Invalid normals fix attempt 2

General-101 · Oct 13, 2024 · 34cd519 · 34cd519
1 parent 7e1adb2
commit 34cd519
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diff --git a/io_scene_halo/file_ass/process_scene.py b/io_scene_halo/file_ass/process_scene.py
@@ -495,6 +495,9 @@ def process_scene(context, version, game_version, hidden_geo, nonrender_geo, app
                         if not loop_normals:
                             normal = (object_matrix.to_3x3() @ vertex_data.normal).normalized()
 
+                        if normal.length <= 0.0:
+                            normal = (object_matrix.to_3x3() @ face.normal).normalized()
+
                         scaled_translation = mesh_processing.process_mesh_export_vert(vertex_data, "ASS", object_matrix, custom_scale)
                         uv_set = mesh_processing.process_mesh_export_uv(evaluted_mesh, "ASS", loop_index, version)
                         color = mesh_processing.process_mesh_export_color(evaluted_mesh, loop_index, point_idx)

diff --git a/io_scene_halo/file_jms/process_scene.py b/io_scene_halo/file_jms/process_scene.py
@@ -264,6 +264,9 @@ def process_scene(context, version, game_version, generate_checksum, fix_rotatio
                     if not loop_normals:
                         normal = (original_geo_matrix.to_3x3() @ vertex_data.normal).normalized()
 
+                    if normal.length <= 0.0:
+                        normal = (original_geo_matrix.to_3x3() @ face.normal).normalized()
+
                     scaled_translation = mesh_processing.process_mesh_export_vert(vertex_data, "JMS", original_geo_matrix, custom_scale)
                     uv_set = mesh_processing.process_mesh_export_uv(evaluted_mesh, "JMS", loop_index, version)
                     color = mesh_processing.process_mesh_export_color(evaluted_mesh, loop_index, point_idx)