Added pause checks to GameMode

Now GameMode actually checks if it's already paused before pausing.

Fixes #210

2 files changed, 21 insertions, 9 deletions

@@ -25,11 +25,14 @@
         CCLabelBMFont* livesLabel;
     
     void (^delayedAction)(void);
+    
+    BOOL isPaused;
 }
 
 @property (readonly) Cart* cart;
 @property (nonatomic,assign) int score;
 @property (nonatomic,assign) int lives;
+@property (readonly) BOOL isPaused;
 + (CCScene*)scene;
 - (void)tick:(ccTime)dt;
 - (BOOL)canPause;
@@ -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)];
@@ -126,13 +130,18 @@
 
 - (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