Project Zomboid Copy map_sand.bin To Another Save

project-zomboid-b42-copy-sandbox-settings.py

import shutil
from pathlib import Path

# ============================================================
# CONFIGURATION
# ============================================================

SAVES_DIR = Path(r'C:\Users\a\Zomboid\Saves\Sandbox')


# ============================================================
# SCRIPT
# ============================================================


def main():
    print('Project Zomboid B42 - Copy Sandbox Settings')
    print('=' * 60)
    print()

    if not SAVES_DIR.exists():
        print('ERROR: Saves directory not found:')
        print(SAVES_DIR)
        return

    # Find save directories
    saves = sorted(
        [p for p in SAVES_DIR.iterdir() if p.is_dir()], key=lambda p: p.name
    )

    if not saves:
        print('No saves found.')
        return

    print('Available saves:')
    print()

    for i, save in enumerate(saves, 1):
        print(f'  [{i}] {save.name}')

    print()

    # Source save
    while True:
        try:
            source_num = int(input('Select NEW save (source): '))

            if 1 <= source_num <= len(saves):
                break

        except ValueError:
            pass

        print('Invalid selection.')

    source = saves[source_num - 1]

    # Destination save
    while True:
        try:
            destination_num = int(input('Select OLD save (destination): '))

            if 1 <= destination_num <= len(saves):
                break

        except ValueError:
            pass

        print('Invalid selection.')

    destination = saves[destination_num - 1]

    print()
    print('Source      :', source.name)
    print('Destination :', destination.name)
    print()

    if source == destination:
        print('ERROR: Source and destination are the same save.')
        return

    source_file = source / 'map_sand.bin'
    destination_file = destination / 'map_sand.bin'

    if not source_file.exists():
        print('ERROR: Source map_sand.bin does not exist.')
        print(source_file)
        return

    if not destination_file.exists():
        print('ERROR: Destination map_sand.bin does not exist.')
        print(destination_file)
        return

    # Backup destination before replacing it
    backup_file = destination / 'map_sand.bin.before_copy'

    print('Creating backup:')
    print(' ', backup_file)

    shutil.copy2(destination_file, backup_file)

    # Copy generated sandbox file
    shutil.copy2(source_file, destination_file)

    print()
    print('SUCCESS')
    print('=' * 60)
    print('Copied:')
    print(f'  {source_file}')
    print()
    print('To:')
    print(f'  {destination_file}')
    print()
    print('Original destination backed up as:')
    print(f'  {backup_file}')
    print()
    print('You can now load the destination save.')


if __name__ == '__main__':
    main()