Auto clicker for Starbound during the Steam summer sale. Works in the background, simply launch Starbound, spawn sodas and you're good to go.

Program.cs

using System;
using System.Diagnostics;
using System.Linq;
using System.Runtime.InteropServices;
using System.Threading;

namespace ConsoleClicker
{
    class Program
    {
        public const int WM_LBUTTONDOWN = 0x201;
        public const int WM_LBUTTONUP = 0x202;

        [DllImport("user32.dll")]
        public static extern int SendMessage(int hWnd, int Msg, int wParam, int lParam);

        static void Main(string[] args)
        {
            var starbound =
                Process
                    .GetProcesses()
                    .Where(p => p.ProcessName == "starbound")
                    .FirstOrDefault();

            if (starbound == null)
            {
                Console.WriteLine("couldn't find starbound.exe, exiting");
                Environment.Exit(1);
                return;
            }

            var starboundWindowHandle = starbound.MainWindowHandle.ToInt32();
            // 70ms seems to be the sweet spot on my machine
            // you can try to go lower though
            var msBetweenClicks = 70;
            var msBetweenDownAndUp = 1;

            while (true)
            {
                SendMessage(starboundWindowHandle, WM_LBUTTONDOWN, 1, 0);
                Thread.Sleep(msBetweenDownAndUp);
                SendMessage(starboundWindowHandle, WM_LBUTTONUP, 0, 0);
                Thread.Sleep(msBetweenClicks);
            }
        }
    }
}