reefwing · October 14, 2012 04:19 · Oct 27, 2012 · Oct 22, 2012 · Oct 20, 2012 · Oct 20, 2012
diff --git a/aGameCenter_Codea.h b/aGameCenter_Codea.h
@@ -12,6 +12,9 @@
 //  Version: 1.5
 //      - Multiple Leaderboard (Easy, Medium & Hard) access added
 //      - Achievements added.
+//           1.6
+//      - Modified for universal apps (http://codeatuts.blogspot.com.au/2012/10/tutorial-22-building-universal-app-in.html)
+//      - New showLeaderBoard: (int)ident method
 //
 //  Licensed under the Apache License, Version 2.0 (the "License");
 //  you may not use this file except in compliance with the License.
@@ -47,6 +50,8 @@
 - (void) achievementViewControllerDidFinish:(GKAchievementViewController *)viewController;
 - (void) resetAchievements;
 - (void) reportAchievementIdentifier: (int) ident;
+
+- (void) showLeaderboard: (int)ident;
 - (void) showEasyLeaderboard;
 - (void) showMediumLeaderboard;
 - (void) showHardLeaderboard;

diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -182,6 +182,7 @@ - (void)showAchievements
 - (void)achievementViewControllerDidFinish:(GKAchievementViewController *)viewController
 {
     [[SharedRenderer renderer] dismissViewControllerAnimated:YES completion:nil];
+    [[SharedRenderer renderer] startAnimation];
 }
 
 - (void) resetAchievements
@@ -208,6 +209,40 @@ - (void) resetAchievements
 
 //  Leaderboard Methods
 
+- (void)showLeaderboard: (int)ident
+{
+    NSString *identifier;
+
+    // INSERT YOUR ACHIEVEMENT IDENTIFIERS BELOW
+
+    switch (ident)
+    {
+        case 1:
+            identifier = @"Easy Difficulty";
+            break;
+        case 2:
+            identifier = @"Medium Difficulty";
+            break;
+        case 3:
+            identifier = @"Hard Difficulty";
+            break;
+        default:
+            NSLog(@"Warning Unknown Leader Board");
+            break;
+    }
+
+    GKLeaderboardViewController *leaderBoardCont = [[GKLeaderboardViewController alloc] init];
+    if (leaderBoardCont)
+    {
+        // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
+        leaderBoardCont.category=identifier;
+        leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
+        leaderBoardCont.leaderboardDelegate=self;
+
+        [[SharedRenderer renderer] presentModalViewController:leaderBoardCont animated:YES];
+    }
+}
+
 - (void)showEasyLeaderboard
 {
     GKLeaderboardViewController *leaderBoardCont = [[GKLeaderboardViewController alloc] init];
@@ -253,6 +288,7 @@ - (void)showHardLeaderboard
 - (void)leaderboardViewControllerDidFinish:(GKLeaderboardViewController *)viewController
 {
     [[SharedRenderer renderer] dismissModalViewControllerAnimated:YES];
+    [[SharedRenderer renderer] startAnimation];
 }
 
 - (void) reportEasyScore:(int) score
@@ -274,7 +310,7 @@ - (void) reportEasyScore:(int) score
     }
 }
 
-- (void) reportMediumScore:(int) score
+- (void)reportMediumScore:(int) score
 {
     // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
     GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"Medium Difficulty"] autorelease];
@@ -293,7 +329,7 @@ - (void) reportMediumScore:(int) score
     }
 }
 
-- (void) reportHardScore:(int) score
+- (void)reportHardScore:(int) score
 {
     // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
     GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"Hard Difficulty"] autorelease];
@@ -314,7 +350,7 @@ - (void) reportHardScore:(int) score
 
 // Music Play and Stop Methods
 
-- (void) playMusic:(int) songNumber
+- (void)playMusic:(int) songNumber
 {
     NSString* resourcePath = [[NSBundle mainBundle] resourcePath];
     NSString* song = [[NSString alloc] initWithString:@""];
@@ -368,7 +404,7 @@ - (void) playMusic:(int) songNumber
 
 }
 
-- (void) stopMusic
+- (void)stopMusic
 {
     if (playing)
     {

diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -127,25 +127,25 @@ - (void) reportAchievementIdentifier: (int) ident
     switch (ident)
     {
         case 1:
-            identifier = @"au.com.reefwing.minesweeper.easyWinner";
+            identifier = @"Easy Winner";
             break;
         case 2:
-            identifier = @"au.com.reefwing.minesweeper.mediumWinner";
+            identifier = @"Medium Winner";
             break;
         case 3:
-            identifier = @"au.com.reefwing.minesweeper.hardWinner";
+            identifier = @"Hard Winner";
             break;
         case 4:
-            identifier = @"au.com.reefwing.minesweeper.boom";
+            identifier = @"Boom";
             break;
         case 5:
-            identifier = @"au.com.reefwing.minesweeper.badLuck";
+            identifier = @"Bad Luck";
             break;
         case 6:
-            identifier = @"au.com.reefwing.minesweeper.decathlon";
+            identifier = @"Decathlon";
             break;
         case 7:
-            identifier = @"au.com.reefwing.minesweeper.centurion";
+            identifier = @"Centurion";
             break;
         default:
             NSLog(@"Warning Unknown Achievement");
@@ -214,7 +214,7 @@ - (void)showEasyLeaderboard
     if (leaderBoardCont)
     {
         // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
-        leaderBoardCont.category=@"au.com.reefwing.minesweeper.easyDifficulty";
+        leaderBoardCont.category=@"Easy Difficulty";
         leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
         leaderBoardCont.leaderboardDelegate=self;
 
@@ -228,7 +228,7 @@ - (void)showMediumLeaderboard
     if (leaderBoardCont)
     {
         // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
-        leaderBoardCont.category=@"au.com.reefwing.minesweeper.mediumDifficulty";
+        leaderBoardCont.category=@"Medium Difficulty";
         leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
         leaderBoardCont.leaderboardDelegate=self;
 
@@ -242,7 +242,7 @@ - (void)showHardLeaderboard
     if (leaderBoardCont)
     {
         // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
-        leaderBoardCont.category=@"au.com.reefwing.minesweeper.hardDifficulty";
+        leaderBoardCont.category=@"Hard Difficulty";
         leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
         leaderBoardCont.leaderboardDelegate=self;
 
@@ -258,7 +258,7 @@ - (void)leaderboardViewControllerDidFinish:(GKLeaderboardViewController *)viewCo
 - (void) reportEasyScore:(int) score
 {
     // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
-    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"au.com.reefwing.minesweeper.easyDifficulty"] autorelease];
+    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"Easy Difficulty"] autorelease];
     if(scoreReporter)
     {
         scoreReporter.value = score;
@@ -277,7 +277,7 @@ - (void) reportEasyScore:(int) score
 - (void) reportMediumScore:(int) score
 {
     // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
-    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"au.com.reefwing.minesweeper.mediumDifficulty"] autorelease];
+    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"Medium Difficulty"] autorelease];
     if(scoreReporter)
     {
         scoreReporter.value = score;
@@ -296,7 +296,7 @@ - (void) reportMediumScore:(int) score
 - (void) reportHardScore:(int) score
 {
     // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
-    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"au.com.reefwing.minesweeper.hardDifficulty"] autorelease];
+    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"Hard Difficulty"] autorelease];
     if(scoreReporter)
     {
         scoreReporter.value = score;

diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -156,6 +156,7 @@ - (void) reportAchievementIdentifier: (int) ident
     GKAchievement *achievement = [[GKAchievement alloc] initWithIdentifier: identifier];
     if (achievement)
     {
+        achievement.showsCompletionBanner = YES;
         achievement.percentComplete = 100.0;
         [achievement reportAchievementWithCompletionHandler:^(NSError *error)
          {

diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -199,7 +199,9 @@ - (void) resetAchievements
      {
          if (error != nil)
              // handle the error.
-             NSLog(@"Game Center Error - can not reset achievements");
+             NSLog(@"Game Center: Error Resetting Achievements - %@", [error localizedDescription]);
+         else
+             NSLog(@"Game Center - Achievements Reset.");
              }];
 }
 
@@ -265,7 +267,7 @@ - (void) reportEasyScore:(int) score
             if (error != nil)
             {
                 // handle the reporting error
-                NSLog(@"Game Center: Error Easy Reporting Score.");
+                NSLog(@"Game Center: Error Reporting Easy Score - %@", [error localizedDescription]);
             }
         }];   
     }
@@ -284,7 +286,7 @@ - (void) reportMediumScore:(int) score
              if (error != nil)
              {
                  // handle the reporting error
-                 NSLog(@"Game Center: Error Reporting Medium Score.");
+                 NSLog(@"Game Center: Error Reporting Medium Score - %@", [error localizedDescription]);
              }
          }];   
     }
@@ -303,7 +305,7 @@ - (void) reportHardScore:(int) score
              if (error != nil)
              {
                  // handle the reporting error
-                 NSLog(@"Game Center: Error Reporting Hard Score.");
+                 NSLog(@"Game Center: Error Reporting Hard Score - %@", [error localizedDescription]);
              }
          }];   
     }

diff --git a/aGameCenter_Codea.h b/aGameCenter_Codea.h
@@ -45,6 +45,7 @@
 - (void) leaderboardViewControllerDidFinish: (GKLeaderboardViewController *)viewController;
 - (void) showAchievements;
 - (void) achievementViewControllerDidFinish:(GKAchievementViewController *)viewController;
+- (void) resetAchievements;
 - (void) reportAchievementIdentifier: (int) ident;
 - (void) showEasyLeaderboard;
 - (void) showMediumLeaderboard;

diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -183,6 +183,26 @@ - (void)achievementViewControllerDidFinish:(GKAchievementViewController *)viewCo
     [[SharedRenderer renderer] dismissViewControllerAnimated:YES completion:nil];
 }
 
+- (void) resetAchievements
+{
+    // You may want to allow the player to reset their progress on achievements in your game.
+    // First, this method clears any locally cached achievement objects created by you.
+    // Then, it calls Game Kit to reset the player’s progress stored on Game Center.
+    //
+    // Clear all locally saved achievement objects - Enter your code to clear locally saved achievements below.
+
+    // YOUR CODE GOES HERE
+
+    // Clear all progress saved on Game Center.
+
+    [GKAchievement resetAchievementsWithCompletionHandler:^(NSError *error)
+     {
+         if (error != nil)
+             // handle the error.
+             NSLog(@"Game Center Error - can not reset achievements");
+             }];
+}
+
 //  Leaderboard Methods
 
 - (void)showEasyLeaderboard

diff --git a/aGameCenter_Codea.h b/aGameCenter_Codea.h
@@ -6,7 +6,7 @@
 //  LGPL - @juaxix - Codea connection!
 //
 //  Modified by Reefwing Software on 14/10/12
-//  www.reefwing.com.au
+//  http://www.reefwing.com.au
 //  @reefwing on the Codea Forums
 //
 //  Version: 1.5
@@ -30,8 +30,7 @@
 #import <GameKit/GameKit.h>
 #import <AVFoundation/AVAudioPlayer.h>
 
-@interface aGameCenter_Codea : NSObject
-    <GKLeaderboardViewControllerDelegate, AVAudioPlayerDelegate> 
+@interface aGameCenter_Codea : NSObject <GKLeaderboardViewControllerDelegate, AVAudioPlayerDelegate, GKAchievementViewControllerDelegate>
 {
     bool hasGameCenter;
     bool playing;
@@ -44,6 +43,8 @@
 - (void) authenticationChanged;
 - (BOOL) isGameCenterAvailable;
 - (void) leaderboardViewControllerDidFinish: (GKLeaderboardViewController *)viewController;
+- (void) showAchievements;
+- (void) achievementViewControllerDidFinish:(GKAchievementViewController *)viewController;
 - (void) reportAchievementIdentifier: (int) ident;
 - (void) showEasyLeaderboard;
 - (void) showMediumLeaderboard;

diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -6,7 +6,7 @@
 //  LGPL - @juaxix - Codea connection!
 //
 //  Modified by Reefwing Software on 14/10/12
-//  www.reefwing.com.au
+//  http://www.reefwing.com.au
 //  @reefwing on the Codea Forums
 //
 //  Version: 1.5
@@ -62,8 +62,13 @@ - (BOOL) isGameCenterAvailable
     // The device must be running running iOS 4.1 or later.   
     NSString *reqSysVer = @"4.1";   
     NSString *currSysVer = [[UIDevice currentDevice] systemVersion];   
-    BOOL osVersionSupported = ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending);   
+    BOOL osVersionSupported = ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending);
 
+    if (gcClass && osVersionSupported)
+        NSLog(@"Game Center is Available");
+    else
+        NSLog(@"Game Center is not Available");
+
     return (gcClass && osVersionSupported);
 }
 
@@ -81,6 +86,7 @@ - (void)authenticateLocalPlayer
         {
             [self registerForAuthenticationNotification];
             hasGameCenter = true;
+            NSLog(@"Game Center - local player authenticated.");
         }else
         {
             hasGameCenter = false;
@@ -161,6 +167,22 @@ - (void) reportAchievementIdentifier: (int) ident
     }
 }
 
+- (void)showAchievements
+{
+    GKAchievementViewController *achievements = [[GKAchievementViewController alloc] init];
+    if (achievements != nil)
+    {
+        achievements.achievementDelegate = self;
+        [[SharedRenderer renderer] presentViewController: achievements animated: YES completion:nil];
+    }
+    [achievements release];
+}
+
+- (void)achievementViewControllerDidFinish:(GKAchievementViewController *)viewController
+{
+    [[SharedRenderer renderer] dismissViewControllerAnimated:YES completion:nil];
+}
+
 //  Leaderboard Methods
 
 - (void)showEasyLeaderboard

diff --git a/aGameCenter_Codea.h b/aGameCenter_Codea.h
@@ -8,6 +8,23 @@
 //  Modified by Reefwing Software on 14/10/12
 //  www.reefwing.com.au
 //  @reefwing on the Codea Forums
+//
+//  Version: 1.5
+//      - Multiple Leaderboard (Easy, Medium & Hard) access added
+//      - Achievements added.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
 
 #import <Foundation/Foundation.h>
 #import <GameKit/GameKit.h>
@@ -26,10 +43,14 @@
 - (void) registerForAuthenticationNotification;
 - (void) authenticationChanged;
 - (BOOL) isGameCenterAvailable;
-- (void) leaderboardViewControllerDidFinish:
-         (GKLeaderboardViewController *)viewController;
-- (void) showLeaderboard;
-- (void) reportScore:(int) score;
+- (void) leaderboardViewControllerDidFinish: (GKLeaderboardViewController *)viewController;
+- (void) reportAchievementIdentifier: (int) ident;
+- (void) showEasyLeaderboard;
+- (void) showMediumLeaderboard;
+- (void) showHardLeaderboard;
+- (void) reportEasyScore:(int) score;
+- (void) reportMediumScore:(int) score;
+- (void) reportHardScore:(int) score;
 - (void) playMusic:(int) songNumber;
 - (void) stopMusic;
 @end
diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -5,6 +5,26 @@
 //  Games -> http://www.xixgames.com
 //  LGPL - @juaxix - Codea connection!
 //
+//  Modified by Reefwing Software on 14/10/12
+//  www.reefwing.com.au
+//  @reefwing on the Codea Forums
+//
+//  Version: 1.5
+//      - Multiple Leaderboard (Easy, Medium & Hard) access added
+//      - Achievements added.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
 
 #import "aGameCenter_Codea.h"
 #import "SharedRenderer.h"
@@ -15,7 +35,7 @@ - (id)init
 {
     self = [super init];
     player = [[AVAudioPlayer alloc] init];
-    playing= false;
+    playing = false;
     return self;
 }
 
@@ -25,14 +45,15 @@ - (void)dealloc
     [super dealloc];
 }
 
-- (void) start {
+- (void) start
+{
     //Game Center
+
     hasGameCenter = false;
 
     [self authenticateLocalPlayer];
 }
 
-
 - (BOOL) isGameCenterAvailable
 {
     // Check for presence of GKLocalPlayer API.   
@@ -46,17 +67,22 @@ - (BOOL) isGameCenterAvailable
     return (gcClass && osVersionSupported);
 }
 
-- (void)authenticateLocalPlayer {
+- (void)authenticateLocalPlayer
+{
 
-    if(![self isGameCenterAvailable]){
+    if(![self isGameCenterAvailable])
+    {
         hasGameCenter = false;
         return;
     }
-    [[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error) {      
-        if (error == nil){
+    [[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error)
+    {
+        if (error == nil)
+        {
             [self registerForAuthenticationNotification];
             hasGameCenter = true;
-        }else{
+        }else
+        {
             hasGameCenter = false;
         }
     }];
@@ -70,21 +96,108 @@ - (void)registerForAuthenticationNotification
 
 - (void)authenticationChanged
 {
-    if([self isGameCenterAvailable ]){
+    if([self isGameCenterAvailable ])
+    {
         return;
     }
 
-    if ([GKLocalPlayer localPlayer].isAuthenticated){      
+    if ([GKLocalPlayer localPlayer].isAuthenticated)
+    {
         hasGameCenter = true;
-    }else{
+    }else
+    {
         hasGameCenter = false;
     }
 }
-- (void)showLeaderboard
+
+// Achievement Methods
+
+- (void) reportAchievementIdentifier: (int) ident
+{
+    NSString *identifier;
+
+    // INSERT YOUR ACHIEVEMENT IDENTIFIERS BELOW
+
+    switch (ident)
+    {
+        case 1:
+            identifier = @"au.com.reefwing.minesweeper.easyWinner";
+            break;
+        case 2:
+            identifier = @"au.com.reefwing.minesweeper.mediumWinner";
+            break;
+        case 3:
+            identifier = @"au.com.reefwing.minesweeper.hardWinner";
+            break;
+        case 4:
+            identifier = @"au.com.reefwing.minesweeper.boom";
+            break;
+        case 5:
+            identifier = @"au.com.reefwing.minesweeper.badLuck";
+            break;
+        case 6:
+            identifier = @"au.com.reefwing.minesweeper.decathlon";
+            break;
+        case 7:
+            identifier = @"au.com.reefwing.minesweeper.centurion";
+            break;
+        default:
+            NSLog(@"Warning Unknown Achievement");
+            break;
+    }
+    NSLog(@"Achievement complete: %@", identifier);
+
+    GKAchievement *achievement = [[GKAchievement alloc] initWithIdentifier: identifier];
+    if (achievement)
+    {
+        achievement.percentComplete = 100.0;
+        [achievement reportAchievementWithCompletionHandler:^(NSError *error)
+         {
+             if (error != nil)
+             {
+                 NSLog(@"Error in reporting achievements: %@", error);
+             }
+         }];
+    }
+}
+
+//  Leaderboard Methods
+
+- (void)showEasyLeaderboard
+{
+    GKLeaderboardViewController *leaderBoardCont = [[GKLeaderboardViewController alloc] init];
+    if (leaderBoardCont)
+    {
+        // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
+        leaderBoardCont.category=@"au.com.reefwing.minesweeper.easyDifficulty";
+        leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
+        leaderBoardCont.leaderboardDelegate=self;
+
+        [[SharedRenderer renderer] presentModalViewController:leaderBoardCont animated:YES];
+    }
+}
+
+- (void)showMediumLeaderboard
+{
+    GKLeaderboardViewController *leaderBoardCont = [[GKLeaderboardViewController alloc] init];
+    if (leaderBoardCont)
+    {
+        // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
+        leaderBoardCont.category=@"au.com.reefwing.minesweeper.mediumDifficulty";
+        leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
+        leaderBoardCont.leaderboardDelegate=self;
+
+        [[SharedRenderer renderer] presentModalViewController:leaderBoardCont animated:YES];
+    }
+}
+
+- (void)showHardLeaderboard
 {
     GKLeaderboardViewController *leaderBoardCont = [[GKLeaderboardViewController alloc] init];
-    if (leaderBoardCont) {
-        leaderBoardCont.category=@"YOUR_SCORE_BOARD_UNIQUE_NAME_FROM_ITUNES_CONNECT";
+    if (leaderBoardCont)
+    {
+        // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
+        leaderBoardCont.category=@"au.com.reefwing.minesweeper.hardDifficulty";
         leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
         leaderBoardCont.leaderboardDelegate=self;
 
@@ -97,28 +210,73 @@ - (void)leaderboardViewControllerDidFinish:(GKLeaderboardViewController *)viewCo
     [[SharedRenderer renderer] dismissModalViewControllerAnimated:YES];
 }
 
-- (void) reportScore:(int) score
+- (void) reportEasyScore:(int) score
 {
-    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory:
-          @"YOUR_SCORE_BOARD_UNIQUE_NAME_FROM_ITUNES_CONNECT"] autorelease];
-    if(scoreReporter){
+    // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
+    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"au.com.reefwing.minesweeper.easyDifficulty"] autorelease];
+    if(scoreReporter)
+    {
         scoreReporter.value = score;
 
-        [scoreReporter reportScoreWithCompletionHandler:^(NSError *error) {   
-            if (error != nil){
+        [scoreReporter reportScoreWithCompletionHandler:^(NSError *error)
+        {
+            if (error != nil)
+            {
                 // handle the reporting error
-
+                NSLog(@"Game Center: Error Easy Reporting Score.");
             }
         }];   
     }
 }
 
-- (void) playMusic:(int) songNumber {
+- (void) reportMediumScore:(int) score
+{
+    // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
+    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"au.com.reefwing.minesweeper.mediumDifficulty"] autorelease];
+    if(scoreReporter)
+    {
+        scoreReporter.value = score;
+
+        [scoreReporter reportScoreWithCompletionHandler:^(NSError *error)
+         {
+             if (error != nil)
+             {
+                 // handle the reporting error
+                 NSLog(@"Game Center: Error Reporting Medium Score.");
+             }
+         }];   
+    }
+}
+
+- (void) reportHardScore:(int) score
+{
+    // INSERT YOUR LEADERBOARD IDENTIFIER IN THE LINE BELOW
+    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory: @"au.com.reefwing.minesweeper.hardDifficulty"] autorelease];
+    if(scoreReporter)
+    {
+        scoreReporter.value = score;
+
+        [scoreReporter reportScoreWithCompletionHandler:^(NSError *error)
+         {
+             if (error != nil)
+             {
+                 // handle the reporting error
+                 NSLog(@"Game Center: Error Reporting Hard Score.");
+             }
+         }];   
+    }
+}
+
+// Music Play and Stop Methods
+
+- (void) playMusic:(int) songNumber
+{
     NSString* resourcePath = [[NSBundle mainBundle] resourcePath];
     NSString* song = [[NSString alloc] initWithString:@""];
     NSError* err;
 
-    switch (songNumber) {
+    switch (songNumber)
+    {
         case 1: //menu song
             song = @"/menu.MP3";
             break;
@@ -131,26 +289,30 @@ - (void) playMusic:(int) songNumber {
             break;
     }
 
-    if ([song isEqualToString:@""]){
+    if ([song isEqualToString:@""])
+    {
         return ;
     }
     //NSLog(@"Playing song %d: %@",songNumber,song);
     resourcePath = [resourcePath stringByAppendingString:song];
     //NSLog(@"Path to play: %@", resourcePath);
     //Initialize our player pointing to the path to our resource
-    if (playing && player) {
+    if (playing && player)
+    {
         [player stop];
         playing = false;
     }
     player = [[AVAudioPlayer alloc] initWithContentsOfURL:
               [NSURL fileURLWithPath:resourcePath] error:&err];
 
 
-    if( err ){
+    if( err )
+    {
         //bail!
         NSLog(@"Failed with reason: %@", [err localizedDescription]);
     }
-    else{
+    else
+    {
         //set our delegate and begin playback
         player.delegate = self;
         [player prepareToPlay];
@@ -161,8 +323,10 @@ - (void) playMusic:(int) songNumber {
 
 }
 
-- (void) stopMusic {
-    if (playing){
+- (void) stopMusic
+{
+    if (playing)
+    {
         [player stop];
         playing = false;
     }

diff --git a/aGameCenter_Codea.h b/aGameCenter_Codea.h
@@ -5,6 +5,9 @@
 //  Games -> http://www.xixgames.com
 //  LGPL - @juaxix - Codea connection!
 //
+//  Modified by Reefwing Software on 14/10/12
+//  www.reefwing.com.au
+//  @reefwing on the Codea Forums
 
 #import <Foundation/Foundation.h>
 #import <GameKit/GameKit.h>

diff --git a/aGameCenter_Codea.h b/aGameCenter_Codea.h
@@ -0,0 +1,32 @@
+//
+//  aGameCenter_Codea.h
+//
+//  Created by Juan Belón on 28/05/12
+//  Games -> http://www.xixgames.com
+//  LGPL - @juaxix - Codea connection!
+//
+
+#import <Foundation/Foundation.h>
+#import <GameKit/GameKit.h>
+#import <AVFoundation/AVAudioPlayer.h>
+
+@interface aGameCenter_Codea : NSObject
+    <GKLeaderboardViewControllerDelegate, AVAudioPlayerDelegate> 
+{
+    bool hasGameCenter;
+    bool playing;
+    AVAudioPlayer *player;
+}
+
+- (void) start;
+- (void) authenticateLocalPlayer;
+- (void) registerForAuthenticationNotification;
+- (void) authenticationChanged;
+- (BOOL) isGameCenterAvailable;
+- (void) leaderboardViewControllerDidFinish:
+         (GKLeaderboardViewController *)viewController;
+- (void) showLeaderboard;
+- (void) reportScore:(int) score;
+- (void) playMusic:(int) songNumber;
+- (void) stopMusic;
+@end
diff --git a/aGameCenter_Codea.m b/aGameCenter_Codea.m
@@ -0,0 +1,170 @@
+//
+//  aGameCenter_Codea.m
+//
+//  Created by Juan Belón on 28/05/12
+//  Games -> http://www.xixgames.com
+//  LGPL - @juaxix - Codea connection!
+//
+
+#import "aGameCenter_Codea.h"
+#import "SharedRenderer.h"
+
+@implementation aGameCenter_Codea
+
+- (id)init
+{
+    self = [super init];
+    player = [[AVAudioPlayer alloc] init];
+    playing= false;
+    return self;
+}
+
+- (void)dealloc
+{
+    [player release];
+    [super dealloc];
+}
+
+- (void) start {
+    //Game Center
+    hasGameCenter = false;
+
+    [self authenticateLocalPlayer];
+}
+
+
+- (BOOL) isGameCenterAvailable
+{
+    // Check for presence of GKLocalPlayer API.   
+    Class gcClass = (NSClassFromString(@"GKLocalPlayer"));   
+
+    // The device must be running running iOS 4.1 or later.   
+    NSString *reqSysVer = @"4.1";   
+    NSString *currSysVer = [[UIDevice currentDevice] systemVersion];   
+    BOOL osVersionSupported = ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending);   
+
+    return (gcClass && osVersionSupported);
+}
+
+- (void)authenticateLocalPlayer {
+
+    if(![self isGameCenterAvailable]){
+        hasGameCenter = false;
+        return;
+    }
+    [[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error) {      
+        if (error == nil){
+            [self registerForAuthenticationNotification];
+            hasGameCenter = true;
+        }else{
+            hasGameCenter = false;
+        }
+    }];
+}
+
+- (void)registerForAuthenticationNotification
+{
+    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+    [nc addObserver: self selector:@selector(authenticationChanged) name:GKPlayerAuthenticationDidChangeNotificationName object:nil];
+}
+
+- (void)authenticationChanged
+{
+    if([self isGameCenterAvailable ]){
+        return;
+    }
+
+    if ([GKLocalPlayer localPlayer].isAuthenticated){      
+        hasGameCenter = true;
+    }else{
+        hasGameCenter = false;
+    }
+}
+- (void)showLeaderboard
+{
+    GKLeaderboardViewController *leaderBoardCont = [[GKLeaderboardViewController alloc] init];
+    if (leaderBoardCont) {
+        leaderBoardCont.category=@"YOUR_SCORE_BOARD_UNIQUE_NAME_FROM_ITUNES_CONNECT";
+        leaderBoardCont.timeScope=GKLeaderboardTimeScopeToday;
+        leaderBoardCont.leaderboardDelegate=self;
+
+        [[SharedRenderer renderer] presentModalViewController:leaderBoardCont animated:YES];
+    }
+}
+
+- (void)leaderboardViewControllerDidFinish:(GKLeaderboardViewController *)viewController
+{
+    [[SharedRenderer renderer] dismissModalViewControllerAnimated:YES];
+}
+
+- (void) reportScore:(int) score
+{
+    GKScore *scoreReporter = [[[GKScore alloc] initWithCategory:
+          @"YOUR_SCORE_BOARD_UNIQUE_NAME_FROM_ITUNES_CONNECT"] autorelease];
+    if(scoreReporter){
+        scoreReporter.value = score;
+
+        [scoreReporter reportScoreWithCompletionHandler:^(NSError *error) {   
+            if (error != nil){
+                // handle the reporting error
+
+            }
+        }];   
+    }
+}
+
+- (void) playMusic:(int) songNumber {
+    NSString* resourcePath = [[NSBundle mainBundle] resourcePath];
+    NSString* song = [[NSString alloc] initWithString:@""];
+    NSError* err;
+
+    switch (songNumber) {
+        case 1: //menu song
+            song = @"/menu.MP3";
+            break;
+        case 2:
+            song = @"/game.MP3";
+            break;
+        case 3:
+            song = @"/winner.MP3";
+        default:
+            break;
+    }
+
+    if ([song isEqualToString:@""]){
+        return ;
+    }
+    //NSLog(@"Playing song %d: %@",songNumber,song);
+    resourcePath = [resourcePath stringByAppendingString:song];
+    //NSLog(@"Path to play: %@", resourcePath);
+    //Initialize our player pointing to the path to our resource
+    if (playing && player) {
+        [player stop];
+        playing = false;
+    }
+    player = [[AVAudioPlayer alloc] initWithContentsOfURL:
+              [NSURL fileURLWithPath:resourcePath] error:&err];
+
+
+    if( err ){
+        //bail!
+        NSLog(@"Failed with reason: %@", [err localizedDescription]);
+    }
+    else{
+        //set our delegate and begin playback
+        player.delegate = self;
+        [player prepareToPlay];
+        player.numberOfLoops = -1; //One Infinite Loop (music!) ;)
+        [player play];
+        playing = true;
+    }
+
+}
+
+- (void) stopMusic {
+    if (playing){
+        [player stop];
+        playing = false;
+    }
+}
+@end