nuclear@39: /*
nuclear@39: Stereoscopic tunnel for iOS.
nuclear@39: Copyright (C) 2011  John Tsiombikas <nuclear@member.fsf.org>
nuclear@39: 
nuclear@39: This program is free software: you can redistribute it and/or modify
nuclear@39: it under the terms of the GNU General Public License as published by
nuclear@39: the Free Software Foundation, either version 3 of the License, or
nuclear@39: (at your option) any later version.
nuclear@39: 
nuclear@39: This program is distributed in the hope that it will be useful,
nuclear@39: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@39: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@39: GNU General Public License for more details.
nuclear@39: 
nuclear@39: You should have received a copy of the GNU General Public License
nuclear@39: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@39: */
nuclear@39: 
nuclear@39: /* XXX this file is mostly generated from Xcode and therefore sucks ass */
nuclear@39: 
nuclear@35: #import "EAGLView.h"
nuclear@35: #import "ES2Renderer.h"
nuclear@35: #import "ui.h"
nuclear@0: 
nuclear@0: 
nuclear@35: static UI *optgui;
nuclear@35: 
nuclear@0: 
nuclear@0: @implementation EAGLView
nuclear@0: 
nuclear@0: @synthesize animating;
nuclear@0: @dynamic animationFrameInterval;
nuclear@0: 
nuclear@0: // You must implement this method
nuclear@0: + (Class)layerClass
nuclear@0: {
nuclear@35: 	return [CAEAGLLayer class];
nuclear@0: }
nuclear@0: 
nuclear@0: //The EAGL view is stored in the nib file. When it's unarchived it's sent -initWithCoder:
nuclear@0: - (id)initWithCoder:(NSCoder*)coder
nuclear@30: {
nuclear@35: 	if ((self = [super initWithCoder:coder]))
nuclear@35: 	{
nuclear@35: 		// Get the layer
nuclear@35: 		CAEAGLLayer *eaglLayer = (CAEAGLLayer *)self.layer;
nuclear@0: 
nuclear@30: 		//self.contentScaleFactor = 2.0;
nuclear@30: 
nuclear@35: 		eaglLayer.opaque = TRUE;
nuclear@35: 		eaglLayer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys:
nuclear@35: 										[NSNumber numberWithBool:FALSE], kEAGLDrawablePropertyRetainedBacking, kEAGLColorFormatRGBA8, kEAGLDrawablePropertyColorFormat, nil];
nuclear@0: 
nuclear@35: 		renderer = [[ES2Renderer alloc] init];
nuclear@35: 		if (!renderer) {
nuclear@35: 			[self release];
nuclear@35: 			return nil;
nuclear@35: 		}
nuclear@0: 
nuclear@35: 		animating = FALSE;
nuclear@35: 		displayLinkSupported = FALSE;
nuclear@35: 		animationFrameInterval = 1;
nuclear@35: 		displayLink = nil;
nuclear@35: 		animationTimer = nil;
nuclear@0: 
nuclear@35: 		// A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer
nuclear@35: 		// class is used as fallback when it isn't available.
nuclear@35: 		NSString *reqSysVer = @"3.1";
nuclear@35: 		NSString *currSysVer = [[UIDevice currentDevice] systemVersion];
nuclear@35: 		if ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending)
nuclear@35: 			displayLinkSupported = TRUE;
nuclear@30: 
nuclear@30: 		self.multipleTouchEnabled = 1;
nuclear@0: 
nuclear@35: 		// load the options gui
nuclear@35: 		optgui = [[UI alloc] initWithNibName:@"ui" bundle: [NSBundle mainBundle]];
nuclear@35: 		hide_options();
nuclear@35: 		[self addSubview: optgui.view];
nuclear@35: 	}
nuclear@35: 
nuclear@35: 	return self;
nuclear@0: }
nuclear@0: 
nuclear@0: - (void)drawView:(id)sender
nuclear@0: {
nuclear@35: 	[renderer render];
nuclear@0: }
nuclear@0: 
nuclear@0: - (void)layoutSubviews
nuclear@0: {
nuclear@35: 	[renderer resizeFromLayer:(CAEAGLLayer*)self.layer];
nuclear@35: 	[self drawView:nil];
nuclear@0: }
nuclear@0: 
nuclear@0: - (NSInteger)animationFrameInterval
nuclear@0: {
nuclear@35: 	return animationFrameInterval;
nuclear@0: }
nuclear@0: 
nuclear@0: - (void)setAnimationFrameInterval:(NSInteger)frameInterval
nuclear@0: {
nuclear@35: 	// Frame interval defines how many display frames must pass between each time the
nuclear@35: 	// display link fires. The display link will only fire 30 times a second when the
nuclear@35: 	// frame internal is two on a display that refreshes 60 times a second. The default
nuclear@35: 	// frame interval setting of one will fire 60 times a second when the display refreshes
nuclear@35: 	// at 60 times a second. A frame interval setting of less than one results in undefined
nuclear@35: 	// behavior.
nuclear@35: 	if (frameInterval >= 1)
nuclear@35: 	{
nuclear@35: 		animationFrameInterval = frameInterval;
nuclear@0: 
nuclear@35: 		if (animating)
nuclear@35: 		{
nuclear@35: 			[self stopAnimation];
nuclear@35: 			[self startAnimation];
nuclear@35: 		}
nuclear@35: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: - (void)startAnimation
nuclear@0: {
nuclear@35: 	if (!animating)
nuclear@35: 	{
nuclear@35: 		if (displayLinkSupported)
nuclear@35: 		{
nuclear@35: 			// CADisplayLink is API new to iPhone SDK 3.1. Compiling against earlier versions will result in a warning, but can be dismissed
nuclear@35: 			// if the system version runtime check for CADisplayLink exists in -initWithCoder:. The runtime check ensures this code will
nuclear@35: 			// not be called in system versions earlier than 3.1.
nuclear@0: 
nuclear@35: 			displayLink = [NSClassFromString(@"CADisplayLink") displayLinkWithTarget:self selector:@selector(drawView:)];
nuclear@35: 			[displayLink setFrameInterval:animationFrameInterval];
nuclear@35: 			[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
nuclear@35: 		}
nuclear@35: 		else
nuclear@35: 			animationTimer = [NSTimer scheduledTimerWithTimeInterval:(NSTimeInterval)((1.0 / 60.0) * animationFrameInterval) target:self selector:@selector(drawView:) userInfo:nil repeats:TRUE];
nuclear@0: 
nuclear@35: 		animating = TRUE;
nuclear@35: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: - (void)stopAnimation
nuclear@0: {
nuclear@35: 	if (animating)
nuclear@35: 	{
nuclear@35: 		if (displayLinkSupported)
nuclear@35: 		{
nuclear@35: 			[displayLink invalidate];
nuclear@35: 			displayLink = nil;
nuclear@35: 		}
nuclear@35: 		else
nuclear@35: 		{
nuclear@35: 			[animationTimer invalidate];
nuclear@35: 			animationTimer = nil;
nuclear@35: 		}
nuclear@0: 
nuclear@35: 		animating = FALSE;
nuclear@35: 	}
nuclear@0: }
nuclear@0: 
nuclear@30: static int touch_active;
nuclear@30: static CGPoint start_touch;
nuclear@30: extern int use_bump;
nuclear@30: 
nuclear@30: - (void) touchesBegan: (NSSet*) touches withEvent: (UIEvent*) event
nuclear@30: {
nuclear@30: 	UITouch *touch = [[touches allObjects] objectAtIndex: 0];
nuclear@30: 
nuclear@30: 	start_touch = [touch locationInView: self];
nuclear@30: 	touch_active = 1;
nuclear@30: }
nuclear@30: 
nuclear@30: - (void) touchesEnded: (NSSet*) touches withEvent: (UIEvent*) event
nuclear@30: {
nuclear@30: 	UITouch *touch = [[touches allObjects] objectAtIndex: 0];
nuclear@30: 
nuclear@30: 	CGPoint end_touch = [touch locationInView: self];
nuclear@30: 	int dx = end_touch.x - start_touch.x;
nuclear@30: 	int dy = end_touch.y - start_touch.y;
nuclear@30: 
nuclear@30: 	if(dx * dx + dy * dy < 30) {
nuclear@35: 		show_options();
nuclear@30: 	}
nuclear@30: }
nuclear@30: 
nuclear@0: - (void)dealloc
nuclear@0: {
nuclear@35: 	[renderer release];
nuclear@0: 
nuclear@35: 	[super dealloc];
nuclear@0: }
nuclear@0: 
nuclear@0: @end
nuclear@35: 
nuclear@35: void show_options(void)
nuclear@35: {
nuclear@35: 	assert(optgui);
nuclear@35: 	optgui.view.hidden = NO;
nuclear@35: }
nuclear@35: 
nuclear@35: void hide_options(void)
nuclear@35: {
nuclear@35: 	assert(optgui);
nuclear@35: 	optgui.view.hidden = YES;
nuclear@35: }