Function GetSubdivisionCount

trinity/Eve/UI/EveTacticalOverlay.cpp:160–195

}

static inline float GetSubdivisionCount( float pixelSize, float low, float mid, float high, const EveUpdateContext& updateContext )
{
	if( pixelSize < updateContext.GetVisibilityThreshold() )
	{
		return 0;
	}
	float lowCount;
	float highCount;
	float lowStep;
	float highStep;

	if( pixelSize <= updateContext.GetLowDetailThreshold() )
	{
		lowCount = 1;
		highCount = low;
		lowStep = updateContext.GetVisibilityThreshold();
		highStep = updateContext.GetLowDetailThreshold();
	}
	else if( pixelSize <= updateContext.GetMediumDetailThreshold() )
	{
		lowCount = low;
		highCount = mid;
		lowStep = updateContext.GetLowDetailThreshold();
		highStep = updateContext.GetMediumDetailThreshold();
	}
	else
	{
		lowCount = mid;
		highCount = high;
		lowStep = updateContext.GetMediumDetailThreshold();
		highStep = updateContext.GetHighDetailThreshold();
	}

	float linstep = TriLinearize( lowStep, highStep, pixelSize );
	return floor( Lerp( lowCount, highCount, linstep ) );
}

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