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Fix T45937: Cycles hair not rendered if children count set to zero

This commit is contained in:
Sergey Sharybin 2015-09-03 18:54:50 +05:00
parent a4bcd9bc96
commit b899114a7e
Notes: blender-bot 2023-02-14 08:42:53 +01:00 
Referenced by issue #45937, Cycles viewport hair not rendered if simple children count set to zero.
1 changed files with 6 additions and 6 deletions
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12
intern/cycles/blender/blender_curves.cpp
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@ -145,7 +145,7 @@ bool ObtainCacheParticleData(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, Par
int totchild = background ? b_psys.child_particles.length() : (int)((float)b_psys.child_particles.length() * (float)b_part.draw_percentage() / 100.0f);
int totcurves = totchild;
if(b_part.child_type() == 0)
if(b_part.child_type() == 0 || totchild == 0)
totcurves += totparts;
if(totcurves == 0)
@ -169,7 +169,7 @@ bool ObtainCacheParticleData(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, Par
CData->psys_closetip.push_back(get_boolean(cpsys, "use_closetip"));
int pa_no = 0;
if(!(b_part.child_type() == 0))
if(!(b_part.child_type() == 0) && totchild != 0)
pa_no = totparts;
int num_add = (totparts+totchild - pa_no);
@ -233,14 +233,14 @@ bool ObtainCacheParticleUV(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, Parti
int totchild = background ? b_psys.child_particles.length() : (int)((float)b_psys.child_particles.length() * (float)b_part.draw_percentage() / 100.0f);
int totcurves = totchild;
if(b_part.child_type() == 0)
if(b_part.child_type() == 0 || totchild == 0)
totcurves += totparts;
if(totcurves == 0)
continue;
int pa_no = 0;
if(!(b_part.child_type() == 0))
if(!(b_part.child_type() == 0) && totchild != 0)
pa_no = totparts;
int num_add = (totparts+totchild - pa_no);
@ -287,14 +287,14 @@ bool ObtainCacheParticleVcol(Mesh *mesh, BL::Mesh *b_mesh, BL::Object *b_ob, Par
int totchild = background ? b_psys.child_particles.length() : (int)((float)b_psys.child_particles.length() * (float)b_part.draw_percentage() / 100.0f);
int totcurves = totchild;
if(b_part.child_type() == 0)
if(b_part.child_type() == 0 || totchild == 0)
totcurves += totparts;
if(totcurves == 0)
continue;
int pa_no = 0;
if(!(b_part.child_type() == 0))
if(!(b_part.child_type() == 0) && totchild != 0)
pa_no = totparts;
int num_add = (totparts+totchild - pa_no);