private void RefreshLineOfSight(IVisibilityArea visibilityArea, int needRefreshBits)
{
MajorEmpire majorEmpire = visibilityArea.Empire as MajorEmpire;
if (majorEmpire == null)
{
if (visibilityArea.VisibilityDirty && visibilityArea.Empire != null)
{
visibilityArea.VisibilityDirty = false;
}
return;
}
if ((needRefreshBits & majorEmpire.Bits) != majorEmpire.Bits)
{
return;
}
visibilityArea.VisibilityDirty = false;
foreach (WorldPosition worldPosition in visibilityArea.VisibleWorldPositions)
{
if (worldPosition.IsValid && worldPosition.Row < this.world.WorldParameters.Rows && worldPosition.Column < this.world.WorldParameters.Columns)
{
this.SetWorldPositionAsVisible(worldPosition, majorEmpire, 0, visibilityArea.VisibilityAccessibilityLevel);
if (ELCPUtilities.SpectatorMode)
{
foreach (int num in ELCPUtilities.EliminatedEmpireIndices)
{
this.SetWorldPositionAsVisible(worldPosition, base.Game.Empires[num], 0, visibilityArea.VisibilityAccessibilityLevel);
}
}
}
}
}
private bool EvaluateVisibilityRefresh()
{
if (this.NeedRefreshBits == 0)
{
for (int i = 0; i < this.gameEntities.Count; i++)
{
IGameEntityWithLineOfSight gameEntityWithLineOfSight = this.gameEntities[i];
if (gameEntityWithLineOfSight.LineOfSightActive && gameEntityWithLineOfSight.LineOfSightDirty)
{
MajorEmpire majorEmpire = gameEntityWithLineOfSight.Empire as MajorEmpire;
if (majorEmpire != null)
{
this.NeedRefreshBits |= majorEmpire.Bits;
this.NeedRefreshBits |= gameEntityWithLineOfSight.EmpireInfiltrationBits;
}
}
}
int j = 0;
while (j < this.visibilityProviders.Count)
{
if (!this.visibilityProviders[j].VisibilityDirty)
{
foreach (ILineOfSightEntity lineOfSightEntity in this.visibilityProviders[j].LineOfSightEntities)
{
if (lineOfSightEntity.LineOfSightActive && lineOfSightEntity.LineOfSightDirty)
{
MajorEmpire majorEmpire2 = lineOfSightEntity.Empire as MajorEmpire;
if (majorEmpire2 != null)
{
this.NeedRefreshBits |= majorEmpire2.Bits;
this.NeedRefreshBits |= lineOfSightEntity.EmpireInfiltrationBits;
}
}
}
using (IEnumerator <IVisibilityArea> enumerator2 = this.visibilityProviders[j].VisibleAreas.GetEnumerator())
{
while (enumerator2.MoveNext())
{
IVisibilityArea visibilityArea = enumerator2.Current;
if (visibilityArea.VisibilityDirty)
{
MajorEmpire majorEmpire3 = visibilityArea.Empire as MajorEmpire;
if (majorEmpire3 != null)
{
this.NeedRefreshBits |= majorEmpire3.Bits;
}
if (ELCPUtilities.SpectatorMode)
{
foreach (int num in ELCPUtilities.EliminatedEmpireIndices)
{
this.NeedRefreshBits |= base.Game.Empires[num].Bits;
}
}
}
}
goto IL_295;
}
goto IL_1E3;
}
goto IL_1E3;
IL_295:
j++;
continue;
IL_1E3:
foreach (Empire empire in this.visibilityProviders[j].VisibilityEmpires)
{
if (empire is MajorEmpire)
{
this.NeedRefreshBits |= empire.Bits;
}
if (ELCPUtilities.SpectatorMode)
{
foreach (int num2 in ELCPUtilities.EliminatedEmpireIndices)
{
this.NeedRefreshBits |= base.Game.Empires[num2].Bits;
}
}
}
goto IL_295;
}
}
int num3 = (this.majorEmpires == null) ? 0 : ((int)Mathf.Pow(2f, (float)this.majorEmpires.Length) - 1);
this.NeedRefreshBits &= num3;
return(this.NeedRefreshBits != 0);
}
