CleverRaven/Cataclysm-DDA

Overmap coverage test needs to account for overmaps that spawn only in alternate Dimensions

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#84,557 opened on Jan 8, 2026

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<Suggestion / Discussion>Code: TestsHelp WantedMap / Mapgen

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Description

Is your feature request related to a problem? Please describe.

When adding overmaps that only spawn in alternate dimensions (the terrains: "standing_stones_highlands", "highlands" can serve as an example here) you must forcibly add their entries to the overmap_terrain_coverage_whitelist to allow the test to pass.

Effectively this means that we dont check for special spawning errors in alternate dimensions

Solution you would like.

The test is expanded to cover alternate dimensions.

Describe alternatives you have considered.

No response

Additional context

No response

Contributor guide

Research direction
Examine the overmap terrain coverage test to understand how it currently works. Study the system for alternate dimensions and how overmaps spawn there. Devise a way to generate test data for overmaps in alternate dimensions and modify the test to include them.
Tech stack
None
Domain
testing
Issue type
Test
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C++Cataclysm DDA development setup
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30