add "Generate Triangle Strips" option to enable faster .msh iteration
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@ -60,14 +60,11 @@ from .msh_scene import create_scene
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from .msh_scene_save import save_scene
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from .msh_material_properties import *
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# ExportHelper is a helper class, defines filename and
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# invoke() function which calls the file selector.
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class ExportSomeData(Operator, ExportHelper):
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"""This appears in the tooltip of the operator and in the generated docs"""
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bl_idname = "export_test.some_data" # important since its how bpy.ops.import_test.some_data is constructed
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bl_label = "Export Some Data"
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class ExportMSH(Operator, ExportHelper):
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""" Export the current scene as a SWBF .msh file. """
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# ExportHelper mixin class uses this
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bl_idname = "swbf_msh.export"
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bl_label = "Export SWBF .msh File"
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filename_ext = ".msh"
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filter_glob: StringProperty(
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@ -76,38 +73,31 @@ class ExportSomeData(Operator, ExportHelper):
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maxlen=255, # Max internal buffer length, longer would be clamped.
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)
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# List of operator properties, the attributes will be assigned
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# to the class instance from the operator settings before calling.
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use_setting: BoolProperty(
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name="Example Boolean",
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description="Example Tooltip",
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default=True,
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)
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type: EnumProperty(
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name="Example Enum",
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description="Choose between two items",
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items=(
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('OPT_A', "First Option", "Description one"),
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('OPT_B', "Second Option", "Description two"),
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),
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default='OPT_A',
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generate_triangle_strips: BoolProperty(
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name="Generate Triangle Strips",
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description="Triangle strip generation can be slow for meshes with thousands of faces "
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"and is off by default to enable fast mesh iteration.\n\n"
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"In order to improve runtime performance and reduce munged model size you are "
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"**strongly** advised to turn it on for your 'final' export!",
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default=False
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)
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def execute(self, context):
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with open(self.filepath, 'wb') as output_file:
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save_scene(output_file, create_scene())
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save_scene(
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output_file=output_file,
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scene=create_scene(generate_triangle_strips=self.generate_triangle_strips))
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return {'FINISHED'}
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# Only needed if you want to add into a dynamic menu
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def menu_func_export(self, context):
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self.layout.operator(ExportSomeData.bl_idname, text="SWBF msh (.msh)")
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self.layout.operator(ExportMSH.bl_idname, text="SWBF msh (.msh)")
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def register():
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bpy.utils.register_class(MaterialProperties)
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bpy.utils.register_class(MaterialPropertiesPanel)
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bpy.utils.register_class(ExportSomeData)
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bpy.utils.register_class(ExportMSH)
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bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
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bpy.types.Material.swbf_msh = bpy.props.PointerProperty(type=MaterialProperties)
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@ -116,11 +106,8 @@ def register():
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def unregister():
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bpy.utils.unregister_class(MaterialProperties)
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bpy.utils.unregister_class(MaterialPropertiesPanel)
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bpy.utils.unregister_class(ExportSomeData)
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bpy.utils.unregister_class(ExportMSH)
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bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
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if __name__ == "__main__":
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register()
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# test call
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# bpy.ops.export_test.some_data('INVOKE_DEFAULT')
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@ -44,7 +44,7 @@ class Scene:
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materials: Dict[str, Material] = field(default_factory=dict)
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models: List[Model] = field(default_factory=list)
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def create_scene() -> Scene:
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def create_scene(generate_triangle_strips: bool) -> Scene:
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""" Create a msh Scene from the active Blender scene. """
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scene = Scene()
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@ -55,7 +55,14 @@ def create_scene() -> Scene:
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scene.models = gather_models()
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scene.models = sort_by_parent(scene.models)
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scene.models = create_models_triangle_strips(scene.models)
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if generate_triangle_strips:
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scene.models = create_models_triangle_strips(scene.models)
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else:
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for model in scene.models:
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if model.geometry:
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for segment in model.geometry:
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segment.triangle_strips = segment.triangles
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if has_multiple_root_models(scene.models):
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scene.models = reparent_model_roots(scene.models)
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