code cleanup: move functions for getting defgroup arrays from objects out of editors into blenkernel, since they are generally useful.

1 files changed, 123 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/object_deform.c b/source/blender/blenkernel/intern/object_deform.c
new file mode 100644
index 00000000000..911f5087412
--- /dev/null
+++ b/source/blender/blenkernel/intern/object_deform.c
@@ -0,0 +1,123 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/blenkernel/intern/object_deform.c
+ *  \ingroup bke
+ */
+
+#include <stdlib.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_utildefines.h"
+#include "BLI_ghash.h"
+
+#include "BKE_object_deform.h"  /* own include */
+#include "BKE_modifier.h"
+
+#include "DNA_armature_types.h"
+#include "DNA_modifier_types.h"
+#include "DNA_object_types.h"
+
+/* --- functions for getting vgroup aligned maps --- */
+
+/**
+ * gets the status of "flag" for each bDeformGroup
+ * in ob->defbase and returns an array containing them
+ */
+char *BKE_objdef_lock_flags_get(Object *ob, const int defbase_tot)
+{
+	char is_locked = FALSE;
+	int i;
+	//int defbase_tot = BLI_countlist(&ob->defbase);
+	char *lock_flags = MEM_mallocN(defbase_tot * sizeof(char), "defflags");
+	bDeformGroup *defgroup;
+
+	for (i = 0, defgroup = ob->defbase.first; i < defbase_tot && defgroup; defgroup = defgroup->next, i++) {
+		lock_flags[i] = ((defgroup->flag & DG_LOCK_WEIGHT) != 0);
+		is_locked |= lock_flags[i];
+	}
+	if (is_locked) {
+		return lock_flags;
+	}
+
+	MEM_freeN(lock_flags);
+	return NULL;
+}
+
+char *BKE_objdef_validmap_get(Object *ob, const int defbase_tot)
+{
+	bDeformGroup *dg;
+	ModifierData *md;
+	char *vgroup_validmap;
+	GHash *gh;
+	int i, step1 = 1;
+	//int defbase_tot = BLI_countlist(&ob->defbase);
+
+	if (ob->defbase.first == NULL) {
+		return NULL;
+	}
+
+	gh = BLI_ghash_str_new("BKE_objdef_validmap_get gh");
+
+	/* add all names to a hash table */
+	for (dg = ob->defbase.first; dg; dg = dg->next) {
+		BLI_ghash_insert(gh, dg->name, NULL);
+	}
+
+	BLI_assert(BLI_ghash_size(gh) == defbase_tot);
+
+	/* now loop through the armature modifiers and identify deform bones */
+	for (md = ob->modifiers.first; md; md = !md->next && step1 ? (step1 = 0), modifiers_getVirtualModifierList(ob) : md->next) {
+		if (!(md->mode & (eModifierMode_Realtime | eModifierMode_Virtual)))
+			continue;
+
+		if (md->type == eModifierType_Armature) {
+			ArmatureModifierData *amd = (ArmatureModifierData *) md;
+
+			if (amd->object && amd->object->pose) {
+				bPose *pose = amd->object->pose;
+				bPoseChannel *chan;
+
+				for (chan = pose->chanbase.first; chan; chan = chan->next) {
+					if (chan->bone->flag & BONE_NO_DEFORM)
+						continue;
+
+					if (BLI_ghash_remove(gh, chan->name, NULL, NULL)) {
+						BLI_ghash_insert(gh, chan->name, SET_INT_IN_POINTER(1));
+					}
+				}
+			}
+		}
+	}
+
+	vgroup_validmap = MEM_mallocN(defbase_tot, "wpaint valid map");
+
+	/* add all names to a hash table */
+	for (dg = ob->defbase.first, i = 0; dg; dg = dg->next, i++) {
+		vgroup_validmap[i] = (BLI_ghash_lookup(gh, dg->name) != NULL);
+	}
+
+	BLI_assert(i == BLI_ghash_size(gh));
+
+	BLI_ghash_free(gh, NULL, NULL);
+
+	return vgroup_validmap;
+}