Classes/TankViewController.h

/*
 
 ===== IMPORTANT =====
 
 This is sample code demonstrating API, technology or techniques in development.
 Although this sample code has been reviewed for technical accuracy, it is not
 final. Apple is supplying this information to help you plan for the adoption of
 the technologies and programming interfaces described herein. This information
 is subject to change, and software implemented based on this sample code should
 be tested with final operating system software and final documentation. Newer
 versions of this sample code may be provided with future seeds of the API or
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 =====================
 
 File: TankViewController.h
 Abstract: A simple game showing off the features of GameKit.
 
 Version: 1.0
 
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#import <UIKit/UIKit.h>
#import <GameKit/GameKit.h>
 
#define NUMWALLS    32
 
typedef enum {
    BLOCK_VERTICAL,
    BLOCK_HORIZONTAL
} levelBlockType;
 
typedef enum {
    NETWORK_ACK,                    // no packet
    NETWORK_COINTOSS,               // decide who is going to be the server
    NETWORK_MOVE_EVENT,             // send position
    NETWORK_FIRE_EVENT,             // send fire
    NETWORK_HEARTBEAT               // send of entire state at regular intervals
} packetCodes;
 
typedef struct {
    CGPoint     tankPreviousPosition;
    CGPoint     tankPosition;
    CGPoint     tankMissilePosition;
    CGPoint     tankDestination;
    
    float       tankRotation;
    float       tankDirection;
    float       tankMissileDirection;
    int         tankMissile;
} tankInfo;
 
@interface TankViewController : UIViewController <GKPeerPickerControllerDelegate, GKSessionDelegate, UIAlertViewDelegate> {
    IBOutlet    UIImageView     *tank1;
    IBOutlet    UIImageView     *tank2;
    IBOutlet    UIImageView     *missile1;
    IBOutlet    UIImageView     *missile2;
    
    IBOutlet    UILabel         *gameLabel;
    IBOutlet    UILabel         *score1;
    IBOutlet    UILabel         *score2;
 
    UIImageView *walls[NUMWALLS];
    
    UIImage     *levelBlockV;
    UIImage     *levelBlockH;
    
    CGPoint     tank1Start;
    CGPoint     tank2Start;
    tankInfo    tankStats[2];
    
    int         levelBlocks;
    int         playerScore1, playerScore2;
    
    NSInteger   gameState;
    NSInteger   peerStatus;
    
    // networking
    GKSession       *gameSession;
    int             gameUniqueID;
    int             gamePacketNumber;
    NSString        *gamePeerId;
    NSDate          *lastHeartbeatDate;
    
    UIAlertView     *connectionAlert;
}
 
@property(nonatomic, retain) IBOutlet UIImageView   *tank1;
@property(nonatomic, retain) IBOutlet UIImageView   *tank2;
@property(nonatomic, retain) IBOutlet UIImageView   *missile1;
@property(nonatomic, retain) IBOutlet UIImageView   *missile2;
@property(nonatomic, retain) IBOutlet UILabel       *gameLabel;
@property(nonatomic, retain) IBOutlet UILabel       *score1;
@property(nonatomic, retain) IBOutlet UILabel       *score2;
@property(nonatomic, retain) UIImage *levelBlockV;
@property(nonatomic, retain) UIImage *levelBlockH;
 
@property(nonatomic) NSInteger      gameState;
@property(nonatomic) NSInteger      peerStatus;
 
@property(nonatomic, retain) GKSession   *gameSession;
@property(nonatomic, copy)   NSString    *gamePeerId;
@property(nonatomic, retain) NSDate      *lastHeartbeatDate;
@property(nonatomic, retain) UIAlertView *connectionAlert;
 
- (void)invalidateSession:(GKSession *)session;
 
- (void)playerReset;
- (void)updateTanks;
- (void)gameLoop;
- (void)addToLevel:(levelBlockType)bType atX:(float)x atY:(float)y width:(float)w height:(float)h;
- (void)sendNetworkPacket:(GKSession *)session packetID:(int)packetID withData:(void *)data ofLength:(int)length reliable:(BOOL)howtosend;
- (BOOL)parseXMLFileAtURL:(NSURL *)URL parseError:(NSError **)error;
 
@end