/// <summary>
/// Generates a block for a given position.
/// </summary>
/// <param name="pos">The block position.</param>
/// <returns>ID of generated block at given position.</returns>
public static Atlas.ID GenerateBlock(BlockPos pos)
{
int x = pos.GetWorldX();
int y = pos.GetWorldY();
int z = pos.GetWorldZ();
DataColumn column = GetColumn(pos.chunkPos);
// Topology
float stone = column.GetSurface(x, z);
float dirt = 3;
if (y <= stone)
{
// Caves
float caves = SimplexNoise(x, y * 2, z, 40, 12, 1);
caves += SimplexNoise(x, y, z, 30, 8, 0);
caves += SimplexNoise(x, y, z, 10, 4, 0);
if (caves > 16)
{
return(Atlas.ID.Air); // Generating caves
}
// Underground ores
float coal = SimplexNoise(x, y, z, 20, 20, 0);
if (coal > 18)
{
return(Atlas.ID.Coal);
}
return(Atlas.ID.Stone); // Stone layer
}
else if (y <= stone + dirt)
{
return(Atlas.ID.Dirt); // Dirt cover
}
else if (y <= stone + dirt + 1)
{
return(Atlas.ID.Grass); // Grass cover
}
else
{
return(Atlas.ID.Air); // Open Air
}
}