package responsibility;

/**
 * DOC 技能接口，要綁定的技能都要實現這個接口
 * 
 */
public interface ISkill {

  public void castSkill();

}

package responsibility;

import java.util.ArrayList;
import java.util.List;

/**
 * DOC 宏類，用來把多個技能綁在一起，實現一鍵施放
 * 
 */
public class Macro {

  /**
   * DOC 多個技能綁在一起的集合
   */
  public List<ISkill> skills = new ArrayList<ISkill>();

  /**
   * 
   * DOC 按照綁定順序施放技能.
   */
  public void castSkill() {
    for (int i = 0; i < skills.size(); i++) {
      skills.get(i).castSkill();
    }
  }

  /**
   * DOC 綁定技能.
   * 
   * @param skill
   */
  public void bindSkill(ISkill skill) {
    skills.add(skill);
  }

}

package responsibility;

/**
 * DOC 寒冰箭技能，無冷卻時間
 * 
 */
public class IceArrow implements ISkill {

  @Override
  public void castSkill() {
    System.out.println("施放--》寒冰箭");
  }

}

package responsibility;

/**
 * DOC 冰血冷脈技能，冷卻時間2分鐘
 */
public class IceBloodFast implements ISkill {

  @Override
  public void castSkill() {
    // 這里可以用來判斷技能是否在冷卻當中,這里略去了
    System.out.println("施放--》冰血冷脈");
  }

}

package responsibility;

public class Main {

  public static void main(String[] args) {
    Macro macro = new Macro();
    macro.bindSkill(new IceBloodFast());
    macro.bindSkill(new IceArrow());
    macro.castSkill();
  }

}

正在施放--》冰血冷脈
施放--》寒冰箭