public void VisitNodeMovement(NodeMovement nm)
{
UsedCharacters.Add(nm.Character);
switch (nm.MovementType)
{
case NodeMovement.MovementTypeEnum.Exit:
if (!PresentCharacters.Contains(nm.Character))
{
Report.AddMessage(ProjectReportMessage.MessageSeverity.Error, "A movement node is removing a character that is not in the scene.", nm);
}
else
{
PresentCharacters.Remove(nm.Character);
}
if (!PresentCharactersSide.ContainsKey(nm.MovementDirection) || PresentCharactersSide[nm.MovementDirection] != nm.Character)
{
Report.AddMessage(ProjectReportMessage.MessageSeverity.Error, "A movement node is removing a character from the wrong side or another character overwrote it.", nm);
}
else
{
PresentCharactersSide.Remove(nm.MovementDirection);
}
break;
case NodeMovement.MovementTypeEnum.Enter:
if (PresentCharacters.Contains(nm.Character))
{
Report.AddMessage(ProjectReportMessage.MessageSeverity.Error, "A movement node is adding a character that is already in the scene.", nm);
}
else
{
PresentCharacters.Add(nm.Character);
}
if (PresentCharactersSide.ContainsKey(nm.MovementDirection))
{
Report.AddMessage(ProjectReportMessage.MessageSeverity.Error, "A movement node is adding a character to an occupied location.", nm);
}
else
{
PresentCharactersSide.Add(nm.MovementDirection, nm.Character);
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(nm.MovementType), nm.MovementType, null);
}
}