diff options
author | chai <chaifix@163.com> | 2019-03-19 23:06:27 +0800 |
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committer | chai <chaifix@163.com> | 2019-03-19 23:06:27 +0800 |
commit | 1497dccd63a84b7ee2b229b1ad9c5c02718f2a78 (patch) | |
tree | f8d1bff50da13e126d08c7345653e002e293202d /Source/3rdParty/SDL2/src/joystick/android/SDL_sysjoystick.c | |
parent | 5e2a973516e0729b225da9de0b03015dc5854ac4 (diff) |
*rename
Diffstat (limited to 'Source/3rdParty/SDL2/src/joystick/android/SDL_sysjoystick.c')
-rw-r--r-- | Source/3rdParty/SDL2/src/joystick/android/SDL_sysjoystick.c | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/Source/3rdParty/SDL2/src/joystick/android/SDL_sysjoystick.c b/Source/3rdParty/SDL2/src/joystick/android/SDL_sysjoystick.c deleted file mode 100644 index 69b657f..0000000 --- a/Source/3rdParty/SDL2/src/joystick/android/SDL_sysjoystick.c +++ /dev/null @@ -1,710 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -#include "../../SDL_internal.h" - -#ifdef SDL_JOYSTICK_ANDROID - -#include <stdio.h> /* For the definition of NULL */ -#include "SDL_error.h" -#include "SDL_events.h" - -#include "SDL_joystick.h" -#include "SDL_hints.h" -#include "SDL_assert.h" -#include "SDL_timer.h" -#include "SDL_log.h" -#include "SDL_sysjoystick_c.h" -#include "../SDL_joystick_c.h" -#include "../../events/SDL_keyboard_c.h" -#include "../../core/android/SDL_android.h" -#include "../hidapi/SDL_hidapijoystick_c.h" - -#include "android/keycodes.h" - -/* As of platform android-14, android/keycodes.h is missing these defines */ -#ifndef AKEYCODE_BUTTON_1 -#define AKEYCODE_BUTTON_1 188 -#define AKEYCODE_BUTTON_2 189 -#define AKEYCODE_BUTTON_3 190 -#define AKEYCODE_BUTTON_4 191 -#define AKEYCODE_BUTTON_5 192 -#define AKEYCODE_BUTTON_6 193 -#define AKEYCODE_BUTTON_7 194 -#define AKEYCODE_BUTTON_8 195 -#define AKEYCODE_BUTTON_9 196 -#define AKEYCODE_BUTTON_10 197 -#define AKEYCODE_BUTTON_11 198 -#define AKEYCODE_BUTTON_12 199 -#define AKEYCODE_BUTTON_13 200 -#define AKEYCODE_BUTTON_14 201 -#define AKEYCODE_BUTTON_15 202 -#define AKEYCODE_BUTTON_16 203 -#endif - -#define ANDROID_ACCELEROMETER_NAME "Android Accelerometer" -#define ANDROID_ACCELEROMETER_DEVICE_ID INT_MIN -#define ANDROID_MAX_NBUTTONS 36 - -static SDL_joylist_item * JoystickByDeviceId(int device_id); - -static SDL_joylist_item *SDL_joylist = NULL; -static SDL_joylist_item *SDL_joylist_tail = NULL; -static int numjoysticks = 0; - - -/* Public domain CRC implementation adapted from: - http://home.thep.lu.se/~bjorn/crc/crc32_simple.c -*/ -static Uint32 crc32_for_byte(Uint32 r) -{ - int i; - for(i = 0; i < 8; ++i) { - r = (r & 1? 0: (Uint32)0xEDB88320L) ^ r >> 1; - } - return r ^ (Uint32)0xFF000000L; -} - -static Uint32 crc32(const void *data, int count) -{ - Uint32 crc = 0; - int i; - for(i = 0; i < count; ++i) { - crc = crc32_for_byte((Uint8)crc ^ ((const Uint8*)data)[i]) ^ crc >> 8; - } - return crc; -} - -/* Function to convert Android keyCodes into SDL ones. - * This code manipulation is done to get a sequential list of codes. - * FIXME: This is only suited for the case where we use a fixed number of buttons determined by ANDROID_MAX_NBUTTONS - */ -static int -keycode_to_SDL(int keycode) -{ - /* FIXME: If this function gets too unwieldy in the future, replace with a lookup table */ - int button = 0; - switch (keycode) { - /* Some gamepad buttons (API 9) */ - case AKEYCODE_BUTTON_A: - button = SDL_CONTROLLER_BUTTON_A; - break; - case AKEYCODE_BUTTON_B: - button = SDL_CONTROLLER_BUTTON_B; - break; - case AKEYCODE_BUTTON_X: - button = SDL_CONTROLLER_BUTTON_X; - break; - case AKEYCODE_BUTTON_Y: - button = SDL_CONTROLLER_BUTTON_Y; - break; - case AKEYCODE_BUTTON_L1: - button = SDL_CONTROLLER_BUTTON_LEFTSHOULDER; - break; - case AKEYCODE_BUTTON_R1: - button = SDL_CONTROLLER_BUTTON_RIGHTSHOULDER; - break; - case AKEYCODE_BUTTON_THUMBL: - button = SDL_CONTROLLER_BUTTON_LEFTSTICK; - break; - case AKEYCODE_BUTTON_THUMBR: - button = SDL_CONTROLLER_BUTTON_RIGHTSTICK; - break; - case AKEYCODE_BUTTON_START: - button = SDL_CONTROLLER_BUTTON_START; - break; - case AKEYCODE_BACK: - case AKEYCODE_BUTTON_SELECT: - button = SDL_CONTROLLER_BUTTON_BACK; - break; - case AKEYCODE_BUTTON_MODE: - button = SDL_CONTROLLER_BUTTON_GUIDE; - break; - case AKEYCODE_BUTTON_L2: - button = SDL_CONTROLLER_BUTTON_MAX; /* Not supported by GameController */ - break; - case AKEYCODE_BUTTON_R2: - button = SDL_CONTROLLER_BUTTON_MAX+1; /* Not supported by GameController */ - break; - case AKEYCODE_BUTTON_C: - button = SDL_CONTROLLER_BUTTON_MAX+2; /* Not supported by GameController */ - break; - case AKEYCODE_BUTTON_Z: - button = SDL_CONTROLLER_BUTTON_MAX+3; /* Not supported by GameController */ - break; - - /* D-Pad key codes (API 1) */ - case AKEYCODE_DPAD_UP: - button = SDL_CONTROLLER_BUTTON_DPAD_UP; - break; - case AKEYCODE_DPAD_DOWN: - button = SDL_CONTROLLER_BUTTON_DPAD_DOWN; - break; - case AKEYCODE_DPAD_LEFT: - button = SDL_CONTROLLER_BUTTON_DPAD_LEFT; - break; - case AKEYCODE_DPAD_RIGHT: - button = SDL_CONTROLLER_BUTTON_DPAD_RIGHT; - break; - case AKEYCODE_DPAD_CENTER: - /* This is handled better by applications as the A button */ - /*button = SDL_CONTROLLER_BUTTON_MAX+4;*/ /* Not supported by GameController */ - button = SDL_CONTROLLER_BUTTON_A; - break; - - /* More gamepad buttons (API 12), these get mapped to 20...35*/ - case AKEYCODE_BUTTON_1: - case AKEYCODE_BUTTON_2: - case AKEYCODE_BUTTON_3: - case AKEYCODE_BUTTON_4: - case AKEYCODE_BUTTON_5: - case AKEYCODE_BUTTON_6: - case AKEYCODE_BUTTON_7: - case AKEYCODE_BUTTON_8: - case AKEYCODE_BUTTON_9: - case AKEYCODE_BUTTON_10: - case AKEYCODE_BUTTON_11: - case AKEYCODE_BUTTON_12: - case AKEYCODE_BUTTON_13: - case AKEYCODE_BUTTON_14: - case AKEYCODE_BUTTON_15: - case AKEYCODE_BUTTON_16: - button = keycode - AKEYCODE_BUTTON_1 + SDL_CONTROLLER_BUTTON_MAX + 5; - break; - - default: - return -1; - /* break; -Wunreachable-code-break */ - } - - /* This is here in case future generations, probably with six fingers per hand, - * happily add new cases up above and forget to update the max number of buttons. - */ - SDL_assert(button < ANDROID_MAX_NBUTTONS); - return button; -} - -static SDL_Scancode -button_to_scancode(int button) -{ - switch (button) { - case SDL_CONTROLLER_BUTTON_A: - return SDL_SCANCODE_RETURN; - case SDL_CONTROLLER_BUTTON_B: - return SDL_SCANCODE_ESCAPE; - case SDL_CONTROLLER_BUTTON_BACK: - return SDL_SCANCODE_ESCAPE; - case SDL_CONTROLLER_BUTTON_DPAD_UP: - return SDL_SCANCODE_UP; - case SDL_CONTROLLER_BUTTON_DPAD_DOWN: - return SDL_SCANCODE_DOWN; - case SDL_CONTROLLER_BUTTON_DPAD_LEFT: - return SDL_SCANCODE_LEFT; - case SDL_CONTROLLER_BUTTON_DPAD_RIGHT: - return SDL_SCANCODE_RIGHT; - } - - /* Unsupported button */ - return SDL_SCANCODE_UNKNOWN; -} - -int -Android_OnPadDown(int device_id, int keycode) -{ - SDL_joylist_item *item; - int button = keycode_to_SDL(keycode); - if (button >= 0) { - item = JoystickByDeviceId(device_id); - if (item && item->joystick) { - SDL_PrivateJoystickButton(item->joystick, button, SDL_PRESSED); - } else { - SDL_SendKeyboardKey(SDL_PRESSED, button_to_scancode(button)); - } - return 0; - } - - return -1; -} - -int -Android_OnPadUp(int device_id, int keycode) -{ - SDL_joylist_item *item; - int button = keycode_to_SDL(keycode); - if (button >= 0) { - item = JoystickByDeviceId(device_id); - if (item && item->joystick) { - SDL_PrivateJoystickButton(item->joystick, button, SDL_RELEASED); - } else { - SDL_SendKeyboardKey(SDL_RELEASED, button_to_scancode(button)); - } - return 0; - } - - return -1; -} - -int -Android_OnJoy(int device_id, int axis, float value) -{ - /* Android gives joy info normalized as [-1.0, 1.0] or [0.0, 1.0] */ - SDL_joylist_item *item = JoystickByDeviceId(device_id); - if (item && item->joystick) { - SDL_PrivateJoystickAxis(item->joystick, axis, (Sint16) (32767.*value)); - } - - return 0; -} - -int -Android_OnHat(int device_id, int hat_id, int x, int y) -{ - const int DPAD_UP_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_UP); - const int DPAD_DOWN_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_DOWN); - const int DPAD_LEFT_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT); - const int DPAD_RIGHT_MASK = (1 << SDL_CONTROLLER_BUTTON_DPAD_RIGHT); - - if (x >= -1 && x <= 1 && y >= -1 && y <= 1) { - SDL_joylist_item *item = JoystickByDeviceId(device_id); - if (item && item->joystick) { - int dpad_state = 0; - int dpad_delta; - if (x < 0) { - dpad_state |= DPAD_LEFT_MASK; - } else if (x > 0) { - dpad_state |= DPAD_RIGHT_MASK; - } - if (y < 0) { - dpad_state |= DPAD_UP_MASK; - } else if (y > 0) { - dpad_state |= DPAD_DOWN_MASK; - } - - dpad_delta = (dpad_state ^ item->dpad_state); - if (dpad_delta) { - if (dpad_delta & DPAD_UP_MASK) { - SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, (dpad_state & DPAD_UP_MASK) ? SDL_PRESSED : SDL_RELEASED); - } - if (dpad_delta & DPAD_DOWN_MASK) { - SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, (dpad_state & DPAD_DOWN_MASK) ? SDL_PRESSED : SDL_RELEASED); - } - if (dpad_delta & DPAD_LEFT_MASK) { - SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, (dpad_state & DPAD_LEFT_MASK) ? SDL_PRESSED : SDL_RELEASED); - } - if (dpad_delta & DPAD_RIGHT_MASK) { - SDL_PrivateJoystickButton(item->joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, (dpad_state & DPAD_RIGHT_MASK) ? SDL_PRESSED : SDL_RELEASED); - } - item->dpad_state = dpad_state; - } - } - return 0; - } - - return -1; -} - - -int -Android_AddJoystick(int device_id, const char *name, const char *desc, int vendor_id, int product_id, SDL_bool is_accelerometer, int button_mask, int naxes, int nhats, int nballs) -{ - SDL_joylist_item *item; - SDL_JoystickGUID guid; - Uint16 *guid16 = (Uint16 *)guid.data; - int i; - int axis_mask; - - - if (!SDL_GetHintBoolean(SDL_HINT_TV_REMOTE_AS_JOYSTICK, SDL_TRUE)) { - /* Ignore devices that aren't actually controllers (e.g. remotes), they'll be handled as keyboard input */ - if (naxes < 2 && nhats < 1) { - return -1; - } - } - - if (JoystickByDeviceId(device_id) != NULL || name == NULL) { - return -1; - } - -#ifdef SDL_JOYSTICK_HIDAPI - if (HIDAPI_IsDevicePresent(vendor_id, product_id, 0)) { - /* The HIDAPI driver is taking care of this device */ - return -1; - } -#endif - -#ifdef DEBUG_JOYSTICK - SDL_Log("Joystick: %s, descriptor %s, vendor = 0x%.4x, product = 0x%.4x, %d axes, %d hats\n", name, desc, vendor_id, product_id, naxes, nhats); -#endif - - /* Add the available buttons and axes - The axis mask should probably come from Java where there is more information about the axes... - */ - axis_mask = 0; - if (!is_accelerometer) { - if (naxes >= 2) { - axis_mask |= ((1 << SDL_CONTROLLER_AXIS_LEFTX) | (1 << SDL_CONTROLLER_AXIS_LEFTY)); - } - if (naxes >= 4) { - axis_mask |= ((1 << SDL_CONTROLLER_AXIS_RIGHTX) | (1 << SDL_CONTROLLER_AXIS_RIGHTY)); - } - if (naxes >= 6) { - axis_mask |= ((1 << SDL_CONTROLLER_AXIS_TRIGGERLEFT) | (1 << SDL_CONTROLLER_AXIS_TRIGGERRIGHT)); - } - } - - if (nhats > 0) { - /* Hat is translated into DPAD buttons */ - button_mask |= ((1 << SDL_CONTROLLER_BUTTON_DPAD_UP) | - (1 << SDL_CONTROLLER_BUTTON_DPAD_DOWN) | - (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT) | - (1 << SDL_CONTROLLER_BUTTON_DPAD_RIGHT)); - nhats = 0; - } - - SDL_memset(guid.data, 0, sizeof(guid.data)); - - /* We only need 16 bits for each of these; space them out to fill 128. */ - /* Byteswap so devices get same GUID on little/big endian platforms. */ - *guid16++ = SDL_SwapLE16(SDL_HARDWARE_BUS_BLUETOOTH); - *guid16++ = 0; - - if (vendor_id && product_id) { - *guid16++ = SDL_SwapLE16(vendor_id); - *guid16++ = 0; - *guid16++ = SDL_SwapLE16(product_id); - *guid16++ = 0; - } else { - Uint32 crc = crc32(desc, SDL_strlen(desc)); - SDL_memcpy(guid16, desc, SDL_min(2*sizeof(*guid16), SDL_strlen(desc))); - guid16 += 2; - *(Uint32 *)guid16 = SDL_SwapLE32(crc); - guid16 += 2; - } - - *guid16++ = SDL_SwapLE16(button_mask); - *guid16++ = SDL_SwapLE16(axis_mask); - - item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item)); - if (item == NULL) { - return -1; - } - - SDL_zerop(item); - item->guid = guid; - item->device_id = device_id; - item->name = SDL_strdup(name); - if (item->name == NULL) { - SDL_free(item); - return -1; - } - - item->is_accelerometer = is_accelerometer; - if (button_mask == 0xFFFFFFFF) { - item->nbuttons = ANDROID_MAX_NBUTTONS; - } else { - for (i = 0; i < sizeof(button_mask)*8; ++i) { - if (button_mask & (1 << i)) { - item->nbuttons = i+1; - } - } - } - item->naxes = naxes; - item->nhats = nhats; - item->nballs = nballs; - item->device_instance = SDL_GetNextJoystickInstanceID(); - if (SDL_joylist_tail == NULL) { - SDL_joylist = SDL_joylist_tail = item; - } else { - SDL_joylist_tail->next = item; - SDL_joylist_tail = item; - } - - /* Need to increment the joystick count before we post the event */ - ++numjoysticks; - - SDL_PrivateJoystickAdded(item->device_instance); - -#ifdef DEBUG_JOYSTICK - SDL_Log("Added joystick %s with device_id %d", name, device_id); -#endif - - return numjoysticks; -} - -int -Android_RemoveJoystick(int device_id) -{ - SDL_joylist_item *item = SDL_joylist; - SDL_joylist_item *prev = NULL; - - /* Don't call JoystickByDeviceId here or there'll be an infinite loop! */ - while (item != NULL) { - if (item->device_id == device_id) { - break; - } - prev = item; - item = item->next; - } - - if (item == NULL) { - return -1; - } - - if (item->joystick) { - item->joystick->hwdata = NULL; - } - - if (prev != NULL) { - prev->next = item->next; - } else { - SDL_assert(SDL_joylist == item); - SDL_joylist = item->next; - } - if (item == SDL_joylist_tail) { - SDL_joylist_tail = prev; - } - - /* Need to decrement the joystick count before we post the event */ - --numjoysticks; - - SDL_PrivateJoystickRemoved(item->device_instance); - -#ifdef DEBUG_JOYSTICK - SDL_Log("Removed joystick with device_id %d", device_id); -#endif - - SDL_free(item->name); - SDL_free(item); - return numjoysticks; -} - - -static void ANDROID_JoystickDetect(); - -static int -ANDROID_JoystickInit(void) -{ - ANDROID_JoystickDetect(); - - if (SDL_GetHintBoolean(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, SDL_TRUE)) { - /* Default behavior, accelerometer as joystick */ - Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, ANDROID_ACCELEROMETER_NAME, 0, 0, SDL_TRUE, 0, 3, 0, 0); - } - return 0; - -} - -static int -ANDROID_JoystickGetCount(void) -{ - return numjoysticks; -} - -static void -ANDROID_JoystickDetect(void) -{ - /* Support for device connect/disconnect is API >= 16 only, - * so we poll every three seconds - * Ref: http://developer.android.com/reference/android/hardware/input/InputManager.InputDeviceListener.html - */ - static Uint32 timeout = 0; - if (!timeout || SDL_TICKS_PASSED(SDL_GetTicks(), timeout)) { - timeout = SDL_GetTicks() + 3000; - Android_JNI_PollInputDevices(); - } -} - -static SDL_joylist_item * -JoystickByDevIndex(int device_index) -{ - SDL_joylist_item *item = SDL_joylist; - - if ((device_index < 0) || (device_index >= numjoysticks)) { - return NULL; - } - - while (device_index > 0) { - SDL_assert(item != NULL); - device_index--; - item = item->next; - } - - return item; -} - -static SDL_joylist_item * -JoystickByDeviceId(int device_id) -{ - SDL_joylist_item *item = SDL_joylist; - - while (item != NULL) { - if (item->device_id == device_id) { - return item; - } - item = item->next; - } - - /* Joystick not found, try adding it */ - ANDROID_JoystickDetect(); - - while (item != NULL) { - if (item->device_id == device_id) { - return item; - } - item = item->next; - } - - return NULL; -} - -static const char * -ANDROID_JoystickGetDeviceName(int device_index) -{ - return JoystickByDevIndex(device_index)->name; -} - -static int -ANDROID_JoystickGetDevicePlayerIndex(int device_index) -{ - return -1; -} - -static SDL_JoystickGUID -ANDROID_JoystickGetDeviceGUID(int device_index) -{ - return JoystickByDevIndex(device_index)->guid; -} - -static SDL_JoystickID -ANDROID_JoystickGetDeviceInstanceID(int device_index) -{ - return JoystickByDevIndex(device_index)->device_instance; -} - -static int -ANDROID_JoystickOpen(SDL_Joystick * joystick, int device_index) -{ - SDL_joylist_item *item = JoystickByDevIndex(device_index); - - if (item == NULL) { - return SDL_SetError("No such device"); - } - - if (item->joystick != NULL) { - return SDL_SetError("Joystick already opened"); - } - - joystick->instance_id = item->device_instance; - joystick->hwdata = (struct joystick_hwdata *) item; - item->joystick = joystick; - joystick->nhats = item->nhats; - joystick->nballs = item->nballs; - joystick->nbuttons = item->nbuttons; - joystick->naxes = item->naxes; - - return (0); -} - -static int -ANDROID_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms) -{ - return SDL_Unsupported(); -} - -static void -ANDROID_JoystickUpdate(SDL_Joystick * joystick) -{ - SDL_joylist_item *item = (SDL_joylist_item *) joystick->hwdata; - - if (item == NULL) { - return; - } - - if (item->is_accelerometer) { - int i; - Sint16 value; - float values[3]; - - if (Android_JNI_GetAccelerometerValues(values)) { - for (i = 0; i < 3; i++) { - if (values[i] > 1.0f) { - values[i] = 1.0f; - } else if (values[i] < -1.0f) { - values[i] = -1.0f; - } - - value = (Sint16)(values[i] * 32767.0f); - SDL_PrivateJoystickAxis(item->joystick, i, value); - } - } - } -} - -static void -ANDROID_JoystickClose(SDL_Joystick * joystick) -{ - SDL_joylist_item *item = (SDL_joylist_item *) joystick->hwdata; - if (item) { - item->joystick = NULL; - } -} - -static void -ANDROID_JoystickQuit(void) -{ -/* We don't have any way to scan for joysticks at init, so don't wipe the list - * of joysticks here in case this is a reinit. - */ -#if 0 - SDL_joylist_item *item = NULL; - SDL_joylist_item *next = NULL; - - for (item = SDL_joylist; item; item = next) { - next = item->next; - SDL_free(item->name); - SDL_free(item); - } - - SDL_joylist = SDL_joylist_tail = NULL; - - numjoysticks = 0; -#endif /* 0 */ -} - -SDL_JoystickDriver SDL_ANDROID_JoystickDriver = -{ - ANDROID_JoystickInit, - ANDROID_JoystickGetCount, - ANDROID_JoystickDetect, - ANDROID_JoystickGetDeviceName, - ANDROID_JoystickGetDevicePlayerIndex, - ANDROID_JoystickGetDeviceGUID, - ANDROID_JoystickGetDeviceInstanceID, - ANDROID_JoystickOpen, - ANDROID_JoystickRumble, - ANDROID_JoystickUpdate, - ANDROID_JoystickClose, - ANDROID_JoystickQuit, -}; - -#endif /* SDL_JOYSTICK_ANDROID */ - -/* vi: set ts=4 sw=4 expandtab: */ |