Keywords: UE4, UE4Editor

Pivot

How to set Pivot Offset

How to override Events of Components in Blueprint

Right click component -> Add Event

How to change pivot (Location, Rotation, Scale) in Mesh Editor

Export mesh and reimport it, and set the Transform parameters in FBX import panel

Or, reimport asset in Mesh Editor

Optimization

How to open optimization Viewmodes
How to open Buffer Visualization

Mesh

How to customize screen size of LOD

1st way:
Screen Size that can’t be modify

Uncheck Auto Compute LOD Distance allow to modify Screen Size

2nd way:
Uncheck Auto Compute LOD Distance when import FBX asset.

How do I change the position of the light source in a sub-editor?

You can move the position of the light source in the Persona Viewport by holding down the ‘L’ key and right-click and dragging.

Reference:
https://answers.unrealengine.com/questions/32576/view.html

How to change background in mesh preview viewport

In the Preview Scene Settings there is a checkbox for both Show Environment and Show Floor

Reference:
https://answers.unrealengine.com/questions/502186/remove-sky-and-ground-static-mesh-editor.html

Edit Menu

How to use small Toobar Icons

Edit -> Editor Preferences -> Appearance -> Check Use Small Tool Bar Icons

Move directory in Editor

Right clicking on the folder and selecting “Fix Up Redirectors in Folder” before trying to move it, otherwise reference of assets would be lost.

Blueprint

How to add Exec Pin on Macro in Blueprint

By default, Blueprint Macro has no Exec Pin:

You can add an input and output parameter which type is Exec:

Macros
https://docs.unrealengine.com/en-us/Engine/Blueprints/UserGuide/Macros

Q: How to change the pin of line quickly?
A: Hold Ctrl and drag from source pin to target pin.

Issue: Accessed none trying to read property material

Blueprint runtime error:

Accessed none trying to read property material.

Solution:
Add IsValid node to check property.

Origin:
What Does “Accessed None Trying To Read Property” Error Mean And How To Fix It - Unreal Engine
https://www.youtube.com/watch?v=x5yx7XqZrrA

Animation

FBX has no animation data, recommend to remove (v4.22)

Issue:
When import animation assets from FBX, there’s warning log:

XXX has no animation data, recommend to remove

Solution:
Check Import Bone Tracks

Animation length is too long when import from FBX

Solution:
Select Exported Time in Animation Legnth

Dedicated Server

Client auto connect to Server when running in Editor:

Run game in Standalone Mode when running from Editor:

Gameplay

Possess Pawn

How to set auto possess pawn in editor?

Platforms

How to enable DirectX11 / DirectX12

Loading & Saving

How to load the last opened map at startup

Performance

Keeping editor running as normal when not in focus

Edit > Editor Preferences > Performance

Reference

Unreal Editor Manual
https://docs.unrealengine.com/en-us/Engine/Editor

4.23 Editor Improvements | Live from HQ | Inside Unreal
https://www.youtube.com/watch?v=mkV9dyjlvdk

50 Unreal Engine 5 Tips that you might not know of! (Beginner friendly)
https://www.youtube.com/watch?v=iayPiX8tBmQ

Batch Edit Multiple Files At Once In Unreal Engine 5 Tutorial
https://dev.epicgames.com/community/learning/tutorials/nOrR/batch-edit-multiple-files-at-once-in-unreal-engine-5-tutorial

UE5 Editor

Customized Editor Menu

User Toolbox overview
https://dev.epicgames.com/community/learning/tutorials/Ln1K/unreal-engine-user-toolbox-5-2

善，没有理由战胜不了恶，只要天使们能像黑手党那样组织起来。──库尔特·冯内古特（KurtVonnegut）《没有国家的人》