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Fix #10257: Incorrect wire position on sloped bridge heads. (#10258)

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This commit is contained in:
PeterN
2022-12-19 20:16:26 +00:00
committed by GitHub
parent 2012998563
commit dde15a403c
2 changed files with 12 additions and 9 deletions
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5
src/elrail.cpp
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@@ -485,10 +485,11 @@ static void DrawRailCatenaryRailway(const TileInfo *ti)
/*
* The "wire"-sprite position is inside the tile, i.e. 0 <= sss->?_offset < TILE_SIZE.
* Therefore it is safe to use GetSlopePixelZ() for the elevation.
* Also note that the result of GetSlopePixelZ() is very special for bridge-ramps.
* Also note that the result of GetSlopePixelZ() is very special for bridge-ramps, so we round the result up or
* down to the nearest full height change.
*/
AddSortableSpriteToDraw(wire_base + sss->image_offset, PAL_NONE, ti->x + sss->x_offset, ti->y + sss->y_offset,
sss->x_size, sss->y_size, sss->z_size, GetSlopePixelZ(ti->x + sss->x_offset, ti->y + sss->y_offset) + sss->z_offset,
sss->x_size, sss->y_size, sss->z_size, (GetSlopePixelZ(ti->x + sss->x_offset, ti->y + sss->y_offset) + 4) / 8 * 8 + sss->z_offset,
IsTransparencySet(TO_CATENARY));
}
}