68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
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#ifndef id8F5106DFABC14263ADF235C56E434207
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#define id8F5106DFABC14263ADF235C56E434207
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#include "primitivetypes.hpp"
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#include "implem/compatibility.h"
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#include "implem/vector.hpp"
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#include "implem/helpers.hpp"
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#include <cstddef>
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#include <type_traits>
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#include <iterator>
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namespace dk {
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namespace implem {
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template <typename T>
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class HasMapDimensions {
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class yes { char m; };
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class nope { yes m[2]; };
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static yes deduce ( int a, int b = T::MapDimensions );
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static nope deduce ( ... );
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public:
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enum {
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result = (sizeof(yes) == sizeof(deduce(1)))
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};
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};
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template <std::size_t D, typename Device>
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typename std::enable_if<Device::MapDimensions == D, std::size_t>::type err_mismatching_dimension ( const Device* ) noexcept a_pure;
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template <std::size_t D, typename Device>
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typename std::enable_if<HasMapDimensions<Device>::result == false, std::size_t>::type err_mismatching_dimension ( const Device* ) noexcept a_pure;
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template <std::size_t D, typename Device>
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typename std::enable_if<Device::MapDimensions == D, Vector<CoordinateScalarType, D>>::type retrieve_map_size_from_device ( Device* parDevice );
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template <std::size_t D, typename Device>
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typename std::enable_if<HasMapDimensions<Device>::result == false, Vector<CoordinateScalarType, D>>::type retrieve_map_size_from_device ( Device* parDevice );
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} //namespace implem
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//Customization point - specialize to enable map size retrieval for Device
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template <std::size_t D, typename Device>
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typename Device::coords get_map_size_from_device ( const Device* parDevice );
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template <typename T, std::size_t D>
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class TileMapData {
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public:
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typedef Vector<CoordinateScalarType, D> coords;
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TileMapData ( void ) = delete;
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template <typename Device>
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explicit TileMapData ( Device& parDevice );
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//TODO: add an overload to initialize a TileMapData from a universal reference to std::istream
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~TileMapData ( void ) noexcept = default;
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bool streamHasDimensionInfo ( void ) const { return m_deviceHasDim; }
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void fetch ( std::vector<T>& parOut, const coords& parFrom, const coords& parTo );
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const coords& mapSize ( void ) const;
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private:
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std::istream m_stream;
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const coords m_mapSize;
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const bool m_deviceHasDim;
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};
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} //namespace dk
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#include "implem/tilemapdata.inl"
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#endif
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