feat: Implement initial addon

Signed-off-by: Lucas Schwiderski <lucas@lschwiderski.de>

.gitignore

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+__pycache__/

addon/bitsquid/__init__.py

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+#    Bitsquid Blender Tools
+#    Copyright (C) 2021  Lucas Schwiderski
+#
+#    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 3 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, see <https://www.gnu.org/licenses/>.
+
+
+bl_info = {
+    "name": "Bitsquid Engine",
+    "author": "Lucas Schwiderski",
+    "version": (0, 0, 1),
+    "blender": (2, 90, 0),
+    "location": "File > Import-Export",
+    "description": "Import-Export Bitsquid related files",
+    "category": "Import-Export",
+}
+
+# Reload sub modules if they are already loaded
+if "bpy" in locals():
+    import importlib
+    importlib.reload(unit_export)
+    importlib.reload(unit)
+
+import bpy
+from bpy.types import (
+    Panel,
+    Operator,
+    PropertyGroup,
+)
+from bpy.props import (
+    StringProperty,
+    EnumProperty,
+    PointerProperty,
+)
+from bpy_extras.io_utils import (
+    ExportHelper,
+    orientation_helper,
+    path_reference_mode,
+    axis_conversion,
+)
+from bitsquid.unit import export as unit_export
+
+
+class BitsquidSettings(PropertyGroup):
+    project_root: StringProperty(
+        name="Project Root",
+        description="The project directory considered as root path for all Bitsquid related operations.",
+        default="//",
+        subtype='DIR_PATH',
+    )
+
+
+class SCENE_PT_bitsquid(Panel):
+    bl_label = "Bitsquid"
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "scene"
+    # bl_options = {'DEFAULT_CLOSED'}
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = False
+        layout.use_property_decorate = False
+
+        bitsquid = context.scene.bitsquid
+        layout.prop(bitsquid, "project_root", text="Project Root")
+
+
+class BitsquidObjectSettings(PropertyGroup):
+    unit_filepath: StringProperty(
+        name="Unit File Path",
+        description="The directory to store the .unit file in. Needs to be within the project root.",
+        default="//",
+        subtype='DIR_PATH',
+    )
+
+
+class OBJECT_OT_bitsquid_export(Operator):
+    """Export this object into a Bitsquid Unit file"""
+    bl_idname = "object.bitsquid_export_unit"
+    bl_label = "Export .unit"
+    bl_options = {'REGISTER'}
+
+    filepath: StringProperty(subtype='DIR_PATH')
+
+    @classmethod
+    def poll(cls, context):
+        return bpy.data.is_saved and context.active_object is not None
+
+    def execute(self, context):
+        print("Export .unit")
+        return unit_export.save(self, context, context.object.bitsquid.unit_filepath)
+
+
+class OBJECT_PT_bitsquid(Panel):
+    bl_label = "Bitsquid"
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "object"
+    # bl_options = {'DEFAULT_CLOSED'}
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = False
+        layout.use_property_decorate = False
+
+        bitsquid = context.object.bitsquid
+        layout.prop(bitsquid, "unit_filepath", text="Unit File Path")
+        layout.operator("object.bitsquid_export_unit", text="Export .unit")
+
+
+# Register
+classes = [
+    BitsquidSettings,
+    SCENE_PT_bitsquid,
+    BitsquidObjectSettings,
+    OBJECT_PT_bitsquid,
+    OBJECT_OT_bitsquid_export,
+]
+
+
+def register():
+    from bpy.utils import register_class
+    for cls in classes:
+        register_class(cls)
+
+    bpy.types.Scene.bitsquid = PointerProperty(type=BitsquidSettings)
+    bpy.types.Object.bitsquid = PointerProperty(type=BitsquidObjectSettings)
+
+
+def unregister():
+    del bpy.types.Scene.bitsquid
+
+    from bpy.utils import unregister_class
+    for cls in reversed(classes):
+        unregister_class(cls)
+
+
+if __name__ == "__main__":
+    register()

addon/bitsquid/unit/__init__.py

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+

addon/bitsquid/unit/export.py

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+#    Bitsquid Blender Tools
+#    Copyright (C) 2021  Lucas Schwiderski
+#
+#    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 3 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, see <https://www.gnu.org/licenses/>.
+
+import bpy
+
+
+def save(self, context, unit_filepath):
+    filepath = bpy.path.abspath(unit_filepath)
+    self.report({'INFO'}, "Saving unit to " + filepath)
+
+    return {'FINISHED'}