GameControllerGamepad.mm [plain text]
/*
* Copyright (C) 2016-2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
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* 2. Redistributions in binary form must reproduce the above copyright
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* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#import "config.h"
#import "GameControllerGamepad.h"
#if ENABLE(GAMEPAD)
#import "GameControllerGamepadProvider.h"
#import "GamepadConstants.h"
#import <GameController/GameController.h>
#import "GameControllerSoftLink.h"
namespace WebCore {
GameControllerGamepad::GameControllerGamepad(GCController *controller, unsigned index)
: PlatformGamepad(index)
, m_gcController(controller)
{
ASSERT(index < 4);
controller.playerIndex = (GCControllerPlayerIndex)(GCControllerPlayerIndex1 + index);
m_extendedGamepad = controller.extendedGamepad;
ALLOW_DEPRECATED_DECLARATIONS_BEGIN
if (!m_extendedGamepad)
m_gamepad = controller.gamepad;
ALLOW_DEPRECATED_DECLARATIONS_END
ASSERT(m_extendedGamepad || m_gamepad);
if (m_extendedGamepad)
setupAsExtendedGamepad();
else
setupAsGamepad();
}
static GCControllerButtonInput *homeButtonFromExtendedGamepad(GCExtendedGamepad *gamepad)
{
#if HAVE(GCEXTENDEDGAMEPAD_HOME_BUTTON)
if (gamepad.buttonHome)
return gamepad.buttonHome;
#endif
id potentialButton = [gamepad valueForKey:@"_buttonHome"];
if (potentialButton && [potentialButton isKindOfClass:getGCControllerButtonInputClass()])
return potentialButton;
return nil;
}
void GameControllerGamepad::setupAsExtendedGamepad()
{
ASSERT(m_extendedGamepad);
m_id = makeString(String(m_gcController.get().vendorName), " Extended Gamepad"_s);
m_mapping = standardGamepadMappingString();
auto *homeButton = homeButtonFromExtendedGamepad(m_extendedGamepad.get());
m_buttonValues.resize(homeButton ? numberOfStandardGamepadButtonsWithHomeButton : numberOfStandardGamepadButtonsWithoutHomeButton);
m_extendedGamepad.get().valueChangedHandler = ^(GCExtendedGamepad *, GCControllerElement *) {
m_lastUpdateTime = MonotonicTime::now();
GameControllerGamepadProvider::singleton().gamepadHadInput(*this, m_hadButtonPresses);
m_hadButtonPresses = false;
};
auto bindButton = ^(GCControllerButtonInput *button, GamepadButtonRole index) {
m_buttonValues[(size_t)index].setValue(button.value);
button.valueChangedHandler = ^(GCControllerButtonInput *, float value, BOOL pressed) {
m_buttonValues[(size_t)index].setValue(value);
if (pressed)
m_hadButtonPresses = true;
};
};
// Button Pad
bindButton(m_extendedGamepad.get().buttonA, GamepadButtonRole::RightClusterBottom);
bindButton(m_extendedGamepad.get().buttonB, GamepadButtonRole::RightClusterRight);
bindButton(m_extendedGamepad.get().buttonX, GamepadButtonRole::RightClusterLeft);
bindButton(m_extendedGamepad.get().buttonY, GamepadButtonRole::RightClusterTop);
// Shoulders, Triggers
bindButton(m_extendedGamepad.get().leftShoulder, GamepadButtonRole::LeftShoulderFront);
bindButton(m_extendedGamepad.get().rightShoulder, GamepadButtonRole::RightShoulderFront);
bindButton(m_extendedGamepad.get().leftTrigger, GamepadButtonRole::LeftShoulderBack);
bindButton(m_extendedGamepad.get().rightTrigger, GamepadButtonRole::RightShoulderBack);
// D Pad
bindButton(m_extendedGamepad.get().dpad.up, GamepadButtonRole::LeftClusterTop);
bindButton(m_extendedGamepad.get().dpad.down, GamepadButtonRole::LeftClusterBottom);
bindButton(m_extendedGamepad.get().dpad.left, GamepadButtonRole::LeftClusterLeft);
bindButton(m_extendedGamepad.get().dpad.right, GamepadButtonRole::LeftClusterRight);
if (homeButton)
bindButton(homeButton, GamepadButtonRole::CenterClusterCenter);
// Select, Start
#if HAVE(GCEXTENDEDGAMEPAD_BUTTONS_OPTIONS_MENU)
bindButton(m_extendedGamepad.get().buttonOptions, GamepadButtonRole::CenterClusterLeft);
bindButton(m_extendedGamepad.get().buttonMenu, GamepadButtonRole::CenterClusterRight);
#endif
// L3, R3
#if HAVE(GCEXTENDEDGAMEPAD_BUTTONS_THUMBSTICK)
// Thumbstick buttons are only in macOS 10.14.1 / iOS 12.1
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunguarded-availability"
if ([m_extendedGamepad.get() respondsToSelector:@selector(leftThumbstickButton)]) {
bindButton(m_extendedGamepad.get().leftThumbstickButton, GamepadButtonRole::LeftStick);
bindButton(m_extendedGamepad.get().rightThumbstickButton, GamepadButtonRole::RightStick);
}
#pragma clang diagnostic pop
#endif
m_axisValues.resize(4);
m_axisValues[0].setValue(m_extendedGamepad.get().leftThumbstick.xAxis.value);
m_axisValues[1].setValue(-m_extendedGamepad.get().leftThumbstick.yAxis.value);
m_axisValues[2].setValue(m_extendedGamepad.get().rightThumbstick.xAxis.value);
m_axisValues[3].setValue(-m_extendedGamepad.get().rightThumbstick.yAxis.value);
m_extendedGamepad.get().leftThumbstick.xAxis.valueChangedHandler = ^(GCControllerAxisInput *, float value) {
m_axisValues[0].setValue(value);
};
m_extendedGamepad.get().leftThumbstick.yAxis.valueChangedHandler = ^(GCControllerAxisInput *, float value) {
m_axisValues[1].setValue(-value);
};
m_extendedGamepad.get().rightThumbstick.xAxis.valueChangedHandler = ^(GCControllerAxisInput *, float value) {
m_axisValues[2].setValue(value);
};
m_extendedGamepad.get().rightThumbstick.yAxis.valueChangedHandler = ^(GCControllerAxisInput *, float value) {
m_axisValues[3].setValue(-value);
};
}
void GameControllerGamepad::setupAsGamepad()
{
ASSERT(m_gamepad);
m_id = makeString(String(m_gcController.get().vendorName), " Gamepad"_s);
ALLOW_DEPRECATED_DECLARATIONS_BEGIN // GCGamepad
m_gamepad.get().valueChangedHandler = ^(GCGamepad *, GCControllerElement *) {
m_lastUpdateTime = MonotonicTime::now();
GameControllerGamepadProvider::singleton().gamepadHadInput(*this, m_hadButtonPresses);
m_hadButtonPresses = false;
};
ALLOW_DEPRECATED_DECLARATIONS_END
m_buttonValues.resize(6);
m_buttonValues[0].setValue(m_extendedGamepad.get().buttonA.value);
m_buttonValues[1].setValue(m_extendedGamepad.get().buttonB.value);
m_buttonValues[2].setValue(m_extendedGamepad.get().buttonX.value);
m_buttonValues[3].setValue(m_extendedGamepad.get().buttonY.value);
m_buttonValues[4].setValue(m_extendedGamepad.get().leftShoulder.value);
m_buttonValues[5].setValue(m_extendedGamepad.get().rightShoulder.value);
m_axisValues.resize(2);
m_axisValues[0].setValue(m_extendedGamepad.get().dpad.xAxis.value);
m_axisValues[1].setValue(m_extendedGamepad.get().dpad.yAxis.value);
m_extendedGamepad.get().buttonA.valueChangedHandler = ^(GCControllerButtonInput *, float value, BOOL pressed) {
m_buttonValues[0].setValue(value);
if (pressed)
m_hadButtonPresses = true;
};
m_extendedGamepad.get().buttonB.valueChangedHandler = ^(GCControllerButtonInput *, float value, BOOL pressed) {
m_buttonValues[1].setValue(value);
if (pressed)
m_hadButtonPresses = true;
};
m_extendedGamepad.get().buttonX.valueChangedHandler = ^(GCControllerButtonInput *, float value, BOOL pressed) {
m_buttonValues[2].setValue(value);
if (pressed)
m_hadButtonPresses = true;
};
m_extendedGamepad.get().buttonY.valueChangedHandler = ^(GCControllerButtonInput *, float value, BOOL pressed) {
m_buttonValues[3].setValue(value);
if (pressed)
m_hadButtonPresses = true;
};
m_extendedGamepad.get().leftShoulder.valueChangedHandler = ^(GCControllerButtonInput *, float value, BOOL pressed) {
m_buttonValues[4].setValue(value);
if (pressed)
m_hadButtonPresses = true;
};
m_extendedGamepad.get().rightShoulder.valueChangedHandler = ^(GCControllerButtonInput *, float value, BOOL pressed) {
m_buttonValues[5].setValue(value);
if (pressed)
m_hadButtonPresses = true;
};
m_extendedGamepad.get().leftThumbstick.xAxis.valueChangedHandler = ^(GCControllerAxisInput *, float value) {
m_axisValues[0].setValue(value);
};
m_extendedGamepad.get().leftThumbstick.yAxis.valueChangedHandler = ^(GCControllerAxisInput *, float value) {
m_axisValues[1].setValue(value);
};
}
} // namespace WebCore
#endif // ENABLE(GAMEPAD)