[Bf-blender-cvs] [db4298c6bec] master: GPencil: Avoid segment fault when use Simplify modifier

[Antonio Vazquez]

Commit: db4298c6bec8f0be71c8258071d1469927c53658
Author: Antonio Vazquez
Date:   Fri Mar 13 12:57:08 2020 +0100
Branches: master
https://developer.blender.org/rBdb4298c6bec8f0be71c8258071d1469927c53658

GPencil: Avoid segment fault when use Simplify modifier

The number of points of the evaluated stroke can be less than original or the original can use less points that evaluated.

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

M	source/blender/blenkernel/intern/gpencil.c

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

diff --git a/source/blender/blenkernel/intern/gpencil.c b/source/blender/blenkernel/intern/gpencil.c
index 6cd2d36c188..c587e433e7f 100644
--- a/source/blender/blenkernel/intern/gpencil.c
+++ b/source/blender/blenkernel/intern/gpencil.c
@@ -3909,6 +3909,9 @@ void BKE_gpencil_frame_original_pointers_update(const struct bGPDframe *gpf_orig
 
       /* Assign original point pointer. */
       for (int i = 0; i < gps_orig->totpoints; i++) {
+        if (i > gps_eval->totpoints - 1) {
+          break;
+        }
         bGPDspoint *pt_eval = &gps_eval->points[i];
         pt_eval->runtime.pt_orig = &gps_orig->points[i];
         pt_eval->runtime.idx_orig = i;