Delta-v/Content.Server/GameObjects/Components/Nutrition/StomachComponent.cs

99 lines
3.8 KiB
C#

using System.Collections.Generic;
using Content.Server.GameObjects.Components.Chemistry;
using Content.Server.GameObjects.EntitySystems;
using Content.Shared.Chemistry;
using Content.Shared.GameObjects.Components.Nutrition;
using Robust.Shared.GameObjects;
using Robust.Shared.IoC;
using Robust.Shared.Prototypes;
using Robust.Shared.Serialization;
using Robust.Shared.ViewVariables;
namespace Content.Server.GameObjects.Components.Nutrition
{
[RegisterComponent]
public class StomachComponent : SharedStomachComponent
{
#pragma warning disable 649
[Dependency] private readonly IPrototypeManager _prototypeManager;
#pragma warning restore 649
[ViewVariables(VVAccess.ReadOnly)]
private SolutionComponent _stomachContents;
public int MaxVolume
{
get => _stomachContents.MaxVolume;
set => _stomachContents.MaxVolume = value;
}
private int _initialMaxVolume;
//Used to track changes to reagent amounts during metabolism
private readonly Dictionary<string, int> _reagentDeltas = new Dictionary<string, int>();
public override void ExposeData(ObjectSerializer serializer)
{
base.ExposeData(serializer);
serializer.DataField(ref _initialMaxVolume, "max_volume", 20);
}
public override void Initialize()
{
base.Initialize();
//Doesn't use Owner.AddComponent<>() to avoid cross-contamination (e.g. with blood or whatever they holds other solutions)
_stomachContents = new SolutionComponent();
_stomachContents.InitializeFromPrototype();
_stomachContents.MaxVolume = _initialMaxVolume;
_stomachContents.Owner = Owner; //Manually set owner to avoid crash when VV'ing this
}
public bool TryTransferSolution(Solution solution)
{
// TODO: For now no partial transfers. Potentially change by design
if (solution.TotalVolume + _stomachContents.CurrentVolume > _stomachContents.MaxVolume)
{
return false;
}
_stomachContents.TryAddSolution(solution, false, true);
return true;
}
/// <summary>
/// Loops through each reagent in _stomachContents, and calls the IMetabolizable for each of them./>
/// </summary>
/// <param name="tickTime">The time since the last metabolism tick in seconds.</param>
public void Metabolize(float tickTime)
{
if (_stomachContents.CurrentVolume == 0)
return;
//Run metabolism for each reagent, track quantity changes
_reagentDeltas.Clear();
foreach (var reagent in _stomachContents.ReagentList)
{
if(!_prototypeManager.TryIndex(reagent.ReagentId, out ReagentPrototype proto))
continue;
foreach (var metabolizable in proto.Metabolism)
{
_reagentDeltas[reagent.ReagentId] = metabolizable.Metabolize(Owner, reagent.ReagentId, tickTime);
}
}
//Apply changes to quantity afterwards. Can't change the reagent quantities while the iterating the
//list of reagents, because that would invalidate the iterator and throw an exception.
foreach (var reagentDelta in _reagentDeltas)
{
_stomachContents.TryRemoveReagent(reagentDelta.Key, reagentDelta.Value);
}
}
/// <summary>
/// Triggers metabolism of the reagents inside _stomachContents. Called by <see cref="StomachSystem"/>
/// </summary>
/// <param name="tickTime">The time since the last metabolism tick in seconds.</param>
public void OnUpdate(float tickTime)
{
Metabolize(tickTime);
}
}
}