private async Task UpdateTerrain()
{
if (!updatingTerrain)
{
var newPlayerChunk = config.GetChunkIndexAt(player.position);
if (!newPlayerChunk.Equals(playerCurrentChunk))
{
var newCurrentChunks = CalculateChunksAround(newPlayerChunk);
var chunksToDestroy = currentChunks.Except(newCurrentChunks);
var chunksToCreate = newCurrentChunks.Except(currentChunks);
chunksPool.Deactivate(chunksToDestroy);
updatingTerrain = true;
await GenerateChunks(chunksToCreate)
.ContinueWith(_ =>
{
currentChunks.Clear();
currentChunks.UnionWith(newCurrentChunks);
playerCurrentChunk = newPlayerChunk;
updatingTerrain = false;
});
}
}
}
private TerrainBlock GetBlockAt(Vector3 pointInWorld, out TerrainChunk chunk)
{
var chunkIndex = config.GetChunkIndexAt(pointInWorld);
chunk = chunkGenerator.GetOrGenerateEmpty(chunkIndex, chunksParent);
var blockLocalIndex = chunk.GetBlockLocalIndexAt(pointInWorld);
return(chunk.GetBlock(blockLocalIndex));
}