555 lines
14 KiB
C
555 lines
14 KiB
C
/*
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*
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* Some simple physfs extensions
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*
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*/
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#if !defined(macintosh) && !defined(_MSC_VER)
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#include <sys/param.h>
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#endif
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#if defined(__MACH__) && defined(__APPLE__)
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#include <sys/mount.h>
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#include <unistd.h> // for chdir hack
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#include <HIServices/Processes.h>
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#endif
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#include "physfsx.h"
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#include "object.h"
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#include "newdemo.h"
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// Initialise PhysicsFS, set up basic search paths and add arguments from .ini file.
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// The .ini file can be in either the user directory or the same directory as the program.
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// The user directory is searched first.
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void PHYSFSX_init(int argc, char *argv[])
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{
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char fullPath[PATH_MAX + 5];
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#if defined(__unix__)
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char *path = NULL;
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#endif
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#ifdef macintosh // Mac OS 9
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char base_dir[PATH_MAX];
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int bundle = 0;
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#else
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#define base_dir PHYSFS_getBaseDir()
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#endif
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PHYSFS_init(argv[0]);
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PHYSFS_permitSymbolicLinks(1);
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#ifdef macintosh
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strcpy(base_dir, PHYSFS_getBaseDir());
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if (strstr(base_dir, ".app:Contents:MacOSClassic")) // the Mac OS 9 program is still in the .app bundle
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{
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char *p;
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bundle = 1;
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if (base_dir[strlen(base_dir) - 1] == ':')
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base_dir[strlen(base_dir) - 1] = '\0';
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p = strrchr(base_dir, ':'); *p = '\0'; // path to 'Contents'
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p = strrchr(base_dir, ':'); *p = '\0'; // path to bundle
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p = strrchr(base_dir, ':'); *p = '\0'; // path to directory containing bundle
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}
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#endif
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#if (defined(__APPLE__) && defined(__MACH__)) // others?
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chdir(base_dir); // make sure relative hogdir paths work
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#endif
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#if defined(__unix__)
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# if !(defined(__APPLE__) && defined(__MACH__))
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path = "~/.d2x-rebirth/";
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# else
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path = "~/Library/Preferences/D2X Rebirth/";
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# endif
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if (path[0] == '~') // yes, this tilde can be put before non-unix paths.
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{
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const char *home = PHYSFS_getUserDir();
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strcpy(fullPath, home); // prepend home to the path
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path++;
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if (*path == *PHYSFS_getDirSeparator())
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path++;
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strncat(fullPath, path, PATH_MAX + 5 - strlen(home));
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}
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else
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strncpy(fullPath, path, PATH_MAX + 5);
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PHYSFS_setWriteDir(fullPath);
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if (!PHYSFS_getWriteDir())
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{ // need to make it
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char *p;
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char ancestor[PATH_MAX + 5]; // the directory which actually exists
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char child[PATH_MAX + 5]; // the directory relative to the above we're trying to make
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strcpy(ancestor, fullPath);
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while (!PHYSFS_getWriteDir() && ((p = strrchr(ancestor, *PHYSFS_getDirSeparator()))))
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{
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if (p[1] == 0)
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{ // separator at the end (intended here, for safety)
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*p = 0; // kill this separator
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if (!((p = strrchr(ancestor, *PHYSFS_getDirSeparator()))))
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break; // give up, this is (usually) the root directory
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}
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p[1] = 0; // go to parent
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PHYSFS_setWriteDir(ancestor);
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}
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strcpy(child, fullPath + strlen(ancestor));
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for (p = child; (p = strchr(p, *PHYSFS_getDirSeparator())); p++)
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*p = '/';
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PHYSFS_mkdir(child);
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PHYSFS_setWriteDir(fullPath);
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}
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PHYSFS_addToSearchPath(PHYSFS_getWriteDir(), 1);
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#endif
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PHYSFS_addToSearchPath(base_dir, 1);
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InitArgs( argc,argv );
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PHYSFS_removeFromSearchPath(base_dir);
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if (!PHYSFS_getWriteDir())
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{
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PHYSFS_setWriteDir(base_dir);
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if (!PHYSFS_getWriteDir())
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Error("can't set write dir: %s\n", PHYSFS_getLastError());
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else
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PHYSFS_addToSearchPath(PHYSFS_getWriteDir(), 0);
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}
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//tell PHYSFS where hogdir is
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if (GameArg.SysHogDir)
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PHYSFS_addToSearchPath(GameArg.SysHogDir,1);
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#if defined(__unix__)
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else if (!GameArg.SysNoHogDir)
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PHYSFS_addToSearchPath(SHAREPATH, 1);
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#endif
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PHYSFSX_getRealPath("data", fullPath); // 'Data' subdirectory
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PHYSFS_addToSearchPath(fullPath, 1);
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// For Macintosh, add the 'Resources' directory in the .app bundle to the searchpaths
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#if defined(__APPLE__) && defined(__MACH__)
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{
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ProcessSerialNumber psn = { 0, kCurrentProcess };
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FSRef fsref;
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OSStatus err;
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err = GetProcessBundleLocation(&psn, &fsref);
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if (err == noErr)
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err = FSRefMakePath(&fsref, (ubyte *)fullPath, PATH_MAX);
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if (err == noErr)
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{
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strncat(fullPath, "/Contents/Resources/", PATH_MAX + 4 - strlen(fullPath));
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fullPath[PATH_MAX + 4] = '\0';
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PHYSFS_addToSearchPath(fullPath, 1);
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}
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}
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#elif defined(macintosh)
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if (bundle)
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{
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base_dir[strlen(base_dir)] = ':'; // go back in the bundle
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base_dir[strlen(base_dir)] = ':'; // go back in 'Contents'
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strncat(base_dir, ":Resources:", PATH_MAX - 1 - strlen(base_dir));
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base_dir[PATH_MAX - 1] = '\0';
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PHYSFS_addToSearchPath(base_dir, 1);
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}
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#endif
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}
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//Specify the name of the hogfile. Returns 1 if hogfile found & had files
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int PHYSFSX_contfile_init(char *hogname, int add_to_end)
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{
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char hogname2[PATH_MAX], pathname[PATH_MAX];
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snprintf(hogname2, strlen(hogname)+1, "%s", hogname);
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PHYSFSEXT_locateCorrectCase(hogname2);
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if (!PHYSFSX_getRealPath(hogname2, pathname))
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return 0;
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return PHYSFS_addToSearchPath(pathname, add_to_end);
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}
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int PHYSFSX_contfile_close(char *hogname)
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{
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char hogname2[PATH_MAX], pathname[PATH_MAX];
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snprintf(hogname2, strlen(hogname)+1, "%s", hogname);
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PHYSFSEXT_locateCorrectCase(hogname2);
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if (!PHYSFSX_getRealPath(hogname2, pathname))
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return 0;
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return PHYSFS_removeFromSearchPath(pathname);
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}
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int PHYSFSX_fsize(char *hogname)
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{
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PHYSFS_file *fp;
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char hogname2[PATH_MAX];
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int size;
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snprintf(hogname2, strlen(hogname)+1, "%s", hogname);
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PHYSFSEXT_locateCorrectCase(hogname2);
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fp = PHYSFS_openRead(hogname2);
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if (fp == NULL)
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return -1;
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size = PHYSFS_fileLength(fp);
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PHYSFS_close(fp);
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return size;
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}
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void PHYSFSX_listSearchPathContent()
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{
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char **i, **list;
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con_printf(CON_DEBUG, "PHYSFS: Listing contents of Search Path.\n");
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list = PHYSFS_getSearchPath();
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for (i = list; *i != NULL; i++)
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con_printf(CON_DEBUG, "PHYSFS: [%s] is in the Search Sath.\n", *i);
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PHYSFS_freeList(list);
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list = PHYSFS_enumerateFiles("");
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for (i = list; *i != NULL; i++)
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con_printf(CON_DEBUG, "PHYSFS: * We've got [%s].\n", *i);
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PHYSFS_freeList(list);
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con_printf(CON_DEBUG, "\n");
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}
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// checks which archives are supported by PhysFS. Return 0 if some essential (HOG) is not supported
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int PHYSFSX_checkSupportedArchiveTypes()
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{
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const PHYSFS_ArchiveInfo **i;
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int hog_sup = 0, mvl_sup = 0;
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con_printf(CON_DEBUG, "PHYSFS: Checking supported archive types.\n");
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for (i = PHYSFS_supportedArchiveTypes(); *i != NULL; i++)
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{
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con_printf(CON_DEBUG, "PHYSFS: Supported archive: [%s], which is [%s].\n", (*i)->extension, (*i)->description);
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if (!stricmp((*i)->extension, "HOG"))
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hog_sup = 1;
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if (!stricmp((*i)->extension, "MVL"))
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mvl_sup = 1;
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}
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if (!hog_sup)
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con_printf(CON_CRITICAL, "PHYSFS: HOG not supported. The game will not work without!\n");
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if (!mvl_sup)
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con_printf(CON_URGENT, "PHYSFS: MVL not supported. Won't be able to play movies!\n");
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return hog_sup;
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}
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int PHYSFSX_getRealPath(const char *stdPath, char *realPath)
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{
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const char *realDir = PHYSFS_getRealDir(stdPath);
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const char *sep = PHYSFS_getDirSeparator();
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char *p;
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if (!realDir)
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{
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realDir = PHYSFS_getWriteDir();
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if (!realDir)
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return 0;
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}
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strncpy(realPath, realDir, PATH_MAX - 1);
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if (strlen(realPath) >= strlen(sep))
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{
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p = realPath + strlen(realPath) - strlen(sep);
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if (strcmp(p, sep)) // no sep at end of realPath
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strncat(realPath, sep, PATH_MAX - 1 - strlen(realPath));
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}
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if (strlen(stdPath) >= 1)
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if (*stdPath == '/')
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stdPath++;
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while (*stdPath)
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{
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if (*stdPath == '/')
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strncat(realPath, sep, PATH_MAX - 1 - strlen(realPath));
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else
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{
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if (strlen(realPath) < PATH_MAX - 2)
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{
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p = realPath + strlen(realPath);
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p[0] = *stdPath;
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p[1] = '\0';
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}
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}
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stdPath++;
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}
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return 1;
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}
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// checks if path is already added to Searchpath. Returns 0 if yes, 1 if not.
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int PHYSFSX_isNewPath(char *path)
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{
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int is_new_path = 1;
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char **i, **list;
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list = PHYSFS_getSearchPath();
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for (i = list; *i != NULL; i++)
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{
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if (!strcmp(path, *i))
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{
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is_new_path = 0;
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}
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}
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PHYSFS_freeList(list);
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return is_new_path;
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}
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int PHYSFSX_rename(char *oldpath, char *newpath)
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{
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char old[PATH_MAX], new[PATH_MAX];
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PHYSFSX_getRealPath(oldpath, old);
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PHYSFSX_getRealPath(newpath, new);
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return (rename(old, new) == 0);
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}
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// Find files at path that have an extension listed in exts
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// The extension list exts must be NULL-terminated, with each ext beginning with a '.'
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char **PHYSFSX_findFiles(char *path, char **exts)
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{
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char **list = PHYSFS_enumerateFiles(path);
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char **i, **j = list, **k;
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char *ext;
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if (list == NULL)
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return NULL; // out of memory: not so good
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for (i = list; *i; i++)
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{
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ext = strrchr(*i, '.');
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if (ext)
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for (k = exts; *k != NULL && stricmp(ext, *k); k++) {} // see if the file is of a type we want
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if (ext && *k)
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*j++ = *i;
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else
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free(*i);
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}
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*j = NULL;
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list = realloc(list, (j - list + 1)*sizeof(char *)); // save a bit of memory (or a lot?)
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return list;
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}
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// Same function as above but takes a real directory as second argument, only adding files originating from this directory.
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// This can be used to further seperate files in search path but it must be made sure realpath is properly formatted.
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char **PHYSFSX_findabsoluteFiles(char *path, char *realpath, char **exts)
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{
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char **list = PHYSFS_enumerateFiles(path);
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char **i, **j = list, **k;
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char *ext;
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if (list == NULL)
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return NULL; // out of memory: not so good
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for (i = list; *i; i++)
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{
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ext = strrchr(*i, '.');
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if (ext)
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for (k = exts; *k != NULL && stricmp(ext, *k); k++) {} // see if the file is of a type we want
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if (ext && *k && (!strcmp(PHYSFS_getRealDir(*i),realpath)))
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*j++ = *i;
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else
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free(*i);
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}
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*j = NULL;
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list = realloc(list, (j - list + 1)*sizeof(char *)); // save a bit of memory (or a lot?)
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return list;
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}
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#if 0
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// returns -1 if error
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// Gets bytes free in current write dir
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PHYSFS_sint64 PHYSFSX_getFreeDiskSpace()
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{
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#if defined(__linux__) || (defined(__MACH__) && defined(__APPLE__))
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struct statfs sfs;
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if (!statfs(PHYSFS_getWriteDir(), &sfs))
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return (PHYSFS_sint64)(sfs.f_bavail * sfs.f_bsize);
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return -1;
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#else
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return 0x7FFFFFFF;
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#endif
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}
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#endif
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int PHYSFSX_exists(const char *filename, int ignorecase)
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{
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char filename2[PATH_MAX];
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if (!ignorecase)
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return PHYSFS_exists(filename);
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snprintf(filename2, strlen(filename)+1, "%s", filename);
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PHYSFSEXT_locateCorrectCase(filename2);
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return PHYSFS_exists(filename2);
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}
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//Open a file for reading, set up a buffer
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PHYSFS_file *PHYSFSX_openReadBuffered(char *filename)
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{
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PHYSFS_file *fp;
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PHYSFS_uint64 bufSize;
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char filename2[PATH_MAX];
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if (filename[0] == '\x01')
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{
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//FIXME: don't look in dir, only in hogfile
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filename++;
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}
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snprintf(filename2, strlen(filename)+1, "%s", filename);
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PHYSFSEXT_locateCorrectCase(filename2);
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fp = PHYSFS_openRead(filename2);
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if (!fp)
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return NULL;
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bufSize = PHYSFS_fileLength(fp);
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while (!PHYSFS_setBuffer(fp, bufSize) && bufSize)
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bufSize /= 2; // even if the error isn't memory full, for a 20MB file it'll only do this 8 times
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return fp;
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}
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//Open a file for writing, set up a buffer
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PHYSFS_file *PHYSFSX_openWriteBuffered(char *filename)
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{
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PHYSFS_file *fp;
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PHYSFS_uint64 bufSize = 1024*1024; // hmm, seems like an OK size.
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fp = PHYSFS_openWrite(filename);
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if (!fp)
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return NULL;
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while (!PHYSFS_setBuffer(fp, bufSize) && bufSize)
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bufSize /= 2;
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return fp;
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}
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/*
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* Add archives to the game.
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* 1) archives from Sharepath/Data to extend/replace builtin game content
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* 2) archived demos
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*/
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void PHYSFSX_addArchiveContent()
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{
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char **list = NULL;
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char *archive_exts[] = { ".zip", ".7z", NULL }, *file[2];
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int i = 0, content_updated = 0;
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con_printf(CON_DEBUG, "PHYSFS: Adding archives to the game.\n");
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// find files in Searchpath ...
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list = PHYSFSX_findFiles("", archive_exts);
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// if found, add them...
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for (i = 0; list[i] != NULL; i++)
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{
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MALLOC(file[0], char, PATH_MAX);
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MALLOC(file[1], char, PATH_MAX);
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snprintf(file[0], sizeof(char)*PATH_MAX, "%s", list[i]);
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PHYSFSX_getRealPath(file[0],file[1]);
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if (PHYSFS_addToSearchPath(file[1], 0))
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{
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con_printf(CON_DEBUG, "PHYSFS: Added %s to Search Path\n",file[1]);
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content_updated = 1;
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}
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d_free(file[0]);
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d_free(file[1]);
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}
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PHYSFS_freeList(list);
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list = NULL;
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#if PHYSFS_VER_MAJOR >= 2
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// find files in DEMO_DIR ...
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list = PHYSFSX_findFiles(DEMO_DIR, archive_exts);
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// if found, add them...
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for (i = 0; list[i] != NULL; i++)
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{
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MALLOC(file[0], char, PATH_MAX);
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MALLOC(file[1], char, PATH_MAX);
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snprintf(file[0], sizeof(char)*PATH_MAX, "%s%s", DEMO_DIR, list[i]);
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PHYSFSX_getRealPath(file[0],file[1]);
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if (PHYSFS_mount(file[1], DEMO_DIR, 0))
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{
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con_printf(CON_DEBUG, "PHYSFS: Added %s to %s\n",file[1], DEMO_DIR);
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content_updated = 1;
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}
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d_free(file[0]);
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d_free(file[1]);
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}
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#endif
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PHYSFS_freeList(list);
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list = NULL;
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if (content_updated)
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{
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con_printf(CON_DEBUG, "Game content updated!\n");
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PHYSFSX_listSearchPathContent();
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}
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}
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// Removes content added above when quitting game
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void PHYSFSX_removeArchiveContent()
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{
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char **list = NULL;
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char *archive_exts[] = { ".zip", ".7z", NULL }, *file[2];
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int i = 0;
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// find files in Searchpath ...
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list = PHYSFSX_findFiles("", archive_exts);
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// if found, remove them...
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for (i = 0; list[i] != NULL; i++)
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{
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MALLOC(file[0], char, PATH_MAX);
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MALLOC(file[1], char, PATH_MAX);
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snprintf(file[0], sizeof(char)*PATH_MAX, "%s", list[i]);
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PHYSFSX_getRealPath(file[0],file[1]);
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PHYSFS_removeFromSearchPath(file[1]);
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d_free(file[0]);
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d_free(file[1]);
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}
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PHYSFS_freeList(list);
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list = NULL;
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// find files in DEMO_DIR ...
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list = PHYSFSX_findFiles(DEMO_DIR, archive_exts);
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// if found, remove them...
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for (i = 0; list[i] != NULL; i++)
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{
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MALLOC(file[0], char, PATH_MAX);
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MALLOC(file[1], char, PATH_MAX);
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snprintf(file[0], sizeof(char)*PATH_MAX, "%s%s", DEMO_DIR, list[i]);
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PHYSFSX_getRealPath(file[0],file[1]);
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PHYSFS_removeFromSearchPath(file[1]);
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d_free(file[0]);
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d_free(file[1]);
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}
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PHYSFS_freeList(list);
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list = NULL;
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}
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