mirror of
https://github.com/libretro/RetroArch.git
synced 2024-10-08 23:23:27 +00:00
424 lines
12 KiB
C
424 lines
12 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2013-2014 - Jason Fetters
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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 "apple_input.h"
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#include "input_common.h"
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#include "../general.h"
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#ifdef IOS
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#include "../apple/iOS/bluetooth/btdynamic.c"
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#include "../apple/iOS/bluetooth/btpad.c"
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#include "../apple/iOS/bluetooth/btpad_queue.c"
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#elif defined(OSX)
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#include <IOKit/hid/IOHIDManager.h>
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#endif
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#ifdef OSX
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struct apple_pad_connection
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{
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uint32_t slot;
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IOHIDDeviceRef device;
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uint8_t data[2048];
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};
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static IOHIDManagerRef g_hid_manager;
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static void apple_pad_send_control(struct apple_pad_connection* connection,
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uint8_t* data, size_t size)
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{
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IOHIDDeviceSetReport(connection->device,
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kIOHIDReportTypeOutput, 0x01, data + 1, size - 1);
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}
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/* NOTE: I pieced this together through trial and error,
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* any corrections are welcome. */
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static void hid_device_input_callback(void* context, IOReturn result,
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void* sender, IOHIDValueRef value)
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{
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IOHIDElementRef element;
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uint32_t type, page, use;
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struct apple_pad_connection* connection = (struct apple_pad_connection*)
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context;
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element = IOHIDValueGetElement(value);
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type = IOHIDElementGetType(element);
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page = IOHIDElementGetUsagePage(element);
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use = IOHIDElementGetUsage(element);
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/* Joystick handler.
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* TODO: Can GamePad work the same? */
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if (type == kIOHIDElementTypeInput_Button && page == kHIDPage_Button)
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{
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CFIndex state = IOHIDValueGetIntegerValue(value);
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if (state)
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g_current_input_data.pad_buttons[connection->slot] |= (1 << (use - 1));
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else
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g_current_input_data.pad_buttons[connection->slot] &= ~(1 << (use - 1));
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}
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else if (type == kIOHIDElementTypeInput_Misc && page == kHIDPage_GenericDesktop)
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{
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static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
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int i;
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for (i = 0; i < 4; i ++)
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{
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if (use == axis_use_ids[i])
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{
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CFIndex min, max, state;
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float val;
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min = IOHIDElementGetPhysicalMin(element);
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max = IOHIDElementGetPhysicalMax(element) - min;
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state = IOHIDValueGetIntegerValue(value) - min;
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val = (float)state / (float)max;
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g_current_input_data.pad_axis[connection->slot][i] =
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((val * 2.0f) - 1.0f) * 32767.0f;
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}
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}
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}
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}
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static void hid_device_removed(void* context, IOReturn result, void* sender)
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{
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struct apple_pad_connection* connection = (struct apple_pad_connection*)
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context;
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if (connection && connection->slot < MAX_PLAYERS)
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{
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g_current_input_data.pad_buttons[connection->slot] = 0;
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memset(g_current_input_data.pad_axis[connection->slot],
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0, sizeof(g_current_input_data.pad_axis));
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apple_joypad_disconnect(connection->slot);
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free(connection);
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}
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IOHIDDeviceClose(sender, kIOHIDOptionsTypeNone);
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}
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static void hid_device_report(void* context, IOReturn result, void *sender,
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IOHIDReportType type, uint32_t reportID, uint8_t *report,
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CFIndex reportLength)
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{
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struct apple_pad_connection* connection = (struct apple_pad_connection*)
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context;
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apple_joypad_packet(connection->slot, connection->data, reportLength + 1);
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}
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static void hid_manager_device_attached(void* context, IOReturn result,
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void* sender, IOHIDDeviceRef device)
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{
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char device_name[1024];
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CFStringRef device_name_ref;
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struct apple_pad_connection* connection = (struct apple_pad_connection*)
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calloc(1, sizeof(*connection));
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connection->device = device;
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connection->slot = MAX_PLAYERS;
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IOHIDDeviceOpen(device, kIOHIDOptionsTypeNone);
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IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(),
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kCFRunLoopCommonModes);
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IOHIDDeviceRegisterRemovalCallback(device, hid_device_removed, connection);
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device_name_ref = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
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CFStringGetCString(device_name_ref, device_name,
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sizeof(device_name), kCFStringEncodingUTF8);
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connection->slot = apple_joypad_connect(device_name, connection);
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if (apple_joypad_has_interface(connection->slot))
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IOHIDDeviceRegisterInputReportCallback(device,
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connection->data + 1, sizeof(connection->data) - 1,
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hid_device_report, connection);
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else
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IOHIDDeviceRegisterInputValueCallback(device,
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hid_device_input_callback, connection);
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if (device_name[0] != '\0')
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{
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strlcpy(g_settings.input.device_names[connection->slot],
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device_name, sizeof(g_settings.input.device_names));
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input_config_autoconfigure_joypad(connection->slot,
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device_name, apple_joypad.ident);
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RARCH_LOG("Port %d: %s.\n", connection->slot, device_name);
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}
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}
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static void append_matching_dictionary(CFMutableArrayRef array,
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uint32_t page, uint32_t use)
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{
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CFNumberRef pagen, usen;
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CFMutableDictionaryRef matcher;
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matcher = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
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&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
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pagen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &page);
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CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsagePageKey), pagen);
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CFRelease(pagen);
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usen = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &use);
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CFDictionarySetValue(matcher, CFSTR(kIOHIDDeviceUsageKey), usen);
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CFRelease(usen);
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CFArrayAppendValue(array, matcher);
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CFRelease(matcher);
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}
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#endif
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#include "wiimote.c"
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#include "apple_joypad_ps3.c"
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#include "apple_joypad_wii.c"
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typedef struct
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{
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bool used;
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struct apple_pad_interface* iface;
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void* data;
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bool is_gcapi;
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} joypad_slot_t;
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static joypad_slot_t slots[MAX_PLAYERS];
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static int32_t find_empty_slot(void)
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{
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unsigned i;
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for (i = 0; i < MAX_PLAYERS; i++)
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{
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if (!slots[i].used)
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{
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memset(&slots[i], 0, sizeof(slots[0]));
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return i;
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}
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}
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return -1;
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}
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int32_t apple_joypad_connect(const char* name,
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struct apple_pad_connection* connection)
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{
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int32_t slot;
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slot = find_empty_slot();
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if (slot >= 0 && slot < MAX_PLAYERS)
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{
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unsigned i;
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joypad_slot_t* s = (joypad_slot_t*)&slots[slot];
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s->used = true;
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static const struct
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{
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const char* name;
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struct apple_pad_interface* iface;
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} pad_map[] =
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{
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{ "Nintendo RVL-CNT-01", &apple_pad_wii },
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{ "PLAYSTATION(R)3 Controller", &apple_pad_ps3 },
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{ 0, 0}
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};
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for (i = 0; name && pad_map[i].name; i++)
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if (strstr(name, pad_map[i].name))
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{
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s->iface = pad_map[i].iface;
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s->data = s->iface->connect(connection, slot);
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}
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}
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return slot;
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}
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int32_t apple_joypad_connect_gcapi(void)
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{
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int32_t slot;
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slot = find_empty_slot();
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if (slot >= 0 && slot < MAX_PLAYERS)
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{
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joypad_slot_t *s = (joypad_slot_t*)&slots[slot];
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s->used = true;
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s->is_gcapi = true;
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}
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return slot;
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}
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void apple_joypad_disconnect(uint32_t slot)
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{
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if (slot < MAX_PLAYERS && slots[slot].used)
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{
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joypad_slot_t* s = (joypad_slot_t*)&slots[slot];
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if (s->iface && s->data && s->iface->disconnect)
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s->iface->disconnect(s->data);
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memset(s, 0, sizeof(joypad_slot_t));
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}
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}
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void apple_joypad_packet(uint32_t slot, uint8_t* data, uint32_t length)
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{
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if (slot < MAX_PLAYERS && slots[slot].used)
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{
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joypad_slot_t *s = (joypad_slot_t*)&slots[slot];
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if (s->iface && s->data && s->iface->packet_handler)
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s->iface->packet_handler(s->data, data, length);
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}
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}
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bool apple_joypad_has_interface(uint32_t slot)
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{
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if (slot < MAX_PLAYERS && slots[slot].used)
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return slots[slot].iface ? true : false;
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return false;
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}
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// RetroArch joypad driver:
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static bool apple_joypad_init(void)
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{
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#ifdef OSX
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CFMutableArrayRef matcher;
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if (!g_hid_manager)
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{
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g_hid_manager = IOHIDManagerCreate(
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kCFAllocatorDefault, kIOHIDOptionsTypeNone);
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matcher = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
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append_matching_dictionary(matcher, kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick);
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append_matching_dictionary(matcher, kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad);
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IOHIDManagerSetDeviceMatchingMultiple(g_hid_manager, matcher);
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CFRelease(matcher);
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IOHIDManagerRegisterDeviceMatchingCallback(g_hid_manager, hid_manager_device_attached, 0);
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IOHIDManagerScheduleWithRunLoop(g_hid_manager, CFRunLoopGetMain(), kCFRunLoopCommonModes);
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IOHIDManagerOpen(g_hid_manager, kIOHIDOptionsTypeNone);
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}
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#endif
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return true;
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}
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static bool apple_joypad_query_pad(unsigned pad)
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{
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return pad < MAX_PLAYERS;
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}
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static void apple_joypad_destroy(void)
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{
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unsigned i;
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for (i = 0; i < MAX_PLAYERS; i ++)
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{
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if (slots[i].used && slots[i].iface && slots[i].iface->set_rumble)
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{
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slots[i].iface->set_rumble(slots[i].data, RETRO_RUMBLE_STRONG, 0);
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slots[i].iface->set_rumble(slots[i].data, RETRO_RUMBLE_WEAK, 0);
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}
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}
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#ifdef OSX
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if (g_hid_manager)
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{
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IOHIDManagerClose(g_hid_manager, kIOHIDOptionsTypeNone);
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IOHIDManagerUnscheduleFromRunLoop(g_hid_manager,
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CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
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CFRelease(g_hid_manager);
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}
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g_hid_manager = NULL;
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#endif
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}
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static bool apple_joypad_button(unsigned port, uint16_t joykey)
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{
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if (joykey == NO_BTN)
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return false;
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// Check hat.
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if (GET_HAT_DIR(joykey))
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return false;
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// Check the button
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return (port < MAX_PLAYERS && joykey < 32) ?
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(g_current_input_data.pad_buttons[port] & (1 << joykey)) != 0 : false;
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}
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static int16_t apple_joypad_axis(unsigned port, uint32_t joyaxis)
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{
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int16_t val;
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if (joyaxis == AXIS_NONE)
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return 0;
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val = 0;
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if (AXIS_NEG_GET(joyaxis) < 4)
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{
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val = g_current_input_data.pad_axis[port][AXIS_NEG_GET(joyaxis)];
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val = (val < 0) ? val : 0;
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}
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else if(AXIS_POS_GET(joyaxis) < 4)
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{
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val = g_current_input_data.pad_axis[port][AXIS_POS_GET(joyaxis)];
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val = (val > 0) ? val : 0;
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}
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return val;
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}
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static void apple_joypad_poll(void)
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{
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}
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static bool apple_joypad_rumble(unsigned pad,
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enum retro_rumble_effect effect, uint16_t strength)
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{
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if (pad < MAX_PLAYERS && slots[pad].used && slots[pad].iface
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&& slots[pad].iface->set_rumble)
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{
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slots[pad].iface->set_rumble(slots[pad].data, effect, strength);
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return true;
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}
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return false;
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}
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static const char *apple_joypad_name(unsigned joypad)
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{
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(void)joypad;
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return NULL;
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}
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rarch_joypad_driver_t apple_joypad = {
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apple_joypad_init,
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apple_joypad_query_pad,
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apple_joypad_destroy,
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apple_joypad_button,
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apple_joypad_axis,
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apple_joypad_poll,
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apple_joypad_rumble,
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apple_joypad_name,
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"apple"
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};
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