Send space to semi-AFK equipment bench in Satisfactory (Satisfactory window does not need to be active)

autocrafter.py

import ctypes
from ctypes import wintypes
import time
import sys

# Windows API constants
WM_KEYDOWN = 0x0100
WM_KEYUP = 0x0101
VK_SPACE = 0x20

# Windows API function prototypes
EnumWindows = ctypes.windll.user32.EnumWindows
EnumWindowsProc = ctypes.WINFUNCTYPE(ctypes.c_bool, ctypes.POINTER(ctypes.c_int), ctypes.POINTER(ctypes.c_int))
GetWindowText = ctypes.windll.user32.GetWindowTextW
GetWindowTextLength = ctypes.windll.user32.GetWindowTextLengthW
IsWindowVisible = ctypes.windll.user32.IsWindowVisible

def find_window(window_title):
    """Find window handle by title."""
    target_window = []
    
    def enum_windows_callback(hwnd, lParam):
        if not IsWindowVisible(hwnd):
            return True
        
        length = GetWindowTextLength(hwnd)
        buff = ctypes.create_unicode_buffer(length + 1)
        GetWindowText(hwnd, buff, length + 1)
        title = buff.value
        
        if window_title.lower() in title.lower():
            target_window.append(hwnd)
            return False
        return True
    
    EnumWindows(EnumWindowsProc(enum_windows_callback), 0)
    return target_window[0] if target_window else None

def send_space_to_window(hwnd):
    """Send spacebar keypress to specific window."""
    ctypes.windll.user32.PostMessageA(hwnd, WM_KEYDOWN, VK_SPACE, 0)

def release_space_to_window(hwnd):
    """Send spacebar key release to specific window."""
    ctypes.windll.user32.PostMessageA(hwnd, WM_KEYUP, VK_SPACE, 0)

def is_key_pressed(key):
    """Check if a key is pressed using GetAsyncKeyState."""
    return bool(ctypes.windll.user32.GetAsyncKeyState(ord(key)) & 0x8000)

def hold_key(window_title):
    """Hold the spacebar down for specified window until q is pressed."""
    # Find the window
    hwnd = find_window(window_title)
    if not hwnd:
        print(f"Could not find window with title containing: {window_title}")
        return

    print(f"Found window: {window_title}")
    print("Starting in 3 seconds...")
    print("Press 'Q' to quit")
    time.sleep(3)

    running = True
    while running:
        if is_key_pressed('Q'):
            running = False
        else:
            send_space_to_window(hwnd)
            time.sleep(0.1)  # Small delay to prevent overwhelming the system
    
    # Make sure to release the key when script ends
    release_space_to_window(hwnd)
    print("Spacebar released")

if __name__ == "__main__":
    window_title = "Satisfactory"
    if len(sys.argv) > 1:
        window_title = sys.argv[1]
    
    hold_key(window_title)