Action DisplayScreen::getUserAction()

in atari_py/ale_interface/src/common/display_screen.cpp [150:202]

• 49 lines of code
• 37 McCabe index (conditional complexity)

Action DisplayScreen::getUserAction() {
    if (!manual_control_active) {
        return UNDEFINED;
    }
    Action a = PLAYER_A_NOOP;
    poll();
    SDL_PumpEvents();
    Uint8* keymap = SDL_GetKeyState(NULL);
    // Break out of this loop if the 'p' key is pressed
    if (keymap[SDLK_p]) {
      return PLAYER_A_NOOP;
      // Triple Actions
    } else if (keymap[SDLK_UP] && keymap[SDLK_RIGHT] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_UPRIGHTFIRE;
    } else if (keymap[SDLK_UP] && keymap[SDLK_LEFT] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_UPLEFTFIRE;
    } else if (keymap[SDLK_DOWN] && keymap[SDLK_RIGHT] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_DOWNRIGHTFIRE;
    } else if (keymap[SDLK_DOWN] && keymap[SDLK_LEFT] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_DOWNLEFTFIRE;
      // Double Actions
    } else if (keymap[SDLK_UP] && keymap[SDLK_LEFT]) {
      a = PLAYER_A_UPLEFT;
    } else if (keymap[SDLK_UP] && keymap[SDLK_RIGHT]) {
      a = PLAYER_A_UPRIGHT;
    } else if (keymap[SDLK_DOWN] && keymap[SDLK_LEFT]) {
      a = PLAYER_A_DOWNLEFT;
    } else if (keymap[SDLK_DOWN] && keymap[SDLK_RIGHT]) {
      a = PLAYER_A_DOWNRIGHT;
    } else if (keymap[SDLK_UP] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_UPFIRE;
    } else if (keymap[SDLK_DOWN] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_DOWNFIRE;
    } else if (keymap[SDLK_LEFT] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_LEFTFIRE;
    } else if (keymap[SDLK_RIGHT] && keymap[SDLK_SPACE]) {
      a = PLAYER_A_RIGHTFIRE;
      // Single Actions
    } else if (keymap[SDLK_SPACE]) {
      a = PLAYER_A_FIRE;
    } else if (keymap[SDLK_RETURN]) {
      a = PLAYER_A_NOOP;
    } else if (keymap[SDLK_LEFT]) {
      a = PLAYER_A_LEFT;
    } else if (keymap[SDLK_RIGHT]) {
      a = PLAYER_A_RIGHT;
    } else if (keymap[SDLK_UP]) {
      a = PLAYER_A_UP;
    } else if (keymap[SDLK_DOWN]) {
      a = PLAYER_A_DOWN;
    }
    return a;
}