IEnumerator GenChunks()
{
chunks = new CVM_Chunk[RadCount(radius)];
instMap = new Dictionary <Vector2Int, CombinedVoxelMesh>(chunks.Length);
voxelMap = new Dictionary <Vector2Int, Voxel[]>(chunks.Length);
Vector3Int chunkSize = chunkPrefab.GetComponent <CombinedVoxelMesh>().settings.size;
csx = chunkSize.x;
csy = chunkSize.y;
csz = chunkSize.z;
viewPos = GetViewpos();
posStack = new Stack <Vector2Int>(chunks.Length);
int i = 0;
for (float y = 0.5f - radius, rsq = (radius + bias) * (radius + bias); y < radius; y++)
{
for (float x = 0.5f - radius; x < radius; x++)
{
if (x * x + y * y <= rsq)
{
Vector2Int xz = viewPos + new Vector2Int((int)(x - 0.5f), (int)(y - 0.5f));
GameObject o = Instantiate(chunkPrefab, new Vector3(xz.x * chunkSize.x, 0f, xz.y * chunkSize.z), Quaternion.identity, transform);
CombinedVoxelMesh CVM = o.GetComponent <CombinedVoxelMesh>();
chunks[i++] = new CVM_Chunk(xz, viewPos, CVM);
instMap[xz] = CVM;
voxelMap[xz] = CVM.voxels;
o.name = $"Chunk {i}";
if (i % 256 == 0)
{
print($"{i} Chunks Generated");
}
yield return(null);
}
}
}
print($"{i} Chunks Generated");
generated = true;
}
IEnumerator UpdateChunks(Vector2Int vpos, int msLimit = 5)
{
viewPos = vpos;
if (coro != null)
{
StopCoroutine(coro);
coro = null;
}
sw.Restart();
for (float y = 0.5f - radius, rsq = (radius + bias) * (radius + bias); y < radius; y++)
{
for (float x = 0.5f - radius; x < radius; x++)
{
if (x * x + y * y <= rsq)
{
Vector2Int p = vpos + new Vector2Int((int)(x - 0.5f), (int)(y - 0.5f));
if (!instMap.ContainsKey(p))
{
posStack.Push(p);
}
}
}
}
for (int i = 0; i < chunks.Length; i++)
{
CVM_Chunk c = chunks[i];
Vector2 dif = c.pos + new Vector2(0.5f, 0.5f) - vpos;
if (dif.x * dif.x + dif.y * dif.y > (radius + bias) * (radius + bias))
{
Vector2Int nPos = posStack.Pop();
if (instMap.ContainsKey(nPos))
{
print("taken!");
}
CombinedVoxelMesh cvm = c.CVM;
instMap.Remove(c.pos);
instMap[nPos] = cvm;
chunks[i].pos = nPos;
cvm.gameObject.transform.position = new Vector3(nPos.x * csx, 0f, nPos.y * csz);
if (voxelMap.ContainsKey(nPos))
{
cvm.voxels = voxelMap[nPos];
}
else
{
cvm.voxels = voxelMap[nPos] = new Voxel[cvm.voxels.Length];
cvm.FillVoxels();
}
cvm.Regenerate();
if (sw.ElapsedMilliseconds >= msLimit)
{
sw.Restart();
yield return(null);
}
}
chunks[i].center = vpos;
}
posStack.Clear();
/*for (int i = 0; i < chunks.Length; i++) {
* CVM_Chunk c = chunks[i];
* Vector2 dif = c.pos + new Vector2(0.5f, 0.5f) - vpos;
*
* if (dif.x * dif.x + dif.y * dif.y > (radius + bias) * (radius + bias)) {
* Vector2Int nPos = c.center + vpos - c.pos - new Vector2Int(1, 1);
*
* if (instMap.ContainsKey(nPos)) print("taken!");
*
* CombinedVoxelMesh cvm = c.CVM;
* instMap.Remove(c.pos);
* instMap[nPos] = cvm;
* chunks[i].pos = nPos;
*
* cvm.gameObject.transform.position = new Vector3(nPos.x * csx, 0f, nPos.y * csz);
*
* if (voxelMap.ContainsKey(nPos))
* cvm.voxels = voxelMap[nPos];
* else {
* cvm.voxels = voxelMap[nPos] = new Voxel[cvm.voxels.Length];
* cvm.FillVoxels();
* }
* cvm.Regenerate();
*
* if (sw.ElapsedMilliseconds >= msLimit) {
* sw.Restart();
* yield return null;
* }
* }
*
* chunks[i].center = vpos;
* }*/
}