ebiten/internal/gamepad/api_ios.go

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// Copyright 2021 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build ios && !nintendosdk
// +build ios,!nintendosdk
package gamepad
// #cgo CFLAGS: -x objective-c
// #cgo LDFLAGS: -framework Foundation -framework GameController
//
// #import <GameController/GameController.h>
//
// static NSString* GCInputXboxShareButton = @"Button Share";
//
// enum ControllerButton {
// kControllerButtonInvalid = -1,
// kControllerButtonA,
// kControllerButtonB,
// kControllerButtonX,
// kControllerButtonY,
// kControllerButtonBack,
// kControllerButtonGuide,
// kControllerButtonStart,
// kControllerButtonLeftStick,
// kControllerButtonRightStick,
// kControllerButtonLeftShoulder,
// kControllerButtonRightShoulder,
// kControllerButtonDpadUp,
// kControllerButtonDpadDown,
// kControllerButtonDpadLeft,
// kControllerButtonDpadRight,
// kControllerButtonMisc1,
// kControllerButtonPaddle1,
// kControllerButtonPaddle2,
// kControllerButtonPaddle3,
// kControllerButtonPaddle4,
// kControllerButtonTouchpad,
// kControllerButtonMax,
// };
//
// enum HatState : uint8_t {
// kHatCentered = 0x00,
// kHatUp = 0x01,
// kHatRight = 0x02,
// kHatDown = 0x04,
// kHatLeft = 0x08,
// kHatRightUp = kHatRight | kHatUp,
// kHatRightDown = kHatRight | kHatDown,
// kHatLeftUp = kHatLeft | kHatUp,
// kHatLeftDown = kHatLeft | kHatDown,
// };
//
// enum USBVendor {
// kUSBVendorApple = 0x05ac,
// kUSBVendorMicrosoft = 0x045e,
// kUSBVendorSony = 0x054c,
// };
//
// enum USBProduct {
// kUSBProductSonyDS4Slim = 0x09cc,
// kUSBProductSonyDS5 = 0x0ce6,
// kUSBProductXboxOneEliteSeries2Bluetooth = 0x0b05,
// kUSBProductXboxOneSRev1Bluetooth = 0x02e0,
// kUSBProductXboxSeriesXBluetooth = 0x0b13,
// };
//
// struct ControllerProperty {
// uint8_t nAxes;
// uint8_t nButtons;
// uint8_t nHats;
// uint16_t buttonMask;
// char guid[16];
// char name[256];
// bool hasDualshockTouchpad;
// bool hasXboxPaddles;
// bool hasXboxShareButton;
// };
//
// void ebitenAddGamepad(uintptr_t controller, struct ControllerProperty* prop);
// void ebitenRemoveGamepad(uintptr_t controller);
//
// static size_t min(size_t a, size_t b) {
// return a < b ? a : b;
// }
//
// static void getControllerPropertyFromController(GCController* controller, struct ControllerProperty* property) {
// @autoreleasepool {
// uint16_t vendor = 0;
// uint16_t product = 0;
// uint16_t subtype = 0;
//
// const char* name = nil;
// if (controller.vendorName) {
// name = controller.vendorName.UTF8String;
// }
// if (!name) {
// name = "MFi Gamepad";
// }
// memcpy(property->name, name, min(sizeof(property->name), strlen(name)));
//
// if (controller.extendedGamepad) {
// GCExtendedGamepad* gamepad = controller.extendedGamepad;
//
// bool isXbox = false;
// bool isPS4 = false;
// bool isPS5 = false;
// if (@available(macOS 10.15, iOS 13.0, tvOS 13.0, *)) {
// NSString* productCategory = [controller productCategory];
// if ([productCategory isEqualToString:@"DualShock 4"]) {
// isPS4 = 1;
// } else if ([productCategory isEqualToString:@"DualSense"]) {
// isPS5 = 1;
// } else if ([productCategory isEqualToString:@"Xbox One"]) {
// isXbox = 1;
// }
// } else {
// NSString* vendorName = [controller vendorName];
// if ([vendorName isEqualToString:@"DUALSHOCK"]) {
// isPS4 = 1;
// } else if ([vendorName isEqualToString:@"DualSense"]) {
// isPS5 = 1;
// } else if ([vendorName isEqualToString:@"Xbox"]) {
// isXbox = 1;
// }
// }
//
// property->buttonMask |= (1 << kControllerButtonA);
// property->buttonMask |= (1 << kControllerButtonB);
// property->buttonMask |= (1 << kControllerButtonX);
// property->buttonMask |= (1 << kControllerButtonY);
// property->buttonMask |= (1 << kControllerButtonLeftShoulder);
// property->buttonMask |= (1 << kControllerButtonRightShoulder);
// property->nButtons += 6;
//
// #pragma clang diagnostic push
// #pragma clang diagnostic ignored "-Wunguarded-availability-new"
//
// if ([gamepad respondsToSelector:@selector(leftThumbstickButton)] && gamepad.leftThumbstickButton) {
// property->buttonMask |= (1 << kControllerButtonLeftStick);
// property->nButtons++;
// }
// if ([gamepad respondsToSelector:@selector(rightThumbstickButton)] && gamepad.rightThumbstickButton) {
// property->buttonMask |= (1 << kControllerButtonRightStick);
// property->nButtons++;
// }
// if ([gamepad respondsToSelector:@selector(buttonOptions)] && gamepad.buttonOptions) {
// property->buttonMask |= (1 << kControllerButtonBack);
// property->nButtons++;
// }
// if ([gamepad respondsToSelector:@selector(buttonHome)] && gamepad.buttonHome) {
// property->buttonMask |= (1 << kControllerButtonGuide);
// property->nButtons++;
// }
//
// property->buttonMask |= (1 << kControllerButtonStart);
// property->nButtons++;
//
// if ([controller respondsToSelector:@selector(physicalInputProfile)]) {
// if (controller.physicalInputProfile.buttons[GCInputDualShockTouchpadButton] != nil) {
// property->hasDualshockTouchpad = true;
// property->buttonMask |= (1 << kControllerButtonMisc1);
// property->nButtons++;
// }
// if (controller.physicalInputProfile.buttons[GCInputXboxPaddleOne] != nil) {
// property->hasXboxPaddles = true;
// property->buttonMask |= (1 << kControllerButtonPaddle1);
// property->nButtons++;
// }
// if (controller.physicalInputProfile.buttons[GCInputXboxPaddleTwo] != nil) {
// property->hasXboxPaddles = true;
// property->buttonMask |= (1 << kControllerButtonPaddle2);
// property->nButtons++;
// }
// if (controller.physicalInputProfile.buttons[GCInputXboxPaddleThree] != nil) {
// property->hasXboxPaddles = true;
// property->buttonMask |= (1 << kControllerButtonPaddle3);
// property->nButtons++;
// }
// if (controller.physicalInputProfile.buttons[GCInputXboxPaddleFour] != nil) {
// property->hasXboxPaddles = true;
// property->buttonMask |= (1 << kControllerButtonPaddle4);
// property->nButtons++;
// }
// if (controller.physicalInputProfile.buttons[GCInputXboxShareButton] != nil) {
// property->hasXboxShareButton = true;
// property->buttonMask |= (1 << kControllerButtonMisc1);
// property->nButtons++;
// }
// }
//
// #pragma clang diagnostic pop
//
// if (isXbox) {
// vendor = kUSBVendorMicrosoft;
// if (property->hasXboxPaddles) {
// product = kUSBProductXboxOneEliteSeries2Bluetooth;
// subtype = 1;
// } else if (property->hasXboxShareButton) {
// product = kUSBProductXboxSeriesXBluetooth;
// subtype = 1;
// } else {
// product = kUSBProductXboxOneSRev1Bluetooth;
// subtype = 0;
// }
// } else if (isPS4) {
// vendor = kUSBVendorSony;
// product = kUSBProductSonyDS4Slim;
// if (property->hasDualshockTouchpad) {
// subtype = 1;
// } else {
// subtype = 0;
// }
// } else if (isPS5) {
// vendor = kUSBVendorSony;
// product = kUSBProductSonyDS5;
// subtype = 0;
// } else {
// vendor = kUSBVendorApple;
// product = 1;
// subtype = 1;
// }
//
// property->nAxes = 6;
// property->nHats = 1;
// }
//
// const int kSDLHardwareBusBluetooth = 0x05;
// property->guid[0] = (uint8_t)(kSDLHardwareBusBluetooth);
// property->guid[1] = (uint8_t)(kSDLHardwareBusBluetooth >> 8);
// property->guid[2] = 0;
// property->guid[3] = 0;
// property->guid[4] = (uint8_t)(vendor);
// property->guid[5] = (uint8_t)(vendor >> 8);
// property->guid[6] = 0;
// property->guid[7] = 0;
// property->guid[8] = (uint8_t)(product);
// property->guid[9] = (uint8_t)(product >> 8);
// property->guid[10] = 0;
// property->guid[11] = 0;
// property->guid[12] = (uint8_t)(property->buttonMask);
// property->guid[13] = (uint8_t)(property->buttonMask >> 8);
// if (vendor == kUSBVendorApple) {
// property->guid[14] = 'm';
// } else {
// property->guid[14] = 0;
// }
// property->guid[15] = subtype;
// }
// }
//
// static void addController(GCController* controller) {
// // Ignore if the controller is not an actual controller.
// if (!controller.extendedGamepad && controller.microGamepad) {
// return;
// }
//
// struct ControllerProperty property = {};
// getControllerPropertyFromController(controller, &property);
// ebitenAddGamepad((uintptr_t)(controller), &property);
// }
//
// static void removeController(GCController* controller) {
// ebitenRemoveGamepad((uintptr_t)(controller));
// }
//
// struct ControllerState {
// uint8_t buttons[32];
// float axes[32];
// enum HatState hat;
// };
//
// static enum HatState getHatState(GCControllerDirectionPad* dpad) {
// enum HatState hat = 0;
// if (dpad.up.isPressed) {
// hat |= kHatUp;
// } else if (dpad.down.isPressed) {
// hat |= kHatDown;
// }
// if (dpad.left.isPressed) {
// hat |= kHatLeft;
// } else if (dpad.right.isPressed) {
// hat |= kHatRight;
// }
// return hat;
// }
//
// static void getControllerState(uintptr_t controller_ptr, struct ControllerState* controllerState,
// uint16_t buttonMask, uint8_t nHats,
// bool hasDualshockTouchpad, bool hasXboxPaddles, bool hasXboxShareButton) {
// GCController* controller = (GCController*)(controller_ptr);
// @autoreleasepool {
// if (controller.extendedGamepad) {
// GCExtendedGamepad* gamepad = controller.extendedGamepad;
//
// controllerState->axes[0] = gamepad.leftThumbstick.xAxis.value;
// controllerState->axes[1] = -gamepad.leftThumbstick.yAxis.value;
// controllerState->axes[2] = gamepad.leftTrigger.value * 2 - 1;
// controllerState->axes[3] = gamepad.rightThumbstick.xAxis.value;
// controllerState->axes[4] = -gamepad.rightThumbstick.yAxis.value;
// controllerState->axes[5] = gamepad.rightTrigger.value * 2 - 1;
//
// int buttonCount = 0;
// controllerState->buttons[buttonCount++] = gamepad.buttonA.isPressed;
// controllerState->buttons[buttonCount++] = gamepad.buttonB.isPressed;
// controllerState->buttons[buttonCount++] = gamepad.buttonX.isPressed;
// controllerState->buttons[buttonCount++] = gamepad.buttonY.isPressed;
// controllerState->buttons[buttonCount++] = gamepad.leftShoulder.isPressed;
// controllerState->buttons[buttonCount++] = gamepad.rightShoulder.isPressed;
//
// #pragma clang diagnostic push
// #pragma clang diagnostic ignored "-Wunguarded-availability-new"
//
// if (buttonMask & (1 << kControllerButtonLeftStick)) {
// controllerState->buttons[buttonCount++] = gamepad.leftThumbstickButton.isPressed;
// }
// if (buttonMask & (1 << kControllerButtonRightStick)) {
// controllerState->buttons[buttonCount++] = gamepad.rightThumbstickButton.isPressed;
// }
// if (buttonMask & (1 << kControllerButtonBack)) {
// controllerState->buttons[buttonCount++] = gamepad.buttonOptions.isPressed;
// }
// if (buttonMask & (1 << kControllerButtonGuide)) {
// controllerState->buttons[buttonCount++] = gamepad.buttonHome.isPressed;
// }
// if (buttonMask & (1 << kControllerButtonStart)) {
// controllerState->buttons[buttonCount++] = gamepad.buttonMenu.isPressed;
// }
//
// if (hasDualshockTouchpad) {
// controllerState->buttons[buttonCount++] = controller.physicalInputProfile.buttons[GCInputDualShockTouchpadButton].isPressed;
// }
// if (hasXboxPaddles) {
// if (buttonMask & (1 << kControllerButtonPaddle1)) {
// controllerState->buttons[buttonCount++] = controller.physicalInputProfile.buttons[GCInputXboxPaddleOne].isPressed;
// }
// if (buttonMask & (1 << kControllerButtonPaddle2)) {
// controllerState->buttons[buttonCount++] = controller.physicalInputProfile.buttons[GCInputXboxPaddleTwo].isPressed;
// }
// if (buttonMask & (1 << kControllerButtonPaddle3)) {
// controllerState->buttons[buttonCount++] = controller.physicalInputProfile.buttons[GCInputXboxPaddleThree].isPressed;
// }
// if (buttonMask & (1 << kControllerButtonPaddle4)) {
// controllerState->buttons[buttonCount++] = controller.physicalInputProfile.buttons[GCInputXboxPaddleFour].isPressed;
// }
// }
// if (hasXboxShareButton) {
// controllerState->buttons[buttonCount++] = controller.physicalInputProfile.buttons[GCInputXboxShareButton].isPressed;
// }
//
// #pragma clang diagnostic pop
//
// if (nHats) {
// controllerState->hat = getHatState(gamepad.dpad);
// }
// }
// }
// }
//
// static void initializeGamepads(void) {
// @autoreleasepool {
// for (GCController* controller in [GCController controllers]) {
// addController(controller);
// }
// NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
// [center addObserverForName:GCControllerDidConnectNotification
// object:nil
// queue:nil
// usingBlock:^(NSNotification* notification) {
// addController(notification.object);
// }];
// [center addObserverForName:GCControllerDidDisconnectNotification
// object:nil
// queue:nil
// usingBlock:^(NSNotification* notification) {
// removeController(notification.object);
// }];
// }
// }
import "C"
//export ebitenAddGamepad
func ebitenAddGamepad(controller C.uintptr_t, prop *C.struct_ControllerProperty) {
theGamepads.addIOSGamepad(controller, prop)
}
//export ebitenRemoveGamepad
func ebitenRemoveGamepad(controller C.uintptr_t) {
theGamepads.removeIOSGamepad(controller)
}
func (g *gamepads) addIOSGamepad(controller C.uintptr_t, prop *C.struct_ControllerProperty) {
g.m.Lock()
defer g.m.Unlock()
name := C.GoString(&prop.name[0])
sdlID := C.GoStringN(&prop.guid[0], 16)
gp := g.add(name, sdlID)
gp.native = &nativeGamepadImpl{
controller: uintptr(controller),
axes: make([]float64, prop.nAxes),
buttons: make([]bool, prop.nButtons+prop.nHats*4),
hats: make([]int, prop.nHats),
buttonMask: uint16(prop.buttonMask),
hasDualshockTouchpad: bool(prop.hasDualshockTouchpad),
hasXboxPaddles: bool(prop.hasXboxPaddles),
hasXboxShareButton: bool(prop.hasXboxShareButton),
}
}
func (g *gamepads) removeIOSGamepad(controller C.uintptr_t) {
g.m.Lock()
defer g.m.Unlock()
g.remove(func(gamepad *Gamepad) bool {
return gamepad.native.(*nativeGamepadImpl).controller == uintptr(controller)
})
}
func initializeIOSGamepads() {
C.initializeGamepads()
}
func (g *nativeGamepadImpl) updateIOSGamepad() {
var state C.struct_ControllerState
C.getControllerState(C.uintptr_t(g.controller), &state, C.uint16_t(g.buttonMask), C.uint8_t(len(g.hats)),
C.bool(g.hasDualshockTouchpad), C.bool(g.hasXboxPaddles), C.bool(g.hasXboxShareButton))
nButtons := len(g.buttons) - len(g.hats)*4
for i := 0; i < nButtons; i++ {
g.buttons[i] = state.buttons[i] != 0
}
// Follow the GLFW way to process hats.
// See _glfwInputJoystickHat.
if len(g.hats) > 0 {
base := len(g.buttons) - len(g.hats)*4
g.buttons[base] = state.hat&0x01 != 0
g.buttons[base+1] = state.hat&0x02 != 0
g.buttons[base+2] = state.hat&0x04 != 0
g.buttons[base+3] = state.hat&0x08 != 0
}
for i := range g.axes {
g.axes[i] = float64(state.axes[i])
}
if len(g.hats) > 0 {
g.hats[0] = int(state.hat)
}
}