/// <summary>
/// Depending on given marker name switch through ITs to show them in the GUI.
/// Does not set the current IT
/// </summary>
private void SwitchThroughIT(String markerName)
{
bool firstSelection = false;
// disable current IT component
if(_currentIT == null)
{
firstSelection = true;
}
foreach (ObjectSelectionBase it in _its)
{
if (firstSelection)
{
if (it.GetType().ToString() == "VirtualHandInteraction")
{
// set it as current
_tempCurrentIT = it;
SetCurrentIT(_tempCurrentIT);
//_currentIT = it;
//it.enabled = true;
Debug.Log("Init Interaction Technique set!");
}
}
else
{
if (//_currentIT != it && (
(markerName == "Marker4" && it.GetType().ToString() == "GoGoInteraction") ||
(markerName == "Marker0" && it.GetType().ToString() == "HomerInteraction") ||
(markerName == "Marker5" && it.GetType().ToString() == "VirtualHandInteraction")
//)
)
{
_tempCurrentIT = it;
return;
}
}
}
if (_tempCurrentIT == null)
{
Debug.Log("Could not set Interaction Technique!");
_itsAvailable = false;
}
}
/// <summary>
/// Set given IT by enabling its corresponding component and disabling the other.
/// </summary>
private void SetCurrentIT(ObjectSelectionBase it)
{
if(_currentIT != null)
{
// disable current IT component
_currentIT.enabled = false;
}
// set new current it and enable
_currentIT = it;
_currentIT.enabled = true;
_tempCurrentIT = _currentIT;
}
private void enableInteractionTechnique(ObjectSelectionBase it)
{
disableAllTechniques ();
it.enabled = true;
currentTechnique = it;
}
/* ------------------ VRUE Tasks START -------------------
----------------------------------------------------------------- */
/// <summary>
/// Called on Startup to register the attached IT components by first disabling them all
/// and then enable the default IT.
/// </summary>
private void RegisterITs()
{
_itsAvailable = true;
// to be on the safe side disable all attached components
foreach (ObjectSelectionBase it in _its)
{
it.enabled = false;
}
// by default set VirtualHand Interaction
_currentIT = null;
_tempCurrentIT = null;
SwitchThroughIT("");
}
/// <summary>
/// Unity Callback
/// OnGUI is called every frame for rendering and handling GUI events.
/// </summary>
void OnGUI()
{
/* ------------------ VRUE Tasks START --------------------------
* check if ITs are available
* if trigger marker is visible and no objects are currently selected by interaction game object show GUI
* depending on visible marker switch through availabe ITs
* implement user confirmation and set selected IT only if user has confirmed it
* disable the GUI if virtual hand has selected objects and if user has confirmend an IT
----------------------------------------------------------------- */
Debug.Log ("Selection Enabled: " + itSelectionEnabled);
if (interactionTechniques.Length == 0) {
return;
}
itSelected = currentTechnique.getSelectionState ();
String marker = gameObject.GetComponent<MultiMarkerSwitch> ().GetFaceFront ();
if (marker == _triggerMarker && !itSelectionEnabled) {
itSelectionEnabled = true;
} else if (itSelectionEnabled && Input.GetButtonUp ("Fire2")) {
enableInteractionTechnique (newTechnique);
itSelectionEnabled = false;
}
if (!itSelected && itSelectionEnabled) {
GUI.BeginGroup (new Rect (Screen.width / 2 - 100, 20, 300, 500));
ObjectSelectionBase temp;
if (itDictionary.TryGetValue (marker, out temp)) {
newTechnique = temp;
GUI.Box (new Rect (0, 0, 300, 50), newTechnique.GetType ().ToString (), vrue11Style);
}
else {
GUI.Box (new Rect (0, 0, 300, 50), currentTechnique.GetType ().ToString (), vrue11Style);
}
GUI.EndGroup ();
}
// ------------------ VRUE Tasks END ----------------------------
}
