145 lines
4.5 KiB
C++
145 lines
4.5 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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#ifndef id3F4AB2FAA29D4A0FA87760E61F0762C0
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#define id3F4AB2FAA29D4A0FA87760E61F0762C0
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#include "doorkeeper/primitivetypes.hpp"
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#include "doorkeeper/implem/vector.hpp"
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#include "doorkeeper/components/basemapsource.hpp"
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#include "doorkeeper/implem/maptypes.hpp"
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#include "doorkeeper/components/exception.hpp"
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#include <fstream>
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#include <cstdint>
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#include <memory>
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#include <map>
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#include <string>
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#include <ciso646>
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#if !defined(NDEBUG) && !defined(WITH_TYLERMAP_WRITER)
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# define WITH_TYLERMAP_WRITER
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#endif
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namespace dkh {
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namespace implem {
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class TylerMapSourceBase {
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public:
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typedef std::istream::pos_type pos_type;
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explicit TylerMapSourceBase ( std::istream* parStream );
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~TylerMapSourceBase ( void );
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dk::HashType layerTypeHash ( int parIndex ) const;
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void chainedMaps ( std::vector<std::string>& parOut ) const;
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dk::MapTypes mapType ( void ) const;
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void parseMapHeaders ( uint32_t parDim, std::vector<uint32_t>& parMapDims, std::vector<uint16_t>& parTileDims );
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private:
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struct LayerInfo;
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std::vector<LayerInfo> m_layers_info;
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dk::MapTypes m_map_type;
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std::map<std::string, std::string> m_comments;
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std::string m_file_vendor;
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std::unique_ptr<std::istream> m_stream;
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pos_type m_stream_start;
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};
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} //namespace implem
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template <uint32_t D>
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class TylerMapSource : private implem::TylerMapSourceBase, public dk::BaseMapSource<D> {
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typedef implem::TylerMapSourceBase base_class;
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typedef base_class::pos_type pos_type;
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public:
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typedef dk::Vector<D> coords;
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enum {
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MapDimensions = D
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};
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TylerMapSource ( void ) = delete;
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TylerMapSource ( const TylerMapSource& ) = delete;
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TylerMapSource ( TylerMapSource&& ) = default;
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explicit TylerMapSource ( const char* parFilename );
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explicit TylerMapSource ( const std::string& parFilename );
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explicit TylerMapSource ( std::istream* parData );
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virtual ~TylerMapSource ( void ) noexcept = default;
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virtual const coords& mapSize ( void ) const;
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virtual const coords& tileSize ( void ) const;
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virtual dk::MapTypes mapType ( void ) const;
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virtual int layersCount ( void ) const;
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virtual void chainedMaps ( std::vector<std::string>& parOut ) const;
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virtual dk::HashType layerTypeHash ( int parIndex ) const;
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private:
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void parse_map_data ( void );
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virtual void fetch_raw ( char* parOut, const coords& parFrom, const coords& parTo, std::size_t parSize );
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coords m_map_size;
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coords m_tile_size;
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uint16_t m_map_version_major;
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uint16_t m_map_version_minor;
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uint8_t m_layer_count;
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};
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#if defined(WITH_TYLERMAP_WRITER)
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class TylerMapWriter {
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public:
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TylerMapWriter ( void ) = delete;
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TylerMapWriter ( const TylerMapWriter& ) = delete;
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TylerMapWriter ( TylerMapWriter&& ) = default;
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private:
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std::unique_ptr<std::ostream> m_stream;
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};
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#endif
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class InvalidMapFileException : public dk::DoorKeeperException {
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};
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class InvalidMapDimensionsException : public dk::DoorKeeperException {
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};
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namespace implem {
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struct TylerMapHeader {
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uint32_t signature;
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uint32_t file_size;
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uint16_t version_major;
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uint16_t version_minor;
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uint8_t layer_count;
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uint8_t map_type;
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uint8_t hashing_algorithm;
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uint8_t dimensions;
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uint32_t dimensions_start;
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uint32_t comment_start;
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uint32_t layer_start;
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} __attribute__((packed, aligned(__alignof__(uint32_t))));
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struct TylerMapLayerHeader {
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uint32_t layer_length;
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uint32_t layer_format;
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} __attribute__((packed, aligned(__alignof__(uint32_t))));
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void read_header ( std::istream& parStream, TylerMapHeader& parHeader );
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void read_layer_header ( std::istream& parStream, TylerMapLayerHeader& parHeader );
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void read_dimensions ( std::istream& parStream, uint32_t parDimensions, std::vector<uint32_t>& parMap, std::vector<uint16_t>& parTile );
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} //namespace implem
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} //namespace dkh
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#include "doorkeeper/implem/tylermapsource.inl"
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#endif
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