public Box2 GetHardAABB(PhysicsComponent body, TransformComponent?xform = null, FixturesComponent?fixtures = null)
{
if (!Resolve(body.Owner, ref xform, ref fixtures))
{
throw new InvalidOperationException();
}
var(worldPos, worldRot) = xform.GetWorldPositionRotation();
var transform = new Transform(worldPos, (float)worldRot.Theta);
var bounds = new Box2(transform.Position, transform.Position);
foreach (var fixture in fixtures.Fixtures.Values)
{
if (!fixture.Hard)
{
continue;
}
for (var i = 0; i < fixture.Shape.ChildCount; i++)
{
var boundy = fixture.Shape.ComputeAABB(transform, i);
bounds = bounds.Union(boundy);
}
}
return(bounds);
}
/// <summary>
/// Retrieves a shuttle for delivery.
/// </summary>
public void CallShuttle(StationCargoOrderDatabaseComponent orderDatabase)
{
if (!TryComp <CargoShuttleComponent>(orderDatabase.Shuttle, out var shuttle) ||
!TryComp <TransformComponent>(orderDatabase.Owner, out var xform))
{
return;
}
// Already called / not available
if (shuttle.NextCall == null || _timing.CurTime < shuttle.NextCall)
{
return;
}
shuttle.NextCall = null;
// Find a valid free area nearby to spawn in on
// TODO: Make this use hyperspace now.
var center = new Vector2();
var minRadius = 0f;
Box2?aabb = null;
foreach (var grid in _mapManager.GetAllMapGrids(xform.MapID))
{
aabb = aabb?.Union(grid.WorldAABB) ?? grid.WorldAABB;
}
if (aabb != null)
{
center = aabb.Value.Center;
minRadius = MathF.Max(aabb.Value.Width, aabb.Value.Height);
}
var offset = 0f;
if (TryComp <IMapGridComponent>(orderDatabase.Shuttle, out var shuttleGrid))
{
var bounds = shuttleGrid.Grid.LocalAABB;
offset = MathF.Max(bounds.Width, bounds.Height) / 2f;
}
Transform(shuttle.Owner).Coordinates = new EntityCoordinates(xform.ParentUid,
center + _random.NextVector2(minRadius + offset, minRadius + CallOffset + offset));
DebugTools.Assert(!MetaData(shuttle.Owner).EntityPaused);
AddCargoContents(shuttle, orderDatabase);
UpdateOrders(orderDatabase);
UpdateShuttleCargoConsoles(shuttle);
_console.RefreshShuttleConsoles();
_sawmill.Info($"Retrieved cargo shuttle {ToPrettyString(shuttle.Owner)} from {ToPrettyString(orderDatabase.Owner)}");
}
public Box2 GetWorldAABB(PhysicsComponent body, TransformComponent xform, EntityQuery <TransformComponent> xforms, EntityQuery <FixturesComponent> fixtures)
{
var(worldPos, worldRot) = xform.GetWorldPositionRotation(xforms);
var transform = new Transform(worldPos, (float)worldRot.Theta);
var bounds = new Box2(transform.Position, transform.Position);
foreach (var fixture in fixtures.GetComponent(body.Owner).Fixtures.Values)
{
for (var i = 0; i < fixture.Shape.ChildCount; i++)
{
var boundy = fixture.Shape.ComputeAABB(transform, i);
bounds = bounds.Union(boundy);
}
}
return(bounds);
}
/// <summary>
/// Expands the AABB for this grid when a new tile is added. If the tile is already inside the existing AABB,
/// nothing happens. If it is outside, the AABB is expanded to fit the new tile.
/// </summary>
private void UpdateAABB()
{
LocalBounds = new Box2();
foreach (var chunk in _chunks.Values)
{
var chunkBounds = chunk.CalcLocalBounds();
if (chunkBounds.Size.Equals(Vector2i.Zero))
{
continue;
}
if (LocalBounds.Size == Vector2.Zero)
{
var gridBounds = chunkBounds.Translated(chunk.Indices * chunk.ChunkSize);
LocalBounds = gridBounds;
}
else
{
var gridBounds = chunkBounds.Translated(chunk.Indices * chunk.ChunkSize);
LocalBounds = LocalBounds.Union(gridBounds);
}
}
}
public override void Update(float frameTime)
{
base.Update(frameTime);
if (!Started)
{
return;
}
if (_waveCounter <= 0)
{
Running = false;
return;
}
_cooldown -= frameTime;
if (_cooldown > 0f)
{
return;
}
_waveCounter--;
_cooldown += (MaximumCooldown - MinimumCooldown) * _robustRandom.NextFloat() + MinimumCooldown;
Box2?playableArea = null;
var mapId = EntitySystem.Get <GameTicker>().DefaultMap;
foreach (var grid in _mapManager.GetAllGrids())
{
if (grid.ParentMapId != mapId || !_entityManager.TryGetComponent(grid.GridEntityId, out PhysicsComponent? gridBody))
{
continue;
}
var aabb = gridBody.GetWorldAABB();
playableArea = playableArea?.Union(aabb) ?? aabb;
}
if (playableArea == null)
{
EndAfter = float.MinValue;
return;
}
var minimumDistance = (playableArea.Value.TopRight - playableArea.Value.Center).Length + 50f;
var maximumDistance = minimumDistance + 100f;
var center = playableArea.Value.Center;
for (var i = 0; i < MeteorsPerWave; i++)
{
var angle = new Angle(_robustRandom.NextFloat() * MathF.Tau);
var offset = angle.RotateVec(new Vector2((maximumDistance - minimumDistance) * _robustRandom.NextFloat() + minimumDistance, 0));
var spawnPosition = new MapCoordinates(center + offset, mapId);
var meteor = _entityManager.SpawnEntity("MeteorLarge", spawnPosition);
var physics = _entityManager.GetComponent <PhysicsComponent>(meteor.Uid);
physics.BodyStatus = BodyStatus.InAir;
physics.LinearDamping = 0f;
physics.AngularDamping = 0f;
physics.ApplyLinearImpulse(-offset.Normalized * MeteorVelocity * physics.Mass);
physics.ApplyAngularImpulse(
// Get a random angular velocity.
physics.Mass * ((MaxAngularVelocity - MinAngularVelocity) * _robustRandom.NextFloat() +
MinAngularVelocity));
// TODO: God this disgusts me but projectile needs a refactor.
meteor.GetComponent <ProjectileComponent>().TimeLeft = 120f;
}
}
private DockingComponent?GetDockable(PhysicsComponent body, TransformComponent dockingXform)
{
// Did you know Saltern is the most dockable station?
// Assume the docking port itself (and its body) is valid
if (!_mapManager.TryGetGrid(dockingXform.GridID, out var grid) ||
!HasComp <ShuttleComponent>(grid.GridEntityId))
{
return(null);
}
var transform = body.GetTransform();
var dockingFixture = _fixtureSystem.GetFixtureOrNull(body, DockingFixture);
if (dockingFixture == null)
{
DebugTools.Assert(false);
Logger.ErrorS("docking", $"Found null fixture on {(body).Owner}");
return(null);
}
Box2?aabb = null;
for (var i = 0; i < dockingFixture.Shape.ChildCount; i++)
{
aabb = aabb?.Union(dockingFixture.Shape.ComputeAABB(transform, i)) ?? dockingFixture.Shape.ComputeAABB(transform, i);
}
if (aabb == null)
{
return(null);
}
var enlargedAABB = aabb.Value.Enlarged(DockingRadius * 1.5f);
// Get any docking ports in range on other grids.
_mapManager.FindGridsIntersectingEnumerator(dockingXform.MapID, enlargedAABB, out var enumerator);
while (enumerator.MoveNext(out var otherGrid))
{
if (otherGrid.Index == dockingXform.GridID)
{
continue;
}
foreach (var ent in otherGrid.GetAnchoredEntities(enlargedAABB))
{
if (!TryComp(ent, out DockingComponent? otherDocking) ||
!otherDocking.Enabled ||
!TryComp(ent, out PhysicsComponent? otherBody))
{
continue;
}
var otherTransform = otherBody.GetTransform();
var otherDockingFixture = _fixtureSystem.GetFixtureOrNull(otherBody, DockingFixture);
if (otherDockingFixture == null)
{
DebugTools.Assert(false);
Logger.ErrorS("docking", $"Found null docking fixture on {ent}");
continue;
}
for (var i = 0; i < otherDockingFixture.Shape.ChildCount; i++)
{
var otherAABB = otherDockingFixture.Shape.ComputeAABB(otherTransform, i);
if (!aabb.Value.Intersects(otherAABB))
{
continue;
}
// TODO: Need CollisionManager's GJK for accurate bounds
// Realistically I want 2 fixtures anyway but I'll deal with that later.
return(otherDocking);
}
}
}
return(null);
}
