private TerrainChunk CreateNewChunk(Vector3Int mapPosition)
{
GameObject go = Instantiate(ChunkPrefab);
go.hideFlags = HideFlags.DontSave;
TerrainChunk chunk = go.GetComponent <TerrainChunk>();
chunk.transform.parent = Generator.Output;
chunk.Provider = this;
go.name = "Disabled";
go.SetActive(false);
return(chunk);
}
private TerrainChunk CreateChunk(Vector3Int mapPosition)
{
if (freeChunkQueue.Count > 0)
{
var chunk = freeChunkQueue.Dequeue();
chunk.Setup(mapPosition);
chunks.Add(mapPosition, chunk);
return(chunk);
}
else
{
TerrainChunk chunk = CreateNewChunk(mapPosition);
chunks.Add(mapPosition, chunk);
return(chunk);
}
}
private void Update()
{
Vector3Int caddyPosition = GetCameraChunkPosition();
if (!chunks.ContainsKey(caddyPosition))
{
chunkQueue.Enqueue(caddyPosition);
}
Vector3Int top = caddyPosition,
bottom = caddyPosition,
left = caddyPosition,
right = caddyPosition,
topLeft = caddyPosition,
topRight = caddyPosition,
bottomLeft = caddyPosition,
bottomRight = caddyPosition;
top.y += 1;
bottom.y -= 1;
left.x -= 1;
right.x += 1;
topLeft.x -= 1;
topLeft.y += 1;
topRight.x += 1;
topRight.y += 1;
bottomLeft.x -= 1;
bottomLeft.y -= 1;
bottomRight.x += 1;
bottomRight.y -= 1;
if (!chunks.ContainsKey(top))
{
chunkQueue.Enqueue(top);
}
if (!chunks.ContainsKey(bottom))
{
chunkQueue.Enqueue(bottom);
}
if (!chunks.ContainsKey(left))
{
chunkQueue.Enqueue(left);
}
if (!chunks.ContainsKey(right))
{
chunkQueue.Enqueue(right);
}
if (!chunks.ContainsKey(topLeft))
{
chunkQueue.Enqueue(topLeft);
}
if (!chunks.ContainsKey(topRight))
{
chunkQueue.Enqueue(topRight);
}
if (!chunks.ContainsKey(bottomLeft))
{
chunkQueue.Enqueue(bottomLeft);
}
if (!chunks.ContainsKey(bottomRight))
{
chunkQueue.Enqueue(bottomRight);
}
while (chunkQueue.Count > 0)
{
CreateChunk(chunkQueue.Dequeue());
}
while (chunks.Count > Generator.ActiveTilemaps)
{
float farthest = float.MinValue;
TerrainChunk farthestChunk = null;
Vector3Int key = Vector3Int.zero;
foreach (var chunkKV in chunks)
{
float dist;
if ((dist = Vector3Int.Distance(caddyPosition, chunkKV.Key)) > farthest)
{
farthestChunk = chunkKV.Value;
farthest = dist;
key = chunkKV.Key;
}
}
if (farthestChunk != null)
{
farthestChunk.Disable();
freeChunkQueue.Enqueue(farthestChunk);
chunks.Remove(key);
}
}
}
