xbmc/input/joysticks/JoystickTranslator.cpp

   1 /*
   2  *      Copyright (C) 2015-2016 Team Kodi
   3  *      http://kodi.tv
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This Program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this Program; see the file COPYING.  If not, see
  17  *  <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "JoystickTranslator.h"
  22
  23 using namespace JOYSTICK;
  24
  25 const char* CJoystickTranslator::HatStateToString(HAT_STATE state)
  26 {
  27   switch (state)
  28   {
  29     case HAT_STATE::UP:        return "UP";
  30     case HAT_STATE::DOWN:      return "DOWN";
  31     case HAT_STATE::RIGHT:     return "RIGHT";
  32     case HAT_STATE::LEFT:      return "LEFT";
  33     case HAT_STATE::RIGHTUP:   return "UP RIGHT";
  34     case HAT_STATE::RIGHTDOWN: return "DOWN RIGHT";
  35     case HAT_STATE::LEFTUP:    return "UP LEFT";
  36     case HAT_STATE::LEFTDOWN:  return "DOWN LEFT";
  37     case HAT_STATE::UNPRESSED:
  38     default:
  39       break;
  40   }
  41
  42   return "RELEASED";
  43 }
  44
  45 SEMIAXIS_DIRECTION CJoystickTranslator::PositionToSemiAxisDirection(float position)
  46 {
  47   if      (position > 0) return SEMIAXIS_DIRECTION::POSITIVE;
  48   else if (position < 0) return SEMIAXIS_DIRECTION::NEGATIVE;
  49
  50   return SEMIAXIS_DIRECTION::ZERO;
  51 }
  52
  53 ANALOG_STICK_DIRECTION CJoystickTranslator::VectorToAnalogStickDirection(float x, float y)
  54 {
  55   if      (y >= x && y >  -x) return ANALOG_STICK_DIRECTION::UP;
  56   else if (y <  x && y >= -x) return ANALOG_STICK_DIRECTION::RIGHT;
  57   else if (y <= x && y <  -x) return ANALOG_STICK_DIRECTION::DOWN;
  58   else if (y >  x && y <= -x) return ANALOG_STICK_DIRECTION::LEFT;
  59
  60   return ANALOG_STICK_DIRECTION::UNKNOWN;
  61 }