mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-12-27 11:41:49 +01:00
549 lines
13 KiB
C++
549 lines
13 KiB
C++
/****************************************************************************
|
|
* Snes9x 1.51 Nintendo Wii/Gamecube Port
|
|
*
|
|
* softdev July 2006
|
|
* svpe June 2007
|
|
* crunchy2 May-July 2007
|
|
* Michniewski 2008
|
|
* Tantric 2008-2009
|
|
*
|
|
* filesel.cpp
|
|
*
|
|
* Generic file routines - reading, writing, browsing
|
|
***************************************************************************/
|
|
|
|
#include <gccore.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <wiiuse/wpad.h>
|
|
#include <sys/dir.h>
|
|
#include <malloc.h>
|
|
|
|
#ifdef HW_RVL
|
|
extern "C" {
|
|
#include <di/di.h>
|
|
}
|
|
#endif
|
|
|
|
#include "snes9x.h"
|
|
#include "memmap.h"
|
|
|
|
#include "filebrowser.h"
|
|
#include "snes9xGX.h"
|
|
#include "dvd.h"
|
|
#include "menu.h"
|
|
#include "video.h"
|
|
#include "aram.h"
|
|
#include "networkop.h"
|
|
#include "fileop.h"
|
|
#include "memcardop.h"
|
|
#include "input.h"
|
|
#include "gcunzip.h"
|
|
#include "cheatmgr.h"
|
|
#include "patch.h"
|
|
#include "freeze.h"
|
|
#include "sram.h"
|
|
|
|
BROWSERINFO browser;
|
|
BROWSERENTRY * browserList = NULL; // list of files/folders in browser
|
|
|
|
char rootdir[10];
|
|
static char szpath[MAXPATHLEN];
|
|
static bool inSz = false;
|
|
|
|
unsigned long SNESROMSize = 0;
|
|
|
|
/****************************************************************************
|
|
* autoLoadMethod()
|
|
* Auto-determines and sets the load method
|
|
* Returns method set
|
|
****************************************************************************/
|
|
int autoLoadMethod()
|
|
{
|
|
ShowAction ("Attempting to determine load method...");
|
|
|
|
int method = METHOD_AUTO;
|
|
|
|
if(ChangeInterface(METHOD_SD, SILENT))
|
|
method = METHOD_SD;
|
|
else if(ChangeInterface(METHOD_USB, SILENT))
|
|
method = METHOD_USB;
|
|
else if(ChangeInterface(METHOD_DVD, SILENT))
|
|
method = METHOD_DVD;
|
|
else if(ChangeInterface(METHOD_SMB, SILENT))
|
|
method = METHOD_SMB;
|
|
else
|
|
ErrorPrompt("Unable to auto-determine load method!");
|
|
|
|
if(GCSettings.LoadMethod == METHOD_AUTO)
|
|
GCSettings.LoadMethod = method; // save method found for later use
|
|
CancelAction();
|
|
return method;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* autoSaveMethod()
|
|
* Auto-determines and sets the save method
|
|
* Returns method set
|
|
****************************************************************************/
|
|
int autoSaveMethod(bool silent)
|
|
{
|
|
if(!silent)
|
|
ShowAction ("Attempting to determine save method...");
|
|
|
|
int method = METHOD_AUTO;
|
|
|
|
if(ChangeInterface(METHOD_SD, SILENT))
|
|
method = METHOD_SD;
|
|
else if(ChangeInterface(METHOD_USB, SILENT))
|
|
method = METHOD_USB;
|
|
else if(ChangeInterface(METHOD_MC_SLOTA, SILENT))
|
|
method = METHOD_MC_SLOTA;
|
|
else if(ChangeInterface(METHOD_MC_SLOTB, SILENT))
|
|
method = METHOD_MC_SLOTB;
|
|
else if(ChangeInterface(METHOD_SMB, SILENT))
|
|
method = METHOD_SMB;
|
|
else if(!silent)
|
|
ErrorPrompt("Unable to auto-determine save method!");
|
|
|
|
if(GCSettings.SaveMethod == METHOD_AUTO)
|
|
GCSettings.SaveMethod = method; // save method found for later use
|
|
|
|
CancelAction();
|
|
return method;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* ResetBrowser()
|
|
* Clears the file browser memory, and allocates one initial entry
|
|
***************************************************************************/
|
|
void ResetBrowser()
|
|
{
|
|
browser.numEntries = 0;
|
|
browser.selIndex = 0;
|
|
browser.pageIndex = 0;
|
|
|
|
// Clear any existing values
|
|
if(browserList != NULL)
|
|
{
|
|
free(browserList);
|
|
browserList = NULL;
|
|
}
|
|
// set aside space for 1 entry
|
|
browserList = (BROWSERENTRY *)malloc(sizeof(BROWSERENTRY));
|
|
memset(browserList, 0, sizeof(BROWSERENTRY));
|
|
}
|
|
|
|
/****************************************************************************
|
|
* UpdateDirName()
|
|
* Update curent directory name for file browser
|
|
***************************************************************************/
|
|
int UpdateDirName(int method)
|
|
{
|
|
int size=0;
|
|
char * test;
|
|
char temp[1024];
|
|
|
|
// update DVD directory
|
|
if(method == METHOD_DVD)
|
|
SetDVDdirectory(browserList[browser.selIndex].offset, browserList[browser.selIndex].length);
|
|
|
|
/* current directory doesn't change */
|
|
if (strcmp(browserList[browser.selIndex].filename,".") == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
/* go up to parent directory */
|
|
else if (strcmp(browserList[browser.selIndex].filename,"..") == 0)
|
|
{
|
|
/* determine last subdirectory namelength */
|
|
sprintf(temp,"%s",browser.dir);
|
|
test = strtok(temp,"/");
|
|
while (test != NULL)
|
|
{
|
|
size = strlen(test);
|
|
test = strtok(NULL,"/");
|
|
}
|
|
|
|
/* remove last subdirectory name */
|
|
size = strlen(browser.dir) - size - 1;
|
|
browser.dir[size] = 0;
|
|
|
|
return 1;
|
|
}
|
|
/* Open a directory */
|
|
else
|
|
{
|
|
/* test new directory namelength */
|
|
if ((strlen(browser.dir)+1+strlen(browserList[browser.selIndex].filename)) < MAXPATHLEN)
|
|
{
|
|
/* update current directory name */
|
|
sprintf(browser.dir, "%s/%s",browser.dir, browserList[browser.selIndex].filename);
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
ErrorPrompt("Directory name is too long!");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool MakeFilePath(char filepath[], int type, int method, char * filename, int filenum)
|
|
{
|
|
char file[512];
|
|
char folder[1024];
|
|
char ext[4];
|
|
char temppath[MAXPATHLEN];
|
|
|
|
if(type == FILE_ROM)
|
|
{
|
|
// Check path length
|
|
if ((strlen(browser.dir)+1+strlen(browserList[browser.selIndex].filename)) >= MAXPATHLEN)
|
|
{
|
|
ErrorPrompt("Maximum filepath length reached!");
|
|
filepath[0] = 0;
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
sprintf(temppath, "%s/%s",browser.dir,browserList[browser.selIndex].filename);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch(type)
|
|
{
|
|
case FILE_SRAM:
|
|
case FILE_SNAPSHOT:
|
|
sprintf(folder, GCSettings.SaveFolder);
|
|
|
|
if(type == FILE_SRAM) sprintf(ext, "srm");
|
|
else sprintf(ext, "frz");
|
|
|
|
if(filenum >= 0)
|
|
{
|
|
if(method == METHOD_MC_SLOTA || method == METHOD_MC_SLOTB)
|
|
{
|
|
filename[26] = 0; // truncate filename
|
|
sprintf(file, "%s%i.%s", filename, filenum, ext);
|
|
}
|
|
else
|
|
{
|
|
if(filenum == 0)
|
|
sprintf(file, "%s Auto.%s", filename, ext);
|
|
else
|
|
sprintf(file, "%s %i.%s", filename, filenum, ext);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sprintf(file, "%s", filename);
|
|
}
|
|
break;
|
|
case FILE_CHEAT:
|
|
sprintf(folder, GCSettings.CheatFolder);
|
|
sprintf(file, "%s.cht", Memory.ROMFilename);
|
|
break;
|
|
case FILE_PREF:
|
|
sprintf(folder, appPath);
|
|
sprintf(file, "%s", PREF_FILE_NAME);
|
|
break;
|
|
case FILE_SCREEN:
|
|
sprintf(folder, GCSettings.SaveFolder);
|
|
sprintf(file, "%s.png", Memory.ROMFilename);
|
|
break;
|
|
}
|
|
switch(method)
|
|
{
|
|
case METHOD_MC_SLOTA:
|
|
case METHOD_MC_SLOTB:
|
|
sprintf (temppath, "%s", file);
|
|
temppath[31] = 0; // truncate filename
|
|
break;
|
|
default:
|
|
sprintf (temppath, "%s/%s", folder, file);
|
|
break;
|
|
}
|
|
}
|
|
strncpy(filepath, temppath, MAXPATHLEN);
|
|
return true;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* FileSortCallback
|
|
*
|
|
* Quick sort callback to sort file entries with the following order:
|
|
* .
|
|
* ..
|
|
* <dirs>
|
|
* <files>
|
|
***************************************************************************/
|
|
int FileSortCallback(const void *f1, const void *f2)
|
|
{
|
|
/* Special case for implicit directories */
|
|
if(((BROWSERENTRY *)f1)->filename[0] == '.' || ((BROWSERENTRY *)f2)->filename[0] == '.')
|
|
{
|
|
if(strcmp(((BROWSERENTRY *)f1)->filename, ".") == 0) { return -1; }
|
|
if(strcmp(((BROWSERENTRY *)f2)->filename, ".") == 0) { return 1; }
|
|
if(strcmp(((BROWSERENTRY *)f1)->filename, "..") == 0) { return -1; }
|
|
if(strcmp(((BROWSERENTRY *)f2)->filename, "..") == 0) { return 1; }
|
|
}
|
|
|
|
/* If one is a file and one is a directory the directory is first. */
|
|
if(((BROWSERENTRY *)f1)->isdir && !(((BROWSERENTRY *)f2)->isdir)) return -1;
|
|
if(!(((BROWSERENTRY *)f1)->isdir) && ((BROWSERENTRY *)f2)->isdir) return 1;
|
|
|
|
return stricmp(((BROWSERENTRY *)f1)->filename, ((BROWSERENTRY *)f2)->filename);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* IsValidROM
|
|
*
|
|
* Checks if the specified file is a valid ROM
|
|
* For now we will just check the file extension and file size
|
|
* If the file is a zip, we will check the file extension / file size of the
|
|
* first file inside
|
|
***************************************************************************/
|
|
|
|
static bool IsValidROM(int method)
|
|
{
|
|
// file size should be between 96K and 8MB
|
|
if(browserList[browser.selIndex].length < (1024*96) ||
|
|
browserList[browser.selIndex].length > Memory.MAX_ROM_SIZE)
|
|
{
|
|
ErrorPrompt("Invalid file size!");
|
|
return false;
|
|
}
|
|
|
|
if (strlen(browserList[browser.selIndex].filename) > 4)
|
|
{
|
|
char * p = strrchr(browserList[browser.selIndex].filename, '.');
|
|
|
|
if (p != NULL)
|
|
{
|
|
if(stricmp(p, ".zip") == 0 && !inSz)
|
|
{
|
|
// we need to check the file extension of the first file in the archive
|
|
char * zippedFilename = GetFirstZipFilename (method);
|
|
|
|
if(zippedFilename == NULL) // we don't want to run strlen on NULL
|
|
p = NULL;
|
|
else if(strlen(zippedFilename) > 4)
|
|
p = strrchr(zippedFilename, '.');
|
|
else
|
|
p = NULL;
|
|
}
|
|
|
|
if(p != NULL)
|
|
{
|
|
if (stricmp(p, ".smc") == 0 ||
|
|
stricmp(p, ".fig") == 0 ||
|
|
stricmp(p, ".sfc") == 0 ||
|
|
stricmp(p, ".swc") == 0)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
ErrorPrompt("Unknown file type!");
|
|
return false;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* IsSz
|
|
*
|
|
* Checks if the specified file is a 7z
|
|
***************************************************************************/
|
|
|
|
bool IsSz()
|
|
{
|
|
if (strlen(browserList[browser.selIndex].filename) > 4)
|
|
{
|
|
char * p = strrchr(browserList[browser.selIndex].filename, '.');
|
|
|
|
if (p != NULL)
|
|
if(stricmp(p, ".7z") == 0)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* StripExt
|
|
*
|
|
* Strips an extension from a filename
|
|
***************************************************************************/
|
|
|
|
void StripExt(char* returnstring, char * inputstring)
|
|
{
|
|
char* loc_dot;
|
|
|
|
strncpy (returnstring, inputstring, 255);
|
|
|
|
if(inputstring == NULL || strlen(inputstring) < 4)
|
|
return;
|
|
|
|
loc_dot = strrchr(returnstring,'.');
|
|
if (loc_dot != NULL)
|
|
*loc_dot = 0; // strip file extension
|
|
}
|
|
|
|
// 7z file - let's open it up to select a file inside
|
|
int BrowserLoadSz(int method)
|
|
{
|
|
char filepath[MAXPATHLEN];
|
|
memset(filepath, 0, MAXPATHLEN);
|
|
|
|
// we'll store the 7z filepath for extraction later
|
|
if(!MakeFilePath(szpath, FILE_ROM, method))
|
|
return 0;
|
|
|
|
// add device to filepath
|
|
sprintf(filepath, "%s%s", rootdir, szpath);
|
|
memcpy(szpath, filepath, MAXPATHLEN);
|
|
|
|
int szfiles = SzParse(szpath, method);
|
|
if(szfiles)
|
|
{
|
|
browser.numEntries = szfiles;
|
|
inSz = true;
|
|
}
|
|
else
|
|
ErrorPrompt("Error opening archive!");
|
|
|
|
return szfiles;
|
|
}
|
|
|
|
int BrowserLoadFile(int method)
|
|
{
|
|
char filepath[1024];
|
|
int loaded = 0;
|
|
|
|
// check that this is a valid ROM
|
|
if(!IsValidROM(method))
|
|
goto done;
|
|
|
|
// store the filename (w/o ext) - used for sram/freeze naming
|
|
StripExt(Memory.ROMFilename, browserList[browser.selIndex].filename);
|
|
|
|
SNESROMSize = 0;
|
|
|
|
if(!inSz)
|
|
{
|
|
if(!MakeFilePath(filepath, FILE_ROM, method))
|
|
goto done;
|
|
|
|
SNESROMSize = LoadFile ((char *)Memory.ROM, filepath, browserList[browser.selIndex].length, method, NOTSILENT);
|
|
}
|
|
else
|
|
{
|
|
switch (method)
|
|
{
|
|
case METHOD_DVD:
|
|
SNESROMSize = SzExtractFile(browserList[browser.selIndex].offset, (unsigned char *)Memory.ROM);
|
|
break;
|
|
default:
|
|
SNESROMSize = LoadSzFile(szpath, (unsigned char *)Memory.ROM);
|
|
break;
|
|
}
|
|
}
|
|
inSz = false;
|
|
|
|
if (SNESROMSize <= 0)
|
|
{
|
|
ErrorPrompt("Error loading ROM!");
|
|
}
|
|
else
|
|
{
|
|
// load UPS/IPS/PPF patch
|
|
LoadPatch(GCSettings.LoadMethod);
|
|
|
|
Memory.LoadROM ("BLANK.SMC");
|
|
Memory.LoadSRAM ("BLANK");
|
|
|
|
// load SRAM or snapshot
|
|
if (GCSettings.AutoLoad == 1)
|
|
LoadSRAMAuto(GCSettings.SaveMethod, SILENT);
|
|
else if (GCSettings.AutoLoad == 2)
|
|
NGCUnfreezeGameAuto(GCSettings.SaveMethod, SILENT);
|
|
|
|
// setup cheats
|
|
if(GCSettings.SaveMethod != METHOD_MC_SLOTA &&
|
|
GCSettings.SaveMethod != METHOD_MC_SLOTB)
|
|
SetupCheats();
|
|
|
|
ResetBrowser();
|
|
loaded = 1;
|
|
}
|
|
done:
|
|
CancelAction();
|
|
return loaded;
|
|
}
|
|
|
|
/* update current directory and set new entry list if directory has changed */
|
|
int BrowserChangeFolder(int method)
|
|
{
|
|
if(inSz && browser.selIndex == 0) // inside a 7z, requesting to leave
|
|
{
|
|
if(method == METHOD_DVD)
|
|
SetDVDdirectory(browserList[0].offset, browserList[0].length);
|
|
|
|
inSz = false;
|
|
SzClose();
|
|
}
|
|
|
|
if(!UpdateDirName(method))
|
|
return -1;
|
|
|
|
switch (method)
|
|
{
|
|
case METHOD_DVD:
|
|
ParseDVDdirectory();
|
|
break;
|
|
|
|
default:
|
|
ParseDirectory(method);
|
|
break;
|
|
}
|
|
|
|
if (!browser.numEntries)
|
|
{
|
|
ErrorPrompt("Error reading directory!");
|
|
}
|
|
|
|
return browser.numEntries;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* OpenROM
|
|
* Displays a list of ROMS on load device
|
|
***************************************************************************/
|
|
|
|
int
|
|
OpenGameList ()
|
|
{
|
|
int method = GCSettings.LoadMethod;
|
|
|
|
if(method == METHOD_AUTO)
|
|
method = autoLoadMethod();
|
|
|
|
// change current dir to roms directory
|
|
switch(method)
|
|
{
|
|
case METHOD_DVD:
|
|
browser.dir[0] = 0;
|
|
if(MountDVD(NOTSILENT))
|
|
if(ParseDVDdirectory()) // Parse root directory
|
|
SwitchDVDFolder(GCSettings.LoadFolder); // switch to ROM folder
|
|
break;
|
|
default:
|
|
sprintf(browser.dir, "/%s", GCSettings.LoadFolder);
|
|
ParseDirectory(method); // Parse root directory
|
|
break;
|
|
}
|
|
return browser.numEntries;
|
|
}
|