/// <summary>
/// Serialize a chunk.
/// </summary>
/// <param name="chunk">The chunk to serialize.</param>
/// <param name="chunkIndex">The chunk index.</param>
public void SerialiseChunk(Chunk chunk, Position chunkIndex)
{
// NOTE: This should occur in a seperate thread, since terrain serialization isn't high priority.
// However, care should be taken to consider the situation when a terrain is being serialized in another thread
// and then a new deserialization request comes in for that chunk. In this case the deserialization thread
// should block
}
/// <summary>
/// Handles the on-touch behaviour for the component.
/// </summary>
/// <param name="hitPoint">The point at which the component was touched in world coordinates.</param>
public override void ProcessTouch(Vector3 hitPoint)
{
var position = new Position((int)Math.Floor(hitPoint.x), (int)Math.Floor(hitPoint.y));
var offset = new Vector2(Math.Abs(hitPoint.x - position.X), Math.Abs(hitPoint.y - position.Y));
// Dig at the touched point
this.cTerrain.Mutator.Dig(position, offset);
}
/// <summary>
/// Attempt to deserialise a chunk.
/// </summary>
/// <param name="chunkIndex">The chunk index.</param>
/// <param name="chunk">The deserialised chunk.</param>
/// <returns>True if chunk was deserialised; False if a serialization file does not exist for chunk.</returns>
public bool TryDeserialiseChunk(Position chunkIndex, out Chunk chunk)
{
string chunkFile;
if (!this.chunkFiles.TryGetValue(chunkIndex, out chunkFile))
{
// A chunk file doesn't exist for the given chunk
chunk = null;
return false;
}
// TODO: Deserialize the file
throw new NotImplementedException("Chunk deserialization is not yet implemented.");
}
/// <summary>
/// Run a test for the marching cubes algorithm.
/// </summary>
private static void TestMarchingCubes()
{
var terrain = new VoxelTerrain();
var chunkIndex = new Position(0, 0);
var noiseGenerator = new NoiseGenerator(1, 16, 0.001f, 0.25f);
var voxelGenerator = new ChunkVoxelGenerator(noiseGenerator, 0, 50);
// Load the chunk
var chunkLoader = new ChunkLoader(voxelGenerator);
chunkLoader.LoadChunk(terrain, chunkIndex);
// Generate the mesh
var meshGenerator = new MarchingCubesGenerator(terrain, 7);
meshGenerator.UpdateChunk(chunkIndex);
}
/// <summary>
/// Gets the chunk component with the given index.
/// </summary>
/// <param name="chunkIndex">The chunk index.</param>
/// <returns>The chunk component; Null if it does not exist.</returns>
private ChunkComponent GetChunkComponent(Position chunkIndex)
{
Transform chunkTransform = this.transform.FindChild(TerrainLoaderComponent.GetChunkLabel(chunkIndex));
return chunkTransform != null ? chunkTransform.GetComponent<ChunkComponent>() : null;
}
/// <summary>
/// Check if the chunk at the given index exists and if so update the dictionary to indicate that the chunk's
/// border needs to be regenerated.
/// </summary>
/// <param name="chunkIndex">The chunk index.</param>
/// <param name="neighbour">The border.</param>
/// <param name="borders">The chunk borders that need to have their mesh re-generated.</param>
private void CheckNeighbour(
Position chunkIndex,
ChunkNeighbour neighbour,
Dictionary<Position, ChunkNeighbour> borders)
{
if (this.cTerrain.Terrain.Chunks.ContainsKey(chunkIndex))
{
if (borders.ContainsKey(chunkIndex))
{
borders[chunkIndex] |= neighbour;
}
else
{
borders.Add(chunkIndex, neighbour);
}
}
}
/// <summary>
/// Gets the label for the given chunk index.
/// </summary>
/// <param name="chunkIndex">The chunk index.</param>
/// <returns>The chunk label.</returns>
private static string GetChunkLabel(Position chunkIndex)
{
return string.Format("Chunk[{0},{1}]", chunkIndex.X, chunkIndex.Y);
}
