Commit: d91916725d0d20f95c6d4c069428bd1076680087
Author: Antony Riakiotakis
Date: Mon Sep 1 12:35:10 2014 +0200
Branches: master
https://developer.blender.org/rBd91916725d0d20f95c6d4c069428bd1076680087
Fix T41620
Issue here is that indices of edges will be incorrect when index of
vertices forming the edge is 3-0 or 2-0.
There are still issues here at uv edges where seam polygons intersect
each other but to solve that we need a better pass that detects uv edges
and pushes polygons along the "normal" of the edge instead of scaling
the polygon itself.
===================================================================
M source/blender/editors/sculpt_paint/paint_image_proj.c
===================================================================
diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c
b/source/blender/editors/sculpt_paint/paint_image_proj.c
index a6cbe1f..bdacfd2 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -952,7 +952,9 @@ static bool check_seam(const ProjPaintState *ps,
/* set up the other face */
*other_face = face_index;
- *orig_fidx = (i1_fidx < i2_fidx) ? i1_fidx :
i2_fidx;
+
+ /* we check if difference is 1 here, else we
might have a case of edge 2-0 or 3-0 for quads */
+ *orig_fidx = (i1_fidx < i2_fidx && (i2_fidx -
i1_fidx == 1)) ? i1_fidx : i2_fidx;
/* initialize face winding if needed */
if ((ps->faceWindingFlags[face_index] &
PROJ_FACE_WINDING_INIT) == 0)
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