@openhps/core/src/three/materials/nodes/MeshStandardNodeMaterial.js

Open Hybrid Positioning System - Core component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _NodeMaterial = _interopRequireDefault(require("./NodeMaterial.js"));
var _PropertyNode = require("../../nodes/core/PropertyNode.js");
var _MathNode = require("../../nodes/math/MathNode.js");
var _MaterialNode = require("../../nodes/accessors/MaterialNode.js");
var _getRoughness = _interopRequireDefault(require("../../nodes/functions/material/getRoughness.js"));
var _PhysicalLightingModel = _interopRequireDefault(require("../../nodes/functions/PhysicalLightingModel.js"));
var _EnvironmentNode = _interopRequireDefault(require("../../nodes/lighting/EnvironmentNode.js"));
var _TSLBase = require("../../nodes/tsl/TSLBase.js");
var _MeshStandardMaterial = require("../MeshStandardMaterial.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const _defaultValues = /*@__PURE__*/new _MeshStandardMaterial.MeshStandardMaterial();

/**
 * Node material version of {@link MeshStandardMaterial}.
 *
 * @augments NodeMaterial
 */
class MeshStandardNodeMaterial extends _NodeMaterial.default {
  static get type() {
    return 'MeshStandardNodeMaterial';
  }

  /**
   * Constructs a new mesh standard node material.
   *
   * @param {Object} [parameters] - The configuration parameter.
   */
  constructor(parameters) {
    super();

    /**
     * This flag can be used for type testing.
     *
     * @type {boolean}
     * @readonly
     * @default true
     */
    this.isMeshStandardNodeMaterial = true;

    /**
     * Set to `true` because standard materials react on lights.
     *
     * @type {boolean}
     * @default true
     */
    this.lights = true;

    /**
     * The emissive color of standard materials is by default inferred from the `emissive`,
     * `emissiveIntensity` and `emissiveMap` properties. This node property allows to
     * overwrite the default and define the emissive color with a node instead.
     *
     * If you don't want to overwrite the emissive color but modify the existing
     * value instead, use {@link materialEmissive}.
     *
     * @type {?Node<vec3>}
     * @default null
     */
    this.emissiveNode = null;

    /**
     * The metalness of standard materials is by default inferred from the `metalness`,
     * and `metalnessMap` properties. This node property allows to
     * overwrite the default and define the metalness with a node instead.
     *
     * If you don't want to overwrite the metalness but modify the existing
     * value instead, use {@link materialMetalness}.
     *
     * @type {?Node<float>}
     * @default null
     */
    this.metalnessNode = null;

    /**
     * The roughness of standard materials is by default inferred from the `roughness`,
     * and `roughnessMap` properties. This node property allows to
     * overwrite the default and define the roughness with a node instead.
     *
     * If you don't want to overwrite the roughness but modify the existing
     * value instead, use {@link materialRoughness}.
     *
     * @type {?Node<float>}
     * @default null
     */
    this.roughnessNode = null;
    this.setDefaultValues(_defaultValues);
    this.setValues(parameters);
  }

  /**
   * Overwritten since this type of material uses {@link EnvironmentNode}
   * to implement the PBR (PMREM based) environment mapping. Besides, the
   * method honors `Scene.environment`.
   *
   * @param {NodeBuilder} builder - The current node builder.
   * @return {?EnvironmentNode<vec3>} The environment node.
   */
  setupEnvironment(builder) {
    let envNode = super.setupEnvironment(builder);
    if (envNode === null && builder.environmentNode) {
      envNode = builder.environmentNode;
    }
    return envNode ? new _EnvironmentNode.default(envNode) : null;
  }

  /**
   * Setups the lighting model.
   *
   * @return {PhysicalLightingModel} The lighting model.
   */
  setupLightingModel( /*builder*/
  ) {
    return new _PhysicalLightingModel.default();
  }

  /**
   * Setups the specular related node variables.
   */
  setupSpecular() {
    const specularColorNode = (0, _MathNode.mix)((0, _TSLBase.vec3)(0.04), _PropertyNode.diffuseColor.rgb, _PropertyNode.metalness);
    _PropertyNode.specularColor.assign(specularColorNode);
    _PropertyNode.specularF90.assign(1.0);
  }

  /**
   * Setups the standard specific node variables.
   *
   * @param {NodeBuilder} builder - The current node builder.
   */
  setupVariants() {
    // METALNESS

    const metalnessNode = this.metalnessNode ? (0, _TSLBase.float)(this.metalnessNode) : _MaterialNode.materialMetalness;
    _PropertyNode.metalness.assign(metalnessNode);

    // ROUGHNESS

    let roughnessNode = this.roughnessNode ? (0, _TSLBase.float)(this.roughnessNode) : _MaterialNode.materialRoughness;
    roughnessNode = (0, _getRoughness.default)({
      roughness: roughnessNode
    });
    _PropertyNode.roughness.assign(roughnessNode);

    // SPECULAR COLOR

    this.setupSpecular();

    // DIFFUSE COLOR

    _PropertyNode.diffuseColor.assign((0, _TSLBase.vec4)(_PropertyNode.diffuseColor.rgb.mul(metalnessNode.oneMinus()), _PropertyNode.diffuseColor.a));
  }
  copy(source) {
    this.emissiveNode = source.emissiveNode;
    this.metalnessNode = source.metalnessNode;
    this.roughnessNode = source.roughnessNode;
    return super.copy(source);
  }
}
var _default = exports.default = MeshStandardNodeMaterial;