public void UpdateZoomDescriptors(float normalizedDeZoom)
{
if (this.ZoomDescriptors == null || this.ZoomDescriptors.Length == 0)
{
return;
}
float num = this.ZoomLimitHysteresis;
if (this.CurrentZoomDescriptorName == StaticString.Empty || normalizedDeZoom == 0f)
{
num = 0f;
}
for (int i = 0; i < this.NormalizedDeZoomDescriptors.Length; i++)
{
NormalizedDeZoomDescriptor normalizedDeZoomDescriptor = this.NormalizedDeZoomDescriptors[i];
if (normalizedDeZoomDescriptor.MinimumValue + num <= normalizedDeZoom && normalizedDeZoom < normalizedDeZoomDescriptor.MaximumValue - num && this.CurrentZoomDescriptorName != normalizedDeZoomDescriptor.ZoomDescriptor.Name)
{
this.ChangeCurrentZoomDescriptor(normalizedDeZoomDescriptor.ZoomDescriptor.Name);
}
}
}
public void TrimZoomDescriptors(float maximumNormalizedDeZoom)
{
if (this.ZoomDescriptors == null || this.ZoomDescriptors.Length == 0)
{
return;
}
if (base.WorldViewTechnique == null || base.WorldViewTechnique.WorldMovementSettings == null)
{
return;
}
if (maximumNormalizedDeZoom <= 0f)
{
Diagnostics.LogError("Invalid maximum normalized [de]zoom value ({0}), should be > 0.0f.", new object[]
{
maximumNormalizedDeZoom
});
maximumNormalizedDeZoom = 0f;
}
List <NormalizedDeZoomDescriptor> list = new List <NormalizedDeZoomDescriptor>();
for (int i = 0; i < this.ZoomDescriptors.Length; i++)
{
ZoomDescriptor zoomDescriptor = this.ZoomDescriptors[i];
try
{
float minimumNormalizedDeZoom = this.ConvertToNormalizedDeZoomValue(zoomDescriptor.MinimumValue, maximumNormalizedDeZoom);
float maximumNormalizedDeZoom2 = this.ConvertToNormalizedDeZoomValue(zoomDescriptor.MaximumValue, maximumNormalizedDeZoom);
NormalizedDeZoomDescriptor item = new NormalizedDeZoomDescriptor(zoomDescriptor, maximumNormalizedDeZoom2, minimumNormalizedDeZoom);
list.Add(item);
}
catch
{
}
}
list.Sort(new DefaultLayerController.SortNormalizedDeZoomDescriptorByValue());
int num = 12;
bool flag = true;
while (flag)
{
flag = false;
for (int j = 0; j < list.Count; j++)
{
if (j == 0)
{
list[j].MinimumValue = 0f;
}
else if (list[j].MinimumValue <= 0f)
{
list[j].MinimumValue = list[j - 1].MaximumValue;
}
else if (list[j].MinimumValue < list[j - 1].MaximumValue)
{
if (list[j - 1].ZoomDescriptor.IsOptional ^ !list[j].ZoomDescriptor.IsOptional)
{
float num2 = (list[j - 1].MaximumValue + list[j].MinimumValue) * 0.5f;
list[j - 1].MaximumValue = num2;
list[j].MinimumValue = num2;
}
else if (list[j - 1].ZoomDescriptor.IsOptional)
{
list[j - 1].MaximumValue = list[j].MinimumValue;
}
else
{
list[j].MinimumValue = list[j - 1].MaximumValue;
}
}
else if (list[j].MinimumValue > list[j - 1].MaximumValue)
{
if (list[j - 1].ZoomDescriptor.IsOptional ^ !list[j].ZoomDescriptor.IsOptional)
{
float num3 = (list[j - 1].MaximumValue + list[j].MinimumValue) * 0.5f;
list[j - 1].MaximumValue = num3;
list[j].MinimumValue = num3;
}
else if (list[j - 1].ZoomDescriptor.IsOptional)
{
list[j - 1].MaximumValue = list[j].MinimumValue;
}
else
{
list[j].MinimumValue = list[j - 1].MaximumValue;
}
}
if (list[j].MaximumValue >= maximumNormalizedDeZoom)
{
list[j].MaximumValue = maximumNormalizedDeZoom;
}
}
if (--num < 0)
{
Diagnostics.LogWarning("The maximum number of iterations has been reached; the zoom descriptors cannot be trimmed any better...");
break;
}
if (list.Count > 1)
{
for (int k = 0; k < list.Count; k++)
{
if (list[k].MaximumValue - list[k].MinimumValue <= this.MinimalRange)
{
if (list[k].ZoomDescriptor.IsOptional)
{
if (k == 0)
{
list[k + 1].MinimumValue = 0f;
}
else if (k == list.Count - 1)
{
list[k - 1].MaximumValue = maximumNormalizedDeZoom;
}
else if (list[k - 1].ZoomDescriptor.IsOptional ^ !list[k + 1].ZoomDescriptor.IsOptional)
{
float num4 = (list[k - 1].MaximumValue + list[k + 1].MinimumValue) * 0.5f;
list[k - 1].MaximumValue = num4;
list[k + 1].MinimumValue = num4;
}
else if (list[k - 1].ZoomDescriptor.IsOptional)
{
list[k - 1].MaximumValue = list[k + 1].MinimumValue;
}
else
{
list[k + 1].MinimumValue = list[k - 1].MaximumValue;
}
}
else
{
flag = true;
if (k == 0)
{
float num5 = list[k].MinimumValue + this.MinimalRange;
list[k].MaximumValue = num5;
list[k + 1].MinimumValue = num5;
}
else if (k == list.Count - 1)
{
float num6 = list[k].MaximumValue - this.MinimalRange;
list[k - 1].MaximumValue = num6;
list[k].MinimumValue = num6;
}
else
{
float num7 = (list[k - 1].MaximumValue + list[k].MinimumValue) * 0.5f;
float num8 = (list[k].MaximumValue + list[k + 1].MinimumValue) * 0.5f;
list[k - 1].MaximumValue = num7;
list[k].MinimumValue = num7;
list[k].MaximumValue = num8;
list[k + 1].MinimumValue = num8;
}
}
}
}
}
}
this.NormalizedDeZoomDescriptors = list.ToArray();
this.theMaximumNormalizedDeZoom = maximumNormalizedDeZoom;
}
