public WorldNode(string name, WorldData data)
: base(name, 0)
{
Data = data;
}
private void Main_Load(object sender, EventArgs e)
{
simulationThread = new Thread(SimulationLoop);
simulationThread.Start();
{
var d = new WorldData();
d.Gravity = new Vec2(0, 10);
var node = new WorldNode("World", d);
treeView1.Nodes.Add(node);
node.Expand();
}
imageList1.Images.Add(Properties.Resources.world);
imageList1.Images.Add(Properties.Resources.circle);
imageList1.Images.Add(Properties.Resources.polygon);
imageList1.Images.Add(Properties.Resources.body);
treeView1.ImageList = imageList1;
}
public WorldData Deserialize(Stream stream)
{
XMLFragmentElement root = XMLFragmentParser.LoadFromStream(stream);
if (root.Name.ToLower() != "world")
throw new Exception();
WorldData data = new WorldData();
if (root.Attributes.Count == 0)
throw new Exception("No version");
else if (int.Parse(root.Attributes[0].Value) != WorldXmlSerializer.XmlVersion)
throw new Exception("Wrong version XML file");
data.Version = int.Parse(root.Attributes[0].Value);
foreach (var main in root.Elements)
{
switch (main.Name.ToLower())
{
case "gravity":
{
data.Gravity = ReadVector(main);
}
break;
case "shapes":
{
foreach (var n in main.Elements)
{
if (n.Name.ToLower() != "shape")
throw new Exception();
ShapeType type = (ShapeType)Enum.Parse(typeof(ShapeType), n.Attributes[0].Value, true);
string name = "";
switch (type)
{
case ShapeType.Circle:
{
CircleShape shape = new CircleShape();
foreach (var sn in n.Elements)
{
switch (sn.Name.ToLower())
{
case "name":
name = sn.Value;
break;
case "radius":
shape.Radius = float.Parse(sn.Value);
break;
case "position":
shape.Position = ReadVector(sn);
break;
default:
throw new Exception();
}
}
_shapes.Add(new ShapeSerialized(shape, name));
}
break;
case ShapeType.Polygon:
{
PolygonShape shape = new PolygonShape();
foreach (var sn in n.Elements)
{
switch (sn.Name.ToLower())
{
case "name":
name = sn.Value;
break;
case "vertices":
{
List<Vec2> verts = new List<Vec2>();
foreach (var vert in sn.Elements)
verts.Add(ReadVector(vert));
shape.Vertices = verts.ToArray();
}
break;
case "centroid":
shape.Centroid = ReadVector(sn);
break;
}
}
_shapes.Add(new ShapeSerialized(shape, name));
}
break;
}
}
}
break;
case "fixtures":
{
foreach (var n in main.Elements)
{
FixtureDef fixture = new FixtureDef();
if (n.Name.ToLower() != "fixture")
throw new Exception();
string name = "";
int id = 0;
foreach (var sn in n.Elements)
{
switch (sn.Name.ToLower())
{
case "name":
name = sn.Value;
break;
case "shape":
id = int.Parse(sn.Value);
break;
case "density":
fixture.Density = float.Parse(sn.Value);
break;
case "filterdata":
fixture.Filter = (FilterData)ReadSimpleType(sn, typeof(FilterData), true);
break;
case "friction":
fixture.Friction = float.Parse(sn.Value);
break;
case "issensor":
fixture.IsSensor = bool.Parse(sn.Value);
break;
case "restitution":
fixture.Restitution = float.Parse(sn.Value);
break;
case "userdata":
fixture.UserData = ReadSimpleType(sn, null, false);
break;
}
}
fixture.Shape = _shapes[id].Shape;
_fixtures.Add(new FixtureDefSerialized(fixture, id, name));
}
}
break;
case "bodies":
{
foreach (var n in main.Elements)
{
BodyDef body = new BodyDef();
if (n.Name.ToLower() != "body")
throw new Exception();
body.BodyType = (BodyType)Enum.Parse(typeof(BodyType), n.Attributes[0].Value, true);
List<int> fixtures = new List<int>();
string name = "";
foreach (var sn in n.Elements)
{
switch (sn.Name.ToLower())
{
case "name":
name = sn.Value;
break;
case "active":
body.Active = bool.Parse(sn.Value);
break;
case "allowsleep":
body.AllowSleep = bool.Parse(sn.Value);
break;
case "angle":
body.Angle = float.Parse(sn.Value);
break;
case "angulardamping":
body.AngularDamping = float.Parse(sn.Value);
break;
case "angularvelocity":
body.AngularVelocity = float.Parse(sn.Value);
break;
case "awake":
body.Awake = bool.Parse(sn.Value);
break;
case "bullet":
body.Bullet = bool.Parse(sn.Value);
break;
case "fixedrotation":
body.FixedRotation = bool.Parse(sn.Value);
break;
case "inertiascale":
body.InertiaScale = float.Parse(sn.Value);
break;
case "lineardamping":
body.LinearDamping = float.Parse(sn.Value);
break;
case "linearvelocity":
body.LinearVelocity = ReadVector(sn);
break;
case "position":
body.Position = ReadVector(sn);
break;
case "userdata":
body.UserData = ReadSimpleType(sn, null, false);
break;
case "fixtures":
{
foreach (var v in sn.Elements)
fixtures.Add(int.Parse(v.Value));
break;
}
}
}
_bodies.Add(new BodyDefSerialized(null, body, fixtures, name));
}
}
break;
case "joints":
{
foreach (var n in main.Elements)
{
JointDef mainDef = null;
if (n.Name.ToLower() != "joint")
throw new Exception();
JointType type = (JointType)Enum.Parse(typeof(JointType), n.Attributes[0].Value, true);
int bodyA = -1, bodyB = -1;
bool collideConnected = false;
object userData = null;
string name = "";
switch (type)
{
case JointType.Distance:
mainDef = new DistanceJointDef();
break;
case JointType.Friction:
mainDef = new FrictionJointDef();
break;
case JointType.Line:
mainDef = new LineJointDef();
break;
case JointType.Prismatic:
mainDef = new PrismaticJointDef();
break;
case JointType.Pulley:
mainDef = new PulleyJointDef();
break;
case JointType.Revolute:
mainDef = new RevoluteJointDef();
break;
case JointType.Weld:
mainDef = new WeldJointDef();
break;
default:
throw new Exception("Invalid or unsupported joint");
}
foreach (var sn in n.Elements)
{
// check for specific nodes
switch (type)
{
case JointType.Distance:
{
switch (sn.Name.ToLower())
{
case "dampingratio":
((DistanceJointDef)mainDef).DampingRatio = float.Parse(sn.Value);
break;
case "frequencyhz":
((DistanceJointDef)mainDef).FrequencyHz = float.Parse(sn.Value);
break;
case "length":
((DistanceJointDef)mainDef).Length = float.Parse(sn.Value);
break;
case "localanchora":
((DistanceJointDef)mainDef).LocalAnchorA = ReadVector(sn);
break;
case "localanchorb":
((DistanceJointDef)mainDef).LocalAnchorB = ReadVector(sn);
break;
}
}
break;
case JointType.Friction:
{
switch (sn.Name.ToLower())
{
case "localanchora":
((FrictionJointDef)mainDef).LocalAnchorA = ReadVector(sn);
break;
case "localanchorb":
((FrictionJointDef)mainDef).LocalAnchorB = ReadVector(sn);
break;
case "maxforce":
((FrictionJointDef)mainDef).MaxForce = float.Parse(sn.Value);
break;
case "maxtorque":
((FrictionJointDef)mainDef).MaxTorque = float.Parse(sn.Value);
break;
}
}
break;
case JointType.Line:
{
switch (sn.Name.ToLower())
{
case "enablelimit":
((LineJointDef)mainDef).EnableLimit = bool.Parse(sn.Value);
break;
case "enablemotor":
((LineJointDef)mainDef).EnableMotor = bool.Parse(sn.Value);
break;
case "localanchora":
((LineJointDef)mainDef).LocalAnchorA = ReadVector(sn);
break;
case "localanchorb":
((LineJointDef)mainDef).LocalAnchorB = ReadVector(sn);
break;
case "localaxisa":
((LineJointDef)mainDef).LocalAxisA = ReadVector(sn);
break;
case "maxmotorforce":
((LineJointDef)mainDef).MaxMotorForce = float.Parse(sn.Value);
break;
case "motorspeed":
((LineJointDef)mainDef).MotorSpeed = float.Parse(sn.Value);
break;
case "lowertranslation":
((LineJointDef)mainDef).LowerTranslation = float.Parse(sn.Value);
break;
case "uppertranslation":
((LineJointDef)mainDef).UpperTranslation = float.Parse(sn.Value);
break;
}
}
break;
case JointType.Prismatic:
{
switch (sn.Name.ToLower())
{
case "enablelimit":
((PrismaticJointDef)mainDef).EnableLimit = bool.Parse(sn.Value);
break;
case "enablemotor":
((PrismaticJointDef)mainDef).EnableMotor = bool.Parse(sn.Value);
break;
case "localanchora":
((PrismaticJointDef)mainDef).LocalAnchorA = ReadVector(sn);
break;
case "localanchorb":
((PrismaticJointDef)mainDef).LocalAnchorB = ReadVector(sn);
break;
case "localaxisa":
((PrismaticJointDef)mainDef).LocalAxis = ReadVector(sn);
break;
case "maxmotorforce":
((PrismaticJointDef)mainDef).MaxMotorForce = float.Parse(sn.Value);
break;
case "motorspeed":
((PrismaticJointDef)mainDef).MotorSpeed = float.Parse(sn.Value);
break;
case "lowertranslation":
((PrismaticJointDef)mainDef).LowerTranslation = float.Parse(sn.Value);
break;
case "uppertranslation":
((PrismaticJointDef)mainDef).UpperTranslation = float.Parse(sn.Value);
break;
case "referenceangle":
((PrismaticJointDef)mainDef).ReferenceAngle = float.Parse(sn.Value);
break;
}
}
break;
case JointType.Pulley:
{
switch (sn.Name.ToLower())
{
case "groundanchora":
((PulleyJointDef)mainDef).GroundAnchorA = ReadVector(sn);
break;
case "groundanchorb":
((PulleyJointDef)mainDef).GroundAnchorB = ReadVector(sn);
break;
case "lengtha":
((PulleyJointDef)mainDef).LengthA = float.Parse(sn.Value);
break;
case "lengthb":
((PulleyJointDef)mainDef).LengthB = float.Parse(sn.Value);
break;
case "localanchora":
((PulleyJointDef)mainDef).LocalAnchorA = ReadVector(sn);
break;
case "localanchorb":
((PulleyJointDef)mainDef).LocalAnchorB = ReadVector(sn);
break;
case "maxlengtha":
((PulleyJointDef)mainDef).MaxLengthA = float.Parse(sn.Value);
break;
case "maxlengthb":
((PulleyJointDef)mainDef).MaxLengthB = float.Parse(sn.Value);
break;
case "ratio":
((PulleyJointDef)mainDef).Ratio = float.Parse(sn.Value);
break;
}
}
break;
case JointType.Revolute:
{
switch (sn.Name.ToLower())
{
case "enablelimit":
((RevoluteJointDef)mainDef).EnableLimit = bool.Parse(sn.Value);
break;
case "enablemotor":
((RevoluteJointDef)mainDef).EnableMotor = bool.Parse(sn.Value);
break;
case "localanchora":
((RevoluteJointDef)mainDef).LocalAnchorA = ReadVector(sn);
break;
case "localanchorb":
((RevoluteJointDef)mainDef).LocalAnchorB = ReadVector(sn);
break;
case "maxmotortorque":
((RevoluteJointDef)mainDef).MaxMotorTorque = float.Parse(sn.Value);
break;
case "motorspeed":
((RevoluteJointDef)mainDef).MotorSpeed = float.Parse(sn.Value);
break;
case "lowerangle":
((RevoluteJointDef)mainDef).LowerAngle = float.Parse(sn.Value);
break;
case "upperangle":
((RevoluteJointDef)mainDef).UpperAngle = float.Parse(sn.Value);
break;
case "referenceangle":
((RevoluteJointDef)mainDef).ReferenceAngle = float.Parse(sn.Value);
break;
}
}
break;
case JointType.Weld:
{
switch (sn.Name.ToLower())
{
case "localanchora":
((WeldJointDef)mainDef).LocalAnchorA = ReadVector(sn);
break;
case "localanchorb":
((WeldJointDef)mainDef).LocalAnchorB = ReadVector(sn);
break;
}
}
break;
case JointType.Gear:
throw new Exception("Gear joint is unsupported");
}
switch (sn.Name.ToLower())
{
case "name":
name = sn.Value;
break;
case "bodya":
bodyA = int.Parse(sn.Value);
break;
case "bodyb":
bodyB = int.Parse(sn.Value);
break;
case "collideconnected":
collideConnected = bool.Parse(sn.Value);
break;
case "userdata":
userData = ReadSimpleType(sn, null, false);
break;
}
}
mainDef.CollideConnected = collideConnected;
mainDef.UserData = userData;
_joints.Add(new JointDefSerialized(mainDef, bodyA, bodyB, name));
}
}
break;
}
}
return data;
}
