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- put the entire filesystem code into a namespace and created some subdirectories.

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This commit is contained in:
Christoph Oelckers 2023-08-22 21:20:28 +02:00
commit ebb71cebf1
108 changed files with 308 additions and 225 deletions
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147
src/common/filesystem/file_pak.cpp
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@ -1,147 +0,0 @@
/*
** file_pak.cpp
**
**---------------------------------------------------------------------------
** Copyright 2009 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
**
*/
#include "resourcefile.h"
using namespace fs_private;
//==========================================================================
//
//
//
//==========================================================================
struct dpackfile_t
{
char name[56];
uint32_t filepos, filelen;
} ;
struct dpackheader_t
{
uint32_t ident; // == IDPAKHEADER
uint32_t dirofs;
uint32_t dirlen;
} ;
//==========================================================================
//
// Wad file
//
//==========================================================================
class FPakFile : public FUncompressedFile
{
public:
FPakFile(const char * filename, FileReader &file, StringPool* sp);
bool Open(LumpFilterInfo* filter);
};
//==========================================================================
//
// FWadFile::FWadFile
//
// Initializes a WAD file
//
//==========================================================================
FPakFile::FPakFile(const char *filename, FileReader &file, StringPool* sp)
: FUncompressedFile(filename, file, sp)
{
}
//==========================================================================
//
// Open it
//
//==========================================================================
bool FPakFile::Open(LumpFilterInfo* filter)
{
dpackheader_t header;
Reader.Read(&header, sizeof(header));
NumLumps = LittleLong(header.dirlen) / sizeof(dpackfile_t);
header.dirofs = LittleLong(header.dirofs);
TArray<dpackfile_t> fileinfo(NumLumps, true);
Reader.Seek (header.dirofs, FileReader::SeekSet);
Reader.Read (fileinfo.Data(), NumLumps * sizeof(dpackfile_t));
Lumps.Resize(NumLumps);
for(uint32_t i = 0; i < NumLumps; i++)
{
Lumps[i].LumpNameSetup(fileinfo[i].name, stringpool);
Lumps[i].Flags = LUMPF_FULLPATH;
Lumps[i].Owner = this;
Lumps[i].Position = LittleLong(fileinfo[i].filepos);
Lumps[i].LumpSize = LittleLong(fileinfo[i].filelen);
Lumps[i].CheckEmbedded(filter);
}
GenerateHash();
PostProcessArchive(&Lumps[0], sizeof(Lumps[0]), filter);
return true;
}
//==========================================================================
//
// File open
//
//==========================================================================
FResourceFile *CheckPak(const char *filename, FileReader &file, LumpFilterInfo* filter, FileSystemMessageFunc Printf, StringPool* sp)
{
char head[4];
if (file.GetLength() >= 12)
{
file.Seek(0, FileReader::SeekSet);
file.Read(&head, 4);
file.Seek(0, FileReader::SeekSet);
if (!memcmp(head, "PACK", 4))
{
auto rf = new FPakFile(filename, file, sp);
if (rf->Open(filter)) return rf;
file = std::move(rf->Reader); // to avoid destruction of reader
delete rf;
}
}
return NULL;
}