Revert "Make lights dim under low power" (#19708)

Content.Server/Light/EntitySystems/PoweredLightSystem.cs

@@ -4,7 +4,6 @@ using Content.Server.DeviceNetwork.Systems;
 using Content.Server.Ghost;
 using Content.Server.Light.Components;
 using Content.Server.Power.Components;
-using Content.Server.Power.EntitySystems;
 using Content.Server.Temperature.Components;
 using Content.Shared.Audio;
 using Content.Shared.Damage;
@@ -43,7 +42,6 @@ namespace Content.Server.Light.EntitySystems
         [Dependency] private readonly SharedDoAfterSystem _doAfterSystem = default!;
         [Dependency] private readonly SharedAudioSystem _audio = default!;
         [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
-        [Dependency] private readonly PowerReceiverSystem _power = default!;
 
         private static readonly TimeSpan ThunkDelay = TimeSpan.FromSeconds(2);
         public const string LightBulbContainer = "light_bulb";
@@ -243,14 +241,6 @@ namespace Content.Server.Light.EntitySystems
         }
         #endregion
 
-        /// <summary>
-        /// Supply factor (0-1) as input x, returns linear light scale (0-1).
-        /// </summary>
-        private float LightCurve(float x)
-        {
-            return (float)(1/0.8*(x-0.2));
-        }
-
         private void UpdateLight(EntityUid uid,
             PoweredLightComponent? light = null,
             ApcPowerReceiverComponent? powerReceiver = null,
@@ -275,10 +265,9 @@ namespace Content.Server.Light.EntitySystems
             switch (lightBulb.State)
             {
                 case LightBulbState.Normal:
-                    float factor = LightCurve(_power.SupplyFactor(uid, powerReceiver));
-                    if (factor > 0 && light.On)
+                    if (powerReceiver.Powered && light.On)
                     {
-                        SetLight(uid, true, lightBulb.Color, light, lightBulb.LightRadius*factor, lightBulb.LightEnergy*factor, lightBulb.LightSoftness);
+                        SetLight(uid, true, lightBulb.Color, light, lightBulb.LightRadius, lightBulb.LightEnergy, lightBulb.LightSoftness);
                         _appearance.SetData(uid, PoweredLightVisuals.BulbState, PoweredLightState.On, appearance);
                         var time = _gameTiming.CurTime;
                         if (time > light.LastThunk + ThunkDelay)

Content.Server/Power/Components/ApcPowerReceiverComponent.cs

@@ -51,7 +51,6 @@ namespace Content.Server.Power.Components
         }
 
         public bool? PoweredLastUpdate;
-        public float LastPowerReceived;
 
         [ViewVariables]
         public PowerState.Load NetworkLoad { get; } = new PowerState.Load

Content.Server/Power/EntitySystems/PowerNetSystem.cs

@@ -297,14 +297,13 @@ namespace Content.Server.Power.EntitySystems
             while (enumerator.MoveNext(out var uid, out var apcReceiver))
             {
                 var powered = apcReceiver.Powered;
-                if (apcReceiver.LastPowerReceived == apcReceiver.NetworkLoad.ReceivingPower)
+                if (powered == apcReceiver.PoweredLastUpdate)
                     continue;
 
                 if (metaQuery.GetComponent(uid).EntityPaused)
                     continue;
 
                 apcReceiver.PoweredLastUpdate = powered;
-                apcReceiver.LastPowerReceived = apcReceiver.NetworkLoad.ReceivingPower;
                 var ev = new PowerChangedEvent(apcReceiver.Powered, apcReceiver.NetworkLoad.ReceivingPower);
 
                 RaiseLocalEvent(apcReceiver.Owner, ref ev);

Content.Server/Power/EntitySystems/PowerReceiverSystem.cs

@@ -156,25 +156,6 @@ namespace Content.Server.Power.EntitySystems
             return receiver.Powered;
         }
 
-        /// <summary>
-        /// Return the fraction of the load power that is actually supplied to this receiver, e.g. 1
-        /// if full power and 0 if no power. Better at handling brownouts compared to IsPowered().
-        /// Handles always-powered devices correctly.
-        /// </summary>
-        public float SupplyFactor(EntityUid uid, ApcPowerReceiverComponent? receiver = null)
-        {
-            if (!Resolve(uid, ref receiver, false))
-                return 1f;
-
-            if (receiver.PowerDisabled)
-                return 0f;
-
-            if (!receiver.NeedsPower)
-                return 1f;
-
-            return receiver.NetworkLoad.ReceivingPower / receiver.Load;
-        }
-
         /// <summary>
         /// Turn this machine on or off.
         /// Returns true if we turned it on, false if we turned it off.