[Bf-blender-cvs] [9869727] master: Fix T44249: Cursor depth offset

[Campbell Barton]

Commit: 986972701ea01667c97fe0831ac90a27ef15d881
Author: Campbell Barton
Date:   Mon Apr 6 14:57:43 2015 +1000
Branches: master
https://developer.blender.org/rB986972701ea01667c97fe0831ac90a27ef15d881

Fix T44249: Cursor depth offset

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

M       source/blender/editors/space_view3d/view3d_edit.c

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

diff --git a/source/blender/editors/space_view3d/view3d_edit.c 
b/source/blender/editors/space_view3d/view3d_edit.c
index 706cb51..236fefc 100644
--- a/source/blender/editors/space_view3d/view3d_edit.c
+++ b/source/blender/editors/space_view3d/view3d_edit.c
@@ -4701,14 +4701,22 @@ bool ED_view3d_autodist(Scene *scene, ARegion *ar, 
View3D *v3d,
        bglMats mats; /* ZBuffer depth vars */
        float depth_close;
        double cent[2],  p[3];
+       int margin_arr[] = {0, 2, 4};
+       int i;
+       bool depth_ok = false;
 
        /* Get Z Depths, needed for perspective, nice for ortho */
        bgl_get_mats(&mats);
        ED_view3d_draw_depth(scene, ar, v3d, alphaoverride);
 
-       depth_close = view_autodist_depth_margin(ar, mval, 4);
+       /* Attempt with low margin's first */
+       i = 0;
+       do {
+               depth_close = view_autodist_depth_margin(ar, mval, 
margin_arr[i++] * U.pixelsize);
+               depth_ok = (depth_close != FLT_MAX);
+       } while ((depth_ok == false) && (i < ARRAY_SIZE(margin_arr)));
 
-       if (depth_close != FLT_MAX) {
+       if (depth_ok) {
                cent[0] = (double)mval[0] + 0.5;
                cent[1] = (double)mval[1] + 0.5;

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