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//-----------------------------------------------------------------------------
/** @file libpentobi_base/PieceTransforms.h
@author Markus Enzenberger
@copyright GNU General Public License version 3 or later */
//-----------------------------------------------------------------------------
#ifndef LIBPENTOBI_PIECE_TRANSFORMS_H
#define LIBPENTOBI_PIECE_TRANSFORMS_H
#include <vector>
#include "libboardgame_base/Transform.h"
namespace libpentobi_base {
using namespace std;
using libboardgame_base::Transform;
//-----------------------------------------------------------------------------
class PieceTransforms
{
public:
virtual ~PieceTransforms();
virtual const Transform* get_mirrored_horizontally(
const Transform* transf) const = 0;
virtual const Transform* get_mirrored_vertically(
const Transform* transf) const = 0;
virtual const Transform* get_rotated_anticlockwise(
const Transform* transf) const = 0;
virtual const Transform* get_rotated_clockwise(
const Transform* transf) const = 0;
const vector<const Transform*>& get_all() const;
/** Find the transform by its class.
@tparam T The class of the transform.
@return The pointer to the transform or null if the transforms do not
contain the instance of the given class. */
template<class T>
const Transform* find() const;
protected:
/** All piece transformations.
Must be initialized in constructor of subclass. */
vector<const Transform*> m_all;
};
template<class T>
const Transform* PieceTransforms::find() const
{
for (auto t : m_all)
if (dynamic_cast<const T*>(t))
return t;
return nullptr;
}
inline const vector<const Transform*>& PieceTransforms::get_all() const
{
return m_all;
}
//-----------------------------------------------------------------------------
} // namespace libpentobi_base
#endif // LIBPENTOBI_PIECE_TRANSFORMS_H
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