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Create landSlopeFitsUnderTrack() function

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Gymnasiast
2025-11-29 13:37:29 +01:00
parent 6aadcd3513
commit 530fc8fa59
1 changed files with 24 additions and 15 deletions
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39
src/openrct2/world/ConstructionClearance.cpp
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@@ -88,6 +88,29 @@ int32_t MapPlaceNonSceneryClearFunc(TileElement** tile_element, const CoordsXY&
return MapPlaceClearFunc(tile_element, coords, flags, price, /*is_scenery=*/false); return MapPlaceClearFunc(tile_element, coords, flags, price, /*is_scenery=*/false);
} }
static bool landSlopeFitsUnderTrack(int32_t baseZ, uint8_t slope, const TrackElement& trackElement)
{
const auto [slopeNorthZ, slopeEastZ, slopeSouthZ, slopeWestZ] = GetSlopeCornerHeights(baseZ, slope);
const TrackElemType trackElemType = trackElement.GetTrackType();
const auto& ted = OpenRCT2::TrackMetaData::GetTrackElementDescriptor(trackElemType);
const uint8_t sequenceIndex = trackElemType == TrackElemType::Maze ? 0 : trackElement.GetSequenceIndex();
const auto& trackClearances = ted.sequences[sequenceIndex].clearance;
const auto trackQuarters = trackClearances.quarterTile.Rotate(trackElement.GetDirection());
const auto trackQuarterHeights = trackQuarters.GetQuarterHeights(trackElement.GetBaseZ());
const uint8_t trackOccupiedQuarters = trackQuarters.GetBaseQuarterOccupied();
if ((!(trackOccupiedQuarters & 0b0001) || slopeNorthZ <= trackQuarterHeights.north)
&& (!(trackOccupiedQuarters & 0b0010) || slopeEastZ <= trackQuarterHeights.east)
&& (!(trackOccupiedQuarters & 0b0100) || slopeSouthZ <= trackQuarterHeights.south)
&& (!(trackOccupiedQuarters & 0b1000) || slopeWestZ <= trackQuarterHeights.west))
{
return true;
}
return false;
}
static bool MapLoc68BABCShouldContinue( static bool MapLoc68BABCShouldContinue(
TileElement** tileElementPtr, const CoordsXYRangedZ& pos, CLEAR_FUNC clearFunc, const uint8_t flags, money64& price, TileElement** tileElementPtr, const CoordsXYRangedZ& pos, CLEAR_FUNC clearFunc, const uint8_t flags, money64& price,
const CreateCrossingMode crossingMode, const bool canBuildCrossing, const uint8_t slope) const CreateCrossingMode crossingMode, const bool canBuildCrossing, const uint8_t slope)
@@ -104,21 +127,7 @@ static bool MapLoc68BABCShouldContinue(
if (slope != kTileSlopeFlat && tileElement->GetType() == TileElementType::Track) if (slope != kTileSlopeFlat && tileElement->GetType() == TileElementType::Track)
{ {
const auto [slopeNorthZ, slopeEastZ, slopeSouthZ, slopeWestZ] = GetSlopeCornerHeights(pos.baseZ, slope); if (landSlopeFitsUnderTrack(pos.baseZ, slope, *tileElement->AsTrack()))
const TrackElement* const trackElement = tileElement->AsTrack();
const TrackElemType trackElemType = trackElement->GetTrackType();
const auto& ted = OpenRCT2::TrackMetaData::GetTrackElementDescriptor(trackElemType);
const uint8_t sequenceIndex = trackElemType == TrackElemType::Maze ? 0 : trackElement->GetSequenceIndex();
const auto& trackClearances = ted.sequences[sequenceIndex].clearance;
const auto trackQuarters = trackClearances.quarterTile.Rotate(trackElement->GetDirection());
const auto trackQuarterHeights = trackQuarters.GetQuarterHeights(trackElement->GetBaseZ());
const uint8_t trackOccupiedQuarters = trackQuarters.GetBaseQuarterOccupied();
if ((!(trackOccupiedQuarters & 0b0001) || slopeNorthZ <= trackQuarterHeights.north)
&& (!(trackOccupiedQuarters & 0b0010) || slopeEastZ <= trackQuarterHeights.east)
&& (!(trackOccupiedQuarters & 0b0100) || slopeSouthZ <= trackQuarterHeights.south)
&& (!(trackOccupiedQuarters & 0b1000) || slopeWestZ <= trackQuarterHeights.west))
{ {
return true; return true;
} }