public VMPathFinder PushNewPathFinder(VMStackFrame frame, List <VMFindLocationResult> locations)
{
var childFrame = new VMPathFinder
{
Routine = frame.Routine,
Caller = frame.Caller,
Callee = frame.Callee,
CodeOwner = frame.CodeOwner,
StackObject = frame.StackObject,
Thread = this
};
var success = childFrame.InitRoutes(locations);
if (!success)
{
return(null); //no route, don't push
}
else
{
Stack.Add(childFrame);
return(childFrame);
}
}
public abstract VMPrimitiveExitCode Execute(VMStackFrame context);
public VMPrimitiveExitCode Tick()
{
if (Rooms.Count > 0)
{ //push portal function of next portal
var portal = Rooms.Pop();
var ent = VM.GetObjectById(portal.ObjectID);
if (ent.EntryPoints[15].ActionFunction != 0) //15 is portal function
{
bool Execute;
if (ent.EntryPoints[15].ConditionFunction != 0) //check if we can definitely execute this...
{
var Behavior = ent.GetBHAVWithOwner(ent.EntryPoints[15].ConditionFunction, VM.Context);
Execute = (VMThread.EvaluateCheck(VM.Context, Caller, new VMQueuedAction()
{
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent,
Routine = VM.Assemble(Behavior.bhav),
}) == VMPrimitiveExitCode.RETURN_TRUE);
}
else
{
Execute = true;
}
if (Execute)
{
//push it onto our stack, except now the portal owns our soul! when we are returned to we can evaluate the result and determine if the route failed.
var Behavior = ent.GetBHAVWithOwner(ent.EntryPoints[15].ActionFunction, VM.Context);
var routine = VM.Assemble(Behavior.bhav);
var childFrame = new VMStackFrame
{
Routine = routine,
Caller = Caller,
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent
};
childFrame.Args = new short[routine.Arguments];
Thread.Push(childFrame);
return(VMPrimitiveExitCode.CONTINUE);
}
else
{
return(VMPrimitiveExitCode.RETURN_FALSE); //could not execute portal function. todo: re-evaluate room route
}
}
else
{
return(VMPrimitiveExitCode.RETURN_FALSE);
}
}
else
{ //direct routing to a position - all required portals have been reached.
var avatar = (VMAvatar)Caller;
if (Turning)
{
if (avatar.CurrentAnimationState.EndReached)
{
Turning = false;
((AvatarComponent)avatar.WorldUI).RadianDirection = WalkDirection;
StartWalkAnimation();
}
else
{
((AvatarComponent)avatar.WorldUI).RadianDirection += TurnTweak; //while we're turning, adjust our direction
}
return(VMPrimitiveExitCode.CONTINUE_NEXT_TICK);
}
else
{
if (WalkTo == null)
{
AttemptWalk();
return(VMPrimitiveExitCode.CONTINUE);
}
else
{
if (!Walking)
{
var remains = AdvanceWaypoint();
if (!remains)
{
return(VMPrimitiveExitCode.RETURN_TRUE); //we are here!
}
BeginWalk();
}
else
{
if (Vector3.Distance(Caller.Position, CurrentWaypoint) < 0.10f)
{
var remains = AdvanceWaypoint();
if (!remains)
{
avatar.Direction = (Direction)((int)CurRoute.Flags & 255);
avatar.SetPersonData(VMPersonDataVariable.RouteEntryFlags, (short)avatar.Direction);
return(VMPrimitiveExitCode.RETURN_TRUE); //we are here!
}
}
if (avatar.CurrentAnimationState.EndReached)
{
StartWalkAnimation();
}
//normal sims can move 0.05 units in a frame.
((AvatarComponent)avatar.WorldUI).RadianDirection = WalkDirection;
Caller.Position += new Vector3(-(float)Math.Sin(WalkDirection) * 0.05f, (float)Math.Cos(WalkDirection) * 0.05f, 0);
}
return(VMPrimitiveExitCode.CONTINUE_NEXT_TICK);
}
}
}
return(VMPrimitiveExitCode.RETURN_FALSE);
}