Method ChooseOceanFloorPattern

src/Generating/DistortedHeightmap.cpp:911–933

const cDistortedHeightmap::sBlockInfo * cDistortedHeightmap::ChooseOceanFloorPattern(int a_RelX, int a_RelZ)
{
	// Frequencies for the ocean floor selecting noise:
	const NOISE_DATATYPE FrequencyX = 3;
	const NOISE_DATATYPE FrequencyZ = 3;

	// Select the ocean-floor pattern to use:
	NOISE_DATATYPE NoiseX = ((NOISE_DATATYPE)(m_CurChunkX * cChunkDef::Width + a_RelX)) / FrequencyX;
	NOISE_DATATYPE NoiseY = ((NOISE_DATATYPE)(m_CurChunkZ * cChunkDef::Width + a_RelZ)) / FrequencyZ;
	NOISE_DATATYPE Val = m_OceanFloorSelect.CubicNoise2D(NoiseX, NoiseY);
	if (Val < -0.95)
	{
		return patOFClay.Get();
	}
	else if (Val < 0)
	{
		return patOFSand.Get();
	}
	else
	{
		return patDirt.Get();
	}
}