sons_of_sol/private_db/ControlMultiplexer.cpp


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#include "sons_of_sol/ControlMultiplexer.hpp"

ControlMultiplexer::ControlMultiplexer() {}

void ControlMultiplexer::onKeyUp(const SDL_KeyboardEvent& evt) {
  std::map<SDLKey, M_MapVal>::iterator itr;
  itr = m_keysym_map.find(evt.keysym.sym);

  if (itr != m_keysym_map.end()) {
    ControlMotionEvent event((*itr).second.type, 0, ControlMotionEvent::BUTTON);
    fireControlEvent(event);
  }
}

void ControlMultiplexer::onKeyDown(const SDL_KeyboardEvent& evt) {
  std::map<SDLKey, M_MapVal>::iterator itr;
  itr = m_keysym_map.find(evt.keysym.sym);

  if (itr != m_keysym_map.end()) {
    ControlMotionEvent event((*itr).second.type, 1 * (*itr).second.multiplier,
                             ControlMotionEvent::BUTTON);
    fireControlEvent(event);
  }
}

void ControlMultiplexer::onMouseMoved(const SDL_MouseMotionEvent& evt) {
  std::map<uint16_t, M_MapVal>::iterator itr;
  /* x direction on mousepad */
  itr = m_joy_axis_map.find(0xFF00);
  const SDL_VideoInfo* info =
      SDL_GetVideoInfo();  //<-- calls SDL_GetVideoInfo();
  int screen_width = info->current_w;
  int screen_height = info->current_h;

  float x_norm = (evt.x - screen_width / 2) / ((float)screen_width / 2.0);
  if (itr != m_joy_axis_map.end()) {
    ControlMotionEvent event(itr->second.type,
                             x_norm * (*itr).second.multiplier,
                             ControlMotionEvent::MOUSE);
    fireControlEvent(event);
  }

  /* y direction */
  float y_norm = (evt.y - screen_height / 2) / ((float)screen_height / 2.0);
  itr = m_joy_axis_map.find(0xFF01);
  if (itr != m_joy_axis_map.end()) {
    ControlMotionEvent event(itr->second.type,
                             y_norm * (*itr).second.multiplier,
                             ControlMotionEvent::MOUSE);
    fireControlEvent(event);
  }
}

void ControlMultiplexer::fireControlEvent(const ControlMotionEvent& evt) {
  std::vector<ControlMotionListener*>::iterator itr;

  for (itr = m_motion_listeners.begin(); itr != m_motion_listeners.end();
       ++itr) {
    (*itr)->onControlMotion(evt);
  }
}