BarotraumaShared/SharedSource/Items/Components/Repairable.cs

using Barotrauma.Abilities;
using Barotrauma.Networking;
using Microsoft.Xna.Framework;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
 
namespace Barotrauma.Items.Components
{
    interface IDeteriorateUnderStress
    {
        public float CurrentStress { get; }
    }
 
    partial class Repairable : ItemComponent, IServerSerializable, IClientSerializable
    {
        private readonly LocalizedString header;
 
        private float deteriorationTimer;
        public float ForceDeteriorationTimer
        {
            get;
            private set;
        }
 
        private int updateDeteriorationCounter;
        private const int UpdateDeteriorationInterval = 10;
 
        private int prevSentConditionValue;
        private string conditionSignal;
 
        bool wasBroken;
        bool wasGoodCondition;
 
        public float LastActiveTime;
 
        [Serialize(0.0f, IsPropertySaveable.Yes, description: "How fast the condition of the item deteriorates per second."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 100.0f, DecimalCount = 2)]
        public float DeteriorationSpeed
        {
            get;
            set;
        }
 
        [Serialize(0.0f, IsPropertySaveable.Yes, description: "Minimum initial delay before the item starts to deteriorate."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 1000.0f, DecimalCount = 2)]
        public float MinDeteriorationDelay
        {
            get;
            set;
        }
 
        [Serialize(0.0f, IsPropertySaveable.Yes, description: "Maximum initial delay before the item starts to deteriorate."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 1000.0f, DecimalCount = 2)]
        public float MaxDeteriorationDelay
        {
            get;
            set;
        }
 
        [Serialize(50.0f, IsPropertySaveable.Yes, description: "The item won't deteriorate spontaneously if the condition is below this value. For example, if set to 10, the condition will spontaneously drop to 10 and then stop dropping (unless the item is damaged further by external factors). Percentages of max condition."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 100.0f)]
        public float MinDeteriorationCondition
        {
            get;
            set;
        }
 
        [Serialize(0f, IsPropertySaveable.Yes, description: "How low a traitor must get the item's condition for it to start breaking down.")]
        public float MinSabotageCondition
        {
            get;
            set;
        }
 
        [Serialize(60f, IsPropertySaveable.Yes, description: "How long will the item spontaneously deteriorate after being sabotaged.")]
        public float SabotageDeteriorationDuration
        {
            get;
            set;
        }
 
        [Serialize(80.0f, IsPropertySaveable.Yes, description: "The condition of the item has to be below this for it to become repairable. Percentages of max condition."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 100.0f)]
        public float RepairThreshold
        {
            get;
            set;
        }
 
        [Serialize(1.0f, IsPropertySaveable.Yes, description: "How much faster the device can deteriorate when under stress (e.g. when operating at full speed/power)."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 1000.0f, DecimalCount = 2)]
        public float MaxStressDeteriorationMultiplier
        {
            get;
            set;
        }
 
        [Serialize(0.5f, IsPropertySaveable.Yes, description: "At what speed/power must the device be operating at to be considered \"under stress\"."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 1000.0f, DecimalCount = 2)]
        public float StressDeteriorationThreshold
        {
            get;
            set;
        }
 
        [Serialize(0.1f, IsPropertySaveable.Yes, description: "How fast the deterioration speed increases when under stress."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 1000.0f, DecimalCount = 2)]
        public float StressDeteriorationIncreaseSpeed
        {
            get;
            set;
        }
 
        [Serialize(0.1f, IsPropertySaveable.Yes, description: "How fast the deterioration speed decreases when not under stress."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 1000.0f, DecimalCount = 2)]
        public float StressDeteriorationDecreaseSpeed
        {
            get;
            set;
        }
 
        [Serialize(100.0f, IsPropertySaveable.Yes, description: "The amount of time it takes to fix the item with insufficient skill levels."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 100.0f)]
        public float FixDurationLowSkill
        {
            get;
            set;
        }
 
        [Serialize(10.0f, IsPropertySaveable.Yes, description: "The amount of time it takes to fix the item with sufficient skill levels."), Editable(MinValueFloat = 0.0f, MaxValueFloat = 100.0f)]
        public float FixDurationHighSkill
        {
            get;
            set;
        }
 
        private float skillRequirementMultiplier;
 
        [Serialize(1.0f, IsPropertySaveable.Yes)]
        public float SkillRequirementMultiplier
        {
            get { return skillRequirementMultiplier; }
            set
            {
                var oldValue = skillRequirementMultiplier;
                skillRequirementMultiplier = value;
#if CLIENT
                if (!MathUtils.NearlyEqual(oldValue, skillRequirementMultiplier))
                {
                    RecreateGUI();
                }
#endif
            }
        }
 
        private bool isTinkering;
        public bool IsTinkering
        {
            get { return isTinkering; }
            private set
            {
                if (isTinkering == value) { return; }
                isTinkering = value;
 
                if (tinkeringPowersDevices)
                {
                    foreach (Powered powered in item.GetComponents<Powered>())
                    {
                        if (powered is PowerContainer) { continue; }
                        powered.PoweredByTinkering = isTinkering;
                    }
                }
            }
        }
 
        public Character CurrentFixer { get; private set; }
        private Item currentRepairItem;
 
        private float tinkeringDuration;
        private float tinkeringStrength;
 
        public float StressDeteriorationMultiplier { get; private set; } = 1.0f;
 
        public float TinkeringStrength => tinkeringStrength;
 
        private bool tinkeringPowersDevices;
        public bool TinkeringPowersDevices => tinkeringPowersDevices;
 
        public bool IsBelowRepairThreshold => item.ConditionPercentageRelativeToDefaultMaxCondition < RepairThreshold;
 
        public bool IsBelowRepairIconThreshold => item.ConditionPercentageRelativeToDefaultMaxCondition < RepairThreshold / 2;
 
        public enum FixActions : int
        {
            None = 0,
            Repair = 1,
            Sabotage = 2,
            Tinker = 3,
        }
 
        private FixActions currentFixerAction = FixActions.None;
        public FixActions CurrentFixerAction
        {
            get => currentFixerAction;
            private set { currentFixerAction = value; }
        }
 
        public Repairable(Item item, ContentXElement element)
            : base(item, element)
        {
            IsActive = true;
            canBeSelected = true;
 
            this.item = item;
            header =
                TextManager.Get(element.GetAttributeString("header", "")).Fallback(
                TextManager.Get(item.Prefab.ConfigElement.GetAttributeString("header", ""))).Fallback(
                element.GetAttributeString("name", ""));
 
            //backwards compatibility
            var repairThresholdAttribute =
                element.Attributes().FirstOrDefault(a => a.Name.ToString().Equals("showrepairuithreshold", StringComparison.OrdinalIgnoreCase)) ??
                element.Attributes().FirstOrDefault(a => a.Name.ToString().Equals("airepairthreshold", StringComparison.OrdinalIgnoreCase));
            if (repairThresholdAttribute != null)
            {
                if (float.TryParse(repairThresholdAttribute.Value, NumberStyles.Float, CultureInfo.InvariantCulture, out float repairThreshold))
                {
                    RepairThreshold = repairThreshold;
                }
            }
 
            // Modify damage (not stun) caused by repair failure based on campaign settings
            if (GameMain.GameSession?.Campaign is CampaignMode campaign
                && statusEffectLists != null
                && statusEffectLists.TryGetValue(ActionType.OnFailure, out var onFailureEffects))
            {
                foreach (var effect in onFailureEffects)
                {
                    foreach (Affliction affliction in effect.Afflictions)
                    {
                        if (affliction.Prefab.AfflictionType == Tags.Stun) { continue; }
                        affliction.Strength *= campaign.Settings.RepairFailMultiplier;
                    }
                }
            }
 
            InitProjSpecific(element);
        }
 
        public override void OnItemLoaded()
        {
            deteriorationTimer = Rand.Range(MinDeteriorationDelay, MaxDeteriorationDelay);
        }
 
        partial void InitProjSpecific(ContentXElement element);
 
        public bool CheckCharacterSuccess(Character character, Item bestRepairItem)
        {
            if (character == null) { return false; }
 
            if (statusEffectLists == null) { return true; }
 
            if (bestRepairItem != null && bestRepairItem.Prefab.CannotRepairFail) { return true; }
 
            // unpowered (electrical) items can be repaired without a risk of electrical shock
            if (RequiredSkills.Any(s => s != null && s.Identifier == "electrical"))
            {
                if (item.GetComponent<Reactor>() is Reactor reactor)
                {
                    if (MathUtils.NearlyEqual(reactor.CurrPowerConsumption, 0.0f, 0.1f)) { return true; }
                }
                else if (item.GetComponent<Powered>() is Powered powered && powered.Voltage < 0.1f) 
                {
                    return true;
                }
            }
 
            bool success = Rand.Range(0.0f, 0.5f) < RepairDegreeOfSuccess(character, RequiredSkills);
            ActionType actionType = success ? ActionType.OnSuccess : ActionType.OnFailure;
 
            ApplyStatusEffectsAndCreateEntityEvent(this, actionType, character);
            ApplyStatusEffectsAndCreateEntityEvent(this, ActionType.OnUse, character);
            if (bestRepairItem != null && bestRepairItem.GetComponent<Holdable>() is Holdable holdable)
            {
                ApplyStatusEffectsAndCreateEntityEvent(holdable, actionType, character);
                ApplyStatusEffectsAndCreateEntityEvent(holdable, ActionType.OnUse, character);
            }
            static void ApplyStatusEffectsAndCreateEntityEvent(ItemComponent ic, ActionType actionType, Character character)
            {
                ic.ApplyStatusEffects(actionType, 1.0f, character);
                if (GameMain.NetworkMember is { IsServer: true } && ic.statusEffectLists != null && ic.statusEffectLists.ContainsKey(actionType))
                {
                    GameMain.NetworkMember.CreateEntityEvent(ic.Item, new Item.ApplyStatusEffectEventData(actionType, ic, character));
                }
            }
            return success;
        }
 
        public override float GetSkillMultiplier()
        {
            return SkillRequirementMultiplier;
        }
 
        public float RepairDegreeOfSuccess(Character character, List<Skill> skills)
        {
            if (skills.Count == 0) { return 1.0f; }
            if (character == null) { return 0.0f; }
 
            float skillSum = (from t in skills let characterLevel = character.GetSkillLevel(t.Identifier) select (characterLevel - (t.Level * SkillRequirementMultiplier))).Sum();
            float average = skillSum / skills.Count;
 
            return ((average + 100.0f) / 2.0f) / 100.0f;
        }
 
        public void RepairBoost(bool qteSuccess)
        {
            if (CurrentFixer == null) { return; }
            if (qteSuccess)
            {
                item.Condition += RepairDegreeOfSuccess(CurrentFixer, RequiredSkills) * 3 * (currentFixerAction == FixActions.Repair ? 1.0f : -1.0f);
            }
            else if (Rand.Range(0.0f, 2.0f) > RepairDegreeOfSuccess(CurrentFixer, RequiredSkills))
            {
                ApplyStatusEffects(ActionType.OnFailure, 1.0f, CurrentFixer);
#if SERVER
                GameMain.Server?.CreateEntityEvent(item, new Item.ApplyStatusEffectEventData(ActionType.OnFailure, this, CurrentFixer));
#endif
            }
        }
 
        public bool StartRepairing(Character character, FixActions action)
        {
            if (character == null || character.IsDead || action == FixActions.None)
            {
                DebugConsole.ThrowError("Invalid repair command!");
                return false;
            }
            else
            {
                if (CurrentFixerAction == FixActions.Tinker && action != FixActions.Tinker)
                {
                    CurrentFixer?.CheckTalents(AbilityEffectType.OnStopTinkering);
                }
 
                Item bestRepairItem = GetBestRepairItem(character);
#if SERVER
                if (CurrentFixer != character || currentFixerAction != action)
                {
                    if (!CheckCharacterSuccess(character, bestRepairItem))
                    {
                        GameServer.Log($"{GameServer.CharacterLogName(character)} failed to {(action == FixActions.Sabotage ? "sabotage" : "repair")} {item.Name}", ServerLog.MessageType.ItemInteraction);
                        return false;
                    }
 
                    if ((character != prevLoggedFixer || action != prevLoggedFixAction) && (character.TeamID == CharacterTeamType.Team1 || character.TeamID == CharacterTeamType.Team2))
                    {
                        GameServer.Log($"{GameServer.CharacterLogName(character)} started {(action == FixActions.Sabotage ? "sabotaging" : "repairing")} {item.Name}", ServerLog.MessageType.ItemInteraction);
                        item.CreateServerEvent(this);
                        prevLoggedFixer = character;
                        prevLoggedFixAction = action;
                    }
                }
#else
                if (GameMain.Client == null && (CurrentFixer != character || currentFixerAction != action) && !CheckCharacterSuccess(character, bestRepairItem)) { return false; }
#endif
                CurrentFixer = character;
                currentRepairItem = bestRepairItem;
                CurrentFixerAction = action;
                if (action == FixActions.Tinker)
                {
                    tinkeringStrength = 1f + CurrentFixer.GetStatValue(StatTypes.TinkeringStrength);
                    tinkeringPowersDevices = CurrentFixer.HasAbilityFlag(AbilityFlags.TinkeringPowersDevices);
 
                    if (character.HasAbilityFlag(AbilityFlags.CanTinkerFabricatorsAndDeconstructors) && item.GetComponent<Deconstructor>() != null || item.GetComponent<Fabricator>() != null)
                    {
                        // fabricators and deconstructors can be tinkered indefinitely (more or less)
                        tinkeringDuration = float.MaxValue;
                    }
                    else
                    {
                        tinkeringDuration = CurrentFixer.GetStatValue(StatTypes.TinkeringDuration);
                    }
                }
                return true;
 
                static Item GetBestRepairItem(Character character)
                {
                    return character.HeldItems.OrderByDescending(i => i.Prefab.AddedRepairSpeedMultiplier).FirstOrDefault();
                }
 
            }
        }
 
        public bool StopRepairing(Character character)
        {
            if (CurrentFixer == character)
            {
#if SERVER
                if (CurrentFixer != character || currentFixerAction != FixActions.None)
                {
                    item.CreateServerEvent(this);
                }
#endif
                if (currentRepairItem != null)
                {
                    foreach (var ic in currentRepairItem.GetComponents<ItemComponent>())
                    {
                        ic.ApplyStatusEffects(ActionType.OnSuccess, 1.0f, character);
                    }
                }
                if (CurrentFixerAction == FixActions.Tinker)
                {
                    CurrentFixer.CheckTalents(AbilityEffectType.OnStopTinkering);
                }
                CurrentFixer.AnimController.StopUsingItem();
                CurrentFixer = null;
                currentRepairItem = null;
                currentFixerAction = FixActions.None;
#if CLIENT
                qteTimer = QteDuration;
                qteCooldown = 0.0f;
                repairSoundChannel?.FadeOutAndDispose();
                repairSoundChannel = null;
#endif
                return true;
            }
            else
            {
                return false;
            }
        }
 
        public override void UpdateBroken(float deltaTime, Camera cam)
        {
            Update(deltaTime, cam);
        }
 
        public void ResetDeterioration()
        {
            deteriorationTimer = Rand.Range(MinDeteriorationDelay, MaxDeteriorationDelay);
            item.Condition = item.MaxCondition;
#if SERVER
            //let the clients know the deterioration delay
            item.CreateServerEvent(this);
#endif
        }
 
        public override void Update(float deltaTime, Camera cam)
        {
            UpdateProjSpecific(deltaTime);
            IsTinkering = false;
 
            if (prevSentConditionValue != (int)item.ConditionPercentage || conditionSignal == null)
            {
                prevSentConditionValue = (int)item.ConditionPercentage;
                conditionSignal = prevSentConditionValue.ToString();
            }
 
            item.SendSignal(conditionSignal, "condition_out");
 
            foreach (var component in item.Components)
            {
                if (component is IDeteriorateUnderStress deteriorateUnderStress)
                {
                    if (deteriorateUnderStress.CurrentStress >= StressDeteriorationThreshold)
                    {
                        StressDeteriorationMultiplier = Math.Min(StressDeteriorationMultiplier + deltaTime * StressDeteriorationIncreaseSpeed, MaxStressDeteriorationMultiplier);
                    }
                    else
                    {
                        StressDeteriorationMultiplier = Math.Max(StressDeteriorationMultiplier - deltaTime * StressDeteriorationDecreaseSpeed, 1.0f);
                    }
                }
            }
 
            if (ForceDeteriorationTimer > 0.0f)
            {
                ForceDeteriorationTimer -= deltaTime;
                if (ForceDeteriorationTimer <= 0.0f)
                {
#if SERVER
                    //let the clients know the deterioration delay
                    item.CreateServerEvent(this);
#endif
                }
            }
            if (CurrentFixer == null)
            {
                updateDeteriorationCounter++;
                if (updateDeteriorationCounter >= UpdateDeteriorationInterval)
                {
                    UpdateDeterioration(deltaTime * UpdateDeteriorationInterval);
                    updateDeteriorationCounter = 0;
                }
                return;
            }
 
            UpdateFixAnimation(CurrentFixer);
 
            if (GameMain.NetworkMember != null && GameMain.NetworkMember.IsClient) { return; }
 
            if (CurrentFixer != null && (CurrentFixer.SelectedItem != item || !CurrentFixer.CanInteractWith(item) || CurrentFixer.IsDead))
            {
                StopRepairing(CurrentFixer);
                return;
            }
 
            if (currentFixerAction == FixActions.Tinker)
            {
                tinkeringDuration -= deltaTime;
                // not great to interject it here, should be less reliant on returning
 
                float conditionDecrease = deltaTime * (CurrentFixer.GetStatValue(StatTypes.TinkeringDamage) / item.Prefab.Health) * 100f;
                item.Condition -= conditionDecrease;
 
                if (!CanTinker(CurrentFixer) || tinkeringDuration <= 0f)
                {
                    StopRepairing(CurrentFixer);
                }
                else
                {
                    IsTinkering = true;
                }
                return;
            }
 
            float successFactor = RequiredSkills.Count == 0 ? 1.0f : RepairDegreeOfSuccess(CurrentFixer, RequiredSkills);
 
            //item must have been below the repair threshold for the player to get an achievement or XP for repairing it
            if (IsBelowRepairThreshold)
            {
                wasBroken = true;
            }
            if (item.ConditionPercentage > MinSabotageCondition)
            {
                wasGoodCondition = true;
            }
 
            float talentMultiplier = CurrentFixer.GetStatValue(StatTypes.RepairSpeed);
            foreach (Skill skill in RequiredSkills)
            {
                if (skill.Identifier == "mechanical")
                {
                    talentMultiplier += CurrentFixer.GetStatValue(StatTypes.MechanicalRepairSpeed);
                }
                else if (skill.Identifier == "electrical")
                {
                    talentMultiplier += CurrentFixer.GetStatValue(StatTypes.ElectricalRepairSpeed);
                }
            }
 
            float fixDuration = MathHelper.Lerp(FixDurationLowSkill, FixDurationHighSkill, successFactor);
            fixDuration /= 1 + talentMultiplier + currentRepairItem?.Prefab.AddedRepairSpeedMultiplier ?? 0f;
            fixDuration /= 1 + item.GetQualityModifier(Quality.StatType.RepairSpeed);
            
            item.MaxRepairConditionMultiplier = GetMaxRepairConditionMultiplier(CurrentFixer);
 
            if (currentFixerAction == FixActions.Repair)
            {
                if (fixDuration <= 0.0f)
                {
                    item.Condition = item.MaxCondition;
                }
                else
                {
                    // scale with prefab's health instead of real health to ensure repair speed remains static with upgrades
                    float conditionIncrease = deltaTime / (fixDuration / item.Prefab.Health);
                    item.Condition += conditionIncrease;
#if SERVER
                    GameMain.Server.KarmaManager.OnItemRepaired(CurrentFixer, this, conditionIncrease);
#endif
                }
 
                if (item.IsFullCondition)
                {
                    if (wasBroken)
                    {
                        foreach (Skill skill in RequiredSkills)
                        {
                            CurrentFixer.Info?.ApplySkillGain(skill.Identifier, SkillSettings.Current.SkillIncreasePerRepair);
                        }
                        AchievementManager.OnItemRepaired(item, CurrentFixer);
                        CurrentFixer.CheckTalents(AbilityEffectType.OnRepairComplete, new AbilityRepairable(item));
                    }
                    if (CurrentFixer?.SelectedItem == item) { CurrentFixer.SelectedItem = null; }
                    deteriorationTimer = Rand.Range(MinDeteriorationDelay, MaxDeteriorationDelay);
                    wasBroken = false;
                    StopRepairing(CurrentFixer);
#if SERVER
                    prevLoggedFixer = null;
                    prevLoggedFixAction = FixActions.None;
#endif
                }
            }
            else if (currentFixerAction == FixActions.Sabotage)
            {
                if (fixDuration <= 0.0f)
                {
                    item.Condition = item.MaxCondition * (MinSabotageCondition / 100);
                }
                else
                {
                    // scale with prefab's health instead of real health to ensure sabotage speed remains static with (any) upgrades
                    float conditionDecrease = deltaTime / (fixDuration / item.Prefab.Health);
                    item.Condition -= conditionDecrease;
                }
 
                if (item.ConditionPercentage <= MinSabotageCondition)
                {
                    if (wasGoodCondition)
                    {
                        foreach (Skill skill in RequiredSkills)
                        {
                            float characterSkillLevel = CurrentFixer.GetSkillLevel(skill.Identifier);
                            CurrentFixer.Info?.IncreaseSkillLevel(skill.Identifier,
                                SkillSettings.Current.SkillIncreasePerSabotage / Math.Max(characterSkillLevel, 1.0f));
                        }
 
                        deteriorationTimer = 0.0f;
                        ForceDeteriorationTimer = SabotageDeteriorationDuration;
                        item.Condition = item.MaxCondition * (MinSabotageCondition / 100);
                        wasGoodCondition = false;
                    }
                    StopRepairing(CurrentFixer);
                }
            }
            else
            {
                throw new NotImplementedException(currentFixerAction.ToString());
            }
        }
 
        private void UpdateDeterioration(float deltaTime)
        {
            if (item.Condition <= 0.0f) { return; }
            if (!ShouldDeteriorate()) { return; }
 
            //forced deterioration doesn't tick down the timer for spontaneous deterioration
            if (deteriorationTimer > 0.0f && ForceDeteriorationTimer <= 0.0f)
            {
                if (GameMain.NetworkMember == null || !GameMain.NetworkMember.IsClient)
                {
                    deteriorationTimer -= deltaTime * GetDeteriorationDelayMultiplier();
#if SERVER
                    if (deteriorationTimer <= 0.0f) { item.CreateServerEvent(this); }
#endif
                }
                return;
            }
 
            if (item.ConditionPercentage > MinDeteriorationCondition)
            {
                float deteriorationSpeed = item.StatManager.GetAdjustedValueMultiplicative(ItemTalentStats.DetoriationSpeed, DeteriorationSpeed);
                if (ForceDeteriorationTimer > 0.0f) { deteriorationSpeed = Math.Max(deteriorationSpeed, 1.0f); }
                item.Condition -= deteriorationSpeed * StressDeteriorationMultiplier * deltaTime;
            }            
        }
 
        private float GetMaxRepairConditionMultiplier(Character character)
        {
            if (character == null) { return 1.0f; }
            // kind of rough to keep this in update, but seems most robust
            if (RequiredSkills.Any(s => s != null && s.Identifier == "mechanical"))
            {
                return 1 + character.GetStatValue(StatTypes.MaxRepairConditionMultiplierMechanical);
            }
            if (RequiredSkills.Any(s => s != null && s.Identifier == "electrical"))
            {
                return 1 + character.GetStatValue(StatTypes.MaxRepairConditionMultiplierElectrical);
            }
            return 1.0f;
        }
 
        private bool IsTinkerable(Character character)
        {
            if (!character.HasAbilityFlag(AbilityFlags.CanTinker)) { return false; }
            if (item.GetComponent<Engine>() != null) { return true; }
            if (item.GetComponent<Pump>() != null) { return true; }
            if (item.HasTag(Tags.TurretAmmoSource)) { return true; }
            if (!character.HasAbilityFlag(AbilityFlags.CanTinkerFabricatorsAndDeconstructors)) { return false; }
            if (item.GetComponent<Fabricator>() != null) { return true; }
            if (item.GetComponent<Deconstructor>() != null) { return true; }
            return false;
        }
 
        private Affliction GetTinkerExhaustion(Character character)
        {
            return character.CharacterHealth.GetAffliction("tinkerexhaustion");
        }
 
        private bool CanTinker(Character character)
        {
            if (!IsTinkerable(character)) { return false; }
            if (GetTinkerExhaustion(character) is Affliction tinkerExhaustion && tinkerExhaustion.Strength <= tinkerExhaustion.Prefab.MaxStrength) { return false; }
            return true;
        }
 
        partial void UpdateProjSpecific(float deltaTime);
 
        public void AdjustPowerConsumption(ref float powerConsumption)
        {
            if (IsBelowRepairThreshold)
            {
                powerConsumption *= MathHelper.Lerp(1.5f, 1.0f, item.Condition / item.MaxCondition);
            }
        }
 
        private bool ShouldDeteriorate()
        {
            if (ForceDeteriorationTimer > 0.0f) { return true; }
 
            if (Level.IsLoadedFriendlyOutpost) { return false; }
#if CLIENT
            if (GameMain.GameSession?.GameMode is TutorialMode) { return false; }
#endif
 
            if (LastActiveTime > Timing.TotalTime) { return true; }
            foreach (ItemComponent ic in item.Components)
            {
                if (ic is Fabricator || ic is Deconstructor)
                {
                    //fabricators and deconstructors rely on LastActiveTime
                    return false;
                }
                else if (ic is PowerTransfer pt)
                {
                    //power transfer items (junction boxes, relays) don't deteriorate if they're no carrying any power
                    if (pt.Voltage > 0.1f) { return true; }
                }
                else if (ic is PowerContainer pc)
                {
                    //batteries don't deteriorate if they're not charging/discharging
                    if (Math.Abs(pc.CurrPowerConsumption) > 0.1f || Math.Abs(pc.CurrPowerOutput) > 0.1f) { return true; }
                }
                else if (ic is Engine engine)
                {
                    //engines don't deteriorate if they're not running
                    if (Math.Abs(engine.Force) > 1.0f) { return true; }
                }
                else if (ic is Pump pump)
                {
                    //pumps don't deteriorate if they're not running
                    if (Math.Abs(pump.FlowPercentage) > 1.0f && pump.IsActive && pump.HasPower) { return true; }
                }
                else if (ic is Reactor reactor)
                {
                    //reactors don't deteriorate if they're not powered up
                    if (reactor.Temperature > 0.1f) { return true; }
                }
                else if (ic is OxygenGenerator oxyGenerator)
                {
                    //oxygen generators don't deteriorate if they're not running
                    if (oxyGenerator.CurrFlow > 0.1f) { return true; }
                }
                else if (ic is Powered powered && powered is not LightComponent)
                {
                    if (powered.Voltage >= powered.MinVoltage) { return true; }
                }
            }
 
            return false;
        }
 
        private float GetDeteriorationDelayMultiplier()
        {
            foreach (ItemComponent ic in item.Components)
            {
                if (ic is Engine engine)
                {
                    return Math.Abs(engine.Force) / 100.0f;
                }
                else if (ic is Pump pump)
                {
                    return Math.Abs(pump.FlowPercentage) / 100.0f;
                }
                else if (ic is Reactor reactor)
                {
                    return (reactor.FissionRate + reactor.TurbineOutput) / 200.0f;
                }
            }
            return 1.0f;
        }
 
        private void UpdateFixAnimation(Character character)
        {
            if (character == null || character.IsDead || character.IsIncapacitated) { return; }
            character.AnimController.UpdateUseItem(false, item.WorldPosition + new Vector2(0.0f, 100.0f) * ((item.Condition / item.MaxCondition) % 0.1f));
        }
 
        public override void ReceiveSignal(Signal signal, Connection connection)
        {
            //do nothing
            //Repairables should always stay active, so we don't want to use the default behavior
            //where set_active/set_state signals can disable the component
        }
    }
 
    internal sealed class AbilityRepairable : AbilityObject, IAbilityItem
    {
        public Item Item { get; set; }
 
        public AbilityRepairable(Item item)
        {
            Item = item;
        }
    }
}