Add an air monitor script and necessary additions to the Sequencer.

Mixins/Sequencer/SequenceableDoor.cs

@@ -0,0 +1,66 @@
+using Sandbox.ModAPI.Ingame;
+using System.Collections.Generic;
+using VRage.Game.ModAPI.Ingame.Utilities;
+
+namespace IngameScript
+{
+    partial class Program
+    {
+        public class SequenceableDoor : ISequenceable
+        {
+            public bool Running { get; }
+            public int Step { get; set; }
+
+            private IMyDoor _door;
+            public bool DeployOpen { get; set; }
+            public bool LockOpen { get; set; }
+            public bool LockClosed { get; set; }
+
+            public SequenceableDoor(
+                IMyDoor door,
+                MyIni ini,
+                string sectionName)
+            {
+                _door = door;
+
+                ini.TryParse(door.CustomData);
+                DeployOpen = ini.Get(sectionName, "deployOpen").ToBoolean(true);
+                LockOpen = ini.Get(sectionName, "lockOpen").ToBoolean(true);
+                LockClosed = ini.Get(sectionName, "lockClosed").ToBoolean(true);
+                Step = ini.Get(sectionName, "step").ToInt32(0);
+            }
+
+            public IEnumerator<bool> Run(bool deploy)
+            {
+                if (deploy && DeployOpen || !deploy && !DeployOpen)
+                {
+                    foreach (bool tick in _openDoor()) yield return true;
+                }
+                else
+                {
+                    foreach (bool tick in _closeDoor()) yield return true;
+                }
+            }
+
+            public IEnumerable<bool> _openDoor()
+            {
+                _door.Enabled = true;
+                _door.OpenDoor();
+                while (_door.Status != DoorStatus.Open) yield return true;
+                if (LockOpen) {
+                    _door.Enabled = false;
+                }
+            }
+
+            public IEnumerable<bool> _closeDoor()
+            {
+                _door.Enabled = true;
+                _door.CloseDoor();
+                while (_door.Status != DoorStatus.Closed) yield return true;
+                if (LockClosed) {
+                    _door.Enabled = false;
+                }
+            }
+        }
+    }
+}

Mixins/Sequencer/SequenceableFactory.cs

@@ -27,6 +27,10 @@ namespace IngameScript
                 {
                     //                return new SequenceableMergeBlock(block as IMyShipMergeBlock, step);
                 }
+                if (block is IMyDoor)
+                {
+                    return new SequenceableDoor(block as IMyDoor, ini, sectionName);
+                }
                 return null;
             }
         }