[Bf-blender-cvs] [408adfa] master: Fix for BI rendering of hair spirals: Was not taking the extra points into account.

[Lukas Tönne]

Commit: 408adfae8acdb1f3a0ccc65ce889d5d2237681e1
Author: Lukas Tönne
Date:   Tue Jan 20 16:38:03 2015 +0100
Branches: master
https://developer.blender.org/rB408adfae8acdb1f3a0ccc65ce889d5d2237681e1

Fix for BI rendering of hair spirals: Was not taking the extra points
into account.

===================================================================

M	source/blender/render/intern/source/convertblender.c

===================================================================

diff --git a/source/blender/render/intern/source/convertblender.c b/source/blender/render/intern/source/convertblender.c
index 36103c8..1a8c468 100644
--- a/source/blender/render/intern/source/convertblender.c
+++ b/source/blender/render/intern/source/convertblender.c
@@ -1344,11 +1344,13 @@ static int render_new_particle_system(Render *re, ObjectRen *obr, ParticleSystem
 
 	if (re->r.scemode & R_VIEWPORT_PREVIEW) { /* preview render */
 		totchild = (int)((float)totchild * (float)part->disp / 100.0f);
-		step_nbr = part->draw_step;
+		step_nbr = 1 << part->draw_step;
 	}
 	else {
-		step_nbr = part->ren_step;
+		step_nbr = 1 << part->ren_step;
 	}
+	if (ELEM(part->kink, PART_KINK_SPIRAL))
+		step_nbr += part->kink_extra_steps;
 
 	psys->flag |= PSYS_DRAWING;
 
@@ -1432,7 +1434,7 @@ static int render_new_particle_system(Render *re, ObjectRen *obr, ParticleSystem
 
 /* 2.6 setup strand rendering */
 	if (part->ren_as == PART_DRAW_PATH && psys->pathcache) {
-		path_nbr=(int)pow(2.0, (double) step_nbr);
+		path_nbr = step_nbr;
 
 		if (path_nbr) {
 			if (!ELEM(ma->material_type, MA_TYPE_HALO, MA_TYPE_WIRE)) {