private void Start()
{
const int treeRecursionLimit = 0;
this.treeScroll.onValueChanged.AddListener(
(x) =>
{
if (this.treesSyncRecursionGuard > treeRecursionLimit)
{
return;
}
++this.treesSyncRecursionGuard;
this.optionScroll.verticalNormalizedPosition =
this.treeScroll.verticalNormalizedPosition;
this.StartCoroutine(_SetVertScroll(this.optionScroll, this.treeScroll.verticalNormalizedPosition));
--this.treesSyncRecursionGuard;
});
this.optionScroll.onValueChanged.AddListener(
(x) =>
{
if (this.treesSyncRecursionGuard > treeRecursionLimit)
{
return;
}
++this.treesSyncRecursionGuard;
this.treeScroll.verticalNormalizedPosition =
this.optionScroll.verticalNormalizedPosition;
this.StartCoroutine(_SetVertScroll(this.treeScroll, this.optionScroll.verticalNormalizedPosition));
--this.treesSyncRecursionGuard;
});
this.tree.subscribers.Add(this);
this.nodeWorld = this.tree.AddNode("Environment", null);
this.nodeDecay = this.tree.AddNode("Decay", this.nodeWorld);
this.nodeShapes = this.tree.AddNode("Shapes", null);
GameObject goDecay = GameObject.Instantiate(this.prefabSpinnerReset);
goDecay.transform.SetParent(this.optionScroll.content);
this.decayEd = goDecay.GetComponent <ValueEditor_Base>();
this.decayEd.Init(this.mgr, null, this.mgr.evDecay);
this.decayEd.OnUpdateValue();
this.environmentItems.Add(this.nodeDecay, this.decayEd);
this.tree.LayoutTree();
}
/// <summary>
/// For a specified actor, rebuild its tree of parameters to make sure
/// they are up to date.
/// </summary>
/// <param name="actor">The actor to rebuilt the subtree for.</param>
void RefreshActorParams(SceneActor actor)
{
PxPre.Tree.Node n;
if (this.actorToNode.TryGetValue(actor, out n) == false)
{
return;
}
// We are going to re-add items from scratch
n.DestroyChildren();
NodeWidgets nw;
this.actorToParams.TryGetValue(actor, out nw);
HashSet <string> foundParams = new HashSet <string>(nw.widgets.Keys);
foreach (EditValue ev in actor.EnumerateRelevantParams())
{
PxPre.Tree.Node np = this.tree.AddNode(ev.name, n);
foundParams.Remove(ev.name);
NodeWidgets.ParamNodePair pnp;
if (nw.widgets.TryGetValue(ev.name, out pnp) == true)
{
pnp.node = np;
np.MinHeight = pnp.param.rectTransform.sizeDelta.y;
nw.widgets[ev.name] = pnp;
}
else
{
pnp = new NodeWidgets.ParamNodePair();
pnp.node = np;
GameObject goPrefab = null;
if (ev.name == "Rotation")
{
// Rotation is an edge case where the parameter gets its
// own specific widget.
goPrefab = GameObject.Instantiate(this.prefabWRotation);
}
else if (ev.val.ty == Val.Type.Float)
{
goPrefab = GameObject.Instantiate(this.prefabWSpinner);
}
else if (ev.val.ty == Val.Type.Int)
{
goPrefab = GameObject.Instantiate(this.prefabWSpinner);
}
else if (ev.val.ty == Val.Type.Bool)
{
goPrefab = GameObject.Instantiate(this.prefabWCheckbox);
}
else if (ev.val.ty == Val.Type.Enum)
{
goPrefab = GameObject.Instantiate(this.prefabWPulldown);
}
if (goPrefab != null)
{
ValueEditor_Base veb = goPrefab.GetComponent <ValueEditor_Base>();
veb.transform.SetParent(this.optionScroll.content, false);
veb.Init(this.mgr, actor, ev);
np.MinHeight = goPrefab.GetComponent <RectTransform>().sizeDelta.y;
pnp.param = veb;
nw.widgets.Add(ev.name, pnp);
}
}
}
// Remove anything we originally had that's no longer needed.
foreach (string str in foundParams)
{
GameObject.Destroy(nw.widgets[str].param.gameObject);
nw.widgets.Remove(str);
}
}
/// <summary>
/// Utility function to implement checking if the Escape key is pressed during a drag operation,
/// and canceling the drag operation and restoring the original value.
/// </summary>
/// <param name="draggedPtr">
/// The PointerEventData involved with the drag. This is required to cancel the drag operation
/// through Unity's input system.</param>
/// <param name="mgr">The application manager.</param>
/// <param name="actor">The actor who's parameter was being modified.</param>
/// <param name="ve">The widget who's drag action is being cancelled.</param>
/// <returns></returns>
public static IEnumerator EndDragOnEscape(UnityEngine.EventSystems.PointerEventData draggedPtr, Main mgr, SceneActor actor, ValueEditor_Base ve)
{
while (true)
{
if (Input.GetKeyDown(KeyCode.Escape) == true)
{
draggedPtr.pointerDrag = null;
draggedPtr.dragging = false;
ve.EV.val.SetValue(startingDragValue);
mgr.NotifyActorModified(actor, ve.EV);
ve.escapeCheck = null;
yield break;
}
yield return(null);
}
}
/// <summary>
/// A function to implement the spinner behaviour.
/// </summary>
/// <param name="mgr">The application manager.</param>
/// <param name="actor">The actor that owns the parameter the widget is being setup for.</param>
/// <param name="btn">The spinner button.</param>
/// <param name="ev">The parameter value.</param>
/// <param name="ve">The parameter's widget.</param>
public static void SetupWidgetDrag(Main mgr, SceneActor actor, UnityEngine.UI.Button btn, EditValue ev, ValueEditor_Base ve)
{
UnityEngine.EventSystems.EventTrigger et =
btn.gameObject.AddComponent <UnityEngine.EventSystems.EventTrigger>();
et.triggers = new List <UnityEngine.EventSystems.EventTrigger.Entry>();
UnityEngine.EventSystems.EventTrigger.Entry aBeginDrag = new UnityEngine.EventSystems.EventTrigger.Entry();
aBeginDrag.eventID = UnityEngine.EventSystems.EventTriggerType.BeginDrag;
aBeginDrag.callback.AddListener(
(x) =>
{
UnityEngine.EventSystems.PointerEventData ped = x as UnityEngine.EventSystems.PointerEventData;
if (ve.escapeCheck != null)
{
ve.StopCoroutine(ve.escapeCheck);
}
ve.escapeCheck = ve.StartCoroutine(EndDragOnEscape(ped, mgr, actor, ve));
startingDragValue = ev.val.Clone();
startDrag = ped.position;
});
UnityEngine.EventSystems.EventTrigger.Entry aEndDrag = new UnityEngine.EventSystems.EventTrigger.Entry();
aEndDrag.eventID = UnityEngine.EventSystems.EventTriggerType.EndDrag;
aEndDrag.callback.AddListener(
(x) =>
{
UnityEngine.EventSystems.PointerEventData ped = x as UnityEngine.EventSystems.PointerEventData;
ValFloat diff = new ValFloat(-(startDrag.y - ped.position.y));
Val vb = ev.Offset(startingDragValue, diff);
ev.val.SetValue(vb);
mgr.NotifyActorModified(actor, ev.name);
if (ve != null && ve.escapeCheck != null)
{
ve.StopCoroutine(ve.escapeCheck);
ve.escapeCheck = null;
}
});
UnityEngine.EventSystems.EventTrigger.Entry aDrag = new UnityEngine.EventSystems.EventTrigger.Entry();
aDrag.eventID = UnityEngine.EventSystems.EventTriggerType.Drag;
aDrag.callback.AddListener(
(x) =>
{
UnityEngine.EventSystems.PointerEventData ped = x as UnityEngine.EventSystems.PointerEventData;
ValFloat diff = new ValFloat(-(startDrag.y - ped.position.y));
Val vb = ev.Offset(startingDragValue, diff);
ev.val.SetValue(vb);
mgr.NotifyActorModified(actor, ev.name);
});
et.triggers.Add(aBeginDrag);
et.triggers.Add(aEndDrag);
et.triggers.Add(aDrag);
}
