/// <summary>
/// Initialize the world with the data from the WorldSetup packet.
/// </summary>
/// <param name="packetReader">The packet reader with the world data.</param>
public void Initialize()
{
// reset the game status
gameWon = false;
winnerIndex = -1;
gameExited = false;
// initialize the ships with the data from the packet
for (int i = 0; i < MaximumPlayers; i++)
{
// read each of the positions
Vector2 position = packetReader.ReadVector2();
// use the position value if we know of that many players
if (i < networkSession.AllGamers.Count)
{
PlayerData playerData = networkSession.AllGamers[i].Tag
as PlayerData;
if ((playerData != null) && (playerData.Ship != null))
{
// initialize the ship with the provided position
playerData.Ship.Position = position;
playerData.Ship.Score = 0;
playerData.Ship.Initialize();
}
}
}
// initialize the ships with the data from the packet
for (int i = 0; i < asteroids.Length; i++)
{
float radius = packetReader.ReadSingle();
if (asteroids[i] == null)
{
asteroids[i] = new Asteroid(radius);
}
asteroids[i].Variation = packetReader.ReadInt32();
asteroids[i].Position = packetReader.ReadVector2();
asteroids[i].Initialize();
asteroids[i].Velocity = packetReader.ReadVector2();
}
// set the initialized state
initialized = true;
}
/// <summary>
/// Generate the initial state of the game, and send it to everyone.
/// </summary>
public void GenerateWorld()
{
if ((networkSession != null) && (networkSession.LocalGamers.Count > 0))
{
// write the identification value
packetWriter.Write((int)PacketTypes.WorldSetup);
// place the ships
// -- we always write the maximum number of players, making the packet
// predictable, in case the player count changes on the client before
// this packet is received
for (int i = 0; i < MaximumPlayers; i++)
{
Vector2 position = Vector2.Zero;
if (i < networkSession.AllGamers.Count)
{
PlayerData playerData = networkSession.AllGamers[i].Tag
as PlayerData;
if ((playerData != null) && (playerData.Ship != null))
{
playerData.Ship.Initialize();
position = playerData.Ship.Position =
CollisionManager.FindSpawnPoint(playerData.Ship,
playerData.Ship.Radius * 5f);
playerData.Ship.Score = 0;
}
}
// write the ship position
packetWriter.Write(position);
}
// place the asteroids
// -- for simplicity, the same number of asteroids is always the same
for (int i = 0; i < asteroids.Length; i++)
{
// choose one of three radii
float radius = 32f;
switch (RandomMath.Random.Next(3))
{
case 0:
radius = 32f;
break;
case 1:
radius = 60f;
break;
case 2:
radius = 96f;
break;
}
// create the asteroid
asteroids[i] = new Asteroid(radius);
// write the radius
packetWriter.Write(asteroids[i].Radius);
// choose a variation
asteroids[i].Variation = i % Asteroid.Variations;
// write the variation
packetWriter.Write(asteroids[i].Variation);
// initialize the asteroid and it's starting position
asteroids[i].Initialize();
asteroids[i].Position =
CollisionManager.FindSpawnPoint(asteroids[i],
asteroids[i].Radius);
// write the starting position and velocity
packetWriter.Write(asteroids[i].Position);
packetWriter.Write(asteroids[i].Velocity);
}
// send the packet to everyone
networkSession.LocalGamers[0].SendData(packetWriter,
SendDataOptions.ReliableInOrder);
}
}
