- Update city selection to consider countries.
- Use daytime instead of sunrise for time checks.
- Add per-run generation limit
This commit refactors the weather art generation process to
increase the efficiency. The city selection has been updated to
consider country. Daytime check has been updated to determine
if the city is within the correct local time. A limit is added
to restrict the number of cities processed in a single run.
songtianlun
fa1fc7c21a