scripts-blender/addons/brushstroke_tools/ops.py

@@ -977,6 +977,24 @@ class BSBST_OT_render_setup(bpy.types.Operator):
     def invoke(self, context, event):
         return context.window_manager.invoke_props_dialog(self)
     
+class BSBST_OT_new_material(bpy.types.Operator):
+    """
+    """
+    bl_idname = "brushstroke_tools.new_material"
+    bl_label = "New Brushstrokes Material"
+    bl_description = "Create new material for the current brushstrokes"
+    bl_options = {"REGISTER", "UNDO"}
+
+    @classmethod
+    def poll(cls, context):
+        return bool(utils.context_brushstrokes(context))
+
+    def execute(self, context):
+        settings = context.scene.BSBST_settings
+        mat = utils.import_brushstroke_material()
+        settings.context_material = mat
+        return {"FINISHED"}
+
 classes = [
     BSBST_OT_new_brushstrokes,
     BSBST_OT_edit_brushstrokes,
@@ -993,6 +1011,7 @@ classes = [
     BSBST_OT_preset_toggle_attribute,
     BSBST_OT_brushstrokes_toggle_attribute,
     BSBST_OT_render_setup,
+    BSBST_OT_new_material,
     ]
 
 def register():

scripts-blender/addons/brushstroke_tools/ui.py

@@ -407,8 +407,11 @@ class BSBST_PT_brushstroke_tools_panel(bpy.types.Panel):
                     style_panel.operator("brushstroke_tools.init_preset", icon='MODIFIER')
                 else:
                     if settings.context_material:
-                        if getattr(settings.context_material, '["BSBST"]', False):
                         draw_material_settings(style_panel, settings.context_material, surface_object=surface_object)
+                    else:
+                        material_row = style_panel.row(align=True)
+                        material_row.template_ID(settings, 'context_material', new='brushstroke_tools.new_material')
+
             elif settings.view_tab == 'SHAPE':
                 if style_object:
                     for mod in style_object.modifiers:

scripts-blender/addons/brushstroke_tools/utils.py

@@ -260,6 +260,20 @@ def compare_versions(v1: tuple, v2: tuple):
         c += 1
     return 0
 
+def import_brushstroke_material():
+    name = 'Brushstrokes'
+    path = f"{get_resource_directory()}/brushstroke_tools-resources.blend"
+    addon_prefs = bpy.context.preferences.addons[__package__].preferences
+
+    mats_pre = set(bpy.data.materials)
+    with bpy.data.libraries.load(path, link=addon_prefs.import_method=='LINK', relative=addon_prefs.import_relative_path) as (data_src, data_dst):
+        data_dst.materials = [name]
+    mats_new = list(set(bpy.data.materials) - mats_pre)
+    if mats_new:
+        return mats_new[0]
+    else:
+        return bpy.data.materials.get(name)
+
 def ensure_node_group(name, path):
     ng = bpy.data.node_groups.get(name)
     if ng: