#import "QnDMaze_iPhoneAppDelegate.h"

#import "EAGLView.h"
#import "MazeController.h"

@implementation QnDMaze_iPhoneAppDelegate

#define STEP_INTERVAL (1.0 / 120.0)

@synthesize window;
@synthesize glView;

- (void) applicationDidFinishLaunching: (UIApplication *) application {
	mazeController = [[MazeController alloc] init];
	lastTime = [NSDate timeIntervalSinceReferenceDate];
	slop = 0.0;
	
	glView.animationInterval = 1.0 / 60.0;
	[glView startAnimation];
}

- (void) applicationWillResignActive: (UIApplication *) application {
	glView.animationInterval = 1.0 / 5.0;
}

- (void) applicationDidBecomeActive: (UIApplication *) application {
	glView.animationInterval = 1.0 / 60.0;
}

- (void) dealloc {
	[window release];
	[glView release];
	[super dealloc];
}

- (void) drawScene {
	double currentTime, interval;
	
	if (mazeController == nil) return;
	
	currentTime = [NSDate timeIntervalSinceReferenceDate];
	interval = (currentTime - lastTime) + slop;
	
	while (interval > STEP_INTERVAL) {
		[mazeController run];
		interval -= STEP_INTERVAL;
	}
	slop = interval;
	lastTime = currentTime;
	
	[mazeController draw];
}

- (void) rotateLeft {
	[mazeController rotateLeft];
}

- (void) rotateRight {
	[mazeController rotateRight];
}

- (void) rotateUp {
	[mazeController rotateUp];
}

- (void) rotateDown {
	[mazeController rotateDown];
}

- (void) moveForward {
	[mazeController moveForward];
}

@end