//
// --------------------------------------------------------
// BoxOverlapCheck
// Checks if one box overlaps others from an array
// Written by @Fusedthreed – https://FusedThreeD.com
// --------------------------------------------------------
//

@customNode()
export class BoxOverlapCheck extends BasicScriptNode {
  @input()
  boxA: APJS.SceneObject;

  @input()
  boxASize: APJS.Vector3f;

  @input()
  boxBList: APJS.SceneObject[];

  @input()
  boxBSize: APJS.Vector3f;

  @input()
  use3D: boolean = true;

  @input()
  pixelsPerUnit: number = 32;

  @output()
  touching: boolean;

  execute(): void {
    const aPos = this.boxA.getTransform().getWorldPosition();

    let boxASize = this.boxASize;
    let boxBSize = this.boxBSize;

    if (!this.use3D) {
      boxASize = new APJS.Vector3f(
        boxASize.x / this.pixelsPerUnit,
        boxASize.y / this.pixelsPerUnit,
        boxASize.z
      );

      boxBSize = new APJS.Vector3f(
        boxBSize.x / this.pixelsPerUnit,
        boxBSize.y / this.pixelsPerUnit,
        boxBSize.z
      );
    }

    const aMin = new APJS.Vector3f(
      aPos.x - boxASize.x / 2,
      aPos.y - boxASize.y / 2,
      aPos.z - boxASize.z / 2
    );

    const aMax = new APJS.Vector3f(
      aPos.x + boxASize.x / 2,
      aPos.y + boxASize.y / 2,
      aPos.z + boxASize.z / 2
    );

    this.touching = false;

    for (let i = 0; i < this.boxBList.length; i++) {
      const bPos = this.boxBList[i].getTransform().getWorldPosition();

      const bMin = new APJS.Vector3f(
        bPos.x - boxBSize.x / 2,
        bPos.y - boxBSize.y / 2,
        bPos.z - boxBSize.z / 2
      );

      const bMax = new APJS.Vector3f(
        bPos.x + boxBSize.x / 2,
        bPos.y + boxBSize.y / 2,
        bPos.z + boxBSize.z / 2
      );

      const overlap = this.use3D
        ? (
            aMin.x <= bMax.x && aMax.x >= bMin.x &&
            aMin.y <= bMax.y && aMax.y >= bMin.y &&
            aMin.z <= bMax.z && aMax.z >= bMin.z
          )
        : (
            aMin.x <= bMax.x && aMax.x >= bMin.x &&
            aMin.y <= bMax.y && aMax.y >= bMin.y
          );

      if (overlap) {
        this.touching = true;
        break;
      }
    }
  }
}