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improved save file detection algorithm

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dborth 2009-06-28 07:06:28 +00:00
parent 3e76213c96
commit ddf1a540d1
1 changed files with 78 additions and 46 deletions
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84
source/ngc/menu.cpp
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@ -1411,6 +1411,47 @@ static int MenuGame()
return menu;
}
/****************************************************************************
* FindGameSaveNum
*
* Determines the save file number of the given file name
* Returns -1 if none is found
***************************************************************************/
static int FindGameSaveNum(char * savefile, int method)
{
int n = -1;
int romlen = strlen(ROMFilename);
int savelen = strlen(savefile);
if(romlen > 26 && (method == METHOD_MC_SLOTA || method == METHOD_MC_SLOTB))
romlen = 26; // memory card filenames are a maximum of 32 chars
int diff = savelen-romlen;
if(strncmp(savefile, ROMFilename, romlen) != 0)
return -1;
if(method == METHOD_MC_SLOTA || method == METHOD_MC_SLOTB)
{
if(diff == 2)
n = atoi(&savefile[savelen-2]);
else if(diff == 1)
n = atoi(&savefile[savelen-1]);
}
else if(savefile[romlen] == ' ')
{
if(diff == 5 && strncmp((const char *)savefile[romlen+1], "Auto", 4) == 0)
n = 0; // found Auto save
else if(diff == 2 || diff == 3)
n = atoi(&savefile[romlen+1]);
}
if(n >= 0 && n < MAX_SAVES)
return n;
else
return -1;
}
/****************************************************************************
* MenuGameSaves
*
@ -1420,12 +1461,12 @@ static int MenuGameSaves(int action)
{
int menu = MENU_NONE;
int ret, result;
int i, n, len, len2;
int i, n, type, len, len2;
int j = 0;
SaveList saves;
char filepath[1024];
char scrfile[1024];
char tmp[256];
char tmp[MAXJOLIET];
struct stat filestat;
struct tm * timeinfo;
int method = GCSettings.SaveMethod;
@ -1514,40 +1555,32 @@ static int MenuGameSaves(int action)
ParseDirectory(GCSettings.SaveMethod);
}
for(i=0; i < browser.numEntries; i++)
{
len = strlen(ROMFilename);
len2 = strlen(browserList[i].filename);
if(len > 26 && (method == METHOD_MC_SLOTA || method == METHOD_MC_SLOTB))
len = 26; // memory card filenames are a maximum of 32 chars
// find matching files
if(len2 > 5 && strncmp(browserList[i].filename, ROMFilename, len) == 0)
for(i=0; i < browser.numEntries; i++)
{
len2 = strlen(browserList[i].filename);
if(len2 < 6 || len2-len < 5)
continue;
if(strncmp(&browserList[i].filename[len2-4], ".sav", 4) == 0)
saves.type[j] = FILE_SRAM;
type = FILE_SRAM;
else if(strncmp(&browserList[i].filename[len2-4], ".sgm", 4) == 0)
saves.type[j] = FILE_SNAPSHOT;
type = FILE_SNAPSHOT;
else
saves.type[j] = -1;
continue;
if(saves.type[j] != -1)
{
strncpy(tmp, browserList[i].filename, 255);
strncpy(tmp, browserList[i].filename, MAXJOLIET);
tmp[len2-4] = 0;
n = FindGameSaveNum(tmp, method);
if(len2 - len == 7)
n = atoi(&tmp[len2-5]);
else if(len2 - len == 6)
n = atoi(&tmp[len2-6]);
else
n = -1;
if(n > 0 && n < MAX_SAVES)
if(n >= 0)
{
saves.type[j] = type;
saves.files[saves.type[j]][n] = 1;
strncpy(saves.filename[j], browserList[i].filename, 255);
strncpy(saves.filename[j], browserList[i].filename, MAXJOLIET);
if(method != METHOD_MC_SLOTA && method != METHOD_MC_SLOTB)
{
@ -1571,7 +1604,6 @@ static int MenuGameSaves(int action)
j++;
}
}
}
saves.length = j;