fix DVD loading

source/ngc/dvd.cpp

@@ -432,7 +432,7 @@ getentry (int entrycount, unsigned char dvdbuffer[])
 					if(dvddir == dvdrootdir) // at root already, don't show ..
 						fname[0] = 0;
 					else
-						strcpy (fname, "Up One Level");
+						strcpy (fname, "..");
 				}
 				else
 				{
@@ -463,8 +463,16 @@ getentry (int entrycount, unsigned char dvdbuffer[])
 			memset(&(browserList[entrycount]), 0, sizeof(BROWSERENTRY)); // clear the new entry
 
 			strncpy (browserList[entrycount].filename, fname, MAXJOLIET);
+
+			if(strcmp(fname,"..") == 0)
+			{
+				sprintf(browserList[entrycount].displayname, "Up One Level");
+			}
+			else
+			{
 				StripExt(tmpname, fname); // hide file extension
 				strncpy (browserList[entrycount].displayname, tmpname, MAXDISPLAY);
+			}
 
 			memcpy (&offset32, &dvdbuffer[diroffset + EXTENT], 4);
 
@@ -588,13 +596,18 @@ static bool SwitchDVDFolderR(char * dir, int maxDepth)
 
 	if(dirindex >= 0)
 	{
-		dvddir = browserList[dirindex].offset;
-		dvddirlength = browserList[dirindex].length;
 		browser.selIndex = dirindex;
-		UpdateDirName(METHOD_DVD);
 
 		if(browserList[dirindex].isdir) // only parse directories
+		{
+			UpdateDirName(METHOD_DVD);
 			ParseDVDdirectory();
+		}
+		else
+		{
+			dvddir = browserList[dirindex].offset;
+			dvddirlength = browserList[dirindex].length;
+		}
 
 		if(lastdir)
 			return true;
@@ -709,16 +722,27 @@ done:
 int
 LoadDVDFile(char * buffer, char *filepath, int datasize, bool silent)
 {
+	int ret = 0;
+
+	// retain original browser information
+	char origDir[MAXPATHLEN];
+	memset(origDir, 0, MAXPATHLEN);
+	strncpy(origDir, browser.dir, MAXPATHLEN);
+	int origSelIndex = browser.selIndex;
+	int origPageIndex = browser.selIndex;
+
 	if(SwitchDVDFolder(filepath))
-	{
+		ret = LoadDVDFileOffset ((unsigned char *)buffer, datasize);
-		return LoadDVDFileOffset ((unsigned char *)buffer, datasize);
+	else if(!silent)
-	}
-	else
-	{
-		if(!silent)
 		ErrorPrompt("Error loading file!");
-		return 0;
+
-	}
+	// restore browser information
+	memset(browser.dir, 0, MAXPATHLEN);
+	strncpy(browser.dir, origDir, MAXPATHLEN);
+	browser.selIndex = origSelIndex;
+	browser.pageIndex = origPageIndex;
+
+	return ret;
 }
 
 /****************************************************************************

source/ngc/fileop.cpp

@@ -390,39 +390,6 @@ FreeSaveBuffer ()
 	savebuffer = NULL;
 }
 
-/****************************************************************************
- * FindBufferSize()
- * Finds the position of the last bit written to the buffer
- * This function isn't perfect, but it should get the job done
- ***************************************************************************/
-int FindBufferSize(char * buffer, int maxsize)
-{
-	int datasize = maxsize; // we'll start at the max size
-
-	char check = buffer[datasize];
-	while(check == 0)
-	{
-		datasize -= 16384;
-		check = buffer[datasize];
-	}
-	datasize += 16384;
-	check = buffer[datasize];
-	while(check == 0)
-	{
-		datasize -= 1024;
-		check = buffer[datasize];
-	}
-	datasize += 1024;
-	check = buffer[datasize];
-	while(check == 0)
-	{
-		datasize -= 1;
-		check = buffer[datasize];
-	}
-	datasize += 2; // include last byte AND a null byte
-	return datasize;
-}
-
 /****************************************************************************
  * LoadSzFile
  * Loads the selected file # from the specified 7z into rbuffer

source/ngc/fileop.h

@@ -30,7 +30,6 @@ bool ChangeInterface(int method, bool silent);
 int ParseDirectory();
 void AllocSaveBuffer();
 void FreeSaveBuffer();
-int FindBufferSize(char * buffer, int maxsize);
 u32 LoadFile(char * rbuffer, char *filepath, u32 length, int method, bool silent);
 u32 LoadFile(char * filepath, int method, bool silent);
 u32 LoadSzFile(char * filepath, unsigned char * rbuffer);

source/ngc/menu.cpp

@@ -211,7 +211,7 @@ WindowPrompt(const char *title, const char *msg, const char *btn1Label, const ch
 /*static u32 arena1mem = 0;
 static u32 arena2mem = 0;
 static char mem[150] = { 0 };
-static GuiText * memTxt;*/
+static GuiText * memTxt = NULL;*/
 
 static void *
 UpdateGUI (void *arg)
@@ -229,7 +229,7 @@ UpdateGUI (void *arg)
 			arena2mem = (u32)SYS_GetArena2Hi() - (u32)SYS_GetArena2Lo();
 			#endif
 			sprintf(mem, "A1: %u / A2: %u", arena1mem, arena2mem);
-			memTxt->SetText(mem);*/
+			if(memTxt) memTxt->SetText(mem);*/
 
 			mainWindow->Draw();
 
@@ -3276,6 +3276,12 @@ MainMenu (int menu)
 	mainWindow->Append(bgBottomImg);
 	mainWindow->Append(btnLogo);
 
+	/*// memory usage - for debugging
+	memTxt = new GuiText(NULL, 18, (GXColor){255, 255, 255, 255});
+	memTxt->SetAlignment(ALIGN_LEFT, ALIGN_TOP);
+	memTxt->SetPosition(20, 20);
+	mainWindow->Append(memTxt);*/
+
 	if(currentMenu == MENU_GAMESELECTION)
 		ResumeGui();
 
@@ -3284,20 +3290,11 @@ MainMenu (int menu)
 		SavePrefs(SILENT);
 
 	#ifndef NO_SOUND
-	if(currentMenu == MENU_GAMESELECTION)
-	{
 	bgMusic = new GuiSound(bg_music_ogg, bg_music_ogg_size, SOUND_OGG);
 	bgMusic->SetVolume(GCSettings.MusicVolume);
-		bgMusic->Play(); // startup music
+	if(currentMenu == MENU_GAMESELECTION) bgMusic->Play(); // startup music
-	}
 	#endif
 
-	// memory usage - for debugging
-	/*memTxt = new GuiText(NULL, 18, (GXColor){255, 255, 255, 255});
-	memTxt->SetAlignment(ALIGN_RIGHT, ALIGN_TOP);
-	memTxt->SetPosition(-20, 40);
-	mainWindow->Append(memTxt);*/
-
 	while(currentMenu != MENU_EXIT || SNESROMSize <= 0)
 	{
 		switch (currentMenu)