/* Copyright 2015, Michele Santullo
 * This file is part of DoorKeeper.
 *
 * DoorKeeper 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.
 *
 * DoorKeeper 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 DoorKeeper.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace dk {
	template <typename T, typename T1>
	inline
	Vector<2> get_diamond_coordinates (const TileIterator<T, 2, T1>& parIterator, const Vector<2>& parSize) {
		PixelConvDiamond pconv(parSize, true, false);
		return pconv.to_pixel(parIterator->block_position());
	}

	template <typename T, typename T1>
	inline
	Vector<2> get_half_diamond_coordinates (const TileIterator<T, 2, T1>& parIterator, const Vector<2>& parSize) {
		PixelConvDiamond pconv(parSize, true, false, PixelConvDiamond::coords(1, 2));
		return pconv.to_pixel(parIterator->block_position());
	}

	template <uint32_t D, typename T, typename T1>
	inline
	Vector<D> get_square_coordinates (const TileIterator<T, D, T1>& parIterator, const Vector<D>& parSize) {
		PixelConvSquare<D> pconv((parSize));
		return pconv.to_pixel(parIterator->block_position());
	}

	template <typename T, typename T1>
	inline
	Vector<2> get_hex_coordinates (const TileIterator<T, 2, T1>& parIterator, const Vector<2>& parSize) {
		PixelConvHex pconv(parSize, true);
		return pconv.to_pixel(parIterator->block_position());
	}

	template <uint32_t D>
	PixelConv<D>::PixelConv (MapTypes parType, const coords& parTileSize) :
		m_tile_size(parTileSize),
		m_map_type(parType)
	{
	}

	template <uint32_t D>
	MapTypes PixelConv<D>::map_type() const {
		return m_map_type;
	}

	template <uint32_t D>
	auto PixelConv<D>::tile_size() const -> const coords& {
		return m_tile_size;
	}

	template <uint32_t D>
	PixelConvSquare<D>::PixelConvSquare (const coords& parTileSize) :
		base_class(MapType_Orthogonal, parTileSize)
	{
	}

	template <uint32_t D>
	auto PixelConvSquare<D>::to_pixel (const coords& parFrom) const -> coords {
		return parFrom * this->tile_size();
	}

	template <uint32_t D>
	auto PixelConvSquare<D>::pick_tile (const coords& parPixelPoint) const -> coords {
		return parPixelPoint / this->tile_size();
	}
} //namespace dk