100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
/* Copyright 2015, Michele Santullo
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* This file is part of DoorKeeper.
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*
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* DoorKeeper is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DoorKeeper is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DoorKeeper. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace dk {
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template <typename PixConv>
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Viewport<PixConv>::Viewport (Tyler<PixConv>& parTyler) :
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m_tyler(parTyler)
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{
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}
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template <typename PixConv>
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Viewport<PixConv>::Viewport (Tyler<PixConv>& parTyler, const coords& parSize, const coords& parPos) :
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m_size(parSize),
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m_position(parPos),
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m_tyler(parTyler)
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{
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DK_ASSERT(parPos <= parPos + parSize);
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DK_ASSERT(parSize + parPos <= parTyler.map_size());
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m_tyler.preload(m_position, m_position + m_size);
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}
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template <typename PixConv>
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template <typename T>
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typename Layer<T, PixConv>::iterator Viewport<PixConv>::begin (Layer<T, PixConv>& parLayer) const {
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typedef typename Layer<T, PixConv>::iterator IterType;
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return IterType(&parLayer.m_tiles, parLayer.m_tilemap->pixel_conv(), m_position, m_tyler.map_size() - 1);
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}
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template <typename PixConv>
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template <typename T>
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typename Layer<T, PixConv>::iterator Viewport<PixConv>::end (Layer<T, PixConv>& parLayer) const {
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typedef typename Layer<T, PixConv>::iterator IterType;
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return IterType(&parLayer.m_tiles, parLayer.m_tilemap->pixel_conv(), make_past_end_coords<dimensions>(m_tyler.map_size() - 1), make_past_end_coords<dimensions>(m_tyler.map_size() - 1));
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}
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template <typename PixConv>
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template <typename T>
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typename Layer<T, PixConv>::const_iterator Viewport<PixConv>::begin (const Layer<T, PixConv>& parLayer) const {
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return this->cbegin(parLayer);
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}
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template <typename PixConv>
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template <typename T>
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typename Layer<T, PixConv>::const_iterator Viewport<PixConv>::end (const Layer<T, PixConv>& parLayer) const {
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return this->cend(parLayer);
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}
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template <typename PixConv>
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template <typename T>
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typename Layer<T, PixConv>::const_iterator Viewport<PixConv>::cbegin (const Layer<T, PixConv>& parLayer) const {
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typedef typename Layer<T, PixConv>::const_iterator IterType;
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return IterType(&parLayer.m_tiles, parLayer.m_tilemap->pixel_conv(), m_position, m_tyler.map_size() - 1);
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}
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template <typename PixConv>
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template <typename T>
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typename Layer<T, PixConv>::const_iterator Viewport<PixConv>::cend (const Layer<T, PixConv>& parLayer) const {
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typedef typename Layer<T, PixConv>::const_iterator IterType;
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return IterType(&parLayer.m_tiles, parLayer.m_tilemap->pixel_conv(), make_past_end_coords<dimensions>(m_tyler.map_size() - 1), make_past_end_coords<dimensions>(m_tyler.map_size() - 1));
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}
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template <typename PixConv>
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void Viewport<PixConv>::setSize (const coords& parSize) {
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DK_ASSERT(m_position <= m_position + parSize);
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DK_ASSERT(parSize + m_position <= m_tyler.map_size());
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m_size = parSize;
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m_tyler.preload(m_position, m_position + m_size);
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}
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template <typename PixConv>
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void Viewport<PixConv>::setFrom (const coords& parFrom) {
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DK_ASSERT(parFrom <= parFrom + m_size);
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DK_ASSERT(m_size + parFrom <= m_tyler.map_size());
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m_position = parFrom;
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m_tyler.preload(m_position, m_position + m_size);
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}
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template <typename PixConv>
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void Viewport<PixConv>::setFromSize (const coords& parFrom, const coords& parSize) {
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DK_ASSERT(parFrom <= parFrom + parSize);
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DK_ASSERT(parSize + parFrom <= m_tyler.map_size());
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m_position = parFrom;
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m_size = parSize;
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m_tyler.preload(m_position, m_position + m_size);
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}
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} //namespace dk
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