import { Vec3 } from '@quake2ts/shared';
import { VirtualFileSystem } from './vfs.js';
export interface Md2Header {
    readonly ident: number;
    readonly version: number;
    readonly skinWidth: number;
    readonly skinHeight: number;
    readonly frameSize: number;
    readonly numSkins: number;
    readonly numVertices: number;
    readonly numTexCoords: number;
    readonly numTriangles: number;
    readonly numGlCommands: number;
    readonly numFrames: number;
    readonly offsetSkins: number;
    readonly offsetTexCoords: number;
    readonly offsetTriangles: number;
    readonly offsetFrames: number;
    readonly offsetGlCommands: number;
    readonly offsetEnd: number;
    readonly magic: number;
}
export interface Md2Skin {
    readonly name: string;
}
export interface Md2TexCoord {
    readonly s: number;
    readonly t: number;
}
export interface Md2Triangle {
    readonly vertexIndices: [number, number, number];
    readonly texCoordIndices: [number, number, number];
}
export interface Md2Vertex {
    readonly position: Vec3;
    readonly normalIndex: number;
    readonly normal: Vec3;
}
export interface Md2Frame {
    readonly name: string;
    readonly vertices: readonly Md2Vertex[];
    readonly minBounds: Vec3;
    readonly maxBounds: Vec3;
}
export interface Md2GlCommandVertex {
    readonly s: number;
    readonly t: number;
    readonly vertexIndex: number;
}
export interface Md2GlCommand {
    readonly mode: 'strip' | 'fan';
    readonly vertices: readonly Md2GlCommandVertex[];
}
export interface Md2Model {
    readonly header: Md2Header;
    readonly skins: readonly Md2Skin[];
    readonly texCoords: readonly Md2TexCoord[];
    readonly triangles: readonly Md2Triangle[];
    readonly frames: readonly Md2Frame[];
    readonly glCommands: readonly Md2GlCommand[];
    /**
     * Multiple LOD versions of model (high, medium, low poly)
     */
    readonly lods?: Md2Model[];
}
export interface Md2Animation {
    readonly name: string;
    readonly firstFrame: number;
    readonly lastFrame: number;
}
export declare class Md2ParseError extends Error {
}
export declare class Md2Loader {
    private readonly vfs;
    private readonly cache;
    constructor(vfs: VirtualFileSystem);
    load(path: string): Promise<Md2Model>;
    get(path: string): Md2Model | undefined;
}
export declare function parseMd2(buffer: ArrayBuffer): Md2Model;
export declare function groupMd2Animations(frames: readonly Md2Frame[]): Md2Animation[];
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