Mrl fixes (#107)

Refactor MRL creation to fix shading issues in exporting of unmodified characters.

Added "Features" sub-panel that lets you select all of the shader commands/parameters instead of trying to guess them based on textures used. This proved to be much more robust. The con is that creating a material from scratch might be more complicated, since basic parameters like setting the usage of normal map to use the first uv layer are not set.
Furthermore, some games don't support all parameters, and export will fail if they are used; right now there is no check nor hiding of parameters not supported for a game. The recommended workflow remains to copy the original existing materials.

Added Parameters for BlendState, Depth Stencil State and Rasterizer State.

Added 9 new texture slots to mtfw_shader: Detail 2 DNM, Albedo Blend BM, Albedo Blend 2 BM, Vertex Displacement, Vertex Displacement Mask, Hair Shift, Height Map, Emission Map.

Added 3 new Constant Buffer sub-panesl: CB Vertex Displacement, CB Vertex Displacement 2, and Color Mask. They are currently always showing, but are not exported if the corresponging texture is not set.

albam/blender_ui/custom_properties.py

@@ -88,6 +88,7 @@ def _create_custom_properties_secondary_subpanel(app_id, label, custom_props_id)
                 "bl_idname": bl_idname,
                 "APP_ID": app_id,
                 "custom_props_to_draw": custom_props_id,
+                "bl_options": {"DEFAULT_CLOSED"},
             }
         )
         # Since these factories are created at the end, we need to register manually
@@ -290,6 +291,7 @@ def draw(self, context):
         if not custom_props:
             return
         for k in custom_props.__annotations__:
+            # TODO: don't draw if marked as "HIDDEN"
             layout.prop(custom_props, k)
 
     @classmethod

albam/blender_ui/export_panel.py

@@ -13,6 +13,16 @@
 from .import_panel import ALBAM_UL_VirtualFileSystemUIBase
 
 
+@blender_registry.register_blender_prop_albam(name="export_settings")
+class AlbamExportSettings(bpy.types.PropertyGroup):
+    # remove suffix added by blender when there are duplicate material names.
+    # e.g. rename pl_skin.001 to pl_skin at export time.
+    # Mostly useful for import-export tests to be able to compare exported vs original,
+    # since many models can share a name and the blender database
+    # is not cleaned in each test.
+    remove_duplicate_materials_suffix : bpy.props.BoolProperty(default=True)
+
+
 @blender_registry.register_blender_prop
 class ExportableItem(bpy.types.PropertyGroup):
     # FIXME: hook to remove from list when object is deleted