mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-02 13:28:35 +00:00
444 lines
16 KiB
Objective-C
444 lines
16 KiB
Objective-C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <unistd.h>
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#include <string.h>
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#include <limits.h>
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#include <errno.h>
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#include <boolean.h>
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#include <AvailabilityMacros.h>
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#include "../../tasks/tasks_internal.h"
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#import <GameController/GameController.h>
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#ifndef MAX_MFI_CONTROLLERS
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#define MAX_MFI_CONTROLLERS 4
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#endif
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enum
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{
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GCCONTROLLER_PLAYER_INDEX_UNSET = -1,
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};
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/* TODO/FIXME - static globals */
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static uint32_t mfi_buttons[MAX_USERS];
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static int16_t mfi_axes[MAX_USERS][4];
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static uint32_t mfi_controllers[MAX_MFI_CONTROLLERS];
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static NSMutableArray *mfiControllers;
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static bool apple_gamecontroller_available(void)
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{
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int major, minor;
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get_ios_version(&major, &minor);
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if (major <= 6)
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return false;
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return true;
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}
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static void apple_gamecontroller_joypad_poll_internal(GCController *controller)
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{
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uint32_t slot, pause, select, l3, r3;
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uint32_t *buttons;
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if (!controller)
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return;
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slot = (uint32_t)controller.playerIndex;
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buttons = &mfi_buttons[slot];
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/* retain the values from the paused controller handler and pass them through */
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if (@available(iOS 13, *))
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{
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// The menu button can be pressed/unpressed like any other button in iOS 13
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// so no need to passthrough anything
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*buttons = 0;
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}
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else
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{
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// Use the paused controller handler for iOS versions below 13
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pause = *buttons & (1 << RETRO_DEVICE_ID_JOYPAD_START);
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select = *buttons & (1 << RETRO_DEVICE_ID_JOYPAD_SELECT);
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l3 = *buttons & ( 1 << RETRO_DEVICE_ID_JOYPAD_L3 );
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r3 = *buttons & ( 1 << RETRO_DEVICE_ID_JOYPAD_R3 );
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*buttons = 0 | pause | select | l3 | r3;
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}
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memset(mfi_axes[slot], 0, sizeof(mfi_axes[0]));
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if (controller.extendedGamepad)
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{
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GCExtendedGamepad *gp = (GCExtendedGamepad *)controller.extendedGamepad;
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*buttons |= gp.dpad.up.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
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*buttons |= gp.dpad.down.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
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*buttons |= gp.dpad.left.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
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*buttons |= gp.dpad.right.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
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*buttons |= gp.buttonA.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_B) : 0;
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*buttons |= gp.buttonB.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_A) : 0;
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*buttons |= gp.buttonX.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_Y) : 0;
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*buttons |= gp.buttonY.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_X) : 0;
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*buttons |= gp.leftShoulder.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_L) : 0;
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*buttons |= gp.rightShoulder.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_R) : 0;
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*buttons |= gp.leftTrigger.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_L2) : 0;
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*buttons |= gp.rightTrigger.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_R2) : 0;
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#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 120100 || __TV_OS_VERSION_MAX_ALLOWED >= 120100
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if (@available(iOS 12.1, *)) {
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*buttons |= gp.leftThumbstickButton.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_L3) : 0;
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*buttons |= gp.rightThumbstickButton.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_R3) : 0;
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}
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#endif
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#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000 || __TV_OS_VERSION_MAX_ALLOWED >= 130000
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if (@available(iOS 13, *))
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{
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// Support "Options" button present in PS4 / XBox One controllers
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*buttons |= gp.buttonOptions.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_SELECT) : 0;
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// Support buttons that aren't supported by older mFi controller via "hotkey" combinations:
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//
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// LS + Menu => Select
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// LT + Menu => L3
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// RT + Menu => R3
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if ( gp.buttonMenu.pressed ) {
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if ( gp.leftShoulder.pressed ) {
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*buttons |= 1 << RETRO_DEVICE_ID_JOYPAD_SELECT;
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} else if ( gp.leftTrigger.pressed ) {
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*buttons |= 1 << RETRO_DEVICE_ID_JOYPAD_L3;
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} else if ( gp.rightTrigger.pressed ) {
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*buttons |= 1 << RETRO_DEVICE_ID_JOYPAD_R3;
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} else {
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*buttons |= 1 << RETRO_DEVICE_ID_JOYPAD_START;
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}
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}
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}
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#endif
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mfi_axes[slot][0] = gp.leftThumbstick.xAxis.value * 32767.0f;
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mfi_axes[slot][1] = gp.leftThumbstick.yAxis.value * 32767.0f;
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mfi_axes[slot][2] = gp.rightThumbstick.xAxis.value * 32767.0f;
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mfi_axes[slot][3] = gp.rightThumbstick.yAxis.value * 32767.0f;
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}
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else if (controller.gamepad)
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{
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GCGamepad *gp = (GCGamepad *)controller.gamepad;
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*buttons |= gp.dpad.up.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
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*buttons |= gp.dpad.down.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
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*buttons |= gp.dpad.left.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
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*buttons |= gp.dpad.right.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
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*buttons |= gp.buttonA.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_B) : 0;
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*buttons |= gp.buttonB.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_A) : 0;
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*buttons |= gp.buttonX.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_Y) : 0;
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*buttons |= gp.buttonY.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_X) : 0;
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*buttons |= gp.leftShoulder.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_L) : 0;
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*buttons |= gp.rightShoulder.pressed ? (1 << RETRO_DEVICE_ID_JOYPAD_R) : 0;
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}
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}
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static void apple_gamecontroller_joypad_poll(void)
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{
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if (!apple_gamecontroller_available())
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return;
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for (GCController *controller in [GCController controllers])
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apple_gamecontroller_joypad_poll_internal(controller);
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}
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static void apple_gamecontroller_joypad_register(GCGamepad *gamepad)
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{
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gamepad.valueChangedHandler = ^(GCGamepad *updateGamepad, GCControllerElement *element)
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{
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apple_gamecontroller_joypad_poll_internal(updateGamepad.controller);
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};
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if (@available(iOS 13, *)) {
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// controllerPausedHandler is deprecated in favor of being able to deal with the menu
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// button as any other button
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return;
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} else {
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gamepad.controller.controllerPausedHandler = ^(GCController *controller)
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{
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uint32_t slot = (uint32_t)controller.playerIndex;
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// Support buttons that aren't supported by the mFi controller via "hotkey" combinations:
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//
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// LS + Menu => Select
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// LT + Menu => L3
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// RT + Menu => R3
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// Note that these are just button presses, and it does not simulate holding down the button
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if ( controller.gamepad.leftShoulder.pressed || controller.extendedGamepad.leftShoulder.pressed ) {
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_START);
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_L);
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mfi_buttons[slot] |= (1 << RETRO_DEVICE_ID_JOYPAD_SELECT);
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_SELECT);
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});
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return;
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}
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if ( controller.extendedGamepad.leftTrigger.pressed ) {
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_L2);
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_START);
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mfi_buttons[slot] |= (1 << RETRO_DEVICE_ID_JOYPAD_L3);
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_L3);
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});
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return;
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}
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if ( controller.extendedGamepad.rightTrigger.pressed ) {
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_R2);
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_START);
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mfi_buttons[slot] |= (1 << RETRO_DEVICE_ID_JOYPAD_R3);
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_R3);
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});
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return;
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}
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mfi_buttons[slot] |= (1 << RETRO_DEVICE_ID_JOYPAD_START);
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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mfi_buttons[slot] &= ~(1 << RETRO_DEVICE_ID_JOYPAD_START);
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});
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};
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}
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}
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static void mfi_joypad_autodetect_add(unsigned autoconf_pad)
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{
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input_autoconfigure_connect("mFi Controller", NULL, mfi_joypad.ident, autoconf_pad, 0, 0);
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}
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static void apple_gamecontroller_joypad_connect(GCController *controller)
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{
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signed desired_index = (int32_t)controller.playerIndex;
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desired_index = (desired_index >= 0 && desired_index < MAX_MFI_CONTROLLERS)
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? desired_index : 0;
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/* prevent same controller getting set twice */
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if ( [mfiControllers containsObject:controller] ) {
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return;
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}
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if (mfi_controllers[desired_index] != (uint32_t)controller.hash)
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{
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/* desired slot is unused, take it */
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if (!mfi_controllers[desired_index])
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{
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controller.playerIndex = desired_index;
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mfi_controllers[desired_index] = (uint32_t)controller.hash;
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}
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else
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{
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/* find a new slot for this controller that's unused */
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unsigned i;
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for (i = 0; i < MAX_MFI_CONTROLLERS; ++i)
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{
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if (mfi_controllers[i])
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continue;
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mfi_controllers[i] = (uint32_t)controller.hash;
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controller.playerIndex = i;
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break;
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}
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}
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[mfiControllers addObject:controller];
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// move any non-game controllers (like the siri remote) to the end
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if ( mfiControllers.count > 1 ) {
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NSInteger connectedNonGameControllerIndex = NSNotFound;
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NSUInteger index = 0;
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for (GCController *connectedController in mfiControllers) {
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if ( connectedController.gamepad == nil && connectedController.extendedGamepad == nil ) {
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connectedNonGameControllerIndex = index;
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}
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index++;
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}
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if ( connectedNonGameControllerIndex != NSNotFound ) {
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GCController *nonGameController = [mfiControllers objectAtIndex:connectedNonGameControllerIndex];
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[mfiControllers removeObjectAtIndex:connectedNonGameControllerIndex];
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[mfiControllers addObject:nonGameController];
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}
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int newPlayerIndex = 0;
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for (GCController *gc in mfiControllers) {
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gc.playerIndex = newPlayerIndex++;
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}
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}
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apple_gamecontroller_joypad_register(controller.gamepad);
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mfi_joypad_autodetect_add(controller.playerIndex);
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}
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}
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static void apple_gamecontroller_joypad_disconnect(GCController* controller)
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{
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signed pad = (int32_t)controller.playerIndex;
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if (pad == GCCONTROLLER_PLAYER_INDEX_UNSET)
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return;
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mfi_controllers[pad] = 0;
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if ( [mfiControllers containsObject:controller] )
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{
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[mfiControllers removeObject:controller];
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input_autoconfigure_disconnect(pad, mfi_joypad.ident);
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}
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}
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bool apple_gamecontroller_joypad_init(void *data)
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{
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static bool inited = false;
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if (inited)
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return true;
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if (!apple_gamecontroller_available())
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return false;
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mfiControllers = [[NSMutableArray alloc] initWithCapacity:MAX_MFI_CONTROLLERS];
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#ifdef __IPHONE_7_0
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[[NSNotificationCenter defaultCenter] addObserverForName:GCControllerDidConnectNotification
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object:nil
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queue:[NSOperationQueue mainQueue]
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usingBlock:^(NSNotification *note)
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{
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apple_gamecontroller_joypad_connect([note object]);
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}];
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[[NSNotificationCenter defaultCenter] addObserverForName:GCControllerDidDisconnectNotification
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object:nil
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queue:[NSOperationQueue mainQueue]
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usingBlock:^(NSNotification *note)
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{
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apple_gamecontroller_joypad_disconnect([note object]);
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} ];
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#endif
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return true;
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}
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static void apple_gamecontroller_joypad_destroy(void) { }
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static int16_t apple_gamecontroller_joypad_button(
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unsigned port, uint16_t joykey)
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{
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if (port >= DEFAULT_MAX_PADS)
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return 0;
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/* Check hat. */
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else if (GET_HAT_DIR(joykey))
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return 0;
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else if (joykey < 32)
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return ((mfi_buttons[port] & (1 << joykey)) != 0);
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return 0;
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}
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static void apple_gamecontroller_joypad_get_buttons(unsigned port,
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input_bits_t *state)
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{
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BITS_COPY16_PTR(state, mfi_buttons[port]);
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}
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static int16_t apple_gamecontroller_joypad_axis(
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unsigned port, uint32_t joyaxis)
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{
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int16_t val = 0;
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int16_t axis = -1;
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bool is_neg = false;
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bool is_pos = false;
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if (AXIS_NEG_GET(joyaxis) < 4)
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{
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axis = AXIS_NEG_GET(joyaxis);
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is_neg = true;
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}
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else if(AXIS_POS_GET(joyaxis) < 4)
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{
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axis = AXIS_POS_GET(joyaxis);
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is_pos = true;
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}
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else
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return 0;
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if (axis >= 0 && axis < 4)
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val = mfi_axes[port][axis];
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if (is_neg && val > 0)
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return 0;
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else if (is_pos && val < 0)
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return 0;
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return val;
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}
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static int16_t apple_gamecontroller_joypad_state(
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rarch_joypad_info_t *joypad_info,
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const struct retro_keybind *binds,
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unsigned port)
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{
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unsigned i;
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int16_t ret = 0;
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uint16_t port_idx = joypad_info->joy_idx;
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if (port_idx >= DEFAULT_MAX_PADS)
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return 0;
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for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
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{
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/* Auto-binds are per joypad, not per user. */
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const uint64_t joykey = (binds[i].joykey != NO_BTN)
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? binds[i].joykey : joypad_info->auto_binds[i].joykey;
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const uint32_t joyaxis = (binds[i].joyaxis != AXIS_NONE)
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? binds[i].joyaxis : joypad_info->auto_binds[i].joyaxis;
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if ( (uint16_t)joykey != NO_BTN
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&& !GET_HAT_DIR(i)
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&& (i < 32)
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&& ((mfi_buttons[port_idx] & (1 << i)) != 0)
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)
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ret |= ( 1 << i);
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else if (joyaxis != AXIS_NONE &&
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((float)abs(apple_gamecontroller_joypad_axis(port_idx, joyaxis))
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/ 0x8000) > joypad_info->axis_threshold)
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ret |= (1 << i);
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}
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return ret;
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}
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static bool apple_gamecontroller_joypad_query_pad(unsigned pad)
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{
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return pad < MAX_USERS;
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}
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static const char *apple_gamecontroller_joypad_name(unsigned pad)
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{
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if (pad >= MAX_USERS)
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return NULL;
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return "mFi Controller";
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}
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input_device_driver_t mfi_joypad = {
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apple_gamecontroller_joypad_init,
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apple_gamecontroller_joypad_query_pad,
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apple_gamecontroller_joypad_destroy,
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apple_gamecontroller_joypad_button,
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apple_gamecontroller_joypad_state,
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apple_gamecontroller_joypad_get_buttons,
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apple_gamecontroller_joypad_axis,
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apple_gamecontroller_joypad_poll,
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NULL,
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apple_gamecontroller_joypad_name,
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"mfi",
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};
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