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fteqw/engine/common/fs.c
Spoike b4cb2a66b6 Compiles in cygwin's mingw environment: make FTE_TARGET=win32 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2399 fc73d0e0-1445-4013-8a0c-d673dee63da5
2006-10-05 21:59:43 +00:00

3173 lines
68 KiB
C
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#include "quakedef.h"
//#define com_gamedir com__gamedir
#include <ctype.h>
#include "hash.h"
hashtable_t filesystemhash;
qboolean com_fschanged = true;
extern cvar_t com_fs_cache;
int active_fs_cachetype;
typedef struct {
void (*PrintPath)(void *handle);
void (*ClosePath)(void *handle);
void (*BuildHash)(void *handle);
qboolean (*FindFile)(void *handle, flocation_t *loc, char *name, void *hashedresult); //true if found (hashedresult can be NULL)
//note that if rawfile and offset are set, many Com_FileOpens will read the raw file
//otherwise ReadFile will be called instead.
void (*ReadFile)(void *handle, flocation_t *loc, char *buffer); //reads the entire file
int (*EnumerateFiles)(void *handle, char *match, int (*func)(char *, int, void *), void *parm);
void *(*OpenNew)(vfsfile_t *file, char *desc); //returns a handle to a new pak/path
int (*GeneratePureCRC) (void *handle, int seed, int usepure);
vfsfile_t *(*OpenVFS)(void *handle, flocation_t *loc, char *mode);
} searchpathfuncs_t;
vfsfile_t *FS_OpenVFSLoc(flocation_t *loc, char *mode);
char *VFS_GETS(vfsfile_t *vf, char *buffer, int buflen)
{
char in;
char *out = buffer;
int len;
len = buflen-1;
if (len == 0)
return NULL;
while (len > 0)
{
if (!VFS_READ(vf, &in, 1))
{
if (len == buflen-1)
return NULL;
*out = '\0';
return buffer;
}
if (in == '\n')
break;
*out++ = in;
len--;
}
*out = '\0';
return buffer;
}
char gamedirfile[MAX_OSPATH];
//the various COM_LoadFiles set these on return
int com_filesize;
qboolean com_file_copyprotected;
//
// in memory
//
typedef struct
{
char name[MAX_QPATH];
int filepos, filelen;
bucket_t bucket;
} packfile_t;
typedef struct pack_s
{
char descname[MAX_OSPATH];
vfsfile_t *handle;
unsigned int filepos; //the pos the subfiles left it at (to optimize calls to vfs_seek)
int numfiles;
packfile_t *files;
int references; //seeing as all vfiles from a pak file use the parent's vfsfile, we need to keep the parent open until all subfiles are closed.
} pack_t;
//
// on disk
//
typedef struct
{
char name[56];
int filepos, filelen;
} dpackfile_t;
typedef struct
{
int filepos, filelen;
char name[8];
} dwadfile_t;
typedef struct
{
char id[4];
int dirofs;
int dirlen;
} dpackheader_t;
typedef struct
{
char id[4];
int dirlen;
int dirofs;
} dwadheader_t;
#define MAX_FILES_IN_PACK 2048
char com_gamedir[MAX_OSPATH]; //the os path where we write files
//char *com_basedir; //obsolete
char com_quakedir[MAX_OSPATH];
char com_homedir[MAX_OSPATH];
char com_configdir[MAX_OSPATH]; //homedir/fte/configs
int fs_hash_dups;
int fs_hash_files;
int COM_FileOpenRead (char *path, FILE **hndl);
#define ENFORCEFOPENMODE(mode) {if (strcmp(mode, "r") && strcmp(mode, "w")/* && strcmp(mode, "rw")*/)Sys_Error("fs mode %s is not permitted here\n");}
//======================================================================================================
//STDIO files (OS)
typedef struct {
vfsfile_t funcs;
FILE *handle;
} vfsosfile_t;
int VFSOS_ReadBytes (struct vfsfile_s *file, void *buffer, int bytestoread)
{
vfsosfile_t *intfile = (vfsosfile_t*)file;
return fread(buffer, 1, bytestoread, intfile->handle);
}
int VFSOS_WriteBytes (struct vfsfile_s *file, void *buffer, int bytestoread)
{
vfsosfile_t *intfile = (vfsosfile_t*)file;
return fwrite(buffer, 1, bytestoread, intfile->handle);
}
qboolean VFSOS_Seek (struct vfsfile_s *file, unsigned long pos)
{
vfsosfile_t *intfile = (vfsosfile_t*)file;
return fseek(intfile->handle, pos, SEEK_SET) == 0;
}
unsigned long VFSOS_Tell (struct vfsfile_s *file)
{
vfsosfile_t *intfile = (vfsosfile_t*)file;
return ftell(intfile->handle);
}
unsigned long VFSOS_GetSize (struct vfsfile_s *file)
{
vfsosfile_t *intfile = (vfsosfile_t*)file;
unsigned int curpos;
unsigned int maxlen;
curpos = ftell(intfile->handle);
fseek(intfile->handle, 0, SEEK_END);
maxlen = ftell(intfile->handle);
fseek(intfile->handle, curpos, SEEK_SET);
return maxlen;
}
void VFSOS_Close(vfsfile_t *file)
{
vfsosfile_t *intfile = (vfsosfile_t*)file;
fclose(intfile->handle);
Z_Free(file);
}
vfsfile_t *FS_OpenTemp(void)
{
FILE *f;
vfsosfile_t *file;
f = tmpfile();
if (!f)
return NULL;
file = Z_Malloc(sizeof(vfsosfile_t));
file->funcs.ReadBytes = VFSOS_ReadBytes;
file->funcs.WriteBytes = VFSOS_WriteBytes;
file->funcs.Seek = VFSOS_Seek;
file->funcs.Tell = VFSOS_Tell;
file->funcs.GetLen = VFSOS_GetSize;
file->funcs.Close = VFSOS_Close;
file->handle = f;
return (vfsfile_t*)file;
}
vfsfile_t *VFSOS_Open(char *osname, char *mode)
{
FILE *f;
vfsosfile_t *file;
qboolean read = !!strchr(mode, 'r');
qboolean write = !!strchr(mode, 'w');
qboolean text = !!strchr(mode, 't');
char newmode[3];
int modec = 0;
if (read)
newmode[modec++] = 'r';
if (write)
newmode[modec++] = 'w';
if (text)
newmode[modec++] = 't';
else
newmode[modec++] = 'b';
newmode[modec++] = '\0';
f = fopen(osname, newmode);
if (!f)
return NULL;
file = Z_Malloc(sizeof(vfsosfile_t));
file->funcs.ReadBytes = strchr(mode, 'r')?VFSOS_ReadBytes:NULL;
file->funcs.WriteBytes = strchr(mode, 'w')?VFSOS_WriteBytes:NULL;
file->funcs.Seek = VFSOS_Seek;
file->funcs.Tell = VFSOS_Tell;
file->funcs.GetLen = VFSOS_GetSize;
file->funcs.Close = VFSOS_Close;
file->handle = f;
return (vfsfile_t*)file;
}
vfsfile_t *FSOS_OpenVFS(void *handle, flocation_t *loc, char *mode)
{
char diskname[MAX_OSPATH];
snprintf(diskname, sizeof(diskname), "%s/%s", (char*)handle, loc->rawname);
return VFSOS_Open(diskname, mode);
}
void FSOS_PrintPath(void *handle)
{
Con_Printf("%s\n", handle);
}
void FSOS_ClosePath(void *handle)
{
Z_Free(handle);
}
int FSOS_RebuildFSHash(char *filename, int filesize, void *data)
{
if (filename[strlen(filename)-1] == '/')
{ //this is actually a directory
char childpath[256];
sprintf(childpath, "%s*", filename);
Sys_EnumerateFiles((char*)data, childpath, FSOS_RebuildFSHash, data);
return true;
}
if (!Hash_GetInsensative(&filesystemhash, filename))
{
bucket_t *bucket = (bucket_t*)BZ_Malloc(sizeof(bucket_t) + strlen(filename)+1);
strcpy((char *)(bucket+1), filename);
#ifdef _WIN32
Q_strlwr((char *)(bucket+1));
#endif
Hash_AddInsensative(&filesystemhash, (char *)(bucket+1), data, bucket);
fs_hash_files++;
}
else
fs_hash_dups++;
return true;
}
void FSOS_BuildHash(void *handle)
{
Sys_EnumerateFiles(handle, "*", FSOS_RebuildFSHash, handle);
}
qboolean FSOS_FLocate(void *handle, flocation_t *loc, char *filename, void *hashedresult)
{
FILE *f;
int len;
char netpath[MAX_OSPATH];
if (hashedresult && (void *)hashedresult != handle)
return false;
/*
if (!static_registered)
{ // if not a registered version, don't ever go beyond base
if ( strchr (filename, '/') || strchr (filename,'\\'))
continue;
}
*/
// check a file in the directory tree
snprintf (netpath, sizeof(netpath)-1, "%s/%s",(char*)handle, filename);
f = fopen(netpath, "rb");
if (!f)
return false;
fseek(f, 0, SEEK_END);
len = ftell(f);
fclose(f);
if (loc)
{
loc->len = len;
loc->offset = 0;
loc->index = 0;
Q_strncpyz(loc->rawname, filename, sizeof(loc->rawname));
}
return true;
}
void FSOS_ReadFile(void *handle, flocation_t *loc, char *buffer)
{
FILE *f;
f = fopen(loc->rawname, "rb");
if (!f) //err...
return;
fseek(f, loc->offset, SEEK_SET);
fread(buffer, 1, loc->len, f);
fclose(f);
}
int FSOS_EnumerateFiles (void *handle, char *match, int (*func)(char *, int, void *), void *parm)
{
return Sys_EnumerateFiles(handle, match, func, parm);
}
searchpathfuncs_t osfilefuncs = {
FSOS_PrintPath,
FSOS_ClosePath,
FSOS_BuildHash,
FSOS_FLocate,
FSOS_ReadFile,
FSOS_EnumerateFiles,
NULL,
NULL,
FSOS_OpenVFS
};
//======================================================================================================
//PACK files (*.pak)
void FSPAK_PrintPath(void *handle)
{
pack_t *pak = handle;
if (pak->references != 1)
Con_Printf("%s (%i)\n", pak->descname, pak->references-1);
else
Con_Printf("%s\n", pak->descname);
}
void FSPAK_ClosePath(void *handle)
{
pack_t *pak = handle;
pak->references--;
if (pak->references > 0)
return; //not free yet
VFS_CLOSE (pak->handle);
if (pak->files)
Z_Free(pak->files);
Z_Free(pak);
}
void FSPAK_BuildHash(void *handle)
{
pack_t *pak = handle;
int i;
for (i = 0; i < pak->numfiles; i++)
{
if (!Hash_GetInsensative(&filesystemhash, pak->files[i].name))
{
fs_hash_files++;
Hash_AddInsensative(&filesystemhash, pak->files[i].name, &pak->files[i], &pak->files[i].bucket);
}
else
fs_hash_dups++;
}
}
qboolean FSPAK_FLocate(void *handle, flocation_t *loc, char *filename, void *hashedresult)
{
packfile_t *pf = hashedresult;
int i, len;
pack_t *pak = handle;
// look through all the pak file elements
if (pf)
{ //is this a pointer to a file in this pak?
if (pf < pak->files || pf > pak->files + pak->numfiles)
return false; //was found in a different path
}
else
{
for (i=0 ; i<pak->numfiles ; i++) //look for the file
{
if (!strcmp (pak->files[i].name, filename))
{
pf = &pak->files[i];
break;
}
}
}
if (pf)
{
len = pf->filelen;
if (loc)
{
loc->index = pf - pak->files;
snprintf(loc->rawname, sizeof(loc->rawname), "%s/%s", pak->descname, filename);
loc->offset = pf->filepos;
loc->len = pf->filelen;
}
return true;
}
return false;
}
int FSPAK_EnumerateFiles (void *handle, char *match, int (*func)(char *, int, void *), void *parm)
{
pack_t *pak = handle;
int num;
for (num = 0; num<(int)pak->numfiles; num++)
{
if (wildcmp(match, pak->files[num].name))
{
if (!func(pak->files[num].name, pak->files[num].filelen, parm))
return false;
}
}
return true;
}
/*
=================
COM_LoadPackFile
Takes an explicit (not game tree related) path to a pak file.
Loads the header and directory, adding the files at the beginning
of the list so they override previous pack files.
=================
*/
void *FSPAK_LoadPackFile (vfsfile_t *file, char *desc)
{
dpackheader_t header;
int i;
// int j;
packfile_t *newfiles;
int numpackfiles;
pack_t *pack;
vfsfile_t *packhandle;
dpackfile_t info;
int read;
// unsigned short crc;
packhandle = file;
if (packhandle == NULL)
return NULL;
VFS_READ(packhandle, &header, sizeof(header));
if (header.id[0] != 'P' || header.id[1] != 'A'
|| header.id[2] != 'C' || header.id[3] != 'K')
{
return NULL;
// Sys_Error ("%s is not a packfile", packfile);
}
header.dirofs = LittleLong (header.dirofs);
header.dirlen = LittleLong (header.dirlen);
numpackfiles = header.dirlen / sizeof(dpackfile_t);
// if (numpackfiles > MAX_FILES_IN_PACK)
// Sys_Error ("%s has %i files", packfile, numpackfiles);
// if (numpackfiles != PAK0_COUNT)
// com_modified = true; // not the original file
newfiles = (packfile_t*)Z_Malloc (numpackfiles * sizeof(packfile_t));
VFS_SEEK(packhandle, header.dirofs);
// fread (&info, 1, header.dirlen, packhandle);
// crc the directory to check for modifications
// crc = QCRC_Block((qbyte *)info, header.dirlen);
// QCRC_Init (&crc);
pack = (pack_t*)Z_Malloc (sizeof (pack_t));
// parse the directory
for (i=0 ; i<numpackfiles ; i++)
{
*info.name = '\0';
read = VFS_READ(packhandle, &info, sizeof(info));
/*
for (j=0 ; j<sizeof(info) ; j++)
CRC_ProcessByte(&crc, ((qbyte *)&info)[j]);
*/
strcpy (newfiles[i].name, info.name);
COM_CleanUpPath(newfiles[i].name); //blooming tanks.
newfiles[i].filepos = LittleLong(info.filepos);
newfiles[i].filelen = LittleLong(info.filelen);
}
/*
if (crc != PAK0_CRC)
com_modified = true;
*/
strcpy (pack->descname, desc);
pack->handle = packhandle;
pack->numfiles = numpackfiles;
pack->files = newfiles;
pack->filepos = 0;
VFS_SEEK(packhandle, pack->filepos);
pack->references++;
Con_TPrintf (TL_ADDEDPACKFILE, desc, numpackfiles);
return pack;
}
typedef struct {
vfsfile_t funcs;
pack_t *parentpak;
unsigned long startpos;
unsigned long length;
unsigned long currentpos;
} vfspack_t;
int VFSPAK_ReadBytes (struct vfsfile_s *vfs, void *buffer, int bytestoread)
{
vfspack_t *vfsp = (vfspack_t*)vfs;
int read;
if (vfsp->currentpos - vfsp->startpos + bytestoread > vfsp->length)
bytestoread = vfsp->length - (vfsp->currentpos - vfsp->startpos);
if (bytestoread <= 0)
return -1;
if (vfsp->parentpak->filepos != vfsp->currentpos)
VFS_SEEK(vfsp->parentpak->handle, vfsp->currentpos);
read = VFS_READ(vfsp->parentpak->handle, buffer, bytestoread);
vfsp->currentpos += read;
vfsp->parentpak->filepos = vfsp->currentpos;
return read;
}
int VFSPAK_WriteBytes (struct vfsfile_s *vfs, void *buffer, int bytestoread)
{ //not supported.
Sys_Error("Cannot write to pak files\n");
return 0;
}
qboolean VFSPAK_Seek (struct vfsfile_s *vfs, unsigned long pos)
{
vfspack_t *vfsp = (vfspack_t*)vfs;
if (pos < 0 || pos > vfsp->length)
return false;
vfsp->currentpos = pos + vfsp->startpos;
return true;
}
unsigned long VFSPAK_Tell (struct vfsfile_s *vfs)
{
vfspack_t *vfsp = (vfspack_t*)vfs;
return vfsp->currentpos - vfsp->startpos;
}
unsigned long VFSPAK_GetLen (struct vfsfile_s *vfs)
{
vfspack_t *vfsp = (vfspack_t*)vfs;
return vfsp->length;
}
void VFSPAK_Close(vfsfile_t *vfs)
{
vfspack_t *vfsp = (vfspack_t*)vfs;
FSPAK_ClosePath(vfsp->parentpak); //tell the parent that we don't need it open any more (reference counts)
Z_Free(vfsp); //free ourselves.
}
vfsfile_t *FSPAK_OpenVFS(void *handle, flocation_t *loc, char *mode)
{
pack_t *pack = (pack_t*)handle;
vfspack_t *vfs;
if (strcmp(mode, "rb"))
return NULL; //urm, unable to write/append
vfs = Z_Malloc(sizeof(vfspack_t));
vfs->parentpak = pack;
vfs->parentpak->references++;
vfs->startpos = loc->offset;
vfs->length = loc->len;
vfs->currentpos = vfs->startpos;
vfs->funcs.Close = VFSPAK_Close;
vfs->funcs.GetLen = VFSPAK_GetLen;
vfs->funcs.ReadBytes = VFSPAK_ReadBytes;
vfs->funcs.Seek = VFSPAK_Seek;
vfs->funcs.Tell = VFSPAK_Tell;
vfs->funcs.WriteBytes = VFSPAK_WriteBytes; //not supported
return (vfsfile_t *)vfs;
}
searchpathfuncs_t packfilefuncs = {
FSPAK_PrintPath,
FSPAK_ClosePath,
FSPAK_BuildHash,
FSPAK_FLocate,
FSOS_ReadFile,
FSPAK_EnumerateFiles,
FSPAK_LoadPackFile,
NULL,
FSPAK_OpenVFS
};
#ifdef DOOMWADS
void *FSPAK_LoadDoomWadFile (vfsfile_t *packhandle, char *desc)
{
dwadheader_t header;
int i;
packfile_t *newfiles;
int numpackfiles;
pack_t *pack;
dwadfile_t info;
int section=0;
char sectionname[MAX_QPATH];
char filename[52];
char neatwadname[52];
if (packhandle == NULL)
return NULL;
VFS_READ(packhandle, &header, sizeof(header));
if (header.id[1] != 'W' || header.id[2] != 'A' || header.id[3] != 'D')
return NULL; //not a doom wad
//doom wads come in two sorts. iwads and pwads.
//iwads are the master wads, pwads are meant to replace parts of the master wad.
//this is awkward, of course.
//we ignore the i/p bit for the most part, but with maps, pwads are given a prefixed name.
if (header.id[0] == 'I')
*neatwadname = '\0';
else if (header.id[0] == 'P')
{
COM_FileBase(desc, neatwadname, sizeof(neatwadname));
strcat(neatwadname, "#");
}
else
return NULL;
header.dirofs = LittleLong (header.dirofs);
header.dirlen = LittleLong (header.dirlen);
numpackfiles = header.dirlen;
newfiles = (packfile_t*)Z_Malloc (numpackfiles * sizeof(packfile_t));
VFS_SEEK(packhandle, header.dirofs);
//doom wads are awkward.
//they have no directory structure, except for start/end 'files'.
//they follow along the lines of lumps after the parent name.
//a map is the name of that map, and then a squence of the lumps that form that map (found by next-with-that-name).
//this is a problem for a real virtual filesystem, so we add a hack to recognise special names and expand them specially.
for (i=0 ; i<numpackfiles ; i++)
{
VFS_READ (packhandle, &info, sizeof(info));
strcpy (filename, info.name);
filename[8] = '\0';
Q_strlwr(filename);
newfiles[i].filepos = LittleLong(info.filepos);
newfiles[i].filelen = LittleLong(info.filelen);
switch(section) //be prepared to remap filenames.
{
newsection:
case 0:
if (info.filelen == 0)
{ //marker for something...
if (!strcmp(filename, "s_start"))
{
section = 2;
sprintf (newfiles[i].name, "sprites/%s", filename); //the model loader has a hack to recognise .dsp
break;
}
if (!strcmp(filename, "p_start"))
{
section = 3;
sprintf (newfiles[i].name, "patches/%s", filename); //the map loader will find these.
break;
}
if (!strcmp(filename, "f_start"))
{
section = 4;
sprintf (newfiles[i].name, "flats/%s", filename); //the map loader will find these
break;
}
if ((filename[0] == 'e' && filename[2] == 'm') || !strncmp(filename, "map", 3))
{ //this is the start of a beutiful new map
section = 1;
strcpy(sectionname, filename);
sprintf (newfiles[i].name, "maps/%s%s.bsp", neatwadname, filename); //generate fake bsps to allow the server to find them
newfiles[i].filepos = 0;
newfiles[i].filelen = 4;
break;
}
if (!strncmp(filename, "gl_", 3) && ((filename[4] == 'e' && filename[5] == 'm') || !strncmp(filename+3, "map", 3)))
{ //this is the start of a beutiful new map
section = 5;
strcpy(sectionname, filename+3);
break;
}
}
sprintf (newfiles[i].name, "wad/%s", filename); //but there are many files that we don't recognise/know about. archive them off to keep the vfs moderatly clean.
break;
case 1: //map section
if (strcmp(filename, "things") &&
strcmp(filename, "linedefs") &&
strcmp(filename, "sidedefs") &&
strcmp(filename, "vertexes") &&
strcmp(filename, "segs") &&
strcmp(filename, "ssectors") &&
strcmp(filename, "nodes") &&
strcmp(filename, "sectors") &&
strcmp(filename, "reject") &&
strcmp(filename, "blockmap"))
{
section = 0;
goto newsection;
}
sprintf (newfiles[i].name, "maps/%s%s.%s", neatwadname, sectionname, filename);
break;
case 5: //glbsp output section
if (strcmp(filename, "gl_vert") &&
strcmp(filename, "gl_segs") &&
strcmp(filename, "gl_ssect") &&
strcmp(filename, "gl_pvs") &&
strcmp(filename, "gl_nodes"))
{
section = 0;
goto newsection;
}
sprintf (newfiles[i].name, "maps/%s%s.%s", neatwadname, sectionname, filename);
break;
case 2: //sprite section
if (!strcmp(filename, "s_end"))
{
section = 0;
goto newsection;
}
sprintf (newfiles[i].name, "sprites/%s", filename);
break;
case 3: //patches section
if (!strcmp(filename, "p_end"))
{
section = 0;
goto newsection;
}
sprintf (newfiles[i].name, "patches/%s", filename);
break;
case 4: //flats section
if (!strcmp(filename, "f_end"))
{
section = 0;
goto newsection;
}
sprintf (newfiles[i].name, "flats/%s", filename);
break;
}
}
pack = (pack_t*)Z_Malloc (sizeof (pack_t));
strcpy (pack->descname, desc);
pack->handle = packhandle;
pack->numfiles = numpackfiles;
pack->files = newfiles;
pack->filepos = 0;
VFS_SEEK(packhandle, pack->filepos);
pack->references++;
Con_TPrintf (TL_ADDEDPACKFILE, desc, numpackfiles);
return pack;
}
searchpathfuncs_t doomwadfilefuncs = {
FSPAK_PrintPath,
FSPAK_ClosePath,
FSPAK_BuildHash,
FSPAK_FLocate,
FSOS_ReadFile,
FSPAK_EnumerateFiles,
FSPAK_LoadDoomWadFile,
NULL,
FSPAK_OpenVFS
};
#endif
//======================================================================================================
//ZIP files (*.zip *.pk3)
void *com_pathforfile; //fread and stuff is preferable if null
#ifndef ZEXPORT
#define ZEXPORT VARGS
#endif
#ifdef AVAIL_ZLIB
#ifdef _WIN32
#pragma comment( lib, "../libs/zlib.lib" )
#endif
//#define uShort ZLIBuShort
//#define uLong ZLIBuLong
#include <zlib.h>
#include "unzip.c"
typedef struct zipfile_s
{
char filename[MAX_QPATH];
unzFile handle;
int numfiles;
packfile_t *files;
#ifdef HASH_FILESYSTEM
hashtable_t hash;
#endif
vfsfile_t *raw;
vfsfile_t *currentfile; //our unzip.c can only handle one active file at any one time
//so we have to keep closing and switching.
//slow, but it works. most of the time we'll only have a single file open anyway.
int references; //and a reference count
} zipfile_t;
static void FSZIP_PrintPath(void *handle)
{
zipfile_t *zip = handle;
if (zip->references != 1)
Con_Printf("%s (%i)\n", zip->filename, zip->references-1);
else
Con_Printf("%s\n", zip->filename);
}
static void FSZIP_ClosePath(void *handle)
{
zipfile_t *zip = handle;
if (--zip->references > 0)
return; //not yet time
unzClose(zip->handle);
if (zip->files)
Z_Free(zip->files);
Z_Free(zip);
}
static void FSZIP_BuildHash(void *handle)
{
zipfile_t *zip = handle;
int i;
for (i = 0; i < zip->numfiles; i++)
{
if (!Hash_GetInsensative(&filesystemhash, zip->files[i].name))
{
fs_hash_files++;
Hash_AddInsensative(&filesystemhash, zip->files[i].name, &zip->files[i], &zip->files[i].bucket);
}
else
fs_hash_dups++;
}
}
static qboolean FSZIP_FLocate(void *handle, flocation_t *loc, char *filename, void *hashedresult)
{
packfile_t *pf = hashedresult;
int i, len;
zipfile_t *zip = handle;
// look through all the pak file elements
if (pf)
{ //is this a pointer to a file in this pak?
if (pf < zip->files || pf >= zip->files + zip->numfiles)
return false; //was found in a different path
}
else
{
for (i=0 ; i<zip->numfiles ; i++) //look for the file
{
if (!stricmp (zip->files[i].name, filename))
{
pf = &zip->files[i];
break;
}
}
}
if (pf)
{
len = pf->filelen;
if (loc)
{
loc->index = pf - zip->files;
strcpy(loc->rawname, zip->filename);
loc->offset = pf->filepos;
loc->len = pf->filelen;
unzLocateFileMy (zip->handle, loc->index, zip->files[loc->index].filepos);
loc->offset = unzGetCurrentFileUncompressedPos(zip->handle);
// if (loc->offset<0)
// { //file not found, or is compressed.
// *loc->rawname = '\0';
// loc->offset=0;
// }
}
return true;
}
return false;
}
static void FSZIP_ReadFile(void *handle, flocation_t *loc, char *buffer)
{
zipfile_t *zip = handle;
int err;
unzLocateFileMy (zip->handle, loc->index, zip->files[loc->index].filepos);
unzOpenCurrentFile (zip->handle);
err = unzReadCurrentFile (zip->handle, buffer, zip->files[loc->index].filelen);
unzCloseCurrentFile (zip->handle);
if (err!=zip->files[loc->index].filelen)
{
Con_Printf ("Can't extract file \"%s:%s\" (corrupt)\n", zip->filename, zip->files[loc->index].name);
return;
}
return;
}
static int FSZIP_EnumerateFiles (void *handle, char *match, int (*func)(char *, int, void *), void *parm)
{
zipfile_t *zip = handle;
int num;
for (num = 0; num<(int)zip->numfiles; num++)
{
if (wildcmp(match, zip->files[num].name))
{
if (!func(zip->files[num].name, zip->files[num].filelen, parm))
return false;
}
}
return true;
}
/*
=================
COM_LoadZipFile
Takes an explicit (not game tree related) path to a pak file.
Loads the header and directory, adding the files at the beginning
of the list so they override previous pack files.
=================
*/
static void *FSZIP_LoadZipFile (vfsfile_t *packhandle, char *desc)
{
int i;
zipfile_t *zip;
packfile_t *newfiles;
unz_global_info globalinf = {0};
unz_file_info file_info;
zip = Z_Malloc(sizeof(zipfile_t));
Q_strncpyz(zip->filename, desc, sizeof(zip->filename));
zip->handle = unzOpen ((zip->raw = packhandle));
if (!zip->handle)
{
Z_Free(zip);
Con_TPrintf (TL_COULDNTOPENZIP, desc);
return NULL;
}
unzGetGlobalInfo (zip->handle, &globalinf);
zip->numfiles = globalinf.number_entry;
zip->files = newfiles = Z_Malloc (zip->numfiles * sizeof(packfile_t));
for (i = 0; i < zip->numfiles; i++)
{
unzGetCurrentFileInfo (zip->handle, &file_info, newfiles[i].name, sizeof(newfiles[i].name), NULL, 0, NULL, 0);
Q_strlwr(newfiles[i].name);
newfiles[i].filelen = file_info.uncompressed_size;
newfiles[i].filepos = file_info.c_offset;
unzGoToNextFile (zip->handle);
}
zip->references = 1;
zip->currentfile = NULL;
Con_TPrintf (TL_ADDEDZIPFILE, desc, zip->numfiles);
return zip;
}
int FSZIP_GeneratePureCRC(void *handle, int seed, int crctype)
{
zipfile_t *zip = handle;
unz_file_info file_info;
int *filecrcs;
int numcrcs=0;
int i;
filecrcs = BZ_Malloc((zip->numfiles+1)*sizeof(int));
filecrcs[numcrcs++] = seed;
unzGoToFirstFile(zip->handle);
for (i = 0; i < zip->numfiles; i++)
{
if (zip->files[i].filelen>0)
{
unzGetCurrentFileInfo (zip->handle, &file_info, NULL, 0, NULL, 0, NULL, 0);
filecrcs[numcrcs++] = file_info.crc;
}
unzGoToNextFile (zip->handle);
}
if (crctype)
return Com_BlockChecksum(filecrcs, numcrcs*sizeof(int));
else
return Com_BlockChecksum(filecrcs+1, (numcrcs-1)*sizeof(int));
}
typedef struct {
vfsfile_t funcs;
vfsfile_t *defer;
//in case we're forced away.
zipfile_t *parent;
qboolean iscompressed;
int pos;
int length; //try and optimise some things
int index;
int startpos;
} vfszip_t;
void VFSZIP_MakeActive(vfszip_t *vfsz)
{
int i;
char buffer[8192]; //must be power of two
if ((vfszip_t*)vfsz->parent->currentfile == vfsz)
return; //already us
if (vfsz->parent->currentfile)
unzCloseCurrentFile(vfsz->parent->handle);
unzLocateFileMy(vfsz->parent->handle, vfsz->index, vfsz->startpos);
unzOpenCurrentFile(vfsz->parent->handle);
if (vfsz->pos > 0)
{
Con_DPrintf("VFSZIP_MakeActive: Shockingly inefficient\n");
//now we need to seek up to where we had previously gotten to.
for (i = 0; i < vfsz->pos-sizeof(buffer); i++)
unzReadCurrentFile(vfsz->parent->handle, buffer, sizeof(buffer));
unzReadCurrentFile(vfsz->parent->handle, buffer, vfsz->pos - i);
}
vfsz->parent->currentfile = (vfsfile_t*)vfsz;
}
int VFSZIP_ReadBytes (struct vfsfile_s *file, void *buffer, int bytestoread)
{
int read;
vfszip_t *vfsz = (vfszip_t*)file;
if (vfsz->defer)
return VFS_READ(vfsz->defer, buffer, bytestoread);
if (vfsz->iscompressed)
{
VFSZIP_MakeActive(vfsz);
read = unzReadCurrentFile(vfsz->parent->handle, buffer, bytestoread);
}
else
{
if (vfsz->parent->currentfile != file)
{
unzCloseCurrentFile(vfsz->parent->handle);
VFS_SEEK(vfsz->parent->raw, vfsz->pos+vfsz->startpos);
vfsz->parent->currentfile = file;
}
read = VFS_READ(vfsz->parent->raw, buffer, bytestoread);
}
vfsz->pos += read;
return read;
}
int VFSZIP_WriteBytes (struct vfsfile_s *file, void *buffer, int bytestoread)
{
Sys_Error("VFSZIP_WriteBytes: Not supported\n");
return 0;
}
qboolean VFSZIP_Seek (struct vfsfile_s *file, unsigned long pos)
{
vfszip_t *vfsz = (vfszip_t*)file;
if (vfsz->defer)
return VFS_SEEK(vfsz->defer, pos);
//This is *really* inefficient
if (vfsz->parent->currentfile == file)
{
if (vfsz->iscompressed)
{ //if they're going to seek on a file in a zip, let's just copy it out
char buffer[8192];
unsigned int chunk;
unsigned int i;
unsigned int length;
vfsz->defer = FS_OpenTemp();
if (vfsz->defer)
{
unzCloseCurrentFile(vfsz->parent->handle);
vfsz->parent->currentfile = NULL; //make it not us
length = vfsz->length;
i = 0;
vfsz->pos = 0;
VFSZIP_MakeActive(vfsz);
while (1)
{
chunk = length - i;
if (chunk > sizeof(buffer))
chunk = sizeof(buffer);
if (chunk == 0)
break;
unzReadCurrentFile(vfsz->parent->handle, buffer, chunk);
VFS_WRITE(vfsz->defer, buffer, chunk);
i += chunk;
}
}
}
unzCloseCurrentFile(vfsz->parent->handle);
vfsz->parent->currentfile = NULL; //make it not us
if (vfsz->defer)
return VFS_SEEK(vfsz->defer, pos);
}
if (pos < 0 || pos > vfsz->length)
return false;
vfsz->pos = pos;
return true;
}
unsigned long VFSZIP_Tell (struct vfsfile_s *file)
{
vfszip_t *vfsz = (vfszip_t*)file;
if (vfsz->defer)
return VFS_TELL(vfsz->defer);
return vfsz->pos;
}
unsigned long VFSZIP_GetLen (struct vfsfile_s *file)
{
vfszip_t *vfsz = (vfszip_t*)file;
return vfsz->length;
}
void VFSZIP_Close (struct vfsfile_s *file)
{
vfszip_t *vfsz = (vfszip_t*)file;
if (vfsz->parent->currentfile == file)
vfsz->parent->currentfile = NULL; //make it not us
if (vfsz->defer)
VFS_CLOSE(vfsz->defer);
FSZIP_ClosePath(vfsz->parent);
Z_Free(vfsz);
}
vfsfile_t *FSZIP_OpenVFS(void *handle, flocation_t *loc, char *mode)
{
int rawofs;
zipfile_t *zip = handle;
vfszip_t *vfsz;
if (strcmp(mode, "rb"))
return NULL; //urm, unable to write/append
vfsz = Z_Malloc(sizeof(vfszip_t));
vfsz->parent = zip;
vfsz->index = loc->index;
vfsz->startpos = zip->files[loc->index].filepos;
vfsz->length = loc->len;
vfsz->funcs.Close = VFSZIP_Close;
vfsz->funcs.GetLen = VFSZIP_GetLen;
vfsz->funcs.ReadBytes = VFSZIP_ReadBytes;
vfsz->funcs.Seek = VFSZIP_Seek;
vfsz->funcs.Tell = VFSZIP_Tell;
vfsz->funcs.WriteBytes = NULL;
vfsz->funcs.seekingisabadplan = true;
unzLocateFileMy(vfsz->parent->handle, vfsz->index, vfsz->startpos);
rawofs = unzGetCurrentFileUncompressedPos(zip->handle);
vfsz->iscompressed = rawofs<0;
if (!vfsz->iscompressed)
{
vfsz->startpos = rawofs;
VFS_SEEK(zip->raw, vfsz->startpos);
vfsz->parent->currentfile = (vfsfile_t*)vfsz;
}
zip->references++;
return (vfsfile_t*)vfsz;
}
searchpathfuncs_t zipfilefuncs = {
FSZIP_PrintPath,
FSZIP_ClosePath,
FSZIP_BuildHash,
FSZIP_FLocate,
FSZIP_ReadFile,
FSZIP_EnumerateFiles,
FSZIP_LoadZipFile,
FSZIP_GeneratePureCRC,
FSZIP_OpenVFS
};
#endif
//======================================================================================================
typedef struct searchpath_s
{
searchpathfuncs_t *funcs;
qboolean copyprotected; //don't allow downloads from here.
qboolean istemporary;
void *handle;
int crc_check; //client sorts packs according to this checksum
int crc_reply; //client sends a different crc back to the server, for the paks it's actually loaded.
struct searchpath_s *next;
struct searchpath_s *nextpure;
} searchpath_t;
searchpath_t *com_searchpaths;
searchpath_t *com_purepaths;
searchpath_t *com_base_searchpaths; // without gamedirs
static void COM_AddDataFiles(char *pathto, searchpath_t *search, char *extension, searchpathfuncs_t *funcs);
searchpath_t *COM_AddPathHandle(char *probablepath, searchpathfuncs_t *funcs, void *handle, qboolean copyprotect, qboolean istemporary, unsigned int loadstuff)
{
searchpath_t *search;
search = (searchpath_t*)Z_Malloc (sizeof(searchpath_t));
search->copyprotected = copyprotect;
search->istemporary = istemporary;
search->handle = handle;
search->funcs = funcs;
search->next = com_searchpaths;
com_searchpaths = search;
com_fschanged = true;
//add any data files too
if (loadstuff & 2)
COM_AddDataFiles(probablepath, search, "pak", &packfilefuncs);//q1/hl/h2/q2
//pk2s never existed.
#ifdef AVAIL_ZLIB
if (loadstuff & 4)
COM_AddDataFiles(probablepath, search, "pk3", &zipfilefuncs); //q3 + offspring
if (loadstuff & 8)
COM_AddDataFiles(probablepath, search, "pk4", &zipfilefuncs); //q4
//we could easily add zip, but it's friendlier not to
#endif
#ifdef DOOMWADS
if (loadstuff & 16)
COM_AddDataFiles(probablepath, search, "wad", &doomwadfilefuncs); //q4
#endif
return search;
}
/*
================
COM_filelength
================
*/
int COM_filelength (FILE *f)
{
int pos;
int end;
pos = ftell (f);
fseek (f, 0, SEEK_END);
end = ftell (f);
fseek (f, pos, SEEK_SET);
return end;
}
int COM_FileOpenRead (char *path, FILE **hndl)
{
FILE *f;
f = fopen(path, "rb");
if (!f)
{
*hndl = NULL;
return -1;
}
*hndl = f;
return COM_filelength(f);
}
int COM_FileSize(char *path)
{
int len;
flocation_t loc;
len = FS_FLocateFile(path, FSLFRT_LENGTH, &loc);
return len;
}
/*
============
COM_Path_f
============
*/
void COM_Path_f (void)
{
searchpath_t *s;
Con_TPrintf (TL_CURRENTSEARCHPATH);
if (com_purepaths)
{
for (s=com_purepaths ; s ; s=s->nextpure)
{
s->funcs->PrintPath(s->handle);
}
Con_Printf ("----------\n");
}
for (s=com_searchpaths ; s ; s=s->next)
{
if (s == com_base_searchpaths)
Con_Printf ("----------\n");
s->funcs->PrintPath(s->handle);
}
}
/*
============
COM_Dir_f
============
*/
static int COM_Dir_List(char *name, int size, void *parm)
{
Con_Printf("%s (%i)\n", name, size);
return 1;
}
void COM_Dir_f (void)
{
char match[MAX_QPATH];
Q_strncpyz(match, Cmd_Argv(1), sizeof(match));
if (Cmd_Argc()>2)
{
strncat(match, "/*.", sizeof(match)-1);
match[sizeof(match)-1] = '\0';
strncat(match, Cmd_Argv(2), sizeof(match)-1);
match[sizeof(match)-1] = '\0';
}
else
strncat(match, "/*", sizeof(match)-1);
COM_EnumerateFiles(match, COM_Dir_List, NULL);
}
/*
============
COM_Locate_f
============
*/
void COM_Locate_f (void)
{
flocation_t loc;
if (FS_FLocateFile(Cmd_Argv(1), FSLFRT_LENGTH, &loc)>=0)
{
if (!*loc.rawname)
{
Con_Printf("File is compressed inside ");
loc.search->funcs->PrintPath(loc.search->handle);
}
else
{
Con_Printf("Inside %s\n", loc.rawname);
loc.search->funcs->PrintPath(loc.search->handle);
}
}
else
Con_Printf("Not found\n");
}
/*
============
COM_WriteFile
The filename will be prefixed by the current game directory
============
*/
void COM_WriteFile (char *filename, void *data, int len)
{
vfsfile_t *vfs;
Sys_Printf ("COM_WriteFile: %s\n", filename);
FS_CreatePath(filename, FS_GAMEONLY);
vfs = FS_OpenVFS(filename, "wb", FS_GAMEONLY);
if (vfs)
{
VFS_WRITE(vfs, data, len);
VFS_CLOSE(vfs);
}
com_fschanged=true;
}
FILE *COM_WriteFileOpen (char *filename) //like fopen, but based around quake's paths.
{
FILE *f;
char name[MAX_OSPATH];
sprintf (name, "%s/%s", com_gamedir, filename);
COM_CreatePath(name);
f = fopen (name, "wb");
return f;
}
/*
============
COM_CreatePath
Only used for CopyFile and download
============
*/
void COM_CreatePath (char *path)
{
char *ofs;
for (ofs = path+1 ; *ofs ; ofs++)
{
if (*ofs == '/')
{ // create the directory
*ofs = 0;
Sys_mkdir (path);
*ofs = '/';
}
}
}
/*
===========
COM_CopyFile
Copies a file over from the net to the local cache, creating any directories
needed. This is for the convenience of developers using ISDN from home.
===========
*/
void COM_CopyFile (char *netpath, char *cachepath)
{
FILE *in, *out;
int remaining, count;
char buf[4096];
remaining = COM_FileOpenRead (netpath, &in);
COM_CreatePath (cachepath); // create directories up to the cache file
out = fopen(cachepath, "wb");
if (!out)
Sys_Error ("Error opening %s", cachepath);
while (remaining)
{
if (remaining < sizeof(buf))
count = remaining;
else
count = sizeof(buf);
fread (buf, 1, count, in);
fwrite (buf, 1, count, out);
remaining -= count;
}
fclose (in);
fclose (out);
}
int fs_hash_dups;
int fs_hash_files;
void FS_FlushFSHash(void)
{
if (filesystemhash.numbuckets)
{
int i;
bucket_t *bucket, *next;
for (i = 0; i < filesystemhash.numbuckets; i++)
{
bucket = filesystemhash.bucket[i];
filesystemhash.bucket[i] = NULL;
while(bucket)
{
next = bucket->next;
if (bucket->keystring == (char*)(bucket+1))
Z_Free(bucket);
bucket = next;
}
}
}
com_fschanged = true;
}
void FS_RebuildFSHash(void)
{
searchpath_t *search;
if (!filesystemhash.numbuckets)
{
filesystemhash.numbuckets = 1024;
filesystemhash.bucket = (bucket_t**)BZ_Malloc(Hash_BytesForBuckets(filesystemhash.numbuckets));
}
else
{
FS_FlushFSHash();
}
Hash_InitTable(&filesystemhash, filesystemhash.numbuckets, filesystemhash.bucket);
fs_hash_dups = 0;
fs_hash_files = 0;
if (com_purepaths)
{ //go for the pure paths first.
for (search = com_purepaths; search; search = search->nextpure)
{
search->funcs->BuildHash(search->handle);
}
}
for (search = com_searchpaths ; search ; search = search->next)
{
search->funcs->BuildHash(search->handle);
}
com_fschanged = false;
Con_Printf("%i unique files, %i duplicates\n", fs_hash_files, fs_hash_dups);
}
/*
===========
COM_FindFile
Finds the file in the search path.
Sets com_filesize and one of handle or file
===========
*/
//if loc is valid, loc->search is always filled in, the others are filled on success.
//returns -1 if couldn't find.
int FS_FLocateFile(char *filename, FSLF_ReturnType_e returntype, flocation_t *loc)
{
int depth=0, len;
searchpath_t *search;
void *pf;
//Con_Printf("Finding %s: ", filename);
if (com_fs_cache.value)
{
if (com_fschanged)
FS_RebuildFSHash();
pf = Hash_GetInsensative(&filesystemhash, filename);
if (!pf)
goto fail;
}
else
pf = NULL;
if (com_purepaths)
{
for (search = com_purepaths ; search ; search = search->nextpure)
{
if (search->funcs->FindFile(search->handle, loc, filename, pf))
{
if (loc)
{
loc->search = search;
len = loc->len;
}
else
len = 0;
goto out;
}
depth += (search->funcs != &osfilefuncs || returntype == FSLFRT_DEPTH_ANYPATH);
}
}
//
// search through the path, one element at a time
//
for (search = com_searchpaths ; search ; search = search->next)
{
if (search->funcs->FindFile(search->handle, loc, filename, pf))
{
if (loc)
{
loc->search = search;
len = loc->len;
}
else
len = 1;
goto out;
}
depth += (search->funcs != &osfilefuncs || returntype == FSLFRT_DEPTH_ANYPATH);
}
fail:
if (loc)
loc->search = NULL;
depth = 0x7fffffff;
len = -1;
out:
/* if (len>=0)
{
if (loc)
Con_Printf("Found %s:%i\n", loc->rawname, loc->len);
else
Con_Printf("Found %s\n", filename);
}
else
Con_Printf("Failed\n");
*/
if (returntype == FSLFRT_IFFOUND)
return len != -1;
else if (returntype == FSLFRT_LENGTH)
return len;
else
return depth;
}
char *FS_GetPackHashes(char *buffer, int buffersize, qboolean referencedonly)
{
searchpath_t *search;
buffersize--;
*buffer = 0;
if (com_purepaths)
{
for (search = com_purepaths ; search ; search = search->nextpure)
{
Q_strncatz(buffer, va("%i ", search->crc_check), buffersize);
}
return buffer;
}
else
{
for (search = com_searchpaths ; search ; search = search->next)
{
if (!search->crc_check && search->funcs->GeneratePureCRC)
search->crc_check = search->funcs->GeneratePureCRC(search->handle, 0, 0);
if (search->crc_check)
{
Q_strncatz(buffer, va("%i ", search->crc_check), buffersize);
}
}
return buffer;
}
}
char *FS_GetPackNames(char *buffer, int buffersize, qboolean referencedonly)
{
return "";
}
#if 0
int COM_FOpenLocationFILE(flocation_t *loc, FILE **file)
{
if (!*loc->rawname)
{
if (!loc->len)
{
*file = NULL;
return -1;
}
if (loc->search->funcs->ReadFile)
{//create a new, temp file, bung the contents of the compressed file into it, then continue.
char *buf;
FILE *f = tmpfile();
buf = BZ_Malloc(loc->len);
loc->search->funcs->ReadFile(loc->search->handle, loc, buf);
fwrite(buf, 1, loc->len, f);
BZ_Free(buf);
fseek(f, 0, SEEK_SET);
*file = f;
com_pathforfile = loc->search;
return loc->len;
}
return -1;
}
// Con_Printf("Opening %s\n", loc->rawname);
*file = fopen(loc->rawname, "rb");
if (!*file)
return -1;
fseek(*file, loc->offset, SEEK_SET);
com_pathforfile = loc->search;
return loc->len;
}
int COM_FOpenFile(char *filename, FILE **file)
{
flocation_t loc;
Con_Printf(S_ERROR "COM_FOpenFile is obsolete\n");
FS_FLocateFile(filename, FSLFRT_LENGTH, &loc);
com_filesize = -1;
if (loc.search)
{
com_file_copyprotected = loc.search->copyprotected;
com_filesize = COM_FOpenLocationFILE(&loc, file);
}
else
*file = NULL;
return com_filesize;
}
/*
int COM_FOpenWriteFile(char *filename, FILE **file)
{
COM_CreatePath(filename);
*file = fopen(filename, "wb");
return !!*file;
}
*/
#endif
//int COM_FOpenFile (char *filename, FILE **file) {file_from_pak=0;return COM_FOpenFile2 (filename, file, false);} //FIXME: TEMPORARY
//true if protection kicks in
qboolean Sys_PathProtection(char *pattern)
{
if (strchr(pattern, '\\'))
{
char *s;
Con_Printf("Warning: \\ charactures in filename %s\n", pattern);
while((s = strchr(pattern, '\\')))
*s = '/';
}
if (strstr(pattern, ".."))
Con_Printf("Error: '..' charactures in filename %s\n", pattern);
else if (pattern[0] == '/')
Con_Printf("Error: absolute path in filename %s\n", pattern);
else if (strstr(pattern, ":")) //win32 drive seperator (or mac path seperator, but / works there and they're used to it)
Con_Printf("Error: absolute path in filename %s\n", pattern);
else
return false;
return true;
}
#ifdef AVAIL_ZLIB
typedef struct {
unsigned char ident1;
unsigned char ident2;
unsigned char cm;
unsigned char flags;
unsigned int mtime;
unsigned char xflags;
unsigned char os;
} gzheader_t;
#define sizeofgzheader_t 10
#define GZ_FTEXT 1
#define GZ_FHCRC 2
#define GZ_FEXTRA 4
#define GZ_FNAME 8
#define GZ_FCOMMENT 16
#define GZ_RESERVED (32|64|128)
#include <zlib.h>
vfsfile_t *FS_DecompressGZip(vfsfile_t *infile, gzheader_t *header)
{
char inchar;
unsigned short inshort;
vfsfile_t *temp;
if (header->flags & GZ_RESERVED)
{ //reserved bits should be 0
//this is probably static, so it's not a gz. doh.
VFS_SEEK(infile, 0);
return infile;
}
if (header->flags & GZ_FEXTRA)
{
VFS_READ(infile, &inshort, sizeof(inshort));
inshort = LittleShort(inshort);
VFS_SEEK(infile, VFS_TELL(infile) + inshort);
}
if (header->flags & GZ_FNAME)
{
Con_Printf("gzipped file name: ");
do {
if (VFS_READ(infile, &inchar, sizeof(inchar)) != 1)
break;
Con_Printf("%c", inchar);
} while(inchar);
Con_Printf("\n");
}
if (header->flags & GZ_FCOMMENT)
{
Con_Printf("gzipped file comment: ");
do {
if (VFS_READ(infile, &inchar, sizeof(inchar)) != 1)
break;
Con_Printf("%c", inchar);
} while(inchar);
Con_Printf("\n");
}
if (header->flags & GZ_FHCRC)
{
VFS_READ(infile, &inshort, sizeof(inshort));
}
temp = FS_OpenTemp();
if (!temp)
{
VFS_SEEK(infile, 0); //doh
return infile;
}
{
char inbuffer[16384];
char outbuffer[16384];
int ret;
z_stream strm = {
inbuffer,
0,
0,
outbuffer,
sizeof(outbuffer),
0,
NULL,
NULL,
NULL,
NULL,
NULL,
Z_UNKNOWN,
0,
0
};
strm.avail_in = VFS_READ(infile, inbuffer, sizeof(inbuffer));
strm.next_in = inbuffer;
inflateInit2(&strm, -MAX_WBITS);
while ((ret=inflate(&strm, Z_SYNC_FLUSH)) != Z_STREAM_END)
{
if (strm.avail_in == 0 || strm.avail_out == 0)
{
if (strm.avail_in == 0)
{
strm.avail_in = VFS_READ(infile, inbuffer, sizeof(inbuffer));
strm.next_in = inbuffer;
}
if (strm.avail_out == 0)
{
strm.next_out = outbuffer;
VFS_WRITE(temp, outbuffer, strm.total_out);
strm.total_out = 0;
strm.avail_out = sizeof(outbuffer);
}
continue;
}
//doh, it terminated for no reason
inflateEnd(&strm);
if (ret != Z_STREAM_END)
{
Con_Printf("Couldn't decompress gz file\n");
VFS_CLOSE(temp);
VFS_CLOSE(infile);
return NULL;
}
}
//we got to the end
VFS_WRITE(temp, outbuffer, strm.total_out);
inflateEnd(&strm);
VFS_SEEK(temp, 0);
}
VFS_CLOSE(infile);
return temp;
}
#endif
vfsfile_t *VFS_Filter(char *filename, vfsfile_t *handle)
{
// char *ext;
if (!handle || handle->WriteBytes || handle->seekingisabadplan) //only on readonly files
return handle;
// ext = COM_FileExtension (filename);
#ifdef AVAIL_ZLIB
// if (!stricmp(ext, ".gz"))
{
gzheader_t gzh;
if (VFS_READ(handle, &gzh, sizeofgzheader_t) == sizeofgzheader_t)
{
if (gzh.ident1 == 0x1f && gzh.ident2 == 0x8b && gzh.cm == 8)
{ //it'll do
return FS_DecompressGZip(handle, &gzh);
}
}
VFS_SEEK(handle, 0);
}
#endif
return handle;
}
vfsfile_t *FS_OpenVFS(char *filename, char *mode, int relativeto)
{
char fullname[MAX_OSPATH];
flocation_t loc;
vfsfile_t *vfs;
//eventually, this function will be the *ONLY* way to get at files
//blanket-bans
if (Sys_PathProtection(filename) )
return NULL;
if (strcmp(mode, "rb"))
if (strcmp(mode, "wb"))
return NULL; //urm, unable to write/append
switch (relativeto)
{
case FS_GAMEONLY: //OS access only, no paks
if (*com_homedir)
{
snprintf(fullname, sizeof(fullname), "%s%s/%s", com_homedir, gamedirfile, filename);
vfs = VFSOS_Open(fullname, mode);
if (vfs)
return vfs;
}
snprintf(fullname, sizeof(fullname), "%s%s/%s", com_quakedir, gamedirfile, filename);
return VFSOS_Open(fullname, mode);
case FS_GAME:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%s%s/%s", com_homedir, gamedirfile, filename);
else
snprintf(fullname, sizeof(fullname), "%s%s/%s", com_quakedir, gamedirfile, filename);
break;
case FS_SKINS:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%sqw/skins/%s", com_homedir, filename);
else
snprintf(fullname, sizeof(fullname), "%sqw/skins/%s", com_quakedir, filename);
break;
case FS_BASE:
if (*com_homedir)
{
snprintf(fullname, sizeof(fullname), "%s%s", com_homedir, filename);
vfs = VFSOS_Open(fullname, mode);
if (vfs)
return vfs;
}
snprintf(fullname, sizeof(fullname), "%s%s", com_quakedir, filename);
return VFSOS_Open(fullname, mode);
case FS_CONFIGONLY:
if (*com_homedir)
{
snprintf(fullname, sizeof(fullname), "%sfte/%s", com_homedir, filename);
vfs = VFSOS_Open(fullname, mode);
if (vfs)
return vfs;
}
snprintf(fullname, sizeof(fullname), "%sfte/%s", com_quakedir, filename);
return VFSOS_Open(fullname, mode);
default:
Sys_Error("FS_OpenVFS: Bad relative path (%i)", relativeto);
break;
}
FS_FLocateFile(filename, FSLFRT_IFFOUND, &loc);
if (loc.search)
{
com_file_copyprotected = loc.search->copyprotected;
return VFS_Filter(filename, loc.search->funcs->OpenVFS(loc.search->handle, &loc, mode));
}
//if we're meant to be writing, best write to it.
if (strchr(mode , 'w'))
return VFSOS_Open(fullname, mode);
return NULL;
}
int FS_Rename2(char *oldf, char *newf, int oldrelativeto, int newrelativeto)
{
char oldfullname[MAX_OSPATH];
char newfullname[MAX_OSPATH];
switch (oldrelativeto)
{
case FS_GAME:
if (*com_homedir)
snprintf(oldfullname, sizeof(oldfullname), "%s%s/", com_homedir, gamedirfile);
else
snprintf(oldfullname, sizeof(oldfullname), "%s%s/", com_quakedir, gamedirfile);
break;
case FS_SKINS:
if (*com_homedir)
snprintf(oldfullname, sizeof(oldfullname), "%sqw/skins/", com_homedir);
else
snprintf(oldfullname, sizeof(oldfullname), "%sqw/skins/", com_quakedir);
break;
case FS_BASE:
if (*com_homedir)
snprintf(oldfullname, sizeof(oldfullname), "%s", com_homedir);
else
snprintf(oldfullname, sizeof(oldfullname), "%s", com_quakedir);
break;
default:
Sys_Error("FS_Rename case not handled\n");
}
switch (newrelativeto)
{
case FS_GAME:
if (*com_homedir)
snprintf(newfullname, sizeof(newfullname), "%s%s/", com_homedir, gamedirfile);
else
snprintf(newfullname, sizeof(newfullname), "%s%s/", com_quakedir, gamedirfile);
break;
case FS_SKINS:
if (*com_homedir)
snprintf(newfullname, sizeof(newfullname), "%sqw/skins/", com_homedir);
else
snprintf(newfullname, sizeof(newfullname), "%sqw/skins/", com_quakedir);
break;
case FS_BASE:
if (*com_homedir)
snprintf(newfullname, sizeof(newfullname), "%s", com_homedir);
else
snprintf(newfullname, sizeof(newfullname), "%s", com_quakedir);
break;
default:
Sys_Error("FS_Rename case not handled\n");
}
Q_strncatz(oldfullname, oldf, sizeof(oldfullname));
Q_strncatz(newfullname, newf, sizeof(newfullname));
FS_CreatePath(newf, newrelativeto);
return rename(oldfullname, newfullname);
}
int FS_Rename(char *oldf, char *newf, int relativeto)
{
char oldfullname[MAX_OSPATH];
char newfullname[MAX_OSPATH];
switch (relativeto)
{
case FS_GAME:
if (*com_homedir)
snprintf(oldfullname, sizeof(oldfullname), "%s%s/", com_homedir, gamedirfile);
else
snprintf(oldfullname, sizeof(oldfullname), "%s%s/", com_quakedir, gamedirfile);
break;
case FS_SKINS:
if (*com_homedir)
snprintf(oldfullname, sizeof(oldfullname), "%sqw/skins/", com_homedir);
else
snprintf(oldfullname, sizeof(oldfullname), "%sqw/skins/", com_quakedir);
break;
case FS_BASE:
if (*com_homedir)
snprintf(oldfullname, sizeof(oldfullname), "%s", com_homedir);
else
snprintf(oldfullname, sizeof(oldfullname), "%s", com_quakedir);
break;
default:
Sys_Error("FS_Rename case not handled\n");
}
Q_strncpy(newfullname, oldfullname, sizeof(newfullname));
Q_strncatz(oldfullname, oldf, sizeof(oldfullname));
Q_strncatz(newfullname, newf, sizeof(newfullname));
return rename(oldfullname, newfullname);
}
int FS_Remove(char *fname, int relativeto)
{
char fullname[MAX_OSPATH];
switch (relativeto)
{
case FS_GAME:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%s%s/%s", com_homedir, gamedirfile, fname);
else
snprintf(fullname, sizeof(fullname), "%s%s/%s", com_quakedir, gamedirfile, fname);
break;
case FS_SKINS:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%sqw/skins/%s", com_homedir, fname);
else
snprintf(fullname, sizeof(fullname), "%sqw/skins/%s", com_quakedir, fname);
break;
case FS_BASE:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%s%s", com_homedir, fname);
else
snprintf(fullname, sizeof(fullname), "%s%s", com_quakedir, fname);
break;
default:
Sys_Error("FS_Rename case not handled\n");
}
return unlink (fullname);
}
void FS_CreatePath(char *pname, int relativeto)
{
char fullname[MAX_OSPATH];
switch (relativeto)
{
case FS_GAMEONLY:
case FS_GAME:
snprintf(fullname, sizeof(fullname), "%s/%s", com_gamedir, pname);
break;
case FS_BASE:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%s%s", com_homedir, pname);
else
snprintf(fullname, sizeof(fullname), "%s%s", com_quakedir, pname);
break;
case FS_SKINS:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%sqw/skins/%s", com_homedir, pname);
else
snprintf(fullname, sizeof(fullname), "%sqw/skins/%s", com_quakedir, pname);
break;
case FS_CONFIGONLY:
if (*com_homedir)
snprintf(fullname, sizeof(fullname), "%sfte/%s", com_homedir, pname);
else
snprintf(fullname, sizeof(fullname), "%sfte/%s", com_quakedir, pname);
break;
default:
Sys_Error("FS_CreatePath: Bad relative path (%i)", relativeto);
break;
}
COM_CreatePath(fullname);
}
qboolean FS_WriteFile (char *filename, void *data, int len, int relativeto)
{
vfsfile_t *f;
FS_CreatePath(filename, relativeto);
f = FS_OpenVFS(filename, "wb", relativeto);
if (!f)
return false;
VFS_WRITE(f, data, len);
VFS_CLOSE(f);
return true;
}
static cache_user_t *loadcache;
static qbyte *loadbuf;
static int loadsize;
/*
============
COM_LoadFile
Filename are reletive to the quake directory.
Always appends a 0 qbyte to the loaded data.
============
*/
qbyte *COM_LoadFile (char *path, int usehunk)
{
vfsfile_t *f;
qbyte *buf;
int len;
char base[MAX_OSPATH];
flocation_t loc;
FS_FLocateFile(path, FSLFRT_LENGTH, &loc);
if (!loc.search)
return NULL; //wasn't found
f = loc.search->funcs->OpenVFS(loc.search->handle, &loc, "rb");
if (!f)
return NULL;
com_filesize = len = VFS_GETLEN(f);
// extract the filename base name for hunk tag
COM_FileBase (path, base, sizeof(base));
if (usehunk == 0)
buf = (qbyte*)Z_Malloc (len+1);
else if (usehunk == 1)
buf = (qbyte*)Hunk_AllocName (len+1, base);
else if (usehunk == 2)
buf = (qbyte*)Hunk_TempAlloc (len+1);
else if (usehunk == 3)
buf = (qbyte*)Cache_Alloc (loadcache, len+1, base);
else if (usehunk == 4)
{
if (len+1 > loadsize)
buf = (qbyte*)Hunk_TempAlloc (len+1);
else
buf = loadbuf;
}
else if (usehunk == 5)
buf = (qbyte*)BZ_Malloc(len+1);
else if (usehunk == 6)
buf = (qbyte*)Hunk_TempAllocMore (len+1);
else
{
Sys_Error ("COM_LoadFile: bad usehunk");
buf = NULL;
}
if (!buf)
Sys_Error ("COM_LoadFile: not enough space for %s", path);
((qbyte *)buf)[len] = 0;
#ifndef SERVERONLY
if (qrenderer)
if (Draw_BeginDisc)
Draw_BeginDisc ();
#endif
VFS_READ(f, buf, len);
VFS_CLOSE(f);
#ifndef SERVERONLY
if (qrenderer)
if (Draw_EndDisc)
Draw_EndDisc ();
#endif
return buf;
}
qbyte *COM_LoadMallocFile (char *path) //used for temp info along side temp hunk
{
return COM_LoadFile (path, 5);
}
qbyte *COM_LoadHunkFile (char *path)
{
return COM_LoadFile (path, 1);
}
qbyte *COM_LoadTempFile (char *path)
{
return COM_LoadFile (path, 2);
}
qbyte *COM_LoadTempFile2 (char *path)
{
return COM_LoadFile (path, 6);
}
void COM_LoadCacheFile (char *path, struct cache_user_s *cu)
{
loadcache = cu;
COM_LoadFile (path, 3);
}
// uses temp hunk if larger than bufsize
qbyte *COM_LoadStackFile (char *path, void *buffer, int bufsize)
{
qbyte *buf;
loadbuf = (qbyte *)buffer;
loadsize = bufsize;
buf = COM_LoadFile (path, 4);
return buf;
}
void COM_EnumerateFiles (char *match, int (*func)(char *, int, void *), void *parm)
{
searchpath_t *search;
for (search = com_searchpaths; search ; search = search->next)
{
// is the element a pak file?
if (!search->funcs->EnumerateFiles(search->handle, match, func, parm))
break;
}
}
void COM_FlushTempoaryPacks(void)
{
searchpath_t *next;
while (com_searchpaths && com_searchpaths->istemporary)
{
com_searchpaths->funcs->ClosePath(com_searchpaths->handle);
next = com_searchpaths->next;
Z_Free (com_searchpaths);
com_searchpaths = next;
com_fschanged = true;
}
}
qboolean COM_LoadMapPackFile (char *filename, int ofs)
{
return false;
/*
dpackheader_t header;
int i;
packfile_t *newfiles;
int numpackfiles;
pack_t *pack;
FILE *packhandle;
dpackfile_t info;
int fstart;
char *ballsup;
flocation_t loc;
FS_FLocateFile(filename, FSLFRT_LENGTH, &loc);
if (!loc.search)
{
Con_Printf("Couldn't refind file\n");
return false;
}
if (!*loc.rawname)
{
Con_Printf("File %s is compressed\n");
return false;
}
packhandle = fopen(loc.rawname, "rb");
if (!packhandle)
{
Con_Printf("Couldn't reopen file\n");
return false;
}
fseek(packhandle, loc.offset, SEEK_SET);
fstart = loc.offset;
fseek(packhandle, ofs+fstart, SEEK_SET);
fread (&header, 1, sizeof(header), packhandle);
if (header.id[0] != 'P' || header.id[1] != 'A'
|| header.id[2] != 'C' || header.id[3] != 'K')
{
return false;
}
header.dirofs = LittleLong (header.dirofs);
header.dirlen = LittleLong (header.dirlen);
numpackfiles = header.dirlen / sizeof(dpackfile_t);
newfiles = (packfile_t*)Z_Malloc (numpackfiles * sizeof(packfile_t));
fseek (packhandle, header.dirofs+fstart, SEEK_SET);
pack = (pack_t*)Z_Malloc (sizeof (pack_t));
// parse the directory
for (i=0 ; i<numpackfiles ; i++)
{
fread (&info, 1, sizeof(info), packhandle);
strcpy (newfiles[i].name, info.name);
Q_strlwr(newfiles[i].name);
while ((ballsup = strchr(newfiles[i].name, '\\')))
*ballsup = '/';
newfiles[i].filepos = LittleLong(info.filepos)+fstart;
newfiles[i].filelen = LittleLong(info.filelen);
}
strcpy (pack->filename, loc.rawname);
pack->handle = packhandle;
pack->numfiles = numpackfiles;
pack->files = newfiles;
Con_TPrintf (TL_ADDEDPACKFILE, filename, numpackfiles);
COM_AddPathHandle(&packfilefuncs, pack, true, true);
return true;
*/
}
typedef struct {
searchpathfuncs_t *funcs;
searchpath_t *parentpath;
char *parentdesc;
} wildpaks_t;
static int COM_AddWildDataFiles (char *descriptor, int size, void *vparam)
{
wildpaks_t *param = vparam;
vfsfile_t *vfs;
searchpathfuncs_t *funcs = param->funcs;
searchpath_t *search;
pack_t *pak;
char pakfile[MAX_OSPATH];
flocation_t loc;
sprintf (pakfile, "%s%s", param->parentdesc, descriptor);
for (search = com_searchpaths; search; search = search->next)
{
if (search->funcs != funcs)
continue;
if (!stricmp((char*)search->handle, pakfile)) //assumption: first member of structure is a char array
return true; //already loaded (base paths?)
}
search = param->parentpath;
if (!search->funcs->FindFile(search->handle, &loc, descriptor, NULL))
return true; //not found..
vfs = search->funcs->OpenVFS(search->handle, &loc, "rb");
pak = funcs->OpenNew (vfs, pakfile);
if (!pak)
return true;
sprintf (pakfile, "%s%s/", param->parentdesc, descriptor);
COM_AddPathHandle(pakfile, funcs, pak, true, false, (unsigned int)-1);
return true;
}
static void COM_AddDataFiles(char *pathto, searchpath_t *search, char *extension, searchpathfuncs_t *funcs)
{
//search is the parent
int i;
void *handle;
char pakfile[MAX_OSPATH];
vfsfile_t *vfs;
flocation_t loc;
wildpaks_t wp;
for (i=0 ; ; i++)
{
snprintf (pakfile, sizeof(pakfile), "pak%i.%s", i, extension);
if (!search->funcs->FindFile(search->handle, &loc, pakfile, NULL))
break; //not found..
snprintf (pakfile, sizeof(pakfile), "%spak%i.%s", pathto, i, extension);
vfs = search->funcs->OpenVFS(search->handle, &loc, "r");
if (!vfs)
break;
Con_Printf("Opened %s\n", pakfile);
handle = funcs->OpenNew (vfs, pakfile);
if (!handle)
break;
snprintf (pakfile, sizeof(pakfile), "%spak%i.%s/", pathto, i, extension);
COM_AddPathHandle(pakfile, funcs, handle, true, false, (unsigned int)-1);
}
sprintf (pakfile, "*.%s", extension);
wp.funcs = funcs;
wp.parentdesc = pathto;
wp.parentpath = search;
search->funcs->EnumerateFiles(search->handle, pakfile, COM_AddWildDataFiles, &wp);
}
void COM_RefreshFSCache_f(void)
{
com_fschanged=true;
}
void COM_FlushFSCache(void)
{
if (com_fs_cache.value != 2)
com_fschanged=true;
}
/*
================
COM_AddGameDirectory
Sets com_gamedir, adds the directory to the head of the path,
then loads and adds pak1.pak pak2.pak ...
================
*/
void COM_AddGameDirectory (char *dir, unsigned int loadstuff)
{
searchpath_t *search;
char *p;
if ((p = strrchr(dir, '/')) != NULL)
strcpy(gamedirfile, ++p);
else
strcpy(gamedirfile, dir);
strcpy (com_gamedir, dir);
for (search = com_searchpaths; search; search = search->next)
{
if (search->funcs != &osfilefuncs)
continue;
if (!stricmp(search->handle, com_gamedir))
return; //already loaded (base paths?)
}
//
// add the directory to the search path
//
p = Z_Malloc(strlen(dir)+1);
strcpy(p, dir);
COM_AddPathHandle(va("%s/", dir), &osfilefuncs, p, false, false, loadstuff);
}
char *COM_NextPath (char *prevpath)
{
searchpath_t *s;
char *prev;
if (!prevpath)
return com_gamedir;
prev = com_gamedir;
for (s=com_searchpaths ; s ; s=s->next)
{
if (s->funcs != &osfilefuncs)
continue;
if (prevpath == prev)
return s->handle;
prev = s->handle;
}
return NULL;
}
#ifndef CLIENTONLY
char *COM_GetPathInfo (int i, int *crc)
{
#ifdef WEBSERVER
extern cvar_t httpserver;
#endif
searchpath_t *s;
static char name[MAX_OSPATH];
char *protocol;
for (s=com_searchpaths ; s ; s=s->next)
{
i--;
if (!i)
break;
}
if (i) //too high.
return NULL;
#ifdef WEBSERVER
if (httpserver.value)
protocol = va("http://%s/", NET_AdrToString (net_local_sv_ipadr));
else
#endif
protocol = "qw://";
*crc = 0;//s->crc;
strcpy(name, "FIXME");
// Q_strncpyz(name, va("%s%s", protocol, COM_SkipPath(s->filename)), sizeof(name));
return name;
}
#endif
/*
================
COM_Gamedir
Sets the gamedir and path to a different directory.
================
*/
void COM_Gamedir (char *dir)
{
searchpath_t *next;
if (!*dir || strstr(dir, "..") || strstr(dir, "/")
|| strstr(dir, "\\") || strstr(dir, ":") )
{
Con_TPrintf (TL_GAMEDIRAINTPATH);
return;
}
if (!strcmp(gamedirfile, dir))
return; // still the same
FS_ForceToPure(NULL, NULL, 0);
#ifndef SERVERONLY
Host_WriteConfiguration(); //before we change anything.
#endif
strcpy (gamedirfile, dir);
#ifndef CLIENTONLY
sv.gamedirchanged = true;
#endif
#ifndef SERVERONLY
cl.gamedirchanged = true;
#endif
FS_FlushFSHash();
//
// free up any current game dir info
//
while (com_searchpaths != com_base_searchpaths)
{
com_searchpaths->funcs->ClosePath(com_searchpaths->handle);
next = com_searchpaths->next;
Z_Free (com_searchpaths);
com_searchpaths = next;
}
com_fschanged = true;
//
// flush all data, so it will be forced to reload
//
Cache_Flush ();
COM_AddGameDirectory(va("%s%s", com_quakedir, dir), (unsigned int)-1);
if (*com_homedir)
COM_AddGameDirectory(va("%s%s", com_homedir, dir), (unsigned int)-1);
#ifndef SERVERONLY
{
char fn[MAX_OSPATH];
FILE *f;
// if (qrenderer) //only do this if we have already started the renderer
// Cbuf_InsertText("vid_restart\n", RESTRICT_LOCAL);
sprintf(fn, "%s/%s", com_gamedir, "config.cfg");
if ((f = fopen(fn, "r")) != NULL)
{
fclose(f);
Cbuf_InsertText("cl_warncmd 0\n"
"exec config.cfg\n"
"exec fte.cfg\n"
"exec frontend.cfg\n"
"cl_warncmd 1\n", RESTRICT_LOCAL, false);
}
}
#ifdef Q3SHADERS
{
extern void Shader_Init(void);
Shader_Init(); //FIXME!
}
#endif
Validation_FlushFileList(); //prevent previous hacks from making a difference.
//FIXME: load new palette, if different cause a vid_restart.
#endif
}
typedef struct {
char *file;
char *path;
} potentialgamepath_t;
potentialgamepath_t pgp[] = {
{"%s/id1/pak0.pak", "%s/id1"}, //quake1
{"%s/baseq2/pak0.pak", "%s/baseq2"}, //quake2
{"%s/data1/pak0.pak", "%s/data1"}, //hexen2
{"%s/data/data.pk3", "%s/data"}, //nexuiz
{"%s/baseq3/pak0.pk3", "%s/baseq3"}, //quake3
{"%s/base/assets0.pk3", "%s/base"} //jk2
};
typedef struct {
char *gamename; //sent to the master server when this is the current gamemode.
char *exename; //used if the exe name contains this
char *argname; //used if this was used as a parameter.
char *auniquefile; //used if this file is relative from the gamedir
char *dir1;
char *dir2;
char *dir3;
char *dir4;
} gamemode_info_t;
gamemode_info_t gamemode_info[] = {
//note that there is no basic 'fte' gamemode, this is because we aim for network compatability. Darkplaces-Quake is the closest we get.
//this is to avoid having too many gamemodes anyway.
{"Darkplaces-Quake", "darkplaces", "-quake", "id1/pak0.pak", "id1", "qw", "fte"},
{"Darkplaces-Hipnotic", "hipnotic", "-hipnotic", NULL/*"hipnotic/pak0.pak"*/,"id1", "qw", "hipnotic", "fte"},
{"Darkplaces-Rogue", "rogue", "-rogue", NULL/*"rogue/pak0.pak", "id1"*/, "qw", "rogue", "fte"},
{"Nexuiz", "nexuiz", "-nexuiz", "data/cvars.txt", "id1", "qw", "data", "fte"},
//supported commercial mods (some are currently only partially supported)
{"FTE-Hexen2", "hexen", "-hexen2", "data1/pak0.pak", "data1", "fte"},
{"FTE-Quake2", "q2", "-q2", "baseq2/pak0.pak", "baseq2", "fte"},
{"FTE-Quake3", "q3", "-q3", "baseq3/pak0.pk3", "baseq3", "fte"},
{"FTE-JK2", "jk2", "-jk2", "base/assets0.pk3", "base", "fte"},
{NULL}
};
//space-seperate pk3 names followed by space-seperated crcs
//note that we'll need to reorder and filter out files that don't match the crc.
void FS_ForceToPure(char *str, char *crcs, int seed)
{
//pure files are more important than non-pure.
searchpath_t *sp;
searchpath_t *lastpure = NULL;
int crc;
if (!str)
{ //pure isn't in use.
com_purepaths = NULL;
FS_FlushFSHash();
return;
}
for (sp = com_searchpaths; sp; sp = sp->next)
{
if (sp->funcs->GeneratePureCRC)
{
sp->nextpure = (void*)0x1;
sp->crc_check = sp->funcs->GeneratePureCRC(sp->handle, seed, 0);
sp->crc_reply = sp->funcs->GeneratePureCRC(sp->handle, seed, 1);
}
else
{
sp->crc_check = 0;
sp->crc_reply = 0;
}
}
while(crcs)
{
crcs = COM_Parse(crcs);
crc = atoi(com_token);
if (!crc)
continue;
for (sp = com_searchpaths; sp; sp = sp->next)
{
if (sp->nextpure == (void*)0x1) //don't add twice.
if (sp->crc_check == crc)
{
if (lastpure)
lastpure->nextpure = sp;
else
com_purepaths = sp;
sp->nextpure = NULL;
lastpure = sp;
break;
}
}
if (!sp)
Con_Printf("Pure crc %i wasn't found\n", crc);
}
/* don't add any extras.
for (sp = com_searchpaths; sp; sp = sp->next)
{
if (sp->nextpure == (void*)0x1)
{
if (lastpure)
lastpure->nextpure = sp;
sp->nextpure = NULL;
lastpure = sp;
}
}
*/
FS_FlushFSHash();
}
char *FS_GenerateClientPacksList(char *buffer, int maxlen, int basechecksum)
{
flocation_t loc;
int numpaks = 0;
searchpath_t *sp;
FS_FLocateFile("vm/cgame.qvm", FSLFRT_LENGTH, &loc);
Q_strncatz(buffer, va("%i ", loc.search->crc_reply), maxlen);
basechecksum ^= loc.search->crc_reply;
FS_FLocateFile("vm/ui.qvm", FSLFRT_LENGTH, &loc);
Q_strncatz(buffer, va("%i ", loc.search->crc_reply), maxlen);
basechecksum ^= loc.search->crc_reply;
Q_strncatz(buffer, "@ ", maxlen);
for (sp = com_purepaths; sp; sp = sp->nextpure)
{
if (sp->crc_reply)
{
Q_strncatz(buffer, va("%i ", sp->crc_reply), maxlen);
basechecksum ^= sp->crc_reply;
numpaks++;
}
}
basechecksum ^= numpaks;
Q_strncatz(buffer, va("%i ", basechecksum), maxlen);
return buffer;
}
/*
================
FS_ReloadPackFiles
================
Called when the client has downloaded a new pak/pk3 file
*/
void FS_ReloadPackFilesFlags(unsigned int reloadflags)
{
searchpath_t *oldpaths;
searchpath_t *oldbase;
searchpath_t *next;
//a lame way to fix pure paks
#ifndef SERVERONLY
if (cls.state)
{
CL_Disconnect_f();
CL_Reconnect_f();
}
#endif
FS_FlushFSHash();
oldpaths = com_searchpaths;
com_searchpaths = NULL;
com_purepaths = NULL;
oldbase = com_base_searchpaths;
com_base_searchpaths = NULL;
//invert the order
next = NULL;
while(oldpaths)
{
oldpaths->nextpure = next;
next = oldpaths;
oldpaths = oldpaths->next;
}
oldpaths = next;
com_base_searchpaths = NULL;
while(oldpaths)
{
next = oldpaths->nextpure;
if (oldbase == oldpaths)
com_base_searchpaths = com_searchpaths;
if (oldpaths->funcs == &osfilefuncs)
COM_AddGameDirectory(oldpaths->handle, reloadflags);
oldpaths->funcs->ClosePath(oldpaths->handle);
Z_Free(oldpaths);
oldpaths = next;
}
if (!com_base_searchpaths)
com_base_searchpaths = com_searchpaths;
}
void FS_UnloadPackFiles(void)
{
FS_ReloadPackFilesFlags(1);
}
void FS_ReloadPackFiles(void)
{
FS_ReloadPackFilesFlags((unsigned int)-1);
}
void FS_ReloadPackFiles_f(void)
{
if (atoi(Cmd_Argv(1)))
FS_ReloadPackFilesFlags(atoi(Cmd_Argv(1)));
else
FS_ReloadPackFilesFlags((unsigned int)-1);
}
/*
================
COM_InitFilesystem
================
*/
void COM_InitFilesystem (void)
{
FILE *f;
int i;
char *ev;
int gamenum=-1;
Cmd_AddCommand("fs_restart", FS_ReloadPackFiles_f);
//
// -basedir <path>
// Overrides the system supplied base directory (under id1)
//
i = COM_CheckParm ("-basedir");
if (i && i < com_argc-1)
strcpy (com_quakedir, com_argv[i+1]);
else
strcpy (com_quakedir, host_parms.basedir);
if (*com_quakedir)
{
if (com_quakedir[strlen(com_quakedir)-1] == '\\')
com_quakedir[strlen(com_quakedir)-1] = '/';
else if (com_quakedir[strlen(com_quakedir)-1] != '/')
{
com_quakedir[strlen(com_quakedir)+1] = '\0';
com_quakedir[strlen(com_quakedir)] = '/';
}
}
Cvar_Register(&com_gamename, "evil hacks");
//identify the game from a telling file
for (i = 0; gamemode_info[i].gamename; i++)
{
if (!gamemode_info[i].auniquefile)
continue; //no more
f = fopen(va("%s%s", com_quakedir, gamemode_info[i].auniquefile), "rb");
if (f)
{
fclose(f);
gamenum = i;
break;
}
}
//use the game based on an exe name over the filesystem one.
for (i = 0; gamemode_info[i].gamename; i++)
{
if (strstr(com_argv[0], gamemode_info[i].exename))
gamenum = i;
}
//use the game based on an parameter over all else.
for (i = 0; gamemode_info[i].gamename; i++)
{
if (COM_CheckParm(gamemode_info[i].argname))
gamenum = i;
}
if (gamenum<0)
{
for (i = 0; gamemode_info[i].gamename; i++)
{
if (!strcmp(gamemode_info[i].argname, "-quake"))
gamenum = i;
}
}
Cvar_Set(&com_gamename, gamemode_info[gamenum].gamename);
#ifdef _WIN32
{ //win32 sucks.
ev = getenv("HOMEDRIVE");
if (ev)
strcpy(com_homedir, ev);
else
strcpy(com_homedir, "");
ev = getenv("HOMEPATH");
if (ev)
strcat(com_homedir, ev);
else
strcat(com_homedir, "/");
}
#else
//yay for unix!.
ev = getenv("HOME");
if (ev)
Q_strncpyz(com_homedir, ev, sizeof(com_homedir));
else
*com_homedir = '\0';
#endif
if (!COM_CheckParm("-usehome"))
*com_homedir = '\0';
if (COM_CheckParm("-nohome"))
*com_homedir = '\0';
if (*com_homedir)
{
strcat(com_homedir, "/.fte/");
Con_Printf("Using home directory \"%s\"\n", com_homedir);
}
//
// start up with id1 by default
//
i = COM_CheckParm ("-basegame");
if (i && i < com_argc-1)
{
do //use multiple -basegames
{
COM_AddGameDirectory (va("%s%s", com_quakedir, com_argv[i+1]), (unsigned int)-1);
i = COM_CheckNextParm ("-basegame", i);
}
while (i && i < com_argc-1);
}
else
{
if (gamemode_info[gamenum].dir1)
COM_AddGameDirectory (va("%s%s", com_quakedir, gamemode_info[gamenum].dir1), (unsigned int)-1);
if (gamemode_info[gamenum].dir2)
COM_AddGameDirectory (va("%s%s", com_quakedir, gamemode_info[gamenum].dir2), (unsigned int)-1);
if (gamemode_info[gamenum].dir3)
COM_AddGameDirectory (va("%s%s", com_quakedir, gamemode_info[gamenum].dir3), (unsigned int)-1);
if (gamemode_info[gamenum].dir4)
COM_AddGameDirectory (va("%s%s", com_quakedir, gamemode_info[gamenum].dir4), (unsigned int)-1);
}
if (*com_homedir)
COM_AddGameDirectory (va("%sfte", com_homedir), (unsigned int)-1);
// any set gamedirs will be freed up to here
com_base_searchpaths = com_searchpaths;
i = COM_CheckParm ("-game"); //effectivly replace with +gamedir x (But overridable)
if (i && i < com_argc-1)
{
COM_AddGameDirectory (va("%s%s", com_quakedir, com_argv[i+1]), (unsigned int)-1);
#ifndef CLIENTONLY
Info_SetValueForStarKey (svs.info, "*gamedir", com_argv[i+1], MAX_SERVERINFO_STRING);
#endif
}
}
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