void CallEnterEvents()
{
if (tracker_hover_next == null)
{
return;
}
if (tracker_hover == null)
{
tracker_hover_next.OnEnter(this);
tracker_hover = tracker_hover_next;
}
Debug.Assert(tracker_hover == tracker_hover_next);
if (is_clicking_now && !is_grabbing)
{
switch (clicking_button)
{
case EControllerButton.Trigger:
tracker_hover.OnTriggerDown(this);
break;
case EControllerButton.Grip:
tracker_hover.OnGripDown(this);
break;
}
grabbing_button = clicking_button;
is_grabbing = true;
}
}
void CallLeaveEvents()
{
if (tracker_hover != null && tracker_hover != tracker_hover_next)
{
BaseControllerTracker prev = tracker_hover;
tracker_hover = null;
prev.OnLeave(this);
SetPointer(null);
}
}
static void CallControllerMoves(Controller[] controllers)
{
Debug.Assert(controllers.Length == 2); /* for now, always exactly two */
BaseControllerTracker left_tracker = controllers[0].tracker_hover;
BaseControllerTracker right_tracker = controllers[1].tracker_hover;
if (left_tracker == right_tracker)
{
if (left_tracker == null)
{
return; /* both controllers are nowhere */
}
if (left_tracker is ConcurrentControllerTracker)
{
/* both controllers are over the same ConcurrentControllerTracker */
(left_tracker as ConcurrentControllerTracker).OnMove(FilterNotLeaving(controllers));
return;
}
}
foreach (var ctrl in controllers)
{
BaseControllerTracker tracker = ctrl.tracker_hover;
if (tracker is ControllerTracker)
{
if (ctrl.is_grabbing)
{
switch (ctrl.grabbing_button)
{
case EControllerButton.Trigger:
(tracker as ControllerTracker).OnTriggerDrag(ctrl);
break;
case EControllerButton.Grip:
(tracker as ControllerTracker).OnGripDrag(ctrl);
break;
}
}
else
{
(tracker as ControllerTracker).OnMoveOver(ctrl);
}
}
else if (tracker is ConcurrentControllerTracker)
{
(tracker as ConcurrentControllerTracker).OnMove(FilterNotLeaving(new Controller[] { ctrl }));
}
}
}
void ReadControllerState()
{
/* updates the state fields; updates 'is_tracking' and 'is_clicking_now';
* may cause un-grabbing and so 'is_grabbing' may be reset to false;
* sets 'tracker_hover_next'. */
is_clicking_now = false;
var system = OpenVR.System;
if (system == null || !isActiveAndEnabled ||
!system.GetControllerState((uint)trackedObject.index, ref controllerState,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(typeof(VRControllerState_t))))
{
tracker_hover_next = null;
bitmask_buttons = 0;
if (is_tracking)
{
if (is_grabbing)
{
UnGrab();
}
is_tracking = false;
ResetVelocityEstimates();
}
}
else
{
is_tracking = true;
/* read the button state */
ulong trigger = controllerState.ulButtonPressed & (1UL << ((int)EVRButtonId.k_EButton_SteamVR_Trigger));
ulong pad = controllerState.ulButtonPressed & (1UL << ((int)EVRButtonId.k_EButton_SteamVR_Touchpad));
ulong grip = controllerState.ulButtonPressed & (1UL << ((int)EVRButtonId.k_EButton_Grip));
ulong menu = controllerState.ulButtonPressed & (1UL << ((int)EVRButtonId.k_EButton_ApplicationMenu));
uint b = 0;
if (menu != 0)
{
b |= (1U << (int)EControllerButton.Menu);
}
if (grip != 0)
{
if (!GetButton(EControllerButton.Grip))
{
is_clicking_now = true; clicking_button = EControllerButton.Grip;
}
b |= (1U << (int)EControllerButton.Grip);
}
if (pad != 0)
{
b |= (1U << (int)EControllerButton.Touchpad);
}
if (trigger != 0)
{
if (!GetButton(EControllerButton.Trigger))
{
is_clicking_now = true; clicking_button = EControllerButton.Trigger;
}
b |= (1U << (int)EControllerButton.Trigger);
}
bitmask_buttons = b;
if (is_grabbing && grabbing_button.HasValue && !GetButton(grabbing_button.Value))
{
UnGrab();
}
/* read the position/rotation and update the velocity estimation */
current_position = transform.position + transform.rotation * POS_TO_CURSOR;
current_rotation = transform.rotation;
UpdateVelocityEstimates();
/* find the next BaseControllerTracker at that position, taking the highest
* priority one. If is_grabbing, then keep the current one instead.
*/
if (is_grabbing)
{
tracker_hover_next = tracker_hover;
tracker_hover_next_priority = float.PositiveInfinity;
}
else
{
Collider[] lst = Physics.OverlapSphere(current_position, 0.02f, Physics.AllLayers,
QueryTriggerInteraction.Collide);
var potential = new HashSet <Transform>();
foreach (var coll in lst)
{
Transform tr = coll.transform;
while (tr != null)
{
if (!potential.Add(tr))
{
break; /* already in the set */
}
tr = tr.parent;
}
}
float best_priority = float.NegativeInfinity;
BaseControllerTracker best = null;
foreach (Transform tr in potential)
{
foreach (var tracker in tr.GetComponents <BaseControllerTracker>())
{
if (tracker is ControllerTracker && !Matches((tracker as ControllerTracker).selectableControllers))
{
continue;
}
float priority = tracker.GetPriority(this);
if (priority == float.NegativeInfinity)
{
continue;
}
Debug.Assert(priority < float.PositiveInfinity);
if (priority > best_priority || (priority == best_priority && tracker.creation_order > best.creation_order))
{
best_priority = priority;
best = tracker;
}
}
}
tracker_hover_next = best;
tracker_hover_next_priority = best_priority;
}
/* sanity check */
if (is_grabbing)
{
Debug.Assert(tracker_hover);
}
}
}
void Update()
{
if (active_controller == null)
{
foreach (var ctrl in BaroqueUI.GetControllers())
{
if (ctrl.Matches(controllerSelection) && ctrl.GetButton(controllerButton))
{
BaseControllerTracker tracker = ctrl.HoverControllerTracker();
if (tracker == null || tracker.CanStartTeleportAction(ctrl))
{
arc.Show();
active_controller = ctrl;
break;
}
}
}
if (active_controller == null)
{
return;
}
}
if (active_controller.GetButton(controllerButton))
{
bool saved = Physics.queriesHitTriggers;
try
{
Physics.queriesHitTriggers = false;
Transform tr = active_controller.transform;
arc.SetArcData(tr.position, tr.TransformDirection(new Vector3(0, beamUpVelocity, beamForwardVelocity)), true, false);
destination_valid = false;
bool show_invalid = false;
RaycastHit hitInfo;
if (arc.DrawArc(out hitInfo))
{
/* The teleport destination is accepted if we fit a capsule here. More precisely:
* the capsule starts at ABOVE_GROUND above the hit point of the beam; on top
* of that we check the capsule. The height of that capsule above around is thus
* from ABOVE_GROUND to ABOVE_GROUND + RADIUS + DISTANCE + RADIUS. The parameters
* are chosen so that planes of above ~30° cannot be teleported to, because the
* bottom of the capsule always intersects that plane.
*/
const float ABOVE_GROUND = 0.1f, RADIUS = 0.32f, DISTANCE = 1.1f;
if (Physics.CheckCapsule(hitInfo.point + (ABOVE_GROUND + RADIUS) * Vector3.up,
hitInfo.point + (ABOVE_GROUND + RADIUS + DISTANCE) * Vector3.up,
RADIUS, traceLayerMask, QueryTriggerInteraction.Ignore))
{
/* invalid position */
invalid_reticle.position = hitInfo.point;
invalid_reticle.rotation = Quaternion.LookRotation(hitInfo.normal) * Quaternion.Euler(90, 0, 0);
show_invalid = true;
}
else
{
/* valid position */
invalid_reticle.gameObject.SetActive(false);
destination_reticle.position = destination_position = hitInfo.point;
destination_valid = true;
}
}
invalid_reticle.gameObject.SetActive(show_invalid);
destination_reticle.gameObject.SetActive(destination_valid);
arc.SetColor(destination_valid ? validArcColor : invalidArcColor);
}
finally
{
Physics.queriesHitTriggers = saved;
}
}
else
{
active_controller = null;
arc.Hide();
invalid_reticle.gameObject.SetActive(false);
destination_reticle.gameObject.SetActive(false);
if (destination_valid)
{
StartTeleporting();
}
}
}