Replaced a couple more foreach loops with for
Replaced a couple more foreach loops with for

--- a/KerbalEngineer/Editor/BuildAdvanced.cs
+++ b/KerbalEngineer/Editor/BuildAdvanced.cs
@@ -215,7 +215,7 @@
                 }
 
                 // Change the window title based on whether in compact mode or not.
-                title = !compactMode ? "KERBAL ENGINEER REDUX " + EngineerGlobals.AssemblyVersion : "K.E.R. " + EngineerGlobals.AssemblyVersion + (showAtmosphericDetails ? " (ATMOS.)" : String.Empty);
+                title = !compactMode ? "KERBAL ENGINEER REDUX " + EngineerGlobals.AssemblyVersion : "K.E.R. " + EngineerGlobals.AssemblyVersion;
 
                 // Reset the window size when the staging or something else has changed.
                 stagesLength = stages.Length;
@@ -354,7 +354,7 @@
                 GUILayout.Space(5.0f);
 
                 GUILayout.BeginVertical();
-                GUILayout.Label("Mach: " + atmosphericMach.ToString("F1"), settingAtmoStyle, GUILayout.Width(125.0f * GuiDisplaySize.Offset));
+                GUILayout.Label("Mach: " + atmosphericMach.ToString("F2"), settingAtmoStyle, GUILayout.Width(125.0f * GuiDisplaySize.Offset));
                 GUI.skin = HighLogic.Skin;
                 atmosphericMach = GUILayout.HorizontalSlider(Mathf.Clamp(atmosphericMach, 0.0f, maxMach), 0.0f, maxMach);
                 GUI.skin = null;
@@ -525,6 +525,11 @@
             GUILayout.BeginHorizontal();
             GUILayout.Label("Simulate using vectored thrust values:");
             SimManager.vectoredThrust = GUILayout.Toggle(SimManager.vectoredThrust, "ENABLED", buttonStyle, GUILayout.Width(100.0f * GuiDisplaySize.Offset));
+            GUILayout.EndHorizontal();
+
+            GUILayout.BeginHorizontal();
+            GUILayout.Label("Verbose Simulation Log:");
+            SimManager.logOutput = GUILayout.Toggle(SimManager.logOutput, "ENABLED", buttonStyle, GUILayout.Width(100.0f * GuiDisplaySize.Offset));
             GUILayout.EndHorizontal();
 
             GUILayout.BeginHorizontal();
@@ -823,6 +828,14 @@
                     bodiesListPosition = new Rect(position.width - 452.0f * GuiDisplaySize.Offset, 5.0f, 125.0f * GuiDisplaySize.Offset, 20.0f);
                     bodiesList.enabled = GUI.Toggle(bodiesListPosition, bodiesList.enabled, "BODY: " + CelestialBodies.SelectedBody.Name.ToUpper(), buttonStyle);
                     bodiesList.SetPosition(bodiesListPosition.Translate(position));
+                }
+                else
+                {
+                    if (GUI.Toggle(new Rect(position.width - 133.0f * GuiDisplaySize.Offset, 5.0f, 60.0f * GuiDisplaySize.Offset, 20.0f), showAtmosphericDetails, "ATMO", buttonStyle) != showAtmosphericDetails)
+                    {
+                        hasChanged = true;
+                        showAtmosphericDetails = !showAtmosphericDetails;
+                    }
                 }
 
                 // Draw the main informational display box.
@@ -841,7 +854,7 @@
                     DrawBurnTime();
                     GUILayout.EndHorizontal();
 
-                    if (showAtmosphericDetails)
+                    if (showAtmosphericDetails && !compactMode)
                     {
                         GUILayout.BeginVertical(areaSettingStyle);
                         DrawAtmosphericDetails();

--- a/KerbalEngineer/Flight/Readouts/Surface/Latitude.cs
+++ b/KerbalEngineer/Flight/Readouts/Surface/Latitude.cs
@@ -20,6 +20,7 @@
 #region Using Directives
 
 using KerbalEngineer.Flight.Sections;
+using KerbalEngineer.Helpers;
 
 #endregion
 
@@ -43,7 +44,7 @@
 
         public override void Draw(SectionModule section)
         {
-            this.DrawLine(KSPUtil.PrintLatitude(FlightGlobals.ship_latitude), section.IsHud);
+            this.DrawLine(Units.ToAngleDMS(FlightGlobals.ship_latitude) + (FlightGlobals.ship_latitude < 0 ? " S" : " N"), section.IsHud);
         }
 
         #endregion

--- a/KerbalEngineer/Flight/Readouts/Vessel/PartCount.cs
+++ b/KerbalEngineer/Flight/Readouts/Vessel/PartCount.cs
@@ -46,7 +46,7 @@
         {
             if (SimulationProcessor.ShowDetails)
             {
-                this.DrawLine(Units.ConcatF(SimulationProcessor.LastStage.partCount, SimulationProcessor.LastStage.totalPartCount), section.IsHud);
+                this.DrawLine(Units.ConcatF(SimulationProcessor.LastStage.partCount, SimulationProcessor.LastStage.totalPartCount, 0), section.IsHud);
             }
         }
 

--- a/KerbalEngineer/Helpers/Units.cs
+++ b/KerbalEngineer/Helpers/Units.cs
@@ -85,6 +85,17 @@
         public static string ToAngle(double value, int decimals = 5)
         {
             return value.ToString("F" + decimals) + "°";
+        }
+
+        public static string ToAngleDMS(double value)
+        {
+            double absAngle = Math.Abs(value);
+            int deg = (int)Math.Floor(absAngle);
+            double rem = absAngle - deg;
+            int min = (int)Math.Floor(rem * 60);
+            rem -= ((double)min / 60);
+            int sec = (int)Math.Floor(rem * 3600);
+            return String.Format("{0:0}° {1:00}' {2:00}\"", deg, min, sec); 
         }
 
         public static string ToDistance(double value, int decimals = 1)

--- a/KerbalEngineer/VesselSimulator/PartSim.cs
+++ b/KerbalEngineer/VesselSimulator/PartSim.cs
@@ -360,8 +360,9 @@
 
             buffer.AppendFormat(", isSep = {0}", isSepratron);
 
-            foreach (int type in resources.Types)
-            {
+            for (int i = 0; i < resources.Types.Count; i++)
+            {
+                int type = resources.Types[i];
                 buffer.AppendFormat(", {0} = {1:g6}", ResourceContainer.GetResourceName(type), resources[type]);
             }
 
@@ -384,8 +385,9 @@
             if (allParts != null)
             {
                 String newPrefix = prefix + " ";
-                foreach (PartSim partSim in allParts)
-                {
+                for (int i = 0; i < allParts.Count; i++)
+                {
+                    PartSim partSim = allParts[i];
                     if (partSim.parent == this)
                     {
                         partSim.DumpPartToBuffer(buffer, newPrefix, allParts);
@@ -398,7 +400,7 @@
         {
             foreach (int type in types)
             {
-                if (resources.HasType(type) && resourceFlowStates[type] != 0 && resources[type] > SimManager.RESOURCE_MIN)
+                if (resources.HasType(type) && resourceFlowStates[type] != 0 && resources[type] > SimManager.RESOURCE_PART_EMPTY_THRESH)
                 {
                     return false;
                 }
@@ -444,47 +446,46 @@
             if (visited.Contains(this))
             {
                 if (log != null)
-                {
                     log.buf.AppendLine(indent + "Returning empty set, already visited (" + name + ":" + partId + ")");
-                }
 
                 return;
             }
 
-            //if (log != null)
-            //    log.buf.AppendLine(indent + "Adding this to visited");
+            if (log != null)
+                log.buf.AppendLine(indent + "Adding this to visited");
 
             visited.Add(this);
 
             // Rule 2: Part performs scan on start of every fuel pipe ending in it. This scan is done in order in which pipes were installed.
             // Then it makes an union of fuel tank sets each pipe scan returned. If the resulting list is not empty, it is returned as result.
-            //MonoBehaviour.print("foreach fuel line");
+            //MonoBehaviour.print("for each fuel line");
 
             int lastCount = allSources.Count;
 
             for (int i = 0; i < this.fuelTargets.Count; i++)
             {
                 PartSim partSim = this.fuelTargets[i];
-                if (visited.Contains(partSim))
-                {
-                    //if (log != null)
-                    //    log.buf.AppendLine(indent + "Fuel target already visited, skipping (" + partSim.name + ":" + partSim.partId + ")");
-                }
-                else
-                {
-                    //if (log != null)
-                    //    log.buf.AppendLine(indent + "Adding fuel target as source (" + partSim.name + ":" + partSim.partId + ")");
-
-                    partSim.GetSourceSet(type, allParts, visited, allSources, log, indent);
+                if (partSim != null)
+                {
+                    if (visited.Contains(partSim))
+                    {
+                        if (log != null)
+                            log.buf.AppendLine(indent + "Fuel target already visited, skipping (" + partSim.name + ":" + partSim.partId + ")");
+                    }
+                    else
+                    {
+                        if (log != null)
+                            log.buf.AppendLine(indent + "Adding fuel target as source (" + partSim.name + ":" + partSim.partId + ")");
+
+                        partSim.GetSourceSet(type, allParts, visited, allSources, log, indent);
+                    }
                 }
             }
 
             if (allSources.Count > lastCount)
             {
                 if (log != null)
-                {
                     log.buf.AppendLine(indent + "Returning " + (allSources.Count - lastCount) + " fuel target sources (" + this.name + ":" + this.partId + ")");
-                }
 
                 return;
             }
@@ -500,7 +501,7 @@
             if (fuelCrossFeed)
             {
                 lastCount = allSources.Count;
-                //MonoBehaviour.print("foreach attach node");
+                //MonoBehaviour.print("for each attach node");
                 for (int i = 0; i < this.attachNodes.Count; i++)
                 {
                     AttachNodeSim attachSim = this.attachNodes[i];
@@ -514,13 +515,13 @@
                             {
                                 if (visited.Contains(attachSim.attachedPartSim))
                                 {
-                                    //if (log != null)
-                                    //    log.buf.AppendLine(indent + "Attached part already visited, skipping (" + attachSim.attachedPartSim.name + ":" + attachSim.attachedPartSim.partId + ")");
+                                    if (log != null)
+                                        log.buf.AppendLine(indent + "Attached part already visited, skipping (" + attachSim.attachedPartSim.name + ":" + attachSim.attachedPartSim.partId + ")");
                                 }
                                 else
                                 {
-                                    //if (log != null)
-                                    //    log.buf.AppendLine(indent + "Adding attached part as source (" + attachSim.attachedPartSim.name + ":" + attachSim.attachedPartSim.partId + ")");
+                                    if (log != null)
+                                        log.buf.AppendLine(indent + "Adding attached part as source (" + attachSim.attachedPartSim.name + ":" + attachSim.attachedPartSim.partId + ")");
 
                                     attachSim.attachedPartSim.GetSourceSet(type, allParts, visited, allSources, log, indent);
                                 }
@@ -532,9 +533,7 @@
                 if (allSources.Count > lastCount)
                 {
                     if (log != null)
-                    {
                         log.buf.AppendLine(indent + "Returning " + (allSources.Count - lastCount) + " attached sources (" + this.name + ":" + this.partId + ")");
-                    }
 
                     return;
                 }
@@ -551,12 +550,15 @@
                     allSources.Add(this);
 
                     if (log != null)
-                    {
                         log.buf.AppendLine(indent + "Returning enabled tank as only source (" + name + ":" + partId + ")");
-                    }
                 }
 
                 return;
+            }
+            else
+            {
+                if (log != null)
+                    log.buf.AppendLine(indent + "Not fuel tank or disabled. HasType = " + resources.HasType(type) + "  FlowState = " + resourceFlowStates[type]);
             }
 
             // Rule 7: If the part is radially attached to another part and it is child of that part in the ship's tree structure, it scans its 
@@ -567,8 +569,8 @@
                 {
                     if (visited.Contains(parent))
                     {
-                        //if (log != null)
-                        //    log.buf.AppendLine(indent + "Parent part already visited, skipping (" + parent.name + ":" + parent.partId + ")");
+                        if (log != null)
+                            log.buf.AppendLine(indent + "Parent part already visited, skipping (" + parent.name + ":" + parent.partId + ")");
                     }
                     else
                     {
@@ -577,9 +579,7 @@
                         if (allSources.Count > lastCount)
                         {
                             if (log != null)
-                            {
                                 log.buf.AppendLine(indent + "Returning " + (allSources.Count  - lastCount) + " parent sources (" + this.name + ":" + this.partId + ")");
-                            }
 
                             return;
                         }
@@ -588,8 +588,8 @@
             }
 
             // Rule 8: If all preceding rules failed, part returns empty list.
-            //if (log != null)
-            //    log.buf.AppendLine(indent + "Returning empty set, no sources found (" + name + ":" + partId + ")");
+            if (log != null)
+                log.buf.AppendLine(indent + "Returning empty set, no sources found (" + name + ":" + partId + ")");
 
             return;
         }
@@ -609,6 +609,17 @@
                 if (partSims.Contains(attachSim.attachedPartSim))
                 {
                     attachSim.attachedPartSim = null;
+                }
+            }
+
+            // Loop through the fuel targets (fuel line sources)
+            for (int i = 0; i < this.fuelTargets.Count; i++)
+            {
+                PartSim fuelTargetSim = this.fuelTargets[i];
+                // If the part is in the set then "remove" it by clearing the PartSim reference
+                if (fuelTargetSim != null && partSims.Contains(fuelTargetSim))
+                {
+                    this.fuelTargets[i] = null;
                 }
             }
         }

--- a/KerbalEngineer/VesselSimulator/SimManager.cs
+++ b/KerbalEngineer/VesselSimulator/SimManager.cs
@@ -35,6 +35,7 @@
         #region Constants
 
         public const double RESOURCE_MIN = 0.0001;
+        public const double RESOURCE_PART_EMPTY_THRESH = 0.01;
 
         #endregion
 

--- a/KerbalEngineer/VesselSimulator/Simulation.cs
+++ b/KerbalEngineer/VesselSimulator/Simulation.cs
@@ -147,6 +147,7 @@
             this.atmosphere = theAtmosphere;
             this.mach = theMach;
             this.lastStage = Staging.lastStage;
+            this.maxMach = 1.0f;
             //MonoBehaviour.print("lastStage = " + lastStage);
 
             // Clear the lists for our simulation parts