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new OST implementation for road viaducts#529

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TarkusSC4 merged 6 commits into
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onslope-viaducts
Aug 31, 2025
Merged

new OST implementation for road viaducts#529
TarkusSC4 merged 6 commits into
stagingfrom
onslope-viaducts

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@memo33

@memo33 memo33 commented Aug 12, 2025

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This replaces the existing FLEX OST piece for the viaducts by a new implementation similar to the RHW implementation, allowing networks to be fully dragged through the onslope transition.

For this purpose, each network (Road, OWR, Avenue) gets its own OST piece (L1 and L2). The previous FLEX piece is deactivated. The RUL2 code is replaced by metarules. The alt-viaducts are left unchanged.

Things that don't work anymore (or only on one side of the OST piece):

  • FLT starter piece directly adjacent to the OST
  • SPUI directly adjacent to the OST
    The workaround is to use a 1-tile gap or alternatively, in case of the Avenue FTL starter, place it on the other side of the OST.

Conversely, many tight adjacency situations that didn't work before, or weren't stable, are functional now, so I think it's an acceptable compromise (until a DLL-fix for the slope tolerance is found). For example, this works now:
2025-08-12_17 39 13

@TarkusSC4 TarkusSC4 merged commit 86f36ee into staging Aug 31, 2025
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@memo33 memo33 deleted the onslope-viaducts branch September 1, 2025 18:04
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2 participants