146     UIImage *previewImage = UIGraphicsGetImageFromCurrentImageContext();

   146     UIImage *previewImage = UIGraphicsGetImageFromCurrentImageContext();

   147     UIGraphicsEndImageContext();

   147     UIGraphicsEndImageContext();

   148     */

   148     */

   149 }

   149 }

   150 

   150 

   152     // don't generate a new preview while it's already generating one

   157     // don't generate a new preview while it's already generating one

   153     if (busy)

   158     if (busy)

   154         return;

   159         return;

   155 

   160 

   156     // generate a seed

   161     // generate a seed

   433     int num = (int) (self.slider.value * 100);

   438     int num = (int) (self.slider.value * 100);

   434     if (oldValue != num) {

   439     if (oldValue != num) {

   435         [self updatePreview];

   440         [self updatePreview];

   436         oldValue = num;

   441         oldValue = num;

   437     }

   442     }

   438 }

   444 }

   439 

   445 

   440 // perform actions based on the activated section, then call updatePreview to visually update the selection

   446 // perform actions based on the activated section, then call updatePreview to visually update the selection

   441 // updatePreview will call didSelectRowAtIndexPath which will call the right update routine)

   447 // updatePreview will call didSelectRowAtIndexPath which will call the right update routine)

   442 // and if necessary update the table with a slide animation

   448 // and if necessary update the table with a slide animation

   443 -(IBAction) segmentedControlChanged:(id) sender {

   449 -(IBAction) segmentedControlChanged:(id) sender {

   444     NSString *mapgen, *staticmap;

   450     NSString *mapgen, *staticmap;

   445     NSInteger newPage = self.segmentedControl.selectedSegmentIndex;

   451     NSInteger newPage = self.segmentedControl.selectedSegmentIndex;

   446 

   452 

   447     switch (newPage) {

   454     switch (newPage) {

   448         case 0: // Random

   455         case 0: // Random

   449             mapgen = @"e$mapgen 0";

   456             mapgen = @"e$mapgen 0";

   450             staticmap = @"";

   457             staticmap = @"";

   451             [self sliderChanged:nil];

   458             [self sliderChanged:nil];