First commit

Subsurface/Items/Components/OxygenGenerator.cs

@@ -0,0 +1,85 @@
+using System;
+using System.Collections.Generic;
+using System.Xml.Linq;
+
+namespace Subsurface.Items.Components
+{
+    class OxygenGenerator : Powered
+    {
+        PropertyTask powerUpTask;
+
+        bool running;
+
+        List<Vent> ventList;
+
+        public bool IsRunning()
+        {
+            return running && item.Condition>0.0f;
+        }
+
+        public OxygenGenerator(Item item, XElement element)
+            : base(item, element)
+        {
+            isActive = true;
+
+            ventList = new List<Vent>();
+
+            item.linkedTo.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(
+                delegate(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+                { GetVents(); }
+            );
+        }
+
+        public override void Update(float deltaTime, Camera cam)
+        {
+            base.Update(deltaTime, cam);
+
+            currPowerConsumption = powerConsumption;
+
+            if (item.currentHull == null) return;
+
+            if (voltage < minVoltage)
+            {
+                running = false;
+                if (powerUpTask==null || powerUpTask.IsFinished)
+                {
+                    powerUpTask = new PropertyTask(Game1.gameSession.taskManager, item, IsRunning, 30.0f, "Turn on the oxygen generator");
+                }
+                return;                
+            }
+
+            running = true;
+            
+            float deltaOxygen = Math.Min(voltage, 1.0f) * 50000.0f;
+            item.currentHull.Oxygen += deltaOxygen * deltaTime;
+
+            UpdateVents(deltaOxygen);
+
+            voltage = 0.0f;
+        }
+
+        private void GetVents()
+        {            
+            foreach (MapEntity entity in item.linkedTo)
+            {
+                Item linkedItem = entity as Item;
+                if (linkedItem == null) continue;
+
+                Vent vent = linkedItem.GetComponent<Vent>();
+                if (vent != null) ventList.Add(vent);                
+            }
+        }
+                
+        private void UpdateVents(float deltaOxygen)
+        {
+            if (ventList.Count == 0) return;
+
+            deltaOxygen = deltaOxygen / ventList.Count;
+            foreach (Vent v in ventList)
+            {
+                v.OxygenFlow = deltaOxygen;
+                v.IsActive = true;
+            }
+        }
+    }
+}