Angel 3.2
A 2D Game Prototyping Engine
RenderableIterator.h
1 
2 // Copyright (C) 2008-2013, Shane Liesegang
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29 
30 #pragma once
31 
32 #include "../Infrastructure/Renderable.h"
33 
34 typedef std::vector<Renderable*> RenderList;
35 typedef std::map<int, RenderList> RenderLayers;
36 
38 
43 class RenderableIterator: public std::iterator<std::forward_iterator_tag, Renderable*>
44 {
45 public:
46  RenderableIterator() : _ptr(NULL)
47  {
48  }
49 
50  Renderable* operator*()
51  {
52  return (_ptr);
53  }
54 
55  RenderableIterator& begin();
56  RenderableIterator& end();
57 
58  bool operator!=( const RenderableIterator& iter ) const;
59  RenderableIterator& erase( RenderableIterator& item_to_remove );
60  const RenderableIterator& operator++();
61 
62 private:
63  RenderLayers::iterator _layerIterator;
64  RenderList::iterator _myIterator;
65  Renderable *_ptr;
66 };