From e2fd9add83405e944e9d708ad56fc8eac9599229 Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Tue, 11 Aug 2020 17:24:30 +1000
Subject: [PATCH] Add dumb wall feature

---
 .../blenderbim/bim/__init__.py                |  5 +++
 .../blenderbim/bim/module/model/wall.py       | 42 +++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 src/ifcblenderexport/blenderbim/bim/module/model/wall.py

diff --git a/src/ifcblenderexport/blenderbim/bim/__init__.py b/src/ifcblenderexport/blenderbim/bim/__init__.py
index 6f57a856fe..53d7e15f4e 100644
--- a/src/ifcblenderexport/blenderbim/bim/__init__.py
+++ b/src/ifcblenderexport/blenderbim/bim/__init__.py
@@ -11,6 +11,8 @@ if bpy is not None:
     from .module.covetool import ui as covetool_ui
     from .module.covetool import operator as covetool_operator
 
+    from .module.model import wall as model_wall
+
     classes = (
         operator.AssignClass,
         operator.UnassignClass,
@@ -266,6 +268,7 @@ if bpy is not None:
         covetool_operator.Login,
         covetool_operator.RunSimpleAnalysis,
         covetool_operator.RunAnalysis,
+        model_wall.BIM_OT_add_object,
         )
 
     def menu_func_export(self, context):
@@ -301,6 +304,7 @@ if bpy is not None:
         bpy.types.TextCurve.BIMTextProperties = bpy.props.PointerProperty(type=prop.BIMTextProperties)
         bpy.types.Scene.CoveToolProperties = bpy.props.PointerProperty(type=covetool_prop.CoveToolProperties)
         bpy.types.SCENE_PT_unit.append(ui.ifc_units)
+        bpy.types.VIEW3D_MT_mesh_add.append(model_wall.add_object_button)
 
     def unregister():
         for cls in reversed(classes):
@@ -320,3 +324,4 @@ if bpy is not None:
         del(bpy.types.Camera.BIMCameraProperties)
         del(bpy.types.Camera.BIMTextProperties)
         bpy.types.SCENE_PT_unit.remove(ui.ifc_units)
+        bpy.types.VIEW3D_MT_mesh_add.remove(model_wall.add_object_button)
diff --git a/src/ifcblenderexport/blenderbim/bim/module/model/wall.py b/src/ifcblenderexport/blenderbim/bim/module/model/wall.py
new file mode 100644
index 0000000000..de438eface
--- /dev/null
+++ b/src/ifcblenderexport/blenderbim/bim/module/model/wall.py
@@ -0,0 +1,42 @@
+import bpy
+from bpy.types import Operator
+from bpy.props import FloatVectorProperty, FloatProperty
+from bpy_extras.object_utils import AddObjectHelper, object_data_add
+from mathutils import Vector
+
+def add_object(self, context):
+    verts = [
+        Vector((0, 0, 0)),
+        Vector((0, 0, self.height)),
+        Vector((self.length, 0, self.height)),
+        Vector((self.length, 0, 0)),
+    ]
+    edges = []
+    faces = [[0, 1, 2, 3]]
+
+    mesh = bpy.data.meshes.new(name="New Dumb Wall")
+    mesh.from_pydata(verts, edges, faces)
+    obj = object_data_add(context, mesh, operator=self)
+    modifier = obj.modifiers.new('Wall Width', 'SOLIDIFY')
+    modifier.use_even_offset = True
+    modifier.thickness = self.width
+
+
+class BIM_OT_add_object(Operator, AddObjectHelper):
+    bl_idname = "mesh.add_object"
+    bl_label = "Dumb Wall"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    height: FloatProperty(name='Height', default=3)
+    length: FloatProperty(name='Length', default=1)
+    width: FloatProperty(name='Width', default=.2)
+
+    def execute(self, context):
+        add_object(self, context)
+        return {'FINISHED'}
+
+
+def add_object_button(self, context):
+    self.layout.operator(
+        BIM_OT_add_object.bl_idname,
+        icon='PLUGIN')