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/*************************************************************************/
/* gl_view.mm */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#import <QuartzCore/QuartzCore.h>
#import <OpenGLES/EAGLDrawable.h>
#include "os_iphone.h"
#include "core/os/keyboard.h"
#include "core/globals.h"
#include "servers/audio_server.h"
#import "gl_view.h"
/*
@interface GLView (private)
- (id)initGLES;
- (BOOL)createFramebuffer;
- (void)destroyFramebuffer;
@end
*/
int gl_view_base_fb;
static String keyboard_text;
static GLView* _instance = NULL;
static bool video_found_error = false;
static bool video_playing = false;
static float video_previous_volume = 0.0f;
static CMTime video_current_time;
void _show_keyboard(String);
void _hide_keyboard();
bool _play_video(String, float, String, String);
bool _is_video_playing();
void _pause_video();
void _focus_out_video();
void _unpause_video();
void _stop_video();
void _show_keyboard(String p_existing) {
keyboard_text = p_existing;
printf("instance on show is %p\n", _instance);
[_instance open_keyboard];
};
void _hide_keyboard() {
printf("instance on hide is %p\n", _instance);
[_instance hide_keyboard];
keyboard_text = "";
};
bool _play_video(String p_path, float p_volume, String p_audio_track, String p_subtitle_track) {
p_path = Globals::get_singleton()->globalize_path(p_path);
NSString* file_path = [[[NSString alloc] initWithUTF8String:p_path.utf8().get_data()] autorelease];
_instance.avAsset = [AVAsset assetWithURL:[NSURL fileURLWithPath:file_path]];
_instance.avPlayerItem =[[AVPlayerItem alloc]initWithAsset:_instance.avAsset];
[_instance.avPlayerItem addObserver:_instance forKeyPath:@"status" options:0 context:nil];
_instance.avPlayer = [[AVPlayer alloc]initWithPlayerItem:_instance.avPlayerItem];
_instance.avPlayerLayer =[AVPlayerLayer playerLayerWithPlayer:_instance.avPlayer];
[_instance.avPlayer addObserver:_instance forKeyPath:@"status" options:0 context:nil];
[[NSNotificationCenter defaultCenter] addObserver:_instance
selector:@selector(playerItemDidReachEnd:)
name:AVPlayerItemDidPlayToEndTimeNotification
object:[_instance.avPlayer currentItem]];
[_instance.avPlayer addObserver:_instance forKeyPath:@"rate" options:NSKeyValueObservingOptionNew context:0];
[_instance.avPlayerLayer setFrame:_instance.bounds];
[_instance.layer addSublayer:_instance.avPlayerLayer];
[_instance.avPlayer play];
AVMediaSelectionGroup *audioGroup = [_instance.avAsset mediaSelectionGroupForMediaCharacteristic: AVMediaCharacteristicAudible];
NSMutableArray *allAudioParams = [NSMutableArray array];
for (id track in audioGroup.options)
{
NSString* language = [[track locale] localeIdentifier];
NSLog(@"subtitle lang: %@", language);
if ([language isEqualToString:[NSString stringWithUTF8String:p_audio_track.utf8()]])
{
AVMutableAudioMixInputParameters *audioInputParams = [AVMutableAudioMixInputParameters audioMixInputParameters];
[audioInputParams setVolume:p_volume atTime:kCMTimeZero];
[audioInputParams setTrackID:[track trackID]];
[allAudioParams addObject:audioInputParams];
AVMutableAudioMix *audioMix = [AVMutableAudioMix audioMix];
[audioMix setInputParameters:allAudioParams];
[_instance.avPlayer.currentItem selectMediaOption:track inMediaSelectionGroup: audioGroup];
[_instance.avPlayer.currentItem setAudioMix:audioMix];
break;
}
}
AVMediaSelectionGroup *subtitlesGroup = [_instance.avAsset mediaSelectionGroupForMediaCharacteristic: AVMediaCharacteristicLegible];
NSArray *useableTracks = [AVMediaSelectionGroup mediaSelectionOptionsFromArray:subtitlesGroup.options withoutMediaCharacteristics:[NSArray arrayWithObject:AVMediaCharacteristicContainsOnlyForcedSubtitles]];
for (id track in useableTracks)
{
NSString* language = [[track locale] localeIdentifier];
NSLog(@"subtitle lang: %@", language);
if ([language isEqualToString:[NSString stringWithUTF8String:p_subtitle_track.utf8()]])
{
[_instance.avPlayer.currentItem selectMediaOption:track inMediaSelectionGroup: subtitlesGroup];
break;
}
}
video_playing = true;
return true;
}
bool _is_video_playing() {
if (_instance.avPlayer.error) {
printf("Error during playback\n");
}
return (_instance.avPlayer.rate > 0 && !_instance.avPlayer.error);
}
void _pause_video() {
video_current_time = _instance.avPlayer.currentTime;
[_instance.avPlayer pause];
video_playing = false;
}
void _focus_out_video() {
printf("focus out pausing video\n");
[_instance.avPlayer pause];
};
void _unpause_video() {
[_instance.avPlayer play];
video_playing = true;
};
void _stop_video() {
[_instance.avPlayer pause];
[_instance.avPlayerLayer removeFromSuperlayer];
_instance.avPlayer = nil;
video_playing = false;
}
@implementation GLView
@synthesize animationInterval;
static const int max_touches = 8;
static UITouch* touches[max_touches];
static void init_touches() {
for (int i=0; i<max_touches; i++) {
touches[i] = NULL;
};
};
static int get_touch_id(UITouch* p_touch) {
int first = -1;
for (int i=0; i<max_touches; i++) {
if (first == -1 && touches[i] == NULL) {
first = i;
continue;
};
if (touches[i] == p_touch)
return i;
};
if (first != -1) {
touches[first] = p_touch;
return first;
};
return -1;
};
static int remove_touch(UITouch* p_touch) {
int remaining = 0;
for (int i=0; i<max_touches; i++) {
if (touches[i] == NULL)
continue;
if (touches[i] == p_touch)
touches[i] = NULL;
else
++remaining;
};
return remaining;
};
static int get_first_id(UITouch* p_touch) {
for (int i=0; i<max_touches; i++) {
if (touches[i] != NULL)
return i;
};
return -1;
};
static void clear_touches() {
for (int i=0; i<max_touches; i++) {
touches[i] = NULL;
};
};
// Implement this to override the default layer class (which is [CALayer class]).
// We do this so that our view will be backed by a layer that is capable of OpenGL ES rendering.
+ (Class) layerClass
{
return [CAEAGLLayer class];
}
//The GL view is stored in the nib file. When it's unarchived it's sent -initWithCoder:
- (id)initWithCoder:(NSCoder*)coder
{
active = FALSE;
if((self = [super initWithCoder:coder]))
{
self = [self initGLES];
}
return self;
}
-(id)initGLES
{
// Get our backing layer
CAEAGLLayer *eaglLayer = (CAEAGLLayer*) self.layer;
// Configure it so that it is opaque, does not retain the contents of the backbuffer when displayed, and uses RGBA8888 color.
eaglLayer.opaque = YES;
eaglLayer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:FALSE], kEAGLDrawablePropertyRetainedBacking,
kEAGLColorFormatRGBA8, kEAGLDrawablePropertyColorFormat,
nil];
// Create our EAGLContext, and if successful make it current and create our framebuffer.
context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
if(!context || ![EAGLContext setCurrentContext:context] || ![self createFramebuffer])
{
[self release];
return nil;
}
// Default the animation interval to 1/60th of a second.
animationInterval = 1.0 / 60.0;
return self;
}
-(id<GLViewDelegate>)delegate
{
return delegate;
}
// Update the delegate, and if it needs a -setupView: call, set our internal flag so that it will be called.
-(void)setDelegate:(id<GLViewDelegate>)d
{
delegate = d;
delegateSetup = ![delegate respondsToSelector:@selector(setupView:)];
}
@synthesize useCADisplayLink;
// If our view is resized, we'll be asked to layout subviews.
// This is the perfect opportunity to also update the framebuffer so that it is
// the same size as our display area.
-(void)layoutSubviews
{
//printf("HERE\n");
[EAGLContext setCurrentContext:context];
[self destroyFramebuffer];
[self createFramebuffer];
[self drawView];
[self drawView];
}
- (BOOL)createFramebuffer
{
// Generate IDs for a framebuffer object and a color renderbuffer
UIScreen* mainscr = [UIScreen mainScreen];
printf("******** screen size %i, %i\n", (int)mainscr.currentMode.size.width, (int)mainscr.currentMode.size.height);
float minPointSize = MIN(mainscr.bounds.size.width, mainscr.bounds.size.height);
float minScreenSize = MIN(mainscr.currentMode.size.width, mainscr.currentMode.size.height);
self.contentScaleFactor = minScreenSize / minPointSize;
glGenFramebuffersOES(1, &viewFramebuffer);
glGenRenderbuffersOES(1, &viewRenderbuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, viewFramebuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderbuffer);
// This call associates the storage for the current render buffer with the EAGLDrawable (our CAEAGLLayer)
// allowing us to draw into a buffer that will later be rendered to screen whereever the layer is (which corresponds with our view).
[context renderbufferStorage:GL_RENDERBUFFER_OES fromDrawable:(id<EAGLDrawable>)self.layer];
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, viewRenderbuffer);
glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_WIDTH_OES, &backingWidth);
glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_HEIGHT_OES, &backingHeight);
// For this sample, we also need a depth buffer, so we'll create and attach one via another renderbuffer.
glGenRenderbuffersOES(1, &depthRenderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRenderbuffer);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, backingWidth, backingHeight);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthRenderbuffer);
if(glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES) != GL_FRAMEBUFFER_COMPLETE_OES)
{
NSLog(@"failed to make complete framebuffer object %x", glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES));
return NO;
}
if (OS::get_singleton()) {
OS::VideoMode vm;
vm.fullscreen = true;
vm.width = backingWidth;
vm.height = backingHeight;
vm.resizable = false;
OS::get_singleton()->set_video_mode(vm);
OSIPhone::get_singleton()->set_base_framebuffer(viewFramebuffer);
};
gl_view_base_fb = viewFramebuffer;
return YES;
}
// Clean up any buffers we have allocated.
- (void)destroyFramebuffer
{
glDeleteFramebuffersOES(1, &viewFramebuffer);
viewFramebuffer = 0;
glDeleteRenderbuffersOES(1, &viewRenderbuffer);
viewRenderbuffer = 0;
if(depthRenderbuffer)
{
glDeleteRenderbuffersOES(1, &depthRenderbuffer);
depthRenderbuffer = 0;
}
}
- (void)startAnimation
{
if (active)
return;
active = TRUE;
printf("start animation!\n");
if (useCADisplayLink) {
// Approximate frame rate
// assumes device refreshes at 60 fps
int frameInterval = (int) floor(animationInterval * 60.0f);
displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(drawView)];
[displayLink setFrameInterval:frameInterval];
// Setup DisplayLink in main thread
[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
}
else {
animationTimer = [NSTimer scheduledTimerWithTimeInterval:animationInterval target:self selector:@selector(drawView) userInfo:nil repeats:YES];
}
if (video_playing)
{
_unpause_video();
}
}
- (void)stopAnimation
{
if (!active)
return;
active = FALSE;
printf("******** stop animation!\n");
if (useCADisplayLink) {
[displayLink invalidate];
displayLink = nil;
}
else {
[animationTimer invalidate];
animationTimer = nil;
}
clear_touches();
if (video_playing)
{
// save position
}
}
- (void)setAnimationInterval:(NSTimeInterval)interval
{
animationInterval = interval;
if ( (useCADisplayLink && displayLink) || ( !useCADisplayLink && animationTimer ) ) {
[self stopAnimation];
[self startAnimation];
}
}
// Updates the OpenGL view when the timer fires
- (void)drawView
{
if (useCADisplayLink) {
// Pause the CADisplayLink to avoid recursion
[displayLink setPaused: YES];
// Process all input events
while(CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, TRUE) == kCFRunLoopRunHandledSource);
// We are good to go, resume the CADisplayLink
[displayLink setPaused: NO];
}
if (!active) {
printf("draw view not active!\n");
return;
};
// Make sure that you are drawing to the current context
[EAGLContext setCurrentContext:context];
// If our drawing delegate needs to have the view setup, then call -setupView: and flag that it won't need to be called again.
if(!delegateSetup)
{
[delegate setupView:self];
delegateSetup = YES;
}
glBindFramebufferOES(GL_FRAMEBUFFER_OES, viewFramebuffer);
[delegate drawView:self];
glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderbuffer);
[context presentRenderbuffer:GL_RENDERBUFFER_OES];
#ifdef DEBUG_ENABLED
GLenum err = glGetError();
if(err)
NSLog(@"%x error", err);
#endif
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
NSArray* tlist = [[event allTouches] allObjects];
for (unsigned int i=0; i< [tlist count]; i++) {
if ( [touches containsObject:[tlist objectAtIndex:i]] ) {
UITouch* touch = [tlist objectAtIndex:i];
if (touch.phase != UITouchPhaseBegan)
continue;
int tid = get_touch_id(touch);
ERR_FAIL_COND(tid == -1);
CGPoint touchPoint = [touch locationInView:self];
OSIPhone::get_singleton()->mouse_button(tid, touchPoint.x * self.contentScaleFactor, touchPoint.y * self.contentScaleFactor, true, touch.tapCount > 1, tid == 0);
};
};
}
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
NSArray* tlist = [[event allTouches] allObjects];
for (unsigned int i=0; i< [tlist count]; i++) {
if ( [touches containsObject:[tlist objectAtIndex:i]] ) {
UITouch* touch = [tlist objectAtIndex:i];
if (touch.phase != UITouchPhaseMoved)
continue;
int tid = get_touch_id(touch);
ERR_FAIL_COND(tid == -1);
int first = get_first_id(touch);
CGPoint touchPoint = [touch locationInView:self];
CGPoint prev_point = [touch previousLocationInView:self];
OSIPhone::get_singleton()->mouse_move(tid, prev_point.x * self.contentScaleFactor, prev_point.y * self.contentScaleFactor, touchPoint.x * self.contentScaleFactor, touchPoint.y * self.contentScaleFactor, first == tid);
};
};
}
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
NSArray* tlist = [[event allTouches] allObjects];
for (unsigned int i=0; i< [tlist count]; i++) {
if ( [touches containsObject:[tlist objectAtIndex:i]] ) {
UITouch* touch = [tlist objectAtIndex:i];
if (touch.phase != UITouchPhaseEnded)
continue;
int tid = get_touch_id(touch);
ERR_FAIL_COND(tid == -1);
int rem = remove_touch(touch);
CGPoint touchPoint = [touch locationInView:self];
OSIPhone::get_singleton()->mouse_button(tid, touchPoint.x * self.contentScaleFactor, touchPoint.y * self.contentScaleFactor, false, false, rem == 0);
};
};
}
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
OSIPhone::get_singleton()->touches_cancelled();
clear_touches();
};
- (BOOL)canBecomeFirstResponder {
return YES;
};
- (void)open_keyboard {
//keyboard_text = p_existing;
[self becomeFirstResponder];
};
- (void)hide_keyboard {
//keyboard_text = p_existing;
[self resignFirstResponder];
};
- (void)deleteBackward {
if (keyboard_text.length())
keyboard_text.erase(keyboard_text.length() - 1, 1);
OSIPhone::get_singleton()->key(KEY_BACKSPACE, true);
};
- (BOOL)hasText {
return keyboard_text.length() ? YES : NO;
};
- (void)insertText:(NSString *)p_text {
String character;
character.parse_utf8([p_text UTF8String]);
keyboard_text = keyboard_text + character;
OSIPhone::get_singleton()->key(character[0] == 10 ? KEY_ENTER : character[0] , true);
printf("inserting text with character %i\n", character[0]);
};
- (void)audioRouteChangeListenerCallback:(NSNotification*)notification
{
printf("*********** route changed!\n");
NSDictionary *interuptionDict = notification.userInfo;
NSInteger routeChangeReason = [[interuptionDict valueForKey:AVAudioSessionRouteChangeReasonKey] integerValue];
switch (routeChangeReason) {
case AVAudioSessionRouteChangeReasonNewDeviceAvailable:
NSLog(@"AVAudioSessionRouteChangeReasonNewDeviceAvailable");
NSLog(@"Headphone/Line plugged in");
break;
case AVAudioSessionRouteChangeReasonOldDeviceUnavailable:
NSLog(@"AVAudioSessionRouteChangeReasonOldDeviceUnavailable");
NSLog(@"Headphone/Line was pulled. Resuming video play....");
if (_is_video_playing()) {
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.5f * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[_instance.avPlayer play]; // NOTE: change this line according your current player implementation
NSLog(@"resumed play");
});
};
break;
case AVAudioSessionRouteChangeReasonCategoryChange:
// called at start - also when other audio wants to play
NSLog(@"AVAudioSessionRouteChangeReasonCategoryChange");
break;
}
}
// When created via code however, we get initWithFrame
-(id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
_instance = self;
printf("after init super %p\n", self);
if(self != nil)
{
self = [self initGLES];
printf("after init gles %p\n", self);
}
init_touches();
self. multipleTouchEnabled = YES;
printf("******** adding observer for sound routing changes\n");
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(audioRouteChangeListenerCallback:)
name:AVAudioSessionRouteChangeNotification
object:nil];
//self.autoresizesSubviews = YES;
//[self setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleWidth];
return self;
}
// -(BOOL)automaticallyForwardAppearanceAndRotationMethodsToChildViewControllers {
// return YES;
// }
// - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation{
// return YES;
// }
// Stop animating and release resources when they are no longer needed.
- (void)dealloc
{
[self stopAnimation];
if([EAGLContext currentContext] == context)
{
[EAGLContext setCurrentContext:nil];
}
[context release];
context = nil;
[super dealloc];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
change:(NSDictionary *)change context:(void *)context {
if (object == _instance.avPlayerItem && [keyPath isEqualToString:@"status"]) {
if (_instance.avPlayerItem.status == AVPlayerStatusFailed || _instance.avPlayer.status == AVPlayerStatusFailed) {
_stop_video();
video_found_error = true;
}
if(_instance.avPlayer.status == AVPlayerStatusReadyToPlay &&
_instance.avPlayerItem.status == AVPlayerItemStatusReadyToPlay &&
CMTIME_COMPARE_INLINE(video_current_time, ==, kCMTimeZero)) {
//NSLog(@"time: %@", video_current_time);
[_instance.avPlayer seekToTime:video_current_time];
video_current_time = kCMTimeZero;
}
}
if (object == _instance.avPlayer && [keyPath isEqualToString:@"rate"]) {
NSLog(@"Player playback rate changed: %.5f", _instance.avPlayer.rate);
if (_is_video_playing() && _instance.avPlayer.rate == 0.0 && !_instance.avPlayer.error) {
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.5f * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[_instance.avPlayer play]; // NOTE: change this line according your current player implementation
NSLog(@"resumed play");
});
NSLog(@" . . . PAUSED (or just started)");
}
}
}
- (void)playerItemDidReachEnd:(NSNotification *)notification {
_stop_video();
}
/*
- (void)moviePlayBackDidFinish:(NSNotification*)notification {
NSNumber* reason = [[notification userInfo] objectForKey:MPMoviePlayerPlaybackDidFinishReasonUserInfoKey];
switch ([reason intValue]) {
case MPMovieFinishReasonPlaybackEnded:
//NSLog(@"Playback Ended");
break;
case MPMovieFinishReasonPlaybackError:
//NSLog(@"Playback Error");
video_found_error = true;
break;
case MPMovieFinishReasonUserExited:
//NSLog(@"User Exited");
video_found_error = true;
break;
default:
//NSLog(@"Unsupported reason!");
break;
}
MPMoviePlayerController *player = [notification object];
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:MPMoviePlayerPlaybackDidFinishNotification
object:player];
[_instance.moviePlayerController stop];
[_instance.moviePlayerController.view removeFromSuperview];
//[[MPMusicPlayerController applicationMusicPlayer] setVolume: video_previous_volume];
video_playing = false;
}
*/
@end
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