/// <summary>
/// 检查移动是否合法
/// </summary>
/// <param name="mActor"></param>
/// <param name="to"></param>
/// <returns></returns>
public virtual bool MoveStepIsInRange(Actor mActor, MoveArg to)
{
if (mActor.ActorType == ActorType.PC)
{
TimeSpan span = DateTime.Now - mActor.moveCheckStamp;
if (span.TotalMilliseconds > 50)
{
double maximal;
if (span.TotalMilliseconds > 1000)
{
maximal = mActor.Speed * 2f;
}
else
{
maximal = mActor.Speed * (span.TotalMilliseconds / 1000) * 2f;
}
// Disabled, until we have something better
if (System.Math.Abs(mActor.X - to.X) > maximal)
{
return(false);
}
if (System.Math.Abs(mActor.Y - to.Y) > maximal)
{
return(false);
}
//we don't check for z , yet, to allow falling from great hight
//if (System.Math.Abs(mActor.z - to[2]) > mActor.maxMoveRange) return false;
}
}
return(true);
}
/// <summary>
/// 移动Actor
/// </summary>
/// <param name="mActor"></param>
/// <param name="arg"></param>
/// <param name="sendToSelf"></param>
public void MoveActor(Actor mActor, MoveArg arg, bool sendToSelf)
{
try
{
bool knockBack = false;
// check wheter the destination is in range, if not kick the client
/*if (!this.MoveStepIsInRange(mActor, arg))
* {
* knockBack = true;
* sendToSelf = true;
* }*/
if (mActor.EventHandler == null)
{
return;
}
OnMoveActor(mActor, arg, knockBack);
//scroll through all actors that "could" see the mActor at "from"
//or are going "to see" mActor, or are still seeing mActor
if (!knockBack)
{
for (short deltaY = -1; deltaY <= 1; deltaY++)
{
for (short deltaX = -1; deltaX <= 1; deltaX++)
{
int region = mActor.Region + (deltaX * 10000) + deltaY;
if (!this.actorsByRegion.TryGetValue(region, out ConcurrentDictionary <ulong, Actor> actors))
{
continue;
}
foreach (KeyValuePair <ulong, Actor> pair in actors)
{
Actor actor = pair.Value;
try
{
if (actor == null)
{
continue;
}
if (actor.EventHandler == null)
{
DeleteActor(actor);
continue;
}
if (actor.ActorID == mActor.ActorID && !sendToSelf)
{
continue;
}
// A) INFORM OTHER ACTORS
//actor "could" see mActor at its "from" position
if (this.ACanSeeB(actor, mActor))
{
//actor will still be able to see mActor
if (this.ACanSeeB(actor, mActor, arg.X, arg.Y))
{
if (arg.MoveType == MoveType.Start)
{
actor.EventHandler.OnActorStartsMoving(mActor, arg);
}
else
{
actor.EventHandler.OnActorStopsMoving(mActor, arg);
}
}
//actor won't be able to see mActor anymore
else
{
actor.EventHandler.OnActorDisappears(mActor);
}
}
//actor "could not" see mActor, but will be able to see him now
else if (this.ACanSeeB(actor, mActor, arg.X, arg.Y))
{
actor.EventHandler.OnActorAppears(mActor);
//send move / move stop
if (arg.MoveType == MoveType.Start)
{
actor.EventHandler.OnActorStartsMoving(mActor, arg);
}
else
{
actor.EventHandler.OnActorStopsMoving(mActor, arg);
}
}
// B) INFORM mActor
//mActor "could" see actor on its "from" position
if (this.ACanSeeB(mActor, actor))
{
//mActor won't be able to see actor anymore
if (!this.ACanSeeB(mActor, arg.X, arg.Y, actor))
{
mActor.EventHandler.OnActorDisappears(actor);
}
//mAactor will still be able to see actor
else
{
}
}
else if (this.ACanSeeB(mActor, arg.X, arg.Y, actor))
{
//mActor "could not" see actor, but will be able to see him now
//send pcinfo
mActor.EventHandler.OnActorAppears(actor);
}
}
catch (Exception ex)
{
Logger.Log.Error(ex);
}
}
}
}
}
else
{
mActor.EventHandler.OnActorStopsMoving(mActor, arg);
}
//lock (mActor)
{
mActor.X = arg.X;
mActor.Y = arg.Y;
mActor.Z = arg.Z;
mActor.Dir = arg.Dir;
//mActor.Speed = arg.Speed;
}
//update the region of the actor
int newRegion = this.GetRegion(arg.X, arg.Y);
if (mActor.Region != newRegion)
{
if (this.actorsByRegion.TryGetValue(mActor.Region, out ConcurrentDictionary <ulong, Actor> list))
{
list.TryRemove(mActor.ActorID, out Actor removed);
}
//turn off all the ai if the old region has no player on it
mActor.Region = newRegion;
if (!this.actorsByRegion.TryGetValue(newRegion, out list))
{
list = new ConcurrentDictionary <ulong, Actor>();
this.actorsByRegion[newRegion] = list;
}
list[mActor.ActorID] = mActor;
}
}
catch (Exception ex)
{ Logger.Log.Error(ex); }
}
public abstract void OnMoveActor(Actor mActor, MoveArg arg, bool knockBack);
/// <summary>
/// 移动Actor
/// </summary>
/// <param name="mActor"></param>
/// <param name="arg"></param>
public void MoveActor(Actor mActor, MoveArg arg)
{
MoveActor(mActor, arg, false);
}