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of the comma operator
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get information about rail tiles
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shiny new functions and mark some strange constructs with XXX
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if there's a transport route at all under the bridge
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make the only place which still extracted that info diretly use the wrapper
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(the line above already says what's going on)
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instead of again and again
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with similar functionality
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offset once instead of all over the place; also use UpdateSignalsOnSegment() instead of SetSignalsOnBothDir(), because this is sufficient
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under bridges works; also remove an unnecessary local variable
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bridge after removing it. For crossings we can always use .m2 because it is already 0 when not owned by a town.
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removal loop
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comprehensible and add the needed accessors
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Fix r3887
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bridge ramp
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part
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Note: This slightly changes the behavior of GetAnyRoadBits() to only return a road piece for the start of the bridge ramp instead of a full ROAD_[XY]
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road) under bridges
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magic numbers and generic names
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Existing bug: When restoring a road piece which belongs to a town the town index unconditionally gets set to 0
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IsTunnel(), which just checks for a tunnel, but not the tile type as IsTunnelTile() does
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codes instead of using this global variable
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overwritten just a few lines later without being used in between
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generic byte and don't fill arbitrary data into inappropriate types
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Direction to DiagDirection as that's what it really operates on
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DiagDirection and friends
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result and give it a less ambiguous name (IsTunnelInWay)
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and friends
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road pieces
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building a tunnel
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comprehensible
This implementation is also significantly shorter because it removes many redundant checks
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it was just a complicated way of writing GetTileSlope(tile, NULL)
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add consts, reduce indentation level by short-circuit logic, convert if cascades to switch, whitespace, bracing, plus some minor stuff
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- Don't treat non-booleans as booleans
- Reduce variable scope
- Bracing
- Use DeMorgan's law to make conditionals easier to read
- if cascade -> switch
- Replace some magic numbers by symbolic names
- Avoid assignments within other statements
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TileIndex points to a tile on the map
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