/*
 * Copyright (c) 2021, Johnny Richard
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <SDL.h>
#include "controller.h"


void
controller_update(controller_t *self,
                  SDL_Event    *event)
{
  if (event->type == SDL_KEYDOWN) {
    switch (event->key.keysym.sym) {
    case SDLK_UP:
      self->pressed_buttons |= BTN_UP;
      break;
    case SDLK_DOWN:
      self->pressed_buttons |= BTN_DOWN;
      break;
    case SDLK_LEFT:
      self->pressed_buttons |= BTN_LEFT;
      break;
    case SDLK_RIGHT:
      self->pressed_buttons |= BTN_RIGHT;
      break;
    }
  }

  if (event->type == SDL_KEYUP) {
    switch (event->key.keysym.sym) {
    case SDLK_UP:
      self->pressed_buttons ^= BTN_UP;
      break;
    case SDLK_DOWN:
      self->pressed_buttons ^= BTN_DOWN;
      break;
    case SDLK_LEFT:
      self->pressed_buttons ^= BTN_LEFT;
      break;
    case SDLK_RIGHT:
      self->pressed_buttons ^= BTN_RIGHT;
      break;
    }
  }
}

bool
controller_is_up_pressed(controller_t *self)
{
  return self->pressed_buttons & BTN_UP;
}

bool
controller_is_down_pressed(controller_t *self)
{
  return self->pressed_buttons & BTN_DOWN;
}

bool
controller_is_right_pressed(controller_t *self)
{
  return self->pressed_buttons & BTN_RIGHT;
}

bool
controller_is_left_pressed(controller_t *self)
{
  return self->pressed_buttons & BTN_LEFT;
}