mirror of
https://github.com/ZDoom/Raze.git
synced 2024-11-24 04:51:41 +00:00
146 lines
4.2 KiB
C++
146 lines
4.2 KiB
C++
/*
|
|
** 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"
|
|
#include "printf.h"
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
struct dpackfile_t
|
|
{
|
|
char name[56];
|
|
int filepos, filelen;
|
|
} ;
|
|
|
|
struct dpackheader_t
|
|
{
|
|
int ident; // == IDPAKHEADER
|
|
int dirofs;
|
|
int dirlen;
|
|
} ;
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Wad file
|
|
//
|
|
//==========================================================================
|
|
|
|
class FPakFile : public FUncompressedFile
|
|
{
|
|
public:
|
|
FPakFile(const char * filename, FileReader &file);
|
|
bool Open(bool quiet, LumpFilterInfo* filter);
|
|
};
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// FWadFile::FWadFile
|
|
//
|
|
// Initializes a WAD file
|
|
//
|
|
//==========================================================================
|
|
|
|
FPakFile::FPakFile(const char *filename, FileReader &file)
|
|
: FUncompressedFile(filename, file)
|
|
{
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Open it
|
|
//
|
|
//==========================================================================
|
|
|
|
bool FPakFile::Open(bool quiet, 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);
|
|
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, bool quiet, LumpFilterInfo* filter)
|
|
{
|
|
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);
|
|
if (rf->Open(quiet, filter)) return rf;
|
|
|
|
file = std::move(rf->Reader); // to avoid destruction of reader
|
|
delete rf;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|