1 files changed, 15 insertions, 8 deletions

diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c
index 0c5f47eb9d4..b9fadea7fd0 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c
@@ -10,7 +10,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software  Foundation,
+ * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  *
  * The Original Code is Copyright (C) 2017, Blender Foundation
@@ -37,6 +37,8 @@
 #include "BKE_deform.h"
 #include "BKE_gpencil.h"
 #include "BKE_gpencil_modifier.h"
+#include "BKE_lib_query.h"
+#include "BKE_modifier.h"
 
 #include "DEG_depsgraph.h"
 
@@ -49,9 +51,7 @@ static void initData(GpencilModifierData *md)
   gpmd->pass_index = 0;
   gpmd->thickness_fac = 1.0f;
   gpmd->thickness = 30;
-  gpmd->layername[0] = '\0';
-  gpmd->materialname[0] = '\0';
-  gpmd->vgname[0] = '\0';
+  gpmd->material = NULL;
   gpmd->curve_thickness = BKE_curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
   if (gpmd->curve_thickness) {
     BKE_curvemapping_initialize(gpmd->curve_thickness);
@@ -77,7 +77,7 @@ static void copyData(const GpencilModifierData *md, GpencilModifierData *target)
     tgmd->curve_thickness = NULL;
   }
 
-  BKE_gpencil_modifier_copyData_generic(md, target);
+  BKE_gpencil_modifier_copydata_generic(md, target);
 
   tgmd->curve_thickness = BKE_curvemapping_copy(gmd->curve_thickness);
 }
@@ -95,7 +95,7 @@ static void deformStroke(GpencilModifierData *md,
 
   if (!is_stroke_affected_by_modifier(ob,
                                       mmd->layername,
-                                      mmd->materialname,
+                                      mmd->material,
                                       mmd->pass_index,
                                       mmd->layer_pass,
                                       1,
@@ -139,7 +139,7 @@ static void deformStroke(GpencilModifierData *md,
 
     pt->pressure = interpf(target, pt->pressure, weight);
 
-    CLAMP_MIN(pt->pressure, 0.1f);
+    CLAMP_MIN(pt->pressure, 0.0f);
   }
 }
 
@@ -159,6 +159,13 @@ static void bakeModifier(struct Main *UNUSED(bmain),
   }
 }
 
+static void foreachIDLink(GpencilModifierData *md, Object *ob, IDWalkFunc walk, void *userData)
+{
+  ThickGpencilModifierData *mmd = (ThickGpencilModifierData *)md;
+
+  walk(userData, ob, (ID **)&mmd->material, IDWALK_CB_USER);
+}
+
 GpencilModifierTypeInfo modifierType_Gpencil_Thick = {
     /* name */ "Thickness",
     /* structName */ "ThickGpencilModifierData",
@@ -179,6 +186,6 @@ GpencilModifierTypeInfo modifierType_Gpencil_Thick = {
     /* updateDepsgraph */ NULL,
     /* dependsOnTime */ NULL,
     /* foreachObjectLink */ NULL,
-    /* foreachIDLink */ NULL,
+    /* foreachIDLink */ foreachIDLink,
     /* foreachTexLink */ NULL,
 };