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fteqw/engine/common/fs.c

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#include "quakedef.h"
#include "netinc.h"
//#define com_gamedir com__gamedir
#include <ctype.h>
#include <limits.h>
#include <errno.h>
#include "fs.h"
#include "shader.h"
#if defined(MINGW) && defined(_SDL)
#include "./mingw-libs/SDL_syswm.h" // mingw sdl cross binary complains off sys_parentwindow
#endif
hashtable_t filesystemhash;
qboolean com_fschanged = true;
static unsigned int fs_restarts;
extern cvar_t com_fs_cache;
int active_fs_cachetype;
struct
{
const char *extension;
searchpathfuncs_t *funcs;
} searchpathformats[64];
int FS_RegisterFileSystemType(const char *extension, searchpathfuncs_t *funcs)
{
unsigned int i;
for (i = 0; i < sizeof(searchpathformats)/sizeof(searchpathformats[0]); i++)
{
if (searchpathformats[i].extension && !strcmp(searchpathformats[i].extension, extension))
break; //extension match always replaces
if (!searchpathformats[i].extension && !searchpathformats[i].funcs)
break;
}
if (i == sizeof(searchpathformats)/sizeof(searchpathformats[0]))
return 0;
searchpathformats[i].extension = extension;
searchpathformats[i].funcs = funcs;
com_fschanged = true;
return i+1;
}
void FS_UnRegisterFileSystemType(int idx)
{
if ((unsigned int)(idx-1) >= sizeof(searchpathformats)/sizeof(searchpathformats[0]))
return;
searchpathformats[idx-1].funcs = NULL;
com_fschanged = true;
//FS_Restart will be needed
}
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) != 1)
{
if (len == buflen-1)
return NULL;
*out = '\0';
return buffer;
}
if (in == '\n')
break;
*out++ = in;
len--;
}
*out = '\0';
return buffer;
}
void VARGS VFS_PRINTF(vfsfile_t *vf, char *format, ...)
{
va_list argptr;
char string[1024];
va_start (argptr, format);
vsnprintf (string,sizeof(string)-1, format,argptr);
va_end (argptr);
VFS_PUTS(vf, string);
}
char gamedirfile[MAX_OSPATH];
//the various COM_LoadFiles set these on return
int com_filesize;
qboolean com_file_copyprotected;
//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;
static const char *FS_GetCleanPath(const char *pattern, char *outbuf, int outlen);
void FS_RegisterDefaultFileSystems(void);
static void COM_CreatePath (char *path);
#define ENFORCEFOPENMODE(mode) {if (strcmp(mode, "r") && strcmp(mode, "w")/* && strcmp(mode, "rw")*/)Sys_Error("fs mode %s is not permitted here\n");}
//======================================================================================================
typedef struct searchpath_s
{
const searchpathfuncs_t *funcs;
qboolean copyprotected; //don't allow downloads from here.
qboolean istemporary;
qboolean isexplicit; //explicitly loaded (ie: id1|qw|$gamedir|fte)
void *handle;
char purepath[256]; //server tracks the path used to load them so it can tell the client
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
/*
================
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;
}
/*
static 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(const 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)
{
Con_Printf ("Pure paths:\n");
for (s=com_purepaths ; s ; s=s->nextpure)
{
s->funcs->PrintPath(s->handle);
}
Con_Printf ("----------\n");
Con_Printf ("Impure paths:\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(const 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 %i bytes compressed inside ", loc.len);
loc.search->funcs->PrintPath(loc.search->handle);
}
else
{
Con_Printf("Inside %s (%i bytes)\n", loc.rawname, loc.len);
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 (const char *filename, const 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];
if (!FS_NativePath(filename, FS_GAMEONLY, name, sizeof(name)))
return NULL;
COM_CreatePath(name);
f = fopen (name, "wb");
return f;
}
/*
============
COM_CreatePath
Only used for CopyFile and download
============
*/
static 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.
===========
*/
/*
static 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->key.string == (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**)Z_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_DPrintf("%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(const char *filename, FSLF_ReturnType_e returntype, flocation_t *loc)
{
int depth=0, len;
searchpath_t *search;
char cleanpath[MAX_QPATH];
void *pf;
filename = FS_GetCleanPath(filename, cleanpath, sizeof(cleanpath));
if (!filename)
{
pf = NULL;
goto fail;
}
if (com_fs_cache.ival)
{
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;
com_file_copyprotected = search->copyprotected;
goto out;
}
depth += (search->isexplicit || 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;
com_file_copyprotected = search->copyprotected;
goto out;
}
depth += (search->isexplicit || 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_WhichPackForLocation(flocation_t *loc)
{
char *ret;
if (!loc->search)
return NULL; //huh? not a valid location.
ret = strchr(loc->search->purepath, '/');
if (!ret)
return NULL;
ret++;
if (strchr(ret, '/'))
return NULL;
return ret;
}
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)
{
char temp[MAX_OSPATH];
searchpath_t *search;
buffersize--;
*buffer = 0;
if (com_purepaths)
{
for (search = com_purepaths ; search ; search = search->nextpure)
{
COM_StripExtension(search->purepath, temp, sizeof(temp));
Q_strncatz(buffer, va("%s ", temp), 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)
{
COM_StripExtension(search->purepath, temp, sizeof(temp));
Q_strncatz(buffer, va("%s ", temp), buffersize);
}
}
return buffer;
}
}
#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(CON_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
//outbuf might not be written into
static const char *FS_GetCleanPath(const char *pattern, char *outbuf, int outlen)
{
char *s;
if (strchr(pattern, '\\'))
{
Q_strncpyz(outbuf, pattern, outlen);
pattern = outbuf;
Con_Printf("Warning: \\ characters in filename %s\n", pattern);
while((s = strchr(pattern, '\\')))
{
*s = '/';
}
}
if (strstr(pattern, "//"))
{
//amiga uses // as equivelent to /../
//so strip those out
//any other system ignores the extras
Q_strncpyz(outbuf, pattern, outlen);
pattern = outbuf;
Con_DPrintf("Warning: // characters in filename %s\n", pattern);
while ((s=strstr(pattern, "//")))
{
s++;
while (*s)
{
*s = *(s+1);
s++;
}
}
}
if (*pattern == '/')
{
/*'fix up' and ignore, compat with q3*/
Con_DPrintf("Error: absolute path in filename %s\n", pattern);
pattern++;
}
if (strstr(pattern, ".."))
Con_Printf("Error: '..' characters 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) (or amiga device separator)
Con_Printf("Error: absolute path in filename %s\n", pattern);
else
{
return pattern;
}
return NULL;
}
vfsfile_t *VFS_Filter(const 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"))
{
return FS_DecompressGZip(handle);
}
#endif
return handle;
}
qboolean FS_NativePath(const char *fname, enum fs_relative relativeto, char *out, int outlen)
{
char cleanname[MAX_QPATH];
fname = FS_GetCleanPath(fname, cleanname, sizeof(cleanname));
if (!fname)
return false;
switch (relativeto)
{
case FS_GAMEONLY:
case FS_GAME:
if (*com_homedir)
snprintf(out, outlen, "%s%s/%s", com_homedir, gamedirfile, fname);
else
snprintf(out, outlen, "%s%s/%s", com_quakedir, gamedirfile, fname);
break;
case FS_SKINS:
if (*com_homedir)
snprintf(out, outlen, "%sqw/skins/%s", com_homedir, fname);
else
snprintf(out, outlen, "%sqw/skins/%s", com_quakedir, fname);
break;
case FS_ROOT:
if (*com_homedir)
snprintf(out, outlen, "%s%s", com_homedir, fname);
else
snprintf(out, outlen, "%s%s", com_quakedir, fname);
break;
case FS_CONFIGONLY:
if (*com_homedir)
snprintf(out, outlen, "%sfte/%s", com_homedir, fname);
else
snprintf(out, outlen, "%sfte/%s", com_quakedir, fname);
break;
default:
Sys_Error("FS_Rename case not handled\n");
}
return true;
}
vfsfile_t *FS_OpenVFS(const char *filename, const char *mode, enum fs_relative relativeto)
{
char cleanname[MAX_QPATH];
char fullname[MAX_OSPATH];
flocation_t loc;
vfsfile_t *vfs;
//eventually, this function will be the *ONLY* way to get at files
//blanket-bans
filename = FS_GetCleanPath(filename, cleanname, sizeof(cleanname));
if (!filename)
return NULL;
if (strcmp(mode, "rb"))
if (strcmp(mode, "r+b"))
if (strcmp(mode, "wb"))
if (strcmp(mode, "w+b"))
if (strcmp(mode, "ab"))
return NULL; //urm, unable to write/append
//if there can only be one file (eg: write access) find out where it is.
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_ROOT:
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') || strchr(mode , 'a'))
{
COM_CreatePath(fullname);
return VFSOS_Open(fullname, mode);
}
return NULL;
}
vfsfile_t *FS_OpenReadLocation(flocation_t *location)
{
if (location->search)
{
com_file_copyprotected = location->search->copyprotected;
return VFS_Filter(NULL, location->search->funcs->OpenVFS(location->search->handle, location, "rb"));
}
return NULL;
}
int FS_Rename2(const char *oldf, const char *newf, enum fs_relative oldrelativeto, enum fs_relative newrelativeto)
{
char oldfullname[MAX_OSPATH];
char newfullname[MAX_OSPATH];
if (!FS_NativePath(oldf, oldrelativeto, oldfullname, sizeof(oldfullname)))
return EPERM;
if (!FS_NativePath(newf, newrelativeto, newfullname, sizeof(newfullname)))
return EPERM;
FS_CreatePath(newf, newrelativeto);
return rename(oldfullname, newfullname);
}
int FS_Rename(const char *oldf, const char *newf, enum fs_relative relativeto)
{
return FS_Rename2(oldf, newf, relativeto, relativeto);
}
int FS_Remove(const char *fname, enum fs_relative relativeto)
{
char fullname[MAX_OSPATH];
if (!FS_NativePath(fname, relativeto, fullname, sizeof(fullname)))
return EPERM;
return Sys_remove (fullname);
}
//create a path for the given filename (dir-only must have trailing slash)
void FS_CreatePath(const char *pname, enum fs_relative relativeto)
{
char fullname[MAX_OSPATH];
if (!FS_NativePath(pname, relativeto, fullname, sizeof(fullname)))
return;
COM_CreatePath(fullname);
}
qboolean FS_WriteFile (const char *filename, const void *data, int len, enum fs_relative 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;
}
qboolean FS_Copy(const char *source, const char *dest, enum fs_relative relativesource, enum fs_relative relativedest)
{
vfsfile_t *d, *s;
char buffer[8192*8];
int read;
qboolean result = false;
FS_CreatePath(dest, relativedest);
s = FS_OpenVFS(source, "rb", relativesource);
if (s)
{
d = FS_OpenVFS(dest, "wb", relativedest);
if (d)
{
result = true;
for (;;)
{
read = VFS_READ(s, buffer, sizeof(buffer));
if (read <= 0)
break;
if (VFS_WRITE(d, buffer, read) != read)
{
result = false;
break;
}
}
VFS_CLOSE(d);
if (!result)
FS_Remove(dest, relativedest);
}
VFS_CLOSE(s);
}
return result;
}
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 (const 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;
VFS_READ(f, buf, len);
VFS_CLOSE(f);
return buf;
}
qbyte *FS_LoadMallocFile (const char *path)
{
return COM_LoadFile (path, 5);
}
qbyte *COM_LoadHunkFile (const char *path)
{
return COM_LoadFile (path, 1);
}
qbyte *COM_LoadTempFile (const char *path)
{
return COM_LoadFile (path, 2);
}
qbyte *COM_LoadTempFile2 (const char *path)
{
return COM_LoadFile (path, 6);
}
void COM_LoadCacheFile (const char *path, struct cache_user_s *cu)
{
loadcache = cu;
COM_LoadFile (path, 3);
}
// uses temp hunk if larger than bufsize
qbyte *COM_LoadStackFile (const char *path, void *buffer, int bufsize)
{
qbyte *buf;
loadbuf = (qbyte *)buffer;
loadsize = bufsize;
buf = COM_LoadFile (path, 4);
return buf;
}
/*warning: at some point I'll change this function to return only read-only buffers*/
int FS_LoadFile(char *name, void **file)
{
*file = FS_LoadMallocFile(name);
if (!*file)
return -1;
return com_filesize;
}
void FS_FreeFile(void *file)
{
BZ_Free(file);
}
void COM_EnumerateFiles (const char *match, int (*func)(const 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 (const 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;
*/
}
static searchpath_t *FS_AddPathHandle(const char *purepath, const char *probablepath, const searchpathfuncs_t *funcs, void *handle, qboolean copyprotect, qboolean istemporary, qboolean isexplicit, unsigned int loadstuff);
typedef struct {
const searchpathfuncs_t *funcs;
searchpath_t *parentpath;
const char *parentdesc;
const char *puredesc;
} wildpaks_t;
static int FS_AddWildDataFiles (const char *descriptor, int size, void *vparam)
{
wildpaks_t *param = vparam;
vfsfile_t *vfs;
const searchpathfuncs_t *funcs = param->funcs;
searchpath_t *search;
void *pak;
char pakfile[MAX_OSPATH];
char purefile[MAX_OSPATH];
flocation_t loc;
Q_snprintfz (pakfile, sizeof(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;
Q_snprintfz (pakfile, sizeof(pakfile), "%s%s/", param->parentdesc, descriptor);
if (*param->puredesc)
snprintf (purefile, sizeof(purefile), "%s/%s", param->puredesc, descriptor);
else
Q_strncpyz(purefile, descriptor, sizeof(purefile));
FS_AddPathHandle(purefile, pakfile, funcs, pak, true, false, false, (unsigned int)-1);
return true;
}
static void FS_AddDataFiles(const char *purepath, const char *pathto, searchpath_t *search, const char *extension, searchpathfuncs_t *funcs)
{
//search is the parent
int i;
void *handle;
char pakfile[MAX_OSPATH];
char purefile[MAX_OSPATH];
vfsfile_t *vfs;
flocation_t loc;
wildpaks_t wp;
//first load all the numbered pak files
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;
handle = funcs->OpenNew (vfs, pakfile);
if (!handle)
break;
snprintf (pakfile, sizeof(pakfile), "%spak%i.%s/", pathto, i, extension);
snprintf (purefile, sizeof(pakfile), "%s/pak%i.%s", purepath, i, extension);
FS_AddPathHandle(purefile, pakfile, funcs, handle, true, false, false, (unsigned int)-1);
}
//now load the random ones
Q_snprintfz (pakfile, sizeof(pakfile), "*.%s", extension);
wp.funcs = funcs;
wp.parentdesc = pathto;
wp.parentpath = search;
wp.puredesc = purepath;
search->funcs->EnumerateFiles(search->handle, pakfile, FS_AddWildDataFiles, &wp);
}
static searchpath_t *FS_AddPathHandle(const char *purepath, const char *probablepath, const searchpathfuncs_t *funcs, void *handle, qboolean copyprotect, qboolean istemporary, qboolean isexplicit, unsigned int loadstuff)
{
unsigned int i;
searchpath_t *search;
if (!funcs)
{
Con_Printf("COM_AddPathHandle: %s format not supported in this build\n", probablepath);
return NULL;
}
search = (searchpath_t*)Z_Malloc (sizeof(searchpath_t));
search->copyprotected = copyprotect;
search->istemporary = istemporary;
search->isexplicit = isexplicit;
search->handle = handle;
search->funcs = funcs;
Q_strncpyz(search->purepath, purepath, sizeof(search->purepath));
search->next = com_searchpaths;
com_searchpaths = search;
com_fschanged = true;
for (i = 0; i < sizeof(searchpathformats)/sizeof(searchpathformats[0]); i++)
{
if (!searchpathformats[i].extension || !searchpathformats[i].funcs || !searchpathformats[i].funcs->OpenNew)
continue;
if (loadstuff & (1<<i))
{
FS_AddDataFiles(purepath, probablepath, search, searchpathformats[i].extension, searchpathformats[i].funcs);
}
}
return search;
}
void COM_RefreshFSCache_f(void)
{
com_fschanged=true;
}
void COM_FlushFSCache(void)
{
if (com_fs_cache.ival != 2)
com_fschanged=true;
}
/*since should start as 0, otherwise this can be used to poll*/
qboolean FS_Restarted(unsigned int *since)
{
if (*since < fs_restarts)
{
*since = fs_restarts;
return true;
}
return false;
}
/*
================
FS_AddGameDirectory
Sets com_gamedir, adds the directory to the head of the path,
then loads and adds pak1.pak pak2.pak ...
================
*/
void FS_AddGameDirectory (const char *puredir, const char *dir, unsigned int loadstuff)
{
searchpath_t *search;
char *p;
fs_restarts++;
if ((p = strrchr(dir, '/')) != NULL)
strcpy(gamedirfile, ++p);
else
strcpy(gamedirfile, dir);
for (search = com_searchpaths; search; search = search->next)
{
if (search->funcs != &osfilefuncs)
continue;
if (!stricmp(search->handle, dir))
return; //already loaded (base paths?)
}
//
// add the directory to the search path
//
p = Z_Malloc(strlen(dir)+1);
strcpy(p, dir);
FS_AddPathHandle((*dir?puredir:""), va("%s/", dir), &osfilefuncs, p, false, false, true, loadstuff);
}
char *COM_NextPath (char *prevpath)
{
searchpath_t *s;
char *prev;
prev = NULL;
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 adr[MAX_ADR_SIZE];
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(adr, sizeof(adr), 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
char *FS_GetGamedir(void)
{
return gamedirfile;
}
/*
================
COM_Gamedir
Sets the gamedir and path to a different directory.
================
*/
void COM_Gamedir (const char *dir)
{
searchpath_t *next;
int plen, dlen;
char *p;
qboolean isbase;
if (!*dir || !strcmp(dir, ".") || strstr(dir, "..") || strstr(dir, "/")
|| strstr(dir, "\\") || strstr(dir, ":") )
{
Con_TPrintf (TL_GAMEDIRAINTPATH);
return;
}
isbase = false;
dlen = strlen(dir);
for (next = com_searchpaths; next; next = next->next)
{
if (next == com_base_searchpaths)
isbase = true;
if (next->funcs == &osfilefuncs)
{
p = next->handle;
plen = strlen(p);
if (plen == dlen)
{
//no basedir, maybe
if (!strcmp(p, dir))
{
if (isbase && com_searchpaths == com_base_searchpaths)
{
Q_strncpyz (gamedirfile, dir, sizeof(gamedirfile));
return;
}
if (!isbase)
return;
break;
}
}
else if (plen > dlen)
{
if (*(p+plen-dlen-1) == '/')
{
if (!strcmp(p+plen-dlen, dir))
{
if (isbase && com_searchpaths == com_base_searchpaths)
{
Q_strncpyz (gamedirfile, dir, sizeof(gamedirfile));
return;
}
if (!isbase)
return;
break;
}
}
}
}
}
FS_ForceToPure(NULL, NULL, 0);
#ifndef SERVERONLY
Host_WriteConfiguration(); //before we change anything.
#endif
Q_strncpyz (gamedirfile, dir, sizeof(gamedirfile));
#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 ();
if (strchr(dir, ';'))
{
//separate case because parsestringset splits by whitespace too
while ((dir = COM_ParseStringSet(dir)))
{
if (!strcmp(dir, ";"))
continue;
if (!*dir)
continue;
FS_AddGameDirectory(dir, va("%s%s", com_quakedir, com_token), ~0);
if (*com_homedir)
FS_AddGameDirectory(dir, va("%s%s", com_homedir, com_token), ~0);
}
}
else
{
FS_AddGameDirectory(dir, va("%s%s", com_quakedir, dir), ~0);
if (*com_homedir)
FS_AddGameDirectory(dir, va("%s%s", com_homedir, dir), ~0);
}
#ifndef SERVERONLY
if (!isDedicated)
{
// if (qrenderer != QR_NONE) //only do this if we have already started the renderer
// Cbuf_InsertText("vid_restart\n", RESTRICT_LOCAL);
if (COM_FDepthFile("config.cfg", true) <= (*com_homedir?1:0))
{
Cbuf_InsertText("cl_warncmd 0\n"
"exec config.cfg\n"
"exec fte.cfg\n"
"cl_warncmd 1\n", RESTRICT_LOCAL, false);
}
}
Shader_Init(); //FIXME!
COM_Effectinfo_Clear();
Validation_FlushFileList(); //prevent previous hacks from making a difference.
//FIXME: load new palette, if different cause a vid_restart.
#endif
}
/*stuff that makes dp-only mods work a bit better*/
#define DPCOMPAT "set _cl_playermodel \"\"\n set dpcompat_set 1\n set dpcompat_trailparticles 1\nset dpcompat_corruptglobals 1\nset vid_pixelheight 1\n"
/*nexuiz/xonotic has a few quirks...*/
#define NEXCFG DPCOMPAT "set r_particlesdesc effectinfo\nset sv_maxairspeed \"400\"\nset sv_jumpvelocity 270\nset sv_mintic \"0.01\"\ncl_nolerp 0\n"
/*some modern non-compat settings*/
#define DMFCFG "set com_parseutf8 1\npm_airstep 1\n"
/*set some stuff so our regular qw client appears more like hexen2*/
#define HEX2CFG "set r_particlesdesc \"spikeset tsshaft h2part\"\nset sv_maxspeed 640\nset watervis 1\nset r_wateralpha 0.5\nset sv_pupglow 1\nset cl_model_bobbing 1\n"
/*Q3's ui doesn't like empty model/headmodel/handicap cvars, even if the gamecode copes*/
#define Q3CFG "seta model sarge\nseta headmodel sarge\nseta handicap 100\n"
typedef struct {
const char *protocolname; //sent to the master server when this is the current gamemode.
const char *exename; //used if the exe name contains this
const char *argname; //used if this was used as a parameter.
const char *auniquefile[4]; //used if this file is relative from the gamedir
const char *customexec;
const char *dir[4];
const char *poshname; //Full name for the game.
} gamemode_info_t;
const 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.
//rogue/hipnotic have no special files - the detection conflicts and stops us from running regular quake
//protocol name(dpmaster) exename cmdline switch identifying file exec dir1 dir2 dir3 dir(fte) full name
{"Darkplaces-Quake", "q1", "-quake", {"id1/pak0.pak"}, NULL, {"id1", "qw", "fte"}, "Quake"},
{"Darkplaces-Hipnotic", "hipnotic", "-hipnotic", {NULL}, NULL, {"id1", "qw", "hipnotic", "fte"}, "Quake: Scourge of Armagon"},
{"Darkplaces-Rogue", "rogue", "-rogue", {NULL}, NULL, {"id1", "qw", "rogue", "fte"}, "Quake: Dissolution of Eternity"},
{"Nexuiz", "nexuiz", "-nexuiz", {"nexuiz.exe"}, NEXCFG, {"data", "ftedata"}, "Nexuiz"},
{"Xonotic", "xonotic", "-xonotic", {"xonotic.exe"}, NEXCFG, {"data", "ftedata"}, "Xonotic"},
{"DMF", "dmf", "-dmf", {"base/src/progs.src",
"base/qwprogs.dat",
"base/pak0.pak"}, DMFCFG, {"base", }, "DMF"},
//supported commercial mods (some are currently only partially supported)
{"FTE-H2MP", "h2mp", "-portals", {"portals/hexen.rc",
"portals/pak3.pak"}, HEX2CFG,{"data1", "portals", "fteh2"}, "Hexen II MP"},
{"FTE-Hexen2", "hexen2", "-hexen2", {"data1/pak0.pak"}, HEX2CFG,{"data1", "fteh2"}, "Hexen II"},
{"FTE-Quake2", "q2", "-q2", {"baseq2/pak0.pak"}, NULL, {"baseq2", "fteq2"}, "Quake II"},
{"FTE-Quake3", "q3", "-q3", {"baseq3/pak0.pk3"}, Q3CFG, {"baseq3", "fteq3"}, "Quake III Arena"},
//the rest are not officially supported.
{"FTE-Quake4", "q4", "-q4", {"q4base/pak00.pk4"}, NULL, {"q4base", "fteq4"}, "Quake 4"},
{"FTE-EnemyTerritory", "et", "-et", {"etmain/pak0.pk3"}, NULL, {"etmain", "fteet"}, "Wolfenstein - Enemy Territory"},
{"FTE-JK2", "jk2", "-jk2", {"base/assets0.pk3"}, NULL, {"base", "fte"}, "Jedi Knight II: Jedi Outcast"},
{"FTE-HalfLife", "hl", "-halflife", {"valve/liblist.gam"}, NULL, {"valve", "ftehl"}, "Half-Life"},
{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(const char *str, const 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.
if (com_purepaths)
Con_Printf("Pure FS deactivated\n");
com_purepaths = NULL;
FS_FlushFSHash();
return;
}
if (!com_purepaths)
Con_Printf("Pure FS activated\n");
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 *FSQ3_GenerateClientPacksList(char *buffer, int maxlen, int basechecksum)
{ //this is for q3 compatibility.
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 && com_purepaths)
{
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)
FS_AddGameDirectory(oldpaths->purepath, 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(~0);
}
void FS_ReloadPackFiles_f(void)
{
if (atoi(Cmd_Argv(1)))
FS_ReloadPackFilesFlags(atoi(Cmd_Argv(1)));
else
FS_ReloadPackFilesFlags(~0);
}
#ifdef _WIN32
#include <windows.h>
#ifdef MINGW
#define byte BYTE //some versions of mingw headers are broken slightly. this lets it compile.
#endif
#include <shlobj.h>
static qboolean Sys_SteamHasFile(char *basepath, int basepathlen, char *steamdir, char *fname)
{
/*
Find where Valve's Steam distribution platform is installed.
Then take a look at that location for the relevent installed app.
*/
FILE *f;
DWORD resultlen;
HKEY key = NULL;
if (!FAILED(RegOpenKeyEx(HKEY_CURRENT_USER, "SOFTWARE\\Valve\\Steam", 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE, &key)))
{
resultlen = basepathlen;
RegQueryValueEx(key, "SteamPath", NULL, NULL, basepath, &resultlen);
RegCloseKey(key);
Q_strncatz(basepath, va("/SteamApps/common/%s", steamdir), basepathlen);
if ((f = fopen(va("%s/%s", basepath, fname), "rb")))
{
fclose(f);
return true;
}
}
return false;
}
qboolean Sys_FindGameData(const char *poshname, const char *gamename, char *basepath, int basepathlen)
{
DWORD resultlen;
HKEY key = NULL;
#ifndef INVALID_FILE_ATTRIBUTES
#define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
#endif
//first, try and find it in our game paths location
if (!FAILED(RegOpenKeyEx(HKEY_CURRENT_USER, "SOFTWARE\\" FULLENGINENAME "\\GamePaths", 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE, &key)))
{
resultlen = basepathlen;
if (!RegQueryValueEx(key, gamename, NULL, NULL, basepath, &resultlen))
{
if (GetFileAttributes(basepath) != INVALID_FILE_ATTRIBUTES)
{
RegCloseKey(key);
return true;
}
}
RegCloseKey(key);
}
if (!strcmp(gamename, "q1"))
{
FILE *f;
//try and find it via steam
//reads HKEY_LOCAL_MACHINE\SOFTWARE\Valve\Steam\InstallPath
//append SteamApps\common\quake
//use it if we find winquake.exe there
if (Sys_SteamHasFile(basepath, basepathlen, "quake", "Winquake.exe"))
return true;
//well, okay, so they don't have quake installed from steam.
//quite a lot of people have it in c:\quake, as that's the default install location from the quake cd.
if ((f = fopen("c:/quake/quake.exe", "rb")))
{
//HAHAHA! Found it!
fclose(f);
Q_strncpyz(basepath, "c:/quake", basepathlen);
return true;
}
}
if (!strcmp(gamename, "q2"))
{
FILE *f;
DWORD resultlen;
HKEY key = NULL;
//look for HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Quake2_exe\Path
if (!FAILED(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\App Paths\\Quake2_exe", 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE, &key)))
{
resultlen = basepathlen;
RegQueryValueEx(key, "Path", NULL, NULL, basepath, &resultlen);
RegCloseKey(key);
if ((f = fopen(va("%s/quake2.exe", basepath), "rb")))
{
fclose(f);
return true;
}
}
if (Sys_SteamHasFile(basepath, basepathlen, "quake 2", "quake2.exe"))
return true;
}
if (!strcmp(gamename, "et"))
{
FILE *f;
DWORD resultlen;
HKEY key = NULL;
//reads HKEY_LOCAL_MACHINE\SOFTWARE\Activision\Wolfenstein - Enemy Territory
if (!FAILED(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Activision\\Wolfenstein - Enemy Territory", 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE, &key)))
{
resultlen = basepathlen;
RegQueryValueEx(key, "InstallPath", NULL, NULL, basepath, &resultlen);
RegCloseKey(key);
if ((f = fopen(va("%s/ET.exe", basepath), "rb")))
{
fclose(f);
return true;
}
return true;
}
}
if (!strcmp(gamename, "q3"))
{
FILE *f;
DWORD resultlen;
HKEY key = NULL;
//reads HKEY_LOCAL_MACHINE\SOFTWARE\id\Quake III Arena\InstallPath
if (!FAILED(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\id\\Quake III Arena", 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE, &key)))
{
resultlen = basepathlen;
RegQueryValueEx(key, "InstallPath", NULL, NULL, basepath, &resultlen);
RegCloseKey(key);
if ((f = fopen(va("%s/quake3.exe", basepath), "rb")))
{
fclose(f);
return true;
}
}
if (Sys_SteamHasFile(basepath, basepathlen, "quake 3 arena", "quake3.exe"))
return true;
}
if (!strcmp(gamename, "wop"))
{
DWORD resultlen;
HKEY key = NULL;
//reads HKEY_LOCAL_MACHINE\SOFTWARE\World Of Padman\Path
if (!FAILED(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\World Of Padman", 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE, &key)))
{
resultlen = basepathlen;
RegQueryValueEx(key, "Path", NULL, NULL, basepath, &resultlen);
RegCloseKey(key);
return true;
}
}
/*
if (!strcmp(gamename, "d3"))
{
DWORD resultlen;
HKEY key = NULL;
//reads HKEY_LOCAL_MACHINE\SOFTWARE\id\Doom 3\InstallPath
if (!FAILED(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\id\\Doom 3", 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE, &key)))
{
resultlen = basepathlen;
RegQueryValueEx(key, "InstallPath", NULL, NULL, basepath, &resultlen);
RegCloseKey(key);
return true;
}
}
*/
if (!strcmp(gamename, "hexen2"))
{
//append SteamApps\common\hexen 2
if (Sys_SteamHasFile(basepath, basepathlen, "hexen 2", "glh2.exe"))
return true;
}
#if !defined(NPQTV) && !defined(SERVERONLY) //this is *really* unfortunate, but doing this crashes the browser
if (poshname)
{
char resultpath[MAX_PATH];
BROWSEINFO bi;
LPITEMIDLIST il;
memset(&bi, 0, sizeof(bi));
#if defined(_SDL) && defined (WIN32) && defined (MINGW) // mingw32 sdl cross compiled binary, code completely untested, doesn't crash so good sign ~moodles
SDL_SysWMinfo wmInfo;
SDL_GetWMInfo(&wmInfo);
HWND sys_parentwindow = wmInfo.window;
if (sys_parentwindow)
bi.hwndOwner = sys_parentwindow; //note that this is usually still null
else
#endif
bi.hwndOwner = mainwindow; //note that this is usually still null
bi.pidlRoot = NULL;
bi.pszDisplayName = resultpath;
bi.lpszTitle = va("Please locate your existing %s installation", poshname);
bi.ulFlags = BIF_RETURNONLYFSDIRS;
bi.lpfn = NULL;
bi.lParam = 0;
bi.iImage = 0;
il = SHBrowseForFolder(&bi);
if (il)
{
SHGetPathFromIDList(il, resultpath);
CoTaskMemFree(il);
Q_strncpyz(basepath, resultpath, basepathlen-1);
//and save it into the windows registry
if (!FAILED(RegCreateKeyEx(HKEY_CURRENT_USER, "SOFTWARE\\" FULLENGINENAME "\\GamePaths",
0, NULL,
REG_OPTION_NON_VOLATILE,
KEY_WRITE,
NULL,
&key,
NULL)))
{
RegSetValueEx(key, gamename, 0, REG_SZ, basepath, strlen(basepath));
RegCloseKey(key);
}
return true;
}
}
#endif
return false;
}
#else
qboolean Sys_FindGameData(const char *poshname, const char *gamename, char *basepath, int basepathlen)
{
return false;
}
#endif
void FS_Shutdown(void)
{
searchpath_t *next;
FS_FlushFSHash();
//
// free up any current game dir info
//
while (com_searchpaths)
{
com_searchpaths->funcs->ClosePath(com_searchpaths->handle);
next = com_searchpaths->next;
Z_Free (com_searchpaths);
com_searchpaths = next;
}
com_fschanged = true;
}
void FS_StartupWithGame(int gamenum)
{
int i;
#ifdef AVAIL_ZLIB
LibZ_Init();
#endif
Cvar_Set(&com_protocolname, gamemode_info[gamenum].protocolname);
Cvar_ForceSet(&fs_gamename, gamemode_info[gamenum].poshname);
//
// start up with id1 by default
//
i = COM_CheckParm ("-basegame");
if (i && i < com_argc-1)
{
do //use multiple -basegames
{
FS_AddGameDirectory (com_argv[i+1], va("%s%s", com_quakedir, com_argv[i+1]), ~0);
if (*com_homedir)
FS_AddGameDirectory (com_argv[i+1], va("%s%s", com_homedir, com_argv[i+1]), ~0);
i = COM_CheckNextParm ("-basegame", i);
}
while (i && i < com_argc-1);
}
else
{
for (i = 0; i < sizeof(gamemode_info[gamenum].dir)/sizeof(gamemode_info[gamenum].dir[0]); i++)
{
if (gamemode_info[gamenum].dir[i])
{
FS_AddGameDirectory (gamemode_info[gamenum].dir[i], va("%s%s", com_quakedir, gamemode_info[gamenum].dir[i]), ~0);
if (*com_homedir)
FS_AddGameDirectory (gamemode_info[gamenum].dir[i], va("%s%s", com_homedir, gamemode_info[gamenum].dir[i]), ~0);
}
}
}
i = COM_CheckParm ("-addbasegame");
while (i && i < com_argc-1) //use multiple -addbasegames (this is so the basic dirs don't die)
{
FS_AddGameDirectory (com_argv[i+1], va("%s%s", com_quakedir, com_argv[i+1]), ~0);
if (*com_homedir)
FS_AddGameDirectory (com_argv[i+1], va("%s%s", com_homedir, com_argv[i+1]), ~0);
i = COM_CheckNextParm ("-addbasegame", i);
}
// any set gamedirs will be freed up to here
com_base_searchpaths = com_searchpaths;
//-game specifies the mod gamedir to use in NQ
i = COM_CheckParm ("-game"); //effectivly replace with +gamedir x (But overridable)
if (i && i < com_argc-1)
{
COM_Gamedir(com_argv[i+1]);
}
//+gamedir specifies the mod gamedir to use in QW
//hack - we parse the commandline after the config so commandline always overrides
//but this means ktpro/server.cfg (for example) is not found
//so if they specify a gamedir on the commandline, let the default configs be loaded from that gamedir
//note that -game +gamedir will result in both being loaded. but hey, who cares
i = COM_CheckParm ("+gamedir"); //effectivly replace with +gamedir x (But overridable)
if (i && i < com_argc-1)
{
COM_Gamedir(com_argv[i+1]);
}
if (gamemode_info[gamenum].customexec)
Cbuf_AddText(gamemode_info[gamenum].customexec, RESTRICT_LOCAL);
}
/*
================
COM_InitFilesystem
================
*/
void COM_InitFilesystem (void)
{
FILE *f;
int i, j;
char *ev;
qboolean usehome;
qboolean autobasedir = true;
int gamenum=-1;
FS_RegisterDefaultFileSystems();
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]);
autobasedir = false;
}
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(&fs_gamename, "FS");
Cvar_Register(&com_protocolname, "Server Info");
Cvar_Register(&com_modname, "Server Info");
//identify the game from a telling file
for (i = 0; gamemode_info[i].argname && gamenum==-1; i++)
{
for (j = 0; j < 4; j++)
{
if (!gamemode_info[i].auniquefile[j])
continue; //no more
f = fopen(va("%s%s", com_quakedir, gamemode_info[i].auniquefile[j]), "rb");
if (f)
{
fclose(f);
gamenum = i;
break;
}
}
}
//use the game based on an exe name over the filesystem one (could easily have multiple fs path matches).
for (i = 0; gamemode_info[i].argname; i++)
{
ev = strstr(com_argv[0], gamemode_info[i].exename);
if (ev && (!strchr(ev, '\\') && !strchr(ev, '/')))
gamenum = i;
}
//use the game based on an parameter over all else.
for (i = 0; gamemode_info[i].argname; i++)
{
if (COM_CheckParm(gamemode_info[i].argname))
{
gamenum = i;
for (j = 0; j < 4; j++)
{
if (gamemode_info[gamenum].auniquefile[j])
{
f = fopen(va("%s%s", com_quakedir, gamemode_info[i].auniquefile[j]), "rb");
if (f)
{
//we found it, its all okay
fclose(f);
break;
}
#ifdef _WIN32
if (Sys_FindGameData(gamemode_info[i].poshname, gamemode_info[i].exename, com_quakedir, sizeof(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)] = '/';
}
}
else
#endif
{
Con_Printf("Couldn't find the gamedata for this game mode!\n");
}
break;
}
}
break;
}
}
//still failed? find quake and use that one by default
if (gamenum<0)
{
for (i = 0; gamemode_info[i].argname; i++)
{
if (!strcmp(gamemode_info[i].argname, "-quake"))
{
gamenum = i;
if (autobasedir)
{
if (Sys_FindGameData(gamemode_info[i].poshname, gamemode_info[i].exename, com_quakedir, sizeof(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)] = '/';
}
}
}
break;
}
}
}
usehome = false;
#ifdef _WIN32
{ //win32 sucks.
HMODULE shfolder = LoadLibrary("shfolder.dll");
DWORD winver = (DWORD)LOBYTE(LOWORD(GetVersion()));
if (shfolder)
{
HRESULT (WINAPI *dSHGetFolderPath) (HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPTSTR pszPath);
dSHGetFolderPath = (void *)GetProcAddress(shfolder, "SHGetFolderPathA");
if (dSHGetFolderPath)
{
char folder[MAX_PATH];
// 0x5 == CSIDL_PERSONAL
if (dSHGetFolderPath(NULL, 0x5, NULL, 0, folder) == S_OK)
Q_snprintfz(com_homedir, sizeof(com_homedir), "%s/My Games/%s/", folder, FULLENGINENAME);
}
// FreeLibrary(shfolder);
}
if (!*com_homedir)
{
ev = getenv("USERPROFILE");
if (ev)
Q_snprintfz(com_homedir, sizeof(com_homedir), "%s/My Documents/My Games/%s/", ev, FULLENGINENAME);
}
#ifdef NPQTV
if (!*com_homedir)
Q_snprintfz(com_homedir, sizeof(com_homedir), "/%s/", FULLENGINENAME);
//as a browser plugin, always use their home directory
usehome = true;
#else
/*would it not be better to just check to see if we have write permission to the basedir?*/
if (winver >= 0x6) // Windows Vista and above
usehome = true; // always use home directory by default, as Vista+ mimics this behavior anyway
else if (winver >= 0x5) // Windows 2000/XP/2003
{
HMODULE advapi32;
advapi32 = LoadLibrary("advapi32.dll");
if (advapi32)
{
BOOL (WINAPI *dCheckTokenMembership) (HANDLE TokenHandle, PSID SidToCheck, PBOOL IsMember);
dCheckTokenMembership = (void *)GetProcAddress(advapi32, "CheckTokenMembership");
if (dCheckTokenMembership)
{
// on XP systems, only use a home directory by default if we're a limited user or if we're on a network
BOOL isadmin, isonnetwork;
SID_IDENTIFIER_AUTHORITY ntauth = SECURITY_NT_AUTHORITY;
PSID adminSID, networkSID;
isadmin = AllocateAndInitializeSid(&ntauth,
2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0,
&adminSID);
// just checking the network rid should be close enough to matching domain logins
isonnetwork = AllocateAndInitializeSid(&ntauth,
1,
SECURITY_NETWORK_RID,
0, 0, 0, 0, 0, 0, 0,
&networkSID);
if (isadmin && !dCheckTokenMembership(0, adminSID, &isadmin))
isadmin = 0;
if (isonnetwork && !dCheckTokenMembership(0, networkSID, &isonnetwork))
isonnetwork = 0;
usehome = isonnetwork || !isadmin;
FreeSid(networkSID);
FreeSid(adminSID);
}
FreeLibrary(advapi32);
}
}
#endif
}
#else
//yay for unix!.
ev = getenv("HOME");
if (ev && *ev)
{
if (ev[strlen(ev)-1] == '/')
Q_snprintfz(com_homedir, sizeof(com_homedir), "%s.fte/", ev);
else
Q_snprintfz(com_homedir, sizeof(com_homedir), "%s/.fte/", ev);
usehome = true; // always use home on unix unless told not to
}
else
*com_homedir = '\0';
#endif
if (!usehome && !COM_CheckParm("-usehome"))
*com_homedir = '\0';
if (COM_CheckParm("-nohome"))
*com_homedir = '\0';
if (*com_homedir)
Con_Printf("Using home directory \"%s\"\n", com_homedir);
FS_StartupWithGame(gamenum);
}
//this is at the bottom of the file to ensure these globals are not used elsewhere
extern searchpathfuncs_t packfilefuncs;
extern searchpathfuncs_t zipfilefuncs;
extern searchpathfuncs_t doomwadfilefuncs;
void FS_RegisterDefaultFileSystems(void)
{
FS_RegisterFileSystemType("pak", &packfilefuncs);
#ifndef _WIN32
/*for systems that have case sensitive paths, also include *.PAK */
FS_RegisterFileSystemType("PAK", &packfilefuncs);
#endif
#ifdef AVAIL_ZLIB
FS_RegisterFileSystemType("pk3", &zipfilefuncs);
FS_RegisterFileSystemType("pk4", &zipfilefuncs);
#endif
#ifdef DOOMWADS
FS_RegisterFileSystemType("wad", &doomwadfilefuncs);
#endif
}
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