Count how many extra shelters a long route needs so no one is stranded

On the road across the plains there is a hut at the start and one at the end, and a storm in the middle leaves the traveller nowhere to go. Here is how to measure the longest stretch from any point to cover and to get the exact number of places to add, including the ends of the road.

Why this works

Safety is about the worst spot, not the average. A traveller can walk either way, so two shelters cover the ground between them from both sides, and the ends of the route need care because nothing lies beyond them.

When not to use it

Skip it when travellers can make camp anywhere, carry a tent or call for rescue. Shelters become decoration, and forcing a count of them only clutters the road. Spend that effort on supplies or weather rules instead.

In the full entry

• What to build, step by step
• Starting values and the reason for each
• 3 common mistakes and the fix
• A diagram of every state
• 14 lines of example code with 5 checks that pass
• How your AI shows you that it works

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Use the Spielerando entry "Count how many extra shelters a long route needs so no one is stranded" (read_entry shelters-along-a-route-within-reach) in my game. Build it step by step, and show me how you checked that it works.

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