1 files changed, 56 insertions, 0 deletions

diff --git a/source/blender/modifiers/intern/MOD_build.c b/source/blender/modifiers/intern/MOD_build.c
index 2cd52005362..93f97c7c5b8 100644
--- a/source/blender/modifiers/intern/MOD_build.c
+++ b/source/blender/modifiers/intern/MOD_build.c
@@ -32,15 +32,24 @@
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"
 #include "DNA_object_types.h"
+#include "DNA_screen_types.h"
 
 #include "DEG_depsgraph_query.h"
 
+#include "BKE_context.h"
 #include "BKE_mesh.h"
 #include "BKE_modifier.h"
 #include "BKE_particle.h"
 #include "BKE_scene.h"
+#include "BKE_screen.h"
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+#include "RNA_access.h"
 
 #include "MOD_modifiertypes.h"
+#include "MOD_ui_common.h"
 
 static void initData(ModifierData *md)
 {
@@ -275,6 +284,52 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, struct
   return result;
 }
 
+static void panel_draw(const bContext *C, Panel *panel)
+{
+  uiLayout *layout = panel->layout;
+
+  PointerRNA ptr;
+  modifier_panel_get_property_pointers(C, panel, NULL, &ptr);
+
+  uiLayoutSetPropSep(layout, true);
+
+  uiItemR(layout, &ptr, "frame_start", 0, NULL, ICON_NONE);
+  uiItemR(layout, &ptr, "frame_duration", 0, NULL, ICON_NONE);
+  uiItemR(layout, &ptr, "use_reverse", 0, NULL, ICON_NONE);
+
+  modifier_panel_end(layout, &ptr);
+}
+
+static void random_panel_header_draw(const bContext *C, Panel *panel)
+{
+  uiLayout *layout = panel->layout;
+
+  PointerRNA ptr;
+  modifier_panel_get_property_pointers(C, panel, NULL, &ptr);
+
+  uiItemR(layout, &ptr, "use_random_order", 0, NULL, ICON_NONE);
+}
+
+static void random_panel_draw(const bContext *C, Panel *panel)
+{
+  uiLayout *layout = panel->layout;
+
+  PointerRNA ptr;
+  modifier_panel_get_property_pointers(C, panel, NULL, &ptr);
+
+  uiLayoutSetPropSep(layout, true);
+
+  uiLayoutSetActive(layout, RNA_boolean_get(&ptr, "use_random_order"));
+  uiItemR(layout, &ptr, "seed", 0, NULL, ICON_NONE);
+}
+
+static void panelRegister(ARegionType *region_type)
+{
+  PanelType *panel_type = modifier_panel_register(region_type, eModifierType_Build, panel_draw);
+  modifier_subpanel_register(
+      region_type, "randomize", "", random_panel_header_draw, random_panel_draw, panel_type);
+}
+
 ModifierTypeInfo modifierType_Build = {
     /* name */ "Build",
     /* structName */ "BuildModifierData",
@@ -304,4 +359,5 @@ ModifierTypeInfo modifierType_Build = {
     /* foreachIDLink */ NULL,
     /* foreachTexLink */ NULL,
     /* freeRuntimeData */ NULL,
+    /* panelRegister */ panelRegister,
 };