Function GetSlopePixelZ_Trees

src/tree_cmd.cpp:706–711

static int GetSlopePixelZ_Trees(TileIndex tile, uint x, uint y, bool)
{
	auto [tileh, z] = GetTilePixelSlope(tile);

	return z + GetPartialPixelZ(x & 0xF, y & 0xF, tileh);
}

static Foundation GetFoundation_Trees(TileIndex, Slope)
{