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doom3-bfg/neo/framework/File_Manifest.cpp

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C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "precompiled.h"
#pragma hdrstop
/*
================================================================================================
idPreloadManifest
================================================================================================
*/
/*
========================
idPreloadManifest::LoadManifest
========================
*/
bool idPreloadManifest::LoadManifest( const char* fileName )
{
idFile* inFile = fileSystem->OpenFileReadMemory( fileName );
if( inFile != NULL )
{
int numEntries;
inFile->ReadBig( numEntries );
inFile->ReadString( filename );
entries.SetNum( numEntries );
for( int i = 0; i < numEntries; i++ )
{
entries[ i ].Read( inFile );
}
delete inFile;
return true;
}
return false;
}
/*
================================================================================================
idFileManifest
================================================================================================
*/
/*
========================
idFileManifest::LoadManifest
========================
*/
bool idFileManifest::LoadManifest( const char* _fileName )
{
idFile* file = fileSystem->OpenFileRead( _fileName , false );
if( file != NULL )
{
return LoadManifestFromFile( file );
}
return false;
}
/*
========================
idFileManifest::LoadManifestFromFile
// this will delete the file when finished
========================
*/
bool idFileManifest::LoadManifestFromFile( idFile* file )
{
if( file == NULL )
{
return false;
}
filename = file->GetName();
idStr str;
int num;
file->ReadBig( num );
cacheTable.SetNum( num );
for( int i = 0; i < num; i++ )
{
file->ReadString( cacheTable[ i ] );
//if ( FindFile( cacheTable[ i ].filename ) == NULL ) {
// we only care about the first usage
const int key = cacheHash.GenerateKey( cacheTable[ i ], false );
cacheHash.Add( key, i );
//}
}
delete file;
return true;
}
/*
========================
idFileManifest::WriteManifestFile
========================
*/
void idFileManifest::WriteManifestFile( const char* fileName )
{
idFile* file = fileSystem->OpenFileWrite( fileName );
if( file == NULL )
{
return;
}
idStr str;
int num = cacheTable.Num();
file->WriteBig( num );
for( int i = 0; i < num; i++ )
{
file->WriteString( cacheTable[ i ] );
}
delete file;
}
/*
========================
idPreloadManifest::WriteManifestFile
========================
*/
void idPreloadManifest::WriteManifest( const char* fileName )
{
idFile* file = fileSystem->OpenFileWrite( fileName, "fs_savepath" );
if( file != NULL )
{
WriteManifestToFile( file );
delete file;
}
}
/*
========================
idFileManifest::FindFile
========================
*/
int idFileManifest::FindFile( const char* fileName )
{
const int key = cacheHash.GenerateKey( fileName, false );
for( int index = cacheHash.GetFirst( key ); index != idHashIndex::NULL_INDEX; index = cacheHash.GetNext( index ) )
{
if( idStr::Icmp( cacheTable[ index ], fileName ) == 0 )
{
return index;
}
}
return -1;
}
/*
========================
idFileManifest::RemoveAll
========================
*/
void idFileManifest::RemoveAll( const char* _fileName )
{
for( int i = 0; i < cacheTable.Num(); i++ )
{
if( cacheTable[ i ].Icmp( _fileName ) == 0 )
{
const int key = cacheHash.GenerateKey( cacheTable[ i ], false );
cacheTable.RemoveIndex( i );
cacheHash.RemoveIndex( key, i );
i--;
}
}
}
/*
========================
idFileManifest::GetFileNameByIndex
========================
*/
const idStr& idFileManifest::GetFileNameByIndex( int idx ) const
{
return cacheTable[ idx ];
}
/*
=========================
idFileManifest::AddFile
=========================
*/
void idFileManifest::AddFile( const char* fileName )
{
//if ( FindFile( fileName ) == NULL ) {
// we only care about the first usage
const int key = cacheHash.GenerateKey( fileName, false );
int idx = cacheTable.Append( fileName );
cacheHash.Add( key, idx );
//}
}