94 lines
3.6 KiB
C++
94 lines
3.6 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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namespace implem {
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///----------------------------------------------------------------------
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///----------------------------------------------------------------------
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template <uint32_t D, typename O>
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inline bool at_least_one (const Vector<D>& parLeft, const Vector<D>& parRight, O parOp) {
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for (uint32_t z = 0; z < D; ++z) {
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if (parOp(parLeft[z], parRight[z])) {
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return true;
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}
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}
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return false;
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}
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} //namespace implem
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <uint32_t D>
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LayerBase<D>::LayerBase (const coords& parCount, const coords& parTileSize) :
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m_count(parCount),
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m_tilesize(parTileSize),
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m_haveFrom(0),
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m_haveTo(0)
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{
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DK_ASSERT(parCount > 0);
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <uint32_t D>
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void LayerBase<D>::preload (const coords& parFrom, const coords& parTo) {
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using implem::at_least_one;
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using less = std::less<typename coords::scalar_type>;
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using greater = std::greater<typename coords::scalar_type>;
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if (at_least_one<D>(parFrom, m_haveFrom, less()) or at_least_one<D>(parTo, m_haveTo, greater())) {
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this->onPreload(parFrom, parTo);
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m_haveFrom = parFrom;
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m_haveTo = parTo;
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}
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <typename T, uint32_t D>
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Layer<T, D>::Layer (const coords& parTileSize, BaseMapSource<D>* parTilemap) :
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LayerBase<D>(parTilemap->mapSize(), parTileSize),
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m_tilemap(parTilemap)
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{
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DK_ASSERT(m_tilemap);
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <typename T, uint32_t D>
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typename Layer<T, D>::iterator Layer<T, D>::begin() {
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return iterator(&m_tiles, m_tilemap->pixel_conv(), coords(0), this->m_count);
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <typename T, uint32_t D>
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typename Layer<T, D>::iterator Layer<T, D>::end() {
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return iterator(&m_tiles, m_tilemap->pixel_conv(), make_past_end_coords<D>(this->m_count - 1), make_past_end_coords<D>(this->m_count - 1));
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}
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///--------------------------------------------------------------------------
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///--------------------------------------------------------------------------
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template <typename T, uint32_t D>
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void Layer<T, D>::onPreload (const coords& parFrom, const coords& parTo) {
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m_tiles.clear();
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m_tilemap->fetch(m_tiles, parFrom, parTo);
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#if !defined(NDEBUG)
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std::cout << "Preloading layer from " << parFrom << " to " << parTo << '\n';
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#endif
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}
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}
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