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Diffstat (limited to 'platform/iphone/joypad_iphone.mm')
| -rw-r--r-- | platform/iphone/joypad_iphone.mm | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/platform/iphone/joypad_iphone.mm b/platform/iphone/joypad_iphone.mm new file mode 100644 index 0000000000..22d7dd4bd2 --- /dev/null +++ b/platform/iphone/joypad_iphone.mm @@ -0,0 +1,345 @@ +/*************************************************************************/ +/* joypad_iphone.mm */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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 "joypad_iphone.h" +#include "core/config/project_settings.h" +#include "drivers/coreaudio/audio_driver_coreaudio.h" +#include "main/main.h" + +#import "godot_view.h" + +#include "os_iphone.h" + +JoypadIPhone::JoypadIPhone() { + observer = [[JoypadIPhoneObserver alloc] init]; + [observer startObserving]; +} + +JoypadIPhone::~JoypadIPhone() { + if (observer) { + [observer finishObserving]; + observer = nil; + } +} + +void JoypadIPhone::start_processing() { + if (observer) { + [observer startProcessing]; + } +} + +@interface JoypadIPhoneObserver () + +@property(assign, nonatomic) BOOL isObserving; +@property(assign, nonatomic) BOOL isProcessing; +@property(strong, nonatomic) NSMutableDictionary *connectedJoypads; +@property(strong, nonatomic) NSMutableArray *joypadsQueue; + +@end + +@implementation JoypadIPhoneObserver + +- (instancetype)init { + self = [super init]; + + if (self) { + [self godot_commonInit]; + } + + return self; +} + +- (void)godot_commonInit { + self.isObserving = NO; + self.isProcessing = NO; +} + +- (void)startProcessing { + self.isProcessing = YES; + + for (GCController *controller in self.joypadsQueue) { + [self addiOSJoypad:controller]; + } + + [self.joypadsQueue removeAllObjects]; +} + +- (void)startObserving { + if (self.isObserving) { + return; + } + + self.isObserving = YES; + + self.connectedJoypads = [NSMutableDictionary dictionary]; + self.joypadsQueue = [NSMutableArray array]; + + // get told when controllers connect, this will be called right away for + // already connected controllers + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(controllerWasConnected:) + name:GCControllerDidConnectNotification + object:nil]; + + // get told when controllers disconnect + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(controllerWasDisconnected:) + name:GCControllerDidDisconnectNotification + object:nil]; +} + +- (void)finishObserving { + if (self.isObserving) { + [[NSNotificationCenter defaultCenter] removeObserver:self]; + } + + self.isObserving = NO; + self.isProcessing = NO; + + self.connectedJoypads = nil; + self.joypadsQueue = nil; +} + +- (void)dealloc { + [self finishObserving]; +} + +- (int)getJoyIdForController:(GCController *)controller { + NSArray *keys = [self.connectedJoypads allKeysForObject:controller]; + + for (NSNumber *key in keys) { + int joy_id = [key intValue]; + return joy_id; + }; + + return -1; +}; + +- (void)addiOSJoypad:(GCController *)controller { + // get a new id for our controller + int joy_id = Input::get_singleton()->get_unused_joy_id(); + + if (joy_id == -1) { + printf("Couldn't retrieve new joy id\n"); + return; + } + + // assign our player index + if (controller.playerIndex == GCControllerPlayerIndexUnset) { + controller.playerIndex = [self getFreePlayerIndex]; + }; + + // tell Godot about our new controller + Input::get_singleton()->joy_connection_changed(joy_id, true, [controller.vendorName UTF8String]); + + // add it to our dictionary, this will retain our controllers + [self.connectedJoypads setObject:controller forKey:[NSNumber numberWithInt:joy_id]]; + + // set our input handler + [self setControllerInputHandler:controller]; +} + +- (void)controllerWasConnected:(NSNotification *)notification { + // get our controller + GCController *controller = (GCController *)notification.object; + + if (!controller) { + printf("Couldn't retrieve new controller\n"); + return; + } + + if ([[self.connectedJoypads allKeysForObject:controller] count] > 0) { + printf("Controller is already registered\n"); + } else if (!self.isProcessing) { + [self.joypadsQueue addObject:controller]; + } else { + [self addiOSJoypad:controller]; + } +} + +- (void)controllerWasDisconnected:(NSNotification *)notification { + // find our joystick, there should be only one in our dictionary + GCController *controller = (GCController *)notification.object; + + if (!controller) { + return; + } + + NSArray *keys = [self.connectedJoypads allKeysForObject:controller]; + for (NSNumber *key in keys) { + // tell Godot this joystick is no longer there + int joy_id = [key intValue]; + Input::get_singleton()->joy_connection_changed(joy_id, false, ""); + + // and remove it from our dictionary + [self.connectedJoypads removeObjectForKey:key]; + }; +}; + +- (GCControllerPlayerIndex)getFreePlayerIndex { + bool have_player_1 = false; + bool have_player_2 = false; + bool have_player_3 = false; + bool have_player_4 = false; + + if (self.connectedJoypads == nil) { + NSArray *keys = [self.connectedJoypads allKeys]; + for (NSNumber *key in keys) { + GCController *controller = [self.connectedJoypads objectForKey:key]; + if (controller.playerIndex == GCControllerPlayerIndex1) { + have_player_1 = true; + } else if (controller.playerIndex == GCControllerPlayerIndex2) { + have_player_2 = true; + } else if (controller.playerIndex == GCControllerPlayerIndex3) { + have_player_3 = true; + } else if (controller.playerIndex == GCControllerPlayerIndex4) { + have_player_4 = true; + }; + }; + }; + + if (!have_player_1) { + return GCControllerPlayerIndex1; + } else if (!have_player_2) { + return GCControllerPlayerIndex2; + } else if (!have_player_3) { + return GCControllerPlayerIndex3; + } else if (!have_player_4) { + return GCControllerPlayerIndex4; + } else { + return GCControllerPlayerIndexUnset; + }; +} + +- (void)setControllerInputHandler:(GCController *)controller { + // Hook in the callback handler for the correct gamepad profile. + // This is a bit of a weird design choice on Apples part. + // You need to select the most capable gamepad profile for the + // gamepad attached. + if (controller.extendedGamepad != nil) { + // The extended gamepad profile has all the input you could possibly find on + // a gamepad but will only be active if your gamepad actually has all of + // these... + _weakify(self); + _weakify(controller); + + controller.extendedGamepad.valueChangedHandler = ^(GCExtendedGamepad *gamepad, GCControllerElement *element) { + _strongify(self); + _strongify(controller); + + int joy_id = [self getJoyIdForController:controller]; + + if (element == gamepad.buttonA) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_A, + gamepad.buttonA.isPressed); + } else if (element == gamepad.buttonB) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_B, + gamepad.buttonB.isPressed); + } else if (element == gamepad.buttonX) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_X, + gamepad.buttonX.isPressed); + } else if (element == gamepad.buttonY) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_Y, + gamepad.buttonY.isPressed); + } else if (element == gamepad.leftShoulder) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_LEFT_SHOULDER, + gamepad.leftShoulder.isPressed); + } else if (element == gamepad.rightShoulder) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_RIGHT_SHOULDER, + gamepad.rightShoulder.isPressed); + } else if (element == gamepad.dpad) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_UP, + gamepad.dpad.up.isPressed); + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_DOWN, + gamepad.dpad.down.isPressed); + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_LEFT, + gamepad.dpad.left.isPressed); + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_RIGHT, + gamepad.dpad.right.isPressed); + }; + + Input::JoyAxis jx; + jx.min = -1; + if (element == gamepad.leftThumbstick) { + jx.value = gamepad.leftThumbstick.xAxis.value; + Input::get_singleton()->joy_axis(joy_id, JOY_AXIS_LEFT_X, jx); + jx.value = -gamepad.leftThumbstick.yAxis.value; + Input::get_singleton()->joy_axis(joy_id, JOY_AXIS_LEFT_Y, jx); + } else if (element == gamepad.rightThumbstick) { + jx.value = gamepad.rightThumbstick.xAxis.value; + Input::get_singleton()->joy_axis(joy_id, JOY_AXIS_RIGHT_X, jx); + jx.value = -gamepad.rightThumbstick.yAxis.value; + Input::get_singleton()->joy_axis(joy_id, JOY_AXIS_RIGHT_Y, jx); + } else if (element == gamepad.leftTrigger) { + jx.value = gamepad.leftTrigger.value; + Input::get_singleton()->joy_axis(joy_id, JOY_AXIS_TRIGGER_LEFT, jx); + } else if (element == gamepad.rightTrigger) { + jx.value = gamepad.rightTrigger.value; + Input::get_singleton()->joy_axis(joy_id, JOY_AXIS_TRIGGER_RIGHT, jx); + }; + }; + } else if (controller.microGamepad != nil) { + // micro gamepads were added in OS 9 and feature just 2 buttons and a d-pad + _weakify(self); + _weakify(controller); + + controller.microGamepad.valueChangedHandler = ^(GCMicroGamepad *gamepad, GCControllerElement *element) { + _strongify(self); + _strongify(controller); + + int joy_id = [self getJoyIdForController:controller]; + + if (element == gamepad.buttonA) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_A, + gamepad.buttonA.isPressed); + } else if (element == gamepad.buttonX) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_X, + gamepad.buttonX.isPressed); + } else if (element == gamepad.dpad) { + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_UP, + gamepad.dpad.up.isPressed); + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_DOWN, + gamepad.dpad.down.isPressed); + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_LEFT, gamepad.dpad.left.isPressed); + Input::get_singleton()->joy_button(joy_id, JOY_BUTTON_DPAD_RIGHT, gamepad.dpad.right.isPressed); + }; + }; + } + + ///@TODO need to add support for controller.motion which gives us access to + /// the orientation of the device (if supported) + + ///@TODO need to add support for controllerPausedHandler which should be a + /// toggle +}; + +@end |