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 MyCompositePrecomputedOreDeposit(MyCsgShapeBase shape, string path, MyCompositeOrePlanetDeposit oresDeposits, MyCsgShapePrecomputed planetShape) :
base(shape, null)
{
m_planetShape = planetShape;
m_oreDeposits = oresDeposits;
m_file = new MemoryMappedFile[MyCsgPrecomputedHelpres.NUM_MAPS];
m_reader = new MemoryMappedViewAccessor[MyCsgPrecomputedHelpres.NUM_MAPS];
for (int i = 0; i < MyCsgPrecomputedHelpres.NUM_MAPS; ++i)
{
string name = null;
MyCsgPrecomputedHelpres.GetNameForFace(i, ref name);
name = Path.Combine(path, name + "_material.bin");
FileInfo fi = new FileInfo(name);
int length = (int)fi.Length;
m_file[i] = MemoryMappedFile.CreateFromFile(name, FileMode.Open);
m_reader[i] = m_file[i].CreateViewAccessor(0, length);
m_reader[i].Read(0, out m_resolution);
}
}
