public void Touch(ContactData contact, int playerId)
{
if (playerId == turret.PlayerId)
{
turret.Active = true;
}
}
public void Touch(ContactData contact, int playerId)
{
upgrade.Apply();
// Hide the menu.
App.Instance.Model.Players[playerId].ShowMenu(false);
App.Instance.Model.Players[playerId].CanUpgrade = false;
}
public void Press(ContactData contact, int playerId)
{
if (playerId == turret.PlayerId)
{
contact.ContactUpdated += new EventHandler(Update);
turret.Active = false;
}
}
public void Release(ContactData contact, int playerId)
{
// Did the user change their mind? If not, do a regular Touch.
if (upgrade.InRegion(contact.Contact))
{
Touch(contact, playerId);
}
}
public void Release(ContactData contact, int playerId)
{
if (playerId == turret.PlayerId)
{
contact.ContactUpdated -= new EventHandler(Update);
turret.Active = true;
}
}
public void Touch(ContactData contact, int playerId)
{
MainGun p = App.Instance.Model.Players[playerId];
// Upgrade ready?
if (p.CanUpgrade && !p.UpgradeMenuShowing)
{
// Make upgrade menu appear.
p.ShowMenu(true);
}
else if (p.UpgradeMenuShowing)
{
p.ShowMenu(false);
}
}
public void Release(ContactData contact, int playerId)
{
MainGun p = App.Instance.Model.Players[playerId];
// Upgrade ready?
if (p.CanUpgrade && p.UpgradeMenuShowing)
{
// If contact is currently over one of the menu items, fire that
// item's Touch.
foreach (ITouchable option in App.Instance.Controller.Touchables)
{
if (option is Upgrade && ((Upgrade) option).UpgradeTarget == p && option.InRegion(contact.Contact))
{
option.Controller.Touch(contact, playerId);
break;
}
}
// Hide the menu.
p.ShowMenu(false);
}
}
protected void OnContactAdded(object sender, ContactData e)
{
if (e.Contact.IsTagRecognized)
{
AddPlayer(e);
}
else if (e.Contact.IsFingerRecognized)
{
foreach (ITouchable t in Touchables)
{
if (t.InRegion(e.Contact))
{
pendingPressed.Add(new TouchableContactPair(t, e));
}
}
}
}
public void ProcessContacts(GameTime gameTime, ReadOnlyContactCollection contacts)
{
TimeSpan now = gameTime.TotalRealTime;
// First process tags that are leaving.
Queue<ContactData> q = leavingTags;
ContactData current;
leavingTags = new Queue<ContactData>();
while (q.Count > 0)
{
current = q.Dequeue();
if (current.LastSeen + new TimeSpan(0, 0, 0, 1) < now)
{
if (ContactRemoved != null) ContactRemoved(this, current);
}
else
{
Contact returned = FindReturned(contacts, current);
if (returned != null)
{
current.Update(returned, now);
activeContacts.Add(current);
}
else
{
leavingTags.Enqueue(current);
}
}
}
// Now get current contacts.
foreach (Contact c in contacts)
{
bool found = false;
// Search the collection of active contacts to see if we already know about this one.
foreach (ContactData d in activeContacts)
{
if (c.Id == d.Contact.Id)
{
d.Update(c, now);
found = true;
break;
}
}
// Not found? It's a new contact, add it and notify event handlers.
if (!found)
{
ContactData d = new ContactData(c, now);
activeContacts.Add(d);
if (ContactAdded != null) ContactAdded(this, d);
}
}
// Now check to see if there are any that need removing - these will have an outdated LastSeen.
int length = activeContacts.Count;
for (int i = 0; i < length; i++)
{
ContactData d = activeContacts[i];
if (!d.LastSeen.Equals(now))
{
activeContacts.RemoveAt(i);
i--;
length--;
if (d.Contact.IsTagRecognized)
{
leavingTags.Enqueue(d);
}
else
{
if (ContactRemoved != null) ContactRemoved(this, d);
}
}
}
// Finally, check to see if anything in pendingPressed can be moved to pressed.
length = pendingPressed.Count;
for (int i = 0; i < length; i++)
{
TouchableContactPair p = pendingPressed[i];
if ((p.Contact.LastSeen - p.Contact.TimeAdded).TotalMilliseconds > 100 &&
p.Touchable.InRegion(p.Contact.Contact))
{
pressed.Add(p);
pendingPressed.RemoveAt(i);
i--;
length--;
int player = WhichPlayer(p.Contact);
if (player != -1)
{
p.Touchable.Controller.Press(p.Contact, player);
}
}
}
}
private Contact FindReturned(ReadOnlyContactCollection contacts, ContactData gone)
{
foreach (Contact c in contacts)
{
// Not a tag, or is already associated with a player.
if (!c.IsTagRecognized || GetPlayerIdByContact(c) != -1)
{
continue;
}
for (int i = 0; i < 4; i++)
{
if (playerTags[i] == gone.Contact.Id)
{
if (Vector2.Distance(new Vector2(c.CenterX, c.CenterY), gone.LastLocation) < 50)
{
playerTags[i] = c.Id;
return c;
}
return null;
}
}
}
return null;
}
/// <summary>
/// Of the active players, this method decides who was responsible for the given contact.
/// </summary>
/// <param name="c">The contact to check. Type should be tag or finger.</param>
/// <returns>The playerid of the most likely responsible active player. -1 if no such player exists.</returns>
private int WhichPlayer(ContactData c)
{
MainGun[] players = App.Instance.Model.Players;
int[] sortedPlayers = null;
int octant = (int) (4 * c.InitialOrientation / Math.PI);
switch (octant)
{
case 0: // WNW
sortedPlayers = new int[] { 3, 0, 2, 1 };
break;
case 1: // NNW
sortedPlayers = new int[] { 0, 3, 1, 2 };
break;
case 2: // NNE
sortedPlayers = new int[] { 0, 1, 3, 2 };
break;
case 3: // ENE
sortedPlayers = new int[] { 1, 0, 2, 3 };
break;
case 4: // ESE
sortedPlayers = new int[] { 1, 2, 0, 3 };
break;
case 5: // SSE
sortedPlayers = new int[] { 2, 1, 3, 0 };
break;
case 6: // SSW
sortedPlayers = new int[] { 2, 3, 1, 0 };
break;
case 7: // WSW
sortedPlayers = new int[] { 3, 2, 0, 1 };
break;
}
for (int i = 0; i < 4; i++)
{
if (players[sortedPlayers[i]].IsActive)
{
return sortedPlayers[i];
}
}
return -1;
}
public TouchableContactPair(ITouchable touchable, ContactData contact)
{
this.touchable = touchable;
this.contact = contact;
}
private void RemovePlayer(ContactData e)
{
for (int i = 0; i < 4; i++)
{
if (playerTags[i] == e.Contact.Id)
{
App.Instance.Model.PlayerLeave(i);
playerTags[i] = 0;
e.ContactUpdated -= new EventHandler(OnTagUpdated);
break;
}
}
}
private void AddPlayer(ContactData e)
{
BaseModel model = App.Instance.Model;
if (model.NumberOfPlayers < 4)
{
int newPlayer = WhichPlayer(new Vector2(e.Contact.CenterX, e.Contact.CenterY), false);
model.PlayerJoin(newPlayer);
playerTags[newPlayer] = e.Contact.Id;
e.ContactUpdated += new EventHandler(OnTagUpdated);
}
}
public void ProcessContacts(GameTime gameTime, ReadOnlyContactCollection contacts)
{
TimeSpan now = gameTime.TotalRealTime;
// First process tags that are leaving.
Queue <ContactData> q = leavingTags;
ContactData current;
leavingTags = new Queue <ContactData>();
while (q.Count > 0)
{
current = q.Dequeue();
if (current.LastSeen + new TimeSpan(0, 0, 0, 1) < now)
{
if (ContactRemoved != null)
{
ContactRemoved(this, current);
}
}
else
{
Contact returned = FindReturned(contacts, current);
if (returned != null)
{
current.Update(returned, now);
activeContacts.Add(current);
}
else
{
leavingTags.Enqueue(current);
}
}
}
// Now get current contacts.
foreach (Contact c in contacts)
{
bool found = false;
// Search the collection of active contacts to see if we already know about this one.
foreach (ContactData d in activeContacts)
{
if (c.Id == d.Contact.Id)
{
d.Update(c, now);
found = true;
break;
}
}
// Not found? It's a new contact, add it and notify event handlers.
if (!found)
{
ContactData d = new ContactData(c, now);
activeContacts.Add(d);
if (ContactAdded != null)
{
ContactAdded(this, d);
}
}
}
// Now check to see if there are any that need removing - these will have an outdated LastSeen.
int length = activeContacts.Count;
for (int i = 0; i < length; i++)
{
ContactData d = activeContacts[i];
if (!d.LastSeen.Equals(now))
{
activeContacts.RemoveAt(i);
i--;
length--;
if (d.Contact.IsTagRecognized)
{
leavingTags.Enqueue(d);
}
else
{
if (ContactRemoved != null)
{
ContactRemoved(this, d);
}
}
}
}
// Finally, check to see if anything in pendingPressed can be moved to pressed.
length = pendingPressed.Count;
for (int i = 0; i < length; i++)
{
TouchableContactPair p = pendingPressed[i];
if ((p.Contact.LastSeen - p.Contact.TimeAdded).TotalMilliseconds > 100 &&
p.Touchable.InRegion(p.Contact.Contact))
{
pressed.Add(p);
pendingPressed.RemoveAt(i);
i--;
length--;
int player = WhichPlayer(p.Contact);
if (player != -1)
{
p.Touchable.Controller.Press(p.Contact, player);
}
}
}
}
public TouchableContactPair(ITouchable touchable, ContactData contact)
{
this.touchable = touchable;
this.contact = contact;
}
public void Press(ContactData contact, int playerId)
{
Touch(contact, playerId);
}
public void Press(ContactData contact, int playerId)
{
Touch(contact, playerId);
}
protected void OnContactRemoved(object sender, ContactData e)
{
if (e.Contact.IsTagRecognized)
{
RemovePlayer(e);
}
else if (e.Contact.IsFingerRecognized)
{
foreach (TouchableContactPair p in pressed)
{
if (p.Contact == e)
{
int player = WhichPlayer(e);
if (player != -1)
{
p.Touchable.Controller.Release(e, player);
}
return;
}
}
int length = pendingPressed.Count;
for (int i = 0; i < length; i++)
{
if (pendingPressed[i].Contact == e)
{
if (pendingPressed[i].Touchable.InRegion(e.Contact))
{
int player = WhichPlayer(e);
if (player != -1)
{
pendingPressed[i].Touchable.Controller.Touch(e, player);
}
}
pendingPressed.RemoveAt(i);
return;
}
}
}
}
public void Press(ContactData contact, int playerId)
{
// Do nothing - the user might change their mind.
}
