API Reference

Complete API documentation for ElysQuestFlow.

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Event Bus

UERPEventBusSubsystem

World subsystem for decoupled event communication.

Static

Method	Returns	Description
Get(WorldContextObject)	UERPEventBusSubsystem*	Get the subsystem instance

Broadcasting

Method	Description
Broadcast(EventTag, Payload)	Broadcast event with payload
BroadcastSimple(EventTag)	Broadcast event without payload

Listening (Blueprint)

Delegate	Signature	Description
OnEventReceived	(FGameplayTag, FERPEventPayload)	Fires for ALL events

Listening (C++ Native)

Method	Description
ListenNative(Tag, Delegate)	Listen for a specific tag, returns FDelegateHandle
UnlistenNative(Tag, Handle)	Remove a specific listener
UnlistenAllNative(Tag)	Remove all listeners for a tag

FERPEventPayload

Field	Type	Description
Instigator	AActor*	Actor that caused the event
ContextObject	UObject*	Generic payload object
Value	float	Numeric value
IntValue	int32	Integer value

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Quest System

UERPQuestSubsystem

World subsystem that manages quest lifecycle.

Static

Method	Returns	Description
Get(WorldContextObject)	UERPQuestSubsystem*	Get the subsystem instance

Management

Method	Returns	Description
StartQuestFromDefinition(Definition)	UERPQuestBase*	Create and start a simple quest
StartQuest(Quest)	bool	Start a pre-created quest instance
FailQuest(QuestId)	bool	Fail an active quest
AbandonQuest(QuestId)	bool	Remove quest from tracking

Queries

Method	Returns	Description
GetActiveQuests()	TArray<UERPQuestBase*>	All active quests
GetTrackedQuests()	TArray<UERPQuestBase*>	Active + tracked quests
GetQuestsByState(State)	TArray<UERPQuestBase*>	Quests with given state
GetAllQuests()	TArray<UERPQuestBase*>	All quests (any state)
FindQuest(QuestId)	UERPQuestBase*	Find by GUID

Tracking

Method	Description
SetQuestTracked(QuestId, bTracked)	Toggle HUD tracking

Delegates

Delegate	Signature	Description
OnAnyQuestStateChanged	(UERPQuestBase*, EERPQuestState)	Any quest state change
OnAnyObjectiveProgressed	(UERPQuestBase*, FERPObjectiveInfo)	Any objective progress

UERPQuestBase

Abstract base class for all quest types.

Properties

Property	Type	Description
QuestId	FGuid	Runtime unique ID
DisplayName	FText	UI display name
Description	FText	Detailed description
QuestTags	FGameplayTagContainer	Classification tags
bTrackedByDefault	bool	Track on HUD when activated
QuestState	EERPQuestState	Current state
bIsTracked	bool	Currently tracked on HUD

Virtual Interface (override in subclasses)

Method	Returns	Description
ProcessEvent(Tag, Payload)	bool	Handle an event, return true if progressed
GetProgress()	float	Overall progress 0.0-1.0
GetCurrentObjectives()	TArray<FERPObjectiveInfo>	Current objectives for UI
Activate()	void	Start the quest
Complete()	void	Mark as completed
Fail()	void	Mark as failed

Delegates

Delegate	Signature	Description
OnQuestStateChanged	(FGuid, EERPQuestState)	This quest's state changed
OnObjectiveProgressed	(FGuid, FName, FERPObjectiveInfo)	An objective progressed

UERPSimpleQuestDefinition (DataAsset)

Property	Type	Description
DisplayName	FText	Quest name
Description	FText	Quest description
QuestTags	FGameplayTagContainer	Classification
bTrackedByDefault	bool	Auto-track on HUD
Objectives	TArray<FERPObjectiveDefinition>	Objective list
bSequentialObjectives	bool	Sequential vs. parallel
CompletionEventTag	FGameplayTag	Broadcast on completion
FailureEventTag	FGameplayTag	Broadcast on failure

EERPQuestState

Value	Description
Inactive	Not yet started
Active	In progress
Completed	Successfully finished
Failed	Failed

FERPObjectiveDefinition

Field	Type	Description
ObjectiveId	FName	Unique ID within quest
DisplayText	FText	UI text
EventTag	FGameplayTag	Event that progresses this
RequiredCount	int32	Events needed to complete

FERPObjectiveInfo

Field	Type	Description
ObjectiveId	FName	Objective ID
DisplayText	FText	UI text
CurrentCount	int32	Current progress
RequiredCount	int32	Total needed
State	EERPObjectiveState	Current state

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Toast System

UERPToastSubsystem

Method	Description
Get(WorldContextObject)	Get subsystem instance
ShowToast(Message, Type, Duration, Subtitle)	Show a toast notification

Property	Type	Default	Description
MaxVisibleToasts	int32	3	Max simultaneous toasts
ToastWidgetClass	TSubclassOf	UERPToastWidget	Widget class
bAutoToastQuestEvents	bool	true	Auto-toast for quests

EERPToastType

Value	Color	Usage
Info	Blue	General
Success	Green	Positive
Warning	Yellow	Caution
Error	Red	Failures
QuestStarted	Light blue	New quest
QuestCompleted	Gold	Quest done
ObjectiveCompleted	Green	Objective done

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Widget Classes

See Widget Guide for detailed usage and BindWidget tables.

Quick Widget API

// Toast
UERPToastWidget* Toast;
Toast->ShowToast(Message, Type, Duration, Subtitle);

// Tracker
UERPQuestTrackerWidget* Tracker;
Tracker->RefreshFromSubsystem();
Tracker->UpdateWithQuests(QuestArray);

// Journal
UERPQuestJournalWidget* Journal;
Journal->OpenJournal();
Journal->CloseJournal();
Journal->ToggleJournal();
Journal->RefreshFromSubsystem();

// Detail
UERPQuestDetailWidget* Detail;
Detail->ShowQuestDetail(Quest);

// List Entry
UERPQuestListEntryWidget* Entry;
Entry->UpdateFromQuest(Quest);
Entry->SetSelected(true);

// Tracker Entry
UERPQuestTrackerEntryWidget* TrackerEntry;
TrackerEntry->UpdateFromQuest(Quest);

// Objective Entry
UERPObjectiveEntryWidget* ObjEntry;
ObjEntry->UpdateFromInfo(ObjectiveInfo);