public static Dictionary <string, BodyTemplate> LoadBodies(string xml)
{
Dictionary <string, BodyTemplate> results = new Dictionary <string, BodyTemplate>();
XDocument bodyXml = XDocument.Parse(xml);
float ptm = 1f / (float)Convert.ToDouble(bodyXml.XPathSelectElement("bodydef/metadata/ptm_ratio").Value);
World world = new World();
var xmlBodies = bodyXml.XPathSelectElements("bodydef/bodies/body");
foreach (var xmlBody in xmlBodies)
{
var bodyName = xmlBody.Attribute("name").Value;
BodyTemplate body = new BodyTemplate();
results.Add(bodyName, body);
var xmlFixtures = xmlBody.XPathSelectElements("fixtures/fixture");
foreach (var xmlFixture in xmlFixtures)
{
float density = (float)Convert.ToDouble(xmlFixture.XPathSelectElement("density").Value);
var xmlPolygons = xmlFixture.XPathSelectElements("polygons/polygon");
foreach (var xmlPolygon in xmlPolygons)
{
Vertices vertices = new Vertices();
List <float> values = xmlPolygon.Value.Split(',')
.Select(x => (float)Convert.ToDouble(x.Trim())).ToList();
for (int i = 0; i < values.Count; i += 2)
{
vertices.Add(new Vector2(values[i], values[i + 1]) * ptm);
}
PolygonShape polygon = new PolygonShape(vertices, density);
FixtureTemplate fixture = new FixtureTemplate();
fixture.Shape = polygon;
body.Fixtures.Add(fixture);
body.Mass = 1;
}
}
var actualBody = body.Create(world);
actualBody.BodyType = BodyType.Dynamic;
foreach (var fixture in body.Fixtures)
{
var polygon = (PolygonShape)fixture.Shape;
polygon.Vertices.Translate(-actualBody.LocalCenter);
}
}
return(results);
}
public CastRef <PhysicsObject> SetupPhysicsObject(PhysicsObject physicsObject, BodyTemplate bodyTemplate)
{
var body = bodyTemplate.Create(physicsWorld);
body.BodyType = BodyType.Dynamic;
body.SleepingAllowed = false;
physicsObject.Body = body;
var entityRef = SetupGameObject(physicsObject);
var poRef = new CastRef <PhysicsObject>(entityRef);
poRef.EntityRef.RegisterRemovedCallback(PhysicsObjectDestroyed);
physicsObjects.Add(poRef);
return(poRef);
}
