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#pragma once
#include <boost/multi_array.hpp>
/**
* 2D grid of T's.
*/
template <typename T>
struct grid {
private:
boost::multi_array<T, 2> impl;
public:
/**
* Get reference to tile.
*/
T &operator ()(std::size_t x, std::size_t y)
{
return impl[y][x];
}
/**
* Get const reference to tile.
*/
T const &operator ()(std::size_t x, std::size_t y) const
{
return impl[y][x];
}
/**
* Resize grid. There is no guarantee whether
* existing elements will be preserved or not.
*/
void resize(std::size_t width, std::size_t height)
{
impl.resize(boost::extents[height][width]);
}
/**
* Get current width.
*/
std::size_t width() const
{
return impl.shape()[1];
}
/**
* Get current height.
*/
std::size_t height() const
{
return impl.shape()[0];
}
/**
* Set width. Same caveats apply as for resize().
*/
void width(std::size_t width)
{
resize(width, height());
}
/**
* Set height. Same caveats apply as for resize().
*/
void height(std::size_t height)
{
resize(width(), height);
}
};
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