public void UpdateOverlayColours()
{
GridArea visibleArea = GridVisibleArea.GetVisibleArea();
Diseases diseases = Db.Get().Diseases;
Color32 color = new Color32(0, 0, 0, byte.MaxValue);
for (int i = 0; i < headers.Count; i++)
{
DiseaseContainer payload = payloads[i];
DiseaseHeader header = headers[i];
KBatchedAnimController controller = payload.controller;
if ((UnityEngine.Object)controller != (UnityEngine.Object)null)
{
Color32 c = color;
Vector3 position = controller.transform.GetPosition();
if (visibleArea.Min <= (Vector2)position && (Vector2)position <= visibleArea.Max)
{
int num = 0;
int disease_idx = 255;
int disease_count = 0;
GetVisualDiseaseIdxAndCount(header, ref payload, out disease_idx, out disease_count);
if (disease_idx != 255)
{
c = diseases[disease_idx].overlayColour;
num = disease_count;
}
if (payload.isContainer)
{
Storage component = header.primaryElement.GetComponent <Storage>();
List <GameObject> items = component.items;
for (int j = 0; j < items.Count; j++)
{
GameObject gameObject = items[j];
if ((UnityEngine.Object)gameObject != (UnityEngine.Object)null)
{
HandleVector <int> .Handle handle = GetHandle(gameObject);
if (handle.IsValid())
{
DiseaseHeader header2 = GetHeader(handle);
if (header2.diseaseCount > num && header2.diseaseIdx != 255)
{
num = header2.diseaseCount;
c = diseases[header2.diseaseIdx].overlayColour;
}
}
}
}
}
c.a = SimUtil.DiseaseCountToAlpha254(num);
if (payload.conduitType != 0)
{
ConduitFlow flowManager = Conduit.GetFlowManager(payload.conduitType);
int cell = Grid.PosToCell(position);
ConduitFlow.ConduitContents contents = flowManager.GetContents(cell);
if (contents.diseaseIdx != 255 && contents.diseaseCount > num)
{
num = contents.diseaseCount;
c = diseases[contents.diseaseIdx].overlayColour;
c.a = byte.MaxValue;
}
}
}
controller.OverlayColour = c;
}
}
}