private void Update()
{
int3 newPlayerCoordinate = GetPlayerCoordinate();
if (!newPlayerCoordinate.Equals(_lastGenerationCoordinate))
{
MoveVoxelData(_lastGenerationCoordinate, newPlayerCoordinate);
var newlyFreedCoordinates = voxelWorld.ChunkStore.GetChunkCoordinatesOutsideOfRange(newPlayerCoordinate, renderDistance);
int3 renderSize = new int3(renderDistance * 2 + 1);
int3 oldPos = _lastGenerationCoordinate - new int3(renderDistance);
BoundsInt oldCoords = new BoundsInt(oldPos.ToVectorInt(), renderSize.ToVectorInt());
int3 newPos = newPlayerCoordinate - new int3(renderDistance);
BoundsInt newCoords = new BoundsInt(newPos.ToVectorInt(), renderSize.ToVectorInt());
int3[] coordinatesThatNeedChunks = CoordinateUtilities.GetCoordinatesThatNeedChunks(oldCoords, newCoords);
int i = 0;
foreach (int3 source in newlyFreedCoordinates)
{
int3 target = coordinatesThatNeedChunks[i];
// Move chunk gameobjects
voxelWorld.ChunkStore.MoveChunk(source, target);
// Move colors and generate new
voxelWorld.VoxelColorStore.MoveChunk(source, target);
chunkProvider.AddChunkToGenerationQueue(target);
i++;
}
_lastGenerationCoordinate = newPlayerCoordinate;
}
}
/// <summary>
/// Moves all of the voxel data that existed when the player was at the coordinate <paramref name="playerFromCoordinate"/> to the coordinates that don't yet have data but should have when the player is at coordinate <paramref name="playerToCoordinate"/>
/// </summary>
/// <param name="playerFromCoordinate">The old coordinate of the player</param>
/// <param name="playerToCoordinate">The new coordinate of the player</param>
private void MoveVoxelData(int3 playerFromCoordinate, int3 playerToCoordinate)
{
int range = renderDistance + loadingBufferSize;
int3 renderSize = new int3(range * 2 + 1);
int3 oldPos = playerFromCoordinate - new int3(range);
BoundsInt oldCoords = new BoundsInt(oldPos.ToVectorInt(), renderSize.ToVectorInt());
int3 newPos = playerToCoordinate - new int3(range);
BoundsInt newCoords = new BoundsInt(newPos.ToVectorInt(), renderSize.ToVectorInt());
int3[] coordinatesThatNeedData = CoordinateUtilities.GetCoordinatesThatNeedChunks(oldCoords, newCoords);
var newlyFreedCoordinates = voxelWorld.VoxelDataStore.GetChunkCoordinatesOutsideOfRange(playerToCoordinate, range);
int i = 0;
foreach (int3 freeCoordinate in newlyFreedCoordinates)
{
var targetCoordinate = coordinatesThatNeedData[i];
voxelWorld.VoxelDataStore.MoveChunk(freeCoordinate, targetCoordinate);
i++;
}
}
