public static Vector3[] Positions4(string worldseed, Vector3i chunk, int maxsize)
{
Printer.Log(55, "ZChunk.Positions4 start", worldseed, chunk, maxsize);
int len00 = Hashes.Rand(1, maxsize, String.Format("{0}{1}", chunk.x, chunk.z));
int len10 = Hashes.Rand(1, maxsize, String.Format("{0}{1}", chunk.x + 1, chunk.z));
int len01 = Hashes.Rand(1, maxsize, String.Format("{0}{1}", chunk.x, chunk.z + 1));
int len11 = Hashes.Rand(1, maxsize, String.Format("{0}{1}", chunk.x + 1, chunk.z + 1));
List <Vector3> pos = new List <Vector3>();
for (int index = 0; index < maxsize; index++) // todo : 4 boolean to optimize test and break
{
if (index < len00)
{
pos.Append(ZChunk.Position(Zombiome.worldSeed, chunk, index));
}
if (index < len10)
{
pos.Append(ZChunk.Position(Zombiome.worldSeed, chunk + new Vector3i(1, 0, 0), index));
}
if (index < len01)
{
pos.Append(ZChunk.Position(Zombiome.worldSeed, chunk + new Vector3i(0, 0, 1), index));
}
if (index < len11)
{
pos.Append(ZChunk.Position(Zombiome.worldSeed, chunk + new Vector3i(1, 0, 1), index));
}
}
Printer.Log(55, "ZChunk.Positions4 OK", pos.Count(), pos);
return(pos.ToArray());
}
public override IEnumerator<Vector3> Get(Vector3 position) {
int maxsize = 10;
Vector3i zchunk = ZChunk.TL4(position);
bool D0 = false; int L0 = ZChunk.Len(zchunk + ZChunk.adjacents[0], maxsize);
bool D1 = false; int L1 = ZChunk.Len(zchunk + ZChunk.adjacents[1], maxsize);
bool D2 = false; int L2 = ZChunk.Len(zchunk + ZChunk.adjacents[2], maxsize);
bool D3 = false; int L3 = ZChunk.Len(zchunk + ZChunk.adjacents[3], maxsize);
for (int step=0; step<maxsize; step++) {
if (! D0 && step > L0) D0 = true;
if (! D0) yield return ZChunk.Position(Zombiome.worldSeed, zchunk + ZChunk.adjacents[0], step);
if (! D1 && step > L1) D1 = true;
if (! D1) yield return ZChunk.Position(Zombiome.worldSeed, zchunk + ZChunk.adjacents[1], step);
if (! D2 && step > L2) D2 = true;
if (! D2) yield return ZChunk.Position(Zombiome.worldSeed, zchunk + ZChunk.adjacents[2], step);
if (! D3 && step > L3) D3 = true;
if (! D3) yield return ZChunk.Position(Zombiome.worldSeed, zchunk + ZChunk.adjacents[3], step);
if (D0 && D1 && D2 && D3) break;
}
}