DoorKeeper/include/doorkeeper/implem/pixelconv.inl

81 lines
2.6 KiB
C++

/* 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 <CoordinateScalarType DivX, CoordinateScalarType DivY>
PixelConvDiamond<DivX, DivY>::PixelConvDiamond (const coords& parTileSize, bool parStaggered, bool parFirstReentrant) :
base_class(parStaggered ? MapType_IsometricStaggered : MapType_Isometric, parTileSize),
m_first_reentr(parFirstReentrant ? 1 : 0),
m_staggered(parStaggered)
{
}
template <CoordinateScalarType DivX, CoordinateScalarType DivY>
auto PixelConvDiamond<DivX, DivY>::to_pixel (const coords& parFrom) const -> coords {
if (m_staggered) {
const auto from(parFrom);
const CoordinateScalarType xoffs = m_first_reentr xor (from.y() bitand 1);
const auto& tile_size = this->tile_size();
const auto retval(from * tile_size + coords(xoffs * tile_size.x() / 2, 0));
return coords(retval.x() / DivX, retval.y() / DivY);
}
else {
DK_ASSERT(false); //not implemented
return coords(0);
}
}
template <CoordinateScalarType DivX, CoordinateScalarType DivY>
auto PixelConvDiamond<DivX, DivY>::pick_tile (const coords& parPixelPoint) const -> coords {
DK_ASSERT(false); //not implemented
return coords(0);
}
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