/// <summary>
/// Either generates or reloads chunks coming into view and unloads chunks going out of view.
/// </summary>
private void RegenChunks()
{
int posX = (int)Player.Location.X;
int posY = (int)Player.Location.Y;
var bottomLeft = ScreenToWorld(new Vector3(0, 0, 0));
var topRight = ScreenToWorld(new Vector3(Screen.width, Screen.height, 0));
bool hasNewChunks = false;
List <Chunk> foundChunks = new List <Chunk>();
for (int y = (bottomLeft.Y - Player.ViewDis.Y).Floor(); y < (topRight.Y + Player.ViewDis.Y).Floor(); y++)
{
for (int x = (bottomLeft.X.Floor() - Player.ViewDis.X).Floor(); x < (topRight.X.Floor() + Player.ViewDis.X).Floor(); x++)
{
// If chunk is already loaded, then skip this loop
if (!foundChunks.Contains(x, y))
{
var loaded = Chunks.GetLoaded().GetChunkWithPosition(x, y);
if (loaded != null)
{
foundChunks.Add(loaded);
continue;
}
}
else
{
continue;
}
// Find chunk if exists
var id = new Point((int)Math.Floor(x / 16d), (int)Math.Floor(y / 16d));
//var newChunk = Chunks.GetGenerated().GetChunk(id) ?? new Chunk(id, Generator);
Chunk newChunk;
if (Chunks.GetGenerated().GetChunk(id) != null)
{
newChunk = new Chunk(id, Generator, Chunks.GetGenerated().GetChunk(id).Blocks);
Debug.Log(string.Format("Found generated Chunk ID {0} with {1} blocks.", newChunk.IDStr, newChunk.Blocks.Length.ToString()));
}
else
{
newChunk = new Chunk(id, Generator);
hasNewChunks = true;
Chunks.Generate(newChunk);
}
// Chunk does not already exist, generate a new one.
//if (!newChunk.IsGenerated)
//{
// hasNewChunks = true;
// Chunks.Generate(newChunk);
//}
// Load chunk
Chunks.Load(newChunk, transform);
}
}
if (hasNewChunks)
{
Debug.Log("Current Generated Chunks: " + Chunks.GeneratedCount());
}
// Unload unneeded chunks
List <Chunk> removeChunks = new List <Chunk>();
foreach (var chunk in Chunks.GetLoaded())
{
if (foundChunks.GetChunk(chunk.ID) == null)
{
removeChunks.Add(chunk);
}
}
Chunks.UnloadAll(removeChunks);
_current = Chunks.GetLoaded().GetContains(new Point(posX, posY));
Chunks.GetLoaded().UpdateAll();
}
