1 files changed, 29 insertions, 10 deletions

@@ -12,7 +12,7 @@
 
 @implementation GameMode
 
-@synthesize cart, score, lives;
+@synthesize cart, score, lives, isPaused;
 
 + (CCScene*)scene
 {
@@ -60,6 +60,8 @@
             [pauseMenu setPosition:ccp(480-8-16, 320-8-16)];
             [self addChild:pauseMenu];
         }
+        
+        isPaused = NO;
     }
     
     return self;
@@ -98,8 +100,10 @@
 
 - (void)pause
 {
-    if ([self canPause])
+    if (([self canPause]) && (!isPaused))
     {
+        isPaused = YES;
+        
         [self pauseSchedulerAndActions];
         
         shadedLayer = [CCLayerColor layerWithColor:ccc4(0, 0, 0, 127)];
@@ -126,18 +130,25 @@
 
 - (void)unpause
 {
-    [[[CCDirector sharedDirector] runningScene] removeChild:shadedLayer cleanup:YES];
-    [[[CCDirector sharedDirector] runningScene] removeChild:pauseLayer cleanup:YES];
-    
-    shadedLayer = nil;
-    pauseLayer = nil;
-    
-    [self resumeSchedulerAndActions];
+    if (isPaused)
+    {
+        [[[CCDirector sharedDirector] runningScene] removeChild:shadedLayer cleanup:YES];
+        [[[CCDirector sharedDirector] runningScene] removeChild:pauseLayer cleanup:YES];
+        
+        shadedLayer = nil;
+        pauseLayer = nil;
+        
+        [self resumeSchedulerAndActions];
+        
+        isPaused = NO;
+    }
 }
 
 - (void)mainmenu
 {
-    [[CCDirector sharedDirector] replaceScene:[MainMenuLayer scene]];
+    UIAlertView* alert = [[UIAlertView alloc] initWithTitle:@"Cartographic" message:@"Are you sure you want to quit the currently playing game?" delegate:self cancelButtonTitle:@"Yes" otherButtonTitles:@"No", nil];
+    [alert show];
+    [alert release];
 }
 
 - (void)setScore:(int)m_score
@@ -170,6 +181,14 @@
     delayedAction = nil;
 }
 
+- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex
+{
+    if (buttonIndex == 0)
+    {
+        [[CCDirector sharedDirector] replaceScene:[MainMenuLayer scene]];
+    }
+}
+
 - (void)dealloc
 {
     [objects release];