The triggers should be expanded out to the full range to match Direct…

…Input behavior. The game controller code will scale them back to 0 - 32767 when it converts the triggers axes.
libsdl-org · Jun 7, 2013 · 68ff282 · 68ff282
1 parent effc779
commit 68ff282
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/joystick/windows/SDL_dxjoystick.c b/src/joystick/windows/SDL_dxjoystick.c
@@ -1499,8 +1499,8 @@ SDL_SYS_JoystickUpdate_XInput(SDL_Joystick * joystick)
         SDL_PrivateJoystickAxis(joystick, 1, (Sint16)(-1*pXInputState->Gamepad.sThumbLY-1) );
         SDL_PrivateJoystickAxis(joystick, 2, (Sint16)pXInputState->Gamepad.sThumbRX );
         SDL_PrivateJoystickAxis(joystick, 3, (Sint16)(-1*pXInputState->Gamepad.sThumbRY-1) );
-        SDL_PrivateJoystickAxis(joystick, 4, (Sint16)((int)pXInputState->Gamepad.bLeftTrigger*32767/255) );
-        SDL_PrivateJoystickAxis(joystick, 5, (Sint16)((int)pXInputState->Gamepad.bRightTrigger*32767/255) );
+        SDL_PrivateJoystickAxis(joystick, 4, (Sint16)(((int)pXInputState->Gamepad.bLeftTrigger*65535/255) - 32768));
+        SDL_PrivateJoystickAxis(joystick, 5, (Sint16)(((int)pXInputState->Gamepad.bRightTrigger*65535/255) - 32768));
 
         if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_UP ) )
             SDL_PrivateJoystickButton(joystick, 0, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP ? SDL_PRESSED :  SDL_RELEASED );