mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
synced 2026-01-15 18:10:26 +00:00
130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
/*
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* Copyright (C)
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*
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* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*/
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#include "MPQ.h"
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#include "MPQManager.h"
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#include <deque>
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#include <cstdio>
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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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}
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GetFileListTo(Files);
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}
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void MPQArchive::close()
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{
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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), buffer(0), pointer(0), size(0)
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{
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for (std::deque<MPQArchive*>::iterator i = MPQHandler->Archives.begin(); i != MPQHandler->Archives.end();++i)
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{
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mpq_archive* mpq_a = (*i)->mpq_a;
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uint32_t filenum;
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if(libmpq__file_number(mpq_a, filename, &filenum))
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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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// printf("warning: file %s has size %d; cannot Read.\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[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)
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return 0;
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size_t rpos = pointer + bytes;
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if (rpos > size_t(size)) {
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bytes = 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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delete[] buffer;
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buffer = 0;
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eof = true;
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}
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FILE* MPQFile::GetFileStream()
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{
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FILE* file = tmpfile();
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if (!file)
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{
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printf("Could not create temporary file. Please run as Administrator or root\n");
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exit(1);
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}
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fwrite(buffer, sizeof(char), size, file);
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fseek(file, 0, SEEK_SET);
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return file;
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}
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