import { ArxColor, ArxPolygon, ArxPolygonFlags, ArxTextureContainer } from 'arx-convert/types';
import { QuadrupleOf } from 'arx-convert/utils';
import { Box3 } from 'three';
import { Color } from './Color.js';
import { Texture } from './Texture.js';
import { Vector3 } from './Vector3.js';
import { Vertex } from './Vertex.js';
export type TransparencyType = 'multiplicative' | 'additive' | 'blended' | 'subtractive';
type PolygonConfig = {
    /** setting this to true will prevent calculation of norm, norm2 and normals properties */
    areNormalsCalculated: boolean;
};
type PolygonContructorProps = {
    isQuad?: boolean;
    vertices: QuadrupleOf<Vertex>;
    /** face normal for the 1st half of the polygon enclosed by vertices a, b and c */
    norm?: Vector3;
    /** face normal for the 2nd half of the polygon enclosed by vertices d, b and c when polygon is a quad */
    norm2?: Vector3;
    texture?: Texture;
    flags?: ArxPolygonFlags;
    /** vertex normals */
    normals?: QuadrupleOf<Vector3>;
    transval?: number;
    area?: number;
    room?: number;
    paddy?: number;
    config?: Partial<PolygonConfig>;
};
export declare class Polygon {
    vertices: QuadrupleOf<Vertex>;
    /** face normal for the 1st half of the polygon enclosed by vertices a, b and c */
    norm: Vector3;
    /** face normal for the 2nd half of the polygon enclosed by vertices d, b and c when polygon is a quad */
    norm2: Vector3;
    texture?: Texture;
    flags: ArxPolygonFlags;
    /** vertex normals */
    normals?: QuadrupleOf<Vector3>;
    transval: number;
    area: number;
    room: number;
    paddy?: number;
    config: PolygonConfig;
    constructor(props: PolygonContructorProps);
    clone(): Polygon;
    static fromArxPolygon(polygon: ArxPolygon, colors: ArxColor[], textures: ArxTextureContainer[], areNormalsCalculated: boolean): Polygon;
    hasTexture(): this is {
        texture: Texture;
    };
    toArxPolygon(textureContainers: (ArxTextureContainer & {
        remaining: number;
    })[]): Promise<ArxPolygon>;
    isQuad(): boolean;
    isTransparent(): boolean;
    calculateNormals(): void;
    /**
     * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/graphics/data/Mesh.cpp#L1100
     */
    getNindices(): 3 | 6;
    /**
     * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/graphics/data/Mesh.cpp#L1102
     */
    getTransparencyType(): TransparencyType | 'opaque';
    setOpacity(percent: number, transparencyType?: TransparencyType): void;
    /**
     * Quote from Dscharrer:
     *
     * Looks like this is the "correct" formula for trinagles:
     * @see https://github.com/arx/ArxLibertatis/blob/ArxFatalis-1.21/Sources/EERIE/EERIEPoly.cpp#L3134
     *
     * And for quads:
     * @see https://github.com/arx/ArxLibertatis/blob/ArxFatalis-1.21/Sources/EERIE/EERIEDraw.cpp#L267
     *
     * At least the triangle formula looks like it was supposed to be the actual area but it only works for
     * specific kinds of triangles. The quad "area" is probably annoying or impossible to replicate as it will
     * depend on the order of the vertices in the triangle before they were reordered when merging into the quad.
     *
     * AFAICT the area value is only used for collisions to to do additional checks for larger polygons.
     * I don't think the exact value matters in practice.
     */
    calculateArea(): void;
    /**
     * assuming the order of vertices taking up a russian i (И) shape:
     * ```
     * 0 2
     * 1 3
     * ```
     * `isQuadPart` === false -> calculate the area of 0-1-2
     * `isQuadPart` === true  -> calculate the area of 1-2-3
     */
    private getHalfPolygonArea;
    /**
     * All the vertices are inside or on the surface of the box
     * If exludeOnSurface (default true) is true, then we ignore checking the surface by shrinking
     * the box by 1 on each side
     */
    isWithin(box: Box3, excludeOnSurface?: boolean): boolean;
    /**
     * At least one of the vertices are inside or on the surface of the box
     * If `exludeOnSurface` (default true) is true, then we ignore checking the surface by shrinking
     * the box by a specific value on each side
     */
    isPartiallyWithin(box: Box3, excludeOnSurface?: boolean): boolean;
    setColor(color: Color): void;
    move(offset: Vector3): void;
    scale(scale: number): void;
    equals(polygon: Polygon, epsilon?: number): boolean;
    isOutOfBounds(): boolean;
    makeDoubleSided(): void;
    flipUVHorizontally(): void;
    flipUVVertically(): void;
    getBoundingBox(): Box3;
}
export {};