feat: add adaptive unit fallback support for both metric (meters) and…

… imperial (feet)

lib/preferences.py

@@ -38,7 +38,6 @@ def get_scene_unit_factor():
         return 1.0
 
     units = {
-        'ADAPTIVE'   : 1,
         'KILOMETERS' : 1000,
         'METERS'     : 1,
         'CENTIMETERS': 0.01,
@@ -50,6 +49,12 @@ def get_scene_unit_factor():
         'THOU'       : 0.0254 / 1000,
     }
 
+    if bpy.context.scene.unit_settings.length_unit == 'ADAPTIVE':
+        if bpy.context.scene.unit_settings.system == 'METRIC':
+            return units['METERS']
+        if bpy.context.scene.unit_settings.system == 'IMPERIAL':
+            return units['FEET']
+
     return units[bpy.context.scene.unit_settings.length_unit]
 
 
@@ -58,7 +63,6 @@ def get_scene_unit_suffix():
         return ""
 
     units = {
-        'ADAPTIVE'   : 'm',
         'KILOMETERS' : 'km',
         'METERS'     : 'm',
         'CENTIMETERS': 'cm',
@@ -70,4 +74,10 @@ def get_scene_unit_suffix():
         'THOU'       : 'thou',
     }
 
+    if bpy.context.scene.unit_settings.length_unit == 'ADAPTIVE':
+        if bpy.context.scene.unit_settings.system == 'METRIC':
+            return units['METERS']
+        if bpy.context.scene.unit_settings.system == 'IMPERIAL':
+            return units['FEET']
+
     return units[bpy.context.scene.unit_settings.length_unit]