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POCocos2d - CCMenu with multiple buttons calls wrong selector on first load
 

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  1. POCocos2d - CCMenu with multiple buttons calls wrong selector on first load
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    <p>Here's an interesting dilemma. I have two CCMenus being loaded on a page, each with two CCMenuItemImages as buttons. All four buttons call the same function, which decides what to do using a switch statement that goes off the caller's tag value.</p> <p>The four buttons are start, tutorial, options, and credits. I have them split into two menus so that I can horizontally and vertically align them in a faux grid. This layer is the main menu layer, so it is the first thing to load after the game starts.</p> <p>The problem is that when the game first loads, pressing <em>any</em> button will call the "options" button. Not just the function, pressing any button on the menu <strong>activates the options button's selected state</strong>. If I press "start," for instance, the start button's selected state (a glow around the image) doesn't work–the options button glows instead.</p> <p>Once I get into the options menu, and then back out of it, the main menu works as expected, with each button activating its requisite function.</p> <p>I should note that I've also run a clean, and removed the app from both the simulator and my iPhone and rebuilt it.</p> <p>Here's my .h:</p> <pre><code>#import &lt;Foundation/Foundation.h&gt; #import "cocos2d.h" #import "Constants.h" #import "GameManager.h" @interface MainMenuLayer : CCLayer { CCMenu *mainMenuTop; CCMenu *mainMenuBottom; } @end </code></pre> <p>And this is my .m:</p> <pre><code>#import "MainMenuLayer.h" // Private methods @interface MainMenuLayer() - (void)displayMainMenu; @end @implementation MainMenuLayer - (void)playScene:(CCMenuItemFont*) itemPassedIn { if ([itemPassedIn tag] == 1) { CCLOG(@"Tag 1 found, Scene 1"); [[GameManager sharedGameManager] runSceneWithID:kGameplayScene]; } else if ([itemPassedIn tag] == 2) { CCLOG(@"Tag was: %d", [itemPassedIn tag]); CCLOG(@"Placeholder for next chapters"); } else if ([itemPassedIn tag] == 3) { CCLOG(@"Tag 3, Options"); [[GameManager sharedGameManager] runSceneWithID:kOptionsScene]; } else if ([itemPassedIn tag] == 4) { CCLOG(@"Tag 4, Credits"); [[GameManager sharedGameManager] runSceneWithID:kCreditsScene]; } } - (void)displayMainMenu { CGSize winSize = [CCDirector sharedDirector].winSize; // Main Menu Top Layer Buttons CCMenuItemImage *playGameButton = [CCMenuItemImage itemFromNormalImage:@"button-start-up.png" selectedImage:@"button-start-down.png" disabledImage:nil target:self selector:@selector(playScene:)]; [playGameButton setTag:1]; CCMenuItemImage *tutorialButton = [CCMenuItemImage itemFromNormalImage:@"button-tutorial-up.png" selectedImage:@"button-tutorial-down.png" disabledImage:nil target:self selector:@selector(playScene:)]; [tutorialButton setTag:2]; // Main Menu Bottom Layer Buttons CCMenuItemImage *optionsButton = [CCMenuItemImage itemFromNormalImage:@"button-options-up.png" selectedImage:@"button-options-down.png" disabledImage:nil target:self selector:@selector(playScene:)]; [optionsButton setTag:3]; CCMenuItemImage *creditsButton = [CCMenuItemImage itemFromNormalImage:@"button-credits-up.png" selectedImage:@"button-credits-down.png" disabledImage:nil target:self selector:@selector(playScene:)]; [creditsButton setTag:4]; mainMenuTop = [CCMenu menuWithItems:playGameButton,tutorialButton,nil]; mainMenuBottom = [CCMenu menuWithItems:optionsButton,creditsButton,nil]; [mainMenuTop alignItemsHorizontallyWithPadding: 10.0f]; [mainMenuTop setPosition: ccp(winSize.width/2, -500)]; [mainMenuBottom alignItemsHorizontallyWithPadding:10.0f]; [mainMenuBottom setPosition:ccp(winSize.width/2, -600)]; id moveActionTop = [CCMoveTo actionWithDuration:0.5f position:ccp(winSize.width/2, 150)]; id moveEffectTop = [CCEaseIn actionWithAction:moveActionTop rate:1.0f]; [mainMenuTop runAction:moveEffectTop]; [self addChild:mainMenuTop z:2 tag:kMainMenuTagValue]; id moveActionBottom = [CCMoveTo actionWithDuration:0.5f position:ccp(winSize.width/2, 75)]; id moveEffectBottom = [CCEaseIn actionWithAction:moveActionBottom rate:1.0f]; [mainMenuBottom runAction:moveEffectBottom]; [self addChild:mainMenuBottom z:3 tag:kMainMenuBottomTagValue]; } -(id)init { self = [super init]; if (self != nil) { [self displayMainMenu]; } return self; } @end </code></pre>
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    1. USKevin Whitaker
    1. USKevin Whitaker
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      1. POCocos2d - CCMenu with multiple buttons calls wrong selector on first load
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      1. VTUpMod
    1. COvery fishy indeed.. could it be that your "CCMenuItemFont* argument for playScene is messing things up (shouldn't it be CCMenuItemImage* anyway)? Or you can try this: -(void)playScene:(id) sender { if([sender tag] == 1 ..}
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      1. POCocos2d - CCMenu with multiple buttons calls wrong selector on first load
      1. USKen Toh
    2. COSemantically that makes more sense, and I have changed it. Sadly, it doesn't solve the problem =/
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      1. POCocos2d - CCMenu with multiple buttons calls wrong selector on first load
      1. USKevin Whitaker
    3. COAdding all of the CCMenuItemImages to a single CCMenu seems to fix the problem, but that doesn't help the "grid" alignment issue I was trying to solve in the first place. Is there a way to align CCMenu items both horizontally and vertically?
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      1. POCocos2d - CCMenu with multiple buttons calls wrong selector on first load
      1. USKevin Whitaker
 

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