SH-356 FIX render cost doesn't factor in revolutions

Added a revolutions factor to render cost calculations.
Adding revolutions will multiply your render cost based
on how much geometry is added, from 1x up to 4x

Code reviewed by Davep.
Wiki documentation updated.

1 files changed, 18 insertions, 5 deletions

diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 9aebfcba4a..39e286ac38 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -2950,6 +2950,7 @@ U32 LLVOVolume::getRenderCost(texture_cost_t &textures) const
 	// these multipliers are variable and can be floating point

 	F32 scale = 0.f;

 	F32 twist = 0.f; 

+	F32 revolutions = 0.f;

 

 

 	const LLDrawable* drawablep = mDrawable;

@@ -3046,6 +3047,13 @@ U32 LLVOVolume::getRenderCost(texture_cost_t &textures) const
 	// scale to degrees / 90 by multiplying by 2.

 	twist = twist_mag * 2.f;

 

+	// multiply by the number of revolutions in the prim. cap at 4.

+	revolutions = path_params.getRevolutions();

+	if (revolutions > 4.f)

+	{

+		revolutions = 4.f;

+	}

+

 	// double cost for circular profiles / sculpties

 	if (profile_params.getCurveType() == LL_PCODE_PROFILE_CIRCLE ||

 		profile_params.getCurveType() == LL_PCODE_PROFILE_CIRCLE_HALF)

@@ -3135,11 +3143,6 @@ U32 LLVOVolume::getRenderCost(texture_cost_t &textures) const
 		shame *= hollow * ARC_HOLLOW_MULT;

 	}

 

-	if (twist > 1.f)

-	{

-		shame = (U32)(shame * twist);

-	}

-

 	if (circular_profile)

 	{

 		shame *= circular_profile * ARC_CIRC_PROF_MULT;

@@ -3170,11 +3173,21 @@ U32 LLVOVolume::getRenderCost(texture_cost_t &textures) const
 		shame *= shiny * ARC_SHINY_MULT;

 	}

 

+	if (twist > 1.f)

+	{

+		shame = (U32)(shame * twist);

+	}

+

 	if (scale > 1.f)

 	{

 		shame = (U32)(shame *scale);

 	}

 

+	if (revolutions > 1.f)

+	{

+		shame = (U32)(shame * revolutions);

+	}

+

 	// add additional costs

 	shame += particles * ARC_PARTICLE_COST;