/*
========================================================================

                           D O O M  R e t r o
         The classic, refined DOOM source port. For Windows PC.

========================================================================

  Copyright © 1993-2021 by id Software LLC, a ZeniMax Media company.
  Copyright © 2013-2021 by Brad Harding <mailto:brad@doomretro.com>.

  DOOM Retro is a fork of Chocolate DOOM. For a list of credits, see
  <https://github.com/bradharding/doomretro/wiki/CREDITS>.

  This file is a part of DOOM Retro.

  DOOM Retro is free software: you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation, either version 3 of the License, or (at your
  option) any later version.

  DOOM Retro is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with DOOM Retro. If not, see <https://www.gnu.org/licenses/>.

  DOOM is a registered trademark of id Software LLC, a ZeniMax Media
  company, in the US and/or other countries, and is used without
  permission. All other trademarks are the property of their respective
  holders. DOOM Retro is in no way affiliated with nor endorsed by
  id Software.

========================================================================
*/

#include "SDL.h"

#include "doomdef.h"

//
// I_GetTime
// returns time in 1/35th second tics
//
int I_GetTime(void)
{
    return (SDL_GetTicks() * TICRATE / 1000);
}

//
// Same as I_GetTime(), but returns time in milliseconds
//
int I_GetTimeMS(void)
{
    return SDL_GetTicks();
}

//
// Sleep for a specified number of milliseconds
//
void I_Sleep(int ms)
{
    SDL_Delay(ms);
}

void I_InitTimer(void)
{
    // initialize timer
    SDL_InitSubSystem(SDL_INIT_TIMER);
}

void I_ShutdownTimer(void)
{
    SDL_QuitSubSystem(SDL_INIT_TIMER);
}
