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QianMoQianMo
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add 2 more example
add 2 more example
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‎Assets/Behavioral Patterns/Visitor Pattern/Exmaple2.meta‎

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‎Assets/Behavioral Patterns/Visitor Pattern/Exmaple2/VisitorPatternExample2.cs‎

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//-------------------------------------------------------------------------------------
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// VisitorPatternExample2.cs
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//-------------------------------------------------------------------------------------
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using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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namespace VisitorPatternExample2
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{
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public class VisitorPatternExample2 : MonoBehaviour
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{
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void Start()
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{
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// Setup employee collection
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Employees e = new Employees();
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e.Attach(new Clerk());
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e.Attach(new Director());
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e.Attach(new President());
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// Employees are 'visited'
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e.Accept(new IncomeVisitor());
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e.Accept(new VacationVisitor());
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}
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/// <summary>
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/// The 'Visitor' interface
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/// </summary>
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interface IVisitor
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{
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void Visit(Element element);
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}
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/// <summary>
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/// A 'ConcreteVisitor' class
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/// </summary>
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class IncomeVisitor : IVisitor
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{
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public void Visit(Element element)
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{
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Employee employee = element as Employee;
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// Provide 10% pay raise
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employee.Income *= 1.10;
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Debug.Log(string.Format("{0} {1}'s new income: {2:C}",
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employee.GetType().Name, employee.Name,
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employee.Income));
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}
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}
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/// <summary>
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/// A 'ConcreteVisitor' class
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/// </summary>
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class VacationVisitor : IVisitor
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{
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public void Visit(Element element)
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{
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Employee employee = element as Employee;
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// Provide 3 extra vacation days
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employee.VacationDays += 3;
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Debug.Log(string.Format("{0} {1}'s new vacation days: {2}",
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employee.GetType().Name, employee.Name,
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employee.VacationDays));
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}
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}
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/// <summary>
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/// The 'Element' abstract class
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/// </summary>
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abstract class Element
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{
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public abstract void Accept(IVisitor visitor);
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}
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/// <summary>
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/// The 'ConcreteElement' class
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/// </summary>
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class Employee : Element
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{
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private string _name;
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private double _income;
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private int _vacationDays;
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// Constructor
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public Employee(string name, double income,
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int vacationDays)
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{
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this._name = name;
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this._income = income;
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this._vacationDays = vacationDays;
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}
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// Gets or sets the name
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public string Name
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{
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get { return _name; }
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set { _name = value; }
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}
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// Gets or sets income
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public double Income
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{
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get { return _income; }
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set { _income = value; }
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}
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// Gets or sets number of vacation days
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public int VacationDays
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{
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get { return _vacationDays; }
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set { _vacationDays = value; }
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}
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public override void Accept(IVisitor visitor)
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{
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visitor.Visit(this);
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}
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}
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/// <summary>
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/// The 'ObjectStructure' class
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/// </summary>
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class Employees
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{
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private List<Employee> _employees = new List<Employee>();
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public void Attach(Employee employee)
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{
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_employees.Add(employee);
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}
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public void Detach(Employee employee)
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{
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_employees.Remove(employee);
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}
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public void Accept(IVisitor visitor)
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{
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foreach (Employee e in _employees)
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{
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e.Accept(visitor);
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}
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}
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}
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// Three employee types
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class Clerk : Employee
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{
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// Constructor
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public Clerk()
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: base("Hank", 25000.0, 14)
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{
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}
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}
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class Director : Employee
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{
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// Constructor
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public Director()
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: base("Elly", 35000.0, 16)
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{
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}
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}
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class President : Employee
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{
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// Constructor
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public President()
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: base("Dick", 45000.0, 21)
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{
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}
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}
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}
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}
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‎Assets/Behavioral Patterns/Visitor Pattern/Exmaple2/VisitorPatternExample2.cs.meta‎

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‎Assets/Behavioral Patterns/Visitor Pattern/Exmaple2/VisitorPatternExample2.unity‎

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‎Assets/Behavioral Patterns/Visitor Pattern/Exmaple2/VisitorPatternExample2.unity.meta‎

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‎Assets/Creational Patterns/Abstract Factory Pattern/Example2.meta‎

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‎Assets/Creational Patterns/Abstract Factory Pattern/Example2/AbstractFactoryPatternExample2.cs‎

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//-------------------------------------------------------------------------------------
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// AbstractFactoryPatternExample2.cs
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//-------------------------------------------------------------------------------------
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// allows a family of related objects without specifying the concrete class
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// when there are many objects that can be added or changed dynamically
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// you can model everything you can image and have those objects interact through common interfaces
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// negative: can get very complicated
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using UnityEngine;
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using System.Collections;
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namespace AbstractFactoryPatternExample2
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{
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public class AbstractFactoryPatternExample2 : MonoBehaviour
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{
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void Start ( )
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{
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EnemyShipBuilding ufoBuilder = new UFOEnemyShipBuilding();
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ufoBuilder.orderShip(ShipType.UFO);
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}
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}
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public enum ShipType
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{
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UFO
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}
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public abstract class EnemyShipBuilding
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{
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// abstract order form:
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protected abstract EnemyShip MakeEnemyShip(ShipType type);
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public EnemyShip orderShip(ShipType type)
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{
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EnemyShip ship = MakeEnemyShip(type);
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ship.MakeShip();
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ship.DisplayShip();
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ship.FollowHeroShip();
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ship.Shoot();
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return ship;
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}
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}
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public class UFOEnemyShipBuilding : EnemyShipBuilding
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{
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// Make Ship varies per ship type...
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protected override EnemyShip MakeEnemyShip(ShipType type)
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{
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EnemyShip ship = null;
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if (type == ShipType.UFO)
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{
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IEnemyShipFactory factory = new UFOEnemyShipFactory();
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ship = new UFOEnemyShip(factory);
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ship.name = "UFO";
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}
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return ship;
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}
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}
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public interface IEnemyShipFactory
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{
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IESWeapon AddESGun();
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IESEngine AddESEngine();
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}
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public class UFOEnemyShipFactory : IEnemyShipFactory
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{
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// each factory can add different weapons and stuff
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public IESWeapon AddESGun()
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{
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return new ESUFOGun();
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}
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public IESEngine AddESEngine()
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{
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return new ESUFOEngine();
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}
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}
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public abstract class EnemyShip
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{
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public string name;
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protected IESEngine engine;
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protected IESWeapon weapon;
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public abstract void MakeShip();
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public void DisplayShip()
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{
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Debug.Log(name + " is on the screen.");
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}
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public void FollowHeroShip()
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{
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Debug.Log(name + " follows hero ship with " + engine.ToString());
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}
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public void Shoot()
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{
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Debug.Log(name + " shoots and does " + weapon.ToString());
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}
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public string ToString()
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{
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return "The " + name + " has a speed of " + engine.ToString() + " a firepower of " + weapon.ToString();
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}
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}
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public class UFOEnemyShip : EnemyShip
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{
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IEnemyShipFactory factory;
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public UFOEnemyShip(IEnemyShipFactory factory)
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{
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this.factory = factory;
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}
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public override void MakeShip()
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{
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Debug.Log("Making enemy ship " + name);
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weapon = factory.AddESGun();
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engine = factory.AddESEngine();
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}
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}
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// possible Weapons to swap in and out
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public interface IESWeapon
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{
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string ToString();
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}
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public interface IESEngine
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{
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string ToString();
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}
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public class ESUFOGun : IESWeapon
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{
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public string ToString()
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{
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return "20 damage";
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}
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}
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public class ESUFOEngine : IESEngine
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{
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public string ToString()
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{
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return "1000 mph";
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}
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}
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}
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