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annotate src/EAGLView.m @ 36:834503dcb486

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fixed the rotated gui problem
author John Tsiombikas <nuclear@member.fsf.org>
date Fri, 09 Sep 2011 10:25:03 +0300
parents 8dd271942543
children ff055bff6a15
rev   line source
nuclear@35 1 #import "EAGLView.h"
nuclear@35 2 #import "ES2Renderer.h"
nuclear@35 3 #import "ui.h"
nuclear@0 4
nuclear@0 5
nuclear@35 6 static UI *optgui;
nuclear@35 7
nuclear@0 8
nuclear@0 9 @implementation EAGLView
nuclear@0 10
nuclear@0 11 @synthesize animating;
nuclear@0 12 @dynamic animationFrameInterval;
nuclear@0 13
nuclear@0 14 // You must implement this method
nuclear@0 15 + (Class)layerClass
nuclear@0 16 {
nuclear@35 17 return [CAEAGLLayer class];
nuclear@0 18 }
nuclear@0 19
nuclear@0 20 //The EAGL view is stored in the nib file. When it's unarchived it's sent -initWithCoder:
nuclear@0 21 - (id)initWithCoder:(NSCoder*)coder
nuclear@30 22 {
nuclear@35 23 if ((self = [super initWithCoder:coder]))
nuclear@35 24 {
nuclear@35 25 // Get the layer
nuclear@35 26 CAEAGLLayer *eaglLayer = (CAEAGLLayer *)self.layer;
nuclear@0 27
nuclear@30 28 //self.contentScaleFactor = 2.0;
nuclear@30 29
nuclear@35 30 eaglLayer.opaque = TRUE;
nuclear@35 31 eaglLayer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys:
nuclear@35 32 [NSNumber numberWithBool:FALSE], kEAGLDrawablePropertyRetainedBacking, kEAGLColorFormatRGBA8, kEAGLDrawablePropertyColorFormat, nil];
nuclear@0 33
nuclear@35 34 renderer = [[ES2Renderer alloc] init];
nuclear@35 35 if (!renderer) {
nuclear@35 36 [self release];
nuclear@35 37 return nil;
nuclear@35 38 }
nuclear@0 39
nuclear@35 40 animating = FALSE;
nuclear@35 41 displayLinkSupported = FALSE;
nuclear@35 42 animationFrameInterval = 1;
nuclear@35 43 displayLink = nil;
nuclear@35 44 animationTimer = nil;
nuclear@0 45
nuclear@35 46 // A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer
nuclear@35 47 // class is used as fallback when it isn't available.
nuclear@35 48 NSString *reqSysVer = @"3.1";
nuclear@35 49 NSString *currSysVer = [[UIDevice currentDevice] systemVersion];
nuclear@35 50 if ([currSysVer compare:reqSysVer options:NSNumericSearch] != NSOrderedAscending)
nuclear@35 51 displayLinkSupported = TRUE;
nuclear@30 52
nuclear@30 53 self.multipleTouchEnabled = 1;
nuclear@0 54
nuclear@35 55 // load the options gui
nuclear@35 56 optgui = [[UI alloc] initWithNibName:@"ui" bundle: [NSBundle mainBundle]];
nuclear@35 57 hide_options();
nuclear@35 58 [self addSubview: optgui.view];
nuclear@35 59 }
nuclear@35 60
nuclear@35 61 return self;
nuclear@0 62 }
nuclear@0 63
nuclear@0 64 - (void)drawView:(id)sender
nuclear@0 65 {
nuclear@35 66 [renderer render];
nuclear@0 67 }
nuclear@0 68
nuclear@0 69 - (void)layoutSubviews
nuclear@0 70 {
nuclear@35 71 [renderer resizeFromLayer:(CAEAGLLayer*)self.layer];
nuclear@35 72 [self drawView:nil];
nuclear@0 73 }
nuclear@0 74
nuclear@0 75 - (NSInteger)animationFrameInterval
nuclear@0 76 {
nuclear@35 77 return animationFrameInterval;
nuclear@0 78 }
nuclear@0 79
nuclear@0 80 - (void)setAnimationFrameInterval:(NSInteger)frameInterval
nuclear@0 81 {
nuclear@35 82 // Frame interval defines how many display frames must pass between each time the
nuclear@35 83 // display link fires. The display link will only fire 30 times a second when the
nuclear@35 84 // frame internal is two on a display that refreshes 60 times a second. The default
nuclear@35 85 // frame interval setting of one will fire 60 times a second when the display refreshes
nuclear@35 86 // at 60 times a second. A frame interval setting of less than one results in undefined
nuclear@35 87 // behavior.
nuclear@35 88 if (frameInterval >= 1)
nuclear@35 89 {
nuclear@35 90 animationFrameInterval = frameInterval;
nuclear@0 91
nuclear@35 92 if (animating)
nuclear@35 93 {
nuclear@35 94 [self stopAnimation];
nuclear@35 95 [self startAnimation];
nuclear@35 96 }
nuclear@35 97 }
nuclear@0 98 }
nuclear@0 99
nuclear@0 100 - (void)startAnimation
nuclear@0 101 {
nuclear@35 102 if (!animating)
nuclear@35 103 {
nuclear@35 104 if (displayLinkSupported)
nuclear@35 105 {
nuclear@35 106 // CADisplayLink is API new to iPhone SDK 3.1. Compiling against earlier versions will result in a warning, but can be dismissed
nuclear@35 107 // if the system version runtime check for CADisplayLink exists in -initWithCoder:. The runtime check ensures this code will
nuclear@35 108 // not be called in system versions earlier than 3.1.
nuclear@0 109
nuclear@35 110 displayLink = [NSClassFromString(@"CADisplayLink") displayLinkWithTarget:self selector:@selector(drawView:)];
nuclear@35 111 [displayLink setFrameInterval:animationFrameInterval];
nuclear@35 112 [displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
nuclear@35 113 }
nuclear@35 114 else
nuclear@35 115 animationTimer = [NSTimer scheduledTimerWithTimeInterval:(NSTimeInterval)((1.0 / 60.0) * animationFrameInterval) target:self selector:@selector(drawView:) userInfo:nil repeats:TRUE];
nuclear@0 116
nuclear@35 117 animating = TRUE;
nuclear@35 118 }
nuclear@0 119 }
nuclear@0 120
nuclear@0 121 - (void)stopAnimation
nuclear@0 122 {
nuclear@35 123 if (animating)
nuclear@35 124 {
nuclear@35 125 if (displayLinkSupported)
nuclear@35 126 {
nuclear@35 127 [displayLink invalidate];
nuclear@35 128 displayLink = nil;
nuclear@35 129 }
nuclear@35 130 else
nuclear@35 131 {
nuclear@35 132 [animationTimer invalidate];
nuclear@35 133 animationTimer = nil;
nuclear@35 134 }
nuclear@0 135
nuclear@35 136 animating = FALSE;
nuclear@35 137 }
nuclear@0 138 }
nuclear@0 139
nuclear@30 140 static int touch_active;
nuclear@30 141 static CGPoint start_touch;
nuclear@30 142 extern int use_bump;
nuclear@30 143
nuclear@30 144 - (void) touchesBegan: (NSSet*) touches withEvent: (UIEvent*) event
nuclear@30 145 {
nuclear@30 146 UITouch *touch = [[touches allObjects] objectAtIndex: 0];
nuclear@30 147
nuclear@30 148 start_touch = [touch locationInView: self];
nuclear@30 149 touch_active = 1;
nuclear@30 150 }
nuclear@30 151
nuclear@30 152 - (void) touchesEnded: (NSSet*) touches withEvent: (UIEvent*) event
nuclear@30 153 {
nuclear@30 154 UITouch *touch = [[touches allObjects] objectAtIndex: 0];
nuclear@30 155
nuclear@30 156 CGPoint end_touch = [touch locationInView: self];
nuclear@30 157 int dx = end_touch.x - start_touch.x;
nuclear@30 158 int dy = end_touch.y - start_touch.y;
nuclear@30 159
nuclear@30 160 if(dx * dx + dy * dy < 30) {
nuclear@35 161 show_options();
nuclear@30 162 }
nuclear@30 163 }
nuclear@30 164
nuclear@0 165 - (void)dealloc
nuclear@0 166 {
nuclear@35 167 [renderer release];
nuclear@0 168
nuclear@35 169 [super dealloc];
nuclear@0 170 }
nuclear@0 171
nuclear@0 172 @end
nuclear@35 173
nuclear@35 174 void show_options(void)
nuclear@35 175 {
nuclear@35 176 assert(optgui);
nuclear@35 177 optgui.view.hidden = NO;
nuclear@35 178 }
nuclear@35 179
nuclear@35 180 void hide_options(void)
nuclear@35 181 {
nuclear@35 182 assert(optgui);
nuclear@35 183 optgui.view.hidden = YES;
nuclear@35 184 }