MyCurry/src/gamelib/tileiterator.hpp

51 lines
1.5 KiB
C++

/*
Copyright 2016, 2017 Michele "King_DuckZ" Santullo
This file is part of MyCurry.
MyCurry is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MyCurry is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with MyCurry. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "vector.hpp"
#include "tileindextype.hpp"
#include <boost/iterator/iterator_facade.hpp>
#include <ciso646>
namespace curry {
class WorldViewport;
struct ScreenTile {
const TileIndex* index;
vec2i pixel_pos;
};
class TileIterator : public boost::iterator_facade<TileIterator, TileIndex, boost::bidirectional_traversal_tag, ScreenTile> {
typedef boost::iterator_facade<TileIterator, TileIndex, boost::bidirectional_traversal_tag, ScreenTile> base_class;
friend class boost::iterator_core_access;
public:
TileIterator (WorldViewport* parViewport, bool parEnd);
private:
ScreenTile dereference() const;
void increment();
bool equal (const TileIterator& parOther) const;
vec2i m_pixel_pos;
WorldViewport* m_viewport;
vec2us m_index;
};
} //namespace curry