/// <summary>
/// This function is useful if you want to test some parameters
/// </summary>
private static void StressTests()
{
log.Debug($"{LosTreeType.createdNodes} tree nodes");
var reg = WorldMgr.GetRegion(201);
// just warm the hot path
var stats = new RaycastStats();
var objects = reg.Objects.Where(o => o != null).ToList();
foreach (var o1 in objects.Take(1000))
{
foreach (var o2 in objects.Skip(1000).Take(1000))
{
GetCollisionDistance(o1.CurrentRegion, o1.Position, o2.Position, ref stats);
}
}
var sw = new Stopwatch();
sw.Start();
stats = new RaycastStats();
foreach (var o1 in objects)
{
foreach (var o2 in objects)
{
GetCollisionDistance(o1.CurrentRegion, o1.Position, o2.Position, ref stats);
}
}
sw.Stop();
long count = objects.Count * objects.Count;
var raySeconds = stats.nbTests * 1000 / sw.ElapsedMilliseconds;
log.Debug($"tests {count:N0} tests ({stats.nbTests:N0} ray, {stats.nbNodeTests:N0} node, {stats.nbAABBTests:N0} aabb, {stats.nbFaceTests:N0} face) in {sw.ElapsedMilliseconds} ms (~{count:N0} tests/s ~{raySeconds:N0} r/s)");
reg = WorldMgr.GetRegion(51);
objects = reg.Objects.Where(o => o != null && (o.CurrentZone.ID == 51 || o.CurrentZone.ID == 52)).ToList();
sw.Reset();
sw.Start();
stats = new RaycastStats();
foreach (var o1 in objects)
{
foreach (var o2 in objects)
{
GetCollisionDistance(o1.CurrentRegion, o1.Position, o2.Position, ref stats);
}
}
sw.Stop();
count = objects.Count * objects.Count;
raySeconds = stats.nbTests * 1000 / sw.ElapsedMilliseconds;
log.Debug($"tests {count:N0} tests ({stats.nbTests:N0} ray, {stats.nbNodeTests:N0} node, {stats.nbAABBTests:N0} aabb, {stats.nbFaceTests:N0} face) in {sw.ElapsedMilliseconds} ms (~{count:N0} tests/s ~{raySeconds:N0} r/s)");
// stop to read the logs
Console.ReadKey();
}
public void Render()
{
try
{
if (_renderDebugOverlay)
{
DebugOverlay.Render(GameViews.Primary);
}
if (_renderObjectTree)
{
new DebugObjectGraph().Render();
}
if (_renderRaycastStats)
{
RaycastStats.Render();
}
RenderMainMenuBar(out var height);
// Disable mouse scrolling when the mouse is on the debug UI
if (GameViews.Primary is GameView gameView)
{
gameView.IsMouseScrollingEnabled = height <= 0;
}
ObjectEditors.Render();
ActionsDebugUi.Render();
Tig.Console.Render(height);
}
catch (Exception e)
{
if (!ErrorReporting.ReportException(e))
{
throw;
}
}
ErrorReportingUi.Render();
ImGui.Render();
var drawData = ImGui.GetDrawData();
_renderer.ImGui_ImplDX11_RenderDrawLists(drawData);
}
public async void OnCommand(GameClient client, string[] args)
{
if (client.Player?.TargetObject == null && client.Player?.GroundTarget == null)
{
DisplayMessage(client, "You need a target to use this command.");
return;
}
var text = new List <string>();
if (client.Player.TargetObject != null)
{
var target = client.Player.TargetObject;
text.Add($"Target: {target.Name} (OID: {target.ObjectID}, distance: {Vector3.Distance(target.Position, client.Player.Position)})");
text.Add($"Target in view (player's cache): {client.Player.TargetInView}");
var stats = new RaycastStats();
var sw = new Stopwatch();
sw.Start();
var serverResult = LosCheckMgr.GetCollisionDistance(client.Player, target, ref stats);
sw.Stop();
text.Add($"Target in view (server-side los): {serverResult} ({stats.nbNodeTests} node, {stats.nbFaceTests} face, {sw.Elapsed.TotalMilliseconds}ms)");
var losResult = new TaskCompletionSource <ushort>();
client.Out.SendCheckLOS(client.Player, target, (player, response, targetOID) => losResult.SetResult(response));
var result = await losResult.Task;
text.Add($"CheckLOS packet response: 0x{result:X4} (in view: {(result & 0x100) != 0})");
}
else
{
var ground = client.Player.GroundTarget;
text.Add($"Ground target: {ground}");
text.Add($"Target in view (player's cache): {client.Player.GroundTargetInView}");
// TODO
}
client.Out.SendCustomTextWindow("Check LOS", text);
}
public static float GetCollisionDistance(int regionId, Vector3 origin, Vector3 target, ref RaycastStats stats)
{
if (!_regionTriangles.ContainsKey(regionId))
{
return(float.PositiveInfinity);
}
var diff = target - origin;
var distance = diff.Length() + 1e-6f;
if (distance < 32 || distance > WorldMgr.VISIBILITY_DISTANCE)
{
return(float.PositiveInfinity);
}
stats.nbTests += 1;
diff = Vector3.Normalize(diff);
foreach (var tree in _regionTriangles[regionId])
{
if (tree == null)
{
continue;
}
var rayDist = tree.CollideWithRay(origin, diff, distance, ref stats);
if (distance > rayDist)
{
return(rayDist);
}
}
return(float.PositiveInfinity);
}
public static float GetCollisionDistance(Region region, Vector3 origin, Vector3 target, ref RaycastStats stats)
{
return(GetCollisionDistance(region.ID, origin, target, ref stats));
}
public static float GetCollisionDistance(GameObject origin, GameObject target, ref RaycastStats stats)
{
if (origin.CurrentRegion != target.CurrentRegion)
{
return(float.PositiveInfinity);
}
var height = new Vector3(0, 0, 64); // maybe we should calculate that from the model id and size -- 64inch seems to be okay-ish for players
return(GetCollisionDistance(origin.CurrentRegion, origin.Position + height, target.Position + height, ref stats));
}