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netradiant-custom/tools/quake3/common/vfs.c
Garux 7d7436ec3d Q3map2: 
* packer: +warnings on implicitMaps, mapNoComps
	* packer: known problem: minizip crash, when trying to get file with 2039 year date from disk
	* -repack: repacks multiple maps, strips out only required shaders; main argument is single bsp path or txt with full pathes to bsps
		switches: -dbg: talkative mode; -png: include pngs, at highest priority; -complevel: -1..10, def 0, compression level
		uses additional exclusions file repack.exclude with different logic
2017-08-01 13:56:25 +03:00

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/*
Copyright (c) 2001, Loki software, inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list
of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
Neither the name of Loki software nor the names of its contributors may be used
to endorse or promote products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//
// Rules:
//
// - Directories should be searched in the following order: ~/.q3a/baseq3,
// install dir (/usr/local/games/quake3/baseq3) and cd_path (/mnt/cdrom/baseq3).
//
// - Pak files are searched first inside the directories.
// - Case insensitive.
// - Unix-style slashes (/) (windows is backwards .. everyone knows that)
//
// Leonardo Zide (leo@lokigames.com)
//
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "cmdlib.h"
#include "filematch.h"
#include "mathlib.h"
#include "inout.h"
#include "vfs.h"
#include "unzip.h"
#include "miniz.h"
typedef struct
{
char* name;
unz_s zipinfo;
unzFile zipfile;
guint32 size;
} VFS_PAKFILE;
// =============================================================================
// Global variables
static GSList* g_unzFiles;
static GSList* g_pakFiles;
static char g_strDirs[VFS_MAXDIRS][PATH_MAX + 1];
static int g_numDirs;
char g_strForbiddenDirs[VFS_MAXDIRS][PATH_MAX + 1];
int g_numForbiddenDirs = 0;
static gboolean g_bUsePak = TRUE;
// =============================================================================
// Static functions
static void vfsAddSlash( char *str ){
int n = strlen( str );
if ( n > 0 ) {
if ( str[n - 1] != '\\' && str[n - 1] != '/' ) {
strcat( str, "/" );
}
}
}
static void vfsFixDOSName( char *src ){
if ( src == NULL ) {
return;
}
while ( *src )
{
if ( *src == '\\' ) {
*src = '/';
}
src++;
}
}
//!\todo Define globally or use heap-allocated string.
#define NAME_MAX 255
static void vfsInitPakFile( const char *filename ){
unz_global_info gi;
unzFile uf;
guint32 i;
int err;
uf = unzOpen( filename );
if ( uf == NULL ) {
return;
}
g_unzFiles = g_slist_append( g_unzFiles, uf );
err = unzGetGlobalInfo( uf,&gi );
if ( err != UNZ_OK ) {
return;
}
unzGoToFirstFile( uf );
for ( i = 0; i < gi.number_entry; i++ )
{
char filename_inzip[NAME_MAX];
unz_file_info file_info;
VFS_PAKFILE* file;
err = unzGetCurrentFileInfo( uf, &file_info, filename_inzip, sizeof( filename_inzip ), NULL, 0, NULL, 0 );
if ( err != UNZ_OK ) {
break;
}
file = (VFS_PAKFILE*)safe_malloc( sizeof( VFS_PAKFILE ) );
g_pakFiles = g_slist_append( g_pakFiles, file );
vfsFixDOSName( filename_inzip );
g_strdown( filename_inzip );
file->name = strdup( filename_inzip );
file->size = file_info.uncompressed_size;
file->zipfile = uf;
memcpy( &file->zipinfo, uf, sizeof( unz_s ) );
if ( ( i + 1 ) < gi.number_entry ) {
err = unzGoToNextFile( uf );
if ( err != UNZ_OK ) {
break;
}
}
}
}
// =============================================================================
// Global functions
// reads all pak files from a dir
void vfsInitDirectory( const char *path ){
char filename[PATH_MAX];
char *dirlist;
GDir *dir;
int j;
for ( j = 0; j < g_numForbiddenDirs; ++j )
{
char* dbuf = g_strdup( path );
if ( *dbuf && dbuf[strlen( dbuf ) - 1] == '/' ) {
dbuf[strlen( dbuf ) - 1] = 0;
}
const char *p = strrchr( dbuf, '/' );
p = ( p ? ( p + 1 ) : dbuf );
if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
g_free( dbuf );
break;
}
g_free( dbuf );
}
if ( j < g_numForbiddenDirs ) {
return;
}
if ( g_numDirs == VFS_MAXDIRS ) {
return;
}
Sys_Printf( "VFS Init: %s\n", path );
strncpy( g_strDirs[g_numDirs], path, PATH_MAX );
g_strDirs[g_numDirs][PATH_MAX] = 0;
vfsFixDOSName( g_strDirs[g_numDirs] );
vfsAddSlash( g_strDirs[g_numDirs] );
g_numDirs++;
if ( g_bUsePak ) {
dir = g_dir_open( path, 0, NULL );
if ( dir != NULL ) {
while ( 1 )
{
const char* name = g_dir_read_name( dir );
if ( name == NULL ) {
break;
}
for ( j = 0; j < g_numForbiddenDirs; ++j )
{
const char *p = strrchr( name, '/' );
p = ( p ? ( p + 1 ) : name );
if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
break;
}
}
if ( j < g_numForbiddenDirs ) {
continue;
}
dirlist = g_strdup( name );
{
char *ext = strrchr( dirlist, '.' );
if ( ext && !Q_stricmp( ext, ".pk3dir" ) ) {
if ( g_numDirs == VFS_MAXDIRS ) {
continue;
}
snprintf( g_strDirs[g_numDirs], PATH_MAX, "%s/%s", path, name );
g_strDirs[g_numDirs][PATH_MAX] = '\0';
vfsFixDOSName( g_strDirs[g_numDirs] );
vfsAddSlash( g_strDirs[g_numDirs] );
++g_numDirs;
}
if ( ( ext == NULL ) || ( Q_stricmp( ext, ".pk3" ) != 0 ) ) {
continue;
}
}
sprintf( filename, "%s/%s", path, dirlist );
vfsInitPakFile( filename );
g_free( dirlist );
}
g_dir_close( dir );
}
}
}
// lists all .shader files
void vfsListShaderFiles( char* list, int *num ){
//char filename[PATH_MAX];
char *dirlist;
GDir *dir;
int i, k;
char path[NAME_MAX];
/* search in dirs */
for ( i = 0; i < g_numDirs; i++ ){
strncpy( path, g_strDirs[ i ], NAME_MAX );
strcat( path, "scripts/" );
dir = g_dir_open( path, 0, NULL );
if ( dir != NULL ) {
while ( 1 )
{
const char* name = g_dir_read_name( dir );
if ( name == NULL ) {
break;
}
dirlist = g_strdup( name );
char *ext = strrchr( dirlist, '.' );
if ( ( ext == NULL ) || ( Q_stricmp( ext, ".shader" ) != 0 ) ) {
continue;
}
for ( k = 0; k < *num; k++ ){
if ( !stricmp( list + k*65, dirlist ) ) goto shISdouplicate;
}
strcpy( list + (*num)*65, dirlist );
(*num)++;
shISdouplicate:
g_free( dirlist );
}
g_dir_close( dir );
}
}
/* search in packs */
GSList *lst;
for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
{
VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
char *ext = strrchr( file->name, '.' );
if ( ( ext == NULL ) || ( Q_stricmp( ext, ".shader" ) != 0 ) ) {
continue;
}
//name + ext this time
ext = strrchr( file->name, '/' );
ext++;
for ( k = 0; k < *num; k++ ){
if ( !stricmp( list + k*65, ext ) ) goto shISdouplicate2;
}
strcpy( list + (*num)*65, ext );
(*num)++;
shISdouplicate2:
continue;
}
}
// frees all memory that we allocated
void vfsShutdown(){
while ( g_unzFiles )
{
unzClose( (unzFile)g_unzFiles->data );
g_unzFiles = g_slist_remove( g_unzFiles, g_unzFiles->data );
}
while ( g_pakFiles )
{
VFS_PAKFILE* file = (VFS_PAKFILE*)g_pakFiles->data;
free( file->name );
free( file );
g_pakFiles = g_slist_remove( g_pakFiles, file );
}
}
// return the number of files that match
int vfsGetFileCount( const char *filename ){
int i, count = 0;
char fixed[NAME_MAX], tmp[NAME_MAX];
GSList *lst;
strcpy( fixed, filename );
vfsFixDOSName( fixed );
g_strdown( fixed );
for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
{
VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
if ( strcmp( file->name, fixed ) == 0 ) {
count++;
}
}
for ( i = 0; i < g_numDirs; i++ )
{
strcpy( tmp, g_strDirs[i] );
strcat( tmp, fixed );
if ( access( tmp, R_OK ) == 0 ) {
count++;
}
}
return count;
}
// NOTE: when loading a file, you have to allocate one extra byte and set it to \0
int vfsLoadFile( const char *filename, void **bufferptr, int index ){
int i, count = 0;
char tmp[NAME_MAX], fixed[NAME_MAX];
GSList *lst;
// filename is a full path
if ( index == -1 ) {
long len;
FILE *f;
f = fopen( filename, "rb" );
if ( f == NULL ) {
return -1;
}
fseek( f, 0, SEEK_END );
len = ftell( f );
rewind( f );
*bufferptr = safe_malloc( len + 1 );
if ( *bufferptr == NULL ) {
fclose( f );
return -1;
}
if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
fclose( f );
return -1;
}
fclose( f );
// we need to end the buffer with a 0
( (char*) ( *bufferptr ) )[len] = 0;
return len;
}
*bufferptr = NULL;
strcpy( fixed, filename );
vfsFixDOSName( fixed );
g_strdown( fixed );
for ( i = 0; i < g_numDirs; i++ )
{
strcpy( tmp, g_strDirs[i] );
strcat( tmp, filename );
if ( access( tmp, R_OK ) == 0 ) {
if ( count == index ) {
long len;
FILE *f;
f = fopen( tmp, "rb" );
if ( f == NULL ) {
return -1;
}
fseek( f, 0, SEEK_END );
len = ftell( f );
rewind( f );
*bufferptr = safe_malloc( len + 1 );
if ( *bufferptr == NULL ) {
fclose( f );
return -1;
}
if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
fclose( f );
return -1;
}
fclose( f );
// we need to end the buffer with a 0
( (char*) ( *bufferptr ) )[len] = 0;
return len;
}
count++;
}
}
for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
{
VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
if ( strcmp( file->name, fixed ) != 0 ) {
continue;
}
if ( count == index ) {
memcpy( file->zipfile, &file->zipinfo, sizeof( unz_s ) );
if ( unzOpenCurrentFile( file->zipfile ) != UNZ_OK ) {
return -1;
}
*bufferptr = safe_malloc( file->size + 1 );
// we need to end the buffer with a 0
( (char*) ( *bufferptr ) )[file->size] = 0;
i = unzReadCurrentFile( file->zipfile, *bufferptr, file->size );
unzCloseCurrentFile( file->zipfile );
if ( i < 0 ) {
return -1;
}
else{
return file->size;
}
}
count++;
}
return -1;
}
qboolean vfsPackFile( const char *filename, const char *packname, const int compLevel ){
int i;
char tmp[NAME_MAX], fixed[NAME_MAX];
GSList *lst;
byte *bufferptr = NULL;
strcpy( fixed, filename );
vfsFixDOSName( fixed );
g_strdown( fixed );
for ( i = 0; i < g_numDirs; i++ )
{
strcpy( tmp, g_strDirs[i] );
strcat( tmp, filename );
if ( access( tmp, R_OK ) == 0 ) {
if ( access( packname, R_OK ) == 0 ) {
mz_zip_archive zip;
memset( &zip, 0, sizeof(zip) );
mz_zip_reader_init_file( &zip, packname, 0 );
mz_zip_writer_init_from_reader( &zip, packname );
mz_bool success = MZ_TRUE;
success &= mz_zip_writer_add_file( &zip, filename, tmp, 0, 0, compLevel );
if ( !success || !mz_zip_writer_finalize_archive( &zip ) ){
Error( "Failed creating zip archive \"%s\"!\n", packname );
}
mz_zip_reader_end( &zip);
mz_zip_writer_end( &zip );
}
else{
mz_zip_archive zip;
memset( &zip, 0, sizeof(zip) );
if( !mz_zip_writer_init_file( &zip, packname, 0 ) ){
Error( "Failed creating zip archive \"%s\"!\n", packname );
}
mz_bool success = MZ_TRUE;
success &= mz_zip_writer_add_file( &zip, filename, tmp, 0, 0, compLevel );
if ( !success || !mz_zip_writer_finalize_archive( &zip ) ){
Error( "Failed creating zip archive \"%s\"!\n", packname );
}
mz_zip_writer_end( &zip );
}
return qtrue;
}
}
for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
{
VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
if ( strcmp( file->name, fixed ) != 0 ) {
continue;
}
memcpy( file->zipfile, &file->zipinfo, sizeof( unz_s ) );
if ( unzOpenCurrentFile( file->zipfile ) != UNZ_OK ) {
return qfalse;
}
bufferptr = safe_malloc( file->size + 1 );
// we need to end the buffer with a 0
( (char*) ( bufferptr ) )[file->size] = 0;
mz_uint16 DOS_time = (mz_uint16)(((file->zipinfo.cur_file_info.tmu_date.tm_hour) << 11) + ((file->zipinfo.cur_file_info.tmu_date.tm_min) << 5) + ((file->zipinfo.cur_file_info.tmu_date.tm_sec) >> 1));
mz_uint16 DOS_date = (mz_uint16)(((file->zipinfo.cur_file_info.tmu_date.tm_year - 1980) << 9) + ((file->zipinfo.cur_file_info.tmu_date.tm_mon + 1) << 5) + file->zipinfo.cur_file_info.tmu_date.tm_mday);
i = unzReadCurrentFile( file->zipfile, bufferptr, file->size );
unzCloseCurrentFile( file->zipfile );
if ( i < 0 ) {
return qfalse;
}
else{
mz_bool success = MZ_TRUE;
success &= mz_zip_add_mem_to_archive_file_in_place_with_time( packname, filename, bufferptr, i, 0, 0, compLevel, DOS_time, DOS_date );
if ( !success ){
Error( "Failed creating zip archive \"%s\"!\n", packname );
}
free( bufferptr );
return qtrue;
}
}
return qfalse;
}
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