types.d.ts

declare module '@cesium/engine' {
  export class ShaderSource {
    sources: string[]
    defines: string[]
    constructor(options: { sources: string[]; defines: string[] })
  }

  // Cesium's type definition is wrong. The parameter type of raiseEvent()
  // should be (...args: Parameter<Listener>) instead of
  // (...args: Parameter<Listener>[]).
  // This cannot be fixed by augmentation but by overloading.
  export interface Event<
    Listener extends (...args: any[]) => void = (...args: any[]) => void
  > {
    // eslint-disable-next-line @typescript-eslint/method-signature-style
    raiseEvent(...arguments: Parameters<Listener>): void
  }

  // https://github.com/CesiumGS/cesium/blob/1.105/packages/engine/Source/Core/EllipsoidalOccluder.js
  export class EllipsoidalOccluder {
    constructor(ellipsoid: Ellipsoid, cameraPosition: Cartesian3)

    readonly ellipsoid: Ellipsoid
    cameraPosition: Cartesian3
    position: Cartesian3

    isPointVisible: (occludee: Cartesian3) => boolean
  }
}

declare module '@cesium/engine/Source/Scene/Cesium3DTilePass' {
  enum Cesium3DTilePass {
    PICK
  }
  export default Cesium3DTilePass
}

declare module '@cesium/engine/Source/Scene/Cesium3DTilePassState' {
  export default class Cesium3DTilePassState {
    viewport: BoundingRectangle
    constructor(arg: { pass: Cesium3DTilePass })
  }
}

declare module '@cesium/engine/Source/Renderer/DrawCommand' {
  const DrawCommand: () => void
  export default DrawCommand
}