fix for fly mode restoring non-euler rotations

2 files changed, 62 insertions, 1 deletions

diff --git a/source/blender/blenkernel/BKE_object.h b/source/blender/blenkernel/BKE_object.h
index 5443a5b4513..a6a641a3219 100644
--- a/source/blender/blenkernel/BKE_object.h
+++ b/source/blender/blenkernel/BKE_object.h
@@ -116,6 +116,9 @@ int minmax_object_duplis(struct Scene *scene, struct Object *ob, float *min, flo
 void solve_tracking (struct Object *ob, float targetmat[][4]);
 int ray_hit_boundbox(struct BoundBox *bb, float ray_start[3], float ray_normal[3]);
 
+void *object_tfm_backup(struct Object *ob);
+void object_tfm_restore(struct Object *ob, void *obtfm_pt);
+
 void object_handle_update(struct Scene *scene, struct Object *ob);
 
 float give_timeoffset(struct Object *ob);
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index 1c0f9390496..46c26524f47 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -2393,7 +2393,6 @@ int minmax_object_duplis(Scene *scene, Object *ob, float *min, float *max)
 						float vec[3];
 						mul_v3_m4v3(vec, dob->mat, bb->vec[i]);
 						DO_MINMAX(vec, min, max);
-						// print_v3(dob->ob->id.name, vec); // some dupligroups give odd results - campbell
 					}
 
 					ok= 1;
@@ -2406,6 +2405,65 @@ int minmax_object_duplis(Scene *scene, Object *ob, float *min, float *max)
 	return ok;
 }
 
+/* copied from DNA_object_types.h */
+typedef struct ObTfmBack {
+	float loc[3], dloc[3], orig[3];
+	float size[3], dsize[3];	/* scale and delta scale */
+	float rot[3], drot[3];		/* euler rotation */
+	float quat[4], dquat[4];	/* quaternion rotation */
+	float rotAxis[3], drotAxis[3];	/* axis angle rotation - axis part */
+	float rotAngle, drotAngle;	/* axis angle rotation - angle part */
+	float obmat[4][4];		/* final worldspace matrix with constraints & animsys applied */
+	float parentinv[4][4]; /* inverse result of parent, so that object doesn't 'stick' to parent */
+	float constinv[4][4]; /* inverse result of constraints. doesn't include effect of parent or object local transform */
+	float imat[4][4];	/* inverse matrix of 'obmat' for during render, old game engine, temporally: ipokeys of transform  */
+} ObTfmBack;
+
+void *object_tfm_backup(Object *ob)
+{
+	ObTfmBack *obtfm= MEM_mallocN(sizeof(ObTfmBack), "ObTfmBack");
+	copy_v3_v3(obtfm->loc, ob->loc);
+	copy_v3_v3(obtfm->dloc, ob->dloc);
+	copy_v3_v3(obtfm->orig, ob->orig);
+	copy_v3_v3(obtfm->size, ob->size);
+	copy_v3_v3(obtfm->dsize, ob->dsize);
+	copy_v3_v3(obtfm->rot, ob->rot);
+	copy_v3_v3(obtfm->drot, ob->drot);
+	copy_qt_qt(obtfm->quat, ob->quat);
+	copy_qt_qt(obtfm->dquat, ob->dquat);
+	copy_v3_v3(obtfm->rotAxis, ob->rotAxis);
+	copy_v3_v3(obtfm->drotAxis, ob->drotAxis);
+	obtfm->rotAngle= ob->rotAngle;
+	obtfm->drotAngle= ob->drotAngle;
+	copy_m4_m4(obtfm->obmat, ob->obmat);
+	copy_m4_m4(obtfm->parentinv, ob->parentinv);
+	copy_m4_m4(obtfm->constinv, ob->constinv);
+	copy_m4_m4(obtfm->imat, ob->imat);
+
+	return (void *)obtfm;
+}
+
+void object_tfm_restore(Object *ob, void *obtfm_pt)
+{
+	ObTfmBack *obtfm= (ObTfmBack *)obtfm_pt;
+	copy_v3_v3(ob->loc, obtfm->loc);
+	copy_v3_v3(ob->dloc, obtfm->dloc);
+	copy_v3_v3(ob->orig, obtfm->orig);
+	copy_v3_v3(ob->size, obtfm->size);
+	copy_v3_v3(ob->dsize, obtfm->dsize);
+	copy_v3_v3(ob->rot, obtfm->rot);
+	copy_v3_v3(ob->drot, obtfm->drot);
+	copy_qt_qt(ob->quat, obtfm->quat);
+	copy_qt_qt(ob->dquat, obtfm->dquat);
+	copy_v3_v3(ob->rotAxis, obtfm->rotAxis);
+	copy_v3_v3(ob->drotAxis, obtfm->drotAxis);
+	ob->rotAngle= obtfm->rotAngle;
+	ob->drotAngle= obtfm->drotAngle;
+	copy_m4_m4(ob->obmat, obtfm->obmat);
+	copy_m4_m4(ob->parentinv, obtfm->parentinv);
+	copy_m4_m4(ob->constinv, obtfm->constinv);
+	copy_m4_m4(ob->imat, obtfm->imat);
+}
 
 /* proxy rule: lib_object->proxy_from == the one we borrow from, only set temporal and cleared here */
 /*           local_object->proxy      == pointer to library object, saved in files and read */