// ShootGame.m

#import "ShootGame.h"

@implementation ShootGame

@synthesize enemySprites, missileSprites;

+(id) scene {
    CCScene *scene = [CCScene node];
    ShootGame *layer = [ShootGame node];
    [scene addChild: layer];
    return scene;
}

-(id)init{
    if ( (self=[super init]) ) {
        self.isTouchEnabled = YES;
        self.isAccelerometerEnabled = YES;
       
        //sprite = nil;
        //CGSize size = [[CCDirector sharedDirector] winSize];
       
        CCSprite *sprite = [CCSprite spriteWithFile:@"shooter.png"];
        [sprite setPosition:ccp(26, 50)];
        [self addChild:sprite z:1 tag:1];
       
        self.enemySprites = [[NSMutableArray alloc] init];
        self.missileSprites = [[NSMutableArray alloc] init];
       
        [self schedule:@selector(scheduleEnemy:) interval:1.0];
        [self schedule:@selector(scheduleCollision:)];
    }
    return self;
}

- (CGRect) spriteRect:(CCSprite *)sprite {
    CGRect rect = CGRectMake(
        sprite.position.x - (sprite.contentSize.width/2),
        sprite.position.y - (sprite.contentSize.height/2),
        sprite.contentSize.width,
        sprite.contentSize.height);
    return rect;
}

- (void) moveFinished : (id) sender {
    CCSprite *sprite = (CCSprite *) sender;
    if (sprite.tag == 101) {
        [enemySprites removeObject:sprite];
    } else if (sprite.tag == 102) {
        [missileSprites removeObject:sprite];
    }
    [self removeChild:sprite cleanup:YES];
}

- (void) addEnemySprite {
    int rand = arc4random() % 2;
    CCSprite *enemy = [CCSprite spriteWithFile:[NSString stringWithFormat:@"enemy%d.png",rand]];
    CGSize winsize = [[CCDirector sharedDirector] winSize];
    int pointY = (arc4random() % 200 + 100);
    int timeDuration = (arc4random() % 4 + 1);
    enemy.position = ccp( winsize.width + (enemy.contentSize.width/2) , pointY);
    enemy.tag = 101;
    [enemySprites addObject:enemy];
    [self addChild:enemy];
    id actionMove = [CCMoveTo actionWithDuration:timeDuration position:ccp( -enemy.contentSize.width/2 , pointY)];
    id moveDone = [CCCallFuncN actionWithTarget:self selector:@selector(moveFinished:)];                
    [enemy runAction:[CCSequence actions:actionMove, moveDone, nil]];
}    

- (void) destroyEnemy:(CCSprite *)enemy {
    [enemy stopAllActions];
    id shaky = [CCShaky3D actionWithRange:4 shakeZ:NO grid:ccg(15,10) duration:1];
    id clear = [CCCallFuncN actionWithTarget:self selector:@selector(moveFinished:)];
    [enemy runAction: [CCSequence actions:shaky, clear, nil]];
}

- (void) checkCollision {
    NSMutableArray *crashMissiles = [[NSMutableArray alloc] init];
    for (CCSprite *missile in missileSprites)     {
        CGRect missileRect = [self spriteRect:missile];
        //NSLog(@"%@",NSStringFromCGRect(missileRect));
        NSMutableArray *crashSprites = [[NSMutableArray alloc] init];
        for ( CCSprite *enemy in enemySprites ) {
            CGRect enemyRect = [self spriteRect:enemy];
            if( CGRectIntersectsRect (missileRect, enemyRect) ) {
                [crashSprites addObject:enemy];
            }                                        
        }
        if (crashSprites.count > 0) {
            [crashMissiles addObject:missile];
        }
        for (CCSprite *enemy in crashSprites) {
            [enemySprites removeObject:enemy];
            //[self removeChild:enemy cleanup:YES];
            [self destroyEnemy:enemy];
        }
        [crashSprites release];
    }
   
    for (CCSprite *missile in crashMissiles) {
        [missileSprites removeObject:missile];
        [self removeChild:missile cleanup:YES];
    }
    [crashMissiles release];
}
                   
- (void) scheduleEnemy: (ccTime)dt {
    [self addEnemySprite];
}                    

- (void) scheduleCollision: (ccTime)dt {
    [self checkCollision];
}    

-(void)doTask{
    NSLog(@"doTask");
}

- (void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    UITouch *touch = [touches anyObject];
    if( touch ) {
        //CGSize winsize = [[CCDirector sharedDirector] winSize];
        CGPoint location = [touch locationInView: [touch view]];
        CGPoint convertedPoint = [[CCDirector sharedDirector] convertToGL:location];

        CCNode *sprite = [self getChildByTag:1];
       
        CCSprite *missile = [CCSprite spriteWithFile:@"missile.png"];
        [missileSprites addObject:missile];
       
        int touchY = convertedPoint.y;
        int positionX = sprite.position.x;
        int positionY = sprite.position.y;
        id moveSprite;
        if (touchY > positionY) {
            moveSprite = [CCMoveTo actionWithDuration:0.5f position:ccp(positionX, positionY+40)];
        } else {
            moveSprite = [CCMoveTo actionWithDuration:0.5f position:ccp(positionX, positionY-40)];
        }
        [sprite runAction:moveSprite];
       
        missile.position = ccp(40, positionY);
        //missile.tag = 102;
        [self addChild:missile z:102 tag:102];
        id moveMissile = [CCMoveTo actionWithDuration:1.5f position:ccp(460, positionY)];
        id clearMissile = [CCCallFuncN actionWithTarget:self selector:@selector(moveFinished:)];
        //id actonMissile [CCSequence actions:moveMissile, clearMissile, nil];
        [missile runAction:[CCSequence actions:moveMissile, clearMissile, nil]];
    }
}

- (void)accelerometer:(UIAccelerometer*)accelerometer didAccelerate:(UIAcceleration*)acceleration {
    CCNode *sprite = [self getChildByTag:1];
    CGPoint converted = ccp( (float)-acceleration.y, (float)acceleration.x);
    sprite.rotation = (float) CC_RADIANS_TO_DEGREES( atan2f( converted.x, converted.y) + M_PI );
    sprite.scale = 0.5f + sqrtf( (converted.x * converted.x) + (converted.y * converted.y) );
}

@end