From c867adb9379d439b808fdcd9402578e2b6287215 Mon Sep 17 00:00:00 2001
From: ArtisticRoomba <145879011+ArtisticRoomba@users.noreply.github.com>
Date: Sun, 7 Dec 2025 19:23:45 -0800
Subject: [PATCH] Revert "Trip APCs when they exceed a power limit (#41377)"
 (#41766)

This reverts commit a5c223c0
---
 Content.Client/Power/APC/UI/ApcMenu.xaml      |  2 +-
 Content.Client/Power/APC/UI/ApcMenu.xaml.cs   |  9 +--
 .../Tests/Power/StationPowerTests.cs          | 70 ++++---------------
 .../Power/Components/ApcComponent.cs          | 28 +-------
 .../Power/EntitySystems/ApcSystem.cs          | 34 +--------
 Content.Shared/APC/SharedApc.cs               | 12 +---
 Resources/Locale/en-US/ui/power-apc.ftl       |  3 +-
 .../Syndicate_Gadgets/singularity_beacon.yml  |  2 +-
 8 files changed, 25 insertions(+), 135 deletions(-)

diff --git a/Content.Client/Power/APC/UI/ApcMenu.xaml b/Content.Client/Power/APC/UI/ApcMenu.xaml
index 682aea55d2..4c14dcc0ad 100644
--- a/Content.Client/Power/APC/UI/ApcMenu.xaml
+++ b/Content.Client/Power/APC/UI/ApcMenu.xaml
@@ -19,7 +19,7 @@
                         <!-- Power On/Off -->
                         <Label Text="{Loc 'apc-menu-breaker-label'}" HorizontalExpand="True"
                                 StyleClasses="highlight" MinWidth="120"/>
-                        <BoxContainer Orientation="Horizontal" MinWidth="150">
+                        <BoxContainer Orientation="Horizontal" MinWidth="90">
                             <Button Name="BreakerButton" Text="{Loc 'apc-menu-breaker-button'}" HorizontalExpand="True" ToggleMode="True"/>
                         </BoxContainer>
                         <!--Charging Status-->
diff --git a/Content.Client/Power/APC/UI/ApcMenu.xaml.cs b/Content.Client/Power/APC/UI/ApcMenu.xaml.cs
index 097ee71581..14c00986ce 100644
--- a/Content.Client/Power/APC/UI/ApcMenu.xaml.cs
+++ b/Content.Client/Power/APC/UI/ApcMenu.xaml.cs
@@ -40,14 +40,7 @@ namespace Content.Client.Power.APC.UI
 
             if (PowerLabel != null)
             {
-                if (castState.Tripped)
-                {
-                    PowerLabel.Text = Loc.GetString("apc-menu-power-state-label-tripped");
-                }
-                else
-                {
-                    PowerLabel.Text = Loc.GetString("apc-menu-power-state-label-text", ("power", castState.Power), ("maxLoad", castState.MaxLoad));
-                }
+                PowerLabel.Text = Loc.GetString("apc-menu-power-state-label-text", ("power", castState.Power));
             }
 
             if (ExternalPowerStateLabel != null)
diff --git a/Content.IntegrationTests/Tests/Power/StationPowerTests.cs b/Content.IntegrationTests/Tests/Power/StationPowerTests.cs
index a2231ce60f..3a0af28e48 100644
--- a/Content.IntegrationTests/Tests/Power/StationPowerTests.cs
+++ b/Content.IntegrationTests/Tests/Power/StationPowerTests.cs
@@ -7,11 +7,11 @@ using Content.Server.Power.NodeGroups;
 using Content.Server.Power.Pow3r;
 using Content.Shared.Power.Components;
 using Content.Shared.NodeContainer;
-using Robust.Server.GameObjects;
 using Robust.Shared.EntitySerialization;
 
 namespace Content.IntegrationTests.Tests.Power;
 
+[Explicit]
 public sealed class StationPowerTests
 {
     /// <summary>
@@ -21,21 +21,27 @@ public sealed class StationPowerTests
 
     private static readonly string[] GameMaps =
     [
+        "Fland",
+        "Meta",
+        "Packed",
+        "Omega",
         "Bagel",
         "Box",
-        "Elkridge",
-        "Fland",
+        "Core",
         "Marathon",
+        "Saltern",
+        "Reach",
+        "Train",
         "Oasis",
-        "Packed",
+        "Gate",
+        "Amber",
+        "Loop",
         "Plasma",
+        "Elkridge",
+        "Convex",
         "Relic",
-        "Snowball",
-        "Reach",
-        "Exo",
     ];
 
-    [Explicit]
     [Test, TestCaseSource(nameof(GameMaps))]
     public async Task TestStationStartingPowerWindow(string mapProtoId)
     {
@@ -94,54 +100,6 @@ public sealed class StationPowerTests
                 $"Needs at least {requiredStoredPower - totalStartingCharge} more stored power!");
         });
 
-        await pair.CleanReturnAsync();
-    }
-
-    [Test, TestCaseSource(nameof(GameMaps))]
-    public async Task TestApcLoad(string mapProtoId)
-    {
-        await using var pair = await PoolManager.GetServerClient(new PoolSettings
-        {
-            Dirty = true,
-        });
-        var server = pair.Server;
-
-        var entMan = server.EntMan;
-        var protoMan = server.ProtoMan;
-        var ticker = entMan.System<GameTicker>();
-        var xform = entMan.System<TransformSystem>();
-
-        // Load the map
-        await server.WaitAssertion(() =>
-        {
-            Assert.That(protoMan.TryIndex<GameMapPrototype>(mapProtoId, out var mapProto));
-            var opts = DeserializationOptions.Default with { InitializeMaps = true };
-            ticker.LoadGameMap(mapProto, out var mapId, opts);
-        });
-
-        // Wait long enough for power to ramp up, but before anything can trip
-        await pair.RunSeconds(2);
-
-        // Check that no APCs start overloaded
-        var apcQuery = entMan.EntityQueryEnumerator<ApcComponent, PowerNetworkBatteryComponent>();
-        Assert.Multiple(() =>
-        {
-            while (apcQuery.MoveNext(out var uid, out var apc, out var battery))
-            {
-                // Uncomment the following line to log starting APC load to the console
-                //Console.WriteLine($"ApcLoad:{mapProtoId}:{uid}:{battery.CurrentSupply}");
-                if (xform.TryGetMapOrGridCoordinates(uid, out var coord))
-                {
-                    Assert.That(apc.MaxLoad, Is.GreaterThanOrEqualTo(battery.CurrentSupply),
-                            $"APC {uid} on {mapProtoId} ({coord.Value.X}, {coord.Value.Y}) is overloaded {battery.CurrentSupply} / {apc.MaxLoad}");
-                }
-                else
-                {
-                    Assert.That(apc.MaxLoad, Is.GreaterThanOrEqualTo(battery.CurrentSupply),
-                            $"APC {uid} on {mapProtoId} is overloaded {battery.CurrentSupply} / {apc.MaxLoad}");
-                }
-            }
-        });
 
         await pair.CleanReturnAsync();
     }
diff --git a/Content.Server/Power/Components/ApcComponent.cs b/Content.Server/Power/Components/ApcComponent.cs
index 8309304d84..0bf9bc1872 100644
--- a/Content.Server/Power/Components/ApcComponent.cs
+++ b/Content.Server/Power/Components/ApcComponent.cs
@@ -5,7 +5,7 @@ using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
 
 namespace Content.Server.Power.Components;
 
-[RegisterComponent, AutoGenerateComponentPause]
+[RegisterComponent]
 public sealed partial class ApcComponent : BaseApcNetComponent
 {
     [DataField("onReceiveMessageSound")]
@@ -34,32 +34,6 @@ public sealed partial class ApcComponent : BaseApcNetComponent
     public const float HighPowerThreshold = 0.9f;
     public static TimeSpan VisualsChangeDelay = TimeSpan.FromSeconds(1);
 
-    /// <summary>
-    /// Maximum continuous load in Watts that this APC can supply to loads. Exceeding this starts a
-    /// timer, which after enough overloading causes the APC to "trip" off.
-    /// </summary>
-    [DataField]
-    public float MaxLoad = 20e3f;
-
-    /// <summary>
-    /// Time that the APC can be continuously overloaded before tripping off.
-    /// </summary>
-    [DataField]
-    public TimeSpan TripTime = TimeSpan.FromSeconds(3);
-
-    /// <summary>
-    /// Time that overloading began.
-    /// </summary>
-    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer)), AutoPausedField]
-    public TimeSpan? TripStartTime;
-
-    /// <summary>
-    /// Set to true if the APC tripped off. Used to indicate problems in the UI. Reset by switching
-    /// APC on.
-    /// </summary>
-    [DataField]
-    public bool TripFlag;
-
     // TODO ECS power a little better!
     // End the suffering
     protected override void AddSelfToNet(IApcNet apcNet)
diff --git a/Content.Server/Power/EntitySystems/ApcSystem.cs b/Content.Server/Power/EntitySystems/ApcSystem.cs
index b3b2330a3c..ed7ec0e225 100644
--- a/Content.Server/Power/EntitySystems/ApcSystem.cs
+++ b/Content.Server/Power/EntitySystems/ApcSystem.cs
@@ -43,12 +43,11 @@ public sealed class ApcSystem : EntitySystem
     public override void Update(float deltaTime)
     {
         var query = EntityQueryEnumerator<ApcComponent, PowerNetworkBatteryComponent, UserInterfaceComponent>();
-        var curTime = _gameTiming.CurTime;
         while (query.MoveNext(out var uid, out var apc, out var battery, out var ui))
         {
-            if (apc.LastUiUpdate + ApcComponent.VisualsChangeDelay < curTime && _ui.IsUiOpen((uid, ui), ApcUiKey.Key))
+            if (apc.LastUiUpdate + ApcComponent.VisualsChangeDelay < _gameTiming.CurTime && _ui.IsUiOpen((uid, ui), ApcUiKey.Key))
             {
-                apc.LastUiUpdate = curTime;
+                apc.LastUiUpdate = _gameTiming.CurTime;
                 UpdateUIState(uid, apc, battery);
             }
 
@@ -56,28 +55,6 @@ public sealed class ApcSystem : EntitySystem
             {
                 UpdateApcState(uid, apc, battery);
             }
-
-            // Overload
-            if (apc.MainBreakerEnabled && battery.CurrentSupply > apc.MaxLoad)
-            {
-                // Not already overloaded, start timer
-                if (apc.TripStartTime == null)
-                {
-                    apc.TripStartTime = curTime;
-                }
-                else
-                {
-                    if (curTime - apc.TripStartTime > apc.TripTime)
-                    {
-                        apc.TripFlag = true;
-                        ApcToggleBreaker(uid, apc, battery); // off, we already checked MainBreakerEnabled above
-                    }
-                }
-            }
-            else
-            {
-                apc.TripStartTime = null;
-            }
         }
     }
 
@@ -129,9 +106,6 @@ public sealed class ApcSystem : EntitySystem
         apc.MainBreakerEnabled = !apc.MainBreakerEnabled;
         battery.CanDischarge = apc.MainBreakerEnabled;
 
-        if (apc.MainBreakerEnabled)
-            apc.TripFlag = false;
-
         UpdateUIState(uid, apc);
         _audio.PlayPvs(apc.OnReceiveMessageSound, uid, AudioParams.Default.WithVolume(-2f));
     }
@@ -195,9 +169,7 @@ public sealed class ApcSystem : EntitySystem
 
         var state = new ApcBoundInterfaceState(apc.MainBreakerEnabled,
             (int) MathF.Ceiling(battery.CurrentSupply), apc.LastExternalState,
-            charge,
-            apc.MaxLoad,
-            apc.TripFlag);
+            charge);
 
         _ui.SetUiState((uid, ui), ApcUiKey.Key, state);
     }
diff --git a/Content.Shared/APC/SharedApc.cs b/Content.Shared/APC/SharedApc.cs
index c8bf1cc3e8..802c06a6ab 100644
--- a/Content.Shared/APC/SharedApc.cs
+++ b/Content.Shared/APC/SharedApc.cs
@@ -181,17 +181,13 @@ namespace Content.Shared.APC
         public readonly int Power;
         public readonly ApcExternalPowerState ApcExternalPower;
         public readonly float Charge;
-        public readonly float MaxLoad;
-        public readonly bool Tripped;
 
-        public ApcBoundInterfaceState(bool mainBreaker, int power, ApcExternalPowerState apcExternalPower, float charge, float maxLoad, bool tripped)
+        public ApcBoundInterfaceState(bool mainBreaker, int power, ApcExternalPowerState apcExternalPower, float charge)
         {
             MainBreaker = mainBreaker;
             Power = power;
             ApcExternalPower = apcExternalPower;
             Charge = charge;
-            MaxLoad = maxLoad;
-            Tripped = tripped;
         }
 
         public bool Equals(ApcBoundInterfaceState? other)
@@ -201,9 +197,7 @@ namespace Content.Shared.APC
             return MainBreaker == other.MainBreaker &&
                    Power == other.Power &&
                    ApcExternalPower == other.ApcExternalPower &&
-                   MathHelper.CloseTo(Charge, other.Charge) &&
-                   MathHelper.CloseTo(MaxLoad, other.MaxLoad) &&
-                   Tripped == other.Tripped;
+                   MathHelper.CloseTo(Charge, other.Charge);
         }
 
         public override bool Equals(object? obj)
@@ -213,7 +207,7 @@ namespace Content.Shared.APC
 
         public override int GetHashCode()
         {
-            return HashCode.Combine(MainBreaker, Power, (int) ApcExternalPower, Charge, MaxLoad, Tripped);
+            return HashCode.Combine(MainBreaker, Power, (int) ApcExternalPower, Charge);
         }
     }
 
diff --git a/Resources/Locale/en-US/ui/power-apc.ftl b/Resources/Locale/en-US/ui/power-apc.ftl
index 125d77fa7c..d30a906d1c 100644
--- a/Resources/Locale/en-US/ui/power-apc.ftl
+++ b/Resources/Locale/en-US/ui/power-apc.ftl
@@ -10,8 +10,7 @@ apc-menu-charge-label = {$percent} Charged
 apc-menu-power-state-good = Good
 apc-menu-power-state-low = Low
 apc-menu-power-state-none = None
-apc-menu-power-state-label-text = { POWERWATTS($power) } / { POWERWATTS($maxLoad) }
-apc-menu-power-state-label-tripped = OVERLOAD
+apc-menu-power-state-label-text = { POWERWATTS($power) }
 
 # For the flavor text on the footer
 
diff --git a/Resources/Prototypes/Entities/Objects/Devices/Syndicate_Gadgets/singularity_beacon.yml b/Resources/Prototypes/Entities/Objects/Devices/Syndicate_Gadgets/singularity_beacon.yml
index 5c5dcd8979..28da7331d2 100644
--- a/Resources/Prototypes/Entities/Objects/Devices/Syndicate_Gadgets/singularity_beacon.yml
+++ b/Resources/Prototypes/Entities/Objects/Devices/Syndicate_Gadgets/singularity_beacon.yml
@@ -38,6 +38,6 @@
       - !type:DoActsBehavior
         acts: [ "Destruction" ]
   - type: ApcPowerReceiver
-    powerLoad: 5000
+    powerLoad: 15000
   - type: StaticPrice
     price: 7500
-- 
2.52.0