protected override string IsCorrectlyPlaced()
{
if (CanValidate())
{
switch (instruction)
{
case Util.INIT_INSTRUCTION:
return((currentStandingOn.HolderID == sortingElementID) ? Util.INIT_OK : Util.INIT_ERROR);
case UtilSort.MOVE_TO_BUCKET_INST:
if (!bucketSortInstruction.HasBeenExecuted())
{
// First check if the element is still standing on the init holder
if (currentStandingOn != null)
{
// Check if element is standing on holder (before any user action) / or if mistake and move back
if (IntermediateMove && currentStandingOn.HolderID == bucketSortInstruction.HolderID)
{
return(UtilSort.CORRECT_HOLDER);
}
}
else if (currentInside != null)
{
if (IntermediateMove && currentInside.BucketID == bucketSortInstruction.BucketID)
{
Instruction.Status = Util.EXECUTED_INST;
return(UtilSort.CORRECT_BUCKET);
}
}
return(UtilSort.WRONG_BUCKET);
}
else // Aftercheck (instruction has been executed)
{
return((currentInside != null && currentInside.BucketID == bucketSortInstruction.BucketID) ? UtilSort.CORRECT_BUCKET : UtilSort.WRONG_BUCKET);
}
case UtilSort.MOVE_BACK_INST:
if (!bucketSortInstruction.HasBeenExecuted())
{
if (currentStandingOn != null)
{
// Check correct move first
if (IntermediateMove && CurrentStandingOn.HolderID == bucketSortInstruction.NextHolderID)
{
Instruction.Status = Util.EXECUTED_INST;
intermediateMove = false;
return(UtilSort.CORRECT_HOLDER);
}
}
else if (currentInside != null)
{
if (IntermediateMove && CurrentInside.BucketID == bucketSortInstruction.BucketID)
{
return(UtilSort.CORRECT_BUCKET);
}
return(UtilSort.WRONG_HOLDER);
}
return(UtilSort.WRONG_HOLDER);
}
else
{
return((currentStandingOn != null && CurrentStandingOn.HolderID == bucketSortInstruction.NextHolderID) ? UtilSort.CORRECT_HOLDER : UtilSort.WRONG_HOLDER);
}
case UtilSort.DISPLAY_ELEMENT:
return((currentInside != null && currentInside.BucketID == bucketSortInstruction.BucketID) ? UtilSort.CORRECT_HOLDER : UtilSort.WRONG_HOLDER);
default: Debug.Log(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> IsCorrectlyPlaced(): Add '" + instruction + "' case, or ignore"); break;
}
}
return(UtilSort.CANNOT_VALIDATE_ERROR);
}
