UndoConstruction

Undo or redo a construction with the token its commit returned.

Declaration

UFUNCTION(BlueprintCallable, Category="Orrery|Terrain|Edit", meta=(WorldContext="WorldContextObject"))
static FOrreryTerrainCommitResult UndoConstruction(const UObject* WorldContextObject, const FOrreryTerrainUndoToken& Token);

Blueprint Undo Construction

The graph as text

Undo Construction (function call)
- In Token (OrreryTerrainUndoToken): not connected
- Out Return Value (OrreryTerrainCommitResult): not connected

Header: #include "OrreryTerrainLibrary.h"
Module: PublicDependencyModuleNames.Add("OrreryTerrain"); in your module’s Build.cs.
Stability: Stable: changes within a major version only add.
Thread: Game thread (Blueprint). (the rule of UOrreryTerrainLibrary)
Blueprint: Undo Construction, in Orrery › Terrain › Edit

Parameters

Name	Type	Default	Meaning
`WorldContextObject`	`const UObject*`	—	—
`Token`	`const FOrreryTerrainUndoToken&`	—	—

Returns

The result; Undo holds the inverse, so a second call redoes. bOk is false, with nothing changed, when the token is empty or stale.