Appendix A. Blueprint node reference

Generated from the plugin's reflection data (RSE.Docs.ExportReference). 2247 nodes, events and overridable functions in 287 classes. Kind: function is a callable node, pure has no execution pin, event is an assignable event (Assign / Bind Event), override is a function a Blueprint subclass overrides. Parameters marked out are outputs, ref are passed by reference.

Classes by module: RSE (186); RSECommonUI (1); RSECore (90); RSEGAS (1); RSENet (4); RSEOnline (5).

ARSEATBBattleDirector

Module RSE. Runs and presents a classic battle on an ATB stage (D-023): ATB (D-022) or turn-based (D-050).

ARSEATBStage

Module RSE. Where an ATB battle takes place (D-023): the party on one side, enemies on the other, each in a front and a back row, plus a fixed battle camera.

ARSEAbilityDemoPad

Module RSE. A showcase pad (D-062, gallery maps): the player walks up, presses Interact and watches an ability's presentation (D-034 / D-055: its cue timeline, projectile, camera, reactions) played by a caster on a target dummy.

ARSEActionBattleDirector

Module RSE. The presenter of an action battle (D-171, package A3; the D-141 split: URSEActionSimDriver decides, this shows).

ARSEActionCameraRig

Module RSE. The action battle camera of one local player (D-171, package A3): a third-person view behind the character the player commands, turned by the look input, blending between the Combat, Aim (over the shoulder) and Lock On profiles of Action Battle (Presentation), kept off walls by a sphere probe, shake...

ARSEActionProjectileActor

Module RSE. A projectile of an action battle in the world (D-171, package A3): each machine shows the battle's projectiles with one of these (the arrow, the fireball, the shell).

ARSEBuildingEntrance

Module RSE. The entrance of a building (D-150, docs/product/buildings.md): put it at the building's door and pick a mode.

ARSECaravan

Module RSE. A merchant caravan on the road (D-157, docs/product/living-npcs.md "Caravans"): place it, draw its route (the spline, along the roads; or use World Tools -> Place Caravan Route), mark the stops and pick a Caravan Data asset.

ARSEChest

Module RSE. A treasure chest (D-042): items and money, opened once (the opened state is a story flag, so it is saved with the story), optionally locked by conditions or a key item.

ARSECinematicCharacter

Module RSE. A character standing in a story scene (D-078): the spawnable that Cinematic from Screenplay puts in a Level Sequence for every speaker.

ARSECombatArea

Module RSE. A designed combat place of the map (D-093, free-tactics.md section 11): a clearing, a square, a bridge where battles are meant to happen.

ARSECompanionAIController

Module RSE. The companion AI of a visible party member (D-097, engineering standards section 12): the controller every member has when no player controls it.

ARSEDoor

Module RSE. A door the player opens and closes (D-110): in exploration by interacting with it, in a Free Tactics battle with the Door command (it costs the action set in Free Tactics -> Doors).

ARSEEncounterSite

Module RSE. D-182: where one encounter is fought in every battle mode, so the same encounter can start in any mode (its own, or the session's Battle Mode Override) on one map: - grid Tactics: Tactics Director (its zone is the grid; the deployment tiles and the enemies' tiles fall back to the zone when the encou...

ARSEEncounterSpawner

Module RSE. Places visible enemy groups in the world (D-063, visible soldiers that start battles on contact; docs/design/random-encounters.md).

ARSEEncounterTrigger

Module RSE. A volume on the exploration map that starts a battle when the explorer walks in (D-026).

ARSEExplorationCharacter

Module RSE. The party leader walking the world in exploration.

ARSEFreeTacticsCameraPawn

Module RSE. The tactical camera of Free Tactics battles (D-097), in the style of modern party tactics games: it orbits a focus point on the ground, rotates freely (steps or held input), zooms, pans relative to its yaw and glides to the active unit and the actions.

ARSEFreeTacticsDirector

Module RSE. Presents a Free Tactics battle on the live map (D-097, docs/design/free-tactics.md sections 4-6) on every machine (D-141): plays the events back (walking along UnitMoved.Points, abilities through the battle cue player, falls, joins, the turn marker), the ground overlay (movement area, path, ability...

ARSEFrontEndPlayerController

Module RSE. Player controller of the main menu map: shows the mouse cursor, puts input in UI-only mode with the main menu focused (keyboard, gamepad and mouse) and carries out the chosen entries: - Continue: loads the most recent save, fades out and opens its map (URSESaveFlowSubsystem); - New Game: resets the...

ARSEGeneratedInterior

Module RSE. A generated interior (D-158, docs/product/buildings.md "Generated interiors"): the one actor of Buildings -> Generated Interior Map.

ARSEIdleSpot

Module RSE. A place the visible party uses while the leader rests (D-129): a bench to sit on, a wall to lean on (Kind = Idle.Spot.Sit / Idle.Spot.Lean: a Use Spot behaviour walks there, faces the arrow and loops its animation), or a point of interest the members look at (Kind = Idle.Spot.Interest: a statue, a v...

ARSEInteractableActor

Module RSE. Something the player examines or talks to in exploration (exploration.md, "Interactiuni / NPC").

ARSEInteriorVolume

Module RSE. An interior (D-110): a house, a cave, a dungeon room.

ARSELadder

Module RSE. A ladder between two floors (D-110; a traversal link since D-121): a body climbs from Bottom Point to Top Point with its kind's motion and animations (Project Settings -> Traversal -> Default Ladder Kind unless the actor has its own).

ARSELockableActor

Module RSE, display name RSE Lockable. A locked door or chest (D-109): its Lock data (difficulty, who may pick it, keys) plus keys of its own.

ARSENPC

Module RSE. A talkable NPC: an interactable with a body (a capsule, plus its Appearance as an animated character (D-046) or a placeholder mesh), a speaker component (cues and barks find it), facing the player while talking, and an optional proximity bark.

ARSENPCPlace

Module RSE, display name NPC Place. Where living NPCs do their activities (D-104): a spot, an area or a route, found by Place Id from the NPCs' schedules (any actor tagged with the id works as a spot too).

ARSENetGameState

Module RSENet. A game state that carries the replicated state sections from the start (D-140).

ARSENetPlayerState

Module RSENet. A player state that carries the co-op identity and command transport from the start (D-140).

ARSEPuzzleDoor

Module RSE. A locked door or mechanism (D-039): open while OpenConditions pass (e.g.

ARSERandomEncounterArea

Module RSE. Classic random ATB battles while the explorer walks inside this volume (D-022, D-026).

ARSERoamingEnemy

Module RSE. A visible enemy in the world (D-063): the leader of a spawner's group (behavior profile, detection, chase, alert) or one of its followers (walks behind the leader).

ARSESavePoint

Module RSE. A save point in the world (D-010).

ARSESceneTrigger

Module RSE. A volume that plays a story scene when the player's pawn walks in (D-043).

ARSESurfaceSpot

Module RSE. A surface that lies in the level before any battle (D-112): the water of a ford, a puddle of oil by the barrels, a poison marsh.

ARSESwimVolume

Module RSE. A traversal volume placed in the level (D-121, docs/design/traversal.md): deep water by default.

ARSETacticsBattleDirector

Module RSE. Runs a Tactics encounter on a zone of the live map (D-009) and presents it (D-006).

ARSETacticsZone

Module RSE. A pre-placed area of the live map that turns into a tactical battlefield (decision D-009).

ARSETimeOfDayActor

Module RSE, display name Time of Day & Weather. The sky of a level (D-101, docs/design/time-weather.md): drop it into any level.

ARSETrapActor

Module RSE, display name RSE Trap. A trap in the world (D-109): a pressure plate, a tripwire, a gas vent, an arrow trap (its Trap data).

ARSETraversalActor

Module RSE. A placed traversal link (D-121, docs/design/traversal.md): a ladder, a rope, a jump across a gap, a vault, a drop, a zip-line.

ARSETraversalLink

Module RSE. A generic placed link (D-121): Start Point, End Point and optional points in between, edited with the viewport widgets.

ARSEWorldInteractable

Module RSE. A ready-made world object of the interaction library (D-150, docs/product/interaction-library.md): pick an Interactable Data asset (a chest, a campfire, a lantern, a signpost, a danger warning, an examine spot, a shrine, a gathering node, a viewpoint, an obstacle, a class-action object) and place it...

ARSEZoneExit

Module RSE. A way to another map (D-044, docs/design/zones-travel.md): a road or a door with a destination map and arrival point.

URSEAIBattleBrain

Module RSECore. The AI state of one battle (D-056): per-unit boss phases and last stands, the team blackboards and the debugger's decision records.

URSEAIBlueprintLibrary

Module RSECore. Battle reads for Blueprint AI conditions and scorers (D-052, D-056): subclass URSEAICondition / URSEAIScorer in Blueprint, override IsMet / Score and query the battle through these nodes.

URSEAICondition

Module RSECore. A condition of an AI rule, a boss phase trigger or a composite (D-056).

URSEAIDebugViewModel

Module RSE. In-game AI debugger (D-056): the last AI decision of the running battle (unit, profile, phase, intelligence, the best options with their score terms) and rank labels on the Tactics tiles.

URSEAIDecisionPolicy

Module RSECore, display name Custom Decision Policy (Blueprint). D-168: the last word on a unit's decisions, for special enemies scripted without changing the AI.

URSEAIInterop

Module RSE. Our AI for the buyer's AI (D-175, docs/product/ai-interop.md): what the Behavior Tree tasks, decorators and services, and the StateTree companion's tasks call.

URSEAIScorer

Module RSECore. A custom consideration added to the score of every ability option (D-056): Weight x Score(context).

URSEAIStyleLibrary

Module RSECore. D-168: building AI styles without code (the AI Style wizard, scripts and tests use the same functions).

URSEATBHUDViewModel

Module RSE. The classic battle HUD (ATB and turn-based, D-021 / D-022 / D-050, D-052): party rows with resources and gauges, enemy chips, command menu, target preview and marker, time mode or round, turn order strip, log, banner, key prompts.

URSEAbilityReaction

Module RSECore, display name Reaction. An automatic response of a unit (D-055): counterattack, overwatch, on-hit / on-death triggers.

URSEAbilityTestLibrary

Module RSECore. Test ability (D-167): runs an ability headless in mini battles and measures it.

URSEActionAIController

Module RSECore. The real-time AI of action battles (A2, D-171; docs/design/action-battle.md): the shared utility AI (profiles, roles, scorers, gates, intelligence curves, rules, boss phases, the Decision Policy hook) adapted to real time.

URSEActionAgent

Module RSE. RSE Action Agent

URSEActionAgents

Module RSE. The action agent of an actor: the actor itself when it implements IRSEActionAgent, else its component that does.

URSEActionBattle

Module RSECore. Headless real-time action battle (D-171, docs/design/action-battle.md): the sixth battle mode, from sword fights to RPG shooters, on the same party, abilities, items, damage pipeline, statuses (control statuses included, D-167) and objectives as the other modes (URSEBattle).

URSEActionBattleSubsystem

Module RSE. Action battles on the live map (D-171, package A3): starts them where the party stands (an Action encounter from exploration: a trigger, a story effect, a dev command), gathers who takes part (the leader, the party members nearby, the encounter's enemies in the world or in front of the party), owns...

URSEActionCombatComponent

Module RSE, display name RSE Action Combat. "RSE Action Combat" (D-171, package A3; docs/product/components.md): what a character does in real-time action battles, on any pawn (our characters, a project's own Blueprint characters through IRSEExplorerPawn).

URSEActionControlsComponent

Module RSE, display name RSE Action Controls. "RSE Action Controls" (D-171, package A3): one local player's controls in an action battle, on their player controller.

URSEActionInterop

Module RSE. AI interop for action battles (D-175 / D-171, package B2): what the Behavior Tree nodes, the StateTree nodes and Blueprints call to play a unit of a real-time battle with the project's own brain: attacks, abilities, dodge / block / parry, walking to and keeping a range, and the questions those decis...

URSEActionRules

Module RSECore, display name Action Battle. Real-time action battles (D-171, docs/design/action-battle.md).

URSEActionSimDriver

Module RSE. The server side of an action battle (D-171, package A3; the D-141 split of the live battles): owns the headless battle (URSEActionBattle) and runs it on the authority only (single player, the host).

URSEAppLifecycleSubsystem

Module RSE. The game's reaction to platform events (D-170), in each game world: listens to URSEPlatformUserSubsystem (RSECore) and - controller disconnect of the primary user: pauses the world (through URSETimeControlSubsystem, so co-op never pauses for everyone) and opens the reconnect screen (Platform ->...

URSEAppearanceComponent

Module RSE. Builds a modular character on its actor from a URSECharacterAppearance (D-046): the leader skeletal mesh with the Anim Blueprint, follower skeletal parts copying its pose (leader pose), static parts on sockets, material variants, and the visible parts of the equipment worn.

URSEArchetype

Module RSECore. A template content is made from (D-095, docs/design/studio.md section 6): "Knight", "Goblin", "Merchant", "Healing spell".

URSEArchetypeLibrary

Module RSECore. Archetype inheritance (D-095, docs/design/studio.md section 6 and section 16): creating content from an archetype, per-field overrides, propagation that asks first (a report with per-asset changes, applied only to the assets the designer checks, overridden fields never touched), "Reset to archetype"...

URSEAreaMapViewModel

Module RSE. The full area map screen (D-089, D-092): pan, zoom, legend with category filters, region names, the player, quest objectives and player pins placed with the pin wheel.

URSEAttributeRegistry

Module RSECore. The attributes and resources of a project (D-054, docs/design/attributes.md).

URSEAudioSubsystem

Module RSE. The game's audio (D-036, docs/design/audio.md): music, sound effects and the mixer.

URSEAuthorityPolicy

Module RSE. Who runs the game logic (D-134, docs/design/networking.md §3.5).

URSEAuthoritySubsystem

Module RSECore. The authority mode and the local player's id for this game instance (D-133).

URSEBattle

Module RSECore. Rules shared by both battle modes: units, resources, damage and healing, defeat, end of battle and the event stream (D-006).

URSEBattleBannerViewModel

Module RSE. Text banners of battle presentations (D-034): the ability name plate and the large cinematic titles.

URSEBattleCuePlayerComponent

Module RSE. Plays battle presentation timelines (D-034) and times interactive action commands.

URSEBattleCue_Custom

Module RSE, display name Custom (Blueprint). A presentation step written in Blueprint (D-052): create a Blueprint class from it and override On Cue Start (and optionally On Cue Update / On Cue Stop) to spawn effects, move actors, play sounds or animations on the cue's subjects.

URSEBattleHUDViewModel

Module RSE. Common base of the battle HUD view-models (D-052): the battle log, the result banner, the key prompts and the battle events for floating numbers.

URSEBattleLauncherSubsystem

Module RSE. The C++ behind the battle launcher (P55, D-179): starts, restarts and auto-plays a battle of any mode from one FRSEBattleLaunchPreset, on the map the player explores.

URSEBattleMenuLibrary

Module RSECore. Blueprint access to the battle menu model (custom providers, custom presenters; D-122).

URSEBattleMenuProvider

Module RSECore, display name Battle Menu Provider. A source of battle menu entries (D-122, docs/design/battle-menus.md): the config's providers fill the active unit's menu in order (movement, the command layout's abilities and items, Pacts, the turn commands, custom ones).

URSEBattleMenuViewModel

Module RSE. One local player's battle menu (D-122, docs/design/battle-menus.md): the host's model and list as this player sees them, plus the menu's own navigation (open category, page, highlight, ring open).

URSEBattleModeOverrideLibrary

Module RSECore. D-182: the battle mode override's data side: reports, resolution and the per-mode copy of an encounter.

URSEBattleModeOverrideSubsystem

Module RSECore. D-182: the session's battle mode override.

URSEBattleScriptEffect

Module RSECore, display name Battle Script Effect. What a scripted battle event changes (D-117).

URSEBattleScriptRunner

Module RSECore. Runs a battle's reinforcements and scripted events (D-117, docs/product/reinforcements.md).

URSEBattleStartGate

Module RSE. The one rule every battle start goes through (D-120): no battle starts over a story scene, a blocking dialog or a custom block.

URSEBattleTransitionSubsystem

Module RSE. Plays the screen transitions between exploration and battles (D-083).

URSEBestiarySubsystem

Module RSECore. The bestiary (D-047): every enemy type met and defeated, saved as section "Bestiary".

URSEBlueprintLibrary_Art

Module RSECore, display name RSEBlueprint Library Art. Portraits and icons for UMG screens (D-075): the same lookups the built-in screens use.

URSEBlueprintLibrary_Audio

Module RSE, display name RSEBlueprint Library Audio. Music, sounds and volumes from Blueprint (D-052).

URSEBlueprintLibrary_Battle

Module RSE, display name RSEBlueprint Library Battle. Battles from Blueprint (D-052): start an encounter from its data asset, find the running battle and its outcome, reach the directors.

URSEBlueprintLibrary_CombatRoles

Module RSECore, display name RSEBlueprint Library Combat Roles. Combat roles for Blueprints and scripts (D-093): definitions, asset roles, suggestions.

URSEBlueprintLibrary_Commands

Module RSECore, display name RSEBlueprint Library Commands. Blueprint access to the command bus, the players, the authority mode and the seeds (D-133).

URSEBlueprintLibrary_ExploreRPG

Module RSECore, display name RSEBlueprint Library Explore RPG. Exploration RPG rules for Blueprints (D-109).

URSEBlueprintLibrary_FollowerLife

Module RSECore, display name RSEBlueprint Library Follower Life. Follower rules for Blueprints (D-129).

URSEBlueprintLibrary_Game

Module RSECore, display name RSEBlueprint Library Game. Game-wide systems from Blueprint (D-052): rules profiles, adaptive difficulty, tutorials, the bestiary and the card collection.

URSEBlueprintLibrary_Growth

Module RSECore, display name RSEBlueprint Library Growth. Progression systems from Blueprint (D-144): the game's system, points, allocations, the board, teachers, mastery and use growth.

URSEBlueprintLibrary_Items

Module RSECore, display name RSEBlueprint Library Items. Items and money from Blueprint (D-052): the shared inventory, money, shop prices and purchases, inns.

URSEBlueprintLibrary_Narrative

Module RSECore, display name RSEBlueprint Library Narrative. Story state from Blueprint (D-052): flags, variables, puzzles, areas and events, conditions and effects, interactions, dialogs and quests.

URSEBlueprintLibrary_Party

Module RSECore, display name RSEBlueprint Library Party. The party from Blueprint (D-052): members and recruitment, the ATB formation, levels and experience, attributes and resources, equipment, field use of abilities and items, and Pacts.

URSEBlueprintLibrary_PartyField

Module RSECore, display name RSEBlueprint Library Party Field. Party field rules for Blueprints (D-097).

URSEBlueprintLibrary_Save

Module RSE, display name RSEBlueprint Library Save. Saving and loading from Blueprint (D-052).

URSEBlueprintLibrary_Stealth

Module RSECore, display name RSEBlueprint Library Stealth. Stealth rules for Blueprints (D-097).

URSEBlueprintLibrary_UI

Module RSE, display name RSEBlueprint Library UI. Screens, input prompts, visual styles and player options from Blueprint (D-052).

URSEBlueprintLibrary_World

Module RSE, display name RSEBlueprint Library World. The world from Blueprint (D-052): travel between maps and fast travel, areas, interaction, puzzles, story scenes, shops and the card table.

URSECameraFocusInterface

Module RSE. RSECamera Focus Interface

URSECameraHandOffLibrary

Module RSE. D-127: hand-overs of the player's view without a visible jump.

URSECameraOcclusionSubsystem

Module RSE. The camera occlusion of the RPG cameras (D-113, D-116, Camera Occlusion settings).

URSECardAlbumViewModel

Module RSE. Card album and deck editor (D-028): owned cards by rarity, the deck (max size by the card rules), add / remove, auto-build and the validation message.

URSECardChallengerComponent

Module RSE. Makes any actor (an NPC, a sign, a table) a card opponent (D-028).

URSECardPresentationSubsystem

Module RSE. Card game director in the world (D-028).

URSECardSubsystem

Module RSECore. Owns the player's card collection for the session and runs matches (D-028).

URSECardTableViewModel

Module RSE. The War card table (D-028): replays a finished match (RSECardTimeline) step by step, then shows the result.

URSECharacterAnimInstance

Module RSE. Animation logic of every character (D-046, CLAUDE.md 3.5), in C++ so Anim Blueprints stay thin: - locomotion values for the blend space (Speed, Direction, bIsMoving), measured from the movement component or, for actors moved directly (grid units, battle cue moves), from their motion; plus the inputs...

URSEClockHUDSubsystem

Module RSE. Shows the HUD clock while exploring in levels that have a Time of Day actor (D-101).

URSECodeLockViewModel

Module RSE. A code lock (D-039): digit, symbol or clock-hand wheels.

URSECombatRoleLibrary

Module RSE. Combat roles of placed objects (D-093): the role of a component, an actor or an asset, the cover information of a hit (for line of sight, cover and movement queries such as Free Tactics' cover query), and whether a place is inside a Combat Area.

URSECommandHandler

Module RSECore. Validates and applies one command type (D-133).

URSECommandSubsystem

Module RSECore. The command bus (D-124 §3.3, D-133): the one path by which player actions change game state, in every mode.

URSECommonUISubsystem

Module RSECommonUI. One local player's CommonUI host layer (D-176, docs/product/common-ui.md).

URSECompanionOrderPolicy

Module RSECore. Who may order which companion in co-op (D-142).

URSECompassView

Module RSE. The compass bar (D-092): cardinal points and ticks turning with the camera, markers at their bearing with the distance in meters and an up / down arrow, faded by distance.

URSECondition_Custom

Module RSECore, display name Custom (Blueprint). A condition written in Blueprint: create a Blueprint class from it, override Is Condition Met and read the game through the "Context" nodes (RPG Saga\|Narrative\|Context) or any other node.

URSECoopEncounterPolicy

Module RSECore. Turns an encounter request into the battle to fight now (D-142).

URSECoopNoticeSubsystem

Module RSE. One path for the co-op notices (D-142, docs/design/networking.md §9): any system calls Notify (one player) or NotifyAll; the presentation router delivers it to the player's machine (RSENet for a remote one), where it shows through the HUD's notification (the quest HUD's notice) and On Notice (for a...

URSECoverProvider

Module RSECore, display name Cover Provider. The pluggable answer to "what cover does this blocker give?" for Free Tactics line of sight and cover (D-091).

URSEDetectionMeterComponent

Module RSE. The detection meter over a visible enemy (D-097): a screen-space bar that fills while the enemy sees or hears the party and turns into "!" when it notices it.

URSEDialogControlPolicy

Module RSECore. Who controls a dialog in co-op (D-094, D-138): "the one who started it speaks, the others watch; story choices by the host, the speaker or a vote".

URSEDialogLayout

Module RSE. How the dialog screen is arranged (P61).

URSEDialogSubsystem

Module RSECore. Owns the dialogs of the game session (dialog-proposal.md 5.2): - one blocking dialog at a time (IsDialogActive: read by input, saving and random encounters) plus barks; - starts dialogs requested by the StartDialog effect (URSENarrativeSubsystem::GetEvents().OnDialogRequested); - defers requests mad...

URSEDialogViewModel

Module RSE. The dialog (dialog-proposal.md 6.2-6.5): blocking dialog box with speaker, portraits, typewriter text, choices, backlog, auto-advance, fast-forward and skip; plus barks and emote balloons.

URSEDifficultySubsystem

Module RSECore. Adaptive difficulty controller (CLAUDE.md 2.8, D-007): one per game session, one value per battle mode.

URSEDoorComponent

Module RSE, display name RSE Door. Door behavior for any actor (D-165, docs/product/components.md): add it with an RSE Interactable component to your own door actor; Interact opens and closes it (a locked one says Interiors -> Locked Door Text), the prompt follows ("Open" / "Close"), and the swinging part (Swing Component: your leaf...

URSEDoorDetectorLibrary

Module RSE. Door detection for Blueprint and Python (D-158).

URSEEffect_Custom

Module RSECore, display name Custom (Blueprint). A custom effect written in Blueprint (D-052): subclass it, override On Apply and use the battle's Blueprint API (resources, attributes, statuses through other effects).

URSEEncounterSubsystem

Module RSE. Random encounters v2 in the world (D-063, docs/design/random-encounters.md): - counts world steps while the explorer walks (rate effect durations, step respawns of visible groups; saved in the World section); - the encounter rate multiplier: party rate effects x equipment traits x the player's frequ...

URSEEquipmentSlotSet

Module RSECore. A preset of character equipment slots (D-126): the classic JRPG set (weapon, off-hand, head, body, two accessories) or the ARPG set (helmet, body armor, hands, legs, feet, main hand, off-hand, two accessories).

URSEExplorationCameraArm

Module RSE. The exploration camera's arm (D-113).

URSEExplorationCameraSubsystem

Module RSE. The exploration camera's shared state (D-113): the style in use (project settings, the level's RSE Exploration Camera actor, or a runtime choice such as an options menu), the tactical camera's values, and the zoom the party leaders share (switching the leader or coming back from a battle keeps the v...

URSEExplorationSubsystem

Module RSE. Hands control from third-person exploration to a battle and back (D-026).

URSEExploreRPGSubsystem

Module RSE. The exploration RPG actions in the world (D-109, docs/design/exploration.md "Explorare RPG"): passive perception of traps by the visible party, "Search here", traps going off on the party and in Free Tactics battles, the lockpick screen, stealing from NPCs, distractions (aim, throw, the enemies come...

URSEExplorerComponent

Module RSE, display name RSE Explorer. Makes any pawn an explorer (D-165, docs/product/components.md): add it to your own character (a Blueprint character keeps its parent class) and the interaction prompt, the Interact key, encounters, stealth and the party systems treat it as the player's explorer.

URSEExplorerPawn

Module RSE. RSE Explorer Pawn

URSEExplorers

Module RSE. The explorer of an actor (D-165): the actor itself when it implements IRSEExplorerPawn, else its component that does (URSEExplorerComponent).

URSEFallRecoverySubsystem

Module RSE. The safety net against gaps in a level's collision (D-112, Exploration settings -> Fall Recovery): on a timer it remembers where each explorer (the leader and the visible party; D-165: any character with IRSEExplorerPawn or an RSE Explorer component) last stood on solid ground, and puts back one tha...

URSEFeatureLibrary

Module RSECore. Blueprint access to the feature toggles, so project code can adapt (hide a button when a system is off).

URSEFitText

Module RSE. UMG wrapper of SRSEFitText: a single line label that ends with "..." instead of being cut (D-106).

URSEFormulaTesterLibrary

Module RSECore. The formula tester (D-166): pick a character, class or archetype, a level and equipment, then see every attribute and derived stat computed step by step (base, formula result, add, percent, multiply, override, clamp, final), with the formula text and the problems highlighted (unknown variable, cycle...

URSEFoundationLibrary

Module RSECore. The Game Foundation API (D-095, docs/design/studio.md section 5 and section 16) for the Studio's foundation wizard and tools.

URSEFreeTacticsBattle

Module RSECore. Headless Free Tactics battle (D-091, docs/design/free-tactics.md): the Tactics rules in free space.

URSEFreeTacticsController

Module RSECore, display name Free Tactics Controller. Who decides for a unit in Free Tactics (D-091): the local player, the AI, later a remote player.

URSEFreeTacticsHUDViewModel

Module RSE. The data and the actions of the Free Tactics battle HUD (D-097, D-052): turn order, the active unit, the command menu (the command menu layout of D-065), the target preview with hit chances and position factors, the path cost, messages and hints.

URSEFreeTacticsQueuedController

Module RSECore, display name Free Tactics Queued Controller. A controller fed from outside (D-097): the local player's input (the Free Tactics director queues what the player chose), later a remote player's messages.

URSEFreeTacticsSimDriver

Module RSE. The server side of a Free Tactics battle (D-141, docs/design/networking.md §3.6): owns the headless battle (URSEFreeTacticsBattle) and runs it on the authority only (single player, the host): the controllers (one queued controller per player, the AI for the enemies and for the units no player plays)...

URSEFreeTacticsSubsystem

Module RSE. Free Tactics on the live map (D-097): starts battles where the party stands (a visible group that noticed the party or was attacked, an encounter, a dev command), gathers who takes part (the group, the enemies called for help, the party members nearby), owns the world's battle director and relays th...

URSEFreeTargetingLibrary

Module RSECore. D-146: the targeting rules for Blueprints (custom HUDs, tutorials).

URSEGASBridgeComponent

Module RSEGAS, display name RSE GAS Bridge. Puts a Gameplay Ability System character into RPG Saga Engine battles (D-169).

URSEGameOverViewModel

Module RSE. Game over (D-031): Retry battle / Load last save / Return to main menu, with the cursor.

URSEGroupTravelPolicy

Module RSE. Who leads the group out of a zone in co-op (D-124 §6.6, D-138).

URSEGroupTravelPresenter

Module RSE. The co-op screens of group travel (D-138 rule, D-142 screens): the host's countdown shows on every player's screen (the destination and the seconds, with how to stay on the host's), its cancel closes them with a notice; a guest who walks into an exit asks the host, who answers a question box ("Playe...

URSEGrowthAllocationPolicy

Module RSECore. Spends a character's points when nobody builds it by hand (D-144): AI-controlled members, autoplay, the battle simulator, Balance My Campaign and the Progression Designer, so balance stays valid under every progression system.

URSEGrowthViewModel

Module RSE. The Growth page (D-144): the selected member's points and the points page (Classic + Points) or the board (Classic + Growth Board), plus mastery and ranks.

URSEHUDLayoutSubsystem

Module RSE. P32d: the screen areas the HUD elements of one local player take (the quest tracker, a minimap a game adds...), so that transient UI (the reward feed's toasts) places itself around them instead of on top of them.

URSEIdleBehavior

Module RSECore. One idle behaviour (D-129): how likely (Weight), how often (Cooldown) and what it does.

URSEInputDeviceSubsystem

Module RSE. Tracks the device in use (keyboard / mouse or gamepad) through a Slate input pre-processor, so key prompts show the labels of that device only (RSEKeyPrompts, D-038 / D-040).

URSEInteractableComponent

Module RSE, display name RSE Interactable. Makes any actor interactable (D-165, docs/product/components.md): add it to your own actor (no parent class needed) and the player's prompt focuses it ("[E] Examine") and the Interact key runs it, exactly as an RSE interactable actor: - a Library Kind (D-150: a chest, a campfire, a lantern, a shrine...

URSEInteractionPromptViewModel

Module RSE. The interaction prompt (D-060): key cap + action ("[E] Talk") above the focused interactable (its prompt point) or at a screen point.

URSEInteractionSubsystem

Module RSE. Routes the explorer's Interact to the interactable in focus and shows the prompt ("[E] Talk").

URSEInteriorCameraSubsystem

Module RSE. The exploration camera inside interiors (D-110): when the local player's explorer enters an Interior Volume, its spring arm, look limits, field of view and (with a fixed angle) the view direction blend to the volume's profile; leaving every volume blends back to what the camera was outside.

URSEInteriorKitData

Module RSECore. A modular interior kit (D-164): pieces of one pack that fit together on a module grid.

URSEInteriorTravelSubsystem

Module RSE. Separate interiors (D-150): the trip from a building entrance of mode Separate Interior into its interior and back.

URSEInventoryPermissionPolicy

Module RSECore. Who may change what (co-op, D-094 / D-124): the host can let guests manage the shared stash and their own characters, or more.

URSEInventorySubsystem

Module RSECore. Inventory commands (D-123) on the command bus (D-137): every move, equip, unequip, use, sort or discard from an inventory screen is a FRSEInventoryCommand, a party command.

URSEInventoryViewModel

Module RSE. The grid inventory presenter (D-123): data and commands of an inventory screen, for any screen style (our grid page, a Widget Blueprint, later a chest or a shop).

URSEKeyPromptProvider

Module RSE. RSE Key Prompt Provider

URSELeashPolicy

Module RSE. The co-op leash rules (D-094, D-142): who is leashed, to what, how far, and when it applies.

URSELeashSubsystem

Module RSE. Keeps the co-op group together (D-094 leash, D-142): on the authority, every Leash Check Interval it measures each leashed player's explorer against the anchor; past the radius the player gets a warning notice (on their machine), and after the grace seconds is brought back beside the anchor.

URSELobbyViewModel

Module RSEOnline. The lobby screen's data and actions (D-135): host / find / join / leave / invite, the found sessions, the players and the local character choice.

URSELocalPlayerUISubsystem

Module RSE. One local player's UI context (D-134, docs/design/networking.md §3.8): its modal screen stack, whether its world actions are blocked, its HUD groups and the focus of its screens.

URSELockpickViewModel

Module RSE. The lockpick screen's data and actions (D-109, D-052): a Widget Blueprint may replace the built-in screen.

URSELootDistributionRule

Module RSECore. Who receives an item the party gained in the Per Character mode (D-143): chests, battle rewards (boss loot included), quest rewards, shop purchases, pick-ups, the Auto-distribute button.

URSEMainMenuViewModel

Module RSE. The title screen and main menu (D-026): the game title, an optional "press any key" state and the [Continue] / New Game / Load / Options / Quit entries (Continue and Load depend on the saves, D-010).

URSEMapBadge

Module RSE. One marker badge (shape, color, glyph) as the maps draw it (D-092): the legend's rows use it.

URSEMapData

Module RSECore. The area map of one level (D-089): the top-down picture Generate Map made, where it lies in the world, and what the designers added by hand (name, regions, markers, hidden categories).

URSEMapMarkerComponent

Module RSE, display name RSE Map Marker. Puts its actor on the area map and the minimap (D-089).

URSEMapMarkerSource

Module RSE. RSEMap Marker Source

URSEMapStyle

Module RSECore. The look of a generated area map (D-089): what Generate Map does to the top-down picture of the level.

URSEMapSubsystem

Module RSECore. The saved state of the area maps (D-089): explored areas (fog of war) and player pins, by map id.

URSEMapView

Module RSE. Draws an area map (D-089): the map picture, fog of war, region names, markers and the player arrow, for any view (center, zoom, rotation), round or square.

URSEMapViewModel

Module RSE. What the map screens show (D-089): the map picture and fog, the player, the markers and the tracked objective.

URSEMapWorldSubsystem

Module RSE. The area map and minimap of a game world (D-089).

URSEMenuExtension

Module RSE. One entry a module or a project adds to the framework's menus without touching them (D-142; RSEOnline adds Host Game, Join Game and Invite this way).

URSEMenuExtensionSubsystem

Module RSE. The menus' extension entries (D-142, an extension point of RSE's front end and in-game menu).

URSEMinimapViewModel

Module RSE. The HUD minimap (D-089): zoom levels, shape and rotation from Map & Minimap settings.

URSEModalScreenSubsystem

Module RSE. Knows which modal screens (menus, dialogs, shops, card table, results...) are open, so the always-on HUD never shows through them (docs/design/ui-theme.md, "Ecrane modale").

URSENPCActivityBehavior

Module RSECore, display name NPC Activity Behavior. A scripted activity (D-173, docs/product/living-npcs.md "Activity behaviours"): what a living NPC does while it stays at its place, beyond an animation.

URSENPCBehaviorComponent

Module RSE, display name Living NPC. A living NPC (D-104, docs/product/living-npcs.md): put it on an RSE NPC (it has one already) or on any actor or pawn.

URSENPCSubsystem

Module RSECore. The living NPCs' story state (D-104, docs/design/exploration.md "NPC-uri vii"): headless, saved (section "NPCs").

URSENPCTalkComponent

Module RSE, display name RSE NPC Talk. Talking NPC behavior for any actor (D-165, docs/product/components.md): add it next to an RSE Interactable component (with a Dialog, an Interaction, or nothing at all) on your own character or actor.

URSENPCWorldSubsystem

Module RSE. The living NPCs of a level (D-104): one place that listens to the clock, the weather and the story overrides and tells every NPC to look at its schedule again (hour, phase, weather: walk there; time skip, load: appear there), and one batch timer that puts NPCs far from the player (or long off screen...

URSENarrativeSubsystem

Module RSECore. Owns the global narrative state for the game session (survives level changes) and the narrative events the presentation listens to.

URSENavSnapshotCapture

Module RSE. Reads a battle area of the world into a navigation snapshot for Free Tactics (D-091, docs/design/free-tactics.md).

URSENetPlayerComponent

Module RSENet. One player of a co-op session (D-124 §3.7, D-140), on the player's APlayerState: its session slot (FRSEPlayerId, 0 = the host), the party member it plays and its admission (play, or watch until the battle ends).

URSENetSubsystem

Module RSENet. The co-op layer of one game instance (D-140, docs/design/networking.md §3, docs/product/coop.md).

URSENightLightComponent

Module RSE, display name Night Light. Turns the lights of its actor on at dusk and off at dawn (D-101): lamps, torches, windows.

URSEOptionsViewModel

Module RSE. The options screen (D-038): tabs Game / Audio / Display / Controls.

URSEPairedAnimationLibrary

Module RSE. The pairs a project can pick from (D-172): finishers, counters, parries, grabs and phase moments, chosen by their conditions and weights.

URSEPairedAnimationLibraryFunctions

Module RSE. Paired animation nodes (D-172).

URSEPaperdollPreview

Module RSE. The picture in the middle of the inventory paperdoll (D-126): the selected party member, live, wearing its equipment.

URSEPartyCommandMenuViewModel

Module RSE. The radial menu's data and actions (D-097, D-052): Widget Blueprints may replace the built-in radial widget.

URSEPartyControlSubsystem

Module RSECore. Owner of who controls each party member in the field (D-097, D-124 §3.7, D-133): the host, a guest, or the companion AI.

URSEPartyFieldSubsystem

Module RSE. The visible party in exploration (D-097, docs/design/coop-pvp.md section 2): spawns the party members behind the leader (Project Settings -> Party Field), keeps who controls whom (FRSEPartyControlState: the local player leads, the others have a companion AI), switches the leader, and performs delega...

URSEPartyMenuViewModel

Module RSE. The party menu (D-024 / D-025, D-039, D-013, D-027 / D-029, D-047, D-038): data of every page and every action that changes the game (use items and abilities, equip, formation, Pacts, quests, key items, help, options, world map).

URSEPartySubsystem

Module RSECore. Owns the player's party state for the whole game session (survives level changes).

URSEPassiveModifier

Module RSECore, display name Passive Modifier. A conditional passive bonus (D-055): while every condition holds (the AI condition classes, e.g.

URSEPlatformUserSubsystem

Module RSECore. The platform user layer (D-170, docs/product/platforms.md).

URSEPlayerProvider

Module RSE. Lists the players of a world for URSEPlayers (D-134).

URSEPlayers

Module RSE. The players registry (D-134, docs/design/networking.md §3.8): the one place RSE asks "who are the players".

URSEPuzzleSubsystem

Module RSECore. The puzzle actions on the authority (D-039, D-138): code attempts and item combinations arrive as commands from any player and are applied here, headless.

URSEQuestPresentationSubsystem

Module RSE. Presents the quest system in game worlds (docs/design/quests.md): creates the quest HUD (tracker + toasts) for the first local player and feeds it from FRSEQuestEvents.

URSEQuestSubsystem

Module RSECore. Runs quests (D-027, docs/design/quests.md) on top of the narrative state and the shared conditions/effects.

URSERPGCameraArm

Module RSE. The spring arm of the RPG cameras (D-113): the tactical exploration camera and the Free Tactics camera.

URSEReconnectViewModel

Module RSE. The reconnect screen (D-170): shown while the primary user's controller is disconnected.

URSEResultsViewModel

Module RSE. Victory results (D-030): rewards, member cards and battle statistics.

URSERewardFeedSubsystem

Module RSE. Presents rewards without a blocking screen (D-128, docs/design/battle-rewards.md).

URSERewardToastProvider

Module RSE. Makes toasts from a battle's rewards (D-128).

URSERulesProfile

Module RSECore. A set of gameplay-rule overrides (D-035, docs/design/rules-profiles.md): e.g.

URSERulesSubsystem

Module RSECore. The game-level rules resolver (D-035): holds the game's active profile (runtime-switchable, saved by id in the "Rules" section) and resolves the profile of a battle (encounter override -> active profile -> global).

URSESaveFlowSubsystem

Module RSE. The save/load user flow in the world (D-010), on top of RSECore's URSESaveSubsystem: - fills GatherLocation (map, save point id or pawn transform, area name); - load: LoadGame applies the save, then opens its map; the exploration game mode calls ApplyPendingLocation when the player spawns there, whi...

URSESaveInteropLibrary

Module RSECore. Save interop (D-165): the state of any RPG Saga Engine save section (narrative flags, dialog, quests, inventory, party, map, time...) as bytes or JSON, so a project that has its own SaveGame can keep our state inside it, and put it back when its game loads.

URSESaveSessionPolicy

Module RSECore. Who may save and load during a co-op session (D-124 §4, D-139), and what a refused player reads.

URSESaveSlotsViewModel

Module RSE. The save / load slot screen (D-010, D-045): one row per slot, autosave first, with thumbnail, area, party, play time, money and date.

URSESaveSubsystem

Module RSECore. Saves and loads the whole game (D-010).

URSESceneOverlayViewModel

Module RSE. The overlay of a story scene (D-043): letterbox bars, the skip key hint and the skip confirmation.

URSEScenePlayerSubsystem

Module RSE. Plays story scenes (D-043, docs/design/scenes.md): URSESceneData assets requested by the Play Scene effect (FRSENarrativeEvents::OnSceneRequested) or directly (PlayScene, the scene trigger, the theater later).

URSESceneSkipPolicy

Module RSE. Who may skip a story scene in co-op (D-094: the host, or a vote).

URSEScreenLayout

Module RSE. Base of the screen layouts (D-162 P61, docs/product/ui-styles.md "Layouts"): one class per arrangement of a screen.

URSEScreenLayoutContext

Module RSE. What a screen hands its layout (D-162 P61): the canvas, the screen's parts by name (built by the screen with the active UI style) and a few helpers to place or group them.

URSEScreenLibrary

Module RSE. Theme, palette, key prompts and UI sounds for Widget Blueprints (D-052).

URSEScreenPresenter

Module RSE. RSE Screen Presenter

URSEScreenViewModel

Module RSE. The data and the actions of one screen, for the screen's widget (D-052, docs/design/umg-screens.md).

URSESeedSource

Module RSECore. The game's source of seeds (D-124 §3.6, D-133): every random roll with an effect on the game draws its seed here instead of FMath::Rand, so a game is reproducible from its world seed (tests, replays) and the host is the only one deciding (co-op).

URSESessionAsyncAction

Module RSEOnline. Latent Blueprint nodes for the session flow (D-135): Host Session, Find Sessions and Join Session with success and failure pins.

URSESessionLibrary

Module RSEOnline. Helpers for session screens.

URSESessionProvider

Module RSEOnline. The one interface between the session flow and an online service (D-135).

URSESessionRulesSubsystem

Module RSECore. Owner of the session's rules of play (D-139).

URSESessionSubsystem

Module RSEOnline. Online sessions for Blueprints and the game (D-135, docs/product/online-sessions.md): Host / Find / Join / Leave, invitations, the lobby (slots, characters, join-in-progress admission) and reconnecting, with the provider chosen in Project Settings -> RPG Saga Engine -> Online.

URSEShopViewModel

Module RSE. The shop (D-042): buy / sell tabs, item categories, the list with prices and stock, the quantity step, the party's money and an equipment comparison per member.

URSESpeakerComponent

Module RSE. Binds an actor to a dialog speaker (dialog-proposal.md 6.6): camera cues frame it, emotes play on it, barks float above it.

URSEStatSourceLibrary

Module RSECore. The registered stat sources (D-169).

URSEStatusBehavior

Module RSECore. What a status does to how its bearer acts (D-167): control effects such as Confuse, Charm and Berserk.

URSEStealthAmbushSubsystem

Module RSE. Stealth ambushes on the live map (D-151): the detection shapes on the ground (ARSEStealthOverlay, local), the takedown and ambush prompts, the Strike and Place keys, the takedowns, placing the members before an ambush, the alarm during the ambush battle and the return to stealth after a silent one.

URSEStealthRules

Module RSECore. D-151: the stealth rules a game may change (Stealth -> Rules Class): takedowns, the noise of battle actions, who answers an alarm, the return to stealth.

URSETacticsHUDViewModel

Module RSE. The Tactics battle HUD (D-021, D-052): turn order and objective, active unit panel, command menu, attack forecast (D-033), path cost label, deployment panel and start confirmation (D-018), log, banner, key prompts.

URSETacticsInputHost

Module RSE. RSE Tactics Input Host

URSETeacherViewModel

Module RSE. The teacher screen (D-144): the lessons (price, requirements), who may learn the selected one, a respec row when the teacher offers it, a Yes / No before paying.

URSETimeControlSubsystem

Module RSE. The only place that pauses the world or changes its time dilation (D-134).

URSETimePolicy

Module RSE. Decides who may stop or slow the whole world (D-134, docs/design/networking.md §3.9).

URSETimeSubsystem

Module RSECore. The game clock and the weather (D-101, docs/design/time-weather.md).

URSETouchActionResolver

Module RSE, display name Custom (Blueprint). Optional custom resolution of a touch action (Blueprint or C++): replaces the source of an action reference.

URSETouchInputSubsystem

Module RSE. "RSE Touch Input" (D-180, docs/product/mobile.md): one local player's touch controls.

URSETravelSubsystem

Module RSE. Zone navigation and fast travel in the world (D-044, docs/design/zones-travel.md).

URSETravelWorldSubsystem

Module RSE. The area side of a game map (D-044): which area the player is in (an ARSEAreaVolume with an Area, else the map's area), its discovery (narrative state), its no-save restriction (a NoSaveZone block, like ARSENoSaveVolume), and the arrival presentation: the fade-in after a travel and the area banner.

URSETraversalComponent

Module RSE. Plays a body's traversal (D-121, docs/design/traversal.md): holds its FRSETraversalState (small, serializable; a replicated property later, D-124) and derives the position and the animation from it, never from input.

URSETraversalKindData

Module RSECore. A kind of traversal (D-121, docs/design/traversal.md): what every ladder, rope, swim area or jump of that kind shares.

URSETraversalLinkKindData

Module RSECore, display name Traversal Link Kind. A link between two standable points (D-121): ladders, ropes, jumps across gaps, vaults over low ledges, controlled drops, zip-lines, rope swings, rope bridges.

URSETraversalMotion

Module RSECore, display name Traversal Motion. How a body moves along a traversal link (D-121, docs/design/traversal.md): pure math on the link's path (its points, from start to end), no world.

URSETraversalMotion_Arc

Module RSECore, display name Arc. A parabola from the first point to the last (the points in between are ignored): jumps, vaults, drops, swings.

URSETraversalSubsystem

Module RSE. Traversal in the world (D-121, docs/design/traversal.md): the single place that validates and applies traversal commands (who takes which link, who starts or stops swimming).

URSETutorialSubsystem

Module RSECore. Contextual tutorials (D-047).

URSETutorialViewModel

Module RSE. A tutorial (D-047): its pages (title, optional picture, text with dialog markup, key prompts of the page's actions).

URSEUIHost

Module RSE. RSE UI Host

URSEUIStyle

Module RSE. A UI style (D-162, docs/product/ui-styles.md): the colors, fonts, frames, rows, controls, gauges, key caps, icons, sounds and motion of every screen built on URSEHUDWidgetBase.

URSEUIStyleLibrary

Module RSE. UI styles in Blueprint (D-162): read colors, fonts and frame brushes of the active style in your own UMG screens, switch styles at runtime.

URSEUIStyleSubsystem

Module RSE. The UI style of one local player (D-162): which style is active, its accessibility options and the resolved style every widget of that player reads.

URSEUnitBubbleComponent

Module RSE. A screen-space speech bubble over a unit (D-117): the "calling for help" icon and bark, the lines of scripted battle events.

URSEUnitStatSource

Module RSECore, display name Unit Stat Source. A system outside the framework that supplies a battle unit's stats (D-169): a GAS character's attribute set (the RPGSagaEngineGAS companion plugin), a buyer's own stat component, a save from another game...

URSEVisualStyleSubsystem

Module RSE. Chooses and applies the visual style of a game world (D-037, docs/design/visual-style.md): area override (the highest-priority ARSEAreaVolume with a VisualStyle containing the player) -> the player's choice (GameUserSettings.ini, by PrimaryAssetId; dev hotkey / console / options) -> URSEVisualStyleS...

URSEWeaponPresentation

Module RSE. How attacks with a weapon look (D-184), in every battle mode (grid, live, ATB, turn-based through the cue timelines; action battles through the combat presentation): the stance's swing or fire animations, the muzzle flash and shell ejection, tracers or projectiles, impacts per surface with decals, t...

URSEWeatherPresenterComponent

Module RSE, display name Weather Presenter. The weather's presentation (D-101): precipitation around the camera (Niagara, the Low systems on Low effects quality), the global material parameters (Wetness, SnowCover, Wind, RainAmount...), weather sounds (SFX channel), lightning and thunder, roofs and no-weather volumes.

URSEWorldEffect_Custom

Module RSECore, display name Custom (Blueprint). An effect written in Blueprint: create a Blueprint class from it, override On Execute and change the game through the "Context" nodes (RPG Saga\|Narrative\|Context: flags, items, party...) or any other node (sounds, actors: the class reports the game's world).

URSEWorldMapViewModel

Module RSE. The world map (D-044): discovered places as markers on a map picture and as a list.

URSEWorldReactionSubsystem

Module RSE. Abilities on the world (D-157): the registry of reactive objects in this world and the one place that applies the World Reactions rules to them: from the party menu (the Cast On World command: checked, paid only when something reacts), from a Free Tactics ability that lands among them (the director...

URSEWorldStreamingSubsystem

Module RSE. World Partition and level streaming support (D-174, docs/design/save-system.md "World Partition").