public void ClearSteps()
{
currPartIdx = 0;
while (currPartIdx < transform.childCount)
{
Transform currPart = transform.GetChild(currPartIdx++);
Step nestedStep = currPart.GetComponent <Step>();
if (nestedStep != null)
{
continue;
}
SubModel nestedSubModel = currPart.GetComponent <SubModel>();
if (nestedSubModel != null)
{
nestedSubModel.ClearSteps();
continue;
}
currPart.gameObject.SetActive(false);
}
currPartIdx = 0;
}
public void PlayAnimations()
{
// Walk back up the tree until you find another step or a subModel
// and play the appropriate animation
int currPartIdx = transform.GetSiblingIndex();
while (currPartIdx > 0)
{
GameObject currPart = transform.parent.GetChild(--currPartIdx).gameObject;
Step previousStep = currPart.GetComponent <Step>();
if (previousStep != null)
{
return;
}
SubModel previousSubModel = currPart.GetComponent <SubModel>();
if (previousSubModel != null)
{
// Animate the entire sub-model
PlaySubModelAnimation(previousSubModel);
return;
}
// Animate each part
PlayPartAnimation(currPart);
}
}
// Public methods
public string PrepareSteps(string stepNumberPrefix, bool clear)
{
currPartIdx = 0;
int stepNumber = 1;
string nestedSubModelLastStepNumber = string.Empty;
if (!IsRoot)
{
stepNumberPrefix += '.';
}
while (currPartIdx < transform.childCount)
{
Transform currPart = transform.GetChild(currPartIdx++);
Step nestedStep = currPart.GetComponent <Step>();
if (nestedStep != null)
{
if (nestedStep.Number.Length != 0)
{
// Re-number using custom scheme
string[] nestedStepNumberParts = nestedStep.Number.Split('.');
stepNumber = int.Parse(nestedStepNumberParts.Last());
nestedStepNumberParts[nestedStepNumberParts.Length - 1] = string.Empty;
stepNumberPrefix = string.Join(".", nestedStepNumberParts);
nestedSubModelLastStepNumber = string.Empty;
}
else if (nestedSubModelLastStepNumber.Length != 0)
{
nestedStep.Number = nestedSubModelLastStepNumber;
nestedSubModelLastStepNumber = string.Empty;
}
else
{
nestedStep.Number = stepNumberPrefix + stepNumber;
}
nestedStep.NumberVersion = new Version(nestedStep.Number);
if (!nestedStep.IsSubStep)
{
stepNumber++;
}
continue;
}
SubModel nestedSubModel = currPart.GetComponent <SubModel>();
if (nestedSubModel != null)
{
nestedSubModelLastStepNumber = nestedSubModel.PrepareSteps(stepNumberPrefix + stepNumber, clear);
continue;
}
currPart.gameObject.SetActive(!clear);
}
currPartIdx = 0;
return(stepNumberPrefix + stepNumber);
}
private void PlaySubModelAnimation(SubModel subModel)
{
Animation animation = subModel.GetComponent <Animation>();
if (animation == null)
{
animation = subModel.gameObject.AddComponent <Animation>();
animation.AddClip(CreateAnimationClip(subModel.startPosition, subModel.finalPosition), "place");
}
animation.Play("place");
}
public bool PreviousStep()
{
Transform currPart = transform.GetChild(currPartIdx);
if (currPart.GetComponent <Step>() != null)
{
currPartIdx--;
// Edge case: When we step back into a sub model first move it
// into start position without executing any steps
currPart = transform.GetChild(currPartIdx);
SubModel currentSubModel = currPart.GetComponent <SubModel>();
if (currentSubModel != null)
{
currentSubModel.transform.localPosition = currentSubModel.startPosition;
return(true);
}
}
for (; currPartIdx >= 0; currPartIdx--)
{
currPart = transform.GetChild(currPartIdx);
Step previousStep = currPart.GetComponent <Step>();
if (previousStep != null)
{
return(true);
}
SubModel nestedSubModel = currPart.GetComponent <SubModel>();
if (nestedSubModel != null)
{
nestedSubModel.transform.localPosition = nestedSubModel.startPosition;
if (!nestedSubModel.PreviousStep())
{
continue;
}
return(true);
}
currPart.gameObject.SetActive(false);
}
currPartIdx = 0;
return(false);
}
public Step GetCurrentStep()
{
Transform currPart = transform.GetChild(currPartIdx);
Step currentStep = currPart.GetComponent <Step>();
if (currentStep != null)
{
return(currentStep);
}
SubModel currentSubModel = currPart.GetComponent <SubModel>();
if (currentSubModel != null)
{
return(currentSubModel.GetCurrentStep());
}
return(null);
}
public bool NextStep()
{
Transform currPart = transform.GetChild(currPartIdx);
if (currPart.GetComponent <Step>() != null)
{
currPartIdx++;
}
for (; currPartIdx < transform.childCount; currPartIdx++)
{
currPart = transform.GetChild(currPartIdx);
Step nextStep = currPart.GetComponent <Step>();
if (nextStep != null)
{
nextStep.PlayAnimations();
return(true);
}
SubModel nestedSubModel = currPart.GetComponent <SubModel>();
if (nestedSubModel != null)
{
nestedSubModel.transform.localPosition = nestedSubModel.startPosition;
if (!nestedSubModel.NextStep())
{
continue;
}
return(true);
}
currPart.gameObject.SetActive(true);
}
currPartIdx = transform.childCount - 1;
return(false);
}
// Unity lifecycle methods
void Awake()
{
rootModel = GetComponent <SubModel>();
rootModel.IsRoot = true;
}
void Start()
{
rootModel = GetComponent <SubModel>();
}
