mirror of
https://github.com/dborth/fceugx.git
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732 lines
18 KiB
C
732 lines
18 KiB
C
/****************************************************************************
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* FCE Ultra 0.98.12
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* Nintendo Wii/Gamecube Port
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*
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* Tantric September 2008
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*
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* filesel.c
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*
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* Generic file routines - reading, writing, browsing
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****************************************************************************/
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#include <gccore.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wiiuse/wpad.h>
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#include <sys/dir.h>
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#ifdef WII_DVD
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#include <di/di.h>
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#endif
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#include "common.h"
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#include "fceuconfig.h"
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#include "dvd.h"
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#include "menudraw.h"
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#include "filesel.h"
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#include "smbop.h"
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#include "fileop.h"
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#include "memcardop.h"
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#include "pad.h"
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#include "fceuload.h"
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#include "gcunzip.h"
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int offset;
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int selection;
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char currentdir[MAXPATHLEN];
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char szpath[MAXPATHLEN];
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char romFilename[200];
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int nesGameType;
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int maxfiles;
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extern int screenheight;
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// Global file entry table
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FILEENTRIES filelist[MAXFILES];
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bool inSz = false;
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unsigned char savebuffer[SAVEBUFFERSIZE];
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/****************************************************************************
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* Clear the savebuffer
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****************************************************************************/
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void
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ClearSaveBuffer ()
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{
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memset (savebuffer, 0, SAVEBUFFERSIZE);
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}
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/****************************************************************************
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* autoLoadMethod()
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* Auto-determines and sets the load method
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* Returns method set
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****************************************************************************/
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int autoLoadMethod()
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{
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ShowAction ((char*) "Attempting to determine load method...");
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if(ChangeFATInterface(METHOD_SD, SILENT))
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return METHOD_SD;
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else if(ChangeFATInterface(METHOD_USB, SILENT))
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return METHOD_USB;
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else if(TestDVD())
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return METHOD_DVD;
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else if(ConnectShare (SILENT))
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return METHOD_SMB;
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else
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{
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WaitPrompt((char*) "Unable to auto-determine load method!");
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return 0; // no method found
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}
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}
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/****************************************************************************
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* autoSaveMethod()
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* Auto-determines and sets the save method
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* Returns method set
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****************************************************************************/
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int autoSaveMethod()
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{
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ShowAction ((char*) "Attempting to determine save method...");
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if(ChangeFATInterface(METHOD_SD, SILENT))
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return METHOD_SD;
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else if(ChangeFATInterface(METHOD_USB, SILENT))
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return METHOD_USB;
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else if(TestCard(CARD_SLOTA, SILENT))
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return METHOD_MC_SLOTA;
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else if(TestCard(CARD_SLOTB, SILENT))
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return METHOD_MC_SLOTB;
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else if(ConnectShare (SILENT))
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return METHOD_SMB;
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else
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{
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WaitPrompt((char*) "Unable to auto-determine save method!");
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return 0; // no method found
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}
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}
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/***************************************************************************
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* Update curent directory name
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***************************************************************************/
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int UpdateDirName(int method)
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{
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int size=0;
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char *test;
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char temp[1024];
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// update DVD directory (does not utilize 'currentdir')
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if(method == METHOD_DVD)
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{
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dvddir = filelist[selection].offset;
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dvddirlength = filelist[selection].length;
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return 1;
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}
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/* current directory doesn't change */
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if (strcmp(filelist[selection].filename,".") == 0)
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{
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return 0;
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}
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/* go up to parent directory */
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else if (strcmp(filelist[selection].filename,"..") == 0)
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{
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/* determine last subdirectory namelength */
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sprintf(temp,"%s",currentdir);
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test = strtok(temp,"/");
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while (test != NULL)
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{
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size = strlen(test);
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test = strtok(NULL,"/");
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}
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/* remove last subdirectory name */
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size = strlen(currentdir) - size - 1;
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currentdir[size] = 0;
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return 1;
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}
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/* Open a directory */
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else
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{
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/* test new directory namelength */
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if ((strlen(currentdir)+1+strlen(filelist[selection].filename)) < MAXPATHLEN)
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{
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/* update current directory name */
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sprintf(currentdir, "%s/%s",currentdir, filelist[selection].filename);
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return 1;
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}
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else
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{
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WaitPrompt((char*)"Directory name is too long !");
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return -1;
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}
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}
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}
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bool MakeROMPath(char filepath[], int method)
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{
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char temppath[MAXPATHLEN];
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// Check filename length
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if ((strlen(currentdir)+1+strlen(filelist[selection].filename)) < MAXPATHLEN)
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{
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sprintf(temppath, "%s/%s",currentdir,filelist[selection].filename);
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if(method == METHOD_SMB)
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strcpy(filepath, SMBPath(temppath));
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else
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strcpy(filepath, temppath);
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return true;
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}
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else
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{
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filepath[0] = 0;
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return false;
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}
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}
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/***************************************************************************
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* FileSortCallback
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*
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* Quick sort callback to sort file entries with the following order:
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* .
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* ..
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* <dirs>
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* <files>
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***************************************************************************/
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int FileSortCallback(const void *f1, const void *f2)
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{
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/* Special case for implicit directories */
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if(((FILEENTRIES *)f1)->filename[0] == '.' || ((FILEENTRIES *)f2)->filename[0] == '.')
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{
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if(strcmp(((FILEENTRIES *)f1)->filename, ".") == 0) { return -1; }
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if(strcmp(((FILEENTRIES *)f2)->filename, ".") == 0) { return 1; }
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if(strcmp(((FILEENTRIES *)f1)->filename, "..") == 0) { return -1; }
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if(strcmp(((FILEENTRIES *)f2)->filename, "..") == 0) { return 1; }
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}
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/* If one is a file and one is a directory the directory is first. */
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if(((FILEENTRIES *)f1)->flags && !(((FILEENTRIES *)f2)->flags)) return -1;
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if(!(((FILEENTRIES *)f1)->flags) && ((FILEENTRIES *)f2)->flags) return 1;
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return stricmp(((FILEENTRIES *)f1)->filename, ((FILEENTRIES *)f2)->filename);
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}
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/****************************************************************************
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* IsValidROM
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*
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* Checks if the specified file is a valid ROM
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* For now we will just check the file extension and file size
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* If the file is a zip, we will check the file extension / file size of the
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* first file inside
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***************************************************************************/
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bool IsValidROM(int method)
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{
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// file size should be between 10K and 3MB
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if(filelist[selection].length < (1024*10) ||
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filelist[selection].length > (1024*1024*3))
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{
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WaitPrompt((char *)"Invalid file size!");
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return false;
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}
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if (strlen(filelist[selection].filename) > 4)
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{
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char * p = strrchr(filelist[selection].filename, '.');
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if (p != NULL)
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{
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if(stricmp(p, ".zip") == 0 && !inSz)
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{
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// we need to check the file extension of the first file in the archive
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char * zippedFilename = GetFirstZipFilename (method);
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if(zippedFilename == NULL) // we don't want to run strlen on NULL
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p = NULL;
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else if(strlen(zippedFilename) > 4)
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p = strrchr(zippedFilename, '.');
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else
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p = NULL;
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}
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if(p != NULL)
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{
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if (
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stricmp(p, ".nes") == 0 ||
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stricmp(p, ".fds") == 0 ||
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stricmp(p, ".nsf") == 0 ||
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stricmp(p, ".unf") == 0 ||
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stricmp(p, ".nez") == 0 ||
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stricmp(p, ".unif") == 0
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)
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{
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return true;
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}
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}
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}
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}
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WaitPrompt((char *)"Unknown file type!");
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return false;
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}
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/****************************************************************************
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* IsSz
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*
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* Checks if the specified file is a 7z
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***************************************************************************/
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bool IsSz()
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{
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if (strlen(filelist[selection].filename) > 4)
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{
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char * p = strrchr(filelist[selection].filename, '.');
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if (p != NULL)
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if(stricmp(p, ".7z") == 0)
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return true;
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}
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return false;
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}
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/****************************************************************************
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* StripExt
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*
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* Strips an extension from a filename
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****************************************************************************/
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void StripExt(char* returnstring, char * inputstring)
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{
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char* loc_dot;
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strcpy (returnstring, inputstring);
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loc_dot = strrchr(returnstring,'.');
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if (loc_dot != NULL)
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*loc_dot = '\0'; // strip file extension
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}
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/****************************************************************************
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* FileSelector
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*
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* Let user select a file from the listing
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****************************************************************************/
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int FileSelector (int method)
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{
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u32 p = 0;
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u32 wp = 0;
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u32 ph = 0;
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u32 wh = 0;
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signed char gc_ay = 0;
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signed char gc_sx = 0;
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signed char wm_ay = 0;
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signed char wm_sx = 0;
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int haverom = 0;
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int redraw = 1;
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int selectit = 0;
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int scroll_delay = 0;
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bool move_selection = 0;
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#define SCROLL_INITIAL_DELAY 15
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#define SCROLL_LOOP_DELAY 2
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while (haverom == 0)
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{
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if (redraw)
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ShowFiles (filelist, maxfiles, offset, selection);
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redraw = 0;
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VIDEO_WaitVSync(); // slow things down a bit so we don't overread the pads
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gc_ay = PAD_StickY (0);
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gc_sx = PAD_SubStickX (0);
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p = PAD_ButtonsDown (0);
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ph = PAD_ButtonsHeld (0);
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#ifdef HW_RVL
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wm_ay = WPAD_StickY (0, 0);
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wm_sx = WPAD_StickX (0, 1);
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wp = WPAD_ButtonsDown (0);
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wh = WPAD_ButtonsHeld (0);
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#endif
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/*** Check for exit combo ***/
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if ( (gc_sx < -70) || (wm_sx < -70) || (wp & WPAD_BUTTON_HOME) || (wp & WPAD_CLASSIC_BUTTON_HOME) )
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return 0;
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/*** Check buttons, perform actions ***/
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if ( (p & PAD_BUTTON_A) || selectit || (wp & (WPAD_BUTTON_A | WPAD_CLASSIC_BUTTON_A)) )
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{
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if ( selectit )
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selectit = 0;
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if (filelist[selection].flags) // This is directory
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{
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/* update current directory and set new entry list if directory has changed */
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int status;
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if(inSz && selection == 0) // inside a 7z, requesting to leave
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{
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if(method == METHOD_DVD)
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{
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// go to directory the 7z was in
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dvddir = filelist[0].offset;
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dvddirlength = filelist[0].length;
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}
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inSz = false;
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status = 1;
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SzClose();
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}
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else
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{
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status = UpdateDirName(method);
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}
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if (status == 1) // ok, open directory
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{
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switch (method)
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{
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case METHOD_SD:
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case METHOD_USB:
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maxfiles = ParseFATdirectory(method);
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break;
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case METHOD_DVD:
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maxfiles = ParseDVDdirectory();
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break;
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case METHOD_SMB:
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maxfiles = ParseSMBdirectory();
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break;
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}
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if (!maxfiles)
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{
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WaitPrompt ((char*) "Error reading directory !");
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haverom = 1; // quit menu
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}
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}
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else if (status == -1) // directory name too long
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{
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haverom = 1; // quit menu
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}
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}
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else // this is a file
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{
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// 7z file - let's open it up to select a file inside
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if(IsSz())
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{
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// we'll store the 7z filepath for extraction later
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if(!MakeROMPath(szpath, method))
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{
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WaitPrompt((char*) "Maximum filepath length reached!");
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return -1;
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}
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int szfiles = SzParse(szpath, method);
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if(szfiles)
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{
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maxfiles = szfiles;
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inSz = true;
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}
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else
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WaitPrompt((char*) "Error opening archive!");
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}
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else
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{
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// check that this is a valid ROM
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if(!IsValidROM(method))
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return 0;
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// store the filename (w/o ext) - used for state saving
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StripExt(romFilename, filelist[selection].filename);
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ShowAction ((char *)"Loading...");
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int size = 0;
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switch (method)
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{
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case METHOD_SD:
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case METHOD_USB:
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if(inSz)
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size = LoadFATSzFile(szpath, nesrom);
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else
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size = LoadFATFile((char *)nesrom, 0);
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break;
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case METHOD_DVD:
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if(inSz)
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size = SzExtractFile(filelist[selection].offset, nesrom);
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else
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size = LoadDVDFile(nesrom, 0);
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break;
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case METHOD_SMB:
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if(inSz)
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size = LoadSMBSzFile(szpath, nesrom);
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else
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size = LoadSMBFile((char *)nesrom, 0);
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break;
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}
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inSz = false;
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if (size > 0)
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{
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if(GCMemROM(method, size) > 0)
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return 1;
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else
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return 0;
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}
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else
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{
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WaitPrompt((char*) "Error loading ROM!");
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return 0;
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}
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}
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}
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redraw = 1;
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} // End of A
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if ( (p & PAD_BUTTON_B) || (wp & (WPAD_BUTTON_B | WPAD_CLASSIC_BUTTON_B)) )
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{
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while ( (PAD_ButtonsDown(0) & PAD_BUTTON_B)
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#ifdef HW_RVL
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|| (WPAD_ButtonsDown(0) & (WPAD_BUTTON_B | WPAD_CLASSIC_BUTTON_B))
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#endif
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)
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VIDEO_WaitVSync();
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if ( strcmp(filelist[0].filename,"..") == 0 )
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{
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selection = 0;
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selectit = 1;
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}
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else if ( strcmp(filelist[1].filename,"..") == 0 )
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{
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selection = selectit = 1;
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} else
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{
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return 0;
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}
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} // End of B
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if ( ((p | ph) & PAD_BUTTON_DOWN) || ((wp | wh) & (WPAD_BUTTON_DOWN | WPAD_CLASSIC_BUTTON_DOWN)) || (gc_ay < -PADCAL) || (wm_ay < -PADCAL) )
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{
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if ( (p & PAD_BUTTON_DOWN) || (wp & (WPAD_BUTTON_DOWN | WPAD_CLASSIC_BUTTON_DOWN)) ) { /*** Button just pressed ***/
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scroll_delay = SCROLL_INITIAL_DELAY; // reset scroll delay.
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move_selection = 1; //continue (move selection)
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}
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else if (scroll_delay == 0) { /*** Button is held ***/
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scroll_delay = SCROLL_LOOP_DELAY;
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move_selection = 1; //continue (move selection)
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} else {
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scroll_delay--; // wait
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}
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if (move_selection)
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{
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selection++;
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if (selection == maxfiles)
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selection = offset = 0;
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if ((selection - offset) >= PAGESIZE)
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offset += PAGESIZE;
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redraw = 1;
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move_selection = 0;
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}
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} // End of down
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if ( ((p | ph) & PAD_BUTTON_UP) || ((wp | wh) & (WPAD_BUTTON_UP | WPAD_CLASSIC_BUTTON_UP)) || (gc_ay > PADCAL) || (wm_ay > PADCAL) )
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{
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if ( (p & PAD_BUTTON_UP) || (wp & (WPAD_BUTTON_UP | WPAD_CLASSIC_BUTTON_UP)) ) { /*** Button just pressed***/
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scroll_delay = SCROLL_INITIAL_DELAY; // reset scroll delay.
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move_selection = 1; //continue (move selection)
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}
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else if (scroll_delay == 0) { /*** Button is held ***/
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scroll_delay = SCROLL_LOOP_DELAY;
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move_selection = 1; //continue (move selection)
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} else {
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scroll_delay--; // wait
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}
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if (move_selection)
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{
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selection--;
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if (selection < 0) {
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selection = maxfiles - 1;
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offset = selection - PAGESIZE + 1;
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}
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if (selection < offset)
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offset -= PAGESIZE;
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if (offset < 0)
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offset = 0;
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redraw = 1;
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move_selection = 0;
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}
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} // End of Up
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if ( (p & PAD_BUTTON_LEFT) || (wp & (WPAD_BUTTON_LEFT | WPAD_CLASSIC_BUTTON_LEFT)) )
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{
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/*** Go back a page ***/
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selection -= PAGESIZE;
|
|
if (selection < 0)
|
|
{
|
|
selection = maxfiles - 1;
|
|
offset = selection - PAGESIZE + 1;
|
|
}
|
|
if (selection < offset)
|
|
offset -= PAGESIZE;
|
|
if (offset < 0)
|
|
offset = 0;
|
|
redraw = 1;
|
|
}
|
|
if ( (p & PAD_BUTTON_RIGHT) || (wp & (WPAD_BUTTON_RIGHT | WPAD_CLASSIC_BUTTON_RIGHT)) )
|
|
{
|
|
/*** Go forward a page ***/
|
|
selection += PAGESIZE;
|
|
if (selection > maxfiles - 1)
|
|
selection = offset = 0;
|
|
if ((selection - offset) >= PAGESIZE)
|
|
offset += PAGESIZE;
|
|
redraw = 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* OpenDVD
|
|
*
|
|
* Function to load a DVD directory and display to user.
|
|
****************************************************************************/
|
|
int
|
|
OpenDVD (int method)
|
|
{
|
|
if (!getpvd())
|
|
{
|
|
ShowAction((char*) "Loading DVD...");
|
|
#ifdef HW_DOL
|
|
DVD_Mount(); // mount the DVD unit again
|
|
#elif WII_DVD
|
|
u32 val;
|
|
DI_GetCoverRegister(&val);
|
|
if(val & 0x1) // True if no disc inside, use (val & 0x2) for true if disc inside.
|
|
{
|
|
WaitPrompt((char *)"No disc inserted!");
|
|
return 0;
|
|
}
|
|
DI_Mount();
|
|
while(DI_GetStatus() & DVD_INIT);
|
|
#endif
|
|
|
|
if (!getpvd())
|
|
{
|
|
WaitPrompt ((char *)"Invalid DVD.");
|
|
return 0; // not a ISO9660 DVD
|
|
}
|
|
}
|
|
|
|
maxfiles = ParseDVDdirectory(); // load root folder
|
|
|
|
// switch to rom folder
|
|
SwitchDVDFolder(GCSettings.LoadFolder);
|
|
|
|
if (maxfiles > 0)
|
|
{
|
|
return FileSelector (method);
|
|
}
|
|
else
|
|
{
|
|
// no entries found
|
|
WaitPrompt ((char *)"No Files Found!");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* OpenSMB
|
|
*
|
|
* Function to load from an SMB share
|
|
****************************************************************************/
|
|
int
|
|
OpenSMB (int method)
|
|
{
|
|
// Connect to network share
|
|
if(ConnectShare (NOTSILENT))
|
|
{
|
|
// change current dir to root dir
|
|
sprintf(currentdir, "/%s", GCSettings.LoadFolder);
|
|
|
|
maxfiles = ParseSMBdirectory ();
|
|
if (maxfiles > 0)
|
|
{
|
|
return FileSelector (method);
|
|
}
|
|
else
|
|
{
|
|
// no entries found
|
|
WaitPrompt ((char *)"No Files Found!");
|
|
return 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* OpenFAT
|
|
*
|
|
* Function to load from FAT
|
|
****************************************************************************/
|
|
int
|
|
OpenFAT (int method)
|
|
{
|
|
if(ChangeFATInterface(method, NOTSILENT))
|
|
{
|
|
// change current dir to snes roms directory
|
|
sprintf ( currentdir, "%s/%s", ROOTFATDIR, GCSettings.LoadFolder );
|
|
|
|
// Parse initial root directory and get entries list
|
|
maxfiles = ParseFATdirectory (method);
|
|
if (maxfiles > 0)
|
|
{
|
|
// Select an entry
|
|
return FileSelector (method);
|
|
}
|
|
else
|
|
{
|
|
// no entries found
|
|
WaitPrompt ((char *)"No Files Found!");
|
|
return 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* OpenROM
|
|
* Opens device specified by method, displays a list of ROMS
|
|
****************************************************************************/
|
|
|
|
int
|
|
OpenROM (int method)
|
|
{
|
|
int loadROM = 0;
|
|
|
|
if(method == METHOD_AUTO)
|
|
method = autoLoadMethod();
|
|
|
|
switch (method)
|
|
{
|
|
case METHOD_SD:
|
|
case METHOD_USB:
|
|
loadROM = OpenFAT (method);
|
|
break;
|
|
case METHOD_DVD:
|
|
// Load from DVD
|
|
loadROM = OpenDVD (method);
|
|
break;
|
|
case METHOD_SMB:
|
|
// Load from Network (SMB)
|
|
loadROM = OpenSMB (method);
|
|
break;
|
|
}
|
|
|
|
return loadROM;
|
|
}
|