(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports", "three", "../core/NodeBuilder.js", "../materials/NodeMaterial.js", "./TextureNode.js"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require("three"), require("../core/NodeBuilder.js"), require("../materials/NodeMaterial.js"), require("./TextureNode.js"));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.three, global.NodeBuilder, global.NodeMaterial, global.TextureNode);
    global.RTTNode = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _three, _NodeBuilder, _NodeMaterial, _TextureNode2) {
  "use strict";

  Object.defineProperty(_exports, "__esModule", {
    value: true
  });
  _exports.RTTNode = void 0;

  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

  function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

  function _get() { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get.apply(this, arguments); }

  function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }

  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } Object.defineProperty(subClass, "prototype", { value: Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }), writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

  function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

  function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

  function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

  function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

  var RTTNode = /*#__PURE__*/function (_TextureNode) {
    _inherits(RTTNode, _TextureNode);

    var _super = _createSuper(RTTNode);

    function RTTNode(width, height, input) {
      var _this;

      var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};

      _classCallCheck(this, RTTNode);

      var renderTarget = new _three.WebGLRenderTarget(width, height, options);
      _this = _super.call(this, renderTarget.texture);
      _this.input = input;
      _this.clear = options.clear !== undefined ? options.clear : true;
      _this.renderTarget = renderTarget;
      _this.material = new _NodeMaterial.NodeMaterial();
      _this.camera = new _three.OrthographicCamera(-1, 1, 1, -1, 0, 1);
      _this.scene = new _three.Scene();
      _this.quad = new _three.Mesh(new _three.PlaneGeometry(2, 2), _this.material);
      _this.quad.frustumCulled = false; // Avoid getting clipped

      _this.scene.add(_this.quad);

      _this.render = true;
      return _this;
    }

    _createClass(RTTNode, [{
      key: "build",
      value: function build(builder, output, uuid) {
        var rttBuilder = new _NodeBuilder.NodeBuilder();
        rttBuilder.nodes = builder.nodes;
        rttBuilder.updaters = builder.updaters;
        this.material.fragment.value = this.input;
        this.material.build({
          builder: rttBuilder
        });
        return _get(_getPrototypeOf(RTTNode.prototype), "build", this).call(this, builder, output, uuid);
      }
    }, {
      key: "updateFramesaveTo",
      value: function updateFramesaveTo(frame) {
        this.saveTo.render = false;

        if (this.saveTo !== this.saveToCurrent) {
          if (this.saveToMaterial) this.saveToMaterial.dispose();
          var material = new _NodeMaterial.NodeMaterial();
          material.fragment.value = this;
          material.build();
          var scene = new _three.Scene();
          var quad = new _three.Mesh(new _three.PlaneGeometry(2, 2), material);
          quad.frustumCulled = false; // Avoid getting clipped

          scene.add(quad);
          this.saveToScene = scene;
          this.saveToMaterial = material;
        }

        this.saveToCurrent = this.saveTo;
        frame.renderer.setRenderTarget(this.saveTo.renderTarget);
        if (this.saveTo.clear) frame.renderer.clear();
        frame.renderer.render(this.saveToScene, this.camera);
      }
    }, {
      key: "updateFrame",
      value: function updateFrame(frame) {
        if (frame.renderer) {
          // from the second frame
          if (this.saveTo && this.saveTo.render === false) {
            this.updateFramesaveTo(frame);
          }

          if (this.render) {
            if (this.material.uniforms.renderTexture) {
              this.material.uniforms.renderTexture.value = frame.renderTexture;
            }

            frame.renderer.setRenderTarget(this.renderTarget);
            if (this.clear) frame.renderer.clear();
            frame.renderer.render(this.scene, this.camera);
          } // first frame


          if (this.saveTo && this.saveTo.render === true) {
            this.updateFramesaveTo(frame);
          }
        } else {
          console.warn('RTTNode need a renderer in NodeFrame');
        }
      }
    }, {
      key: "copy",
      value: function copy(source) {
        _get(_getPrototypeOf(RTTNode.prototype), "copy", this).call(this, source);

        this.saveTo = source.saveTo;
        return this;
      }
    }, {
      key: "toJSON",
      value: function toJSON(meta) {
        var data = this.getJSONNode(meta);

        if (!data) {
          data = _get(_getPrototypeOf(RTTNode.prototype), "toJSON", this).call(this, meta);
          if (this.saveTo) data.saveTo = this.saveTo.toJSON(meta).uuid;
        }

        return data;
      }
    }]);

    return RTTNode;
  }(_TextureNode2.TextureNode);

  _exports.RTTNode = RTTNode;
  RTTNode.prototype.nodeType = 'RTT';
});