public static bool TryFindTerrainOverlayNode(this TerrainOverlayNetwork terrainOverlayNetwork, Vector3 p, out TerrainOverlayNetworkNode result, out Vector3 pLocal)
{
foreach (var bvhNode in terrainOverlayNetwork.NodeBvh.FindIntersectingLeaves(p.ToOpenMobaVector()))
{
for (var i = bvhNode.StartIndexInclusive; i < bvhNode.EndIndexExclusive; i++)
{
var node = bvhNode.Values[i];
pLocal = Vector3.Transform(p, node.SectorNodeDescription.WorldTransformInv);
var pLocalXy = new IntVector2((int)pLocal.X, (int)pLocal.Y); // todo: correctness issues
if (!node.LandPolyNode.PointInLandPolygonNonrecursive(pLocalXy))
{
continue;
}
if (Math.Abs(pLocal.Z) > 1E-3f)
{
continue;
}
result = node;
return(true);
}
}
result = null;
pLocal = default(Vector3);
return(false);
}
public static bool TryFindTerrainOverlayNode(this TerrainOverlayNetwork terrainOverlayNetwork, DoubleVector3 p, out TerrainOverlayNetworkNode result, out DoubleVector3 pLocal)
{
var res = TryFindTerrainOverlayNode(terrainOverlayNetwork, p.ToDotNetVector(), out result, out var pLocalV3);
pLocal = pLocalV3.ToOpenMobaVector();
return(res);
}
public TerrainOverlayNetwork CompileTerrainOverlayNetwork(double agentRadius)
{
if (terrainOverlayNetworkCache.TryGetValue(agentRadius, out var existingTerrainOverlayNetwork))
{
return(existingTerrainOverlayNetwork);
}
// Console.WriteLine($"Compiling Terrain Overlay Network for Agent Radius {agentRadius}.");
//----------------------------------------------------------------------------------------
// Sector Node Description => Default Local Geometry View
//----------------------------------------------------------------------------------------
var renderedLocalGeometryViewBySectorNodeDescription = localGeometryViewManagerBySectorNodeDescription.Map(
(k, v) => v.GetErodedView(agentRadius * k.WorldToLocalScalingFactor));
var defaultLocalGeometryViewBySectorNodeDescription = renderedLocalGeometryViewBySectorNodeDescription.Map(
(k, v) => true || v.IsPunchedLandEvaluated ? v : v.Preview);
var landPolyNodesByDefaultLocalGeometryView = defaultLocalGeometryViewBySectorNodeDescription.Values.Distinct().ToDictionary(
lgv => lgv,
lgv => lgv.PunchedLand.GetLandNodes());
var terrainNodesBySectorNodeDescription = defaultLocalGeometryViewBySectorNodeDescription.Map(
(k, v) => landPolyNodesByDefaultLocalGeometryView[v].Map(pn => new TerrainOverlayNetworkNode(k, v, pn)));
var terrainNodesBySectorNodeDescriptionAndPolyNode = terrainNodesBySectorNodeDescription.Values.SelectMany(tns => tns).ToDictionary(
tn => (tn.SectorNodeDescription, tn.LandPolyNode));
//----------------------------------------------------------------------------------------
// Edge Lookups
//----------------------------------------------------------------------------------------
var edgesBySource = edgeDescriptions.ToLookup(ed => ed.Source);
var edgesByDestination = edgeDescriptions.ToLookup(ed => ed.Destination);
var edgesByEndpoints = MultiValueDictionary <SectorNodeDescription, SectorEdgeDescription> .Create(() => new HashSet <SectorEdgeDescription>());
foreach (var(k, edges) in edgesBySource)
{
foreach (var edge in edges)
{
edgesByEndpoints.Add(k, edge);
}
}
foreach (var(k, edges) in edgesByDestination)
{
foreach (var edge in edges)
{
edgesByEndpoints.Add(k, edge);
}
}
//----------------------------------------------------------------------------------------
// Build and Initialize Terrain Overlay Network
//----------------------------------------------------------------------------------------
var terrainOverlayNetwork = new TerrainOverlayNetwork(
agentRadius,
defaultLocalGeometryViewBySectorNodeDescription,
terrainNodesBySectorNodeDescription,
landPolyNodesByDefaultLocalGeometryView,
terrainNodesBySectorNodeDescriptionAndPolyNode,
edgeDescriptions,
edgesBySource,
edgesByDestination,
edgesByEndpoints);
terrainOverlayNetwork.Initialize();
return(terrainOverlayNetworkCache[agentRadius] = terrainOverlayNetwork);
}
public static bool TryFindTerrainOverlayNode(this TerrainOverlayNetwork terrainOverlayNetwork, DoubleVector3 p, out TerrainOverlayNetworkNode result)
{
return(TryFindTerrainOverlayNode(terrainOverlayNetwork, p, out result, out _));
}