public ChannelPropagator(VoxelLightPropagator propagator, VoxelLightChannel channel)
{
Propagator = propagator;
Volume = propagator.Volume;
Channel = channel;
_propQueue = new ConcurrentQueue <PropNode>();
_depropQueue = new ConcurrentQueue <DepropNode>();
}
protected override void Process()
{
Input.Wait();
var propagator = new VoxelLightPropagator(Volume);
Parallel.For(0, 7, (i) => {
if (i < 6)
{
CalculateSunlight(Volume, i, propagator[i]);
}
else
{
CalculatePoint(Volume, propagator[i]);
}
});
}
public PointChannelPropagator(VoxelLightPropagator propagator)
: base(propagator, VoxelLightChannel.Point)
{
}
public SunChannelPropagator(VoxelLightPropagator propagator, VoxelLightChannel channel)
: base(propagator, channel)
{
}
unsafe void WorkerThread()
{
var requests = new Stack <VoxelChangeRequest>();
var chunksToRemesh = new HashSet <VoxelChunk>();
var propagator = new VoxelLightPropagator(Volume);
while (!_abortRequested)
{
_changeRequested.WaitOne();
while (_changeRequests.TryDequeue(out var request))
{
requests.Push(request);
}
while (requests.TryPop(out var request))
{
var chunkCoords = Volume.GlobalToChunkCoords(request.Coords);
var chunk = Volume[chunkCoords];
if (chunk != null)
{
var localCoords = chunk.VolumeToLocalCoords(request.Coords);
var oldOpacity = chunk.Voxels[localCoords].IsOpaque;
var voxel = request.Voxel;
var newOpacity = voxel.IsOpaque;
var pointLight = chunk.LightData[VoxelLightChannel.Point][localCoords];
var typePointLight = voxel.PointLightLevel;
if (typePointLight > *pointLight)
{
propagator.PointPropagationChannel.QueueForPropagation(chunk, localCoords, typePointLight);
}
if (voxel.IsEmpty)
{
propagator.PointPropagationChannel.QueueForDepropagation(chunk, localCoords);
}
if (oldOpacity != newOpacity)
{
if (newOpacity)
{
propagator.QueueForDepropagation(chunk, localCoords);
}
else
{
propagator.QueueNeighborsForPropagation(chunk, localCoords);
}
}
chunk.Voxels[localCoords] = voxel;
chunksToRemesh.Add(chunk);
if (localCoords.X == 0)
{
var neighbor = Volume[chunk.Coords + new Coords(-1, 0, 0)];
if (neighbor is VoxelChunk neighborChunk)
{
chunksToRemesh.Add(neighborChunk);
}
}
else if (localCoords.X == VoxelChunk.SIZE - 1)
{
var neighbor = Volume[chunk.Coords + new Coords(1, 0, 0)];
if (neighbor is VoxelChunk neighborChunk)
{
chunksToRemesh.Add(neighborChunk);
}
}
if (localCoords.Y == 0)
{
var neighbor = Volume[chunk.Coords + new Coords(0, -1, 0)];
if (neighbor is VoxelChunk neighborChunk)
{
chunksToRemesh.Add(neighborChunk);
}
}
else if (localCoords.Y == VoxelChunk.SIZE - 1)
{
var neighbor = Volume[chunk.Coords + new Coords(0, 1, 0)];
if (neighbor is VoxelChunk neighborChunk)
{
chunksToRemesh.Add(neighborChunk);
}
}
if (localCoords.Z == 0)
{
var neighbor = Volume[chunk.Coords + new Coords(0, 0, -1)];
if (neighbor is VoxelChunk neighborChunk)
{
chunksToRemesh.Add(neighborChunk);
}
}
else if (localCoords.Z == VoxelChunk.SIZE - 1)
{
var neighbor = Volume[chunk.Coords + new Coords(0, 0, 1)];
if (neighbor is VoxelChunk neighborChunk)
{
chunksToRemesh.Add(neighborChunk);
}
}
}
}
propagator.StartPropagationTask();
List <VoxelChunkMesh> meshes = null;
if (chunksToRemesh.Count <= _multipleMeshThreshold)
{
meshes = new List <VoxelChunkMesh>();
}
Parallel.ForEach(chunksToRemesh, (chunk) => {
var mesh = chunk.Mesh ?? new VoxelChunkMesh(chunk);
mesh.GenerateGeometryAndLighting();
if (meshes != null)
{
meshes.Add(mesh);
}
else
{
_singleMeshes.Enqueue(mesh);
}
});
if (meshes != null)
{
_multipleMeshes.Enqueue(meshes);
}
propagator.Wait();
Parallel.ForEach(propagator.AlteredChunks, (chunk) => {
var mesh = chunk.Mesh;
mesh.GenerateLighting();
_singleMeshes.Enqueue(mesh);
});
propagator.Clear();
chunksToRemesh.Clear();
}
}
