Angel 3.2
A 2D Game Prototyping Engine
Message.h
1 
2 // Copyright (C) 2008-2013, Shane Liesegang
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29 
30 #pragma once
31 
32 #include "../Util/StringUtil.h"
33 
34 //forward declaration
35 class MessageListener;
36 
38 
50 class Message
51 {
52 public:
57  Message();
58 
62  virtual ~Message();
63 
72  Message(const String& messageName, MessageListener* sender = NULL);
73 
81  virtual const String& GetMessageName() const;
82 
89  MessageListener* const GetSender();
90 
91 protected:
92  String _messageName;
93  MessageListener* _sender;
94 };
95 
97 
110 template <class T>
111 class TypedMessage : public Message
112 {
113 public:
121  TypedMessage(const String& messageName, T value, MessageListener* sender = NULL)
122  {
123  _messageName = messageName;
124  _value = value;
125  _sender = sender;
126  }
127 
133  const T GetValue()
134  {
135  return _value;
136  }
137 
138 protected:
139  T _value;
140 };
141 
143 
149 {
150 public:
151  virtual ~MessageListener();
152 
161  virtual void ReceiveMessage(Message* m) = 0;
162 };