| | |
| | | /* |
| | | Simple DirectMedia Layer |
| | | Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> |
| | | 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 |
| | |
| | | #include "SDL_error.h" |
| | | #include "SDL_events.h" |
| | | |
| | | #if !SDL_EVENTS_DISABLED |
| | | #include "../../events/SDL_events_c.h" |
| | | #endif |
| | | |
| | | #include "SDL_joystick.h" |
| | | #include "SDL_hints.h" |
| | | #include "SDL_assert.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" |
| | | |
| | |
| | | static SDL_joylist_item *SDL_joylist = NULL; |
| | | static SDL_joylist_item *SDL_joylist_tail = NULL; |
| | | static int numjoysticks = 0; |
| | | static int instance_counter = 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. |
| | |
| | | static int |
| | | keycode_to_SDL(int keycode) |
| | | { |
| | | /* FIXME: If this function gets too unwiedly in the future, replace with a lookup table */ |
| | | /* FIXME: If this function gets too unwieldy in the future, replace with a lookup table */ |
| | | int button = 0; |
| | | switch(keycode) |
| | | { |
| | | switch (keycode) { |
| | | /* Some gamepad buttons (API 9) */ |
| | | case AKEYCODE_BUTTON_A: |
| | | button = SDL_CONTROLLER_BUTTON_A; |
| | |
| | | case AKEYCODE_BUTTON_START: |
| | | button = SDL_CONTROLLER_BUTTON_START; |
| | | break; |
| | | case AKEYCODE_BACK: |
| | | case AKEYCODE_BUTTON_SELECT: |
| | | button = SDL_CONTROLLER_BUTTON_BACK; |
| | | break; |
| | |
| | | button = SDL_CONTROLLER_BUTTON_DPAD_RIGHT; |
| | | break; |
| | | case AKEYCODE_DPAD_CENTER: |
| | | button = SDL_CONTROLLER_BUTTON_MAX+4; /* Not supported by GameController */ |
| | | /* 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*/ |
| | |
| | | |
| | | default: |
| | | return -1; |
| | | break; |
| | | /* break; -Wunreachable-code-break */ |
| | | } |
| | | |
| | | /* This is here in case future generations, probably with six fingers per hand, |
| | |
| | | */ |
| | | 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 |
| | |
| | | if (button >= 0) { |
| | | item = JoystickByDeviceId(device_id); |
| | | if (item && item->joystick) { |
| | | SDL_PrivateJoystickButton(item->joystick, button , SDL_PRESSED); |
| | | SDL_PrivateJoystickButton(item->joystick, button, SDL_PRESSED); |
| | | } else { |
| | | SDL_SendKeyboardKey(SDL_PRESSED, button_to_scancode(button)); |
| | | } |
| | | return 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; |
| | | } |
| | |
| | | /* 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) ); |
| | | SDL_PrivateJoystickAxis(item->joystick, axis, (Sint16) (32767.*value)); |
| | | } |
| | | |
| | | return 0; |
| | |
| | | int |
| | | Android_OnHat(int device_id, int hat_id, int x, int y) |
| | | { |
| | | const Uint8 position_map[3][3] = { |
| | | {SDL_HAT_LEFTUP, SDL_HAT_UP, SDL_HAT_RIGHTUP}, |
| | | {SDL_HAT_LEFT, SDL_HAT_CENTERED, SDL_HAT_RIGHT}, |
| | | {SDL_HAT_LEFTDOWN, SDL_HAT_DOWN, SDL_HAT_RIGHTDOWN} |
| | | }; |
| | | 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) { |
| | | if (x >= -1 && x <= 1 && y >= -1 && y <= 1) { |
| | | SDL_joylist_item *item = JoystickByDeviceId(device_id); |
| | | if (item && item->joystick) { |
| | | SDL_PrivateJoystickHat(item->joystick, hat_id, position_map[y+1][x+1] ); |
| | | 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; |
| | | } |
| | |
| | | |
| | | |
| | | int |
| | | Android_AddJoystick(int device_id, const char *name, SDL_bool is_accelerometer, int nbuttons, int naxes, int nhats, int nballs) |
| | | 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_JoystickGUID guid; |
| | | SDL_joylist_item *item; |
| | | #if !SDL_EVENTS_DISABLED |
| | | SDL_Event event; |
| | | #endif |
| | | |
| | | if(JoystickByDeviceId(device_id) != NULL || name == NULL) { |
| | | return -1; |
| | | 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; |
| | | } |
| | | } |
| | | |
| | | /* the GUID is just the first 16 chars of the name for now */ |
| | | SDL_zero( guid ); |
| | | SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) ); |
| | | 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) { |
| | |
| | | item->guid = guid; |
| | | item->device_id = device_id; |
| | | item->name = SDL_strdup(name); |
| | | if ( item->name == NULL ) { |
| | | if (item->name == NULL) { |
| | | SDL_free(item); |
| | | return -1; |
| | | } |
| | | |
| | | item->is_accelerometer = is_accelerometer; |
| | | if (nbuttons > -1) { |
| | | item->nbuttons = nbuttons; |
| | | } |
| | | else { |
| | | 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 = instance_counter++; |
| | | item->device_instance = SDL_GetNextJoystickInstanceID(); |
| | | if (SDL_joylist_tail == NULL) { |
| | | SDL_joylist = SDL_joylist_tail = item; |
| | | } else { |
| | |
| | | /* Need to increment the joystick count before we post the event */ |
| | | ++numjoysticks; |
| | | |
| | | #if !SDL_EVENTS_DISABLED |
| | | event.type = SDL_JOYDEVICEADDED; |
| | | SDL_PrivateJoystickAdded(item->device_instance); |
| | | |
| | | if (SDL_GetEventState(event.type) == SDL_ENABLE) { |
| | | event.jdevice.which = (numjoysticks - 1); |
| | | if ( (SDL_EventOK == NULL) || |
| | | (*SDL_EventOK) (SDL_EventOKParam, &event) ) { |
| | | SDL_PushEvent(&event); |
| | | } |
| | | } |
| | | #endif /* !SDL_EVENTS_DISABLED */ |
| | | |
| | | #ifdef DEBUG_JOYSTICK |
| | | SDL_Log("Added joystick %s with device_id %d", name, device_id); |
| | | #endif |
| | | |
| | | return numjoysticks; |
| | | } |
| | |
| | | { |
| | | SDL_joylist_item *item = SDL_joylist; |
| | | SDL_joylist_item *prev = NULL; |
| | | #if !SDL_EVENTS_DISABLED |
| | | SDL_Event event; |
| | | #endif |
| | | |
| | | /* Don't call JoystickByDeviceId here or there'll be an infinite loop! */ |
| | | while (item != NULL) { |
| | |
| | | return -1; |
| | | } |
| | | |
| | | const int retval = item->device_instance; |
| | | if (item->joystick) { |
| | | item->joystick->hwdata = NULL; |
| | | } |
| | |
| | | /* Need to decrement the joystick count before we post the event */ |
| | | --numjoysticks; |
| | | |
| | | #if !SDL_EVENTS_DISABLED |
| | | event.type = SDL_JOYDEVICEREMOVED; |
| | | SDL_PrivateJoystickRemoved(item->device_instance); |
| | | |
| | | if (SDL_GetEventState(event.type) == SDL_ENABLE) { |
| | | event.jdevice.which = item->device_instance; |
| | | if ( (SDL_EventOK == NULL) || |
| | | (*SDL_EventOK) (SDL_EventOKParam, &event) ) { |
| | | SDL_PushEvent(&event); |
| | | } |
| | | } |
| | | #endif /* !SDL_EVENTS_DISABLED */ |
| | | |
| | | #ifdef DEBUG_JOYSTICK |
| | | SDL_Log("Removed joystick with device_id %d", device_id); |
| | | #endif |
| | | |
| | | SDL_free(item->name); |
| | | SDL_free(item); |
| | | return retval; |
| | | return numjoysticks; |
| | | } |
| | | |
| | | |
| | | int |
| | | SDL_SYS_JoystickInit(void) |
| | | static void ANDROID_JoystickDetect(); |
| | | |
| | | static int |
| | | ANDROID_JoystickInit(void) |
| | | { |
| | | const char *hint; |
| | | SDL_SYS_JoystickDetect(); |
| | | ANDROID_JoystickDetect(); |
| | | |
| | | hint = SDL_GetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK); |
| | | if (!hint || SDL_atoi(hint)) { |
| | | if (SDL_GetHintBoolean(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, SDL_TRUE)) { |
| | | /* Default behavior, accelerometer as joystick */ |
| | | Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, SDL_TRUE, 0, 3, 0, 0); |
| | | Android_AddJoystick(ANDROID_ACCELEROMETER_DEVICE_ID, ANDROID_ACCELEROMETER_NAME, ANDROID_ACCELEROMETER_NAME, 0, 0, SDL_TRUE, 0, 3, 0, 0); |
| | | } |
| | | |
| | | return (numjoysticks); |
| | | return 0; |
| | | |
| | | } |
| | | |
| | | int SDL_SYS_NumJoysticks() |
| | | static int |
| | | ANDROID_JoystickGetCount(void) |
| | | { |
| | | return numjoysticks; |
| | | } |
| | | |
| | | void SDL_SYS_JoystickDetect() |
| | | 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 (SDL_TICKS_PASSED(SDL_GetTicks(), timeout)) { |
| | | if (!timeout || SDL_TICKS_PASSED(SDL_GetTicks(), timeout)) { |
| | | timeout = SDL_GetTicks() + 3000; |
| | | Android_JNI_PollInputDevices(); |
| | | } |
| | | } |
| | | |
| | | SDL_bool SDL_SYS_JoystickNeedsPolling() |
| | | { |
| | | return SDL_TRUE; |
| | | } |
| | | |
| | | static SDL_joylist_item * |
| | |
| | | } |
| | | |
| | | /* Joystick not found, try adding it */ |
| | | SDL_SYS_JoystickDetect(); |
| | | ANDROID_JoystickDetect(); |
| | | |
| | | while (item != NULL) { |
| | | if (item->device_id == device_id) { |
| | |
| | | return NULL; |
| | | } |
| | | |
| | | /* Function to get the device-dependent name of a joystick */ |
| | | const char * |
| | | SDL_SYS_JoystickNameForDeviceIndex(int device_index) |
| | | static const char * |
| | | ANDROID_JoystickGetDeviceName(int device_index) |
| | | { |
| | | return JoystickByDevIndex(device_index)->name; |
| | | } |
| | | |
| | | /* Function to perform the mapping from device index to the instance id for this index */ |
| | | SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index) |
| | | 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; |
| | | } |
| | | |
| | | /* Function to open a joystick for use. |
| | | The joystick to open is specified by the index field of the joystick. |
| | | This should fill the nbuttons and naxes fields of the joystick structure. |
| | | It returns 0, or -1 if there is an error. |
| | | */ |
| | | int |
| | | SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index) |
| | | static int |
| | | ANDROID_JoystickOpen(SDL_Joystick * joystick, int device_index) |
| | | { |
| | | SDL_joylist_item *item = JoystickByDevIndex(device_index); |
| | | |
| | | if (item == NULL ) { |
| | | if (item == NULL) { |
| | | return SDL_SetError("No such device"); |
| | | } |
| | | |
| | |
| | | return (0); |
| | | } |
| | | |
| | | /* Function to determine is this joystick is attached to the system right now */ |
| | | SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick) |
| | | static int |
| | | ANDROID_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms) |
| | | { |
| | | return !joystick->closed && (joystick->hwdata != NULL); |
| | | return SDL_Unsupported(); |
| | | } |
| | | |
| | | void |
| | | SDL_SYS_JoystickUpdate(SDL_Joystick * joystick) |
| | | static void |
| | | ANDROID_JoystickUpdate(SDL_Joystick * joystick) |
| | | { |
| | | int i; |
| | | Sint16 value; |
| | | float values[3]; |
| | | SDL_joylist_item *item = SDL_joylist; |
| | | SDL_joylist_item *item = (SDL_joylist_item *) joystick->hwdata; |
| | | |
| | | while (item) { |
| | | if (item->is_accelerometer) { |
| | | if (item->joystick) { |
| | | if (Android_JNI_GetAccelerometerValues(values)) { |
| | | for ( i = 0; i < 3; i++ ) { |
| | | value = (Sint16)(values[i] * 32767.0f); |
| | | SDL_PrivateJoystickAxis(item->joystick, i, value); |
| | | } |
| | | 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); |
| | | } |
| | | break; |
| | | } |
| | | item = item->next; |
| | | } |
| | | } |
| | | |
| | | /* Function to close a joystick after use */ |
| | | void |
| | | SDL_SYS_JoystickClose(SDL_Joystick * joystick) |
| | | static void |
| | | ANDROID_JoystickClose(SDL_Joystick * joystick) |
| | | { |
| | | if (joystick->hwdata) { |
| | | ((SDL_joylist_item*)joystick->hwdata)->joystick = NULL; |
| | | joystick->hwdata = NULL; |
| | | SDL_joylist_item *item = (SDL_joylist_item *) joystick->hwdata; |
| | | if (item) { |
| | | item->joystick = NULL; |
| | | } |
| | | joystick->closed = 1; |
| | | } |
| | | |
| | | /* Function to perform any system-specific joystick related cleanup */ |
| | | void |
| | | SDL_SYS_JoystickQuit(void) |
| | | 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; |
| | | |
| | |
| | | SDL_joylist = SDL_joylist_tail = NULL; |
| | | |
| | | numjoysticks = 0; |
| | | instance_counter = 0; |
| | | #endif /* 0 */ |
| | | } |
| | | |
| | | SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index ) |
| | | SDL_JoystickDriver SDL_ANDROID_JoystickDriver = |
| | | { |
| | | return JoystickByDevIndex(device_index)->guid; |
| | | } |
| | | |
| | | SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick) |
| | | { |
| | | SDL_JoystickGUID guid; |
| | | |
| | | if (joystick->hwdata != NULL) { |
| | | return ((SDL_joylist_item*)joystick->hwdata)->guid; |
| | | } |
| | | |
| | | SDL_zero(guid); |
| | | return guid; |
| | | } |
| | | 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 */ |
| | | |