mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-01 16:35:16 +01:00
683 lines
17 KiB
C++
683 lines
17 KiB
C++
/****************************************************************************
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* Snes9x 1.51 Nintendo Wii/Gamecube Port
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*
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* softdev July 2006
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* svpe June 2007
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* crunchy2 May-July 2007
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* Michniewski 2008
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* Tantric August 2008
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*
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* filesel.cpp
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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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#include <malloc.h>
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#ifdef HW_RVL
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extern "C" {
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#include <di/di.h>
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}
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#endif
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#include "snes9x.h"
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#include "memmap.h"
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#include "snes9xGX.h"
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#include "dvd.h"
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#include "menudraw.h"
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#include "video.h"
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#include "aram.h"
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#include "networkop.h"
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#include "fileop.h"
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#include "memcardop.h"
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#include "input.h"
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#include "gcunzip.h"
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BROWSERINFO browser;
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BROWSERENTRY * browserList = NULL; // list of files/folders in browser
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char rootdir[10];
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static char szpath[MAXPATHLEN];
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static bool inSz = false;
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unsigned long SNESROMSize = 0;
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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 ("Attempting to determine load method...");
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int method = 0;
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if(ChangeInterface(METHOD_SD, SILENT))
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method = METHOD_SD;
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else if(ChangeInterface(METHOD_USB, SILENT))
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method = METHOD_USB;
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else if(ChangeInterface(METHOD_DVD, SILENT))
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method = METHOD_DVD;
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else if(ChangeInterface(METHOD_SMB, SILENT))
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method = METHOD_SMB;
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else
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WaitPrompt("Unable to auto-determine load method!");
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if(GCSettings.LoadMethod == METHOD_AUTO)
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GCSettings.LoadMethod = method; // save method found for later use
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return method;
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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(bool silent)
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{
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if(!silent)
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ShowAction ("Attempting to determine save method...");
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int method = 0;
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if(ChangeInterface(METHOD_SD, SILENT))
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method = METHOD_SD;
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else if(ChangeInterface(METHOD_USB, SILENT))
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method = METHOD_USB;
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else if(TestCard(CARD_SLOTA, SILENT))
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method = METHOD_MC_SLOTA;
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else if(TestCard(CARD_SLOTB, SILENT))
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method = METHOD_MC_SLOTB;
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else if(ChangeInterface(METHOD_SMB, SILENT))
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method = METHOD_SMB;
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else if(!silent)
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WaitPrompt("Unable to auto-determine save method!");
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if(GCSettings.SaveMethod == METHOD_AUTO)
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GCSettings.SaveMethod = method; // save method found for later use
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return method;
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}
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/****************************************************************************
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* ResetBrowser()
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* Clears the file browser memory, and allocates one initial entry
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***************************************************************************/
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void ResetBrowser()
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{
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browser.selIndex = browser.pageIndex = 0;
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// Clear any existing values
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if(browserList != NULL)
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{
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free(browserList);
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browserList = NULL;
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}
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// set aside space for 1 entry
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browserList = (BROWSERENTRY *)malloc(sizeof(BROWSERENTRY));
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memset(browserList, 0, sizeof(BROWSERENTRY));
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}
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/****************************************************************************
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* UpdateDirName()
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* Update curent directory name for file browser
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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
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if(method == METHOD_DVD)
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SetDVDdirectory(browserList[browser.selIndex].offset, browserList[browser.selIndex].length);
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/* current directory doesn't change */
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if (strcmp(browserList[browser.selIndex].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(browserList[browser.selIndex].filename,"..") == 0)
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{
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/* determine last subdirectory namelength */
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sprintf(temp,"%s",browser.dir);
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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(browser.dir) - size - 1;
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browser.dir[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(browser.dir)+1+strlen(browserList[browser.selIndex].filename)) < MAXPATHLEN)
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{
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/* update current directory name */
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sprintf(browser.dir, "%s/%s",browser.dir, browserList[browser.selIndex].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("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 MakeFilePath(char filepath[], int type, int method)
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{
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char file[512];
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char folder[1024];
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char temppath[MAXPATHLEN];
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if(type == FILE_ROM)
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{
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// Check path length
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if ((strlen(browser.dir)+1+strlen(browserList[browser.selIndex].filename)) >= MAXPATHLEN)
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{
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WaitPrompt("Maximum filepath length reached!");
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filepath[0] = 0;
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return false;
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}
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else
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{
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sprintf(temppath, "%s/%s",browser.dir,browserList[browser.selIndex].filename);
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}
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}
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else
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{
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switch(type)
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{
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case FILE_SRAM:
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sprintf(folder, GCSettings.SaveFolder);
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sprintf(file, "%s.srm", Memory.ROMFilename);
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break;
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case FILE_SNAPSHOT:
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sprintf(folder, GCSettings.SaveFolder);
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sprintf(file, "%s.frz", Memory.ROMFilename);
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break;
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case FILE_CHEAT:
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sprintf(folder, GCSettings.CheatFolder);
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sprintf(file, "%s.cht", Memory.ROMFilename);
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break;
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case FILE_PREF:
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sprintf(folder, appPath);
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sprintf(file, "%s", PREF_FILE_NAME);
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break;
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}
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switch(method)
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{
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case METHOD_MC_SLOTA:
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case METHOD_MC_SLOTB:
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sprintf (temppath, "%s", file);
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temppath[31] = 0; // truncate filename
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break;
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default:
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sprintf (temppath, "%s/%s", folder, file);
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break;
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}
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}
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strcpy(filepath, temppath);
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return true;
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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(((BROWSERENTRY *)f1)->filename[0] == '.' || ((BROWSERENTRY *)f2)->filename[0] == '.')
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{
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if(strcmp(((BROWSERENTRY *)f1)->filename, ".") == 0) { return -1; }
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if(strcmp(((BROWSERENTRY *)f2)->filename, ".") == 0) { return 1; }
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if(strcmp(((BROWSERENTRY *)f1)->filename, "..") == 0) { return -1; }
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if(strcmp(((BROWSERENTRY *)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(((BROWSERENTRY *)f1)->isdir && !(((BROWSERENTRY *)f2)->isdir)) return -1;
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if(!(((BROWSERENTRY *)f1)->isdir) && ((BROWSERENTRY *)f2)->isdir) return 1;
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return stricmp(((BROWSERENTRY *)f1)->filename, ((BROWSERENTRY *)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 96K and 8MB
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if(browserList[browser.selIndex].length < (1024*96) ||
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browserList[browser.selIndex].length > (1024*1024*8))
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{
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WaitPrompt("Invalid file size!");
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return false;
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}
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if (strlen(browserList[browser.selIndex].filename) > 4)
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{
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char * p = strrchr(browserList[browser.selIndex].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 (stricmp(p, ".smc") == 0 ||
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stricmp(p, ".fig") == 0 ||
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stricmp(p, ".sfc") == 0 ||
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stricmp(p, ".swc") == 0)
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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("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(browserList[browser.selIndex].filename) > 4)
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{
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char * p = strrchr(browserList[browser.selIndex].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 (browserList, browser.numEntries, browser.pageIndex, browser.selIndex);
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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_Stick (0, 0, 1);
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wm_sx = WPAD_Stick (0, 1, 0);
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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 (browserList[browser.selIndex].isdir) // 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 && browser.selIndex == 0) // inside a 7z, requesting to leave
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{
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if(method == METHOD_DVD)
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SetDVDdirectory(browserList[0].offset, browserList[0].length);
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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_DVD:
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browser.numEntries = ParseDVDdirectory();
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break;
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default:
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browser.numEntries = ParseDirectory();
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break;
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}
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if (!browser.numEntries)
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{
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WaitPrompt ("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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return 0; // 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(!MakeFilePath(szpath, FILE_ROM, method))
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return 0;
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// add device to filepath
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char fullpath[1024];
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sprintf(fullpath, "%s%s", rootdir, szpath);
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strcpy(szpath, fullpath);
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int szfiles = SzParse(szpath, method);
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if(szfiles)
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{
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browser.numEntries = szfiles;
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inSz = true;
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}
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else
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WaitPrompt("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 sram/freeze naming
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StripExt(Memory.ROMFilename, browserList[browser.selIndex].filename);
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ShowAction ("Loading...");
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SNESROMSize = 0;
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if(!inSz)
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{
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char filepath[1024];
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if(!MakeFilePath(filepath, FILE_ROM, method))
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return 0;
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SNESROMSize = LoadFile ((char *)Memory.ROM, filepath, browserList[browser.selIndex].length, method, NOTSILENT);
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}
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else
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{
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switch (method)
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{
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case METHOD_DVD:
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SNESROMSize = SzExtractFile(browserList[browser.selIndex].offset, (unsigned char *)Memory.ROM);
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break;
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default:
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SNESROMSize = LoadSzFile(szpath, (unsigned char *)Memory.ROM);
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break;
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}
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}
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inSz = false;
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if (SNESROMSize > 0)
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return 1;
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else
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WaitPrompt("Error loading ROM!");
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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)
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|| (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(browserList[0].filename, "..") == 0)
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{
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browser.selIndex = 0;
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selectit = 1;
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}
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else if (strcmp(browserList[1].filename, "..") == 0)
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{
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browser.selIndex = selectit = 1;
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}
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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
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| WPAD_CLASSIC_BUTTON_DOWN)) || (gc_ay < -PADCAL) || (wm_ay
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< -PADCAL))
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{
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if ((p & PAD_BUTTON_DOWN) || (wp & (WPAD_BUTTON_DOWN
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| WPAD_CLASSIC_BUTTON_DOWN)))
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{ /*** 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)
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{ /*** 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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}
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else
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{
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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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browser.selIndex++;
|
|
if (browser.selIndex == browser.numEntries)
|
|
browser.selIndex = browser.pageIndex = 0;
|
|
if ((browser.selIndex - browser.pageIndex) >= PAGESIZE)
|
|
browser.pageIndex += PAGESIZE;
|
|
redraw = 1;
|
|
move_selection = 0;
|
|
}
|
|
} // End of down
|
|
if (((p | ph) & PAD_BUTTON_UP) || ((wp | wh) & (WPAD_BUTTON_UP
|
|
| WPAD_CLASSIC_BUTTON_UP)) || (gc_ay > PADCAL) || (wm_ay
|
|
> PADCAL))
|
|
{
|
|
if ((p & PAD_BUTTON_UP) || (wp & (WPAD_BUTTON_UP
|
|
| WPAD_CLASSIC_BUTTON_UP)))
|
|
{ /*** Button just pressed***/
|
|
scroll_delay = SCROLL_INITIAL_DELAY; // reset scroll delay.
|
|
move_selection = 1; //continue (move selection)
|
|
}
|
|
else if (scroll_delay == 0)
|
|
{ /*** Button is held ***/
|
|
scroll_delay = SCROLL_LOOP_DELAY;
|
|
move_selection = 1; //continue (move selection)
|
|
}
|
|
else
|
|
{
|
|
scroll_delay--; // wait
|
|
}
|
|
|
|
if (move_selection)
|
|
{
|
|
browser.selIndex--;
|
|
if (browser.selIndex < 0)
|
|
{
|
|
browser.selIndex = browser.numEntries - 1;
|
|
browser.pageIndex = browser.selIndex - PAGESIZE + 1;
|
|
}
|
|
if (browser.selIndex < browser.pageIndex)
|
|
browser.pageIndex -= PAGESIZE;
|
|
if (browser.pageIndex < 0)
|
|
browser.pageIndex = 0;
|
|
redraw = 1;
|
|
move_selection = 0;
|
|
}
|
|
} // End of Up
|
|
if ((p & PAD_BUTTON_LEFT) || (wp & (WPAD_BUTTON_LEFT
|
|
| WPAD_CLASSIC_BUTTON_LEFT)))
|
|
{
|
|
/*** Go back a page ***/
|
|
browser.selIndex -= PAGESIZE;
|
|
if (browser.selIndex < 0)
|
|
{
|
|
browser.selIndex = browser.numEntries - 1;
|
|
browser.pageIndex = browser.selIndex - PAGESIZE + 1;
|
|
}
|
|
if (browser.selIndex < browser.pageIndex)
|
|
browser.pageIndex -= PAGESIZE;
|
|
if (browser.pageIndex < 0)
|
|
browser.pageIndex = 0;
|
|
redraw = 1;
|
|
}
|
|
if ((p & PAD_BUTTON_RIGHT) || (wp & (WPAD_BUTTON_RIGHT
|
|
| WPAD_CLASSIC_BUTTON_RIGHT)))
|
|
{
|
|
/*** Go forward a page ***/
|
|
browser.selIndex += PAGESIZE;
|
|
if (browser.selIndex > browser.numEntries - 1)
|
|
browser.selIndex = browser.pageIndex = 0;
|
|
if ((browser.selIndex - browser.pageIndex) >= PAGESIZE)
|
|
browser.pageIndex += PAGESIZE;
|
|
redraw = 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* OpenROM
|
|
* Opens device specified by method, displays a list of ROMS
|
|
***************************************************************************/
|
|
|
|
int
|
|
OpenROM (int method)
|
|
{
|
|
if(method == METHOD_AUTO)
|
|
method = autoLoadMethod();
|
|
|
|
if(ChangeInterface(method, NOTSILENT))
|
|
{
|
|
// change current dir to roms directory
|
|
switch(method)
|
|
{
|
|
case METHOD_DVD:
|
|
browser.dir[0] = 0;
|
|
browser.numEntries = ParseDVDdirectory(); // Parse root directory
|
|
SwitchDVDFolder(GCSettings.LoadFolder); // switch to ROM folder
|
|
break;
|
|
default:
|
|
sprintf(browser.dir, "/%s", GCSettings.LoadFolder);
|
|
browser.numEntries = ParseDirectory(); // Parse root directory
|
|
break;
|
|
}
|
|
|
|
if (browser.numEntries > 0)
|
|
{
|
|
// Select an entry
|
|
return FileSelector (method);
|
|
}
|
|
else
|
|
{
|
|
// no entries found
|
|
WaitPrompt ("No Files Found!");
|
|
return 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|