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/*
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by the
* Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This program 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 Affero General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mpq_libmpq04.h"
#include <cstdio>
#include <deque>
ArchiveSet gOpenArchives;
MPQArchive::MPQArchive(const char* filename)
{
int result = libmpq__archive_open(&mpq_a, filename, -1);
printf("Opening %s\n", filename);
if (result)
{
switch (result)
{
case LIBMPQ_ERROR_OPEN :
printf("Error opening archive '%s': Does file really exist?\n", filename);
break;
case LIBMPQ_ERROR_FORMAT : /* bad file format */
printf("Error opening archive '%s': Bad file format\n", filename);
break;
case LIBMPQ_ERROR_SEEK : /* seeking in file failed */
printf("Error opening archive '%s': Seeking in file failed\n", filename);
break;
case LIBMPQ_ERROR_READ : /* Read error in archive */
printf("Error opening archive '%s': Read error in archive\n", filename);
break;
case LIBMPQ_ERROR_MALLOC : /* maybe not enough memory? :) */
printf("Error opening archive '%s': Maybe not enough memory\n", filename);
break;
default:
printf("Error opening archive '%s': Unknown error\n", filename);
break;
}
return;
}
gOpenArchives.push_front(this);
}
void MPQArchive::close()
{
//gOpenArchives.erase(erase(&mpq_a);
libmpq__archive_close(mpq_a);
}
MPQFile::MPQFile(const char* filename):
eof(false),
buffer(nullptr),
pointer(0),
size(0)
{
for (auto & gOpenArchive : gOpenArchives)
{
mpq_archive* mpq_a = gOpenArchive->mpq_a;
uint32_t filenum;
if (libmpq__file_number(mpq_a, filename, &filenum)) continue;
libmpq__off_t transferred;
libmpq__file_unpacked_size(mpq_a, filenum, &size);
// HACK: in patch.mpq some files don't want to open and give 1 for filesize
if (size <= 1)
{
// printf("warning: file %s has size %d; cannot read.\n", filename, size);
eof = true;
buffer = nullptr;
return;
}
buffer = new char[size];
//libmpq_file_getdata
libmpq__file_read(mpq_a, filenum, (unsigned char*)buffer, size, &transferred);
/*libmpq_file_getdata(&mpq_a, hash, fileno, (unsigned char*)buffer);*/
return;
}
eof = true;
buffer = nullptr;
}
std::size_t MPQFile::read(void* dest, std::size_t bytes)
{
if (eof) return 0;
std::size_t rpos = pointer + bytes;
if (rpos > std::size_t(size))
{
bytes = size - pointer;
eof = true;
}
memcpy(dest, &(buffer[pointer]), bytes);
pointer = rpos;
return bytes;
}
void MPQFile::seek(int offset)
{
pointer = offset;
eof = (pointer >= size);
}
void MPQFile::seekRelative(int offset)
{
pointer += offset;
eof = (pointer >= size);
}
void MPQFile::close()
{
delete[] buffer;
buffer = nullptr;
eof = true;
}
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