add 'Export Target' property
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@ -1,7 +1,7 @@
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bl_info = {
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'name': 'SWBF .msh export',
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'author': 'SleepKiller',
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"version": (0, 1, 0),
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"version": (0, 2, 0),
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'blender': (2, 80, 0),
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'location': 'File > Import-Export',
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'description': 'Export as SWBF .msh file',
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@ -82,6 +82,15 @@ class ExportMSH(Operator, ExportHelper):
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default=False
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)
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export_target: EnumProperty(name="Export Target",
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description="What to export.",
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items=(
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('SCENE', "Scene", "Export the current active scene."),
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('SELECTED', "Selected", "Export the currently selected objects and their parents."),
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('SELECTED_WITH_CHILDREN', "Selected with Children", "Export the currently selected objects with their children and parents.")
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),
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default='SCENE')
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apply_modifiers: BoolProperty(
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name="Apply Modifiers",
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description="Whether to apply Modifiers during export or not.",
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@ -94,7 +103,8 @@ class ExportMSH(Operator, ExportHelper):
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output_file=output_file,
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scene=create_scene(
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generate_triangle_strips=self.generate_triangle_strips,
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apply_modifiers=self.apply_modifiers))
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apply_modifiers=self.apply_modifiers,
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export_target=self.export_target))
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return {'FINISHED'}
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@ -3,6 +3,7 @@
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import bpy
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import math
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from enum import Enum
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from typing import List, Set, Dict, Tuple
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from itertools import zip_longest
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from .msh_model import *
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@ -13,7 +14,7 @@ SKIPPED_OBJECT_TYPES = {"LATTICE", "CAMERA", "LIGHT", "SPEAKER", "LIGHT_PROBE"}
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MESH_OBJECT_TYPES = {"MESH", "CURVE", "SURFACE", "META", "FONT", "GPENCIL"}
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MAX_MSH_VERTEX_COUNT = 32767
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def gather_models(apply_modifiers: bool) -> List[Model]:
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def gather_models(apply_modifiers: bool, export_target: str) -> List[Model]:
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""" Gathers the Blender objects from the current scene and returns them as a list of
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Model objects. """
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@ -22,7 +23,7 @@ def gather_models(apply_modifiers: bool) -> List[Model]:
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models_list: List[Model] = []
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for uneval_obj in bpy.context.scene.objects:
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for uneval_obj in select_objects(export_target):
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if uneval_obj.type in SKIPPED_OBJECT_TYPES and uneval_obj.name not in parents:
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continue
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@ -276,6 +277,49 @@ def check_for_bad_lod_suffix(obj: bpy.types.Object):
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if name.endswith(f"_lod{i}"):
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raise RuntimeError(failure_message)
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def select_objects(export_target: str) -> List[bpy.types.Object]:
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""" Returns a list of objects to export. """
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if export_target == "SCENE" or not export_target in {"SELECTED", "SELECTED_WITH_CHILDREN"}:
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return list(bpy.context.scene.objects)
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objects = list(bpy.context.selected_objects)
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added = {obj.name for obj in objects}
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if export_target == "SELECTED_WITH_CHILDREN":
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children = []
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def add_children(parent):
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nonlocal children
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nonlocal added
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for obj in bpy.context.scene.objects:
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if obj.parent == parent and obj.name not in added:
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children.append(obj)
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added.add(obj.name)
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add_children(obj)
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for obj in objects:
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add_children(obj)
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objects = objects + children
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parents = []
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for obj in objects:
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parent = obj.parent
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while parent is not None:
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if parent.name not in added:
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parents.append(parent)
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added.add(parent.name)
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parent = parent.parent
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return objects + parents
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def convert_vector_space(vec: Vector) -> Vector:
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return Vector((-vec.x, vec.z, vec.y))
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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(generate_triangle_strips: bool, apply_modifiers: bool) -> Scene:
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def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_target: str) -> Scene:
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""" Create a msh Scene from the active Blender scene. """
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scene = Scene()
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@ -53,7 +53,7 @@ def create_scene(generate_triangle_strips: bool, apply_modifiers: bool) -> Scene
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scene.materials = gather_materials()
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scene.models = gather_models(apply_modifiers=apply_modifiers)
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scene.models = gather_models(apply_modifiers=apply_modifiers, export_target=export_target)
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scene.models = sort_by_parent(scene.models)
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if generate_triangle_strips:
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@ -45,6 +45,16 @@ In order to improve runtime performance and reduce munged model size you are **s
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For very complex scenes with meshes that have tens of thousands (or more) faces Blender may freeze up for a couple minutes while triangle strips are generated. Either minimize it and do something else on your PC while you wait and it'll eventually finish.
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#### Export Target
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Controls what to export from Blender.
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| | |
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| ---------------------- | ---------------------------------------------------------------------- |
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| Scene | Export the current active scene. |
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| Selected | Export the currently selected objects and their parents. |
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| Selected with Children | Export the currently selected objects with their children and parents. |
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#### Apply Modifiers
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Whether to apply [Modifiers](https://docs.blender.org/manual/en/latest/modeling/modifiers/index.html) during export or not.
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