import { worldTransformOf } from '../../NodeContext';
import type { NodeDef } from '../../NodeRegistry';
import { asEntity } from '../../values';
import { num, obj } from '../shared';

export const GetZ: NodeDef = {
  type: 'GetZ',
  label: 'Get Z',
  category: 'data',
  description:
    'The z of an object, which decides what is drawn in front: local to its parent (z) and summed up (world z).',
  inputs: [obj('object')],
  outputs: [num('z'), num('worldZ', 'world z')],
  params: [],
  run: (_ctx, inputs) => {
    const target = asEntity(inputs.object);
    return { outputs: { z: target?.z ?? 0, worldZ: target ? worldTransformOf(target).z : 0 } };
  },
};