tommy/tbd-station-14
2
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ECS thrown items (#4110)

Browse Source
This commit is contained in:
metalgearsloth
2021-05-31 17:13:40 +10:00
committed by GitHub
parent 8a6ab624ab
commit 10615c233c
3 changed files with 56 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
Content.Shared/GameObjects/EntitySystems/ThrownItemSystem.cs
View File

@@ -4,7 +4,9 @@ using System.Linq;
using Content.Shared.GameObjects.Components.Items;
using Content.Shared.Physics.Pull;
using Content.Shared.Interfaces.GameObjects.Components;
using Content.Shared.Physics;
using Robust.Shared.GameObjects;
using Robust.Shared.Log;
using Robust.Shared.Physics;
using Robust.Shared.Physics.Dynamics;
@@ -17,13 +19,65 @@ namespace Content.Shared.GameObjects.EntitySystems
{
private List<IThrowCollide> _throwCollide = new();
private const string ThrowingFixture = "throw-fixture";
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<ThrownItemComponent, PhysicsSleepMessage>(HandleSleep);
SubscribeLocalEvent<ThrownItemComponent, StartCollideEvent>(HandleCollision);
SubscribeLocalEvent<ThrownItemComponent, PreventCollideEvent>(PreventCollision);
SubscribeLocalEvent<ThrownItemComponent, ThrownEvent>(ThrowItem);
SubscribeLocalEvent<ThrownItemComponent, LandEvent>(LandItem);
SubscribeLocalEvent<PullStartedMessage>(HandlePullStarted);
}
private void LandItem(EntityUid uid, ThrownItemComponent component, LandEvent args)
{
if (!component.Owner.TryGetComponent(out PhysicsComponent? physicsComponent)) return;
var fixture = physicsComponent.GetFixture(ThrowingFixture);
if (fixture == null)
{
Logger.Error($"Tried to remove throwing fixture for {component.Owner} but none found?");
return;
}
physicsComponent.RemoveFixture(fixture);
}
private void ThrowItem(EntityUid uid, ThrownItemComponent component, ThrownEvent args)
{
if (!component.Owner.TryGetComponent(out PhysicsComponent? physicsComponent) ||
physicsComponent.Fixtures.Count != 1) return;
if (physicsComponent.GetFixture(ThrowingFixture) != null)
{
Logger.Error($"Found existing throwing fixture on {component.Owner}");
return;
}
var shape = physicsComponent.Fixtures[0].Shape;
var fixture = new Fixture(physicsComponent, shape) {CollisionLayer = (int) CollisionGroup.ThrownItem, Hard = false, Name = ThrowingFixture};
physicsComponent.AddFixture(fixture);
}
private void HandleCollision(EntityUid uid, ThrownItemComponent component, StartCollideEvent args)
{
var thrower = component.Thrower;
var otherBody = args.OtherFixture.Body;
if (otherBody.Owner == thrower) return;
ThrowCollideInteraction(thrower, args.OurFixture.Body, otherBody);
}
private void PreventCollision(EntityUid uid, ThrownItemComponent component, PreventCollideEvent args)
{
if (args.BodyB.Owner == component.Thrower)
{
args.Cancel();
}
}
private void HandleSleep(EntityUid uid, ThrownItemComponent thrownItem, PhysicsSleepMessage message)
{
LandComponent(thrownItem);