From 43afa87c5662f3a1ff7ca88d087c43834e9858df Mon Sep 17 00:00:00 2001
From: Tristan Strathearn <hello+tristan@hugemenace.co>
Date: Tue, 19 Apr 2022 10:05:33 +1000
Subject: [PATCH] feat: add toggle for "fast" booleans in addon preferences and
 set default to true (previously "exact")

---
 __init__.py               | 9 +++++++++
 booleans/boolean_slice.py | 7 +++++--
 booleans/vanilla.py       | 5 ++++-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/__init__.py b/__init__.py
index 621fad2..9b19dc9 100644
--- a/__init__.py
+++ b/__init__.py
@@ -59,6 +59,11 @@ class NDPreferences(AddonPreferences):
         default=False,
     )
 
+    use_fast_booleans: BoolProperty(
+        name="Use Fast Booleans",
+        default=True,
+    )
+
     mouse_value_scalar: FloatProperty(
         name="Mouse Value Scalar",
         default=0.0025,
@@ -126,6 +131,10 @@ def draw_general(self, box):
         row = column.row()
         row.prop(self, "utils_collection_name")
 
+        column = box.column(align=True)
+        row = column.row()
+        row.prop(self, "use_fast_booleans")
+
         box = box.box()
         column = box.column(align=True)
         row = column.row()
diff --git a/booleans/boolean_slice.py b/booleans/boolean_slice.py
index 8f40f81..814579e 100644
--- a/booleans/boolean_slice.py
+++ b/booleans/boolean_slice.py
@@ -1,5 +1,6 @@
 import bpy
 from .. lib.collections import move_to_utils_collection
+from .. lib.preferences import get_preferences
 
 
 class ND_OT_bool_slice(bpy.types.Operator):
@@ -16,6 +17,8 @@ def poll(cls, context):
 
 
     def execute(self, context):
+        solver = 'FAST' if get_preferences().use_fast_booleans else 'EXACT'
+
         a, b = context.selected_objects
         reference_obj = a if a.name != context.object.name else b
         
@@ -29,12 +32,12 @@ def execute(self, context):
         boolean_diff = difference_obj.modifiers.new("Difference — ND Bool", 'BOOLEAN')
         boolean_diff.operation = 'DIFFERENCE'
         boolean_diff.object = reference_obj
-        boolean_diff.solver = 'EXACT'
+        boolean_diff.solver = solver
 
         boolean_isect = intersecting_obj.modifiers.new("Intersection — ND Bool", 'BOOLEAN')
         boolean_isect.operation = 'INTERSECT'
         boolean_isect.object = reference_obj
-        boolean_isect.solver = 'EXACT'
+        boolean_isect.solver = solver
 
         reference_obj.display_type = 'WIRE'
         reference_obj.hide_render = True
diff --git a/booleans/vanilla.py b/booleans/vanilla.py
index 5fd541c..bfba0bf 100644
--- a/booleans/vanilla.py
+++ b/booleans/vanilla.py
@@ -1,5 +1,6 @@
 import bpy
 from .. lib.collections import move_to_utils_collection
+from .. lib.preferences import get_preferences
 
 
 class ND_OT_bool_vanilla(bpy.types.Operator):
@@ -23,13 +24,15 @@ def poll(cls, context):
 
 
     def execute(self, context):
+        solver = 'FAST' if get_preferences().use_fast_booleans else 'EXACT'
+
         a, b = context.selected_objects
         reference_obj = a if a.name != context.object.name else b
         
         boolean = context.object.modifiers.new(" — ".join([self.mode.capitalize(), "ND Bool"]), 'BOOLEAN')
         boolean.operation = self.mode
         boolean.object = reference_obj
-        boolean.solver = 'EXACT'
+        boolean.solver = solver
 
         reference_obj.display_type = 'WIRE'
         reference_obj.hide_render = True