public override void Initialize()
{
Parent.OnMove += OnMove;
physicsManager = GameServiceManager.GetService <IPhysicsManager>();
foreach (var body in Bodies.Values)
{
body.Position = ConvertUnits.ToSimUnits(Parent.Position + ((FarseerUserData)body.UserData).Offset) -
((FarseerUserData)body.UserData).TopLeftOffset;
body.Enabled = true;
}
physicsManager.PhysicsWorld.Step(0.000001f);
foreach (var joint in copyJoints)
{
var data = joint.Value.UserData as FarseerJointUserData;
var bodyA = !string.IsNullOrWhiteSpace(data.BodyAName) &&
Bodies.ContainsKey(data.BodyAName)
? Bodies[data.BodyAName]
: null;
var bodyB = !string.IsNullOrWhiteSpace(data.BodyBName) &&
Bodies.ContainsKey(data.BodyBName)
? Bodies[data.BodyBName]
: null;
var newJoint = FarseerDeserialization.CopyJoint(joint.Value, bodyA, bodyB, physicsManager.PhysicsWorld);
physicsManager.PhysicsWorld.AddJoint(newJoint);
Joints.Add(joint.Key, newJoint);
}
copyJoints.Clear();
base.Initialize();
}
public override void Deserialize(XElement element)
{
IPhysicsManager physicsManager = GameServiceManager.GetService <IPhysicsManager>();
if (physicsManager != null && element != null)
{
//Read in the max velocity value.
float maxVelocity = float.PositiveInfinity;
if (element.Element("maxVelocity") != null)
{
float.TryParse(element.Element("maxVelocity").Value, NumberStyles.Float, CultureInfo.InvariantCulture, out maxVelocity);
}
MaxVelocity = ConvertUnits.ToSimUnits(maxVelocity);
if (element.Element("bodies") != null)
{
Bodies = FarseerDeserialization.DeserializeBodies(element.Element("bodies"), physicsManager, this);
}
//Record the primary body
primaryBody = GetPrimaryBody();
foreach (var body in Bodies.Values)
{
body.Enabled = false;
body.Position = new Vector2(-10f, -10f);
}
//A single-body physics component only supports joints that require only a single body (for obvious reasons...)
//But we'll expect the FarseerDeserialization class to handle any user error with this.
if (element.Element("joints") != null)
{
this.Joints = FarseerDeserialization.DeserializeJoints(Parent, element.Element("joints"),
physicsManager, Bodies);
}
}
}