Source release of Wolfenstein 3D Classic Platinum for iOS, 2.1

wolf3d/code/iphone/CreditsViewController.m

@@ -0,0 +1,116 @@
+/*
+ 
+ Copyright (C) 2011 id Software LLC, a ZeniMax Media company. 
+
+ This file is part of the WOLF3D iOS v2.1 GPL Source Code. 
+
+ 
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+ 
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ 
+ */
+
+#import "CreditsViewController.h"
+#import <QuartzCore/CAAnimation.h>
+
+#define CREDITS_ANIMATION_POINTS_PER_SECOND		( 320.0f / 6.0f ) // Six seconds to scroll up
+																  // an iPhone screen.
+
+@interface CreditsViewController ()
+
+	@property (nonatomic, retain) UIView* creditsRoll;
+
+@end
+
+@implementation CreditsViewController
+
+@synthesize creditsRoll;
+
+// The designated initializer.  Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
+/*
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        // Custom initialization.
+    }
+    return self;
+}
+*/
+
+/*
+// Implement loadView to create a view hierarchy programmatically, without using a nib.
+- (void)loadView {
+}
+*/
+
+
+// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
+- (void)viewDidLoad {
+    [super viewDidLoad];
+	
+	// This is the starting position of the credits text.
+	CGPoint startPoint = self.creditsRoll.center;
+	
+	// Set up the end point. We can stop the animation as soon as the bottom of the credits
+	// get to the top of the screen.
+	CGPoint endPoint = startPoint;
+	
+	endPoint.y = -self.creditsRoll.bounds.size.height;
+	
+	// Start credits animation
+	CABasicAnimation *theAnimation;
+ 
+	theAnimation=[CABasicAnimation animationWithKeyPath:@"position"];
+	
+	CGFloat pointDistance = endPoint.y - startPoint.y;
+	
+	theAnimation.duration= fabs( pointDistance ) * ( 1.0f / CREDITS_ANIMATION_POINTS_PER_SECOND );
+	
+	theAnimation.fromValue=[NSValue valueWithCGPoint:startPoint];
+	theAnimation.toValue=[NSValue valueWithCGPoint:endPoint];
+	
+	[self.creditsRoll.layer addAnimation:theAnimation forKey:@"animatePosition"];
+}
+
+
+// Override to allow orientations other than the default portrait orientation.
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations.
+    return UIInterfaceOrientationIsLandscape(interfaceOrientation);
+}
+
+- (void)didReceiveMemoryWarning {
+    // Releases the view if it doesn't have a superview.
+    [super didReceiveMemoryWarning];
+    
+    // Release any cached data, images, etc. that aren't in use.
+}
+
+- (void)viewDidUnload {
+    [super viewDidUnload];
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+	self.creditsRoll = nil;
+}
+
+
+- (void)dealloc {
+    [super dealloc];
+}
+
+- (IBAction)back:(id)sender {
+	[self.navigationController popViewControllerAnimated:YES];
+}
+
+@end