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Missing implementation of BaseMapSource::fetch().

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This commit is contained in:
King_DuckZ 2015-06-06 14:30:16 +02:00
parent f54da89531
commit 708ae975dc
3 changed files with 75 additions and 0 deletions
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11
include/doorkeeper/components/basemapsource.hpp
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@ -3,14 +3,23 @@
#include "doorkeeper/implem/maptypes.hpp"
#include "doorkeeper/primitivetypes.hpp"
#include "doorkeeper/implem/coords_utils.hpp"
#include <cstdint>
#include <vector>
#include <string>
#include <type_traits>
#include <cstddef>
namespace dk {
namespace implem {
template <typename T, uint32_t D, bool POD=std::is_pod<T>::value>
class data_fetcher;
} //namespace implem
template <uint32_t D>
class BaseMapSource {
template <typename T, uint32_t, bool POD>
friend class implem::data_fetcher;
public:
typedef dk::Vector<D> coords;
BaseMapSource ( void ) = default;
@ -30,4 +39,6 @@ namespace dk {
};
} //namespace dk
#include "doorkeeper/implem/basemapsource.inl"
#endif

38
include/doorkeeper/implem/basemapsource.inl Normal file
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@ -0,0 +1,38 @@
namespace dk {
namespace implem {
template <typename T, uint32_t D>
class data_fetcher<T, D, true> {
public:
typedef typename BaseMapSource<D>::coords coords;
static void fetch ( std::vector<T>& parOut, const coords& parFrom, const coords& parTo, std::size_t parCount, BaseMapSource<D>& parMapSrc ) {
parOut.resize(parCount);
parMapSrc.fetch_raw(reinterpret_cast<char*>(parOut.data()), parFrom, parTo, sizeof(T) * parCount);
}
};
template <typename T, uint32_t D>
class data_fetcher<T, D, false> {
public:
typedef typename BaseMapSource<D>::coords coords;
static void fetch ( std::vector<T>& parOut, const coords& parFrom, const coords& parTo, std::size_t parCount, BaseMapSource<D>& parMapSrc ) {
parOut.reserve(parCount);
DK_ASSERT(false); //not implemented
(void)parOut;
(void)parFrom;
(void)parTo;
(void)parMapSrc;
}
};
} //namespace implem
template <uint32_t D>
template <typename T>
void BaseMapSource<D>::fetch (std::vector<T>& parOut, const coords& parFrom, const coords& parTo) {
const auto tile_count = tile_volume(parFrom, parTo);
const std::size_t casted_tile_count = static_cast<std::size_t>(tile_count);
DK_ASSERT(static_cast<decltype(tile_count)>(casted_tile_count) == tile_count);
parOut.reserve(casted_tile_count);
parOut.clear();
implem::data_fetcher<T, D>::fetch(parOut, parFrom, parTo, casted_tile_count, *this);
}
} //namespace dk

26
include/doorkeeper/implem/coords_utils.hpp Normal file
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@ -0,0 +1,26 @@
#ifndef id2FC7119D67FA4704B5FE8A9FDA148F46
#define id2FC7119D67FA4704B5FE8A9FDA148F46
#include "doorkeeper/primitivetypes.hpp"
#include <cstdint>
namespace dk {
template <uint32_t D>
typename Vector<D>::value_type tile_volume ( const Vector<D>& parFrom, const Vector<D>& parTo ) a_pure;
template <uint32_t D>
inline
typename Vector<D>::value_type tile_volume (const Vector<D>& parFrom, const Vector<D>& parTo) {
typedef typename Vector<D>::value_type scalar_type;
scalar_type ret_val((1));
for (uint32_t z = 0; z < D; ++z) {
const auto dist(parTo[z] - parFrom[z] + 1);
ret_val *= dist;
}
return ret_val;
}
} //namespace dk
#endif