/// <summary>
/// Called where you want the user to start blocking
/// Creates a new hard fixture to bodyblock
/// Also makes the user static to prevent prediction issues
/// </summary>
/// <param name="uid"> The entity with the blocking component</param>
/// <param name="component"> The <see cref="BlockingComponent"/></param>
/// <param name="user"> The entity who's using the item to block</param>
/// <returns></returns>
public bool StartBlocking(EntityUid item, BlockingComponent component, EntityUid user)
{
if (component.IsBlocking)
{
return(false);
}
var xform = Transform(user);
var shieldName = Name(item);
var blockerName = Identity.Entity(user, EntityManager);
var msgUser = Loc.GetString("action-popup-blocking-user", ("shield", shieldName));
var msgOther = Loc.GetString("action-popup-blocking-other", ("blockerName", blockerName), ("shield", shieldName));
if (component.BlockingToggleAction != null)
{
//Don't allow someone to block if they're in a container.
if (_containerSystem.IsEntityInContainer(user) || !_mapManager.TryFindGridAt(xform.MapPosition, out var grid))
{
CantBlockError(user);
return(false);
}
//Don't allow someone to block if someone else is on the same tile or if they're inside of a doorway
var playerTileRef = xform.Coordinates.GetTileRef();
if (playerTileRef != null)
{
var intersecting = _lookup.GetEntitiesIntersecting(playerTileRef.Value);
var mobQuery = GetEntityQuery <MobStateComponent>();
var doorQuery = GetEntityQuery <DoorComponent>();
var xformQuery = GetEntityQuery <TransformComponent>();
foreach (var uid in intersecting)
{
if (uid != user && mobQuery.HasComponent(uid) || xformQuery.GetComponent(uid).Anchored&& doorQuery.HasComponent(uid))
{
TooCloseError(user);
return(false);
}
}
}
//Don't allow someone to block if they're somehow not anchored.
_transformSystem.AnchorEntity(xform);
if (!xform.Anchored)
{
CantBlockError(user);
return(false);
}
_actionsSystem.SetToggled(component.BlockingToggleAction, true);
_popupSystem.PopupEntity(msgUser, user, Filter.Entities(user));
_popupSystem.PopupEntity(msgOther, user, Filter.Pvs(user).RemoveWhereAttachedEntity(e => e == user));
}
if (TryComp <PhysicsComponent>(user, out var physicsComponent))
{
var fixture = new Fixture(physicsComponent, component.Shape)
{
ID = BlockingComponent.BlockFixtureID,
Hard = true,
CollisionLayer = (int)CollisionGroup.WallLayer
};
_fixtureSystem.TryCreateFixture(physicsComponent, fixture);
}
component.IsBlocking = true;
return(true);
}
