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+//
+//  JumpGameMode.m
+//  Cart Collect
+//
+//  Created by Starla Insigna on 8/17/11.
+//  Copyright 2011 Four Island. All rights reserved.
+//
+
+#import "JumpGameMode.h"
+#import "SimpleAudioEngine.h"
+#import "FallingObject.h"
+#import "Cherry.h"
+#import "Bottle.h"
+#import "OneUp.h"
+#import "Rock.h"
+#import "GameOverScene.h"
+
+#define kMinimumGestureLength  25
+
+@interface LedgeFactory : NSObject {
+    UIImage* leftSprite;
+    UIImage* midSprite;
+    UIImage* rightSprite;
+    UIImage* singleSprite;
+}
+
+- (id)init;
+- (UIImage*)createLedgeWithWidth:(int)width height:(int)height;
+
+@end
+
+@implementation JumpGameMode
+
+- (id)init
+{
+    self = [super init];
+    
+    if (nil != self)
+    {
+        CCSprite* backgroundImage = [CCSprite spriteWithFile:@"SeaBeach.png"];
+                backgroundImage.position = ccp(240, 160);
+                [self addChild:backgroundImage z:-1];
+        
+        water = [CCSprite spriteWithFile:@"water.png"];
+        water.position = ccp(240, -60);
+        [self addChild:water];
+        
+        cart.sprite.position = ccp(120, 22+64); //86
+        cart.falling = YES;
+        cart.delegate = self;
+        
+        self.isTouchEnabled = YES;
+        
+        waterTick = 0;
+        wave = NO;
+        
+        factory = [[LedgeFactory alloc] init];
+        ledges = [[NSMutableSet alloc] init];
+        CCSprite* ledge = [CCSprite spriteWithTexture:[[CCTexture2D alloc] initWithImage:[factory createLedgeWithWidth:6 height:2]]];
+        ledge.position = ccp(80, 32);
+        [self addChild:ledge];
+        [ledges addObject:ledge];
+        
+        ledgeScrollSpeed = 0;
+        ledgeAccelerationRate = 20.0f;
+        addSpeed = 2.5f;
+    }
+    
+    return self;
+}
+
+- (void)onEnterTransitionDidFinish
+{
+    [super onEnterTransitionDidFinish];
+
+    [self schedule:@selector(accelerateLedgeScrolling) interval:ledgeAccelerationRate];
+    [self schedule:@selector(randomlyAddObject:) interval:addSpeed];
+    [self schedule:@selector(incrementScore) interval:1.0f];
+    
+    [self scheduleDelayedAction:^{
+        wave = YES;
+    } delay:60.0f];
+}
+
+- (void)tick:(ccTime)dt
+{
+    NSMutableSet* discardedSet = [NSMutableSet set];
+    int rightmost = 0;
+    int rightwidth = 0;
+    
+    for (CCSprite* sprite in ledges)
+    {
+        sprite.position = ccp(sprite.position.x - ledgeScrollSpeed, sprite.position.y);
+        
+        if ((sprite.position.x + sprite.boundingBox.size.width/2) < 0)
+        {
+            [discardedSet addObject:sprite];
+            [self removeChild:sprite cleanup:YES];
+        }
+        
+        if (sprite.position.x > rightmost)
+        {
+            rightmost = sprite.position.x;
+            rightwidth = sprite.boundingBox.size.width/2;
+        }
+    }
+    
+    for (FallingObject* object in objects)
+    {
+        if (waterTick > 0)
+        {
+            object.sprite.position = ccp(object.sprite.position.x, MAX(object.sprite.position.y, water.position.y+80+11));
+        } else {
+            object.sprite.position = ccp(object.sprite.position.x-ledgeScrollSpeed, object.sprite.position.y);
+        }
+    }
+    
+    [ledges minusSet:discardedSet];
+    
+    if (rightmost <= 480)
+    {
+        CCSprite* ledge = [CCSprite spriteWithTexture:[[CCTexture2D alloc] initWithImage:[factory createLedgeWithWidth:(arc4random() % 10) height:2]]];
+        ledge.position = ccp(rightmost + rightwidth + ledge.boundingBox.size.width/2+64, 32);
+        [self addChild:ledge];
+        [ledges addObject:ledge];
+    }
+    
+    if ([self cartIsObstructed:cart])
+    {
+        cart.sprite.position = ccp(cart.sprite.position.x-ledgeScrollSpeed, cart.sprite.position.y);
+    }
+ 
+    int lastScore = score;
+    
+    [super tick:dt];
+    
+    if (cart.sprite.position.y == (0-cart.sprite.boundingBox.size.height/2))
+    {
+        [self setLives:self.lives-1];
+        
+        [[SimpleAudioEngine sharedEngine] playEffect:[[NSBundle mainBundle] pathForResource:@"Damage1" ofType:@"wav"]];
+        
+        cart.sprite.position = ccp(cart.sprite.position.x, 320 + cart.sprite.boundingBox.size.height/2);
+    }
+    
+    if (lives == 0)
+        {
+        [self unscheduleAllSelectors];
+        
+        [[CCDirector sharedDirector] replaceScene:[CCTransitionSlideInT transitionWithDuration:1.5f scene:[GameOverScene sceneWithScore:score gameMode:@"Jump"]]];
+        } else if (score > lastScore)
+        {
+                if ((lastScore < 240) && (score >= 240))
+                {
+                        [self unschedule:@selector(randomlyAddObject:)];
+                        [self schedule:@selector(randomlyAddObject:) interval:0.6f];
+                        addSpeed = 0.6f;
+        } else if ((lastScore < 180) && (score >= 180))
+                {
+                        [self unschedule:@selector(randomlyAddObject:)];
+                        [self schedule:@selector(randomlyAddObject:) interval:0.7f];
+                        addSpeed = 0.7f;
+                } else if ((lastScore < 120) && (score >= 120))
+                {
+                        [self unschedule:@selector(randomlyAddObject:)];
+                        [self schedule:@selector(randomlyAddObject:) interval:0.8f];
+                        addSpeed = 0.8f;
+                } else if ((lastScore < 90) && (score >= 90))
+                {
+                        [self unschedule:@selector(randomlyAddObject:)];
+                        [self schedule:@selector(randomlyAddObject:) interval:0.9f];
+                        addSpeed = 0.9f;
+                } else if ((lastScore < 60) && (score >= 60))
+                {
+                        [self unschedule:@selector(randomlyAddObject:)];
+                        [self schedule:@selector(randomlyAddObject:) interval:1.0f];
+                        addSpeed = 1.0f;
+                } else if ((lastScore < 30) && (score >= 30))
+                {
+                        [self unschedule:@selector(randomlyAddObject:)];
+                        [self schedule:@selector(randomlyAddObject:) interval:2.0f];
+                        addSpeed = 2.0f;
+                }
+        }
+    
+    if (wave)
+    {
+        waterTick++;
+        
+        water.position = ccp(240, 140 * sin(waterTick / (36 * M_PI)) - 60);
+        
+        if (waterTick == 180)
+        {
+            wave = NO;
+            
+            [self scheduleDelayedAction:^{
+                wave = YES;
+            } delay:10.0f];
+        } else if (waterTick == 360)
+        {
+            wave = NO;
+            waterTick = 0;
+            
+            [self scheduleDelayedAction:^{
+                wave = YES;
+            } delay:60.0f];
+        }
+    }
+    
+    if (jump)
+    {
+        jumpTick++;
+        
+        cart.sprite.position = ccp(cart.sprite.position.x, MAX(100 * sin(jumpTick / (2 * M_PI)) + 86, water.position.y+80+11));
+        
+        if (jumpTick == 20)
+        {
+            jump = NO;
+            jumpTick = 0;
+            cart.falling = YES;
+        }
+    }
+}
+
+- (void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
+{
+    UITouch* touch = [touches anyObject];
+    gestureStartPoint = [touch locationInView:nil];
+}
+
+- (void)ccTouchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
+{
+    UITouch* touch = [touches anyObject];
+    CGPoint gestureCurrentPosition = [touch locationInView:nil];
+    CGFloat angle = atan2f(gestureCurrentPosition.y - gestureStartPoint.y, gestureCurrentPosition.x - gestureStartPoint.x);
+    CGFloat distance = sqrt(powf((gestureCurrentPosition.x - gestureStartPoint.x),2) + powf((gestureCurrentPosition.y - gestureStartPoint.y),2));
+    
+    if ((distance >= kMinimumGestureLength) && (angle >= expectedAngle - M_PI_4) && (angle <= expectedAngle + M_PI_4) && ((cart.sprite.position.y >= 80) && (cart.sprite.position.y <= 90)))
+    {
+        jump = YES;
+        cart.falling = NO;
+    }
+}
+
+- (void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration
+{
+    [super accelerometer:accelerometer didAccelerate:acceleration];
+    
+    expectedAngle = acceleration.y*M_PI_2;
+}
+
+- (int)cartShouldFall:(Cart *)m_cart
+{
+    int bottom = 0-m_cart.sprite.boundingBox.size.height/2;
+    
+    for (CCSprite* sprite in ledges)
+    {
+        CGSize first = [m_cart.sprite boundingBox].size;
+        CGSize second = [sprite boundingBox].size;
+        
+        if (m_cart.sprite.position.x > (sprite.position.x - second.width/2 - first.width/2))
+        {
+            if (m_cart.sprite.position.x < (sprite.position.x + second.width/2 + first.width/2))
+            {
+                bottom = sprite.position.y + second.height/2 + first.height/2;
+                break;
+            }
+        }
+    }
+    
+    if (waterTick > 0)
+    {
+        bottom = MAX(water.position.y+80+11, bottom);
+    }
+    
+    return bottom;
+}
+
+- (BOOL)cartIsObstructed:(Cart *)m_cart
+{
+    for (CCSprite* sprite in ledges)
+    {
+        CGSize first = [m_cart.sprite boundingBox].size;
+        CGSize second = [sprite boundingBox].size;
+        
+        if (m_cart.sprite.position.x > (sprite.position.x - second.width/2 - first.width/2))
+        {
+            if (m_cart.sprite.position.x < (sprite.position.x + second.width/2 + first.width/2))
+            {
+                if (m_cart.sprite.position.y > (sprite.position.y - second.height/2 - first.height/2))
+                {
+                    if (m_cart.sprite.position.y < (sprite.position.y + second.height/2 + first.height/2))
+                    {
+                        return YES;
+                    }
+                }
+            }
+        }
+    }
+    
+    return NO;
+}
+
+- (void)accelerateLedgeScrolling
+{
+    [self unschedule:@selector(accelerateLedgeScrolling)];
+    
+    ledgeScrollSpeed += 2;
+    ledgeAccelerationRate *= 2;
+    
+    [self schedule:@selector(accelerateLedgeScrolling) interval:ledgeAccelerationRate];
+}
+
+- (void)randomlyAddObject:(ccTime)dt
+{
+        FallingObject* object;
+    
+        if (score < 120)
+        {
+                int randomval = arc4random()%100;
+                
+                if (randomval < 80)
+                {
+                        object = [[Rock alloc] init];
+                } else {
+                        object = [[OneUp alloc] init];
+                }
+        } else {
+                int randomval = arc4random()%100;
+                
+                if (randomval < 70)
+                {
+                        object = [[Rock alloc] init];
+                } else {
+                        object = [[OneUp alloc] init];
+                }
+        }
+        
+        int objectX = arc4random()%448+16;
+        object.sprite.position = ccp(objectX, 360);
+        object.sprite.scale = 1;
+        [self addChild:object.sprite];
+        
+        [objects addObject:object];
+    [object release];
+        
+        if (score >= 120)
+        {
+                if (arc4random() % 100 > 80)
+                {
+                        object = [[Rock alloc] init];
+                        
+                        objectX = arc4random()%448+16;
+                        object.sprite.position = ccp(objectX, 360);
+                        object.sprite.scale = 1;
+                        [self addChild:object.sprite];
+                        
+                        [objects addObject:object];
+            [object release];
+                }
+        }
+        
+        if (score >= 240)
+        {
+                if (arc4random() % 100 > 80)
+                {
+                        object = [[Rock alloc] init];
+                        
+                        objectX = arc4random()%448+16;
+                        object.sprite.position = ccp(objectX, 360);
+                        object.sprite.scale = 1;
+                        [self addChild:object.sprite];
+                        
+                        [objects addObject:object];
+            [object release];
+                }
+        }
+}
+
+- (void)incrementScore
+{
+    [self setScore:self.score+1];
+}
+
+@end
+
+@implementation LedgeFactory
+
+- (id)init
+{
+    self = [super init];
+    
+    CGImageRef framestuff = [[UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"ledge" ofType:@"png"]] CGImage];
+    CGImageRef leftRef = CGImageCreateWithImageInRect(framestuff, CGRectMake(0, 0, 32, 32));
+    CGImageRef midRef = CGImageCreateWithImageInRect(framestuff, CGRectMake(32, 0, 32, 32));
+    CGImageRef rightRef = CGImageCreateWithImageInRect(framestuff, CGRectMake(64, 0, 32, 32));
+    CGImageRef singleRef = CGImageCreateWithImageInRect(framestuff, CGRectMake(96, 0, 32, 32));
+    leftSprite = [[UIImage alloc] initWithCGImage:leftRef];
+    midSprite = [[UIImage alloc] initWithCGImage:midRef];
+    rightSprite = [[UIImage alloc] initWithCGImage:rightRef];
+    singleSprite = [[UIImage alloc] initWithCGImage:singleRef];
+    CGImageRelease(leftRef);
+    CGImageRelease(midRef);
+    CGImageRelease(rightRef);
+    CGImageRelease(singleRef);
+    
+    return self;
+}
+
+- (UIImage*)createLedgeWithWidth:(int)width height:(int)height
+{
+    UIGraphicsBeginImageContext(CGSizeMake(width*32, height*32));
+    
+    for (int y=0; y<height; y++)
+    {
+        if (width == 1)
+        {
+            [singleSprite drawInRect:CGRectMake(0, y*32, 32, 32)];
+        } else {
+            [leftSprite drawInRect:CGRectMake(0, y*32, 32, 32)];
+            
+            for (int x=1; x<(width-1); x++)
+            {
+                [midSprite drawInRect:CGRectMake(x*32, y*32, 32, 32)];
+            }
+            
+            [rightSprite drawInRect:CGRectMake((width-1)*32, y*32, 32, 32)];
+        }
+    }
+    
+    UIImage* result = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    
+    return result;
+}
+
+@end
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