ControllerTracker HandleButtonDown(EControllerButton btn, EEventSet event_set)
{
if ((bitmask_buttons_down & (1U << (int)btn)) == 0)
{
return(null); /* not actually pressing this button */
}
ControllerTracker tracker = FindHandler(event_set);
if (tracker != null)
{
if (tracker == tracker_hover && btn != EControllerButton.Menu)
{
tracker_hover_lock |= 1U << (int)btn;
}
ControllerEvent ev = null;
switch (btn)
{
case EControllerButton.Trigger: ev = tracker._i_onTriggerDown; break;
case EControllerButton.Grip: ev = tracker._i_onGripDown; break;
case EControllerButton.Menu: ev = tracker._i_onMenuClick; break;
}
tracker._Call(ev, this);
}
return(tracker);
}
public void PickIfBetter(float priority, ref ControllerTracker current_best, ref float current_best_priority)
{
if (priority > current_best_priority ||
(priority == current_best_priority && creation_order > current_best.creation_order))
{
current_best_priority = priority;
current_best = this;
}
}
void LeaveNow()
{
ControllerTracker prev = tracker_hover;
tracker_hover = null;
tracker_hover_lock = 0;
prev._Call(prev._i_onLeave, this);
SetPointer("");
}
void CallEnterEvents()
{
if (tracker_hover_next == null)
{
return;
}
if (tracker_hover == null)
{
tracker_hover = tracker_hover_next;
tracker_hover._Call(tracker_hover._i_onEnter, this);
}
Debug.Assert(tracker_hover == tracker_hover_next);
}
public void ForceLeave(ControllerTracker single_tracker = null)
{
if (active_trigger != null && (single_tracker == null || single_tracker == active_trigger))
{
DeactivateTrigger();
}
if (active_grip != null && (single_tracker == null || single_tracker == active_grip))
{
DeactivateGrip();
}
if (active_touchpad != null && (single_tracker == null || single_tracker == active_touchpad))
{
DeactivateTouchpad();
}
if (tracker_hover != null && (single_tracker == null || single_tracker == tracker_hover))
{
LeaveNow();
}
}
static ControllerTracker GetOrBuildTracker(MonoBehaviour tracker, bool is_hover)
{
Baroque._EnsureStarted();
ControllerTracker ct;
var these_trackers = is_hover ? hover_trackers : global_trackers;
if (!these_trackers.TryGetValue(tracker, out ct))
{
ct = new ControllerTracker(tracker, is_hover);
these_trackers[tracker] = ct;
}
if (--auto_free_trackers <= 0)
{
hover_trackers = RemoveDeadTrackers(hover_trackers);
global_trackers = RemoveDeadTrackers(global_trackers);
auto_free_trackers = (hover_trackers.Count + global_trackers.Count) / 2 + 16;
}
return(ct);
}
ControllerTracker FindHandler(EEventSet event_set)
{
/* returns either tracker_hover or a global tracker, but one
* that can handle the event_set. */
if (tracker_hover != null && (tracker_hover._event_sets & event_set) != 0)
{
return(tracker_hover);
}
else
{
/* look for global trackers */
ControllerTracker best = null;
float best_priority = float.NegativeInfinity;
foreach (var ct in global_trackers.Values)
{
if ((ct._event_sets & event_set) != 0 && ct.isActiveAndEnabled)
{
float priority = ct.computePriority(this);
if (priority != float.NegativeInfinity)
{
ct.PickIfBetter(priority, ref best, ref best_priority);
}
}
}
/* If it's a non-concurrent tracker and it is used by the other controller, cancel */
if (best != null && !best.isConcurrent)
{
foreach (var ctrl in Baroque.GetControllers())
{
if (ctrl != this && ctrl.ActiveWith(best))
{
return(null);
}
}
}
return(best);
}
}
bool ActiveWith(ControllerTracker ct)
{
return(ct == tracker_hover || ct == active_trigger || ct == active_grip || ct == active_touchpad);
}
static void ResolveControllerConflicts(Controller[] controllers)
{
Debug.Assert(controllers.Length == 2); /* for now, always exactly two */
Controller left_ctrl = controllers[0];
Controller right_ctrl = controllers[1];
ControllerTracker tracker = left_ctrl.tracker_hover_next;
if (tracker != null && tracker == right_ctrl.tracker_hover_next && !tracker.isConcurrent)
{
/* conflict: both controllers are inside the zone corresponding to
* the same, non-Concurrent, ControllerTracker */
Controller forced_out;
/* Heuristics, but will never pick whoever has got 'tracker_hover_lock & MANUAL_LOCK' */
if ((right_ctrl.tracker_hover_lock & MANUAL_LOCK) != 0)
{
forced_out = left_ctrl;
}
else if (left_ctrl.tracker_hover_lock != 0)
{
forced_out = right_ctrl;
}
else if (right_ctrl.tracker_hover_lock != 0)
{
forced_out = left_ctrl;
}
else if (right_ctrl.IsClickingNow())
{
forced_out = left_ctrl;
}
else if (left_ctrl.IsClickingNow())
{
forced_out = right_ctrl;
}
else if (right_ctrl.tracker_hover_next_priority > left_ctrl.tracker_hover_next_priority)
{
forced_out = left_ctrl;
}
else if (right_ctrl.tracker_hover_next_priority < left_ctrl.tracker_hover_next_priority)
{
forced_out = right_ctrl;
}
else if (left_ctrl.touchpadTouched)
{
forced_out = right_ctrl;
}
else
{
forced_out = left_ctrl;
}
/* Force one of the controllers "out" of the zone, and force a button deactivation if needed.
* In principle, afterwards, it is not possible that the tracker remains locked for both
* controllers, because tracker_hover_lock == MANUAL_LOCK can only be set if the tracker is
* the current hover in the first place and this tracker cannot be current for both. */
if (forced_out.active_trigger == tracker)
{
forced_out.DeactivateTrigger();
}
if (forced_out.active_grip == tracker)
{
forced_out.DeactivateGrip();
}
if (forced_out.active_touchpad == tracker)
{
forced_out.DeactivateTouchpad();
}
forced_out.tracker_hover_next = null;
}
}
void ReadControllerState()
{
/* Updates the state fields; updates 'is_tracking' and 'bitmask_buttons';
* /* may cause un-grabbing (deactivating) of buttons and so 'active_*' may be reset to null;
* sets 'tracker_hover_next'.
*/
if (!GetControllerState(ref controllerState))
{
bitmask_buttons = 0;
bitmask_buttons_down = 0;
is_tracking_active = false;
tracker_hover_next = null;
tracker_hover_lock = 0;
ResetVelocityEstimates();
}
else
{
/* read the button state */
uint prev_bitmask_buttons = bitmask_buttons;
bool trigclick = (controllerState.rAxis1.x > 0.999f); /* == 1.0: the controller fully 'clicked' */
ulong trigger = controllerState.ulButtonPressed & (1UL << ((int)EVRButtonId.k_EButton_SteamVR_Trigger));
ulong pad = controllerState.ulButtonPressed & (1UL << ((int)EVRButtonId.k_EButton_SteamVR_Touchpad));
ulong padtouch = controllerState.ulButtonTouched & (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));
/* the bit at 0x400000U means that the trigger was fully clicked during the
* previous frame. If the bit is set but we are not fully clicking any more,
* then we consider the trigger to be already released even if trigger != 0
* right now (i.e. the trigger is still pressed a lot, just not fully any more).
*/
if ((bitmask_buttons & 0x400000U) != 0 && !trigclick && trigger != 0)
{
trigclick = true; /* keep the 0x400000U bit as long as we get trigger != 0 */
trigger = 0;
}
uint b = 0;
if (menu != 0)
{
b |= (1U << (int)EControllerButton.Menu);
}
if (grip != 0)
{
b |= (1U << (int)EControllerButton.Grip);
}
if (pad != 0)
{
b |= (1U << (int)EControllerButton.Touchpad);
}
if (trigger != 0)
{
b |= (1U << (int)EControllerButton.Trigger);
}
if (padtouch != 0)
{
b |= (1U << (int)EControllerButton.TouchpadTouched);
}
if (trigclick)
{
b |= 0x400000U;
}
bitmask_buttons = b;
bitmask_buttons_down = bitmask_buttons & ~prev_bitmask_buttons;
/* ignore trigger click when grip is down and vice-versa */
if (grip != 0)
{
bitmask_buttons_down &= ~(1U << (int)EControllerButton.Trigger);
}
if (trigger != 0)
{
bitmask_buttons_down &= ~(1U << (int)EControllerButton.Grip);
}
if (!is_tracking_active)
{
bitmask_buttons_down = 0;
is_tracking_active = true;
}
}
/* un-grab */
if (active_trigger != null && !triggerPressed)
{
DeactivateTrigger();
}
if (active_grip != null && !gripPressed)
{
DeactivateGrip();
}
if (active_touchpad != null &&
(!touchpadTouched || (active_touchpad_state == ActiveTouchpadState.Action1 && !touchpadPressed)))
{
DeactivateTouchpad();
}
if (is_tracking_active)
{
/* read the position and rotation, and update the velocity estimates */
current_position = ComputePosition();
current_rotation = transform.rotation;
UpdateVelocityEstimates();
/* find the next BaseControllerTracker at that position, taking the highest
* priority one. */
var potential = new HashSet <Transform>();
foreach (var coll in GetOverlappingColliders(current_position))
{
Transform tr = coll.transform;
while (tr != null)
{
if (!potential.Add(tr))
{
break; /* already in the set */
}
tr = tr.parent;
}
}
float best_priority = float.NegativeInfinity;
ControllerTracker best = null;
overlapping_trackers.Clear(); /* should already be cleared, but better safe than sorry */
foreach (Transform tr in potential)
{
foreach (var tracker in tr.GetComponents <MonoBehaviour>())
{
ControllerTracker ct;
if (tracker == null || !hover_trackers.TryGetValue(tracker, out ct))
{
continue;
}
float priority = ct.computePriority(this);
if (priority == float.NegativeInfinity)
{
continue;
}
overlapping_trackers[ct] = priority;
ct.PickIfBetter(priority, ref best, ref best_priority);
}
}
/* If tracker_hover_lock is set, we keep tracker_hover.
* We still do the loop above in order to get 'overlapping_trackers'.
*/
if (tracker_hover_lock != 0)
{
Debug.Assert(tracker_hover != null);
tracker_hover_next = tracker_hover;
tracker_hover_next_priority = float.PositiveInfinity;
}
else
{
tracker_hover_next = best;
tracker_hover_next_priority = best_priority;
}
}
}
void CallButtonDown()
{
const float TOUCHPAD_CLICK_TIME = 0.25f;
const EEventSet TouchpadAll = (EEventSet.TouchpadAction1 |
EEventSet.TouchpadAction2 |
EEventSet.TouchpadAction3);
if (bitmask_buttons_down != 0)
{
if (active_trigger == null)
{
active_trigger = HandleButtonDown(EControllerButton.Trigger, EEventSet.Trigger);
}
if (active_grip == null)
{
active_grip = HandleButtonDown(EControllerButton.Grip, EEventSet.Grip);
}
HandleButtonDown(EControllerButton.Menu, EEventSet.Menu);
/* == Handle the touchpad == */
if ((bitmask_buttons_down & (1U << (int)EControllerButton.TouchpadTouched)) != 0)
{
/* starting to touch: the only case is "released" => "small delay" */
touch_original_pos2 = touchpadPosition;
if (active_touchpad_state == ActiveTouchpadState.None)
{
Debug.Assert(active_touchpad == null);
active_touchpad = FindHandler(TouchpadAll);
if (active_touchpad != null)
{
if (active_touchpad == tracker_hover)
{
tracker_hover_lock |= 1U << (int)EControllerButton.Touchpad;
}
EEventSet es = active_touchpad._event_sets;
int count = ((es & EEventSet.TouchpadAction1) != 0 ? 1 : 0) +
((es & EEventSet.TouchpadAction2) != 0 ? 1 : 0) +
((es & EEventSet.TouchpadAction3) != 0 ? 1 : 0);
float delay = count >= 2 ? TOUCHPAD_CLICK_TIME : 1e-20f;
active_touchpad_state = ActiveTouchpadState.SmallDelay;
active_touchpad_timeout = GetTime() + delay;
touch_original_pos3 = position;
}
}
}
if ((bitmask_buttons_down & (1U << (int)EControllerButton.Touchpad)) != 0)
{
/* pressing: goes to "action 1" if the tracker handles it */
ControllerTracker cs = active_touchpad;
if (cs == null)
{
cs = HandleButtonDown(EControllerButton.Touchpad, EEventSet.TouchpadAction1);
}
if (cs != null && (cs._event_sets & EEventSet.TouchpadAction1) != 0)
{
StopTouchpadAction();
active_touchpad_state = ActiveTouchpadState.Action1;
active_touchpad = cs;
active_touchpad._Call(active_touchpad._i_onTouchPressDown, this);
}
}
}
/* == More touchpad handling == */
if (touchpadTouched)
{
if (active_touchpad_state == ActiveTouchpadState.None || active_touchpad_state == ActiveTouchpadState.SmallDelay)
{
const float TOUCHPAD_SCROLL_DISTANCE = 0.22f;
const float TOUCHPAD_DRAG_SPACE_DISTANCE = 0.08f;
ControllerTracker cs = active_touchpad;
if (cs == null)
{
cs = FindHandler(EEventSet.TouchpadAction2 | EEventSet.TouchpadAction3);
}
if (cs != null)
{
if ((cs._event_sets & EEventSet.TouchpadAction2) != 0)
{
/* detect finger movement */
if (Vector2.Distance(touch_original_pos2, touchpadPosition) > TOUCHPAD_SCROLL_DISTANCE)
{
active_touchpad_timeout = 0;
active_touchpad_state = ActiveTouchpadState.Action2;
active_touchpad = cs;
if (active_touchpad == tracker_hover)
{
tracker_hover_lock |= 1U << (int)EControllerButton.Touchpad;
}
scrollWheelVisible |= SWV_SCROLLING;
UpdateScrollWheel();
}
}
if (active_touchpad_state == ActiveTouchpadState.SmallDelay && (cs._event_sets & EEventSet.TouchpadAction3) != 0)
{
/* detect timeout or controller movement from the "small delay" state */
if (active_touchpad_timeout <= GetTime() ||
Vector3.Distance(touch_original_pos3, position) > TOUCHPAD_DRAG_SPACE_DISTANCE)
{
Vector3 saved = current_position;
active_touchpad_state = ActiveTouchpadState.Action3;
active_touchpad = cs;
current_position = touch_original_pos3;
active_touchpad._Call(active_touchpad._i_onTouchDown, this);
current_position = saved;
}
}
}
}
}
}