From b4c612674d28bf7b385bd9fe41b108df8d97b474 Mon Sep 17 00:00:00 2001
From: Starla Insigna <starla4444@gmail.com>
Date: Tue, 23 Aug 2011 12:55:57 -0400
Subject: Added pause checks to GameMode

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

Fixes #210
---
 Classes/GameMode.h |  3 +++
 Classes/GameMode.m | 27 ++++++++++++++++++---------
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/Classes/GameMode.h b/Classes/GameMode.h
index 370550c..890106e 100644
--- a/Classes/GameMode.h
+++ b/Classes/GameMode.h
@@ -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;
diff --git a/Classes/GameMode.m b/Classes/GameMode.m
index 7afbf20..7b07f15 100644
--- a/Classes/GameMode.m
+++ b/Classes/GameMode.m
@@ -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
-- 
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