public override void RefreshContent()
{
base.RefreshContent();
this.validPointsOfInterest.Clear();
this.validImprovements.Clear();
if (this.City != null && this.City.BesiegingEmpire == null && base.Empire == this.City.Empire && !this.City.IsInfected)
{
DepartmentOfIndustry agency = this.City.Empire.GetAgency <DepartmentOfIndustry>();
DepartmentOfTheInterior agency2 = this.City.Empire.GetAgency <DepartmentOfTheInterior>();
DepartmentOfTheTreasury agency3 = this.City.Empire.GetAgency <DepartmentOfTheTreasury>();
ConstructibleElement[] availableConstructibleElements = agency.ConstructibleElementDatabase.GetAvailableConstructibleElements(new StaticString[0]);
ConstructibleElement[] array = availableConstructibleElements;
List <StaticString> list = new List <StaticString>();
for (int i = 0; i < this.City.Region.PointOfInterests.Length; i++)
{
PointOfInterest pointOfInterest = this.City.Region.PointOfInterests[i];
if (pointOfInterest.PointOfInterestImprovement == null && pointOfInterest.CreepingNodeImprovement == null && (base.WorldPositionningService.GetExplorationBits(pointOfInterest.WorldPosition) & this.City.Empire.Bits) > 0)
{
List <PointOfInterestImprovementDefinition> list2 = new List <PointOfInterestImprovementDefinition>();
List <ConstructibleDistrictDefinition> list3 = new List <ConstructibleDistrictDefinition>();
for (int j = 0; j < array.Length; j++)
{
if (array[j] is PointOfInterestImprovementDefinition)
{
PointOfInterestImprovementDefinition pointOfInterestImprovementDefinition = array[j] as PointOfInterestImprovementDefinition;
if (pointOfInterestImprovementDefinition.PointOfInterestTemplateName == pointOfInterest.PointOfInterestDefinition.PointOfInterestTemplateName)
{
list.Clear();
DepartmentOfTheTreasury.CheckConstructiblePrerequisites(this.City, pointOfInterestImprovementDefinition, ref list, new string[]
{
ConstructionFlags.Prerequisite
});
if (!list.Contains(ConstructionFlags.Discard) && agency3.CheckConstructibleInstantCosts(this.City, pointOfInterestImprovementDefinition))
{
list2.Add(agency2.GetBestImprovementDefinition(this.City, pointOfInterest, pointOfInterestImprovementDefinition, list));
}
}
}
else if (array[j] is ConstructibleDistrictDefinition)
{
ConstructibleDistrictDefinition constructibleDistrictDefinition = array[j] as ConstructibleDistrictDefinition;
if (constructibleDistrictDefinition != null)
{
list3.Add(constructibleDistrictDefinition);
}
}
}
if (list2.Count > 0)
{
ConstructionQueue constructionQueue = agency.GetConstructionQueue(this.City);
bool flag = false;
for (int k = 0; k < list2.Count; k++)
{
for (int l = 0; l < constructionQueue.Length; l++)
{
Construction construction = constructionQueue.PeekAt(l);
if (construction.ConstructibleElement == list2[k] && construction.WorldPosition == pointOfInterest.WorldPosition)
{
flag = true;
break;
}
}
}
if (!flag)
{
for (int m = 0; m < list3.Count; m++)
{
for (int n = 0; n < constructionQueue.Length; n++)
{
Construction construction2 = constructionQueue.PeekAt(n);
if (construction2.ConstructibleElement == list3[m] && construction2.WorldPosition == pointOfInterest.WorldPosition)
{
flag = true;
break;
}
}
}
}
if (!flag)
{
for (int num = 0; num < list2.Count; num++)
{
this.validPointsOfInterest.Add(pointOfInterest);
this.validImprovements.Add(list2[num]);
}
}
}
}
}
}
this.LabelsTable.ReserveChildren(this.validPointsOfInterest.Count, this.LabelPrefab, "ConstructibleLabel");
this.LabelsTable.RefreshChildrenIList <PointOfInterest>(this.validPointsOfInterest, new AgeTransform.RefreshTableItem <PointOfInterest>(this.RefreshPointOfInterest), true, false);
this.LabelsTable.Enable = this.interactionsAllowed;
this.UnbindAndHideLabels(this.validPointsOfInterest.Count);
}