Files
webeditor3d/src/entities/entity-instances.ts

3041 lines
90 KiB
TypeScript

import { createOpaqueId } from "../core/ids";
import type { Vec3 } from "../core/vector";
import {
areProjectDialoguesEqual,
cloneProjectDialogue,
type ProjectDialogue
} from "../dialogues/project-dialogues";
import { normalizeTimeOfDayHours } from "../document/project-time-settings";
import { isHexColorString } from "../document/world-settings";
import {
mapWorldPointToScenePathProgressBetweenPoints,
resolveNearestPointOnResolvedScenePath,
resolveScenePath,
sampleResolvedScenePathPosition,
type ScenePath
} from "../document/paths";
interface AuthoredEntityState {
id: string;
name?: string;
visible: boolean;
enabled: boolean;
}
interface PositionedEntity extends AuthoredEntityState {
position: Vec3;
}
export interface PointLightEntity extends PositionedEntity {
kind: "pointLight";
colorHex: string;
intensity: number;
distance: number;
}
export interface SpotLightEntity extends PositionedEntity {
kind: "spotLight";
direction: Vec3;
colorHex: string;
intensity: number;
distance: number;
angleDegrees: number;
}
export interface PlayerStartEntity extends PositionedEntity {
kind: "playerStart";
yawDegrees: number;
navigationMode: PlayerStartNavigationMode;
interactionReachMeters: number;
interactionAngleDegrees: number;
allowLookInputTargetSwitch: boolean;
targetButtonCyclesActiveTarget: boolean;
invertMouseCameraHorizontal: boolean;
movementTemplate: PlayerStartMovementTemplate;
inputBindings: PlayerStartInputBindings;
collider: PlayerStartColliderSettings;
}
export interface SceneEntryEntity extends PositionedEntity {
kind: "sceneEntry";
yawDegrees: number;
}
export const CAMERA_RIG_TYPES = ["fixed", "rail"] as const;
export type CameraRigType = (typeof CAMERA_RIG_TYPES)[number];
export const CAMERA_RIG_TARGET_KINDS = [
"player",
"actor",
"entity",
"worldPoint"
] as const;
export type CameraRigTargetKind = (typeof CAMERA_RIG_TARGET_KINDS)[number];
export const CAMERA_RIG_TRANSITION_MODES = ["cut", "blend"] as const;
export type CameraRigTransitionMode =
(typeof CAMERA_RIG_TRANSITION_MODES)[number];
export const CAMERA_RIG_RAIL_PLACEMENT_MODES = [
"nearestToTarget",
"mapTargetBetweenPoints"
] as const;
export type CameraRigRailPlacementMode =
(typeof CAMERA_RIG_RAIL_PLACEMENT_MODES)[number];
export interface CameraRigPlayerTargetRef {
kind: "player";
}
export interface CameraRigActorTargetRef {
kind: "actor";
actorId: string;
}
export interface CameraRigEntityTargetRef {
kind: "entity";
entityId: string;
}
export interface CameraRigWorldPointTargetRef {
kind: "worldPoint";
point: Vec3;
}
export type CameraRigTargetRef =
| CameraRigPlayerTargetRef
| CameraRigActorTargetRef
| CameraRigEntityTargetRef
| CameraRigWorldPointTargetRef;
export interface CameraRigLookAroundSettings {
enabled: boolean;
yawLimitDegrees: number;
pitchLimitDegrees: number;
recenterSpeed: number;
}
export interface CameraRigBaseEntity extends AuthoredEntityState {
kind: "cameraRig";
priority: number;
defaultActive: boolean;
target: CameraRigTargetRef;
targetOffset: Vec3;
transitionMode: CameraRigTransitionMode;
transitionDurationSeconds: number;
lookAround: CameraRigLookAroundSettings;
}
export interface FixedCameraRigEntity
extends PositionedEntity, CameraRigBaseEntity {
rigType: "fixed";
}
interface RailCameraRigBaseEntity extends CameraRigBaseEntity {
rigType: "rail";
pathId: string;
railPlacementMode: CameraRigRailPlacementMode;
}
export interface NearestRailCameraRigEntity extends RailCameraRigBaseEntity {
railPlacementMode: "nearestToTarget";
}
export interface MappedRailCameraRigEntity extends RailCameraRigBaseEntity {
railPlacementMode: "mapTargetBetweenPoints";
trackStartPoint: Vec3;
trackEndPoint: Vec3;
railStartProgress: number;
railEndProgress: number;
}
export type RailCameraRigEntity =
| NearestRailCameraRigEntity
| MappedRailCameraRigEntity;
export type CameraRigEntity = FixedCameraRigEntity | RailCameraRigEntity;
export interface CharacterColliderSettings {
mode: PlayerStartColliderMode;
eyeHeight: number;
capsuleRadius: number;
capsuleHeight: number;
boxSize: Vec3;
}
export interface PlayerStartColliderSettings extends CharacterColliderSettings {}
export interface NpcColliderSettings extends CharacterColliderSettings {}
export const NPC_PRESENCE_MODES = ["always", "timeWindow"] as const;
export type NpcPresenceMode = (typeof NPC_PRESENCE_MODES)[number];
export interface NpcAlwaysPresence {
mode: "always";
}
export interface NpcTimeWindowPresence {
mode: "timeWindow";
startHour: number;
endHour: number;
}
export type NpcPresence = NpcAlwaysPresence | NpcTimeWindowPresence;
export interface NpcEntity extends PositionedEntity {
kind: "npc";
actorId: string;
presence: NpcPresence;
yawDegrees: number;
modelAssetId: string | null;
dialogues: ProjectDialogue[];
defaultDialogueId: string | null;
collider: NpcColliderSettings;
}
export const PLAYER_START_COLLIDER_MODES = ["capsule", "box", "none"] as const;
export type PlayerStartColliderMode =
(typeof PLAYER_START_COLLIDER_MODES)[number];
export const PLAYER_START_NAVIGATION_MODES = [
"firstPerson",
"thirdPerson"
] as const;
export type PlayerStartNavigationMode =
(typeof PLAYER_START_NAVIGATION_MODES)[number];
export const PLAYER_START_MOVEMENT_TEMPLATE_KINDS = [
"default",
"responsive",
"custom"
] as const;
export type PlayerStartMovementTemplateKind =
(typeof PLAYER_START_MOVEMENT_TEMPLATE_KINDS)[number];
export const PLAYER_START_MOVEMENT_ACTIONS = [
"moveForward",
"moveBackward",
"moveLeft",
"moveRight"
] as const;
export type PlayerStartMovementAction =
(typeof PLAYER_START_MOVEMENT_ACTIONS)[number];
export const PLAYER_START_LOCOMOTION_ACTIONS = [
"jump",
"sprint",
"crouch",
"climb"
] as const;
export type PlayerStartLocomotionAction =
(typeof PLAYER_START_LOCOMOTION_ACTIONS)[number];
export const PLAYER_START_SYSTEM_ACTIONS = [
"interact",
"clearTarget",
"pauseTime"
] as const;
export type PlayerStartSystemAction =
(typeof PLAYER_START_SYSTEM_ACTIONS)[number];
export type PlayerStartInputAction =
| PlayerStartMovementAction
| PlayerStartLocomotionAction
| PlayerStartSystemAction;
export type PlayerStartKeyboardBindingCode = string;
export const PLAYER_START_MOUSE_BINDING_CODES = [
"MouseLeft",
"MouseMiddle",
"MouseRight",
"MouseBack",
"MouseForward"
] as const;
export type PlayerStartMouseBindingCode =
(typeof PLAYER_START_MOUSE_BINDING_CODES)[number];
export const PLAYER_START_GAMEPAD_BINDINGS = [
"leftStickUp",
"leftStickDown",
"leftStickLeft",
"leftStickRight",
"dpadUp",
"dpadDown",
"dpadLeft",
"dpadRight"
] as const;
export type PlayerStartGamepadBinding =
(typeof PLAYER_START_GAMEPAD_BINDINGS)[number];
export const PLAYER_START_GAMEPAD_ACTION_BINDINGS = [
"buttonSouth",
"buttonEast",
"buttonWest",
"buttonNorth",
"buttonMenu",
"leftShoulder",
"rightShoulder",
"leftTrigger",
"rightTrigger",
"leftStickPress",
"rightStickPress"
] as const;
export type PlayerStartGamepadActionBinding =
(typeof PLAYER_START_GAMEPAD_ACTION_BINDINGS)[number];
export const PLAYER_START_GAMEPAD_CAMERA_LOOK_BINDINGS = [
"rightStick"
] as const;
export type PlayerStartGamepadCameraLookBinding =
(typeof PLAYER_START_GAMEPAD_CAMERA_LOOK_BINDINGS)[number];
export interface PlayerStartKeyboardBindings {
moveForward: PlayerStartKeyboardBindingCode;
moveBackward: PlayerStartKeyboardBindingCode;
moveLeft: PlayerStartKeyboardBindingCode;
moveRight: PlayerStartKeyboardBindingCode;
jump: PlayerStartKeyboardBindingCode;
sprint: PlayerStartKeyboardBindingCode;
crouch: PlayerStartKeyboardBindingCode;
climb: PlayerStartKeyboardBindingCode;
interact: PlayerStartKeyboardBindingCode;
clearTarget: PlayerStartKeyboardBindingCode;
pauseTime: PlayerStartKeyboardBindingCode;
}
export interface PlayerStartGamepadBindings {
moveForward: PlayerStartGamepadBinding;
moveBackward: PlayerStartGamepadBinding;
moveLeft: PlayerStartGamepadBinding;
moveRight: PlayerStartGamepadBinding;
jump: PlayerStartGamepadActionBinding;
sprint: PlayerStartGamepadActionBinding;
crouch: PlayerStartGamepadActionBinding;
climb: PlayerStartGamepadActionBinding;
interact: PlayerStartGamepadActionBinding;
clearTarget: PlayerStartGamepadActionBinding;
pauseTime: PlayerStartGamepadActionBinding;
cameraLook: PlayerStartGamepadCameraLookBinding;
}
export interface PlayerStartInputBindings {
keyboard: PlayerStartKeyboardBindings;
gamepad: PlayerStartGamepadBindings;
}
export interface PlayerStartInputBindingOverrides {
keyboard?: Partial<PlayerStartKeyboardBindings>;
gamepad?: Partial<PlayerStartGamepadBindings>;
}
export interface PlayerStartMovementCapabilities {
jump: boolean;
sprint: boolean;
crouch: boolean;
}
export interface PlayerStartJumpSettings {
speed: number;
bufferMs: number;
coyoteTimeMs: number;
variableHeight: boolean;
maxHoldMs: number;
moveWhileJumping: boolean;
moveWhileFalling: boolean;
directionOnly: boolean;
bunnyHop: boolean;
bunnyHopBoost: number;
}
export interface PlayerStartSprintSettings {
speedMultiplier: number;
}
export interface PlayerStartCrouchSettings {
speedMultiplier: number;
}
export interface PlayerStartMovementTemplate {
kind: PlayerStartMovementTemplateKind;
moveSpeed: number;
maxSpeed: number;
maxStepHeight: number;
capabilities: PlayerStartMovementCapabilities;
jump: PlayerStartJumpSettings;
sprint: PlayerStartSprintSettings;
crouch: PlayerStartCrouchSettings;
}
export interface PlayerStartMovementTemplateOverrides {
kind?: PlayerStartMovementTemplateKind;
moveSpeed?: number;
maxSpeed?: number;
maxStepHeight?: number;
capabilities?: Partial<PlayerStartMovementCapabilities>;
jump?: Partial<PlayerStartJumpSettings>;
sprint?: Partial<PlayerStartSprintSettings>;
crouch?: Partial<PlayerStartCrouchSettings>;
}
export interface SoundEmitterEntity extends PositionedEntity {
kind: "soundEmitter";
audioAssetId: string | null;
volume: number;
refDistance: number;
maxDistance: number;
autoplay: boolean;
loop: boolean;
}
export interface TriggerVolumeEntity extends PositionedEntity {
kind: "triggerVolume";
size: Vec3;
triggerOnEnter: boolean;
triggerOnExit: boolean;
}
export interface TeleportTargetEntity extends PositionedEntity {
kind: "teleportTarget";
yawDegrees: number;
}
export interface InteractableEntity extends PositionedEntity {
kind: "interactable";
radius: number;
prompt: string;
interactionEnabled: boolean;
}
export type EntityInstance =
| PointLightEntity
| SpotLightEntity
| PlayerStartEntity
| CameraRigEntity
| SceneEntryEntity
| NpcEntity
| SoundEmitterEntity
| TriggerVolumeEntity
| TeleportTargetEntity
| InteractableEntity;
export type EntityKind = EntityInstance["kind"];
export interface EntityRegistryEntry<
T extends EntityInstance = EntityInstance
> {
kind: T["kind"];
label: string;
description: string;
createDefaultEntity(overrides?: Partial<T>): T;
}
export const ENTITY_KIND_ORDER = [
"pointLight",
"spotLight",
"playerStart",
"cameraRig",
"sceneEntry",
"npc",
"soundEmitter",
"triggerVolume",
"teleportTarget",
"interactable"
] as const;
export const DEFAULT_POINT_LIGHT_POSITION: Vec3 = {
x: 0,
y: 0,
z: 0
};
export const DEFAULT_POINT_LIGHT_COLOR_HEX = "#ffffff";
export const DEFAULT_POINT_LIGHT_INTENSITY = 1.25;
export const DEFAULT_POINT_LIGHT_DISTANCE = 8;
export const DEFAULT_SPOT_LIGHT_POSITION: Vec3 = {
x: 0,
y: 0,
z: 0
};
export const DEFAULT_SPOT_LIGHT_DIRECTION: Vec3 = {
x: 0,
y: -1,
z: 0
};
export const DEFAULT_SPOT_LIGHT_COLOR_HEX = "#ffffff";
export const DEFAULT_SPOT_LIGHT_INTENSITY = 1.5;
export const DEFAULT_SPOT_LIGHT_DISTANCE = 12;
export const DEFAULT_SPOT_LIGHT_ANGLE_DEGREES = 35;
export const DEFAULT_ENTITY_POSITION: Vec3 = {
x: 0,
y: 0,
z: 0
};
export const DEFAULT_ENTITY_VISIBLE = true;
export const DEFAULT_ENTITY_ENABLED = true;
export const DEFAULT_PLAYER_START_POSITION = DEFAULT_ENTITY_POSITION;
export const DEFAULT_PLAYER_START_YAW_DEGREES = 0;
export const DEFAULT_CAMERA_RIG_PRIORITY = 0;
export const DEFAULT_CAMERA_RIG_DEFAULT_ACTIVE = true;
export const DEFAULT_CAMERA_RIG_TARGET_OFFSET: Vec3 = {
x: 0,
y: 1.4,
z: 0
};
export const DEFAULT_CAMERA_RIG_TRANSITION_MODE: CameraRigTransitionMode =
"blend";
export const DEFAULT_CAMERA_RIG_TRANSITION_DURATION_SECONDS = 0.35;
export const DEFAULT_CAMERA_RIG_RAIL_PLACEMENT_MODE: CameraRigRailPlacementMode =
"nearestToTarget";
export const DEFAULT_CAMERA_RIG_TRACK_START_POINT: Vec3 =
DEFAULT_ENTITY_POSITION;
export const DEFAULT_CAMERA_RIG_TRACK_END_POINT: Vec3 = {
x: 1,
y: 0,
z: 0
};
export const DEFAULT_CAMERA_RIG_RAIL_START_PROGRESS = 0;
export const DEFAULT_CAMERA_RIG_RAIL_END_PROGRESS = 1;
export const DEFAULT_CAMERA_RIG_LOOK_AROUND_ENABLED = true;
export const DEFAULT_CAMERA_RIG_LOOK_AROUND_YAW_LIMIT_DEGREES = 12;
export const DEFAULT_CAMERA_RIG_LOOK_AROUND_PITCH_LIMIT_DEGREES = 8;
export const DEFAULT_CAMERA_RIG_LOOK_AROUND_RECENTER_SPEED = 3.5;
export const DEFAULT_PLAYER_START_NAVIGATION_MODE: PlayerStartNavigationMode =
"firstPerson";
export const DEFAULT_PLAYER_START_MOVEMENT_TEMPLATE_KIND: PlayerStartMovementTemplateKind =
"default";
export const DEFAULT_PLAYER_START_MOVE_SPEED = 4.5;
export const DEFAULT_PLAYER_START_MAX_SPEED = 0;
export const DEFAULT_PLAYER_START_MAX_STEP_HEIGHT = 0.35;
export const DEFAULT_PLAYER_START_JUMP_SPEED = 7.2;
export const DEFAULT_PLAYER_START_JUMP_BUFFER_MS = 0;
export const DEFAULT_PLAYER_START_COYOTE_TIME_MS = 0;
export const DEFAULT_PLAYER_START_VARIABLE_JUMP_HEIGHT = false;
export const DEFAULT_PLAYER_START_VARIABLE_JUMP_MAX_HOLD_MS = 160;
export const DEFAULT_PLAYER_START_MOVE_WHILE_JUMPING = true;
export const DEFAULT_PLAYER_START_MOVE_WHILE_FALLING = true;
export const DEFAULT_PLAYER_START_AIR_DIRECTION_ONLY = false;
export const DEFAULT_PLAYER_START_BUNNY_HOP = false;
export const DEFAULT_PLAYER_START_BUNNY_HOP_BOOST = 0.05;
export const DEFAULT_PLAYER_START_SPRINT_SPEED_MULTIPLIER = 1.65;
export const DEFAULT_PLAYER_START_CROUCH_SPEED_MULTIPLIER = 0.45;
export const DEFAULT_PLAYER_START_MOVEMENT_CAPABILITIES: PlayerStartMovementCapabilities =
{
jump: true,
sprint: true,
crouch: true
};
export const DEFAULT_PLAYER_START_JUMP_SETTINGS: PlayerStartJumpSettings = {
speed: DEFAULT_PLAYER_START_JUMP_SPEED,
bufferMs: DEFAULT_PLAYER_START_JUMP_BUFFER_MS,
coyoteTimeMs: DEFAULT_PLAYER_START_COYOTE_TIME_MS,
variableHeight: DEFAULT_PLAYER_START_VARIABLE_JUMP_HEIGHT,
maxHoldMs: DEFAULT_PLAYER_START_VARIABLE_JUMP_MAX_HOLD_MS,
moveWhileJumping: DEFAULT_PLAYER_START_MOVE_WHILE_JUMPING,
moveWhileFalling: DEFAULT_PLAYER_START_MOVE_WHILE_FALLING,
directionOnly: DEFAULT_PLAYER_START_AIR_DIRECTION_ONLY,
bunnyHop: DEFAULT_PLAYER_START_BUNNY_HOP,
bunnyHopBoost: DEFAULT_PLAYER_START_BUNNY_HOP_BOOST
};
export const DEFAULT_PLAYER_START_SPRINT_SETTINGS: PlayerStartSprintSettings = {
speedMultiplier: DEFAULT_PLAYER_START_SPRINT_SPEED_MULTIPLIER
};
export const DEFAULT_PLAYER_START_CROUCH_SETTINGS: PlayerStartCrouchSettings = {
speedMultiplier: DEFAULT_PLAYER_START_CROUCH_SPEED_MULTIPLIER
};
export const RESPONSIVE_PLAYER_START_JUMP_BUFFER_MS = 120;
export const RESPONSIVE_PLAYER_START_COYOTE_TIME_MS = 120;
export const RESPONSIVE_PLAYER_START_VARIABLE_JUMP_MAX_HOLD_MS = 180;
export const RESPONSIVE_PLAYER_START_JUMP_SETTINGS: PlayerStartJumpSettings = {
speed: DEFAULT_PLAYER_START_JUMP_SPEED,
bufferMs: RESPONSIVE_PLAYER_START_JUMP_BUFFER_MS,
coyoteTimeMs: RESPONSIVE_PLAYER_START_COYOTE_TIME_MS,
variableHeight: true,
maxHoldMs: RESPONSIVE_PLAYER_START_VARIABLE_JUMP_MAX_HOLD_MS,
moveWhileJumping: DEFAULT_PLAYER_START_MOVE_WHILE_JUMPING,
moveWhileFalling: DEFAULT_PLAYER_START_MOVE_WHILE_FALLING,
directionOnly: DEFAULT_PLAYER_START_AIR_DIRECTION_ONLY,
bunnyHop: DEFAULT_PLAYER_START_BUNNY_HOP,
bunnyHopBoost: DEFAULT_PLAYER_START_BUNNY_HOP_BOOST
};
export const DEFAULT_PLAYER_START_KEYBOARD_BINDINGS: PlayerStartKeyboardBindings =
{
moveForward: "KeyW",
moveBackward: "KeyS",
moveLeft: "KeyA",
moveRight: "KeyD",
jump: "Space",
sprint: "ShiftLeft",
crouch: "ControlLeft",
climb: "KeyE",
interact: "MouseLeft",
clearTarget: "KeyQ",
pauseTime: "KeyP"
};
export const DEFAULT_PLAYER_START_GAMEPAD_BINDINGS: PlayerStartGamepadBindings =
{
moveForward: "leftStickUp",
moveBackward: "leftStickDown",
moveLeft: "leftStickLeft",
moveRight: "leftStickRight",
jump: "buttonSouth",
sprint: "leftStickPress",
crouch: "buttonEast",
climb: "rightShoulder",
interact: "buttonWest",
clearTarget: "buttonNorth",
pauseTime: "buttonMenu",
cameraLook: "rightStick"
};
export const DEFAULT_SCENE_ENTRY_YAW_DEGREES = 0;
export const DEFAULT_NPC_YAW_DEGREES = 0;
export const DEFAULT_NPC_MODEL_ASSET_ID: string | null = null;
export const DEFAULT_NPC_DIALOGUE_ID: string | null = null;
export const DEFAULT_NPC_COLLIDER_MODE: PlayerStartColliderMode = "capsule";
export const DEFAULT_NPC_TIME_WINDOW_START_HOUR = 9;
export const DEFAULT_NPC_TIME_WINDOW_END_HOUR = 17;
export const DEFAULT_PLAYER_START_COLLIDER_MODE: PlayerStartColliderMode =
"capsule";
export const DEFAULT_PLAYER_START_EYE_HEIGHT = 1.6;
export const DEFAULT_PLAYER_START_CAPSULE_RADIUS = 0.3;
export const DEFAULT_PLAYER_START_CAPSULE_HEIGHT = 1.8;
export const DEFAULT_PLAYER_START_INTERACTION_REACH_METERS = 1.5;
export const DEFAULT_PLAYER_START_INTERACTION_ANGLE_DEGREES = 30;
export const DEFAULT_PLAYER_START_ALLOW_LOOK_INPUT_TARGET_SWITCH = true;
export const DEFAULT_PLAYER_START_TARGET_BUTTON_CYCLES_ACTIVE_TARGET = false;
export const DEFAULT_PLAYER_START_INVERT_MOUSE_CAMERA_HORIZONTAL = false;
export const DEFAULT_PLAYER_START_BOX_SIZE: Vec3 = {
x: 0.6,
y: 1.8,
z: 0.6
};
export const DEFAULT_SOUND_EMITTER_AUDIO_ASSET_ID: string | null = null;
export const DEFAULT_SOUND_EMITTER_VOLUME = 1;
export const DEFAULT_SOUND_EMITTER_GAIN = DEFAULT_SOUND_EMITTER_VOLUME;
export const DEFAULT_SOUND_EMITTER_REF_DISTANCE = 6;
export const DEFAULT_SOUND_EMITTER_RADIUS = DEFAULT_SOUND_EMITTER_REF_DISTANCE;
export const DEFAULT_SOUND_EMITTER_MAX_DISTANCE = 24;
export const DEFAULT_TRIGGER_VOLUME_SIZE: Vec3 = {
x: 2,
y: 2,
z: 2
};
export const DEFAULT_TELEPORT_TARGET_YAW_DEGREES = 0;
export const DEFAULT_INTERACTABLE_RADIUS = 1.5;
export const DEFAULT_INTERACTABLE_PROMPT = "Use";
function cloneVec3(vector: Vec3): Vec3 {
return {
x: vector.x,
y: vector.y,
z: vector.z
};
}
function areVec3Equal(left: Vec3, right: Vec3): boolean {
return left.x === right.x && left.y === right.y && left.z === right.z;
}
function assertFiniteVec3(vector: Vec3, label: string) {
if (
!Number.isFinite(vector.x) ||
!Number.isFinite(vector.y) ||
!Number.isFinite(vector.z)
) {
throw new Error(`${label} must be finite on every axis.`);
}
}
function assertPositiveFiniteNumber(value: number, label: string) {
if (!Number.isFinite(value) || value <= 0) {
throw new Error(`${label} must be a finite number greater than zero.`);
}
}
function assertPositiveFiniteVec3(vector: Vec3, label: string) {
assertFiniteVec3(vector, label);
if (vector.x <= 0 || vector.y <= 0 || vector.z <= 0) {
throw new Error(`${label} must remain positive on every axis.`);
}
}
function assertNonNegativeFiniteNumber(value: number, label: string) {
if (!Number.isFinite(value) || value < 0) {
throw new Error(
`${label} must be a finite number greater than or equal to zero.`
);
}
}
function assertHexColorString(value: string, label: string) {
if (!isHexColorString(value)) {
throw new Error(`${label} must use #RRGGBB format.`);
}
}
function assertNonZeroVec3(vector: Vec3, label: string) {
if (vector.x === 0 && vector.y === 0 && vector.z === 0) {
throw new Error(`${label} must not be the zero vector.`);
}
}
function assertBoolean(value: boolean, label: string) {
if (typeof value !== "boolean") {
throw new Error(`${label} must be a boolean.`);
}
}
export function isPlayerStartColliderMode(
value: string
): value is PlayerStartColliderMode {
return PLAYER_START_COLLIDER_MODES.includes(value as PlayerStartColliderMode);
}
export function isPlayerStartNavigationMode(
value: string
): value is PlayerStartNavigationMode {
return PLAYER_START_NAVIGATION_MODES.includes(
value as PlayerStartNavigationMode
);
}
export function isCameraRigType(value: string): value is CameraRigType {
return CAMERA_RIG_TYPES.includes(value as CameraRigType);
}
export function isCameraRigTargetKind(
value: unknown
): value is CameraRigTargetKind {
return (
typeof value === "string" &&
CAMERA_RIG_TARGET_KINDS.includes(value as CameraRigTargetKind)
);
}
export function isCameraRigTransitionMode(
value: string
): value is CameraRigTransitionMode {
return CAMERA_RIG_TRANSITION_MODES.includes(value as CameraRigTransitionMode);
}
export function isCameraRigRailPlacementMode(
value: unknown
): value is CameraRigRailPlacementMode {
return (
typeof value === "string" &&
CAMERA_RIG_RAIL_PLACEMENT_MODES.includes(
value as CameraRigRailPlacementMode
)
);
}
export function isPlayerStartKeyboardBindingCode(
value: unknown
): value is PlayerStartKeyboardBindingCode {
return typeof value === "string" && value.trim().length > 0;
}
export function isPlayerStartMouseBindingCode(
value: string
): value is PlayerStartMouseBindingCode {
return PLAYER_START_MOUSE_BINDING_CODES.includes(
value as PlayerStartMouseBindingCode
);
}
export function getPlayerStartMouseBindingCodeForButton(
button: number
): PlayerStartMouseBindingCode | null {
switch (button) {
case 0:
return "MouseLeft";
case 1:
return "MouseMiddle";
case 2:
return "MouseRight";
case 3:
return "MouseBack";
case 4:
return "MouseForward";
default:
return null;
}
}
export function isPlayerStartGamepadBinding(
value: string
): value is PlayerStartGamepadBinding {
return PLAYER_START_GAMEPAD_BINDINGS.includes(
value as PlayerStartGamepadBinding
);
}
export function isPlayerStartGamepadActionBinding(
value: string
): value is PlayerStartGamepadActionBinding {
return PLAYER_START_GAMEPAD_ACTION_BINDINGS.includes(
value as PlayerStartGamepadActionBinding
);
}
export function isPlayerStartGamepadCameraLookBinding(
value: string
): value is PlayerStartGamepadCameraLookBinding {
return PLAYER_START_GAMEPAD_CAMERA_LOOK_BINDINGS.includes(
value as PlayerStartGamepadCameraLookBinding
);
}
function cloneCharacterColliderSettings(
settings: CharacterColliderSettings
): CharacterColliderSettings {
return {
mode: settings.mode,
eyeHeight: settings.eyeHeight,
capsuleRadius: settings.capsuleRadius,
capsuleHeight: settings.capsuleHeight,
boxSize: cloneVec3(settings.boxSize)
};
}
export function clonePlayerStartColliderSettings(
settings: PlayerStartColliderSettings
): PlayerStartColliderSettings {
return cloneCharacterColliderSettings(settings);
}
export function cloneNpcColliderSettings(
settings: NpcColliderSettings
): NpcColliderSettings {
return cloneCharacterColliderSettings(settings);
}
function normalizeCameraRigTargetActorId(actorId: string): string {
const normalizedActorId = actorId.trim();
if (normalizedActorId.length === 0) {
throw new Error(
"Camera Rig actor targets must reference a non-empty actor id."
);
}
return normalizedActorId;
}
function normalizeCameraRigTargetEntityId(entityId: string): string {
const normalizedEntityId = entityId.trim();
if (normalizedEntityId.length === 0) {
throw new Error(
"Camera Rig entity targets must reference a non-empty entity id."
);
}
return normalizedEntityId;
}
function normalizeCameraRigPathId(pathId: string | undefined): string {
if (pathId === undefined) {
return "";
}
return pathId.trim();
}
export function createCameraRigPlayerTargetRef(): CameraRigPlayerTargetRef {
return {
kind: "player"
};
}
export function createCameraRigActorTargetRef(
actorId: string
): CameraRigActorTargetRef {
return {
kind: "actor",
actorId: normalizeCameraRigTargetActorId(actorId)
};
}
export function createCameraRigEntityTargetRef(
entityId: string
): CameraRigEntityTargetRef {
return {
kind: "entity",
entityId: normalizeCameraRigTargetEntityId(entityId)
};
}
export function createCameraRigWorldPointTargetRef(
point: Vec3 = DEFAULT_ENTITY_POSITION
): CameraRigWorldPointTargetRef {
const normalizedPoint = cloneVec3(point);
assertFiniteVec3(normalizedPoint, "Camera Rig world-point target");
return {
kind: "worldPoint",
point: normalizedPoint
};
}
export function cloneCameraRigTargetRef(
target: CameraRigTargetRef
): CameraRigTargetRef {
switch (target.kind) {
case "player":
return createCameraRigPlayerTargetRef();
case "actor":
return createCameraRigActorTargetRef(target.actorId);
case "entity":
return createCameraRigEntityTargetRef(target.entityId);
case "worldPoint":
return createCameraRigWorldPointTargetRef(target.point);
}
}
function normalizeCameraRigTargetRef(
target: CameraRigTargetRef | undefined
): CameraRigTargetRef {
if (target === undefined) {
return createCameraRigPlayerTargetRef();
}
return cloneCameraRigTargetRef(target);
}
export function areCameraRigTargetRefsEqual(
left: CameraRigTargetRef,
right: CameraRigTargetRef
): boolean {
if (left.kind !== right.kind) {
return false;
}
switch (left.kind) {
case "player":
return true;
case "actor":
return right.kind === "actor" && left.actorId === right.actorId;
case "entity":
return right.kind === "entity" && left.entityId === right.entityId;
case "worldPoint":
return (
right.kind === "worldPoint" && areVec3Equal(left.point, right.point)
);
}
}
export function createCameraRigLookAroundSettings(
overrides: Partial<CameraRigLookAroundSettings> = {}
): CameraRigLookAroundSettings {
const enabled = overrides.enabled ?? DEFAULT_CAMERA_RIG_LOOK_AROUND_ENABLED;
const yawLimitDegrees =
overrides.yawLimitDegrees ??
DEFAULT_CAMERA_RIG_LOOK_AROUND_YAW_LIMIT_DEGREES;
const pitchLimitDegrees =
overrides.pitchLimitDegrees ??
DEFAULT_CAMERA_RIG_LOOK_AROUND_PITCH_LIMIT_DEGREES;
const recenterSpeed =
overrides.recenterSpeed ?? DEFAULT_CAMERA_RIG_LOOK_AROUND_RECENTER_SPEED;
assertBoolean(enabled, "Camera Rig look-around enabled");
assertNonNegativeFiniteNumber(
yawLimitDegrees,
"Camera Rig look-around yaw limit"
);
assertNonNegativeFiniteNumber(
pitchLimitDegrees,
"Camera Rig look-around pitch limit"
);
assertNonNegativeFiniteNumber(
recenterSpeed,
"Camera Rig look-around recenter speed"
);
return {
enabled,
yawLimitDegrees,
pitchLimitDegrees,
recenterSpeed
};
}
export function cloneCameraRigLookAroundSettings(
settings: CameraRigLookAroundSettings
): CameraRigLookAroundSettings {
return createCameraRigLookAroundSettings(settings);
}
export function areCameraRigLookAroundSettingsEqual(
left: CameraRigLookAroundSettings,
right: CameraRigLookAroundSettings
): boolean {
return (
left.enabled === right.enabled &&
left.yawLimitDegrees === right.yawLimitDegrees &&
left.pitchLimitDegrees === right.pitchLimitDegrees &&
left.recenterSpeed === right.recenterSpeed
);
}
function getPrimaryCameraRigDocumentPlayerTarget(
entities: Record<string, EntityInstance>
): PlayerStartEntity | null {
return (
getPrimaryEnabledPlayerStartEntity(entities) ??
getPrimaryPlayerStartEntity(entities)
);
}
export function resolveCameraRigDocumentTargetPosition(
target: CameraRigTargetRef,
entities: Record<string, EntityInstance>
): Vec3 | null {
switch (target.kind) {
case "player":
return (
getPrimaryCameraRigDocumentPlayerTarget(entities)?.position ?? null
);
case "actor": {
const enabledNpc =
getEntityInstances(entities).find(
(entity): entity is NpcEntity =>
entity.kind === "npc" &&
entity.enabled &&
entity.actorId === target.actorId
) ?? null;
const fallbackNpc =
enabledNpc ??
getEntityInstances(entities).find(
(entity): entity is NpcEntity =>
entity.kind === "npc" && entity.actorId === target.actorId
) ??
null;
return fallbackNpc === null ? null : cloneVec3(fallbackNpc.position);
}
case "entity": {
const entity = entities[target.entityId] ?? null;
if (entity === null || entity.kind === "cameraRig") {
return null;
}
return cloneVec3(entity.position);
}
case "worldPoint":
return cloneVec3(target.point);
}
}
export function resolveCameraRigDocumentPosition(
rig: CameraRigEntity,
entities: Record<string, EntityInstance>,
paths: Record<string, ScenePath>,
options: { fallbackToPathStart?: boolean } = {}
): Vec3 | null {
switch (rig.rigType) {
case "fixed":
return cloneVec3(rig.position);
case "rail": {
const path = paths[rig.pathId] ?? null;
if (path === null) {
return null;
}
const resolvedPath = resolveScenePath(path);
const baseTarget = resolveCameraRigDocumentTargetPosition(
rig.target,
entities
);
if (baseTarget === null) {
if (options.fallbackToPathStart !== true) {
return null;
}
return rig.railPlacementMode === "mapTargetBetweenPoints"
? sampleResolvedScenePathPosition(resolvedPath, rig.railStartProgress)
: resolvedPath.points.length > 0
? cloneVec3(resolvedPath.points[0]!.position)
: null;
}
if (rig.railPlacementMode === "mapTargetBetweenPoints") {
const mappedProgress = mapWorldPointToScenePathProgressBetweenPoints({
point: baseTarget,
trackStartPoint: rig.trackStartPoint,
trackEndPoint: rig.trackEndPoint,
railStartProgress: rig.railStartProgress,
railEndProgress: rig.railEndProgress
});
return sampleResolvedScenePathPosition(
resolvedPath,
mappedProgress.railProgress
);
}
return resolveNearestPointOnResolvedScenePath(resolvedPath, baseTarget)
.position;
}
}
}
export function resolveCameraRigDocumentLookTarget(
rig: Pick<CameraRigBaseEntity, "target" | "targetOffset">,
entities: Record<string, EntityInstance>
): Vec3 | null {
const baseTarget = resolveCameraRigDocumentTargetPosition(
rig.target,
entities
);
if (baseTarget === null) {
return null;
}
return {
x: baseTarget.x + rig.targetOffset.x,
y: baseTarget.y + rig.targetOffset.y,
z: baseTarget.z + rig.targetOffset.z
};
}
function clonePlayerStartMovementCapabilities(
capabilities: PlayerStartMovementCapabilities
): PlayerStartMovementCapabilities {
return {
jump: capabilities.jump,
sprint: capabilities.sprint,
crouch: capabilities.crouch
};
}
function clonePlayerStartJumpSettings(
settings: PlayerStartJumpSettings
): PlayerStartJumpSettings {
return {
speed: settings.speed,
bufferMs: settings.bufferMs,
coyoteTimeMs: settings.coyoteTimeMs,
variableHeight: settings.variableHeight,
maxHoldMs: settings.maxHoldMs,
moveWhileJumping: settings.moveWhileJumping,
moveWhileFalling: settings.moveWhileFalling,
directionOnly: settings.directionOnly,
bunnyHop: settings.bunnyHop,
bunnyHopBoost: settings.bunnyHopBoost
};
}
function clonePlayerStartSprintSettings(
settings: PlayerStartSprintSettings
): PlayerStartSprintSettings {
return {
speedMultiplier: settings.speedMultiplier
};
}
function clonePlayerStartCrouchSettings(
settings: PlayerStartCrouchSettings
): PlayerStartCrouchSettings {
return {
speedMultiplier: settings.speedMultiplier
};
}
export function clonePlayerStartMovementTemplate(
template: PlayerStartMovementTemplate
): PlayerStartMovementTemplate {
return {
kind: template.kind,
moveSpeed: template.moveSpeed,
maxSpeed: template.maxSpeed,
maxStepHeight: template.maxStepHeight,
capabilities: clonePlayerStartMovementCapabilities(template.capabilities),
jump: clonePlayerStartJumpSettings(template.jump),
sprint: clonePlayerStartSprintSettings(template.sprint),
crouch: clonePlayerStartCrouchSettings(template.crouch)
};
}
export function clonePlayerStartInputBindings(
bindings: PlayerStartInputBindings
): PlayerStartInputBindings {
return {
keyboard: {
moveForward: bindings.keyboard.moveForward,
moveBackward: bindings.keyboard.moveBackward,
moveLeft: bindings.keyboard.moveLeft,
moveRight: bindings.keyboard.moveRight,
jump: bindings.keyboard.jump,
sprint: bindings.keyboard.sprint,
crouch: bindings.keyboard.crouch,
climb: bindings.keyboard.climb,
interact: bindings.keyboard.interact,
clearTarget: bindings.keyboard.clearTarget,
pauseTime: bindings.keyboard.pauseTime
},
gamepad: {
moveForward: bindings.gamepad.moveForward,
moveBackward: bindings.gamepad.moveBackward,
moveLeft: bindings.gamepad.moveLeft,
moveRight: bindings.gamepad.moveRight,
jump: bindings.gamepad.jump,
sprint: bindings.gamepad.sprint,
crouch: bindings.gamepad.crouch,
climb: bindings.gamepad.climb,
interact: bindings.gamepad.interact,
clearTarget: bindings.gamepad.clearTarget,
pauseTime: bindings.gamepad.pauseTime,
cameraLook: bindings.gamepad.cameraLook
}
};
}
export function createPlayerStartInputBindings(
overrides: PlayerStartInputBindingOverrides = {}
): PlayerStartInputBindings {
const keyboard: PlayerStartKeyboardBindings = {
moveForward:
overrides.keyboard?.moveForward ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.moveForward,
moveBackward:
overrides.keyboard?.moveBackward ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.moveBackward,
moveLeft:
overrides.keyboard?.moveLeft ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.moveLeft,
moveRight:
overrides.keyboard?.moveRight ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.moveRight,
jump:
overrides.keyboard?.jump ?? DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.jump,
sprint:
overrides.keyboard?.sprint ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.sprint,
crouch:
overrides.keyboard?.crouch ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.crouch,
climb:
overrides.keyboard?.climb ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.climb,
interact:
overrides.keyboard?.interact ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.interact,
clearTarget:
overrides.keyboard?.clearTarget ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.clearTarget,
pauseTime:
overrides.keyboard?.pauseTime ??
DEFAULT_PLAYER_START_KEYBOARD_BINDINGS.pauseTime
};
const gamepad: PlayerStartGamepadBindings = {
moveForward:
overrides.gamepad?.moveForward ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.moveForward,
moveBackward:
overrides.gamepad?.moveBackward ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.moveBackward,
moveLeft:
overrides.gamepad?.moveLeft ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.moveLeft,
moveRight:
overrides.gamepad?.moveRight ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.moveRight,
jump: overrides.gamepad?.jump ?? DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.jump,
sprint:
overrides.gamepad?.sprint ?? DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.sprint,
crouch:
overrides.gamepad?.crouch ?? DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.crouch,
climb:
overrides.gamepad?.climb ?? DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.climb,
interact:
overrides.gamepad?.interact ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.interact,
clearTarget:
overrides.gamepad?.clearTarget ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.clearTarget,
pauseTime:
overrides.gamepad?.pauseTime ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.pauseTime,
cameraLook:
overrides.gamepad?.cameraLook ??
DEFAULT_PLAYER_START_GAMEPAD_BINDINGS.cameraLook
};
if (!isPlayerStartKeyboardBindingCode(keyboard.moveForward)) {
throw new Error(
"Player Start move-forward keyboard binding must be supported."
);
}
if (!isPlayerStartKeyboardBindingCode(keyboard.moveBackward)) {
throw new Error(
"Player Start move-backward keyboard binding must be supported."
);
}
if (!isPlayerStartKeyboardBindingCode(keyboard.moveLeft)) {
throw new Error(
"Player Start move-left keyboard binding must be supported."
);
}
if (!isPlayerStartKeyboardBindingCode(keyboard.moveRight)) {
throw new Error(
"Player Start move-right keyboard binding must be supported."
);
}
if (!isPlayerStartKeyboardBindingCode(keyboard.jump)) {
throw new Error("Player Start jump keyboard binding must be supported.");
}
if (!isPlayerStartKeyboardBindingCode(keyboard.sprint)) {
throw new Error("Player Start sprint keyboard binding must be supported.");
}
if (!isPlayerStartKeyboardBindingCode(keyboard.crouch)) {
throw new Error("Player Start crouch keyboard binding must be supported.");
}
if (!isPlayerStartKeyboardBindingCode(keyboard.climb)) {
throw new Error("Player Start climb keyboard binding must be supported.");
}
if (!isPlayerStartKeyboardBindingCode(keyboard.interact)) {
throw new Error(
"Player Start interact keyboard binding must be supported."
);
}
if (!isPlayerStartKeyboardBindingCode(keyboard.clearTarget)) {
throw new Error(
"Player Start clear-target keyboard binding must be supported."
);
}
if (!isPlayerStartKeyboardBindingCode(keyboard.pauseTime)) {
throw new Error("Player Start pause keyboard binding must be supported.");
}
if (!isPlayerStartGamepadBinding(gamepad.moveForward)) {
throw new Error(
"Player Start move-forward gamepad binding must be supported."
);
}
if (!isPlayerStartGamepadBinding(gamepad.moveBackward)) {
throw new Error(
"Player Start move-backward gamepad binding must be supported."
);
}
if (!isPlayerStartGamepadBinding(gamepad.moveLeft)) {
throw new Error(
"Player Start move-left gamepad binding must be supported."
);
}
if (!isPlayerStartGamepadBinding(gamepad.moveRight)) {
throw new Error(
"Player Start move-right gamepad binding must be supported."
);
}
if (!isPlayerStartGamepadActionBinding(gamepad.jump)) {
throw new Error("Player Start jump gamepad binding must be supported.");
}
if (!isPlayerStartGamepadActionBinding(gamepad.sprint)) {
throw new Error("Player Start sprint gamepad binding must be supported.");
}
if (!isPlayerStartGamepadActionBinding(gamepad.crouch)) {
throw new Error("Player Start crouch gamepad binding must be supported.");
}
if (!isPlayerStartGamepadActionBinding(gamepad.climb)) {
throw new Error("Player Start climb gamepad binding must be supported.");
}
if (!isPlayerStartGamepadActionBinding(gamepad.interact)) {
throw new Error("Player Start interact gamepad binding must be supported.");
}
if (!isPlayerStartGamepadActionBinding(gamepad.clearTarget)) {
throw new Error(
"Player Start clear-target gamepad binding must be supported."
);
}
if (!isPlayerStartGamepadActionBinding(gamepad.pauseTime)) {
throw new Error("Player Start pause gamepad binding must be supported.");
}
if (!isPlayerStartGamepadCameraLookBinding(gamepad.cameraLook)) {
throw new Error(
"Player Start camera-look gamepad binding must be supported."
);
}
return {
keyboard,
gamepad
};
}
export function isPlayerStartMovementTemplateKind(
value: string
): value is PlayerStartMovementTemplateKind {
return PLAYER_START_MOVEMENT_TEMPLATE_KINDS.includes(
value as PlayerStartMovementTemplateKind
);
}
export function createPlayerStartMovementTemplate(
overrides: PlayerStartMovementTemplateOverrides = {}
): PlayerStartMovementTemplate {
const kind = overrides.kind ?? DEFAULT_PLAYER_START_MOVEMENT_TEMPLATE_KIND;
if (!isPlayerStartMovementTemplateKind(kind)) {
throw new Error(
"Player Start movement template must be default, responsive, or custom."
);
}
const preset =
kind === "responsive"
? {
moveSpeed: DEFAULT_PLAYER_START_MOVE_SPEED,
maxSpeed: DEFAULT_PLAYER_START_MAX_SPEED,
maxStepHeight: DEFAULT_PLAYER_START_MAX_STEP_HEIGHT,
capabilities: DEFAULT_PLAYER_START_MOVEMENT_CAPABILITIES,
jump: RESPONSIVE_PLAYER_START_JUMP_SETTINGS,
sprint: DEFAULT_PLAYER_START_SPRINT_SETTINGS,
crouch: DEFAULT_PLAYER_START_CROUCH_SETTINGS
}
: {
moveSpeed: DEFAULT_PLAYER_START_MOVE_SPEED,
maxSpeed: DEFAULT_PLAYER_START_MAX_SPEED,
maxStepHeight: DEFAULT_PLAYER_START_MAX_STEP_HEIGHT,
capabilities: DEFAULT_PLAYER_START_MOVEMENT_CAPABILITIES,
jump: DEFAULT_PLAYER_START_JUMP_SETTINGS,
sprint: DEFAULT_PLAYER_START_SPRINT_SETTINGS,
crouch: DEFAULT_PLAYER_START_CROUCH_SETTINGS
};
const moveSpeed = overrides.moveSpeed ?? preset.moveSpeed;
const maxSpeed = overrides.maxSpeed ?? preset.maxSpeed;
const maxStepHeight = overrides.maxStepHeight ?? preset.maxStepHeight;
const capabilities: PlayerStartMovementCapabilities = {
jump: overrides.capabilities?.jump ?? preset.capabilities.jump,
sprint: overrides.capabilities?.sprint ?? preset.capabilities.sprint,
crouch: overrides.capabilities?.crouch ?? preset.capabilities.crouch
};
const jump: PlayerStartJumpSettings = {
speed: overrides.jump?.speed ?? preset.jump.speed,
bufferMs: overrides.jump?.bufferMs ?? preset.jump.bufferMs,
coyoteTimeMs: overrides.jump?.coyoteTimeMs ?? preset.jump.coyoteTimeMs,
variableHeight:
overrides.jump?.variableHeight ?? preset.jump.variableHeight,
maxHoldMs: overrides.jump?.maxHoldMs ?? preset.jump.maxHoldMs,
moveWhileJumping:
overrides.jump?.moveWhileJumping ?? preset.jump.moveWhileJumping,
moveWhileFalling:
overrides.jump?.moveWhileFalling ?? preset.jump.moveWhileFalling,
directionOnly: overrides.jump?.directionOnly ?? preset.jump.directionOnly,
bunnyHop: overrides.jump?.bunnyHop ?? preset.jump.bunnyHop,
bunnyHopBoost: overrides.jump?.bunnyHopBoost ?? preset.jump.bunnyHopBoost
};
const sprint: PlayerStartSprintSettings = {
speedMultiplier:
overrides.sprint?.speedMultiplier ?? preset.sprint.speedMultiplier
};
const crouch: PlayerStartCrouchSettings = {
speedMultiplier:
overrides.crouch?.speedMultiplier ?? preset.crouch.speedMultiplier
};
assertPositiveFiniteNumber(moveSpeed, "Player Start move speed");
assertNonNegativeFiniteNumber(maxSpeed, "Player Start max speed");
assertNonNegativeFiniteNumber(maxStepHeight, "Player Start max step height");
assertBoolean(
capabilities.jump,
"Player Start movement template jump capability"
);
assertBoolean(
capabilities.sprint,
"Player Start movement template sprint capability"
);
assertBoolean(
capabilities.crouch,
"Player Start movement template crouch capability"
);
assertPositiveFiniteNumber(jump.speed, "Player Start jump speed");
assertNonNegativeFiniteNumber(
jump.bufferMs,
"Player Start jump buffer milliseconds"
);
assertNonNegativeFiniteNumber(
jump.coyoteTimeMs,
"Player Start coyote time milliseconds"
);
assertBoolean(
jump.variableHeight,
"Player Start variable jump height setting"
);
assertPositiveFiniteNumber(
jump.maxHoldMs,
"Player Start variable jump max hold milliseconds"
);
assertBoolean(
jump.moveWhileJumping,
"Player Start move while jumping setting"
);
assertBoolean(
jump.moveWhileFalling,
"Player Start move while falling setting"
);
assertBoolean(jump.directionOnly, "Player Start air direction only setting");
assertBoolean(jump.bunnyHop, "Player Start bunny hop setting");
assertNonNegativeFiniteNumber(
jump.bunnyHopBoost,
"Player Start bunny hop boost"
);
assertPositiveFiniteNumber(
sprint.speedMultiplier,
"Player Start sprint speed multiplier"
);
assertPositiveFiniteNumber(
crouch.speedMultiplier,
"Player Start crouch speed multiplier"
);
return {
kind,
moveSpeed,
maxSpeed,
maxStepHeight,
capabilities,
jump,
sprint,
crouch
};
}
export function inferPlayerStartMovementTemplateKind(
template:
| Omit<PlayerStartMovementTemplate, "kind">
| PlayerStartMovementTemplate
): PlayerStartMovementTemplateKind {
const candidate = createPlayerStartMovementTemplate({
kind: "custom",
moveSpeed: template.moveSpeed,
maxSpeed: template.maxSpeed,
maxStepHeight: template.maxStepHeight,
capabilities: template.capabilities,
jump: template.jump,
sprint: template.sprint,
crouch: template.crouch
});
for (const presetKind of PLAYER_START_MOVEMENT_TEMPLATE_KINDS) {
if (presetKind === "custom") {
continue;
}
if (
candidate.moveSpeed ===
createPlayerStartMovementTemplate({ kind: presetKind }).moveSpeed &&
candidate.maxSpeed ===
createPlayerStartMovementTemplate({ kind: presetKind }).maxSpeed &&
candidate.maxStepHeight ===
createPlayerStartMovementTemplate({ kind: presetKind }).maxStepHeight &&
candidate.capabilities.jump ===
createPlayerStartMovementTemplate({ kind: presetKind }).capabilities
.jump &&
candidate.capabilities.sprint ===
createPlayerStartMovementTemplate({ kind: presetKind }).capabilities
.sprint &&
candidate.capabilities.crouch ===
createPlayerStartMovementTemplate({ kind: presetKind }).capabilities
.crouch &&
candidate.jump.speed ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump.speed &&
candidate.jump.bufferMs ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump.bufferMs &&
candidate.jump.coyoteTimeMs ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump
.coyoteTimeMs &&
candidate.jump.variableHeight ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump
.variableHeight &&
candidate.jump.maxHoldMs ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump
.maxHoldMs &&
candidate.jump.moveWhileJumping ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump
.moveWhileJumping &&
candidate.jump.moveWhileFalling ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump
.moveWhileFalling &&
candidate.jump.directionOnly ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump
.directionOnly &&
candidate.jump.bunnyHop ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump.bunnyHop &&
candidate.jump.bunnyHopBoost ===
createPlayerStartMovementTemplate({ kind: presetKind }).jump
.bunnyHopBoost &&
candidate.sprint.speedMultiplier ===
createPlayerStartMovementTemplate({ kind: presetKind }).sprint
.speedMultiplier &&
candidate.crouch.speedMultiplier ===
createPlayerStartMovementTemplate({ kind: presetKind }).crouch
.speedMultiplier
) {
return presetKind;
}
}
return "custom";
}
export function arePlayerStartInputBindingsEqual(
left: PlayerStartInputBindings,
right: PlayerStartInputBindings
): boolean {
return (
left.keyboard.moveForward === right.keyboard.moveForward &&
left.keyboard.moveBackward === right.keyboard.moveBackward &&
left.keyboard.moveLeft === right.keyboard.moveLeft &&
left.keyboard.moveRight === right.keyboard.moveRight &&
left.keyboard.jump === right.keyboard.jump &&
left.keyboard.sprint === right.keyboard.sprint &&
left.keyboard.crouch === right.keyboard.crouch &&
left.keyboard.climb === right.keyboard.climb &&
left.keyboard.interact === right.keyboard.interact &&
left.keyboard.clearTarget === right.keyboard.clearTarget &&
left.keyboard.pauseTime === right.keyboard.pauseTime &&
left.gamepad.moveForward === right.gamepad.moveForward &&
left.gamepad.moveBackward === right.gamepad.moveBackward &&
left.gamepad.moveLeft === right.gamepad.moveLeft &&
left.gamepad.moveRight === right.gamepad.moveRight &&
left.gamepad.jump === right.gamepad.jump &&
left.gamepad.sprint === right.gamepad.sprint &&
left.gamepad.crouch === right.gamepad.crouch &&
left.gamepad.climb === right.gamepad.climb &&
left.gamepad.interact === right.gamepad.interact &&
left.gamepad.clearTarget === right.gamepad.clearTarget &&
left.gamepad.pauseTime === right.gamepad.pauseTime &&
left.gamepad.cameraLook === right.gamepad.cameraLook
);
}
export function arePlayerStartMovementTemplatesEqual(
left: PlayerStartMovementTemplate,
right: PlayerStartMovementTemplate
): boolean {
return (
left.kind === right.kind &&
left.moveSpeed === right.moveSpeed &&
left.maxSpeed === right.maxSpeed &&
left.maxStepHeight === right.maxStepHeight &&
left.capabilities.jump === right.capabilities.jump &&
left.capabilities.sprint === right.capabilities.sprint &&
left.capabilities.crouch === right.capabilities.crouch &&
left.jump.speed === right.jump.speed &&
left.jump.bufferMs === right.jump.bufferMs &&
left.jump.coyoteTimeMs === right.jump.coyoteTimeMs &&
left.jump.variableHeight === right.jump.variableHeight &&
left.jump.maxHoldMs === right.jump.maxHoldMs &&
left.jump.moveWhileJumping === right.jump.moveWhileJumping &&
left.jump.moveWhileFalling === right.jump.moveWhileFalling &&
left.jump.directionOnly === right.jump.directionOnly &&
left.jump.bunnyHop === right.jump.bunnyHop &&
left.jump.bunnyHopBoost === right.jump.bunnyHopBoost &&
left.sprint.speedMultiplier === right.sprint.speedMultiplier &&
left.crouch.speedMultiplier === right.crouch.speedMultiplier
);
}
function getCharacterColliderHeight(
settings: CharacterColliderSettings
): number | null {
switch (settings.mode) {
case "capsule":
return settings.capsuleHeight;
case "box":
return settings.boxSize.y;
case "none":
return null;
}
}
export function getPlayerStartColliderHeight(
settings: PlayerStartColliderSettings
): number | null {
return getCharacterColliderHeight(settings);
}
export function getNpcColliderHeight(
settings: NpcColliderSettings
): number | null {
return getCharacterColliderHeight(settings);
}
function createCharacterColliderSettings(
label: string,
overrides: Partial<CharacterColliderSettings> = {},
defaults: Partial<CharacterColliderSettings> = {}
): CharacterColliderSettings {
const mode =
overrides.mode ?? defaults.mode ?? DEFAULT_PLAYER_START_COLLIDER_MODE;
const eyeHeight =
overrides.eyeHeight ??
defaults.eyeHeight ??
DEFAULT_PLAYER_START_EYE_HEIGHT;
const capsuleRadius =
overrides.capsuleRadius ??
defaults.capsuleRadius ??
DEFAULT_PLAYER_START_CAPSULE_RADIUS;
const capsuleHeight =
overrides.capsuleHeight ??
defaults.capsuleHeight ??
DEFAULT_PLAYER_START_CAPSULE_HEIGHT;
const boxSize = cloneVec3(
overrides.boxSize ?? defaults.boxSize ?? DEFAULT_PLAYER_START_BOX_SIZE
);
if (!isPlayerStartColliderMode(mode)) {
throw new Error(`${label} collider mode must be capsule, box, or none.`);
}
assertPositiveFiniteNumber(eyeHeight, `${label} eye height`);
assertPositiveFiniteNumber(capsuleRadius, `${label} capsule radius`);
assertPositiveFiniteNumber(capsuleHeight, `${label} capsule height`);
assertPositiveFiniteVec3(boxSize, `${label} box size`);
if (capsuleHeight < capsuleRadius * 2) {
throw new Error(
`${label} capsule height must be at least twice the capsule radius.`
);
}
if (mode === "capsule" && eyeHeight > capsuleHeight) {
throw new Error(
`${label} eye height must be less than or equal to the capsule height.`
);
}
if (mode === "box" && eyeHeight > boxSize.y) {
throw new Error(
`${label} eye height must be less than or equal to the box height.`
);
}
return {
mode,
eyeHeight,
capsuleRadius,
capsuleHeight,
boxSize
};
}
export function createPlayerStartColliderSettings(
overrides: Partial<PlayerStartColliderSettings> = {}
): PlayerStartColliderSettings {
return createCharacterColliderSettings("Player Start", overrides);
}
export function createNpcColliderSettings(
overrides: Partial<NpcColliderSettings> = {}
): NpcColliderSettings {
return createCharacterColliderSettings("NPC", overrides, {
mode: DEFAULT_NPC_COLLIDER_MODE,
eyeHeight: DEFAULT_PLAYER_START_EYE_HEIGHT,
capsuleRadius: DEFAULT_PLAYER_START_CAPSULE_RADIUS,
capsuleHeight: DEFAULT_PLAYER_START_CAPSULE_HEIGHT,
boxSize: DEFAULT_PLAYER_START_BOX_SIZE
});
}
function normalizeSoundEmitterAudioAssetId(
audioAssetId: string | null | undefined
): string | null {
if (audioAssetId === undefined || audioAssetId === null) {
return null;
}
const trimmedAudioAssetId = audioAssetId.trim();
if (trimmedAudioAssetId.length === 0) {
throw new Error(
"Sound Emitter audio asset id must be non-empty when authored."
);
}
return trimmedAudioAssetId;
}
export function normalizeEntityName(
name: string | null | undefined
): string | undefined {
if (name === undefined || name === null) {
return undefined;
}
const trimmedName = name.trim();
return trimmedName.length === 0 ? undefined : trimmedName;
}
function resolveAuthoredEntityVisibility(
visible: boolean | undefined
): boolean {
const resolvedVisible = visible ?? DEFAULT_ENTITY_VISIBLE;
assertBoolean(resolvedVisible, "Entity visible");
return resolvedVisible;
}
function resolveAuthoredEntityEnabled(enabled: boolean | undefined): boolean {
const resolvedEnabled = enabled ?? DEFAULT_ENTITY_ENABLED;
assertBoolean(resolvedEnabled, "Entity enabled");
return resolvedEnabled;
}
export function normalizeYawDegrees(yawDegrees: number): number {
const normalizedYaw = yawDegrees % 360;
return normalizedYaw < 0 ? normalizedYaw + 360 : normalizedYaw;
}
export function createNpcActorId(): string {
return createOpaqueId("actor");
}
export function isNpcPresenceMode(value: unknown): value is NpcPresenceMode {
return (
typeof value === "string" &&
NPC_PRESENCE_MODES.includes(value as NpcPresenceMode)
);
}
export function createNpcAlwaysPresence(): NpcAlwaysPresence {
return {
mode: "always"
};
}
export function createNpcTimeWindowPresence(
overrides: Partial<Pick<NpcTimeWindowPresence, "startHour" | "endHour">> = {}
): NpcTimeWindowPresence {
const startHour = normalizeTimeOfDayHours(
overrides.startHour ?? DEFAULT_NPC_TIME_WINDOW_START_HOUR
);
const endHour = normalizeTimeOfDayHours(
overrides.endHour ?? DEFAULT_NPC_TIME_WINDOW_END_HOUR
);
if (!Number.isFinite(startHour)) {
throw new Error("NPC presence window start hour must be a finite number.");
}
if (!Number.isFinite(endHour)) {
throw new Error("NPC presence window end hour must be a finite number.");
}
return {
mode: "timeWindow",
startHour,
endHour
};
}
export function cloneNpcPresence(presence: NpcPresence): NpcPresence {
switch (presence.mode) {
case "always":
return createNpcAlwaysPresence();
case "timeWindow":
return createNpcTimeWindowPresence(presence);
}
}
export function areNpcPresencesEqual(
left: NpcPresence,
right: NpcPresence
): boolean {
if (left.mode !== right.mode) {
return false;
}
if (left.mode === "always") {
return true;
}
return (
right.mode === "timeWindow" &&
left.startHour === right.startHour &&
left.endHour === right.endHour
);
}
function normalizeNpcPresence(presence: NpcPresence | undefined): NpcPresence {
if (presence === undefined) {
return createNpcAlwaysPresence();
}
switch (presence.mode) {
case "always":
return createNpcAlwaysPresence();
case "timeWindow":
return createNpcTimeWindowPresence(presence);
}
}
function normalizeNpcActorId(actorId: string | undefined): string {
const resolvedActorId = actorId ?? createNpcActorId();
const normalizedActorId = resolvedActorId.trim();
if (normalizedActorId.length === 0) {
throw new Error("NPC actorId must be a non-empty string.");
}
return normalizedActorId;
}
function normalizeNpcModelAssetId(
modelAssetId: string | null | undefined
): string | null {
if (modelAssetId === undefined || modelAssetId === null) {
return null;
}
const normalizedModelAssetId = modelAssetId.trim();
return normalizedModelAssetId.length === 0 ? null : normalizedModelAssetId;
}
function normalizeNpcDialogues(
dialogues: ProjectDialogue[] | undefined
): ProjectDialogue[] {
if (dialogues === undefined) {
return [];
}
return dialogues.map(cloneProjectDialogue);
}
function normalizeNpcDefaultDialogueId(
defaultDialogueId: string | null | undefined,
dialogues: readonly ProjectDialogue[]
): string | null {
if (defaultDialogueId === undefined || defaultDialogueId === null) {
return null;
}
const normalizedDefaultDialogueId = defaultDialogueId.trim();
if (normalizedDefaultDialogueId.length === 0) {
return null;
}
return dialogues.some(
(dialogue) => dialogue.id === normalizedDefaultDialogueId
)
? normalizedDefaultDialogueId
: null;
}
export function normalizeInteractablePrompt(prompt: string): string {
const normalizedPrompt = prompt.trim();
if (normalizedPrompt.length === 0) {
throw new Error("Interactable prompt must be non-empty.");
}
return normalizedPrompt;
}
export function createPointLightEntity(
overrides: Partial<
Pick<
PointLightEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "colorHex"
| "intensity"
| "distance"
>
> = {}
): PointLightEntity {
const position = cloneVec3(
overrides.position ?? DEFAULT_POINT_LIGHT_POSITION
);
const colorHex = overrides.colorHex ?? DEFAULT_POINT_LIGHT_COLOR_HEX;
const intensity = overrides.intensity ?? DEFAULT_POINT_LIGHT_INTENSITY;
const distance = overrides.distance ?? DEFAULT_POINT_LIGHT_DISTANCE;
assertFiniteVec3(position, "Point Light position");
assertHexColorString(colorHex, "Point Light color");
assertNonNegativeFiniteNumber(intensity, "Point Light intensity");
assertPositiveFiniteNumber(distance, "Point Light distance");
return {
id: overrides.id ?? createOpaqueId("entity-point-light"),
kind: "pointLight",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
colorHex,
intensity,
distance
};
}
export function createSpotLightEntity(
overrides: Partial<
Pick<
SpotLightEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "direction"
| "colorHex"
| "intensity"
| "distance"
| "angleDegrees"
>
> = {}
): SpotLightEntity {
const position = cloneVec3(overrides.position ?? DEFAULT_SPOT_LIGHT_POSITION);
const direction = cloneVec3(
overrides.direction ?? DEFAULT_SPOT_LIGHT_DIRECTION
);
const colorHex = overrides.colorHex ?? DEFAULT_SPOT_LIGHT_COLOR_HEX;
const intensity = overrides.intensity ?? DEFAULT_SPOT_LIGHT_INTENSITY;
const distance = overrides.distance ?? DEFAULT_SPOT_LIGHT_DISTANCE;
const angleDegrees =
overrides.angleDegrees ?? DEFAULT_SPOT_LIGHT_ANGLE_DEGREES;
assertFiniteVec3(position, "Spot Light position");
assertFiniteVec3(direction, "Spot Light direction");
assertNonZeroVec3(direction, "Spot Light direction");
assertHexColorString(colorHex, "Spot Light color");
assertNonNegativeFiniteNumber(intensity, "Spot Light intensity");
assertPositiveFiniteNumber(distance, "Spot Light distance");
if (
!Number.isFinite(angleDegrees) ||
angleDegrees <= 0 ||
angleDegrees >= 180
) {
throw new Error(
"Spot Light angle must be a finite degree value between 0 and 180."
);
}
return {
id: overrides.id ?? createOpaqueId("entity-spot-light"),
kind: "spotLight",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
direction,
colorHex,
intensity,
distance,
angleDegrees
};
}
export function createPlayerStartEntity(
overrides: Partial<
Pick<
PlayerStartEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "yawDegrees"
| "navigationMode"
| "interactionReachMeters"
| "interactionAngleDegrees"
| "allowLookInputTargetSwitch"
| "targetButtonCyclesActiveTarget"
| "invertMouseCameraHorizontal"
>
> & {
movementTemplate?: PlayerStartMovementTemplateOverrides;
inputBindings?: PlayerStartInputBindingOverrides;
collider?: Partial<PlayerStartColliderSettings>;
} = {}
): PlayerStartEntity {
const position = cloneVec3(
overrides.position ?? DEFAULT_PLAYER_START_POSITION
);
const yawDegrees = overrides.yawDegrees ?? DEFAULT_PLAYER_START_YAW_DEGREES;
const navigationMode =
overrides.navigationMode ?? DEFAULT_PLAYER_START_NAVIGATION_MODE;
const interactionReachMeters =
overrides.interactionReachMeters ??
DEFAULT_PLAYER_START_INTERACTION_REACH_METERS;
const interactionAngleDegrees =
overrides.interactionAngleDegrees ??
DEFAULT_PLAYER_START_INTERACTION_ANGLE_DEGREES;
const allowLookInputTargetSwitch =
overrides.allowLookInputTargetSwitch ??
DEFAULT_PLAYER_START_ALLOW_LOOK_INPUT_TARGET_SWITCH;
const targetButtonCyclesActiveTarget =
overrides.targetButtonCyclesActiveTarget ??
DEFAULT_PLAYER_START_TARGET_BUTTON_CYCLES_ACTIVE_TARGET;
const invertMouseCameraHorizontal =
overrides.invertMouseCameraHorizontal ??
DEFAULT_PLAYER_START_INVERT_MOUSE_CAMERA_HORIZONTAL;
const movementTemplate = createPlayerStartMovementTemplate(
overrides.movementTemplate
);
const inputBindings = createPlayerStartInputBindings(overrides.inputBindings);
const collider = createPlayerStartColliderSettings(overrides.collider);
assertFiniteVec3(position, "Player Start position");
if (!Number.isFinite(yawDegrees)) {
throw new Error("Player Start yaw must be a finite number.");
}
if (!isPlayerStartNavigationMode(navigationMode)) {
throw new Error(
"Player Start navigation mode must be firstPerson or thirdPerson."
);
}
assertPositiveFiniteNumber(
interactionReachMeters,
"Player Start interaction reach"
);
if (
!Number.isFinite(interactionAngleDegrees) ||
interactionAngleDegrees <= 0 ||
interactionAngleDegrees >= 180
) {
throw new Error(
"Player Start interaction angle must be a finite number greater than zero and less than 180."
);
}
assertBoolean(
allowLookInputTargetSwitch,
"Player Start allow-look-input target switch"
);
assertBoolean(
targetButtonCyclesActiveTarget,
"Player Start target-button cycles active target"
);
assertBoolean(
invertMouseCameraHorizontal,
"Player Start invert-mouse-camera horizontal"
);
return {
id: overrides.id ?? createOpaqueId("entity-player-start"),
kind: "playerStart",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
yawDegrees: normalizeYawDegrees(yawDegrees),
navigationMode,
interactionReachMeters,
interactionAngleDegrees,
allowLookInputTargetSwitch,
targetButtonCyclesActiveTarget,
invertMouseCameraHorizontal,
movementTemplate,
inputBindings,
collider
};
}
export function createSceneEntryEntity(
overrides: Partial<
Pick<
SceneEntryEntity,
"id" | "name" | "visible" | "enabled" | "position" | "yawDegrees"
>
> = {}
): SceneEntryEntity {
const position = cloneVec3(overrides.position ?? DEFAULT_ENTITY_POSITION);
const yawDegrees = overrides.yawDegrees ?? DEFAULT_SCENE_ENTRY_YAW_DEGREES;
assertFiniteVec3(position, "Scene Entry position");
if (!Number.isFinite(yawDegrees)) {
throw new Error("Scene Entry yaw must be a finite number.");
}
return {
id: overrides.id ?? createOpaqueId("entity-scene-entry"),
kind: "sceneEntry",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
yawDegrees: normalizeYawDegrees(yawDegrees)
};
}
type FixedCameraRigEntityOverrides = Partial<
Pick<
FixedCameraRigEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "rigType"
| "priority"
| "defaultActive"
| "target"
| "targetOffset"
| "transitionMode"
| "transitionDurationSeconds"
>
> & {
rigType?: "fixed";
lookAround?: Partial<CameraRigLookAroundSettings>;
};
type RailCameraRigEntityOverrides = Partial<
Pick<
RailCameraRigEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "rigType"
| "pathId"
| "railPlacementMode"
| "priority"
| "defaultActive"
| "target"
| "targetOffset"
| "transitionMode"
| "transitionDurationSeconds"
>
> & {
rigType: "rail";
lookAround?: Partial<CameraRigLookAroundSettings>;
};
type MappedRailCameraRigEntityOverrides = Partial<
Pick<
MappedRailCameraRigEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "rigType"
| "pathId"
| "railPlacementMode"
| "trackStartPoint"
| "trackEndPoint"
| "railStartProgress"
| "railEndProgress"
| "priority"
| "defaultActive"
| "target"
| "targetOffset"
| "transitionMode"
| "transitionDurationSeconds"
>
> & {
rigType: "rail";
railPlacementMode: "mapTargetBetweenPoints";
lookAround?: Partial<CameraRigLookAroundSettings>;
};
export type CameraRigEntityOverrides =
| FixedCameraRigEntityOverrides
| RailCameraRigEntityOverrides
| MappedRailCameraRigEntityOverrides;
export function createCameraRigEntity(
overrides: FixedCameraRigEntityOverrides
): FixedCameraRigEntity;
export function createCameraRigEntity(
overrides: RailCameraRigEntityOverrides
): RailCameraRigEntity;
export function createCameraRigEntity(
overrides: MappedRailCameraRigEntityOverrides
): MappedRailCameraRigEntity;
export function createCameraRigEntity(
overrides?: CameraRigEntityOverrides
): CameraRigEntity;
export function createCameraRigEntity(
overrides: CameraRigEntityOverrides = {}
): CameraRigEntity {
const rigType = overrides.rigType ?? "fixed";
const priority = overrides.priority ?? DEFAULT_CAMERA_RIG_PRIORITY;
const defaultActive =
overrides.defaultActive ?? DEFAULT_CAMERA_RIG_DEFAULT_ACTIVE;
const target = normalizeCameraRigTargetRef(overrides.target);
const targetOffset = cloneVec3(
overrides.targetOffset ?? DEFAULT_CAMERA_RIG_TARGET_OFFSET
);
const transitionMode =
overrides.transitionMode ?? DEFAULT_CAMERA_RIG_TRANSITION_MODE;
const transitionDurationSeconds =
overrides.transitionDurationSeconds ??
DEFAULT_CAMERA_RIG_TRANSITION_DURATION_SECONDS;
const lookAround = createCameraRigLookAroundSettings(overrides.lookAround);
assertFiniteVec3(targetOffset, "Camera Rig target offset");
assertBoolean(defaultActive, "Camera Rig defaultActive");
assertNonNegativeFiniteNumber(priority, "Camera Rig priority");
assertNonNegativeFiniteNumber(
transitionDurationSeconds,
"Camera Rig transition duration"
);
if (!isCameraRigType(rigType)) {
throw new Error("Camera Rig type must be fixed or rail.");
}
if (!isCameraRigTransitionMode(transitionMode)) {
throw new Error("Camera Rig transition mode must be cut or blend.");
}
const base = {
id: overrides.id ?? createOpaqueId("entity-camera-rig"),
kind: "cameraRig" as const,
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
rigType,
priority,
defaultActive,
target,
targetOffset,
transitionMode,
transitionDurationSeconds,
lookAround
};
if (rigType === "rail") {
const railOverrides = overrides as
| RailCameraRigEntityOverrides
| MappedRailCameraRigEntityOverrides;
const railPlacementMode =
railOverrides.railPlacementMode ?? DEFAULT_CAMERA_RIG_RAIL_PLACEMENT_MODE;
if (!isCameraRigRailPlacementMode(railPlacementMode)) {
throw new Error(
"Rail Camera Rig placement mode must be nearestToTarget or mapTargetBetweenPoints."
);
}
if (railPlacementMode === "mapTargetBetweenPoints") {
const mappedRailOverrides =
railOverrides as MappedRailCameraRigEntityOverrides;
const trackStartPoint = cloneVec3(
mappedRailOverrides.trackStartPoint ??
DEFAULT_CAMERA_RIG_TRACK_START_POINT
);
const trackEndPoint = cloneVec3(
mappedRailOverrides.trackEndPoint ?? DEFAULT_CAMERA_RIG_TRACK_END_POINT
);
const railStartProgress =
mappedRailOverrides.railStartProgress ??
DEFAULT_CAMERA_RIG_RAIL_START_PROGRESS;
const railEndProgress =
mappedRailOverrides.railEndProgress ??
DEFAULT_CAMERA_RIG_RAIL_END_PROGRESS;
assertFiniteVec3(trackStartPoint, "Rail Camera Rig track start point");
assertFiniteVec3(trackEndPoint, "Rail Camera Rig track end point");
assertNonNegativeFiniteNumber(
railStartProgress,
"Rail Camera Rig start progress"
);
assertNonNegativeFiniteNumber(
railEndProgress,
"Rail Camera Rig end progress"
);
if (railStartProgress > 1 || railEndProgress > 1) {
throw new Error(
"Rail Camera Rig mapped progress values must remain between 0 and 1."
);
}
return {
...base,
rigType: "rail",
pathId: normalizeCameraRigPathId(railOverrides.pathId),
railPlacementMode: "mapTargetBetweenPoints",
trackStartPoint,
trackEndPoint,
railStartProgress,
railEndProgress
};
}
return {
...base,
rigType: "rail",
pathId: normalizeCameraRigPathId(railOverrides.pathId),
railPlacementMode: "nearestToTarget"
};
}
const fixedOverrides = overrides as FixedCameraRigEntityOverrides;
const position = cloneVec3(
fixedOverrides.position ?? DEFAULT_ENTITY_POSITION
);
assertFiniteVec3(position, "Camera Rig position");
return {
...base,
rigType: "fixed",
position
};
}
export function createNpcEntity(
overrides: Partial<
Pick<
NpcEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "actorId"
| "presence"
| "yawDegrees"
| "modelAssetId"
| "dialogues"
| "defaultDialogueId"
>
> & {
collider?: Partial<NpcColliderSettings>;
} = {}
): NpcEntity {
const position = cloneVec3(overrides.position ?? DEFAULT_ENTITY_POSITION);
const actorId = normalizeNpcActorId(overrides.actorId);
const presence = normalizeNpcPresence(overrides.presence);
const yawDegrees = overrides.yawDegrees ?? DEFAULT_NPC_YAW_DEGREES;
const modelAssetId = normalizeNpcModelAssetId(
overrides.modelAssetId ?? DEFAULT_NPC_MODEL_ASSET_ID
);
const dialogues = normalizeNpcDialogues(overrides.dialogues);
const defaultDialogueId = normalizeNpcDefaultDialogueId(
overrides.defaultDialogueId ?? DEFAULT_NPC_DIALOGUE_ID,
dialogues
);
const collider = createNpcColliderSettings(overrides.collider);
assertFiniteVec3(position, "NPC position");
if (!Number.isFinite(yawDegrees)) {
throw new Error("NPC yaw must be a finite number.");
}
return {
id: overrides.id ?? createOpaqueId("entity-npc"),
kind: "npc",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
actorId,
presence,
yawDegrees: normalizeYawDegrees(yawDegrees),
modelAssetId,
dialogues,
defaultDialogueId,
collider
};
}
export function createSoundEmitterEntity(
overrides: Partial<
Pick<
SoundEmitterEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "audioAssetId"
| "volume"
| "refDistance"
| "maxDistance"
| "autoplay"
| "loop"
>
> = {}
): SoundEmitterEntity {
const position = cloneVec3(overrides.position ?? DEFAULT_ENTITY_POSITION);
const audioAssetId = normalizeSoundEmitterAudioAssetId(
overrides.audioAssetId ?? DEFAULT_SOUND_EMITTER_AUDIO_ASSET_ID
);
const volume = overrides.volume ?? DEFAULT_SOUND_EMITTER_VOLUME;
const refDistance =
overrides.refDistance ?? DEFAULT_SOUND_EMITTER_REF_DISTANCE;
const maxDistance =
overrides.maxDistance ?? DEFAULT_SOUND_EMITTER_MAX_DISTANCE;
const autoplay = overrides.autoplay ?? false;
const loop = overrides.loop ?? false;
assertFiniteVec3(position, "Sound Emitter position");
assertNonNegativeFiniteNumber(volume, "Sound Emitter volume");
assertPositiveFiniteNumber(refDistance, "Sound Emitter ref distance");
assertPositiveFiniteNumber(maxDistance, "Sound Emitter max distance");
if (maxDistance < refDistance) {
throw new Error(
"Sound Emitter max distance must be greater than or equal to ref distance."
);
}
assertBoolean(autoplay, "Sound Emitter autoplay");
assertBoolean(loop, "Sound Emitter loop");
return {
id: overrides.id ?? createOpaqueId("entity-sound-emitter"),
kind: "soundEmitter",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
audioAssetId,
volume,
refDistance,
maxDistance,
autoplay,
loop
};
}
export function createTriggerVolumeEntity(
overrides: Partial<
Pick<
TriggerVolumeEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "size"
| "triggerOnEnter"
| "triggerOnExit"
>
> = {}
): TriggerVolumeEntity {
const position = cloneVec3(overrides.position ?? DEFAULT_ENTITY_POSITION);
const size = cloneVec3(overrides.size ?? DEFAULT_TRIGGER_VOLUME_SIZE);
const triggerOnEnter = overrides.triggerOnEnter ?? true;
const triggerOnExit = overrides.triggerOnExit ?? false;
assertFiniteVec3(position, "Trigger Volume position");
assertPositiveFiniteVec3(size, "Trigger Volume size");
assertBoolean(triggerOnEnter, "Trigger Volume triggerOnEnter");
assertBoolean(triggerOnExit, "Trigger Volume triggerOnExit");
return {
id: overrides.id ?? createOpaqueId("entity-trigger-volume"),
kind: "triggerVolume",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
size,
triggerOnEnter,
triggerOnExit
};
}
export function createTeleportTargetEntity(
overrides: Partial<
Pick<
TeleportTargetEntity,
"id" | "name" | "visible" | "enabled" | "position" | "yawDegrees"
>
> = {}
): TeleportTargetEntity {
const position = cloneVec3(overrides.position ?? DEFAULT_ENTITY_POSITION);
const yawDegrees =
overrides.yawDegrees ?? DEFAULT_TELEPORT_TARGET_YAW_DEGREES;
assertFiniteVec3(position, "Teleport Target position");
if (!Number.isFinite(yawDegrees)) {
throw new Error("Teleport Target yaw must be a finite number.");
}
return {
id: overrides.id ?? createOpaqueId("entity-teleport-target"),
kind: "teleportTarget",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
yawDegrees: normalizeYawDegrees(yawDegrees)
};
}
export function createInteractableEntity(
overrides: Partial<
Pick<
InteractableEntity,
| "id"
| "name"
| "visible"
| "enabled"
| "position"
| "radius"
| "prompt"
| "interactionEnabled"
>
> = {}
): InteractableEntity {
const position = cloneVec3(overrides.position ?? DEFAULT_ENTITY_POSITION);
const radius = overrides.radius ?? DEFAULT_INTERACTABLE_RADIUS;
const prompt = normalizeInteractablePrompt(
overrides.prompt ?? DEFAULT_INTERACTABLE_PROMPT
);
const interactionEnabled = overrides.interactionEnabled ?? true;
assertFiniteVec3(position, "Interactable position");
assertPositiveFiniteNumber(radius, "Interactable radius");
assertBoolean(interactionEnabled, "Interactable interactionEnabled");
return {
id: overrides.id ?? createOpaqueId("entity-interactable"),
kind: "interactable",
name: normalizeEntityName(overrides.name),
visible: resolveAuthoredEntityVisibility(overrides.visible),
enabled: resolveAuthoredEntityEnabled(overrides.enabled),
position,
radius,
prompt,
interactionEnabled
};
}
export const ENTITY_REGISTRY: {
[K in EntityKind]: EntityRegistryEntry<Extract<EntityInstance, { kind: K }>>;
} = {
pointLight: {
kind: "pointLight",
label: "Point Light",
description:
"Authored local point light that illuminates nearby geometry in a spherical radius.",
createDefaultEntity: createPointLightEntity
},
spotLight: {
kind: "spotLight",
label: "Spot Light",
description:
"Authored local spotlight with an explicit direction and cone angle.",
createDefaultEntity: createSpotLightEntity
},
playerStart: {
kind: "playerStart",
label: "Player Start",
description:
"Primary authored spawn point for first-person or third-person runtime navigation.",
createDefaultEntity: createPlayerStartEntity
},
cameraRig: {
kind: "cameraRig",
label: "Camera Rig",
description:
"Authored runtime camera framing rig that can lock from a fixed world position or a scene path onto a typed target.",
createDefaultEntity: (overrides) =>
createCameraRigEntity(overrides as CameraRigEntityOverrides)
},
sceneEntry: {
kind: "sceneEntry",
label: "Scene Entry",
description:
"Explicit authored scene-transition arrival point with a facing direction.",
createDefaultEntity: createSceneEntryEntity
},
npc: {
kind: "npc",
label: "NPC",
description:
"Typed actor entity with a stable authored actor id and optional model visual for runner presence.",
createDefaultEntity: createNpcEntity
},
soundEmitter: {
kind: "soundEmitter",
label: "Sound Emitter",
description:
"Authored positional audio source wired to an audio asset and configurable for looping, volume, and distance falloff.",
createDefaultEntity: createSoundEmitterEntity
},
triggerVolume: {
kind: "triggerVolume",
label: "Trigger Volume",
description:
"Axis-aligned authored trigger volume for enter and exit events.",
createDefaultEntity: createTriggerVolumeEntity
},
teleportTarget: {
kind: "teleportTarget",
label: "Teleport Target",
description:
"Explicit authored teleport destination with a facing direction.",
createDefaultEntity: createTeleportTargetEntity
},
interactable: {
kind: "interactable",
label: "Interactable",
description:
"Explicit authored interaction point for later click and use behavior.",
createDefaultEntity: createInteractableEntity
}
};
export function isEntityKind(value: unknown): value is EntityKind {
return (
typeof value === "string" &&
Object.prototype.hasOwnProperty.call(ENTITY_REGISTRY, value)
);
}
export function getEntityRegistryEntry<K extends EntityKind>(
kind: K
): EntityRegistryEntry<Extract<EntityInstance, { kind: K }>> {
return ENTITY_REGISTRY[kind];
}
export function createDefaultEntityInstance(
kind: "playerStart",
overrides?: Partial<PlayerStartEntity>
): PlayerStartEntity;
export function createDefaultEntityInstance(
kind: "cameraRig",
overrides?: Partial<CameraRigEntity>
): CameraRigEntity;
export function createDefaultEntityInstance(
kind: "sceneEntry",
overrides?: Partial<SceneEntryEntity>
): SceneEntryEntity;
export function createDefaultEntityInstance(
kind: "npc",
overrides?: Partial<NpcEntity>
): NpcEntity;
export function createDefaultEntityInstance(
kind: "pointLight",
overrides?: Partial<PointLightEntity>
): PointLightEntity;
export function createDefaultEntityInstance(
kind: "spotLight",
overrides?: Partial<SpotLightEntity>
): SpotLightEntity;
export function createDefaultEntityInstance(
kind: "soundEmitter",
overrides?: Partial<SoundEmitterEntity>
): SoundEmitterEntity;
export function createDefaultEntityInstance(
kind: "triggerVolume",
overrides?: Partial<TriggerVolumeEntity>
): TriggerVolumeEntity;
export function createDefaultEntityInstance(
kind: "teleportTarget",
overrides?: Partial<TeleportTargetEntity>
): TeleportTargetEntity;
export function createDefaultEntityInstance(
kind: "interactable",
overrides?: Partial<InteractableEntity>
): InteractableEntity;
export function createDefaultEntityInstance(
kind: EntityKind,
overrides: Partial<EntityInstance> = {}
): EntityInstance {
switch (kind) {
case "pointLight":
return createPointLightEntity(overrides);
case "spotLight":
return createSpotLightEntity(overrides);
case "playerStart":
return createPlayerStartEntity(overrides);
case "cameraRig":
return createCameraRigEntity(overrides as CameraRigEntityOverrides);
case "sceneEntry":
return createSceneEntryEntity(overrides);
case "npc":
return createNpcEntity(overrides);
case "soundEmitter":
return createSoundEmitterEntity(overrides);
case "triggerVolume":
return createTriggerVolumeEntity(overrides);
case "teleportTarget":
return createTeleportTargetEntity(overrides);
case "interactable":
return createInteractableEntity(overrides);
}
}
export function cloneEntityInstance(entity: EntityInstance): EntityInstance {
switch (entity.kind) {
case "pointLight":
return createPointLightEntity(entity);
case "spotLight":
return createSpotLightEntity(entity);
case "playerStart":
return createPlayerStartEntity(entity);
case "cameraRig":
return createCameraRigEntity(entity);
case "sceneEntry":
return createSceneEntryEntity(entity);
case "npc":
return createNpcEntity(entity);
case "soundEmitter":
return createSoundEmitterEntity(entity);
case "triggerVolume":
return createTriggerVolumeEntity(entity);
case "teleportTarget":
return createTeleportTargetEntity(entity);
case "interactable":
return createInteractableEntity(entity);
}
}
export function cloneEntityRegistry(
entities: Record<string, EntityInstance>
): Record<string, EntityInstance> {
return Object.fromEntries(
Object.entries(entities).map(([entityId, entity]) => [
entityId,
cloneEntityInstance(entity)
])
);
}
export function areEntityInstancesEqual(
left: EntityInstance,
right: EntityInstance
): boolean {
if (
left.kind !== right.kind ||
left.id !== right.id ||
left.name !== right.name ||
left.visible !== right.visible ||
left.enabled !== right.enabled
) {
return false;
}
switch (left.kind) {
case "pointLight": {
const typedRight = right as PointLightEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
left.colorHex === typedRight.colorHex &&
left.intensity === typedRight.intensity &&
left.distance === typedRight.distance
);
}
case "spotLight": {
const typedRight = right as SpotLightEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
areVec3Equal(left.direction, typedRight.direction) &&
left.colorHex === typedRight.colorHex &&
left.intensity === typedRight.intensity &&
left.distance === typedRight.distance &&
left.angleDegrees === typedRight.angleDegrees
);
}
case "playerStart": {
const typedRight = right as PlayerStartEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
left.yawDegrees === typedRight.yawDegrees &&
left.navigationMode === typedRight.navigationMode &&
left.interactionReachMeters === typedRight.interactionReachMeters &&
left.interactionAngleDegrees === typedRight.interactionAngleDegrees &&
left.allowLookInputTargetSwitch ===
typedRight.allowLookInputTargetSwitch &&
left.targetButtonCyclesActiveTarget ===
typedRight.targetButtonCyclesActiveTarget &&
left.invertMouseCameraHorizontal ===
typedRight.invertMouseCameraHorizontal &&
arePlayerStartMovementTemplatesEqual(
left.movementTemplate,
typedRight.movementTemplate
) &&
arePlayerStartInputBindingsEqual(
left.inputBindings,
typedRight.inputBindings
) &&
left.collider.mode === typedRight.collider.mode &&
left.collider.eyeHeight === typedRight.collider.eyeHeight &&
left.collider.capsuleRadius === typedRight.collider.capsuleRadius &&
left.collider.capsuleHeight === typedRight.collider.capsuleHeight &&
areVec3Equal(left.collider.boxSize, typedRight.collider.boxSize)
);
}
case "cameraRig": {
const typedRight = right as CameraRigEntity;
return (
left.rigType === typedRight.rigType &&
(left.rigType === "fixed"
? typedRight.rigType === "fixed" &&
areVec3Equal(left.position, typedRight.position)
: typedRight.rigType === "rail" &&
left.pathId === typedRight.pathId &&
left.railPlacementMode === typedRight.railPlacementMode &&
(left.railPlacementMode === "mapTargetBetweenPoints"
? typedRight.railPlacementMode === "mapTargetBetweenPoints" &&
areVec3Equal(
left.trackStartPoint,
typedRight.trackStartPoint
) &&
areVec3Equal(left.trackEndPoint, typedRight.trackEndPoint) &&
left.railStartProgress === typedRight.railStartProgress &&
left.railEndProgress === typedRight.railEndProgress
: true)) &&
left.priority === typedRight.priority &&
left.defaultActive === typedRight.defaultActive &&
areCameraRigTargetRefsEqual(left.target, typedRight.target) &&
areVec3Equal(left.targetOffset, typedRight.targetOffset) &&
left.transitionMode === typedRight.transitionMode &&
left.transitionDurationSeconds ===
typedRight.transitionDurationSeconds &&
areCameraRigLookAroundSettingsEqual(
left.lookAround,
typedRight.lookAround
)
);
}
case "sceneEntry": {
const typedRight = right as SceneEntryEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
left.yawDegrees === typedRight.yawDegrees
);
}
case "npc": {
const typedRight = right as NpcEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
left.actorId === typedRight.actorId &&
areNpcPresencesEqual(left.presence, typedRight.presence) &&
left.yawDegrees === typedRight.yawDegrees &&
left.modelAssetId === typedRight.modelAssetId &&
left.defaultDialogueId === typedRight.defaultDialogueId &&
left.dialogues.length === typedRight.dialogues.length &&
left.dialogues.every((dialogue, index) =>
areProjectDialoguesEqual(dialogue, typedRight.dialogues[index]!)
) &&
left.collider.mode === typedRight.collider.mode &&
left.collider.eyeHeight === typedRight.collider.eyeHeight &&
left.collider.capsuleRadius === typedRight.collider.capsuleRadius &&
left.collider.capsuleHeight === typedRight.collider.capsuleHeight &&
areVec3Equal(left.collider.boxSize, typedRight.collider.boxSize)
);
}
case "soundEmitter": {
const typedRight = right as SoundEmitterEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
left.audioAssetId === typedRight.audioAssetId &&
left.volume === typedRight.volume &&
left.refDistance === typedRight.refDistance &&
left.maxDistance === typedRight.maxDistance &&
left.autoplay === typedRight.autoplay &&
left.loop === typedRight.loop
);
}
case "triggerVolume": {
const typedRight = right as TriggerVolumeEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
areVec3Equal(left.size, typedRight.size) &&
left.triggerOnEnter === typedRight.triggerOnEnter &&
left.triggerOnExit === typedRight.triggerOnExit
);
}
case "teleportTarget": {
const typedRight = right as TeleportTargetEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
left.yawDegrees === typedRight.yawDegrees
);
}
case "interactable": {
const typedRight = right as InteractableEntity;
return (
areVec3Equal(left.position, typedRight.position) &&
left.radius === typedRight.radius &&
left.prompt === typedRight.prompt &&
left.interactionEnabled === typedRight.interactionEnabled
);
}
}
}
export function compareEntityInstances(
left: EntityInstance,
right: EntityInstance
): number {
const leftOrder = ENTITY_KIND_ORDER.indexOf(left.kind);
const rightOrder = ENTITY_KIND_ORDER.indexOf(right.kind);
if (leftOrder !== rightOrder) {
return leftOrder - rightOrder;
}
return left.id.localeCompare(right.id);
}
export function getEntityInstances(
entities: Record<string, EntityInstance>
): EntityInstance[] {
return Object.values(entities).sort(compareEntityInstances);
}
export function getEntitiesOfKind<K extends EntityKind>(
entities: Record<string, EntityInstance>,
kind: K
): Extract<EntityInstance, { kind: K }>[] {
return getEntityInstances(entities).filter(
(entity): entity is Extract<EntityInstance, { kind: K }> =>
entity.kind === kind
);
}
export function getPlayerStartEntities(
entities: Record<string, EntityInstance>
): PlayerStartEntity[] {
return getEntitiesOfKind(entities, "playerStart");
}
export function getCameraRigEntities(
entities: Record<string, EntityInstance>
): CameraRigEntity[] {
return getEntitiesOfKind(entities, "cameraRig");
}
export function getPrimaryPlayerStartEntity(
entities: Record<string, EntityInstance>
): PlayerStartEntity | null {
return getPlayerStartEntities(entities)[0] ?? null;
}
export function getPrimaryEnabledPlayerStartEntity(
entities: Record<string, EntityInstance>
): PlayerStartEntity | null {
return (
getPlayerStartEntities(entities).find((entity) => entity.enabled) ?? null
);
}
export function getEntityKindLabel(kind: EntityKind): string {
return getEntityRegistryEntry(kind).label;
}