Rotate around selection now will work on last stroke position in texture

paint too.

1 files changed, 27 insertions, 0 deletions

diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c b/source/blender/editors/sculpt_paint/paint_image_proj.c
index 0e337e96336..0832782db4b 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -4521,7 +4521,34 @@ static bool project_paint_op(void *state, const float lastpos[2], const float po
 			touch_any = 1;
 		}
 	}
+	
+	/* calculate pivot for rotation around seletion if needed */
+	if (U.uiflag & USER_ORBIT_SELECTION) {
+		float w[3];
+		int side, index;
+		
+		index = project_paint_PickFace(ps, pos, w, &side);
+		
+		if (index != -1) {
+			MFace *mf;
+			float world[3];
+			UnifiedPaintSettings *ups = &ps->scene->toolsettings->unified_paint_settings;
+
+			mf = ps->dm_mface + index;
 
+			if (side == 0) {
+				interp_v3_v3v3v3(world, ps->dm_mvert[(*(&mf->v1))].co, ps->dm_mvert[(*(&mf->v2))].co, ps->dm_mvert[(*(&mf->v3))].co, w);
+			}
+			else {
+				interp_v3_v3v3v3(world, ps->dm_mvert[(*(&mf->v1))].co, ps->dm_mvert[(*(&mf->v3))].co, ps->dm_mvert[(*(&mf->v4))].co, w);
+			}
+			
+			ups->average_stroke_counter++;
+			add_v3_v3(ups->average_stroke_accum, world);
+			ups->last_stroke_valid = true;
+		}
+	}
+	
 	return touch_any;
 }