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VariableVince
2ee2fb97e3
## Description: Show factory and defence post radius for ghost structure when placing structures from build bar (unitdisplay). Show when city/port is placed directly over existing railroad, by highlighting the railroad green. The railroad is not highlighted when instead a city/port nearby the ghost structure will be upgraded instead of placing it on the railroad. This works with the existing code in buildableUnits in PlayerImpl: it would already return an empty array [] for overlappingRailroads and for ghostRailPaths when canUpgrade is false. So the old checks for uiState for Canvas2D in BuildPreviewController weren't even needed per se, they followed the same logic as buildableUnits in PlayerImpl already did. Both changes emulate how it worked before the move to WebGL. - OverlappingRailroads now returns TileRefs instead of a railroad ID, and it does so with less allocations than the previous code. It's a determistic outcome, sorted and deduplicated. In doubt about this a bit, because it's better also in case we ever do desync checks using this data, but for the rendering it isn't needed per se and could be more performant without allocations. - Also: Cleanup obsolete Canvas2D rail highlighting state (UIState) that was superseded by GhostPreviewData. ## Please complete the following: - [x] I have added screenshots for all UI updates - [x] I process any text displayed to the user through translateText() and I've added it to the en.json file - [x] I have added relevant tests to the test directory - [x] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: tryout33