io_scene_3ds/__init__.py

@@ -0,0 +1,175 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+from bpy_extras.io_utils import (
+    ImportHelper,
+    ExportHelper,
+    orientation_helper,
+    axis_conversion,
+)
+from bpy.props import (
+    BoolProperty,
+    EnumProperty,
+    FloatProperty,
+    StringProperty,
+)
+import bpy
+bl_info = {
+    "name": "Autodesk 3DS format",
+    "author": "Bob Holcomb, Campbell Barton, Andreas Atteneder, Sebastian Schrand",
+    "version": (2, 3, 1),
+    "blender": (3, 0, 0),
+    "location": "File > Import",
+    "description": "Import 3DS, meshes, uvs, materials, textures, "
+                   "cameras & lamps",
+    "warning": "Images must be in file folder",
+    "doc_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+               "Scripts/Import-Export/Autodesk_3DS",
+    "category": "Import-Export",
+}
+
+if "bpy" in locals():
+    import importlib
+    if "import_3ds" in locals():
+        importlib.reload(import_3ds)
+    if "export_3ds" in locals():
+        importlib.reload(export_3ds)
+
+
+@orientation_helper(axis_forward='Y', axis_up='Z')
+class Import3DS(bpy.types.Operator, ImportHelper):
+    """Import from 3DS file format (.3ds)"""
+    bl_idname = "import_scene.autodesk_3ds"
+    bl_label = 'Import 3DS'
+    bl_options = {'UNDO'}
+
+    filename_ext = ".3ds"
+    filter_glob: StringProperty(default="*.3ds", options={'HIDDEN'})
+
+    constrain_size: FloatProperty(
+        name="Size Constraint",
+        description="Scale the model by 10 until it reaches the "
+        "size constraint (0 to disable)",
+        min=0.0, max=1000.0,
+        soft_min=0.0, soft_max=1000.0,
+        default=10.0,
+    )
+    use_image_search: BoolProperty(
+        name="Image Search",
+        description="Search subdirectories for any associated images "
+        "(Warning, may be slow)",
+        default=True,
+    )
+    use_apply_transform: BoolProperty(
+        name="Apply Transform",
+        description="Workaround for object transformations "
+        "importing incorrectly",
+        default=True,
+    )
+
+    read_keyframe: bpy.props.BoolProperty(
+        name="Read Keyframe",
+        description="Read the keyframe data",
+        default=True,
+    )
+
+    def execute(self, context):
+        from . import import_3ds
+
+        keywords = self.as_keywords(ignore=("axis_forward",
+                                            "axis_up",
+                                            "filter_glob",
+                                            ))
+
+        global_matrix = axis_conversion(from_forward=self.axis_forward,
+                                        from_up=self.axis_up,
+                                        ).to_4x4()
+        keywords["global_matrix"] = global_matrix
+
+        return import_3ds.load(self, context, **keywords)
+
+
+@orientation_helper(axis_forward='Y', axis_up='Z')
+class Export3DS(bpy.types.Operator, ExportHelper):
+    """Export to 3DS file format (.3ds)"""
+    bl_idname = "export_scene.autodesk_3ds"
+    bl_label = 'Export 3DS'
+
+    filename_ext = ".3ds"
+    filter_glob: StringProperty(
+        default="*.3ds",
+        options={'HIDDEN'},
+    )
+
+    use_selection: BoolProperty(
+        name="Selection Only",
+        description="Export selected objects only",
+        default=False,
+    )
+
+    def execute(self, context):
+        from . import export_3ds
+
+        keywords = self.as_keywords(ignore=("axis_forward",
+                                            "axis_up",
+                                            "filter_glob",
+                                            "check_existing",
+                                            ))
+        global_matrix = axis_conversion(to_forward=self.axis_forward,
+                                        to_up=self.axis_up,
+                                        ).to_4x4()
+        keywords["global_matrix"] = global_matrix
+
+        return export_3ds.save(self, context, **keywords)
+
+
+# Add to a menu
+def menu_func_export(self, context):
+    self.layout.operator(Export3DS.bl_idname, text="3D Studio (.3ds)")
+
+
+def menu_func_import(self, context):
+    self.layout.operator(Import3DS.bl_idname, text="3D Studio (.3ds)")
+
+
+def register():
+    bpy.utils.register_class(Import3DS)
+    bpy.utils.register_class(Export3DS)
+
+    bpy.types.TOPBAR_MT_file_import.append(menu_func_import)
+    bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
+
+
+def unregister():
+    bpy.utils.unregister_class(Import3DS)
+    bpy.utils.unregister_class(Export3DS)
+
+    bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
+    bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
+
+# NOTES:
+# why add 1 extra vertex? and remove it when done? -
+#  "Answer - eekadoodle - would need to re-order UV's without this since face
+#  order isnt always what we give blender, BMesh will solve :D"
+#
+# disabled scaling to size, this requires exposing bb (easy) and understanding
+# how it works (needs some time)
+
+
+if __name__ == "__main__":
+    register()