private static LosTreeType _LoadZone(Region region, Zone zone, string filename)
{
var(vertices, objects) = WavefrontObjFile.Load(zone, filename);
if (vertices == null || vertices.Length == 0 || objects == null)
{
return(null);
}
var zoneMin = new Vector3(float.PositiveInfinity);
var zoneMax = new Vector3(float.NegativeInfinity);
foreach (var v in vertices)
{
if (v.Z <= 0 || v.Z > 65530)
{
continue;
}
zoneMin = Vector3.Min(zoneMin, v);
zoneMax = Vector3.Max(zoneMax, v);
}
zoneMin.Z -= 500;
zoneMax.Z += 500;
var zoneTree = new LosTreeType(new AABoundingBox(zoneMin, zoneMax), 1);
foreach (var faces in objects)
{
foreach (var(a, b, c) in faces)
{
zoneTree.AddObject(new Triangle(vertices, a, b, c));
}
}
if (log.IsDebugEnabled)
{
log.Debug($"[LosMgr] Zone {zone.ZoneSkinID} loaded: {objects.Count:N0} objects {objects.Select(o => o.Length).Sum():N0} faces {vertices.Length:N0} vertices");
}
return(zoneTree);
}
public static void Initialize()
{
LosTreeType.MaxObjectsPerNode = MAX_TRIANGLE_PER_TREE_NODE;
Parallel.ForEach(WorldMgr.GetAllRegions(), region =>
{
var tick = GameServer.Instance.TickCount;
log.Debug($"loading region {region.Description} (id:{region.ID})...");
var zoneTriangles = new LosTreeType[region.Zones.Count];
lock (_regionTriangles)
_regionTriangles.Add(region.ID, zoneTriangles);
int i = 0;
foreach (var zone in region.Zones)
{
zoneTriangles[i++] = _LoadZone(region, zone, Path.Combine("obj", $"zone{zone.ZoneSkinID:D3}.obj"));
}
if (log.IsDebugEnabled)
{
log.Debug($"[LosMgr] region {region.Description} (id:{region.ID}): {GameServer.Instance.TickCount - tick}ms");
}
});
// just useful to do some tests, I keep it in case I want to implement a BVH version
//StressTests();
}
