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Added Windows Xbox controller state packet handling, for completeness.

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This commit is contained in:
Sam Lantinga 2018-08-15 19:53:36 -07:00
parent 63107524f6
commit aad340eb86
1 changed files with 93 additions and 0 deletions
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93
src/joystick/hidapi/SDL_hidapi_xbox360.c
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@ -261,6 +261,99 @@ HIDAPI_DriverXbox360_Rumble(SDL_Joystick *joystick, hid_device *dev, void *conte
return 0; return 0;
} }
#if 0
/* This is the packet format for Xbox 360 and Xbox One controllers on Windows,
however with this interface there is no rumble support, no guide button,
and the left and right triggers are tied together as a single axis.
*/
static void
HIDAPI_DriverXboxOne_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXbox360_Context *ctx, Uint8 *data, int size )
{
Sint16 axis;
if (ctx->last_state[10] != data[10]) {
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[10] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[10] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[10] & 0x04) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[10] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[10] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[10] & 0x20) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[10] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[10] & 0x80) ? SDL_PRESSED : SDL_RELEASED);
}
if (ctx->last_state[11] != data[11]) {
SDL_bool dpad_up = SDL_FALSE;
SDL_bool dpad_down = SDL_FALSE;
SDL_bool dpad_left = SDL_FALSE;
SDL_bool dpad_right = SDL_FALSE;
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[11] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[11] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
switch (data[11] & 0x3C) {
case 4:
dpad_up = SDL_TRUE;
break;
case 8:
dpad_up = SDL_TRUE;
dpad_right = SDL_TRUE;
break;
case 12:
dpad_right = SDL_TRUE;
break;
case 16:
dpad_right = SDL_TRUE;
dpad_down = SDL_TRUE;
break;
case 20:
dpad_down = SDL_TRUE;
break;
case 24:
dpad_left = SDL_TRUE;
dpad_down = SDL_TRUE;
break;
case 28:
dpad_left = SDL_TRUE;
break;
case 32:
dpad_up = SDL_TRUE;
dpad_left = SDL_TRUE;
break;
default:
break;
}
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
}
axis = (int)*(Uint16*)(&data[0]) - 0x8000;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
axis = (int)*(Uint16*)(&data[2]) - 0x8000;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
axis = (int)*(Uint16*)(&data[4]) - 0x8000;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
axis = (int)*(Uint16*)(&data[6]) - 0x8000;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
axis = (data[9] * 257) - 32768;
if (data[9] < 0x80) {
axis = -axis * 2 - 32769;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
} else if (data[9] > 0x80) {
axis = axis * 2 - 32767;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
} else {
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, SDL_MIN_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, SDL_MIN_SINT16);
}
SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state)));
}
#endif /* 0 */
static void static void
HIDAPI_DriverXbox360_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXbox360_Context *ctx, Uint8 *data, int size) HIDAPI_DriverXbox360_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXbox360_Context *ctx, Uint8 *data, int size)
{ {