Commit: cf946dfbb802cc4d7800122f895a88bce81ed790
Author: Campbell Barton
Date: Sat Nov 22 15:01:06 2014 +0100
Branches: bmesh-boolean-experiment
https://developer.blender.org/rBcf946dfbb802cc4d7800122f895a88bce81ed790
remove bmesh islands
quick test until we have proper test for which parts to remove.
===================================================================
M source/blender/modifiers/intern/MOD_boolean.c
===================================================================
diff --git a/source/blender/modifiers/intern/MOD_boolean.c
b/source/blender/modifiers/intern/MOD_boolean.c
index 6a31fbc..87eff87 100644
--- a/source/blender/modifiers/intern/MOD_boolean.c
+++ b/source/blender/modifiers/intern/MOD_boolean.c
@@ -213,6 +213,47 @@ static DerivedMesh *applyModifier(ModifierData *md, Object
*ob,
MEM_freeN(looptris);
}
+ {
+ /* group vars */
+ int *groups_array;
+ int (*group_index)[2];
+ int group_tot;
+ int i;
+ bool is_inside;
+ BMFace **ftable;
+
+ BM_mesh_elem_table_ensure(bm, BM_FACE);
+ ftable = bm->ftable;
+
+ groups_array =
MEM_mallocN(sizeof(*groups_array) * bm->totface, __func__);
+ group_tot = BM_mesh_calc_face_groups(
+ bm, groups_array, &group_index,
+ NULL, NULL,
+ 0, BM_EDGE);
+
+ /* first check if island is inside */
+
+ /* TODO, find if islands are inside/outside,
+ * for now remove alternate islands, as simple
testcase */
+ is_inside = false;
+
+
+ for (i = 0; i < group_tot; i++) {
+ int fg = group_index[i][0];
+ int fg_end = group_index[i][1] + fg;
+
+ if (is_inside) {
+ for (; fg != fg_end; fg++) {
+ BM_face_kill(bm,
ftable[groups_array[fg]]);
+ }
+ }
+ is_inside = !is_inside;
+ }
+
+ MEM_freeN(groups_array);
+ MEM_freeN(group_index);
+ }
+
result = CDDM_from_bmesh(bm, true);
BM_mesh_free(bm);
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