DeleteUnused=true, UnusedFileAge=34, FoldersToClean=-1, 
Path="%ENGINEVERSIONAGNOSTICUSERDIR%DerivedDataCache", EditorOverrideSetting=LocalDerivedDataCache)
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UE5

[InstalledDerivedDataBackendGraph]
Root=(Type=KeyLength, Length=120, Inner=AsyncPut)
AsyncPut=(Type=AsyncPut, Inner=Hierarchy)
Hierarchy=(Type=Hierarchical, Inner=Pak, Inner=CompressedPak, Inner=EnginePak, Inner=EnterprisePak, Inner=Local, Inner=Shared, Inner=Cloud)
Local=(Type=FileSystem, PurgeTransient=true, UnusedFileAge=34, Path="%ENGINEVERSIONAGNOSTICUSERDIR%DerivedDataCache", EnvPathOverride=UE-LocalDataCachePath, EditorOverrideSetting=LocalDerivedDataCache)
Shared=(Type=FileSystem, UnusedFileAge=10, FoldersToClean=10, ConsiderSlowAt=70, Path=?EpicDDC, EnvPathOverride=UE-SharedDataCachePath, EditorOverrideSetting=SharedDerivedDataCache, CommandLineOverride=SharedDataCachePath)
Cloud=(Type=Cloud, ServerID=Default, EnvHostOverride=UE-CloudDataCacheHost, CommandLineHostOverride=CloudDataCacheHost, CommandLineOAuthSecretOverride="CloudDataCacheOAuthSecret", OAuthAccessTokenEnvOverride="UE-CloudDataCacheAccessToken")
Pak=(Type=ReadPak, Filename="%GAMEDIR%DerivedDataCache/DDC.ddp")
CompressedPak=(Type=ReadPak, Filename="%GAMEDIR%DerivedDataCache/Compressed.ddp", Compressed=true)
EnginePak=(Type=ReadPak, Filename=../../../Engine/DerivedDataCache/Compressed.ddp, Compressed=true)
EnterprisePak=(Type=ReadPak, Filename=../../../Enterprise/DerivedDataCache/Compressed.ddp, Compressed=true)
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其中
Path="%ENGINEVERSIONAGNOSTICUSERDIR%DerivedDataCache"

修改为
Path="%GAMEDIR%DerivedDataCache"

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省流

记得保存

如果你足够懒可以直接复制我的这一段 替换你的[InstalledDerivedDataBackendGraph]部分

UE4

[InstalledDerivedDataBackendGraph]
MinimumDaysToKeepFile=7
Root=(Type=KeyLength, Length=120, Inner=AsyncPut)
AsyncPut=(Type=AsyncPut, Inner=Hierarchy)
Hierarchy=(Type=Hierarchical, Inner=Boot, Inner=Pak, Inner=CompressedPak, Inner=EnginePak, Inner=EnterprisePak, Inner=Local, Inner=Shared)
Boot=(Type=Boot, Filename="%ENGINEUSERDIR%DerivedDataCache/Boot.ddc", MaxCacheSize=512)
Local=(Type=FileSystem, ReadOnly=false, Clean=false, Flush=false, PurgeTransient=true, DeleteUnused=true, UnusedFileAge=34, FoldersToClean=-1, Path="%GAMEDIR%DerivedDataCache", EditorOverrideSetting=LocalDerivedDataCache)
Shared=(Type=FileSystem, ReadOnly=false, Clean=false, Flush=false, DeleteUnused=true, UnusedFileAge=10, FoldersToClean=10, MaxFileChecksPerSec=1, Path=?EpicDDC, EnvPathOverride=UE-SharedDataCachePath, EditorOverrideSetting=SharedDerivedDataCache)
Pak=(Type=ReadPak, Filename="%GAMEDIR%DerivedDataCache/DDC.ddp")
CompressedPak=(Type=ReadPak, Filename="%GAMEDIR%DerivedDataCache/Compressed.ddp", Compressed=true)
EnginePak=(Type=ReadPak, Filename=../../../Engine/DerivedDataCache/Compressed.ddp, Compressed=true)
EnterprisePak=(Type=ReadPak, Filename=../../../Enterprise/DerivedDataCache/Compressed.ddp, Compressed=true)
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UE5

[InstalledDerivedDataBackendGraph]
Root=(Type=KeyLength, Length=120, Inner=AsyncPut)
AsyncPut=(Type=AsyncPut, Inner=Hierarchy)
Hierarchy=(Type=Hierarchical, Inner=Pak, Inner=CompressedPak, Inner=EnginePak, Inner=EnterprisePak, Inner=Local, Inner=Shared, Inner=Cloud)
Local=(Type=FileSystem, PurgeTransient=true, UnusedFileAge=34, Path="%GAMEDIR%DerivedDataCache", EnvPathOverride=UE-LocalDataCachePath, EditorOverrideSetting=LocalDerivedDataCache)
Shared=(Type=FileSystem, UnusedFileAge=10, FoldersToClean=10, ConsiderSlowAt=70, Path=?EpicDDC, EnvPathOverride=UE-SharedDataCachePath, EditorOverrideSetting=SharedDerivedDataCache, CommandLineOverride=SharedDataCachePath)
Cloud=(Type=Cloud, ServerID=Default, EnvHostOverride=UE-CloudDataCacheHost, CommandLineHostOverride=CloudDataCacheHost, CommandLineOAuthSecretOverride="CloudDataCacheOAuthSecret", OAuthAccessTokenEnvOverride="UE-CloudDataCacheAccessToken")
Pak=(Type=ReadPak, Filename="%GAMEDIR%DerivedDataCache/DDC.ddp")
CompressedPak=(Type=ReadPak, Filename="%GAMEDIR%DerivedDataCache/Compressed.ddp", Compressed=true)
EnginePak=(Type=ReadPak, Filename=../../../Engine/DerivedDataCache/Compressed.ddp, Compressed=true)
EnterprisePak=(Type=ReadPak, Filename=../../../Enterprise/DerivedDataCache/Compressed.ddp, Compressed=true)
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