realms-in-ruin-dev/Documentation/Archaeology/06-PartialGASArchitecture.md

06 — Partial GAS Architecture

Status: Draft

• Scope: Complete static archaeology of partial GAS: ASC ownership, AttributeSet, Gameplay Effects, tags, cues, grant/activation absence, EffectActor boundary, legacy/GAS resource conflict, enemy ASC accessor defect.
• Inspection method: Native C++ read of all GAS-related Source/REALMSINRUIN files; AssetTools find/deps/refs; ObjectTools CDO properties / search_subclasses; BlueprintTools EventGraph DSL on consumable BPs; GameplayTagsToolset (read-only); prior Pass 5–8 ability/anim negative GAS results.
• Evidence classifications used: Observed Implementation, Documented Intent, Observed Runtime Behavior, Inferred, Unknown.
• Tool or visibility limitations: GameplayEffectComponents array unreadable via ObjectTools (cues/component tags Unknown on GE CDOs); BlueprintGeneratedClass CDO sometimes rejects duration/modifier property names depending on load path — modifiers recovered via successful GE CDO queries on Default__ / generated class where available; no PIE.
• Last updated: 2026-07-16
• Current phase: Phase 1 — Static Architecture
• Last completed pass: Pass 10 (Batch 4D) — Overlay bindings + EffectActor authority static pass
• Next pass expected to contribute: Pass 11 when authorized

Draft tracking

Completed sections

• ASC ownership + replication + InitAbilityActorInfo
• AttributeSet inventory, replication, constructor defaults, absence of PostGameplayEffectExecute
• Full project GE inventory (8 assets) with modifiers / duration / referencers
• Default-attribute GE matrix + orphan status
• Tag inventory from DefaultGameplayTags.ini + referencer status
• Gameplay Ability / grant / activation negative searches
• Gameplay Cue negative inventory
• EffectActor + consumable BP wiring
• Dual HUD path + stamina delegate type debt
• Pass 10: WBP_Overlay Health/Mana bindings only; no stamina widget; EffectActor no authority; UpdatePlayerHUD unimplemented on PC

Pending sections

• PIE: Overlay bars update on potion overlap; dual-resource display

Evidence still required

• PIE: EffectActor vs enemy GetASC null early-out impact
• Sphere collision GenerateOverlapEvents exact (tool limit)
• Dual HUD path + stamina delegate type debt
• Legacy vs GAS boundary table
• Enemy ASC compatibility table
• Subsystem status matrix

Pending sections

• Runtime ASC attribute values after spawn (PIE)
• Whether potion ApplyEffect succeeds on listen-server/client authority variants
• Full WBP_Overlay bar binding node walk (beyond native controller)

Evidence still required

• PIE: dual HUD coexistence; spawn Health/Mana vs native Init values
• PIE: EffectActor vs enemy GetASC null early-out impact
• Manual Editor: GE GameplayEffectComponents / cue slots if any

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1. GAS subsystem status matrix

Subsystem	Status	Exact implementation	Active reference path	Conflict or gap	Evidence
Player ASC ownership	Active	ARIRPlayerState creates URIRAbilitySystemComponent; Mixed replication	Character caches ASC from PlayerState in InitAbilityActorInfo	None for players	RIRPlayerState.cpp
Enemy ASC ownership	Active (component)	ARIRBaseEnemyCharacter creates ASC + AttributeSet; Minimal replication; InitAbilityActorInfo(this,this) in BeginPlay	Direct component on enemy	Conflicts with interface GetASC	RIRBaseEnemyCharacter.cpp
Actor-info initialization	Active	Player: PossessedBy + OnRep_PlayerState; Enemy: BeginPlay	Observed Implementation	—	RIRPlayerCharacter.cpp; RIRBaseEnemyCharacter.cpp
AttributeSet replication	Active	All six attrs DOREPLIFETIME + OnRep	Overlay binds change delegates	Stamina/MaxStamina not Init'd in ctor	RIRAttributeSet.cpp
Default attribute initialization	Scaffolding Only / Present but Unreferenced	Property DefaultAttributesGameplayEffect on PlayerState; four character GE assets	None — BP_PlayerState = None; GE_*_DefaultAttributes referencers []	Spawn uses native InitHealth/Mana only	ObjectTools; get_referencers
Runtime attribute modification	Partially Integrated	Consumable GEs via EffectActor ApplyGameplayEffectSpecToSelf	Potion/food overlap → ApplyEffectToTarget	Abilities use ApplyDamage / DEPRECATED floats, not GE	BP_HealthPotion DSL; Pass 5–6
Gameplay Ability classes	Scaffolding Only	URIRGameplayAbility InstancedPerActor only	No project subclass beyond engine jump/montage	No discrete GA assets (GA_ find = [])	search_subclasses; find_assets
Ability granting	Missing	No GiveAbility / StartupAbilities / AbilitySet	None observed	—	Source grep; find_assets; BP find_nodes
Ability activation	Missing	No TryActivateAbility in native or playable ability graphs	Legacy Server_Ability_* instead	—	Pass 5–6; Pass 7 searches
Ability costs / cooldowns	Missing	No GA cost/cooldown classes	Mana cost is DEPRECATED float + FCanUseMana	—	Pass 6
Gameplay Effects	Partially Integrated	8 GE BPs under GAS/GameplayEffects	4 consumable GEs assigned + applied; 4 default GEs orphaned	No Max* on default GEs; no Gunslinger GE	Pass 7 inventory
Gameplay Tags	Present but Unreferenced	12 tags in DefaultGameplayTags.ini	Zero native string refs; zero asset referencers observed	Tags unused by GEs (legacy containers empty)	Config; Source grep; tag tool
Gameplay Cues	Missing	No project cue notify assets; no GC_ assets; no GameplayCue.* project tags beyond Test orphan	None observed	SoundCue *_Cue assets are audio, not GAS	find_assets; search_subclasses
Attribute-driven UI	Active but Unverified	InitOverlay → OverlayWidgetController → WBP_Overlay Health/Mana bars bind delegates	WBP_Overlay via WBP_PlayerHUD CDO classes assigned	Legacy UpdatePlayerHUD unimplemented; stamina broadcasts with no stamina widget	RIRHUD; WBP_Overlay DSL; PC list_events
Legacy-resource synchronization	Missing	No mirror code between ASC attrs and DEPRECATED_*	Both UI paths independent	Static divergence possible	Pass 5–7
Enemy effect compatibility	Partially Integrated / Existing Baseline Defect	Enemy owns ASC; EffectActor uses GetAbilitySystemComponent via interface	Interface GetASC → PlayerState → nullptr on enemies	Pickups/effects may skip enemies	RIRBaseCharacter.cpp; RIREffectActor.cpp

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2. Gameplay Effect inventory

All under /Game/_Main/Blueprints/Game/GameSystems/GAS/GameplayEffects/. Attribute owner: URIRAttributeSet. Magnitude type: ScalableFloat. StackingType: None / StackLimitCount 0 where read. Cues: Unknown — GameplayEffectComponents unreadable; no GC_ assets exist. Granted INI tags: not observed on readable legacy tag containers (empty).

Effect	Duration	Modifiers	Tags	Cues	Referencers	Application path	Status	Evidence
GE_PotionHeal	Instant	Health AddBase 25	Empty (legacy containers)	Unknown — Tool Limitation	BP_HealthPotion	Overlap → ApplyEffectToTarget(Instant) → DestroyActor	Active (static path)	CDO + DSL
GE_PotionMana	Instant	Mana AddBase 30	Empty	Unknown	BP_ManaPotion	Same Instant pattern	Active (static path)	CDO + refs
GE_HoT_Small	HasDuration 1s, Period 0.1	Health AddBase 0.5/tick	Empty	Unknown	BP_OrangeSlice	Overlap → ApplyEffectToTarget(Duration) → Destroy	Active (static path)	CDO + refs
GE_MoT_Small	HasDuration 1s, Period 0.1	Mana AddBase 0.25/tick	Empty	Unknown	BP_ManaCrystal	Same Duration pattern	Active (static path)	CDO + refs
GE_Paladin_DefaultAttributes	Instant	Health Override 100; Mana Override 100	Empty	Unknown	[]	None	Present but Unreferenced	get_referencers
GE_Amazon_DefaultAttributes	Instant	Health Override 100; Stamina Override 100	Empty	Unknown	[]	None	Present but Unreferenced	get_referencers
GE_Cleric_DefaultAttributes	Instant	Health Override 50; Mana Override 200	Empty	Unknown	[]	None	Present but Unreferenced	get_referencers
GE_Wizard_DefaultAttributes	Instant	Health Override 100; Mana Override 150	Empty	Unknown	[]	None	Present but Unreferenced	get_referencers

None observed: GE_Gunslinger_*; SetByCaller; MMC; ExecutionCalculation project subclasses (engine base only); overflow/expiration GE chains (not read / not present in modifiers).

Folder inventory: find_assets recursive on /Game/_Main/Blueprints/Game/GameSystems/GAS returned exactly these 8 assets — Observed Implementation (complete folder set).

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3. Default attribute matrix

Character	Effect	Health	MaxHealth	Mana	MaxMana	Stamina	MaxStamina	Assigned at	Applied at	Reachability
Paladin	.../Paladin/GE_Paladin_DefaultAttributes	Override 100	Not modified	Override 100	Not modified	Not modified	Not modified	None	None	Unreachable
Amazonian	.../Amazon/GE_Amazon_DefaultAttributes (folder Amazon, not Amazonian)	Override 100	Not modified	Not modified	Not modified	Override 100	Not modified	None	None	Unreachable
Cleric	.../Cleric/GE_Cleric_DefaultAttributes	Override 50	Not modified	Override 200	Not modified	Not modified	Not modified	None	None	Unreachable
Wizard	.../Wizard/GE_Wizard_DefaultAttributes	Override 100	Not modified	Override 150	Not modified	Not modified	Not modified	None	None	Unreachable
Gunslinger	None observed	—	—	—	—	—	—	—	—	Missing
All (PlayerState)	Property only	—	—	—	—	—	—	BP_PlayerState.defaultAttributesGameplayEffect = None	Native never applies	Unreachable

Native spawn fallback (Observed Implementation): URIRAttributeSet ctor InitHealth(75), InitMaxHealth(100), InitMana(25), InitMaxMana(50); Stamina/MaxStamina not Init'd.

Naming inconsistency: Amazon GE folder/asset uses Amazon; playable Blueprint is Player_Amazonian — Documented Intent / Technical Debt.

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4. Attribute architecture matrix

Attribute	Native default	Replication	GE modifiers	UI binding	Blueprint reads/writes	Legacy equivalent	Synchronization	Status
Health	Init 75	Replicated + OnRep	Potion +25; HoT +0.5/0.1s; default Override orphaned	OnHealthChanged	Ability graphs: none (use DEPRECATED)	DEPRECATED_CurrentHealth	None observed	Dual sources
MaxHealth	Init 100	Replicated + OnRep	None on any GE	OnMaxHealthChanged	None in abilities	DEPRECATED_MaxHealth	None	Partially Integrated
Mana	Init 25	Replicated + OnRep	Potion +30; MoT +0.25/0.1s; default Override orphaned	OnManaChanged	Abilities use DEPRECATED mana	DEPRECATED_Mana / costs	None	Dual sources
MaxMana	Init 50	Replicated + OnRep	None on any GE	OnMaxManaChanged	None	DEPRECATED_MaxMana	None	Partially Integrated
Stamina	Not Init'd	Replicated + OnRep	Amazon default Override 100 (orphaned)	OnStaminaChanged (typed as FOnManaChangedSignature)	None	None observed	None	Scaffolding / Technical Debt
MaxStamina	Not Init'd	Replicated + OnRep	None	OnMaxStaminaChanged (typed as FOnMaxManaChangedSignature)	None	None	None	Scaffolding / Technical Debt

No PostGameplayEffectExecute / PreAttributeChange on URIRAttributeSet — no clamp-to-max or death-from-attribute logic in native AttributeSet — Observed Implementation (absence).

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5. Gameplay Tag inventory

Defined in Config/DefaultGameplayTags.ini (ImportTagsFromConfig=True).

Tag	Defined at	Native references	Blueprint references	GE/GA references	Status	Evidence
State.Dead	DefaultGameplayTags.ini L12	None observed	None observed	None observed	Present but Unreferenced	Source string search; tag referencer search
State.Stunned	L13	None	None	None	Present but Unreferenced	same
State.Blocking	L14	None	None	None	Present but Unreferenced	same
State.Casting	L15	None	None	None	Present but Unreferenced	same
Disable.Movement	L17	None	None	None	Present but Unreferenced	same
Disable.Input	L18	None	None	None	Present but Unreferenced	same
Disable.Attack	L19	None	None	None	Present but Unreferenced	same
Disable.Ability	L20	None	None	None	Present but Unreferenced	same
Effect.Damage	L22	None	None	None	Present but Unreferenced	same
Effect.Heal	L23	None	None	None	Present but Unreferenced	same
Effect.Buff	L24	None	None	None	Present but Unreferenced	same
Effect.Debuff	L25	None	None	None	Present but Unreferenced	same

Documented Intent (DevComment strings in INI) describes intended roles; no Observed Implementation of add/query/grant usage.

GameplayCue.Test: reported as lone cue tag orphan by GameplayCueToolset — Present but Unreferenced; no project notify.

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6. Gameplay Ability and grant inventory

Ability or grant mechanism	Asset/symbol	Grant path	Activation path	Cost/cooldown	Reachability	Status	Evidence
URIRGameplayAbility	Source/.../RIRGameplayAbility.*	None	None	None	Scaffolding only	Scaffolding Only	InstancedPerActor ctor only
UGameplayAbility subclasses (project)	search_subclasses → only engine Jump/Montage + URIRGameplayAbility	None	None	—	No project GA BP	Missing	search_subclasses
GA_* assets	find_assets /Game name GA_	—	—	—	[]	Missing	find_assets
AbilitySet / StartupAbilities	find_assets	—	—	—	[]	Missing	find_assets
GiveAbility / TryActivateAbility	Source + BP_PlayerCharacterBase	—	—	—	None observed	Missing	grep; find_nodes
DefaultAttributesGameplayEffect apply	ARIRPlayerState property	Never called in native	—	—	BP = None	Scaffolding Only	RIRPlayerState.h; CDO
Legacy Server_Ability_*	BP events	N/A (not GAS)	Enhanced Input	DEPRECATED mana	Active (legacy)	See doc 05	Pass 5–6

Conclusion (Observed Implementation): No project-defined Gameplay Ability implementation or static grant path was observed within the inspected project scope. This does not prove GAS can never activate at runtime.

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7. Gameplay Cue inventory

Cue	Type	Trigger	Referencers	Reachability	Status	Evidence
None observed (project)	—	—	—	—	Missing	find_assets GC_/GameplayCue; search_subclasses cue notifies → engine-only
GameplayCue.Test	Tag only	None	None	Unreachable	Present but Unreferenced	GameplayCueToolset
*_Cue SoundCue assets (e.g. MagicSpell_01_Cue)	USoundCue audio	Multicast_PlaySFX	Ability graphs	Active as audio, not GAS cue	Not GAS	Pass 6–8

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8. Legacy / GAS boundary table

System	Legacy path	GAS path	Synchronization	Current source of truth	Conflict	Runtime question
Health combat damage	ApplyDamage + DEPRECATED_CurrentHealth (Amazonian AnyDamage)	Attribute Health via GE (potions only)	None	Legacy for combat; GAS for potions	Dual health pools possible	Does potion heal update combat death?
Mana ability cost	DEPRECATED_*ManaCost + FCanUseMana	Attribute Mana via GE potions	None	Legacy for abilities	Potion mana may not affect ability costs	PIE both meters
HUD bars	Server_UpdateHUD → UpdatePlayerHUD (DEPRECATED %)	InitOverlay → OverlayWidgetController ASC delegates	None	Overlay Connected; UpdatePlayerHUD Present but Unconnected	Incomplete dual UI	Overlay only?
Healing	DEPRECATED_RecoverPlayerHealth (Cleric)	GE_PotionHeal / HoT	None	Both	Inconsistent heal systems	—
Death	PlayerDeath / IsDead bool	State.Dead tag unused; no attr death	None	Legacy	Tag unused	—
Blocking	IsBlocking bool + ABP	State.Blocking unused	None	Legacy	Tag unused	—
Default spawn attrs	Native Init* only	Orphan default GEs	N/A	Native Init 75/100/25/50	Orphan character GEs unused	Spawn values in PIE

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9. Enemy GAS compatibility table

Consumer	ASC lookup method	Expected owner	Static result	Null behavior	Potential impact	Runtime verification
ARIREffectActor::ApplyEffectToTarget	Library GetASC → base GetASC → PlayerState	Enemy self ASC	nullptr	Early return	Potions/effects skip enemies	PIE
Enemy direct ASC member	Native TObjectPtr	Self	Valid if used	—	No combat consumer in enemy BP (Pass 9)	—
Enemy BP combat / chase	N/A	—	No ASC dependency	—	GetASC defect does not cause chase/attack failure	—
Player ApplyDamage → enemy	Engine TakeDamage (not ASC)	—	No enemy ReceiveAnyDamage / health mutation	Damage event may fire with no health consumer	Combat kill path missing on enemy	PIE
Enemy AttributeSet Health	Direct	Self	Exists; Init defaults only	—	Scaffolding for combat	PIE

Pass 9 addition: Enemy EventGraphs contain no ASC reads/writes. Chase/attack failure classification is Implementation Missing, independent of the GetASC Incomplete Refactor.

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Ownership and init (detail)

Player (Observed Implementation):

• ASC + AttributeSet on ARIRPlayerState
• ReplicationMode Mixed; NetUpdateFrequency 100 (Batch 1/2)
• ARIRPlayerCharacter::InitAbilityActorInfo: Owner=PlayerState, Avatar=Character; PossessedBy + OnRep_PlayerState
• Then ARIRHUD::InitOverlay when local HUD present

Enemy (Observed Implementation):

• ASC + AttributeSet on ARIRBaseEnemyCharacter
• ReplicationMode Minimal
• BeginPlay: InitAbilityActorInfo(this, this)

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EffectActor boundary (Pass 7 + Pass 10)

ARIREffectActor::ApplyEffectToTarget:

1. UAbilitySystemBlueprintLibrary::GetAbilitySystemComponent(TargetActor)
2. null → return
3. MakeOutgoingSpec(GEClass, 1.f) + ApplyGameplayEffectSpecToSelf

BlueprintCallable from children. Properties: InstantGameplayEffectClass, DurationGameplayEffectClass.

BP	Instant	Duration	Graph
BP_HealthPotion	GE_PotionHeal	None	Sphere OnComponentBeginOverlap → ApplyEffecttoTarget(Instant) → DestroyActor
BP_ManaPotion	GE_PotionMana	None	Same Instant
BP_ManaCrystal	None	GE_MoT_Small	Sphere → Apply(Duration) → Destroy
BP_OrangeSlice	None	GE_HoT_Small	Sphere → Apply(Duration) → Destroy

Pass 10 static: No SwitchHasAuthority on any of the four; bReplicates=false; no target filter; Destroy always follows Apply call (including null ASC early-out path); no UI notify; no respawn. Authority / client overlap = Authority Risk / Requires Runtime Inspection. Full matrices: 12-Pickups-And-Effects.md.

Overlay (Pass 10): WBP_Overlay forwards controller to Health + Mana progress bars only; no stamina widget. Bars bind OnHealth/ManaChanged → SetProgressBarPercent.

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Distinctions (updated)

Layer	Status	Evidence
GAS infrastructure	Present / Active for ASC+attrs+UI binding	Native classes
GAS data	Partially present	8 GEs; 12 orphan tags; no cues; no GAs
GAS runtime abilities	Not observed	No grant/activate
GAS runtime effects	Partially Integrated	Consumables only
Legacy BP abilities	Active	doc 05 / 10

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Negative-search evidence log

Search	Scope	Result
find_assets name GA_ folder /Game	Project content	[]
find_assets name GC_ / GameplayCue	Project content	[] / no cue assets
find_assets under GAS folder	Complete	Exactly 8 GE assets
search_subclasses GameplayAbility	Engine+project	Engine Jump/Montage + URIRGameplayAbility only
search_subclasses RIRGameplayAbility	Project	No further subclasses
search_subclasses GameplayCueNotify_*	Engine+project	Engine unit-test/burst/etc only
search_subclasses GameplayEffectExecutionCalculation / ModMagnitudeCalculation	Engine+project	Engine base only
Source grep GiveAbility|TryActivateAbility|ApplyGameplayEffect	Source/REALMSINRUIN	Only EffectActor Apply + DefaultAttributes property
Source grep State.Dead / tag strings	Source/REALMSINRUIN	No matches (GameplayTags module linked in Build.cs only)
get_referencers each DefaultAttributes GE	Asset registry	[]