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Example Codea Addon
//
// AppDelegate.mm
// <#MyProjectName#>
//
// Created by <#AuthorName#> on <#CurrentDate#>
// Copyright (c) <#AuthorName#>. All rights reserved.
//
#import "AppDelegate.h"
#import "CodeaViewController.h"
//Import our custom Addon
#import "GameCenterAddon.h"
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.viewController = [[CodeaViewController alloc] init];
//Create and add our GameCenterAddon to Codea
[self.viewController registerAddon:[GameCenterAddon sharedInstance]];
//Replace with your project!
NSString* projectPath = [[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent:@"MyProject.codea"];
[self.viewController loadProjectAtPath:projectPath];
self.window.rootViewController = self.viewController;
[self.window makeKeyAndVisible];
return YES;
}
- (void)applicationWillResignActive:(UIApplication *)application
{
}
- (void)applicationDidEnterBackground:(UIApplication *)application
{
}
- (void)applicationWillEnterForeground:(UIApplication *)application
{
}
- (void)applicationDidBecomeActive:(UIApplication *)application
{
}
- (void)applicationWillTerminate:(UIApplication *)application
{
}
@end
//
// GameCenterAddon.h
// MyProject
//
// Created by Simeon on 8/04/13.
// Copyright (c) 2013 MyCompany. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "GCDSingleton.h"
#import "CodeaAddon.h"
@interface GameCenterAddon : NSObject<CodeaAddon>
DEFINE_SHARED_INSTANCE
@end
//
// GameCenterAddon.m
// MyProject
//
// Created by Simeon on 8/04/13.
// Copyright (c) 2013 MyCompany. All rights reserved.
//
#import <GameKit/GameKit.h>
#import "GameCenterAddon.h"
#import "lua.h"
//Forward declare our Lua functions
static int GameCenterStart(struct lua_State *state);
//=================================================================================================
// Private GameCenterAddon Protocols
//=================================================================================================
@interface GameCenterAddon ()<GKGameCenterControllerDelegate>
@property (nonatomic, weak) CodeaViewController *codeaViewController;
@end
//=================================================================================================
// Game Center Addon
//=================================================================================================
@implementation GameCenterAddon
DEFINE_SHARED_INSTANCE_IMPL
- (void) codea:(CodeaViewController*)controller didCreateLuaState:(struct lua_State*)L
{
NSLog(@"GameCenterAddon Registering Functions");
//Store the Codea view controller, so we can present UI from Game Center functions
self.codeaViewController = controller;
//Register the Game Center Start function, defined below
lua_register(L, "GameCenterStart", GameCenterStart);
}
- (void) gameCenterViewControllerDidFinish:(GKGameCenterViewController *)gameCenterViewController
{
//Dismiss the Game Center view
[self.codeaViewController dismissViewControllerAnimated:YES completion:^
{
//Unpause Codea
self.codeaViewController.paused = NO;
}];
}
@end
//=================================================================================================
// Game Center Functions
//=================================================================================================
static int GameCenterStart(struct lua_State *state)
{
GKLocalPlayer *localPlayer = [GKLocalPlayer localPlayer];
/* iOS 6.x */
localPlayer.authenticateHandler = ^(UIViewController *viewController, NSError *error)
{
CodeaViewController *codea = [GameCenterAddon sharedInstance].codeaViewController;
if( viewController != nil )
{
//Pause Codea and present the Game Center view
codea.paused = YES;
[codea presentViewController:viewController animated:YES completion:NULL];
}
else if( [GKLocalPlayer localPlayer].isAuthenticated )
{
//The player has been authenticated
//Normally you would now make your game aware that Game Center is available
// and show things like buttons to access leaderboards
//But we are just going to pop up the main Game Center view controller
GKGameCenterViewController *gc = [[GKGameCenterViewController alloc] init];
gc.gameCenterDelegate = [GameCenterAddon sharedInstance];
[codea presentViewController:gc animated:YES completion:NULL];
}
else
{
//Disable Game Center
//Unpause Codea
codea.paused = NO;
}
};
/* iOS 5.x */
// [localPlayer authenticateWithCompletionHandler:^(NSError *error)
// {
// CodeaViewController *codea = [GameCenterAddon sharedInstance].codeaViewController;
// codea.paused = YES;
//
// if( [GKLocalPlayer localPlayer].isAuthenticated )
// {
// //The player has been authenticated
//
// //Normally you would now make your game aware that Game Center is available
// // and show things like buttons to access leaderboards
//
// //But we are just going to pop up the main Game Center view controller
// GKGameCenterViewController *gc = [[GKGameCenterViewController alloc] init];
// gc.gameCenterDelegate = [GameCenterAddon sharedInstance];
//
// [codea presentViewController:gc animated:YES completion:NULL];
// }
// else
// {
// //Disable Game Center
//
// //Unpause Codea
// codea.paused = NO;
// }
//
// }];
return 0;
}
/*
From https://gist.github.com/1057420
A singleton macro using Grand Central Dispatch's dispatch_once function to create the singleton the first time it is accessed.
* Modified so that the name of the function is always sharedInstance.
*/
/*
USAGE:
@interface MySharedThing
DEFINE_SHARED_INSTANCE
@end
@implementation MySharedThing
DEFINE_SHARED_INSTANCE_IMPL
@end
OR, you can define the initialiser with a block (this is equivalent to using DEFINE_SHARED_INSTANCE_IMPL):
@implementation MySharedThing
DEFINE_SHARED_INSTANCE_USING_BLOCK(^{
return [[self alloc] init];
})
@end
*/
#define DEFINE_SHARED_INSTANCE_USING_BLOCK(block) \
+ (instancetype)sharedInstance\
{\
static dispatch_once_t pred = 0; \
__strong static id _sharedObject = nil; \
dispatch_once(&pred, ^{ \
_sharedObject = block(); \
}); \
return _sharedObject; \
}\
#define DEFINE_SHARED_INSTANCE \
+ (instancetype)sharedInstance;\
#define DEFINE_SHARED_INSTANCE_IMPL \
DEFINE_SHARED_INSTANCE_USING_BLOCK(^{\
return [[self alloc] init];\
})\
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