Face Maps: custom-data, UI and RNA API

Add face maps, needed for face-map widgets,
only data structure, widgets will be separate commit.

This comes from 'custom-manipulator' branch with only minor changes.

1 files changed, 54 insertions, 0 deletions

diff --git a/release/scripts/startup/bl_ui/properties_data_mesh.py b/release/scripts/startup/bl_ui/properties_data_mesh.py
index 4dc6b8ee6ce..4d00b70a0fa 100644
--- a/release/scripts/startup/bl_ui/properties_data_mesh.py
+++ b/release/scripts/startup/bl_ui/properties_data_mesh.py
@@ -76,6 +76,17 @@ class MESH_UL_vgroups(UIList):
             layout.label(text="", icon_value=icon)
 
 
+class MESH_UL_fmaps(UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
+        # assert(isinstance(item, bpy.types.FaceMap))
+        fmap = item
+        if self.layout_type in {'DEFAULT', 'COMPACT'}:
+            layout.prop(fmap, "name", text="", emboss=False, icon_value=icon)
+        elif self.layout_type in {'GRID'}:
+            layout.alignment = 'CENTER'
+            layout.label(text="", icon_value=icon)
+
+
 class MESH_UL_shape_keys(UIList):
     def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
         # assert(isinstance(item, bpy.types.ShapeKey))
@@ -227,6 +238,47 @@ class DATA_PT_vertex_groups(MeshButtonsPanel, Panel):
             layout.prop(context.tool_settings, "vertex_group_weight", text="Weight")
 
 
+class DATA_PT_face_maps(MeshButtonsPanel, Panel):
+    bl_label = "Face Maps"
+    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME'}
+
+    @classmethod
+    def poll(cls, context):
+        obj = context.object
+        return (obj and obj.type == 'MESH')
+
+    def draw(self, context):
+        layout = self.layout
+
+        ob = context.object
+        facemap = ob.face_maps.active
+
+        rows = 2
+        if facemap:
+            rows = 4
+
+        row = layout.row()
+        row.template_list("MESH_UL_fmaps", "", ob, "face_maps", ob.face_maps, "active_index", rows=rows)
+
+        col = row.column(align=True)
+        col.operator("object.face_map_add", icon='ZOOMIN', text="")
+        col.operator("object.face_map_remove", icon='ZOOMOUT', text="")
+        if facemap:
+            col.separator()
+            col.operator("object.face_map_move", icon='TRIA_UP', text="").direction = 'UP'
+            col.operator("object.face_map_move", icon='TRIA_DOWN', text="").direction = 'DOWN'
+
+        if ob.face_maps and (ob.mode == 'EDIT' and ob.type == 'MESH'):
+            row = layout.row()
+
+            sub = row.row(align=True)
+            sub.operator("object.face_map_assign", text="Assign")
+            sub.operator("object.face_map_remove_from", text="Remove")
+
+            sub = row.row(align=True)
+            sub.operator("object.face_map_select", text="Select")
+            sub.operator("object.face_map_deselect", text="Deselect")
+
 class DATA_PT_shape_keys(MeshButtonsPanel, Panel):
     bl_label = "Shape Keys"
     COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_GAME', 'BLENDER_CLAY', 'BLENDER_EEVEE'}
@@ -396,12 +448,14 @@ classes = (
     MESH_MT_vertex_group_specials,
     MESH_MT_shape_key_specials,
     MESH_UL_vgroups,
+    MESH_UL_fmaps,
     MESH_UL_shape_keys,
     MESH_UL_uvmaps_vcols,
     DATA_PT_context_mesh,
     DATA_PT_normals,
     DATA_PT_texture_space,
     DATA_PT_vertex_groups,
+    DATA_PT_face_maps,
     DATA_PT_shape_keys,
     DATA_PT_uv_texture,
     DATA_PT_vertex_colors,