private void QueuePropagationUpdates(LightPropagationJob propJob)
{
var chunkId = propJob.data.chunkId.ToBasic();
for (Direction dir = 0; (int)dir < DirectionExtensions.numDirections; dir++)
{
BorderUpdateRequest borderUpdate = new BorderUpdateRequest();
var UpdateChunkId = chunkId + DirectionExtensions.Vectors[(int)dir];
borderUpdate.borderDirection = DirectionExtensions.Opposite[(int)dir];
borderUpdate.sunlight = propJob.sunlightNeighbourUpdates[dir].ToArray();
borderUpdate.dynamic = propJob.dynamicNeighbourUpdates[dir].ToArray();
if (borderUpdate.dynamic.Length > 0 || borderUpdate.sunlight.Length > 0)
{
if (pendingLightUpdatesByChunk.TryGetValue(UpdateChunkId, out var chunkUpdateRequest))
{
chunkUpdateRequest.borderUpdateRequests.Add(borderUpdate);
}
else
{
chunkUpdateRequest = new ChunkUpdateRequest()
{
borderUpdateRequests = new List <BorderUpdateRequest>()
};
chunkUpdateRequest.borderUpdateRequests.Add(borderUpdate);
pendingLightUpdatesByChunk.Add(UpdateChunkId, chunkUpdateRequest);
pendingLightUpdatesOrder.Enqueue(UpdateChunkId);
}
}
}
}
/// <summary>
/// Runs a fixed number of lighting propagation updates,
/// and returns a set of the chunk ids alterred by these updates.
/// </summary>
/// <returns></returns>
public HashSet <Vector3Int> Update()
{
Profiler.BeginSample("LightManagerUpdate");
//Process a finite number of the pending updates.
int processedThisUpdate = 0;
Queue <WipPropagationUpdate> jobsInProgress = new Queue <WipPropagationUpdate>();
var touchedByUpdate = new HashSet <Vector3Int>(chunksWhereLightChangedOnBorderSinceLastUpdate);
chunksWhereLightChangedOnBorderSinceLastUpdate.Clear();
while (processedThisUpdate < MaxLightUpdates && pendingLightUpdatesOrder.Count > 0)
{
var chunkId = pendingLightUpdatesOrder.Dequeue();
var chunkUpdate = pendingLightUpdatesByChunk[chunkId];
pendingLightUpdatesByChunk.Remove(chunkId);
if (!chunkManager.IsChunkFullyGenerated(chunkId))
{
//skip, as this chunk is no longer valid for updates
continue;
}
touchedByUpdate.Add(chunkId);
var data = getJobData(chunkId);
Assert.IsTrue(chunkUpdate.borderUpdateRequests.Count > 0);
//Run border resolution jobs for each face update request
//common queues
var dynamicPropagationQueue = new NativeQueue <int3>(Allocator.Persistent);
var sunlightPropagationQueue = new NativeQueue <int3>(Allocator.Persistent);
BorderResolutionJob[] borderResolutionJobs = new BorderResolutionJob[chunkUpdate.borderUpdateRequests.Count];
for (int i = 0; i < chunkUpdate.borderUpdateRequests.Count; i++)
{
var borderUpdate = chunkUpdate.borderUpdateRequests[i];
BorderResolutionJob borderJob = new BorderResolutionJob()
{
data = data,
dynamicPropagationQueue = dynamicPropagationQueue,
sunlightPropagationQueue = sunlightPropagationQueue,
dynamicFromBorder = borderUpdate.dynamic.ToNative(Allocator.Persistent),
sunlightFromBorder = borderUpdate.sunlight.ToNative(Allocator.Persistent),
toDirection = borderUpdate.borderDirection
};
borderResolutionJobs[i] = borderJob;
}
///Just one propagation job will be run, with propagation queues
///derived from all the border update requests
LightPropagationJob propJob = new LightPropagationJob()
{
data = data,
sunlightNeighbourUpdates = new LightJobNeighbourUpdates(Allocator.Persistent),
dynamicNeighbourUpdates = new LightJobNeighbourUpdates(Allocator.Persistent),
sunlightPropagationQueue = sunlightPropagationQueue,
dynamicPropagationQueue = dynamicPropagationQueue,
lightsChangedOnBorder = new NativeArray <bool>(DirectionExtensions.numDirections, Allocator.Persistent)
};
if (Parallel)
{
WipPropagationUpdate updateJob = new WipPropagationUpdate()
{
borderJobs = borderResolutionJobs,
propJob = propJob
};
JobHandle handle = new JobHandle();
//Chain dependencies of border resolution jobs
for (int i = 0; i < borderResolutionJobs.Length; i++)
{
handle = borderResolutionJobs[i].Schedule(handle);
}
handle = propJob.Schedule(handle);
updateJob.handle = handle;
jobsInProgress.Enqueue(updateJob);
}
else
{
for (int i = 0; i < borderResolutionJobs.Length; i++)
{
borderResolutionJobs[i].Run();
borderResolutionJobs[i].Dispose();
}
propJob.Run();
var chunkdata = chunkManager.GetChunkData(data.chunkId.ToBasic());
chunkdata.SetLightMap(data.lights.ToArray());
///If any light value changes on any of the borders (not just the ones from which
///propagation started), the corresponding neighbour will need to be re-meshed.
for (int i = 0; i < propJob.lightsChangedOnBorder.Length; i++)
{
var neighbourChunkId = chunkId + DirectionExtensions.Vectors[i];
if (propJob.lightsChangedOnBorder[i])
{
touchedByUpdate.Add(neighbourChunkId);
}
}
QueuePropagationUpdates(propJob);
propJob.Dispose();
}
processedThisUpdate++;
}
Assert.AreEqual(pendingLightUpdatesOrder.Count, pendingLightUpdatesByChunk.Count);
//Complete the jobs
while (jobsInProgress.Count > 0)
{
var wip = jobsInProgress.Dequeue();
wip.handle.Complete();
for (int i = 0; i < wip.borderJobs.Length; i++)
{
wip.borderJobs[i].Dispose();
}
var chunkId = wip.propJob.data.chunkId.ToBasic();
var chunkdata = chunkManager.GetChunkData(chunkId);
chunkdata.SetLightMap(wip.propJob.data.lights.ToArray());
///If any light value changes on any of the borders (not just the ones from which
///propagation started), the corresponding neighbour will need to be re-meshed.
for (int i = 0; i < wip.propJob.lightsChangedOnBorder.Length; i++)
{
var neighbourChunkId = chunkId + DirectionExtensions.Vectors[i];
if (wip.propJob.lightsChangedOnBorder[i])
{
touchedByUpdate.Add(neighbourChunkId);
}
}
QueuePropagationUpdates(wip.propJob);
wip.propJob.Dispose();
}
Profiler.EndSample();
return(touchedByUpdate);
}
public AbstractPipelineJob <LightmapGenerationJobResult> CreateGenerationJob(Vector3Int chunkId)
{
int[] heightMap = heightMapProvider.GetHeightMapForColumn(new Vector2Int(chunkId.x, chunkId.z));
var jobData = getJobData(chunkId);
var generationJob = new LightGenerationJob()
{
data = jobData,
dynamicPropagationQueue = new NativeQueue <int3>(Allocator.Persistent),
sunlightPropagationQueue = new NativeQueue <int3>(Allocator.Persistent),
heightmap = heightMap.ToNative()
};
var propagationJob = new LightPropagationJob()
{
data = jobData,
sunlightPropagationQueue = generationJob.sunlightPropagationQueue,
dynamicPropagationQueue = generationJob.dynamicPropagationQueue,
sunlightNeighbourUpdates = new LightJobNeighbourUpdates(Allocator.Persistent),
dynamicNeighbourUpdates = new LightJobNeighbourUpdates(Allocator.Persistent),
lightsChangedOnBorder = new NativeArray <bool>(DirectionExtensions.numDirections, Allocator.Persistent)
};
Func <LightmapGenerationJobResult> cleanup = () =>
{
var result = new LightmapGenerationJobResult();
result.lights = jobData.lights.ToArray();
generationJob.Dispose();
QueuePropagationUpdates(propagationJob);
///If any light value changes on any of the borders
///the corresponding neighbour will need to be re-meshed.
for (int i = 0; i < propagationJob.lightsChangedOnBorder.Length; i++)
{
var neighbourChunkId = chunkId + DirectionExtensions.Vectors[i];
if (propagationJob.lightsChangedOnBorder[i])
{
chunksWhereLightChangedOnBorderSinceLastUpdate.Add(neighbourChunkId);
}
}
propagationJob.Dispose();
return(result);
};
if (!Parallel)
{
return(new BasicFunctionJob <LightmapGenerationJobResult>(() =>
{
generationJob.Run();
propagationJob.Run();
return cleanup();
}));
}
var genHandle = generationJob.Schedule();
var propHandle = propagationJob.Schedule(genHandle);
return(new PipelineUnityJob <LightmapGenerationJobResult>(propHandle, cleanup));
}
