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@@ -30,7 +30,7 @@
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if (IsTunnelTile(tile)) return ::GetOtherTunnelEnd(tile);
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uint start_z;
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Slope start_tileh = ::GetTilePixelSlope(tile, &start_z);
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Slope start_tileh = ::GetTileSlope(tile, &start_z);
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DiagDirection direction = ::GetInclinedSlopeDirection(start_tileh);
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if (direction == INVALID_DIAGDIR) return INVALID_TILE;
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@@ -40,7 +40,7 @@
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tile += delta;
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if (!::IsValidTile(tile)) return INVALID_TILE;
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::GetTilePixelSlope(tile, &end_z);
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::GetTileSlope(tile, &end_z);
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} while (start_z != end_z);
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return tile;
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