Apply patch D8816, from Zachary(AFWS) for collection boolean operand.

Also added code so that exact solver does the whole collection at once.
This patch allows users to use a collection (as an alternative to Object)
for the boolean modifier operand, and therefore get rid of a long modifier stack.

1 files changed, 7 insertions, 1 deletions

diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h
index a9f1d5bcfc4..9a5b5b8c2ca 100644
--- a/source/blender/makesdna/DNA_modifier_types.h
+++ b/source/blender/makesdna/DNA_modifier_types.h
@@ -861,26 +861,32 @@ typedef struct BooleanModifierData {
   ModifierData modifier;
 
   struct Object *object;
+  struct Collection *collection;
+  float double_threshold;
   char operation;
   char solver;
   char flag;
   char bm_flag;
-  float double_threshold;
 } BooleanModifierData;
 
+/* BooleanModifierData->operation */
 typedef enum {
   eBooleanModifierOp_Intersect = 0,
   eBooleanModifierOp_Union = 1,
   eBooleanModifierOp_Difference = 2,
 } BooleanModifierOp;
 
+/* BooleanModifierData->solver */
 typedef enum {
   eBooleanModifierSolver_Fast = 0,
   eBooleanModifierSolver_Exact = 1,
 } BooleanModifierSolver;
 
+/* BooleanModifierData->flag */
 enum {
   eBooleanModifierFlag_Self = (1 << 0),
+  eBooleanModifierFlag_Object = (1 << 1),
+  eBooleanModifierFlag_Collection = (1 << 2),
 };
 
 /* bm_flag only used when G_DEBUG. */