mirror of
https://github.com/polserver/polserver
synced 2026-08-13 08:23:08 -04:00
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/** @file
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*
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* @par History
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*/
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#include "inmemorymapserver.h"
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#include "../clib/binaryfile.h"
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#include "../clib/passert.h"
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#include "mapblock.h"
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namespace Pol
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{
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namespace Plib
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{
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InMemoryMapServer::InMemoryMapServer( const RealmDescriptor& descriptor ) : MapServer( descriptor )
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{
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unsigned n_blocks =
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( _descriptor.width >> MAPBLOCK_SHIFT ) * ( _descriptor.height >> MAPBLOCK_SHIFT );
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Clib::BinaryFile mapfile( descriptor.path( "base.dat" ), std::ios::in );
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_mapblocks.resize( n_blocks );
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mapfile.Read( &_mapblocks[0], n_blocks );
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}
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MAPCELL InMemoryMapServer::GetMapCell( unsigned short x, unsigned short y ) const
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{
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passert( x < _descriptor.width && y < _descriptor.height );
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unsigned short xblock = x >> MAPBLOCK_SHIFT;
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unsigned short xcell = x & MAPBLOCK_CELLMASK;
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unsigned short yblock = y >> MAPBLOCK_SHIFT;
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unsigned short ycell = y & MAPBLOCK_CELLMASK;
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int block_index = yblock * ( _descriptor.width >> MAPBLOCK_SHIFT ) + xblock;
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const MAPBLOCK& mapblock = _mapblocks[block_index];
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return mapblock.cell[xcell][ycell];
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}
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size_t InMemoryMapServer::sizeEstimate() const
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{
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size_t size = sizeof( *this ) + MapServer::sizeEstimate();
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size += 3 * sizeof( MAPBLOCK* ) + _mapblocks.capacity() * sizeof( MAPBLOCK );
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return size;
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}
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}
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}
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