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  3. IGameFeatureStateChangeObserver

IGameFeatureStateChangeObserver

This class is meant to be overridden in your game to handle game-specific reactions to game feature plugins being mounted or unmounted

API > API/Plugins > API/Plugins/GameFeatures

This class is meant to be overridden in your game to handle game-specific reactions to game feature plugins being mounted or unmounted

Generally you should prefer to use UGameFeatureAction instances on your game feature data asset instead of this, especially if any data is involved

If you do use these, create them in your UGameFeaturesProjectPolicies subclass and register them via AddObserver / RemoveObserver on UGameFeaturesSubsystem

   
Name IGameFeatureStateChangeObserver
Type class
Header File /Engine/Plugins/Runtime/GameFeatures/Source/GameFeatures/Public/GameFeatureStateChangeObserver.h
Include Path #include "GameFeatureStateChangeObserver.h"

Syntax

class IGameFeatureStateChangeObserver

Derived Classes

Functions

Public

Name Remarks Include Path Unreal Specifiers

virtual void OnGameFeatureActivated ( const UGameFeatureData* GameFeatureData,
const FString& PluginURL
)

 Invoked after a game feature plugin is activated. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureActivating ( const UGameFeatureData* GameFeatureData,
const FString& PluginURL
)

 Invoked prior to activating a game feature plugin. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureCheckingStatus ( const FString& PluginURL
)

 Invoked when going from the UnknownStatus state to the CheckingStatus state. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureDeactivating ( const UGameFeatureData* GameFeatureData,
FGameFeatureDeactivatingContext& Context,
const FString& PluginURL
)

 Invoked prior to deactivating a game feature plugin. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureDownloading ( const FString& PluginName,
const FGameFeaturePluginIdentifier& PluginIdentifier
)

 Invoked when content begins installing. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureLoading ( const UGameFeatureData* GameFeatureData,
const FString& PluginURL
)

 Invoked in the early stages of the game feature plugin loading phase. GameFeatureStateChangeObserver.h  

virtual void OnGameFeaturePauseChange ( const FString& PluginURL,
const FString& PluginName,
FGameFeaturePauseStateChangeContext& Context
)

 Called whenever a GameFeature State either pauses or resumes work without transitioning out of that state. GameFeatureStateChangeObserver.h  

virtual void OnGameFeaturePostMounting ( const FString& PluginName,
const FGameFeaturePluginIdentifier& PluginIdentifier,
FGameFeaturePostMountingContext& Context
)

 Invoked at the end of the plugin mounting phase (whether it was successfully mounted or not) GameFeatureStateChangeObserver.h  

virtual void OnGameFeaturePostPredownloading ( const FString& PluginName,
const FGameFeaturePluginIdentifier& PluginIdentifier
)

 Invoked when pre-downloading content has finished. GameFeatureStateChangeObserver.h  

virtual void OnGameFeaturePredownloading ( const FString& PluginName,
const FGameFeaturePluginIdentifier& PluginIdentifier
)

 Invoked when content begins installing via predownload. GameFeatureStateChangeObserver.h  

virtual void OnGameFeaturePreMounting ( const FString& PluginName,
const FGameFeaturePluginIdentifier& PluginIdentifier,
FGameFeaturePreMountingContext& Context
)

 Invoked prior to mounting a plugin (but after its install bundles become available, if any) GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureRegistering ( const UGameFeatureData* GameFeatureData,
const FString& PluginName,
const FString& PluginURL
)

 Invoked after a game feature plugin has been registered. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureReleasing ( const FString& PluginName,
const FGameFeaturePluginIdentifier& PluginIdentifier
)

 Invoked when content is released (the point it at which it is safe to remove it) GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureTerminating ( const FString& PluginURL
)

 Invoked prior to terminating a game feature plugin. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureUnloading ( const UGameFeatureData* GameFeatureData,
const FString& PluginURL
)

 Invoked after a game feature plugin is unloaded. GameFeatureStateChangeObserver.h  

virtual void OnGameFeatureUnregistering ( const UGameFeatureData* GameFeatureData,
const FString& PluginName,
const FString& PluginURL
)

 Invoked prior to unregistering a game feature plugin. GameFeatureStateChangeObserver.h  

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