Files
tbd-station-14/Content.Server/Chemistry/Components/SolutionTransferComponent.cs
2021-07-16 17:37:09 -07:00

125 lines
4.7 KiB
C#

using System.Threading.Tasks;
using Content.Shared.Chemistry.Reagent;
using Content.Shared.Chemistry.Solution.Components;
using Content.Shared.Interaction;
using Content.Shared.Interaction.Helpers;
using Content.Shared.Notification.Managers;
using Robust.Shared.GameObjects;
using Robust.Shared.Localization;
using Robust.Shared.Serialization.Manager.Attributes;
using Robust.Shared.ViewVariables;
namespace Content.Server.Chemistry.Components
{
/// <summary>
/// Gives click behavior for transferring to/from other reagent containers.
/// </summary>
[RegisterComponent]
public sealed class SolutionTransferComponent : Component, IAfterInteract
{
// Behavior is as such:
// If it's a reagent tank, TAKE reagent.
// If it's anything else, GIVE reagent.
// Of course, only if possible.
public override string Name => "SolutionTransfer";
/// <summary>
/// The amount of solution to be transferred from this solution when clicking on other solutions with it.
/// </summary>
[DataField("transferAmount")]
[ViewVariables(VVAccess.ReadWrite)]
public ReagentUnit TransferAmount { get; set; } = ReagentUnit.New(5);
/// <summary>
/// Can this entity take reagent from reagent tanks?
/// </summary>
[DataField("canReceive")]
[ViewVariables(VVAccess.ReadWrite)]
public bool CanReceive { get; set; } = true;
/// <summary>
/// Can this entity give reagent to other reagent containers?
/// </summary>
[DataField("canSend")]
[ViewVariables(VVAccess.ReadWrite)]
public bool CanSend { get; set; } = true;
async Task<bool> IAfterInteract.AfterInteract(AfterInteractEventArgs eventArgs)
{
if (!eventArgs.InRangeUnobstructed() || eventArgs.Target == null)
return false;
if (!Owner.TryGetComponent(out ISolutionInteractionsComponent? ownerSolution))
return false;
var target = eventArgs.Target;
if (!target.TryGetComponent(out ISolutionInteractionsComponent? targetSolution))
{
return false;
}
if (CanReceive && target.TryGetComponent(out ReagentTankComponent? tank)
&& ownerSolution.CanRefill && targetSolution.CanDrain)
{
var transferred = DoTransfer(targetSolution, ownerSolution, tank.TransferAmount, eventArgs.User);
if (transferred > 0)
{
var toTheBrim = ownerSolution.RefillSpaceAvailable == 0;
var msg = toTheBrim
? "solution-transfer-component-fill-to-brim-message"
: "solution-transfer-component-fill--message";
target.PopupMessage(eventArgs.User, Loc.GetString(msg,("owner", Owner),("amount", transferred),("target", target)));
return true;
}
}
if (CanSend && targetSolution.CanRefill && ownerSolution.CanDrain)
{
var transferred = DoTransfer(ownerSolution, targetSolution, TransferAmount, eventArgs.User);
if (transferred > 0)
{
Owner.PopupMessage(eventArgs.User,
Loc.GetString("solution-transfer-component-transfer-success-message",
("amount",transferred),
("target",target)));
return true;
}
}
return true;
}
/// <returns>The actual amount transferred.</returns>
private static ReagentUnit DoTransfer(
ISolutionInteractionsComponent source,
ISolutionInteractionsComponent target,
ReagentUnit amount,
IEntity user)
{
if (source.DrainAvailable == 0)
{
source.Owner.PopupMessage(user, Loc.GetString("solution-transfer-component-do-transfer-component-is-empty", ("entity",source.Owner)));
return ReagentUnit.Zero;
}
if (target.RefillSpaceAvailable == 0)
{
target.Owner.PopupMessage(user, Loc.GetString("solution-transfer-component-do-transfer-component-is-full", ("entity", target.Owner)));
return ReagentUnit.Zero;
}
var actualAmount =
ReagentUnit.Min(amount, ReagentUnit.Min(source.DrainAvailable, target.RefillSpaceAvailable));
var solution = source.Drain(actualAmount);
target.Refill(solution);
return actualAmount;
}
}
}