Hello,

I am writing console RPG game. Mainly is prototype, cause I will remake it using SDL2 and OpenGL.

But for now I am planning to stick to ncurses library, for input and rendering in console.

I am using getch() function for input, but it is blocking, so If I have something like bullet objects, it moves only then some input is entered. So I need something like in SDL2 polling events.

Know all I have in input function:

void PlayState::input(Game* game)
{
    game->currentInput = getch(); //blocking input
}

Any help is appreciated. But I prefer to use ncurses for input.

You can use "select()" or (preferably) "epoll()" to see if stdin has data on it before calling "getch()" to process it.

Firstly, thanks for reply. Just one question - will it work only on linux? I am preffering cross-platform solutions, but it may work for now.

The timeout function can be used to set how long getch will wait for input. timeout(0) will make getch() return immediately, and if there was no input the return value is ERR.

This works. I set 100ms timeout, but still rendering looks awful - it clears screen on every call to render(), So I get this flickering, flashing effect.

For ncurses you should use the nodelay function to tell the api to not block on input reads from a given terminal.

http://hughm.cs.ukzn.ac.za/~murrellh/os/notes/ncurses.html#input

Do you use clear(); to clear the screen?

Yes. Thats why its flashing.