private void OnInjectorAfterInteract(EntityUid uid, InjectorComponent component, AfterInteractEvent args)
{
if (args.Handled || !args.CanReach)
{
return;
}
if (component.CancelToken != null)
{
args.Handled = true;
return;
}
//Make sure we have the attacking entity
if (args.Target is not {
Valid : true
} target ||
!HasComp <SolutionContainerManagerComponent>(uid))
{
return;
}
// Is the target a mob? If yes, use a do-after to give them time to respond.
if (HasComp <MobStateComponent>(target) ||
HasComp <BloodstreamComponent>(target))
{
InjectDoAfter(component, args.User, target);
args.Handled = true;
return;
}
UseInjector(target, args.User, component);
args.Handled = true;
}
private void TryDraw(InjectorComponent component, EntityUid targetEntity, Solution targetSolution, EntityUid user)
{
if (!_solutions.TryGetSolution(component.Owner, InjectorComponent.SolutionName, out var solution) ||
solution.AvailableVolume == 0)
{
return;
}
// Get transfer amount. May be smaller than _transferAmount if not enough room
var realTransferAmount = FixedPoint2.Min(component.TransferAmount, targetSolution.DrawAvailable);
if (realTransferAmount <= 0)
{
_popup.PopupEntity(Loc.GetString("injector-component-target-is-empty-message", ("target", targetEntity)),
component.Owner, Filter.Entities(user));
return;
}
// Move units from attackSolution to targetSolution
var removedSolution = _solutions.Draw(targetEntity, targetSolution, realTransferAmount);
if (!_solutions.TryAddSolution(component.Owner, solution, removedSolution))
{
return;
}
_popup.PopupEntity(Loc.GetString("injector-component-draw-success-message",
("amount", removedSolution.TotalVolume),
("target", targetEntity)), component.Owner, Filter.Entities(user));
Dirty(component);
AfterDraw(component);
}
private void TryInjectIntoBloodstream(InjectorComponent component, BloodstreamComponent targetBloodstream, EntityUid user)
{
// Get transfer amount. May be smaller than _transferAmount if not enough room
var realTransferAmount = FixedPoint2.Min(component.TransferAmount, targetBloodstream.ChemicalSolution.AvailableVolume);
if (realTransferAmount <= 0)
{
_popup.PopupEntity(Loc.GetString("injector-component-cannot-inject-message", ("target", targetBloodstream.Owner)),
component.Owner, Filter.Entities(user));
return;
}
// Move units from attackSolution to targetSolution
var removedSolution = _solutions.SplitSolution(user, targetBloodstream.ChemicalSolution, realTransferAmount);
_blood.TryAddToChemicals((targetBloodstream).Owner, removedSolution, targetBloodstream);
removedSolution.DoEntityReaction(targetBloodstream.Owner, ReactionMethod.Injection);
_popup.PopupEntity(Loc.GetString("injector-component-inject-success-message",
("amount", removedSolution.TotalVolume),
("target", targetBloodstream.Owner)), component.Owner, Filter.Entities(user));
Dirty(component);
AfterInject(component);
}
/// <summary>
/// Toggle between draw/inject state if applicable
/// </summary>
private void Toggle(InjectorComponent component, EntityUid user)
{
if (component.InjectOnly)
{
return;
}
string msg;
switch (component.ToggleState)
{
case SharedInjectorComponent.InjectorToggleMode.Inject:
component.ToggleState = SharedInjectorComponent.InjectorToggleMode.Draw;
msg = "injector-component-drawing-text";
break;
case SharedInjectorComponent.InjectorToggleMode.Draw:
component.ToggleState = SharedInjectorComponent.InjectorToggleMode.Inject;
msg = "injector-component-injecting-text";
break;
default:
throw new ArgumentOutOfRangeException();
}
_popup.PopupEntity(Loc.GetString(msg), component.Owner, Filter.Entities(user));
}
private void DrawFromBlood(EntityUid user, EntityUid target, InjectorComponent component, Solution injectorSolution, BloodstreamComponent stream, FixedPoint2 transferAmount)
{
var drawAmount = (float)transferAmount;
var bloodAmount = drawAmount;
var chemAmount = 0f;
if (stream.ChemicalSolution.CurrentVolume > 0f) // If they have stuff in their chem stream, we'll draw some of that
{
bloodAmount = drawAmount * 0.85f;
chemAmount = drawAmount * 0.15f;
}
var bloodTemp = stream.BloodSolution.SplitSolution(bloodAmount);
var chemTemp = stream.ChemicalSolution.SplitSolution(chemAmount);
_solutions.TryAddSolution(component.Owner, injectorSolution, bloodTemp);
_solutions.TryAddSolution(component.Owner, injectorSolution, chemTemp);
_popup.PopupEntity(Loc.GetString("injector-component-draw-success-message",
("amount", transferAmount),
("target", Identity.Entity(target, EntityManager))), component.Owner, Filter.Entities(user));
Dirty(component);
AfterDraw(component);
}
private void OnInjectorDeselected(EntityUid uid, InjectorComponent component, HandDeselectedEvent args)
{
if (component.CancelToken != null)
{
component.CancelToken.Cancel();
component.CancelToken = null;
}
}
private void OnInjectorGetState(EntityUid uid, InjectorComponent component, ref ComponentGetState args)
{
_solutions.TryGetSolution(uid, InjectorComponent.SolutionName, out var solution);
var currentVolume = solution?.CurrentVolume ?? FixedPoint2.Zero;
var maxVolume = solution?.MaxVolume ?? FixedPoint2.Zero;
args.State = new SharedInjectorComponent.InjectorComponentState(currentVolume, maxVolume, component.ToggleState);
}
private void AfterDraw(InjectorComponent component)
{
// Automatically set syringe to inject after completely filling it.
if (_solutions.TryGetSolution(component.Owner, InjectorComponent.SolutionName, out var solution) &&
solution.AvailableVolume == 0)
{
component.ToggleState = SharedInjectorComponent.InjectorToggleMode.Inject;
}
}
private void AfterInject(InjectorComponent component)
{
// Automatically set syringe to draw after completely draining it.
if (_solutions.TryGetSolution(component.Owner, InjectorComponent.SolutionName, out var solution) &&
solution.CurrentVolume == 0)
{
component.ToggleState = SharedInjectorComponent.InjectorToggleMode.Draw;
}
}
private void OnInjectorUse(EntityUid uid, InjectorComponent component, UseInHandEvent args)
{
if (args.Handled)
{
return;
}
Toggle(component, args.User);
args.Handled = true;
}
private void UseInjector(EntityUid target, EntityUid user, InjectorComponent component)
{
// Handle injecting/drawing for solutions
if (component.ToggleState == SharedInjectorComponent.InjectorToggleMode.Inject)
{
if (_solutions.TryGetInjectableSolution(target, out var injectableSolution))
{
TryInject(component, target, injectableSolution, user, false);
}
else if (_solutions.TryGetRefillableSolution(target, out var refillableSolution))
{
TryInject(component, target, refillableSolution, user, true);
}
else if (TryComp <BloodstreamComponent>(target, out var bloodstream))
{
TryInjectIntoBloodstream(component, bloodstream, user);
}
else
{
_popup.PopupEntity(Loc.GetString("injector-component-cannot-transfer-message",
("target", Identity.Entity(target, EntityManager))), component.Owner, Filter.Entities(user));
}
}
else if (component.ToggleState == SharedInjectorComponent.InjectorToggleMode.Draw)
{
/// Draw from a bloodstream, if the target has that
if (TryComp <BloodstreamComponent>(target, out var stream))
{
TryDraw(component, target, stream.BloodSolution, user, stream);
return;
}
/// Draw from an object (food, beaker, etc)
if (_solutions.TryGetDrawableSolution(target, out var drawableSolution))
{
TryDraw(component, target, drawableSolution, user);
}
else
{
_popup.PopupEntity(Loc.GetString("injector-component-cannot-draw-message",
("target", Identity.Entity(target, EntityManager))), component.Owner, Filter.Entities(user));
}
}
}
private void TryInject(InjectorComponent component, EntityUid targetEntity, Solution targetSolution, EntityUid user, bool asRefill)
{
if (!_solutions.TryGetSolution(component.Owner, InjectorComponent.SolutionName, out var solution) ||
solution.CurrentVolume == 0)
{
return;
}
// Get transfer amount. May be smaller than _transferAmount if not enough room
var realTransferAmount = FixedPoint2.Min(component.TransferAmount, targetSolution.AvailableVolume);
if (realTransferAmount <= 0)
{
_popup.PopupEntity(Loc.GetString("injector-component-target-already-full-message", ("target", targetEntity)),
component.Owner, Filter.Entities(user));
return;
}
// Move units from attackSolution to targetSolution
var removedSolution = _solutions.SplitSolution(component.Owner, solution, realTransferAmount);
removedSolution.DoEntityReaction(targetEntity, ReactionMethod.Injection);
if (!asRefill)
{
_solutions.Inject(targetEntity, targetSolution, removedSolution);
}
else
{
_solutions.Refill(targetEntity, targetSolution, removedSolution);
}
_popup.PopupEntity(Loc.GetString("injector-component-transfer-success-message",
("amount", removedSolution.TotalVolume),
("target", targetEntity)), component.Owner, Filter.Entities(user));
Dirty(component);
AfterInject(component);
}
private void OnSolutionChange(EntityUid uid, InjectorComponent component, SolutionChangedEvent args)
{
Dirty(component);
}
private static void OnInjectorDeselected(EntityUid uid, InjectorComponent component, HandDeselectedEvent args)
{
component.CancelToken?.Cancel();
component.CancelToken = null;
}
/// <summary>
/// Send informative pop-up messages and wait for a do-after to complete.
/// </summary>
private void InjectDoAfter(InjectorComponent component, EntityUid user, EntityUid target)
{
// Create a pop-up for the user
_popup.PopupEntity(Loc.GetString("injector-component-injecting-user"), target, Filter.Entities(user));
if (!_solutions.TryGetSolution(component.Owner, InjectorComponent.SolutionName, out var solution))
{
return;
}
var actualDelay = MathF.Max(component.Delay, 1f);
if (user != target)
{
// Create a pop-up for the target
var userName = MetaData(user).EntityName;
_popup.PopupEntity(Loc.GetString("injector-component-injecting-target",
("user", userName)), user, Filter.Entities(target));
// Check if the target is incapacitated or in combat mode and modify time accordingly.
if (TryComp <MobStateComponent>(target, out var mobState) && mobState.IsIncapacitated())
{
actualDelay /= 2;
}
else if (TryComp <CombatModeComponent>(target, out var combat) && combat.IsInCombatMode)
{
// Slightly increase the delay when the target is in combat mode. Helps prevents cheese injections in
// combat with fast syringes & lag.
actualDelay += 1;
}
// Add an admin log, using the "force feed" log type. It's not quite feeding, but the effect is the same.
if (component.ToggleState == SharedInjectorComponent.InjectorToggleMode.Inject)
{
_logs.Add(LogType.ForceFeed,
$"{EntityManager.ToPrettyString(user):user} is attempting to inject {EntityManager.ToPrettyString(target):target} with a solution {SolutionContainerSystem.ToPrettyString(solution):solution}");
}
}
else
{
// Self-injections take half as long.
actualDelay /= 2;
if (component.ToggleState == SharedInjectorComponent.InjectorToggleMode.Inject)
{
_logs.Add(LogType.Ingestion,
$"{EntityManager.ToPrettyString(user):user} is attempting to inject themselves with a solution {SolutionContainerSystem.ToPrettyString(solution):solution}.");
}
}
component.CancelToken = new CancellationTokenSource();
_doAfter.DoAfter(new DoAfterEventArgs(user, actualDelay, component.CancelToken.Token, target)
{
BreakOnUserMove = true,
BreakOnDamage = true,
BreakOnStun = true,
BreakOnTargetMove = true,
MovementThreshold = 0.1f,
BroadcastFinishedEvent = new InjectionCompleteEvent()
{
Component = component,
User = user,
Target = target,
},
BroadcastCancelledEvent = new InjectionCancelledEvent()
{
Component = component,
}
});
}
private void OnInjectorStartup(EntityUid uid, InjectorComponent component, ComponentStartup args)
{
Dirty(component);
}