/**
 * GSplatManager manages the rendering of splats using a work buffer, where all active splats are
 * stored and rendered from.
 *
 * @ignore
 */
export class GSplatManager {
    constructor(device: any, director: any, layer: any, cameraNode: any);
    /** @type {GraphicsDevice} */
    device: GraphicsDevice;
    /** @type {GraphNode} */
    node: GraphNode;
    /** @type {number} */
    cooldownTicks: number;
    /** @type {GSplatWorkBuffer} */
    workBuffer: GSplatWorkBuffer;
    /** @type {GSplatRenderer} */
    renderer: GSplatRenderer;
    /**
     * A map of versioned world states, keyed by version.
     *
     * @type {Map<number, GSplatWorldState>}
     */
    worldStates: Map<number, GSplatWorldState>;
    /**
     * The version of the last world state.
     *
     * @type {number}
     */
    lastWorldStateVersion: number;
    /** @type {GSplatUnifiedSorter} */
    sorter: GSplatUnifiedSorter;
    /** @type {number} */
    sortedVersion: number;
    /** @type {number} */
    framesTillFullUpdate: number;
    /** @type {Vec3} */
    lastCameraPos: Vec3;
    /** @type {Vec3} */
    lastCameraFwd: Vec3;
    /** @type {GraphNode} */
    cameraNode: GraphNode;
    /** @type {Scene} */
    scene: Scene;
    /**
     * Layer placements, only non-octree placements are included.
     *
     * @type {GSplatPlacement[]}
     */
    layerPlacements: GSplatPlacement[];
    /** @type {boolean} */
    layerPlacementsDirty: boolean;
    /** @type {Map<GSplatPlacement, GSplatOctreeInstance>} */
    octreeInstances: Map<GSplatPlacement, GSplatOctreeInstance>;
    /**
     * Octree instances scheduled for destruction. We collect their releases and destroy them
     * when creating the next world state
     *
     * @type {GSplatOctreeInstance[]}
     */
    octreeInstancesToDestroy: GSplatOctreeInstance[];
    director: any;
    destroy(): void;
    createSorter(): GSplatUnifiedSorter;
    /**
     * Supply the manager with the placements to use. This is used to update the manager when the
     * layer's placements have changed, called infrequently.
     *
     * @param {GSplatPlacement[]} placements - The placements to reconcile with.
     */
    reconcile(placements: GSplatPlacement[]): void;
    updateWorldState(): void;
    onSorted(count: any, version: any, orderData: any): void;
    /**
     * Tests if the camera has moved or rotated enough to require LOD update.
     *
     * @returns {boolean} True if camera moved/rotated over thresholds, otherwise false.
     */
    testCameraMoved(): boolean;
    update(): number;
    /**
     * Sorts the splats of the given world state.
     *
     * @param {GSplatWorldState} lastState - The last world state.
     */
    sort(lastState: GSplatWorldState): void;
    /**
     * Prepares sort parameters data for the sorter worker.
     *
     * @param {GSplatWorldState} worldState - The world state containing all needed data.
     * @returns {object} - Data for sorter worker.
     */
    prepareSortParameters(worldState: GSplatWorldState): object;
}
import type { GraphicsDevice } from '../../platform/graphics/graphics-device.js';
import { GraphNode } from '../graph-node.js';
import { GSplatWorkBuffer } from './gsplat-work-buffer.js';
import { GSplatRenderer } from './gsplat-renderer.js';
import { GSplatWorldState } from './gsplat-world-state.js';
import { GSplatUnifiedSorter } from './gsplat-unified-sorter.js';
import { Vec3 } from '../../core/math/vec3.js';
import type { Scene } from '../scene.js';
import type { GSplatPlacement } from './gsplat-placement.js';
import { GSplatOctreeInstance } from './gsplat-octree-instance.js';