public override MyVoxelMaterialDefinition GetMaterialForPosition(ref Vector3 pos, float lodSize)
{
Vector3 localPosition = pos - Shape.Center();
float lenghtToCenter = localPosition.Length();
if (lenghtToCenter < 0.01)
{
return(null);
}
float distance = m_planetShape.SampleField(ref pos);
if (distance <= MyCsgPrecomputedHelpres.FROZEN_OCEAN_LEVEL && MyFakes.ENABLE_PLANET_FROZEN_SEA)
{
return(MyDefinitionManager.Static.GetVoxelMaterialDefinition("Ice_01"));
}
float originalDistance = m_planetShape.SignedDistanceUnchecked(ref pos, lodSize, null, null);
if (lenghtToCenter <= m_oreDeposits.MinDepth)
{
MyVoxelMaterialDefinition definiton = m_oreDeposits.GetMaterialForPosition(ref pos, lodSize);
if (definiton != null)
{
return(definiton);
}
}
if (originalDistance < -2.0f)
{
return(MyDefinitionManager.Static.GetVoxelMaterialDefinition("Stone_01"));
}
Vector3I samplePos;
Vector2 positon = Vector2.Zero;
MyCsgPrecomputedHelpres.CalculateSamplePosition(ref localPosition, out samplePos, ref positon, m_resolution);
byte materialData;
m_reader[samplePos.X].Read(sizeof(int) + samplePos.Z * m_resolution + samplePos.Y, out materialData);
byte material = (byte)(materialData & 127);
byte spawns = (byte)(materialData & 128);
var voxelMaterial = MyDefinitionManager.Static.GetVoxelMaterialDefinition(material);
if (voxelMaterial != null)
{
voxelMaterial.SpawnsFlora = spawns == 0 ? false : true;
}
return(voxelMaterial);
}
public override MyVoxelMaterialDefinition GetMaterialForPosition(ref Vector3 pos, float lodSize)
{
Vector3 localPosition = pos - Shape.Center();
float lenghtToCenter = localPosition.Length();
if (lenghtToCenter <= m_oreDeposits.MinDepth)
{
MyVoxelMaterialDefinition definiton = m_oreDeposits.GetMaterialForPosition(ref pos, lodSize);
if (definiton != null)
{
return(definiton);
}
}
float angleToPole = Vector3.Dot(localPosition / lenghtToCenter, Vector3.Up);
int nearestMaterial = -1;
float minDistance = float.MaxValue;
float noiseValue = (float)(0.5 * m_noise.GetValue(pos.X, pos.Y, pos.Z) + 0.5);
for (int i = 0; i < m_materialLayers.Length; ++i)
{
float heightStartDistance = m_materialLayers[i].HeightStartDeviation * noiseValue;
float angleStartDistance = m_materialLayers[i].AngleStartDeviation * noiseValue;
float heightEndDistance = m_materialLayers[i].HeightEndDeviation * noiseValue;
float angleEndDistance = m_materialLayers[i].AngleEndDeviation * noiseValue;
if (lenghtToCenter >= (m_materialLayers[i].StartHeight - lodSize - heightStartDistance) && (m_materialLayers[i].EndHeight + heightEndDistance) >= lenghtToCenter &&
angleToPole > m_materialLayers[i].StartAngle - angleStartDistance && m_materialLayers[i].EndAngle + angleEndDistance > angleToPole)
{
float distanceTolayer = Math.Abs(lenghtToCenter - m_materialLayers[i].StartHeight + heightStartDistance);
if (minDistance > distanceTolayer)
{
minDistance = distanceTolayer;
nearestMaterial = i;
}
}
}
return(nearestMaterial == -1 ? null : m_materialLayers[nearestMaterial].MaterialDefinition);
}