Add sprite for vent under-pressure lock-out (#29527)

Content.Server/Atmos/Piping/Unary/EntitySystems/GasVentPumpSystem.cs

@@ -83,13 +83,18 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
             var timeDelta = args.dt;
             var pressureDelta = timeDelta * vent.TargetPressureChange;
 
+            var lockout = (environment.Pressure < vent.UnderPressureLockoutThreshold);
+            if (vent.UnderPressureLockout != lockout) // update visuals only if this changes
+            {
+                vent.UnderPressureLockout = lockout;
+                UpdateState(uid, vent);
+            }
+
             if (vent.PumpDirection == VentPumpDirection.Releasing && pipe.Air.Pressure > 0)
             {
                 if (environment.Pressure > vent.MaxPressure)
                     return;
 
-                vent.UnderPressureLockout = (environment.Pressure < vent.UnderPressureLockoutThreshold);
-
                 if ((vent.PressureChecks & VentPressureBound.ExternalBound) != 0)
                 {
                     // Vents cannot supply high pressures from an almost empty pipe, instead it's proportional to the pipe
@@ -267,6 +272,9 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
             }
             else if (vent.PumpDirection == VentPumpDirection.Releasing)
             {
+                if (vent.UnderPressureLockout & !vent.PressureLockoutOverride)
+                    _appearance.SetData(uid, VentPumpVisuals.State, VentPumpState.Lockout, appearance);
+                else
                     _appearance.SetData(uid, VentPumpVisuals.State, VentPumpState.Out, appearance);
             }
             else if (vent.PumpDirection == VentPumpDirection.Siphoning)
@@ -281,7 +289,7 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
                 return;
             if (args.IsInDetailsRange)
             {
-                if (pumpComponent.UnderPressureLockout & !pumpComponent.PressureLockoutOverride)
+                if (pumpComponent.PumpDirection == VentPumpDirection.Releasing & pumpComponent.UnderPressureLockout & !pumpComponent.PressureLockoutOverride)
                 {
                     args.PushMarkup(Loc.GetString("gas-vent-pump-uvlo"));
                 }

Content.Shared/Atmos/Piping/Unary/Visuals/VentPumpVisuals.cs

@@ -15,5 +15,6 @@ namespace Content.Shared.Atmos.Visuals
         In,
         Out,
         Welded,
+        Lockout,
     }
 }

Resources/Prototypes/Entities/Structures/Piping/Atmospherics/binary.yml

@@ -301,6 +301,7 @@
             In: { state: vent_in }
             Out: { state: vent_out }
             Welded: { state: vent_welded }
+            Lockout: { state: vent_lockout }
     - type: PipeColorVisuals
     - type: GasVentPump
       inlet: inlet

Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml

@@ -55,6 +55,7 @@
             In: { state: vent_in }
             Out: { state: vent_out }
             Welded: { state: vent_welded }
+            Lockout: { state: vent_lockout }
     - type: GasVentPump
     - type: Construction
       graph: GasUnary

Resources/Textures/Structures/Piping/Atmospherics/vent.rsi/meta.json

@@ -28,6 +28,10 @@
          "name":"vent_in",
          "directions" : 4,
          "delays":[ [ 0.08, 0.08, 0.08, 0.08 ], [ 0.08, 0.08, 0.08, 0.08 ], [ 0.08, 0.08, 0.08, 0.08 ], [ 0.08, 0.08, 0.08, 0.08 ] ]
+      },
+      {
+         "name":"vent_lockout",
+         "directions" : 4
       }
    ]
 }