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#pragma once
// matrix.hpp - A 2D array.
//
// Copyright © 2013 Ben Longbons <b.r.longbons@gmail.com>
//
// This file is part of The Mana World (Athena server)
//
// This program 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.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#include "fwd.hpp"
#include <cassert>
#include "../compat/memory.hpp"
namespace tmwa
{
template<class T>
class Matrix
{
std::unique_ptr<T[]> _data;
size_t _xs, _ys;
public:
Matrix()
: _data()
, _xs()
, _ys()
{}
Matrix(size_t x, size_t y)
: _data(make_unique<T[]>(x * y))
, _xs(x)
, _ys(y)
{}
// no copy-ctor or copy-assign
void reset(size_t x, size_t y)
{
*this = Matrix(x, y);
}
void clear()
{
*this = Matrix();
}
T& ref(size_t x, size_t y)
{
assert (x < _xs);
assert (y < _ys);
return _data[x + y * _xs];
}
const T& ref(size_t x, size_t y) const
{
assert (x < _xs);
assert (y < _ys);
return _data[x + y * _xs];
}
size_t xs() const
{
return _xs;
}
size_t ys() const
{
return _ys;
}
};
} // namespace tmwa
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