public void ChangeScreen(int BalloonID, Screen newScreen)
{
lock(m_bubbles)
{
ServerBalloon b = GetBubble(BalloonID);
b.Screen = newScreen;
}
}
private int ScreenIndex(Screen s)
{
lock(m_screens) {
int i = 0;
foreach(Screen v in m_screens) {
if(s.ID == v.ID) {
return i;
}
i++;
}
return -1;
}
}
private bool HandleScreenConnected(ConnectedMessage msg)
{
int screenID = m_nextScreenID++;
Screen screen = new Screen("Screen-" + screenID, screenID, msg.Connection, this);
m_screens.Add( screen);
lock(m_bubbles)
{
for(int i = 0; i < ServerBalloon.NewBalloonsForScreen; i++)
{
// Create a new balloon for the screen
ServerBalloon b = CreateBalloon();
Direction dir;
float y;
Vector2D velocity;
if((b.ID % 2) == 0)
{
dir = Direction.Left;
velocity = ServerBalloon.VelocityRight;
y = 0.2f;
}
else
{
dir = Direction.Right;
velocity = ServerBalloon.VelocityLeft;
y = 0.1f;
}
screen.EnqueueMessage(new NewBalloonMessage(b.ID, dir, y, velocity), this);
}
}
return true;
}
private Screen GetPreviousScreen(Screen s)
{
int screen_idx = ScreenIndex(s);
if(screen_idx == -1)
return null;
screen_idx = screen_idx != 0 ? screen_idx - 1 : m_screens.Count -1;
return m_screens[screen_idx];
}
private Screen GetNextScreen(Screen s)
{
int screen_idx = ScreenIndex(s);
if(screen_idx == -1)
return null;
screen_idx = screen_idx != m_screens.Count - 1 ? screen_idx + 1 : 0;
return m_screens[screen_idx];
}
private Screen ChooseNewScreen(Screen oldScreen, Direction direction)
{
lock(m_screens) {
if(direction == Direction.Left) {
return GetPreviousScreen(oldScreen);
} else if(direction == Direction.Right) {
return GetNextScreen(oldScreen);
} else {
return null;
}
}
}
private bool HandleScreenConnected(ConnectedMessage msg)
{
int screenID = m_nextScreenID++;
ScreenConnection conn = new ScreenConnection(m_queue, msg.Connection);
Screen screen = new Screen(screenID, conn);
conn.Sender = screen;
conn.StartReceivingMessages();
m_screens.Add(screen);
Trace.WriteLine(String.Format("Screen connected: {0}", screenID));
m_feed.Refresh();
return true;
}