import { BinaryIO } from '../common/BinaryIO.js';
import type { ArxQuaternion, ArxVector3 } from '../common/types.js';
import type { ArxTheaSample } from './types.js';
/**
 * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/animation/Animation.h#L131
 * @see https://github.com/arx/ArxLibertatis/blob/ArxFatalis-1.21/Sources/Include/EERIETypes.h#L667
 */
export declare enum ArxAnimationPlayingFlags {
    None = 0,
    /**
     * Must be looped at end (indefinitely...)
     */
    Loop = 1,
    /**
     * Is played in reverse (from end to start)
     */
    Reverse = 2,
    /**
     * Is paused
     */
    Paused = 4,
    /**
     * Has just finished
     */
    AnimEnd = 8,
    /**
     * Is a static Anim (no movement offset returned)
     */
    StaticAnim = 16,
    /**
     * Must be stopped at end
     */
    StopEnd = 32,
    /**
     * User controlled... MUST be played...
     */
    ForcePlay = 64,
    /**
     * ctime externally set, no update
     */
    ExControl = 128
}
/**
 * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/animation/AnimationFormat.h#L116
 */
export type ArxTheoAnimationGroup = {
    isKey: boolean;
    /**
     * if value is missing than it means it's a quaternion with 0/0/0/1 values
     */
    quaternion?: ArxQuaternion;
    /**
     * if value is missing than it means it's a vector with 0/0/0 values
     */
    translate?: ArxVector3;
    /**
     * if value is missing than it means it's a vector with 0/0/0 values
     */
    zoom?: ArxVector3;
};
/**
 * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/animation/AnimationFormat.h#L91 - old keyframe format
 * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/animation/AnimationFormat.h#L102 - new keyframe format
 *
 * The new keyframe format contains an "info_frame" field, but the runtime code doesn't use it, it holds no data or garbage
 *
 * The original data is extended with optional fields that get computed when parsing keyframe data
 */
export type ArxKeyFrame = {
    /**
     * Position of this keyframe on the timeline set between `0` (inclusive) and `ArxTeaHeader.totalNumberOfFrames` (exclusive)
     */
    frame: number;
    /**
     * always set to -1 or 9 in tea files, so Arx Libertatis in debug mode expects only those 2 values
     * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/animation/Animation.cpp#L304
     *
     * if ommitted the default value is -1
     */
    flags?: ArxAnimationPlayingFlags;
    /**
     * not used by Arx
     */
    isMasterKeyFrame: boolean;
    /**
     * not used by Arx
     */
    isKeyFrame: boolean;
    timeFrame: number;
    groups: ArxTheoAnimationGroup[];
    /**
     * if value is missing than it means it's a vector with 0/0/0 values
     */
    translate?: ArxVector3;
    /**
     * if value is missing than it means it's a quaternion with 0/0/0/1 values
     */
    quaternion?: ArxQuaternion;
    sample?: ArxTheaSample;
};
export declare class KeyFrame {
    static readFrom(binary: BinaryIO<ArrayBufferLike>, version: number, numberOfGroups: number): ArxKeyFrame;
    static accumulateFrom(keyframe: ArxKeyFrame): ArrayBuffer;
    static sizeOf(version: number, hasTranslateData: boolean, hasQuaternionData: boolean, hasMorphData: boolean, numberOfGroups: number, hasSample: boolean, sampleSize?: number): number;
}