public TerrainSnapshot CompileSnapshot()
{
if (cachedSnapshot?.Version == descriptionStore.Version)
{
return(cachedSnapshot);
}
// Console.WriteLine("Terrain Snapshot Compile Triggered");
var nodeDescriptions = descriptionStore.EnumerateSectorNodeDescriptions().ToList();
var edgeDescriptions = descriptionStore.EnumerateSectorEdgeDescriptions().ToList();
var dynamicHoleDescriptions = descriptionStore.EnumerateDynamicTerrainHoleDescriptions().ToList();
//----------------------------------------------------------------------------------------
// Plan Local Geometry Jobs
//----------------------------------------------------------------------------------------
var edgeDescriptionsByNodeDescription = edgeDescriptions.ToLookup(edge => edge.Source); // 20ms
var localGeometryRenderJobByNodeDescription = new Dictionary <SectorNodeDescription, LocalGeometryJob>(nodeDescriptions.Count);
foreach (var sectorNodeDescription in nodeDescriptions)
{
var localGeometryRenderJob = new LocalGeometryJob(sectorNodeDescription.StaticMetadata);
foreach (var edgeDescription in edgeDescriptionsByNodeDescription[sectorNodeDescription])
{
edgeDescription.EnhanceLocalGeometryJob(ref localGeometryRenderJob);
}
foreach (var holeDescription in dynamicHoleDescriptions)
{
holeDescription.EnhanceLocalGeometryJob(sectorNodeDescription, ref localGeometryRenderJob);
}
localGeometryRenderJobByNodeDescription.Add(sectorNodeDescription, localGeometryRenderJob);
} // 80ms
var localGeometryPreviewJobsByRenderJob = localGeometryRenderJobByNodeDescription.Values.Distinct().ToDictionary(
renderJob => renderJob,
renderJob => new LocalGeometryJob(renderJob.TerrainStaticMetadata, renderJob.CrossoverSegments)); //110
// TODO: Optimization: Pathfind on 'known' hole-less geometry.
// If a 'dirty' uncalculated snapshot is in the final path, calculate and redo pathfind.
//----------------------------------------------------------------------------------------
// Local Geometry Jobs => Local Geometry View Managers
// Which are able to efficiently find paths from one point to another, but don't have the
// concept of a 'crossover' (though they know to negate character radius at certain segs)
// Support adding 'endpoints' which may be labeled + looking up all endpoints of a label.
//----------------------------------------------------------------------------------------
var localGeometryPreviewJobs = localGeometryPreviewJobsByRenderJob.Values.ToHashSet();
var localGeometryPreviewJobViewManagers = localGeometryPreviewJobs.ToDictionary(
job => job,
job => previousLocalGeometryViewManagers.GetValueOrDefault(job)
?? new LocalGeometryViewManager(job));
var localGeometryRenderJobs = localGeometryRenderJobByNodeDescription.Values.ToHashSet();
var localGeometryRenderJobViewManagers = localGeometryRenderJobs.ToDictionary(
job => job,
job => previousLocalGeometryViewManagers.GetValueOrDefault(job)
?? localGeometryPreviewJobViewManagers.GetValueOrDefault(job)
?? new LocalGeometryViewManager(job, localGeometryPreviewJobViewManagers[localGeometryPreviewJobsByRenderJob[job]]));
previousLocalGeometryViewManagers = new Dictionary <LocalGeometryJob, LocalGeometryViewManager>();
foreach (var kvp in localGeometryPreviewJobViewManagers.Concat(localGeometryRenderJobViewManagers))
{
previousLocalGeometryViewManagers[kvp.Key] = kvp.Value;
}
//----------------------------------------------------------------------------------------
// Return Terrain Overlay Network Manager
//----------------------------------------------------------------------------------------
var localGeometryViewManagerBySectorNodeDescription = nodeDescriptions.ToDictionary(
nodeDescription => nodeDescription,
nodeDescription => localGeometryRenderJobViewManagers[localGeometryRenderJobByNodeDescription[nodeDescription]]);
var terrainOverlayNetworkManager = new TerrainOverlayNetworkManager(localGeometryViewManagerBySectorNodeDescription, edgeDescriptions);
return(cachedSnapshot = new TerrainSnapshot {
Version = descriptionStore.Version,
NodeDescriptions = nodeDescriptions,
EdgeDescriptions = edgeDescriptions,
OverlayNetworkManager = terrainOverlayNetworkManager
});
}
/// <summary>
/// For benchmarking purposes
/// </summary>
public void InvalidateCaches()
{
cachedSnapshot = null;
}
