mirror of
https://github.com/mangosfour/server.git
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140 lines
4.1 KiB
C++
140 lines
4.1 KiB
C++
/**
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* MaNGOS is a full featured server for World of Warcraft, supporting
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* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
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*
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* Copyright (C) 2005-2019 MaNGOS project <http://getmangos.eu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* World of Warcraft, and all World of Warcraft or Warcraft art, images,
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* and lore are copyrighted by Blizzard Entertainment, Inc.
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*/
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#include "mpq.h"
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#include <deque>
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#include <cstdio>
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#include "libmpq/mpq.h"
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ArchiveSet gOpenArchives;
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MPQArchive::MPQArchive(const char* filename)
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{
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int result = libmpq__archive_open(&mpq_a, filename, -1);
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printf("Opening %s\n", filename);
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if (result)
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{
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switch (result)
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{
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case LIBMPQ_ERROR_OPEN :
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printf("Error opening archive '%s': Does file really exist?\n", filename);
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break;
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case LIBMPQ_ERROR_FORMAT : /* bad file format */
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printf("Error opening archive '%s': Bad file format\n", filename);
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break;
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case LIBMPQ_ERROR_SEEK : /* seeking in file failed */
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printf("Error opening archive '%s': Seeking in file failed\n", filename);
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break;
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case LIBMPQ_ERROR_READ : /* Read error in archive */
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printf("Error opening archive '%s': Read error in archive\n", filename);
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break;
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case LIBMPQ_ERROR_MALLOC : /* maybe not enough memory? :) */
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printf("Error opening archive '%s': Maybe not enough memory\n", filename);
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break;
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default:
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printf("Error opening archive '%s': Unknown error\n", filename);
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break;
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}
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return;
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}
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gOpenArchives.push_front(this);
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}
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void MPQArchive::close()
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{
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//gOpenArchives.erase(erase(&mpq_a);
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libmpq__archive_close(mpq_a);
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}
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MPQFile::MPQFile(const char* filename):
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eof(false),
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buffer(0),
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pointer(0),
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size(0)
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{
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for (ArchiveSet::iterator i = gOpenArchives.begin(); i != gOpenArchives.end(); ++i)
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{
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mpq_archive* mpq_a = (*i)->mpq_a;
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uint32 filenum;
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if (libmpq__file_number(mpq_a, filename, &filenum)) { continue; }
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libmpq__off_t transferred;
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libmpq__file_unpacked_size(mpq_a, filenum, &size);
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// HACK: in patch.mpq some files don't want to open and give 1 for filesize
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if (size <= 1)
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{
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// printf("info: file %s has size %d; considered dummy file.\n", filename, size);
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eof = true;
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buffer = 0;
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return;
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}
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buffer = new char[(int)size];
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//libmpq_file_getdata
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libmpq__file_read(mpq_a, filenum, (unsigned char*)buffer, size, &transferred);
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/*libmpq_file_getdata(&mpq_a, hash, fileno, (unsigned char*)buffer);*/
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return;
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}
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eof = true;
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buffer = 0;
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}
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size_t MPQFile::read(void* dest, size_t bytes)
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{
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if (eof) { return 0; }
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size_t rpos = (size_t)(pointer + bytes);
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if (rpos > size)
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{
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bytes = (size_t)(size - pointer);
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eof = true;
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}
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memcpy(dest, &(buffer[pointer]), bytes);
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pointer = rpos;
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return bytes;
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}
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void MPQFile::seek(int offset)
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{
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pointer = offset;
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eof = (pointer >= size);
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}
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void MPQFile::seekRelative(int offset)
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{
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pointer += offset;
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eof = (pointer >= size);
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}
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void MPQFile::close()
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{
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if (buffer) { delete[] buffer; }
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buffer = 0;
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eof = true;
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}
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