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2d37ac049a
* Avoid create debug binary version with space in name, ignore it in git changes. * Alow filenum == 0 in archive file lists. Some currently not loaded fiels have its for example in case when in archive single file. NOTE: no change in extracted files, so not need re-execute.
133 lines
4 KiB
C++
133 lines
4 KiB
C++
#include "mpq_libmpq.h"
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#include <deque>
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#include <stdio.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, (unsigned char*)filename);
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printf("Opening %s\n", filename);
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if(result) {
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switch(result) {
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case LIBMPQ_EFILE : /* error on file operation */
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printf("Error opening archive '%s': File operation Error\n", filename);
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break;
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case LIBMPQ_EFILE_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_EFILE_CORRUPT : /* file corrupt */
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printf("Error opening archive '%s': File corrupt\n", filename);
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break;
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case LIBMPQ_EFILE_NOT_FOUND : /* file in archive not found */
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printf("Error opening archive '%s': File in archive not found\n", filename);
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break;
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case LIBMPQ_EFILE_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_EALLOCMEM : /* 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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case LIBMPQ_EFREEMEM : /* can not free memory */
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printf("Error opening archive '%s': Cannot free memory\n", filename);
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break;
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case LIBMPQ_EINV_RANGE : /* Given filenumber is out of range */
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printf("Error opening archive '%s': Given filenumber is out of range\n", filename);
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break;
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case LIBMPQ_EHASHTABLE : /* error in reading hashtable */
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printf("Error opening archive '%s': Error in reading hashtable\n", filename);
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break;
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case LIBMPQ_EBLOCKTABLE : /* error in reading blocktable */
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printf("Error opening archive '%s': Error in reading blocktable\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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mpq_hash hash = (*i)->GetHashEntry(filename);
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uint32 blockindex = hash.blockindex;
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if (blockindex == 0xFFFFFFFF)
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continue; //file not found
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uint32 fileno = blockindex;
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//int fileno = libmpq_file_number(&mpq_a, filename);
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//if(fileno == LIBMPQ_EFILE_NOT_FOUND)
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// continue;
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// Found!
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size = libmpq_file_info(&mpq_a, LIBMPQ_FILE_UNCOMPRESSED_SIZE, fileno);
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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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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_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 = pointer + bytes;
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if (rpos > 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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if (buffer) delete[] buffer;
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buffer = 0;
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eof = true;
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}
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