public override void UpdateContent(ArcenUIWrapperedUnityImage Image, ArcenUI_Image.SubImageGroup SubImages, SubTextGroup SubTexts)
        {
            GameEntityTypeData typeData = this.TypeToBuild;

            if (typeData == null)
            {
                return;
            }

            WorldSide  localSide       = World_AIW2.Instance.GetLocalPlayerSide();
            Planet     planet          = Engine_AIW2.Instance.NonSim_GetPlanetBeingCurrentlyViewed();
            CombatSide localCombatSide = planet.Combat.GetSideForWorldSide(localSide);

            int debugStage = -1;

            try
            {
                debugStage = 1;

                debugStage = 2;
                SubImages[INDEX_ICON_NO_FLAIR].WrapperedImage.UpdateWith(null, true);
                SubImages[INDEX_ICON_FLAIR_ONLY].WrapperedImage.UpdateWith(typeData.GUISprite_Icon_White, true);

                // uncomment if you want a crazy experiment with icons varying in size over time
                //float size = ( World_AIW2.Instance.GameSecond * 10 ) % 100;
                //if ( size < 1 )
                //    size = 1;
                //SubImages[INDEX_ICON_FLAIR_ONLY].WrapperedImage.SetSize( size, size / 2 );

                // uncomment if you want to try vertically centering non-flair icons instead of leaving the gap at the bottom
                //if ( typeData.GUISprite_Flair == null )
                //    SubImages[INDEX_ICON_FLAIR_ONLY].WrapperedImage.SetOffset( 0, 5 );

                debugStage = 4;
                SubImages[INDEX_FLAIR].WrapperedImage.UpdateWith(typeData.GUISprite_Flair, true);

                debugStage = 5;
                bool showFuel = typeData.BalanceStats.SquadFuelConsumption > 0 && localSide.NetFuel < typeData.BalanceStats.SquadFuelConsumption;
                SubImages[INDEX_FUEL].WrapperedImage.UpdateToShowOrHide(showFuel);

                debugStage = 6;
                bool showPower = typeData.BalanceStats.SquadPowerConsumption > 0 && localCombatSide.NetPower < typeData.BalanceStats.SquadPowerConsumption;
                SubImages[INDEX_POWER].WrapperedImage.UpdateToShowOrHide(showPower);

                debugStage = 7;
                bool showScience  = false;
                bool showLocked   = false;
                bool showUnlocked = false;

                if (this.ButtonMode == Mode.Tech)
                {
                    if (typeData.TechPrereq == null)
                    {
                        // shouldn't really be on the tech menu anyway
                    }
                    else
                    {
                        if (localSide.GetHasResearched(typeData.TechPrereq))
                        {
                            showUnlocked = true;
                        }
                        else if (localSide.GetCanResearch(typeData.TechPrereq, true, false) != ArcenRejectionReason.Unknown)
                        {
                            showLocked = true;
                        }
                        else if (localSide.GetCanResearch(typeData.TechPrereq, false, false) != ArcenRejectionReason.Unknown)
                        {
                            showScience = true;
                        }
                    }
                }

                SubImages[INDEX_SCIENCE].WrapperedImage.UpdateToShowOrHide(showScience);

                //uncomment if you want a crazy experiemnt replacing this icon with a fuel icon
                //SubImages[INDEX_SCIENCE].WrapperedImage.SetBundleAndPathInBundle( "arcenui", "assets/icons/officialgui/resources/fuel.png" );

                SubImages[INDEX_LOCKED].WrapperedImage.UpdateToShowOrHide(showLocked);
                Image.SetColor(showLocked ? ColorMath.LightGray : ColorMath.White);
                SubImages[INDEX_UNLOCKED].WrapperedImage.UpdateToShowOrHide(showUnlocked);

                debugStage = 8;
                bool showActiveKeyboardColumnIndicator = false;
                if (this.ButtonMode == Mode.Build)
                {
                    showActiveKeyboardColumnIndicator = this.ColumnIndex == Window_InGameBuildTypeIconMenu.Instance.CurrentTypeIndex;
                }
                else if (this.ButtonMode == Mode.Tech)
                {
                    showActiveKeyboardColumnIndicator = this.ColumnIndex == Window_InGameTechTypeIconMenu.Instance.CurrentTypeIndex;
                }
                SubImages[INDEX_ACTIVE_KEYBOARD_COLUMN].WrapperedImage.UpdateToShowOrHide(showActiveKeyboardColumnIndicator);

                debugStage = 15;
                int markLevel = typeData.Balance_MarkLevel.Ordinal;
                if (markLevel < 0 || markLevel > 5)
                {
                    markLevel = 0;
                }
                SubImages[INDEX_MARK_LEVEL].WrapperedImage.UpdateWith(markLevel <= 0 ? null : Window_InGameOutlineSidebar.Sprite_MarkLevels[markLevel], true);
            }
            catch (Exception e)
            {
                ArcenDebugging.ArcenDebugLog("Exception in UpdateContent (image) at stage " + debugStage + ":" + e.ToString(), Verbosity.ShowAsError);
            }

            debugStage = -1;
            try
            {
                debugStage = 1;
                ArcenUIWrapperedTMProText text = SubTexts[TEXT_INDEX_UPPER_LEFT].Text;

                debugStage = 2;
                ArcenDoubleCharacterBuffer buffer = text.StartWritingToBuffer();

                if (typeData != null)
                {
                    switch (this.ButtonMode)
                    {
                    case Mode.Build:
                    case Mode.Queue:
                        if (planet != null)
                        {
                            int remainingCap = localCombatSide.GetRemainingCap(typeData);

                            text.SetFontSize(12);
                            buffer.Add(remainingCap);

                            if (remainingCap <= 0)
                            {
                                text.SetColor(ColorMath.LightRed);
                            }
                            else
                            {
                                text.SetColor(ColorMath.White);
                            }
                        }
                        break;

                    case Mode.Tech:
                        if (typeData.TechPrereq == null)
                        {
                            break;
                        }
                        if (localSide.GetHasResearched(typeData.TechPrereq))
                        {
                            break;
                        }
                        int cost = typeData.TechPrereq.ScienceCost;
                        buffer.Add(cost);
                        if (cost > localSide.StoredScience)
                        {
                            text.SetColor(ColorMath.LightRed);
                        }
                        else
                        {
                            text.SetColor(ColorMath.White);
                        }
                        break;
                    }
                }

                text.FinishWritingToBuffer();

                debugStage = 3;
                text       = SubTexts[TEXT_INDEX_ABOVE_BUTTON].Text;

                debugStage = 4;
                buffer     = text.StartWritingToBuffer();

                if (this.ButtonMode == Mode.Queue)
                {
                    GameEntity builder = null;
                    Engine_AIW2.Instance.DoForSelected(SelectionCommandScope.CurrentPlanet_UnlessViewingGalaxy, delegate(GameEntity selected)
                    {
                        if (selected.TypeData != this.TypeDoingTheBuilding)
                        {
                            return(DelReturn.Continue);
                        }
                        if (builder != null)
                        {
                            // only show time display when there's only one builder, otherwise it's not clear what should be shown
                            builder = null;
                            return(DelReturn.Break);
                        }
                        builder = selected;
                        return(DelReturn.Continue);
                    });
                    debugStage = 5;
                    if (builder != null && builder.BuildQueue != null)
                    {
                        BuildQueueItem item = builder.BuildQueue.GetQueueItemFor(typeData);
                        if (item != null)
                        {
                            bool showTimer = item.MetalSpentOnCurrentIteration > 0 && item.NumberBuiltThisLoop < item.NumberToBuildEachLoop;
                            if (showTimer)
                            {
                                FInt metalLeft = typeData.BalanceStats.SquadMetalCost - item.MetalSpentOnCurrentIteration;
                                FInt metalRate = builder.TypeData.MetalFlows[MetalFlowPurpose.BuildingShipsInternally].EffectiveThroughput;
                                if (metalLeft > 0 && metalRate > 0)
                                {
                                    FInt secondsLeft = metalLeft / metalRate;
                                    buffer.Add(Engine_Universal.ToHoursAndMinutesString(secondsLeft.IntValue));
                                }
                            }
                        }
                    }
                }

                debugStage = 6;
                text.FinishWritingToBuffer();
            }
            catch (Exception e)
            {
                ArcenDebugging.ArcenDebugLog("Exception in UpdateContent (text) at stage " + debugStage + ":" + e.ToString(), Verbosity.ShowAsError);
            }
        }
        private static int SpendBudgetOnItemsInList(ArcenSimContext Context, CombatSide Side, ArcenPoint CenterLocation, int MinimumDistanceFromCenter, List <GameEntityTypeData> listToBuyFrom, int budget)
        {
            if (listToBuyFrom.Count <= 0)
            {
                return(0);
            }
            if (budget <= 0)
            {
                return(0);
            }

            int remainingBudget = budget;

            int budgetPerType = remainingBudget / listToBuyFrom.Count;

            ArcenPoint formationCenterPoint = CenterLocation;

            listToBuyFrom.Sort(delegate(GameEntityTypeData Left, GameEntityTypeData Right)
            {
                int leftValue = 0;
                if (Left.SystemEntries.Count > 0)
                {
                    SystemEntry systemEntry = Left.SystemEntries[0];
                    if (systemEntry.SubEntries.Count > 0)
                    {
                        leftValue = systemEntry.SubEntries[0].BalanceStats.Range;
                    }
                }
                int rightValue = 0;
                if (Right.SystemEntries.Count > 0)
                {
                    SystemEntry systemEntry = Right.SystemEntries[0];
                    if (systemEntry.SubEntries.Count > 0)
                    {
                        rightValue = systemEntry.SubEntries[0].BalanceStats.Range;
                    }
                }
                return(rightValue.CompareTo(leftValue));
            });

            int innerRingDistance = MinimumDistanceFromCenter;
            int outerRingDistance = (ExternalConstants.Instance.Balance_AverageGravWellRadius * FInt.FromParts(0, 100)).IntValue;

            int distanceBetweenRings = (outerRingDistance - innerRingDistance) / listToBuyFrom.Count;

            for (int i = 0; i < listToBuyFrom.Count; i++)
            {
                GameEntityTypeData entityType = listToBuyFrom[i];
                int numberToPlace             = budgetPerType / entityType.BalanceStats.SquadPowerConsumption;
                numberToPlace = Math.Min(Side.GetRemainingCap(entityType), numberToPlace);
                if (numberToPlace <= 0)
                {
                    continue;
                }
                int          ringDistance       = innerRingDistance + (distanceBetweenRings * i);
                AngleDegrees startingAngle      = AngleDegrees.Create((FInt)Context.QualityRandom.Next(0, AngleDegrees.MaxValue.IntValue));
                AngleDegrees angleChangePerItem = AngleDegrees.MaxAngle / numberToPlace;
                for (int j = 0; j < numberToPlace; j++)
                {
                    if (Side.GetCanBuildAnother(entityType) != ArcenRejectionReason.Unknown)
                    {
                        break;
                    }
                    AngleDegrees angle = startingAngle + (angleChangePerItem * j);
                    ArcenPoint   point = formationCenterPoint.GetPointAtAngleAndDistance(angle, ringDistance);
                    point = Side.Combat.GetSafePlacementPoint(Context, entityType, point, 0, distanceBetweenRings / 2);
                    if (point == ArcenPoint.ZeroZeroPoint)
                    {
                        continue;
                    }
                    GameEntity newEntity = GameEntity.CreateNew(Side, entityType, point, Context);
                    newEntity.SelfBuildingMetalRemaining = (FInt)entityType.BalanceStats.SquadMetalCost;
                    remainingBudget -= entityType.BalanceStats.SquadPowerConsumption;
                }
            }

            // fill in the corners of the budget
            listToBuyFrom.Sort(delegate(GameEntityTypeData Left, GameEntityTypeData Right)
            {
                return(Right.BalanceStats.SquadPowerConsumption.CompareTo(Left.BalanceStats.SquadPowerConsumption));
            });

            bool checkAgain = true;

            while (remainingBudget > 0 && checkAgain)
            {
                checkAgain = false;
                for (int i = 0; i < listToBuyFrom.Count; i++)
                {
                    GameEntityTypeData entityType = listToBuyFrom[i];
                    if (remainingBudget < entityType.BalanceStats.SquadPowerConsumption)
                    {
                        continue;
                    }
                    if (Side.GetCanBuildAnother(entityType) != ArcenRejectionReason.Unknown)
                    {
                        continue;
                    }
                    ArcenPoint point = Side.Combat.GetSafePlacementPoint(Context, entityType, formationCenterPoint, innerRingDistance, outerRingDistance);
                    if (point == ArcenPoint.ZeroZeroPoint)
                    {
                        continue;
                    }
                    GameEntity newEntity = GameEntity.CreateNew(Side, entityType, point, Context);
                    newEntity.SelfBuildingMetalRemaining = (FInt)entityType.BalanceStats.SquadMetalCost;
                    remainingBudget -= entityType.BalanceStats.SquadPowerConsumption;
                    checkAgain       = true;
                }
            }

            return(budget - remainingBudget);
        }