public override async Task Stream(
IAsyncStreamReader <ClientEvent> requestStream,
IServerStreamWriter <ServerEvent> responseStream,
ServerCallContext context)
{
var guid = Guid.NewGuid();
writers.TryAdd(guid, responseStream);
SimulationEntity entity = null;
while (await requestStream.MoveNext())
{
var current = requestStream.Current;
var id = Guid.Parse(current.Entity.Id);
if (!universe.TryGetEntity(id, out entity))
{
entity = new SimulationEntity(id);
entity.Components.Add(new EntityComponent());
entity.Components.Add(new PhysicsComponent(new Body()));
universe.Add(entity);
}
var pc = entity.GetComponent <PhysicsComponent>();
pc.Body.LinearPosition = ProtoConverter.Convert(current.Entity.Position);
pc.Body.LinearVelocity = ProtoConverter.Convert(current.Entity.Velocity);
pc.Body.AngularPosition = ProtoConverter.Convert(current.Entity.Rotation);
}
if (entity != null)
{
universe.Remove(entity);
}
writers.TryRemove(guid, out var unused);
}
public EntityServiceImpl()
{
universe = new Universe();
universe.Add(new BehaviorProcessor());
runner = new Runner();
runner.Universe = universe;
running = runner.Run();
universe.Stepped += (s, e) =>
{
var se = new ServerEvent();
foreach (var entity in universe.Entities)
{
var pc = entity.GetComponent <PhysicsComponent>();
var ec = entity.GetComponent <EntityComponent>();
se.Entities.Add(new Proto.Entity
{
Id = entity.Identifier.ToString(),
Position = ProtoConverter.Convert(pc.Body.LinearPosition),
Velocity = ProtoConverter.Convert(pc.Body.LinearVelocity),
Rotation = ProtoConverter.Convert(pc.Body.AngularPosition),
Class = ec?.Class ?? ""
});
}
// Console.WriteLine("Emitting " + se.Entities.Count);
foreach (var writer in writers)
{
writer.Value.WriteAsync(se);
}
};
for (int i = 0; i < 10; i++)
{
var bloid = new SimulationEntity();
bloid.Components.Add(new TransformComponent
{
Scaling = new Vector3(0.2f, 0.2f, 0.2f)
});
bloid.Components.Add(new BehaviorComponent());
bloid.Components.Add(new PhysicsComponent(new Body
{
LinearPosition = Functions.Random.NextVector3(-10, 10),
LinearVelocity = Functions.Random.NextVector3(-10, 10),
AngularPosition = Functions.Random.NextQuaternion()
}));
bloid.Components.Add(new EntityComponent {
Class = "ai"
});
universe.Add(bloid);
}
}