System.register(["__unresolved_0", "cc", "__unresolved_1"], function (_export, _context) {
  "use strict";

  var _reporterNs, _cclegacy, ECSModel, ECSComblockSystem, ECSRootSystem, ECSSystem, _crd;

  function _reportPossibleCrUseOfecs(extras) {
    _reporterNs.report("ecs", "./ECS", _context.meta, extras);
  }

  function _reportPossibleCrUseOfECSEntity(extras) {
    _reporterNs.report("ECSEntity", "./ECSEntity", _context.meta, extras);
  }

  function _reportPossibleCrUseOfECSGroup(extras) {
    _reporterNs.report("ECSGroup", "./ECSGroup", _context.meta, extras);
  }

  function _reportPossibleCrUseOfECSModel(extras) {
    _reporterNs.report("ECSModel", "./ECSModel", _context.meta, extras);
  }

  _export({
    ECSComblockSystem: void 0,
    ECSRootSystem: void 0,
    ECSSystem: void 0
  });

  return {
    setters: [function (_unresolved_) {
      _reporterNs = _unresolved_;
    }, function (_cc) {
      _cclegacy = _cc.cclegacy;
    }, function (_unresolved_2) {
      ECSModel = _unresolved_2.ECSModel;
    }],
    execute: function () {
      _crd = true;

      _cclegacy._RF.push({}, "9261fRWg2RBY5kxbFJsY1QC", "ECSSystem", undefined);

      /** 继承此类实现具体业务逻辑的系统 */
      _export("ECSComblockSystem", ECSComblockSystem = class ECSComblockSystem {
        /** 构造函数 */
        constructor() {
          this.group = void 0;
          this.dt = 0;
          this.enteredEntities = null;
          this.removedEntities = null;
          this.hasEntityEnter = false;
          this.hasEntityRemove = false;
          this.hasUpdate = false;
          this.tmpExecute = null;
          this.execute = void 0;
          var hasOwnProperty = Object.hasOwnProperty;
          var prototype = Object.getPrototypeOf(this);
          var hasEntityEnter = hasOwnProperty.call(prototype, 'entityEnter');
          var hasEntityRemove = hasOwnProperty.call(prototype, 'entityRemove');
          var hasFirstUpdate = hasOwnProperty.call(prototype, 'firstUpdate');
          var hasUpdate = hasOwnProperty.call(prototype, 'update');
          this.hasEntityEnter = hasEntityEnter;
          this.hasEntityRemove = hasEntityRemove;
          this.hasUpdate = hasUpdate;

          if (hasEntityEnter || hasEntityRemove) {
            this.enteredEntities = new Map();
            this.removedEntities = new Map();
            this.execute = this.execute1;
            this.group = (_crd && ECSModel === void 0 ? (_reportPossibleCrUseOfECSModel({
              error: Error()
            }), ECSModel) : ECSModel).createGroup(this.filter());
            this.group.watchEntityEnterAndRemove(this.enteredEntities, this.removedEntities);
          } else {
            this.execute = this.execute0;
            this.group = (_crd && ECSModel === void 0 ? (_reportPossibleCrUseOfECSModel({
              error: Error()
            }), ECSModel) : ECSModel).createGroup(this.filter());
          }

          if (hasFirstUpdate) {
            this.tmpExecute = this.execute;
            this.execute = this.updateOnce;
          }
        }
        /** 系统实始化 */


        init() {}
        /** 系统释放事件 */


        onDestroy() {}
        /** 是否存在实体 */


        hasEntity() {
          return this.group.count > 0;
        }
        /**
         * 先执行entityEnter，最后执行firstUpdate
         * @param dt 
         * @returns 
         */


        updateOnce(dt) {
          if (this.group.count === 0) {
            return;
          }

          this.dt = dt; // 处理刚进来的实体

          if (this.enteredEntities.size > 0) {
            var entities = this.enteredEntities.values();

            for (var entity of entities) {
              this.entityEnter(entity);
            }

            this.enteredEntities.clear();
          } // 只执行firstUpdate


          for (var _entity of this.group.matchEntities) {
            this.firstUpdate(_entity);
          }

          this.execute = this.tmpExecute;
          this.execute(dt);
          this.tmpExecute = null;
        }
        /**
         * 只执行update
         * @param dt 
         * @returns 
         */


        execute0(dt) {
          if (this.group.count === 0) return;
          this.dt = dt; // 执行update

          if (this.hasUpdate) {
            for (var entity of this.group.matchEntities) {
              this.update(entity);
            }
          }
        }
        /**
         * 先执行entityRemove，再执行entityEnter，最后执行update
         * @param dt 
         * @returns 
         */


        execute1(dt) {
          var entities;

          if (this.removedEntities.size > 0) {
            if (this.hasEntityRemove) {
              entities = this.removedEntities.values();

              for (var entity of entities) {
                this.entityRemove(entity);
              }
            }

            this.removedEntities.clear();
          }

          if (this.group.count === 0) return;
          this.dt = dt; // 处理刚进来的实体

          if (this.enteredEntities.size > 0) {
            if (this.hasEntityEnter) {
              entities = this.enteredEntities.values();

              for (var _entity2 of entities) {
                this.entityEnter(_entity2);
              }
            }

            this.enteredEntities.clear();
          } // 执行update


          if (this.hasUpdate) {
            for (var _entity3 of this.group.matchEntities) {
              this.update(_entity3);
            }
          }
        }
        /**
         * 实体过滤规则
         * 
         * 根据提供的组件过滤实体。
         */


      });
      /** 根System，对游戏中的System遍历从这里开始，一个System组合中只能有一个RootSystem，可以有多个并行的RootSystem */


      ECSComblockSystem.s = true;

      _export("ECSRootSystem", ECSRootSystem = class ECSRootSystem {
        constructor() {
          this.executeSystemFlows = [];
          this.systemCnt = 0;
        }

        add(system) {
          if (system instanceof ECSSystem) {
            // 将嵌套的System都“摊平”，放在根System中进行遍历，减少execute的频繁进入退出。
            Array.prototype.push.apply(this.executeSystemFlows, system.comblockSystems);
          } else {
            this.executeSystemFlows.push(system);
          }

          this.systemCnt = this.executeSystemFlows.length;
          return this;
        }

        init() {
          // 自动注册系统组件
          (_crd && ECSModel === void 0 ? (_reportPossibleCrUseOfECSModel({
            error: Error()
          }), ECSModel) : ECSModel).systems.forEach(sys => this.add(sys)); // 初始化组件

          this.executeSystemFlows.forEach(sys => sys.init());
        }

        execute(dt) {
          for (var i = 0; i < this.systemCnt; i++) {
            // @ts-ignore
            this.executeSystemFlows[i].execute(dt);
          }
        }

        clear() {
          this.executeSystemFlows.forEach(sys => sys.onDestroy());
        }

      });
      /** 系统组合器，用于将多个相同功能模块的系统逻辑上放在一起，系统也可以嵌套系统 */


      _export("ECSSystem", ECSSystem = class ECSSystem {
        constructor() {
          this._comblockSystems = [];
        }

        get comblockSystems() {
          return this._comblockSystems;
        }

        add(system) {
          if (system instanceof ECSSystem) {
            Array.prototype.push.apply(this._comblockSystems, system._comblockSystems);
            system._comblockSystems.length = 0;
          } else {
            this._comblockSystems.push(system);
          }

          return this;
        }

      });

      _cclegacy._RF.pop();

      _crd = false;
    }
  };
});
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