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Make sure to display an alert if saving a state failed

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This commit is contained in:
Lior Halphon
2025-07-22 00:03:37 +03:00
parent e69f6b8579
commit c6a968ed74
1 changed files with 23 additions and 7 deletions
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30
iOS/GBViewController.m
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@@ -847,15 +847,31 @@ static void rumbleCallback(GB_gameboy_t *gb, double amp)
- (void)saveStateToFile:(NSString *)file
{
NSString *tempPath = [file stringByAppendingPathExtension:@"tmp"];
if (!GB_save_state(&_gb, tempPath.UTF8String)) {
int error = GB_save_state(&_gb, tempPath.UTF8String);
if (!error) {
rename(tempPath.UTF8String, file.UTF8String);
NSData *data = [NSData dataWithBytes:_gbView.previousBuffer
length:GB_get_screen_width(&_gb) *
GB_get_screen_height(&_gb) *
sizeof(*_gbView.previousBuffer)];
UIImage *screenshot = [self imageFromData:data width:GB_get_screen_width(&_gb) height:GB_get_screen_height(&_gb)];
[UIImagePNGRepresentation(screenshot) writeToFile:[file stringByAppendingPathExtension:@"png"] atomically:false];
}
else {
dispatch_async(dispatch_get_main_queue(), ^{
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Could not Save State"
message:[NSString stringWithFormat:@"An error occured while attempting to save: %s", strerror(error)]
preferredStyle:UIAlertControllerStyleAlert];
[alert addAction:[UIAlertAction actionWithTitle:@"Close"
style:UIAlertActionStyleCancel
handler:nil]];
UIViewController *top = self;
while (top.presentedViewController) {
top = top.presentedViewController;
}
[top presentViewController:alert animated:true completion:nil];
});
}
NSData *data = [NSData dataWithBytes:_gbView.previousBuffer
length:GB_get_screen_width(&_gb) *
GB_get_screen_height(&_gb) *
sizeof(*_gbView.previousBuffer)];
UIImage *screenshot = [self imageFromData:data width:GB_get_screen_width(&_gb) height:GB_get_screen_height(&_gb)];
[UIImagePNGRepresentation(screenshot) writeToFile:[file stringByAppendingPathExtension:@"png"] atomically:false];
}
- (bool)loadStateFromFile:(NSString *)file