ref: bea7b7bf8ccbc2bc41906517079e76fcfb31cb5a
dir: /code/bspc/l_qfiles.c/
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#if defined(WIN32)|defined(_WIN32)
#include <windows.h>
#include <sys/types.h>
#include <sys/stat.h>
#else
#include <glob.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
#include "qbsp.h"
//file extensions with their type
typedef struct qfile_exttype_s
{
char *extension;
int type;
} qfile_exttyp_t;
qfile_exttyp_t quakefiletypes[] =
{
{QFILEEXT_UNKNOWN, QFILETYPE_UNKNOWN},
{QFILEEXT_PAK, QFILETYPE_PAK},
{QFILEEXT_PK3, QFILETYPE_PK3},
{QFILEEXT_SIN, QFILETYPE_PAK},
{QFILEEXT_BSP, QFILETYPE_BSP},
{QFILEEXT_MAP, QFILETYPE_MAP},
{QFILEEXT_MDL, QFILETYPE_MDL},
{QFILEEXT_MD2, QFILETYPE_MD2},
{QFILEEXT_MD3, QFILETYPE_MD3},
{QFILEEXT_WAL, QFILETYPE_WAL},
{QFILEEXT_WAV, QFILETYPE_WAV},
{QFILEEXT_AAS, QFILETYPE_AAS},
{NULL, 0}
};
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int QuakeFileExtensionType(char *extension)
{
int i;
for (i = 0; quakefiletypes[i].extension; i++)
{
if (!stricmp(extension, quakefiletypes[i].extension))
{
return quakefiletypes[i].type;
} //end if
} //end for
return QFILETYPE_UNKNOWN;
} //end of the function QuakeFileExtensionType
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
char *QuakeFileTypeExtension(int type)
{
int i;
for (i = 0; quakefiletypes[i].extension; i++)
{
if (quakefiletypes[i].type == type)
{
return quakefiletypes[i].extension;
} //end if
} //end for
return QFILEEXT_UNKNOWN;
} //end of the function QuakeFileExtension
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int QuakeFileType(char *filename)
{
char ext[_MAX_PATH] = ".";
ExtractFileExtension(filename, ext+1);
return QuakeFileExtensionType(ext);
} //end of the function QuakeFileTypeFromFileName
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
char *StringContains(char *str1, char *str2, int casesensitive)
{
int len, i, j;
len = strlen(str1) - strlen(str2);
for (i = 0; i <= len; i++, str1++)
{
for (j = 0; str2[j]; j++)
{
if (casesensitive)
{
if (str1[j] != str2[j]) break;
} //end if
else
{
if (toupper(str1[j]) != toupper(str2[j])) break;
} //end else
} //end for
if (!str2[j]) return str1;
} //end for
return NULL;
} //end of the function StringContains
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int FileFilter(char *filter, char *filename, int casesensitive)
{
char buf[1024];
char *ptr;
int i, found;
while(*filter)
{
if (*filter == '*')
{
filter++;
for (i = 0; *filter; i++)
{
if (*filter == '*' || *filter == '?') break;
buf[i] = *filter;
filter++;
} //end for
buf[i] = '\0';
if (strlen(buf))
{
ptr = StringContains(filename, buf, casesensitive);
if (!ptr) return false;
filename = ptr + strlen(buf);
} //end if
} //end if
else if (*filter == '?')
{
filter++;
filename++;
} //end else if
else if (*filter == '[' && *(filter+1) == '[')
{
filter++;
} //end if
else if (*filter == '[')
{
filter++;
found = false;
while(*filter && !found)
{
if (*filter == ']' && *(filter+1) != ']') break;
if (*(filter+1) == '-' && *(filter+2) && (*(filter+2) != ']' || *(filter+3) == ']'))
{
if (casesensitive)
{
if (*filename >= *filter && *filename <= *(filter+2)) found = true;
} //end if
else
{
if (toupper(*filename) >= toupper(*filter) &&
toupper(*filename) <= toupper(*(filter+2))) found = true;
} //end else
filter += 3;
} //end if
else
{
if (casesensitive)
{
if (*filter == *filename) found = true;
} //end if
else
{
if (toupper(*filter) == toupper(*filename)) found = true;
} //end else
filter++;
} //end else
} //end while
if (!found) return false;
while(*filter)
{
if (*filter == ']' && *(filter+1) != ']') break;
filter++;
} //end while
filter++;
filename++;
} //end else if
else
{
if (casesensitive)
{
if (*filter != *filename) return false;
} //end if
else
{
if (toupper(*filter) != toupper(*filename)) return false;
} //end else
filter++;
filename++;
} //end else
} //end while
return true;
} //end of the function FileFilter
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
quakefile_t *FindQuakeFilesInZip(char *zipfile, char *filter)
{
unzFile uf;
int err;
unz_global_info gi;
char filename_inzip[MAX_PATH];
unz_file_info file_info;
int i;
quakefile_t *qfiles, *lastqf, *qf;
uf = unzOpen(zipfile);
err = unzGetGlobalInfo(uf, &gi);
if (err != UNZ_OK) return NULL;
unzGoToFirstFile(uf);
qfiles = NULL;
lastqf = NULL;
for (i = 0; i < gi.number_entry; i++)
{
err = unzGetCurrentFileInfo(uf, &file_info, filename_inzip, sizeof(filename_inzip), NULL,0,NULL,0);
if (err != UNZ_OK) break;
ConvertPath(filename_inzip);
if (FileFilter(filter, filename_inzip, false))
{
qf = malloc(sizeof(quakefile_t));
if (!qf) Error("out of memory");
memset(qf, 0, sizeof(quakefile_t));
strcpy(qf->pakfile, zipfile);
strcpy(qf->filename, zipfile);
strcpy(qf->origname, filename_inzip);
qf->zipfile = true;
//memcpy( &buildBuffer[i].zipfileinfo, (unz_s*)uf, sizeof(unz_s));
memcpy(&qf->zipinfo, (unz_s*)uf, sizeof(unz_s));
qf->offset = 0;
qf->length = file_info.uncompressed_size;
qf->type = QuakeFileType(filename_inzip);
//add the file ot the list
qf->next = NULL;
if (lastqf) lastqf->next = qf;
else qfiles = qf;
lastqf = qf;
} //end if
unzGoToNextFile(uf);
} //end for
unzClose(uf);
return qfiles;
} //end of the function FindQuakeFilesInZip
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
quakefile_t *FindQuakeFilesInPak(char *pakfile, char *filter)
{
FILE *fp;
dpackheader_t packheader;
dsinpackfile_t *packfiles;
dpackfile_t *idpackfiles;
quakefile_t *qfiles, *lastqf, *qf;
int numpackdirs, i;
qfiles = NULL;
lastqf = NULL;
//open the pak file
fp = fopen(pakfile, "rb");
if (!fp)
{
Warning("can't open pak file %s", pakfile);
return NULL;
} //end if
//read pak header, check for valid pak id and seek to the dir entries
if ((fread(&packheader, 1, sizeof(dpackheader_t), fp) != sizeof(dpackheader_t))
|| (packheader.ident != IDPAKHEADER && packheader.ident != SINPAKHEADER)
|| (fseek(fp, LittleLong(packheader.dirofs), SEEK_SET))
)
{
fclose(fp);
Warning("invalid pak file %s", pakfile);
return NULL;
} //end if
//if it is a pak file from id software
if (packheader.ident == IDPAKHEADER)
{
//number of dir entries in the pak file
numpackdirs = LittleLong(packheader.dirlen) / sizeof(dpackfile_t);
idpackfiles = (dpackfile_t *) malloc(numpackdirs * sizeof(dpackfile_t));
if (!idpackfiles) Error("out of memory");
//read the dir entry
if (fread(idpackfiles, sizeof(dpackfile_t), numpackdirs, fp) != numpackdirs)
{
fclose(fp);
free(idpackfiles);
Warning("can't read the Quake pak file dir entries from %s", pakfile);
return NULL;
} //end if
fclose(fp);
//convert to sin pack files
packfiles = (dsinpackfile_t *) malloc(numpackdirs * sizeof(dsinpackfile_t));
if (!packfiles) Error("out of memory");
for (i = 0; i < numpackdirs; i++)
{
strcpy(packfiles[i].name, idpackfiles[i].name);
packfiles[i].filepos = LittleLong(idpackfiles[i].filepos);
packfiles[i].filelen = LittleLong(idpackfiles[i].filelen);
} //end for
free(idpackfiles);
} //end if
else //its a Sin pack file
{
//number of dir entries in the pak file
numpackdirs = LittleLong(packheader.dirlen) / sizeof(dsinpackfile_t);
packfiles = (dsinpackfile_t *) malloc(numpackdirs * sizeof(dsinpackfile_t));
if (!packfiles) Error("out of memory");
//read the dir entry
if (fread(packfiles, sizeof(dsinpackfile_t), numpackdirs, fp) != numpackdirs)
{
fclose(fp);
free(packfiles);
Warning("can't read the Sin pak file dir entries from %s", pakfile);
return NULL;
} //end if
fclose(fp);
for (i = 0; i < numpackdirs; i++)
{
packfiles[i].filepos = LittleLong(packfiles[i].filepos);
packfiles[i].filelen = LittleLong(packfiles[i].filelen);
} //end for
} //end else
//
for (i = 0; i < numpackdirs; i++)
{
ConvertPath(packfiles[i].name);
if (FileFilter(filter, packfiles[i].name, false))
{
qf = malloc(sizeof(quakefile_t));
if (!qf) Error("out of memory");
memset(qf, 0, sizeof(quakefile_t));
strcpy(qf->pakfile, pakfile);
strcpy(qf->filename, pakfile);
strcpy(qf->origname, packfiles[i].name);
qf->zipfile = false;
qf->offset = packfiles[i].filepos;
qf->length = packfiles[i].filelen;
qf->type = QuakeFileType(packfiles[i].name);
//add the file ot the list
qf->next = NULL;
if (lastqf) lastqf->next = qf;
else qfiles = qf;
lastqf = qf;
} //end if
} //end for
free(packfiles);
return qfiles;
} //end of the function FindQuakeFilesInPak
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
quakefile_t *FindQuakeFilesWithPakFilter(char *pakfilter, char *filter)
{
#if defined(WIN32)|defined(_WIN32)
WIN32_FIND_DATA filedata;
HWND handle;
struct _stat statbuf;
#else
glob_t globbuf;
struct stat statbuf;
int j;
#endif
quakefile_t *qfiles, *lastqf, *qf;
char pakfile[_MAX_PATH], filename[_MAX_PATH], *str;
int done;
qfiles = NULL;
lastqf = NULL;
if (pakfilter && strlen(pakfilter))
{
#if defined(WIN32)|defined(_WIN32)
handle = FindFirstFile(pakfilter, &filedata);
done = (handle == INVALID_HANDLE_VALUE);
while(!done)
{
_splitpath(pakfilter, pakfile, NULL, NULL, NULL);
_splitpath(pakfilter, NULL, &pakfile[strlen(pakfile)], NULL, NULL);
AppendPathSeperator(pakfile, _MAX_PATH);
strcat(pakfile, filedata.cFileName);
_stat(pakfile, &statbuf);
#else
glob(pakfilter, 0, NULL, &globbuf);
for (j = 0; j < globbuf.gl_pathc; j++)
{
strcpy(pakfile, globbuf.gl_pathv[j]);
stat(pakfile, &statbuf);
#endif
//if the file with .pak or .pk3 is a folder
if (statbuf.st_mode & S_IFDIR)
{
strcpy(filename, pakfilter);
AppendPathSeperator(filename, _MAX_PATH);
strcat(filename, filter);
qf = FindQuakeFilesWithPakFilter(NULL, filename);
if (lastqf) lastqf->next = qf;
else qfiles = qf;
lastqf = qf;
while(lastqf->next) lastqf = lastqf->next;
} //end if
else
{
#if defined(WIN32)|defined(_WIN32)
str = StringContains(pakfile, ".pk3", false);
#else
str = StringContains(pakfile, ".pk3", true);
#endif
if (str && str == pakfile + strlen(pakfile) - strlen(".pk3"))
{
qf = FindQuakeFilesInZip(pakfile, filter);
} //end if
else
{
qf = FindQuakeFilesInPak(pakfile, filter);
} //end else
//
if (qf)
{
if (lastqf) lastqf->next = qf;
else qfiles = qf;
lastqf = qf;
while(lastqf->next) lastqf = lastqf->next;
} //end if
} //end else
//
#if defined(WIN32)|defined(_WIN32)
//find the next file
done = !FindNextFile(handle, &filedata);
} //end while
#else
} //end for
globfree(&globbuf);
#endif
} //end if
else
{
#if defined(WIN32)|defined(_WIN32)
handle = FindFirstFile(filter, &filedata);
done = (handle == INVALID_HANDLE_VALUE);
while(!done)
{
_splitpath(filter, filename, NULL, NULL, NULL);
_splitpath(filter, NULL, &filename[strlen(filename)], NULL, NULL);
AppendPathSeperator(filename, _MAX_PATH);
strcat(filename, filedata.cFileName);
#else
glob(filter, 0, NULL, &globbuf);
for (j = 0; j < globbuf.gl_pathc; j++)
{
strcpy(filename, globbuf.gl_pathv[j]);
#endif
//
qf = malloc(sizeof(quakefile_t));
if (!qf) Error("out of memory");
memset(qf, 0, sizeof(quakefile_t));
strcpy(qf->pakfile, "");
strcpy(qf->filename, filename);
strcpy(qf->origname, filename);
qf->offset = 0;
qf->length = 0;
qf->type = QuakeFileType(filename);
//add the file ot the list
qf->next = NULL;
if (lastqf) lastqf->next = qf;
else qfiles = qf;
lastqf = qf;
#if defined(WIN32)|defined(_WIN32)
//find the next file
done = !FindNextFile(handle, &filedata);
} //end while
#else
} //end for
globfree(&globbuf);
#endif
} //end else
return qfiles;
} //end of the function FindQuakeFilesWithPakFilter
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
quakefile_t *FindQuakeFiles(char *filter)
{
char *str;
char newfilter[_MAX_PATH];
char pakfilter[_MAX_PATH];
char filefilter[_MAX_PATH];
strcpy(newfilter, filter);
ConvertPath(newfilter);
strcpy(pakfilter, newfilter);
str = StringContains(pakfilter, ".pak", false);
if (!str) str = StringContains(pakfilter, ".pk3", false);
if (str)
{
str += strlen(".pak");
if (*str)
{
*str++ = '\0';
while(*str == '\\' || *str == '/') str++;
strcpy(filefilter, str);
return FindQuakeFilesWithPakFilter(pakfilter, filefilter);
} //end if
} //end else
return FindQuakeFilesWithPakFilter(NULL, newfilter);
} //end of the function FindQuakeFiles
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int LoadQuakeFile(quakefile_t *qf, void **bufferptr)
{
FILE *fp;
void *buffer;
int length;
unzFile zf;
if (qf->zipfile)
{
//open the zip file
zf = unzOpen(qf->pakfile);
//set the file pointer
qf->zipinfo.file = ((unz_s *) zf)->file;
//open the Quake file in the zip file
unzOpenCurrentFile(&qf->zipinfo);
//allocate memory for the buffer
length = qf->length;
buffer = GetMemory(length+1);
//read the Quake file from the zip file
length = unzReadCurrentFile(&qf->zipinfo, buffer, length);
//close the Quake file in the zip file
unzCloseCurrentFile(&qf->zipinfo);
//close the zip file
unzClose(zf);
*bufferptr = buffer;
return length;
} //end if
else
{
fp = SafeOpenRead(qf->filename);
if (qf->offset) fseek(fp, qf->offset, SEEK_SET);
length = qf->length;
if (!length) length = Q_filelength(fp);
buffer = GetMemory(length+1);
((char *)buffer)[length] = 0;
SafeRead(fp, buffer, length);
fclose(fp);
*bufferptr = buffer;
return length;
} //end else
} //end of the function LoadQuakeFile
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int ReadQuakeFile(quakefile_t *qf, void *buffer, int offset, int length)
{
FILE *fp;
int read;
unzFile zf;
char tmpbuf[1024];
if (qf->zipfile)
{
//open the zip file
zf = unzOpen(qf->pakfile);
//set the file pointer
qf->zipinfo.file = ((unz_s *) zf)->file;
//open the Quake file in the zip file
unzOpenCurrentFile(&qf->zipinfo);
//
while(offset > 0)
{
read = offset;
if (read > sizeof(tmpbuf)) read = sizeof(tmpbuf);
unzReadCurrentFile(&qf->zipinfo, tmpbuf, read);
offset -= read;
} //end while
//read the Quake file from the zip file
length = unzReadCurrentFile(&qf->zipinfo, buffer, length);
//close the Quake file in the zip file
unzCloseCurrentFile(&qf->zipinfo);
//close the zip file
unzClose(zf);
return length;
} //end if
else
{
fp = SafeOpenRead(qf->filename);
if (qf->offset) fseek(fp, qf->offset, SEEK_SET);
if (offset) fseek(fp, offset, SEEK_CUR);
SafeRead(fp, buffer, length);
fclose(fp);
return length;
} //end else
} //end of the function ReadQuakeFile