/// <summary>
/// Calculate the pathfinding for the gesture
/// </summary>
public static NavNode CalculatePath(Vector3 from, Gesture.Gesture gesture)
{
if (EventSystem.current.IsPointerOverGameObject(-1) || EventSystem.current.IsPointerOverGameObject(0))
{
return(null);
}
Ray ray = new Ray(from, Vector3.down);
RaycastHit startHit = default(RaycastHit);
if (Physics.Raycast(ray, out startHit, RAY_LENGTH, 1 << TERRAIN_LAYERMASK))
{
//Gets the player position on the grid
if (startHit.collider.name == MobileAI.Instance.m_navMesh.name)
{
gesture.cellsHitten.Insert(0, startHit.triangleIndex);
}
else
{
return(null);
}
}
//Store the last node path
NavNode path = MobileAI.Instance.m_navMesh.PathFinding(gesture.cellsHitten[0], gesture.cellsHitten[1] << 1);
for (int index = 1; index < gesture.cellsHitten.Count - 1;)
{
NavNode tmp = null;
int tmpIndex = index;
//Since the player may have clicked outside the bound area or over an object,
//this code assured a path between the last valid location and the final location
while (tmp == null)
{
if (++tmpIndex >= gesture.cellsHitten.Count)
{
break;
}
tmp = MobileAI.Instance.m_navMesh.PathFinding(gesture.cellsHitten[index] << 1, gesture.cellsHitten[tmpIndex] << 1);
}
//If the algorithm found a possible path, then concatenate it
if (tmp != null)
{
path = NavNode.Concatenate(path, tmp);
}
//Skip all the invalid index.
index = tmpIndex;
}
return(path);
}
/// <summary>
/// Method called whenever a registered input happens
/// </summary>
public void ValidGesture(Gesture info)
{
info.valid = 'y';
}
/// <summary>
/// Method called whenever an unregistered input happens
/// </summary>
public void InvalidGesture(Gesture info)
{
info.valid = 'n';
}
/// <summary>
/// Updates the Gesture Manager
/// </summary>
public void Update()
{
//Get the information about the touches happening on the screen
if (Input.touchCount > 0)
{
foreach (Touch touch in Input.touches)
{
Gesture gesture;
//If it is within the list count, get the positional gesture
if (touch.fingerId < m_gestures.Count)
{
gesture = m_gestures[touch.fingerId];
}
else
{
gesture = new Gesture();
gesture.cellsHitten = new List <int>();
}
//Set the gesture parameters
gesture.fingerId = touch.fingerId;
gesture.position = touch.position;
gesture.deltaPosition += new Vector3(touch.deltaPosition.x, touch.deltaPosition.y);
gesture.deltaTime += Time.deltaTime;
gesture.gameTime = Time.time;
gesture.details = string.Empty;
gesture.ended = touch.phase == TouchPhase.Ended || touch.phase == TouchPhase.Canceled;
if (touch.fingerId < m_gestures.Count)
{
m_gestures[touch.fingerId] = gesture;
}
else
{
m_gestures.Add(gesture);
}
}
}
else
{
Gesture gesture;
if (m_gestures.Count == 0 && Input.GetMouseButtonDown(0))
{
gesture = new Gesture();
gesture.fingerId = 0;
gesture.phase = GestureType.Tap;
gesture.position = Input.mousePosition;
gesture.deltaPosition = Vector3.zero;
gesture.cellsHitten = new List <int>();
gesture.deltaTime = 0;
gesture.gameTime = Time.time;
gesture.details = string.Empty;
gesture.ended = false;
m_gestures.Add(gesture);
}
else if (m_gestures.Count == 1)
{
gesture = m_gestures[0];
gesture.deltaPosition = Input.mousePosition - gesture.position;
gesture.position = Input.mousePosition;
gesture.deltaTime += Time.deltaTime;
if (Input.GetMouseButtonUp(0))
{
gesture.ended = true;
}
m_gestures[0] = gesture;
}
}
//Updates the gestures information and rise the events
for (int i = 0; i < m_gestures.Count; ++i)
{
Gesture currentGesture = m_gestures[i];
if (currentGesture.phase == GestureType.Released)
{
continue;
}
//Check if the gesture is in a cell. If so, add the cell to the list only if the cell is not the current one.
int triangleId = MobileAI.GetTriangleID(currentGesture.position) >> 1;
if (triangleId != -1)
{
if (currentGesture.cellsHitten.Count == 0)
{
currentGesture.cellsHitten.Add(triangleId);
}
else
{
if (triangleId != currentGesture.cellsHitten[currentGesture.cellsHitten.Count - 1])
{
currentGesture.cellsHitten.Add(triangleId);
}
}
}
//Check if the drag or hold event has to be fired
if (currentGesture.phase != GestureType.Drag)
{
//Consider the finger position
if (currentGesture.deltaPosition.magnitude >= DRAG_THRESHOLD)
{
currentGesture.phase = GestureType.Drag;
if (OnDrag != null)
{
OnDrag(currentGesture);
}
else if (OnInvalidGesture != null)
{
OnInvalidGesture(currentGesture);
}
m_log.Add(currentGesture);
//Add the trail for the finger
if (m_debugTrail)
{
if (m_trailPrefab == null)
{
PrefabTrail();
}
GameObject trail = (GameObject)GameObject.Instantiate(m_trailPrefab, currentGesture.position, Quaternion.identity);
m_trails.Add(currentGesture.fingerId, trail);
}
Debug.Log("Drag");
}
else if (currentGesture.deltaTime >= CONSIDER_HOLD_AFTER && currentGesture.phase != GestureType.Hold)
{
currentGesture.phase = GestureType.Hold;
if (OnHold != null)
{
OnHold(currentGesture);
if (OnValidGesture != null)
{
OnValidGesture(currentGesture);
}
}
else if (OnInvalidGesture != null)
{
OnInvalidGesture(currentGesture);
}
m_log.Add(currentGesture);
Debug.Log("Hold");
}
}
else if (m_debugTrail)
{
//m_trailRenderer.transform.position = currentGesture.position;
//Update the trial for the dragged finger
if (MobileAI.Instance.TargetCamera)
{
Vector3 trailPosition = MobileAI.Instance.TargetCamera.ScreenToWorldPoint(currentGesture.position); //new Vector3(currentGesture.position.x, 0, currentGesture.position.y));
trailPosition.y -= 10;
if (m_trails.ContainsKey(currentGesture.fingerId) != false)
{
m_trails[currentGesture.fingerId].transform.position = trailPosition;
}
}
}
//The input state change
if (currentGesture.ended)
{
if (currentGesture.phase == GestureType.Tap)
{
if (OnTap != null)
{
OnTap(currentGesture);
if (OnValidGesture != null)
{
OnValidGesture(currentGesture);
}
}
else if (OnInvalidGesture != null)
{
OnInvalidGesture(currentGesture);
}
m_log.Add(currentGesture);
Debug.Log("Click");
}
else
{
if (currentGesture.phase == GestureType.Drag && currentGesture.deltaTime < SWIPE_TIME_THRESHOLD)
{
if (OnSwipe != null)
{
OnSwipe(currentGesture);
if (OnValidGesture != null)
{
OnValidGesture(currentGesture);
}
}
else if (OnInvalidGesture != null)
{
OnInvalidGesture(currentGesture);
}
m_log.Add(currentGesture);
Debug.Log("Swipe");
}
else
{
if (currentGesture.phase != GestureType.Hold)
{
if (OnRelease != null)
{
OnRelease(currentGesture);
if (OnValidGesture != null)
{
OnValidGesture(currentGesture);
}
}
else if (OnInvalidGesture != null)
{
OnInvalidGesture(currentGesture);
}
m_log.Add(currentGesture);
Debug.Log("Release");
}
}
}
//Remove the current gesture and continue
//currentGesture.phase = GestureType.Released;
currentGesture.ended = true;
}
m_gestures[i] = currentGesture;
}
//Iterate the gesture list backwards to eliminate the resolved touch information
for (int i = m_gestures.Count - 1; i >= 0; --i)
{
if (m_gestures[i].ended)
{
m_gestures.RemoveAt(i);
if (m_trails.ContainsKey(i) && m_debugTrail)
{
GameObject.Destroy(m_trails[i], 1);
m_trails.Remove(i);
}
}
else
{
break;
}
}
}
