moonlight-ios/Limelight/Input/OnScreenControls.m
2014-12-31 18:55:31 -05:00

289 lines
12 KiB
Objective-C

//
// OnScreenControls.m
// Limelight
//
// Created by Diego Waxemberg on 12/28/14.
// Copyright (c) 2014 Limelight Stream. All rights reserved.
//
#import "OnScreenControls.h"
#include "Limelight.h"
#define UPDATE_BUTTON(x, y) (buttonFlags = \
(y) ? (buttonFlags | (x)) : (buttonFlags & ~(x)))
@implementation OnScreenControls {
CALayer* _aButton;
CALayer* _bButton;
CALayer* _xButton;
CALayer* _yButton;
CALayer* _upButton;
CALayer* _downButton;
CALayer* _leftButton;
CALayer* _rightButton;
CALayer* _leftStick;
CALayer* _rightStick;
short buttonFlags;
short leftStickX, leftStickY;
short rightStickX, rightStickY;
char leftTrigger, rightTrigger;
UITouch* lsTouch;
UITouch* rsTouch;
UIView* _view;
BOOL shouldDrawControls;
}
static const float BUTTON_SIZE = 50;
static const float BUTTON_DIST = 20;
static float BUTTON_CENTER_X;
static float BUTTON_CENTER_Y;
static const float D_PAD_SHORT = 50;
static const float D_PAD_LONG = 65;
static const float D_PAD_DIST = 15;
static float D_PAD_CENTER_X;
static float D_PAD_CENTER_Y;
static const float STICK_INNER_SIZE = 80;
static const float STICK_OUTER_SIZE = 120;
static float LS_CENTER_X;
static float LS_CENTER_Y;
static float RS_CENTER_X;
static float RS_CENTER_Y;
- (id) initWithView:(UIView*)view {
self = [self init];
_view = view;
shouldDrawControls = YES;
D_PAD_CENTER_X = _view.frame.size.width * .15;
D_PAD_CENTER_Y = _view.frame.size.height * .5;
BUTTON_CENTER_X = _view.frame.size.width * .85;
BUTTON_CENTER_Y = _view.frame.size.height * .5;
LS_CENTER_X = _view.frame.size.width * .35;
LS_CENTER_Y = _view.frame.size.height * .75;
RS_CENTER_X = _view.frame.size.width * .65;
RS_CENTER_Y = _view.frame.size.height * .75;
[self drawButtons];
[self drawSticks];
return self;
}
- (void) drawButtons {
// create A button
_aButton = [CALayer layer];
_aButton.frame = CGRectMake(BUTTON_CENTER_X - BUTTON_SIZE / 2, BUTTON_CENTER_Y + BUTTON_DIST, BUTTON_SIZE, BUTTON_SIZE);
_aButton.contents = (id) [UIImage imageNamed:@"AButton"].CGImage;
[_view.layer addSublayer:_aButton];
// create B button
_bButton = [CALayer layer];
_bButton.frame = CGRectMake(BUTTON_CENTER_X + BUTTON_DIST, BUTTON_CENTER_Y - BUTTON_SIZE / 2, BUTTON_SIZE, BUTTON_SIZE);
_bButton.contents = (id) [UIImage imageNamed:@"BButton"].CGImage;
[_view.layer addSublayer:_bButton];
// create X Button
_xButton = [CALayer layer];
_xButton.frame = CGRectMake(BUTTON_CENTER_X - BUTTON_DIST - BUTTON_SIZE, BUTTON_CENTER_Y - BUTTON_SIZE / 2, BUTTON_SIZE, BUTTON_SIZE);
_xButton.contents = (id) [UIImage imageNamed:@"XButton"].CGImage;
[_view.layer addSublayer:_xButton];
// create Y Button
_yButton = [CALayer layer];
_yButton.frame = CGRectMake(BUTTON_CENTER_X - BUTTON_SIZE / 2, BUTTON_CENTER_Y - BUTTON_DIST - BUTTON_SIZE, BUTTON_SIZE, BUTTON_SIZE);
_yButton.contents = (id) [UIImage imageNamed:@"YButton"].CGImage;
[_view.layer addSublayer:_yButton];
// create Down button
_downButton = [CALayer layer];
_downButton.frame = CGRectMake(D_PAD_CENTER_X - D_PAD_SHORT / 2, D_PAD_CENTER_Y + D_PAD_DIST, D_PAD_SHORT, D_PAD_LONG);
_downButton.contents = (id) [UIImage imageNamed:@"DownButton"].CGImage;
[_view.layer addSublayer:_downButton];
// create Right button
_rightButton = [CALayer layer];
_rightButton.frame = CGRectMake(D_PAD_CENTER_X + D_PAD_DIST, D_PAD_CENTER_Y - D_PAD_SHORT / 2, D_PAD_LONG, D_PAD_SHORT);
_rightButton.contents = (id) [UIImage imageNamed:@"RightButton"].CGImage;
[_view.layer addSublayer:_rightButton];
// create Up button
_upButton = [CALayer layer];
_upButton.frame = CGRectMake(D_PAD_CENTER_X - D_PAD_SHORT / 2, D_PAD_CENTER_Y - D_PAD_DIST - D_PAD_LONG, D_PAD_SHORT, D_PAD_LONG);
_upButton.contents = (id) [UIImage imageNamed:@"UpButton"].CGImage;
[_view.layer addSublayer:_upButton];
// create Left button
_leftButton = [CALayer layer];
_leftButton.frame = CGRectMake(D_PAD_CENTER_X - D_PAD_DIST - D_PAD_LONG, D_PAD_CENTER_Y - D_PAD_SHORT / 2, D_PAD_LONG, D_PAD_SHORT);
_leftButton.contents = (id) [UIImage imageNamed:@"LeftButton"].CGImage;
[_view.layer addSublayer:_leftButton];
}
- (void) drawSticks {
// create left analog stick
CALayer* leftStickBackground = [CALayer layer];
leftStickBackground.frame = CGRectMake(LS_CENTER_X - STICK_OUTER_SIZE / 2, LS_CENTER_Y - STICK_OUTER_SIZE / 2, STICK_OUTER_SIZE, STICK_OUTER_SIZE);
leftStickBackground.contents = (id) [UIImage imageNamed:@"StickOuter"].CGImage;
[_view.layer addSublayer:leftStickBackground];
_leftStick = [CALayer layer];
_leftStick.frame = CGRectMake(LS_CENTER_X - STICK_INNER_SIZE / 2, LS_CENTER_Y - STICK_INNER_SIZE / 2, STICK_INNER_SIZE, STICK_INNER_SIZE);
_leftStick.contents = (id) [UIImage imageNamed:@"StickInner"].CGImage;
[_view.layer addSublayer:_leftStick];
// create right analog stick
CALayer* rightStickBackground = [CALayer layer];
rightStickBackground.frame = CGRectMake(RS_CENTER_X - STICK_OUTER_SIZE / 2, RS_CENTER_Y - STICK_OUTER_SIZE / 2, STICK_OUTER_SIZE, STICK_OUTER_SIZE);
rightStickBackground.contents = (id) [UIImage imageNamed:@"StickOuter"].CGImage;
[_view.layer addSublayer:rightStickBackground];
_rightStick = [CALayer layer];
_rightStick.frame = CGRectMake(RS_CENTER_X - STICK_INNER_SIZE / 2, RS_CENTER_Y - STICK_INNER_SIZE / 2, STICK_INNER_SIZE, STICK_INNER_SIZE);
_rightStick.contents = (id) [UIImage imageNamed:@"StickInner"].CGImage;
[_view.layer addSublayer:_rightStick];
}
- (void) handleTouchMovedEvent:(UIEvent*)event {
float rsMaxX = RS_CENTER_X + STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
float rsMaxY = RS_CENTER_Y + STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
float rsMinX = RS_CENTER_X - STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
float rsMinY = RS_CENTER_Y - STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
float lsMaxX = LS_CENTER_X + STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
float lsMaxY = LS_CENTER_Y + STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
float lsMinX = LS_CENTER_X - STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
float lsMinY = LS_CENTER_Y - STICK_OUTER_SIZE / 2 - STICK_INNER_SIZE / 2;
for (UITouch* touch in [event allTouches]) {
CGPoint touchLocation = [touch locationInView:_view];
float xLoc = touchLocation.x - STICK_INNER_SIZE / 2;
float yLoc = touchLocation.y - STICK_INNER_SIZE / 2;
if (touch == lsTouch) {
if (xLoc > lsMaxX) xLoc = lsMaxX;
if (xLoc < lsMinX) xLoc = lsMinX;
if (yLoc > lsMaxY) yLoc = lsMaxY;
if (yLoc < lsMinY) yLoc = lsMinY;
_leftStick.frame = CGRectMake(xLoc, yLoc, STICK_INNER_SIZE, STICK_INNER_SIZE);
leftStickX = 0x7FFF * (xLoc - LS_CENTER_X) / (lsMaxX - LS_CENTER_X);
leftStickY = 0x7FFF * (yLoc - LS_CENTER_Y) / (lsMaxY - LS_CENTER_Y);
NSLog(@"Left Stick: x: %d y: %d", leftStickX, leftStickY);
} else if (touch == rsTouch) {
if (xLoc > rsMaxX) xLoc = rsMaxX;
if (xLoc < rsMinX) xLoc = rsMinX;
if (yLoc > rsMaxY) yLoc = rsMaxY;
if (yLoc < rsMinY) yLoc = rsMinY;
_rightStick.frame = CGRectMake(xLoc, yLoc, STICK_INNER_SIZE, STICK_INNER_SIZE);
rightStickX = 0x7FFF * (xLoc - RS_CENTER_X) / (rsMaxX - RS_CENTER_X);
rightStickY = 0x7FFF * (yLoc - RS_CENTER_Y) / (rsMaxY - RS_CENTER_Y);
NSLog(@"Right Stick: x: %d y: %d", rightStickX, rightStickY);
}
}
LiSendControllerEvent(buttonFlags, leftTrigger, rightTrigger,
leftStickX, leftStickY, rightStickX, rightStickY);
}
- (void)handleTouchDownEvent:(UIEvent*)event {
for (UITouch* touch in [event allTouches]) {
CGPoint touchLocation = [touch locationInView:_view];
if ([_aButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(A_FLAG, 1);
} else if ([_bButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(B_FLAG, 1);
} else if ([_xButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(X_FLAG, 1);
} else if ([_yButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(Y_FLAG, 1);
} else if ([_upButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(UP_FLAG, 1);
} else if ([_downButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(DOWN_FLAG, 1);
} else if ([_leftButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(LEFT_FLAG, 1);
} else if ([_rightButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(RIGHT_FLAG, 1);
} else if ([_leftStick.presentationLayer hitTest:touchLocation]) {
lsTouch = touch;
} else if ([_rightStick.presentationLayer hitTest:touchLocation]) {
rsTouch = touch;
}
/*
UPDATE_BUTTON(LB_FLAG, gamepad.leftShoulder.pressed);
UPDATE_BUTTON(RB_FLAG, gamepad.rightShoulder.pressed);
leftStickX = gamepad.leftThumbstick.xAxis.value * 0x7FFE;
leftStickY = gamepad.leftThumbstick.yAxis.value * 0x7FFE;
rightStickX = gamepad.rightThumbstick.xAxis.value * 0x7FFE;
rightStickY = gamepad.rightThumbstick.yAxis.value * 0x7FFE;
leftTrigger = gamepad.leftTrigger.value * 0xFF;
rightTrigger = gamepad.rightTrigger.value * 0xFF;
*/
// We call LiSendControllerEvent while holding a lock to prevent
// multiple simultaneous calls since this function isn't thread safe.
}
LiSendControllerEvent(buttonFlags, leftTrigger, rightTrigger,
leftStickX, leftStickY, rightStickX, rightStickY);
}
- (void)handleTouchUpEvent:(UIEvent*)event {
for (UITouch* touch in [event allTouches]) {
CGPoint touchLocation = [touch locationInView:_view];
if ([_aButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(A_FLAG, 0);
} else if ([_bButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(B_FLAG, 0);
} else if ([_xButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(X_FLAG, 0);
} else if ([_yButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(Y_FLAG, 0);
} else if ([_upButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(UP_FLAG, 0);
} else if ([_downButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(DOWN_FLAG, 0);
} else if ([_leftButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(LEFT_FLAG, 0);
} else if ([_rightButton.presentationLayer hitTest:touchLocation]) {
UPDATE_BUTTON(RIGHT_FLAG, 0);
}
if (touch == lsTouch) {
_leftStick.frame = CGRectMake(LS_CENTER_X - STICK_INNER_SIZE / 2, LS_CENTER_Y - STICK_INNER_SIZE / 2, STICK_INNER_SIZE, STICK_INNER_SIZE);
} else if (touch == rsTouch) {
_rightStick.frame = CGRectMake(RS_CENTER_X - STICK_INNER_SIZE / 2, RS_CENTER_Y - STICK_INNER_SIZE / 2, STICK_INNER_SIZE, STICK_INNER_SIZE);
}
/*
UPDATE_BUTTON(LB_FLAG, gamepad.leftShoulder.pressed);
UPDATE_BUTTON(RB_FLAG, gamepad.rightShoulder.pressed);
leftStickX = gamepad.leftThumbstick.xAxis.value * 0x7FFE;
leftStickY = gamepad.leftThumbstick.yAxis.value * 0x7FFE;
rightStickX = gamepad.rightThumbstick.xAxis.value * 0x7FFE;
rightStickY = gamepad.rightThumbstick.yAxis.value * 0x7FFE;
leftTrigger = gamepad.leftTrigger.value * 0xFF;
rightTrigger = gamepad.rightTrigger.value * 0xFF;
*/
// We call LiSendControllerEvent while holding a lock to prevent
// multiple simultaneous calls since this function isn't thread safe.
}
LiSendControllerEvent(buttonFlags, leftTrigger, rightTrigger,
leftStickX, leftStickY, rightStickX, rightStickY);
}
@end