From c78ebf9f26d01fcc3cf16baa9da922ee183f4b09 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Mon, 19 Mar 2018 14:49:59 +0100
Subject: Cleanup: split lattice into own library

Was mixed with object functionality.
---
 source/blender/blenkernel/intern/editlattice.c | 147 +++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 source/blender/blenkernel/intern/editlattice.c

(limited to 'source/blender/blenkernel/intern/editlattice.c')

diff --git a/source/blender/blenkernel/intern/editlattice.c b/source/blender/blenkernel/intern/editlattice.c
new file mode 100644
index 00000000000..cef3c970c7a
--- /dev/null
+++ b/source/blender/blenkernel/intern/editlattice.c
@@ -0,0 +1,147 @@
+/*
+ * ***** 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/editlattice.c
+ *  \ingroup bke
+ */
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_listBase.h"
+#include "DNA_object_types.h"
+#include "DNA_key_types.h"
+#include "DNA_lattice_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_curve_types.h"
+
+#include "BLI_math_vector.h"
+#include "BLI_listbase.h"
+
+#include "BKE_deform.h"
+#include "BKE_key.h"
+
+#include "BKE_editlattice.h" /* own include */
+
+void BKE_editlattice_free(Object *ob)
+{
+	Lattice *lt = ob->data;
+
+	if (lt->editlatt) {
+		Lattice *editlt = lt->editlatt->latt;
+
+		if (editlt->def) {
+			MEM_freeN(editlt->def);
+		}
+		if (editlt->dvert) {
+			BKE_defvert_array_free(editlt->dvert, editlt->pntsu * editlt->pntsv * editlt->pntsw);
+		}
+		MEM_freeN(editlt);
+		MEM_freeN(lt->editlatt);
+
+		lt->editlatt = NULL;
+	}
+}
+
+void BKE_editlattice_make(Object *obedit)
+{
+	Lattice *lt = obedit->data;
+	KeyBlock *actkey;
+
+	BKE_editlattice_free(obedit);
+
+	actkey = BKE_keyblock_from_object(obedit);
+	if (actkey) {
+		BKE_keyblock_convert_to_lattice(actkey, lt);
+	}
+	lt->editlatt = MEM_callocN(sizeof(EditLatt), "editlatt");
+	lt->editlatt->latt = MEM_dupallocN(lt);
+	lt->editlatt->latt->def = MEM_dupallocN(lt->def);
+
+	if (lt->dvert) {
+		int tot = lt->pntsu * lt->pntsv * lt->pntsw;
+		lt->editlatt->latt->dvert = MEM_mallocN(sizeof(MDeformVert) * tot, "Lattice MDeformVert");
+		BKE_defvert_array_copy(lt->editlatt->latt->dvert, lt->dvert, tot);
+	}
+
+	if (lt->key) {
+		lt->editlatt->shapenr = obedit->shapenr;
+	}
+}
+
+void BKE_editlattice_load(Object *obedit)
+{
+	Lattice *lt, *editlt;
+	KeyBlock *actkey;
+	BPoint *bp;
+	float *fp;
+	int tot;
+
+	lt = obedit->data;
+	editlt = lt->editlatt->latt;
+
+	if (lt->editlatt->shapenr) {
+		actkey = BLI_findlink(&lt->key->block, lt->editlatt->shapenr - 1);
+
+		/* active key: vertices */
+		tot = editlt->pntsu * editlt->pntsv * editlt->pntsw;
+
+		if (actkey->data) {
+			MEM_freeN(actkey->data);
+		}
+
+		fp = actkey->data = MEM_callocN(lt->key->elemsize * tot, "actkey->data");
+		actkey->totelem = tot;
+
+		bp = editlt->def;
+		while (tot--) {
+			copy_v3_v3(fp, bp->vec);
+			fp += 3;
+			bp++;
+		}
+	}
+	else {
+		MEM_freeN(lt->def);
+
+		lt->def = MEM_dupallocN(editlt->def);
+
+		lt->flag = editlt->flag;
+
+		lt->pntsu = editlt->pntsu;
+		lt->pntsv = editlt->pntsv;
+		lt->pntsw = editlt->pntsw;
+
+		lt->typeu = editlt->typeu;
+		lt->typev = editlt->typev;
+		lt->typew = editlt->typew;
+		lt->actbp = editlt->actbp;
+	}
+
+	if (lt->dvert) {
+		BKE_defvert_array_free(lt->dvert, lt->pntsu * lt->pntsv * lt->pntsw);
+		lt->dvert = NULL;
+	}
+
+	if (editlt->dvert) {
+		tot = lt->pntsu * lt->pntsv * lt->pntsw;
+
+		lt->dvert = MEM_mallocN(sizeof(MDeformVert) * tot, "Lattice MDeformVert");
+		BKE_defvert_array_copy(lt->dvert, editlt->dvert, tot);
+	}
+}
-- 
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