object_relations.c

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/*
 * ***** 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.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * Contributor(s): Blender Foundation, 2002-2008 full recode
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "MEM_guardedalloc.h"

#include "DNA_anim_types.h"
#include "DNA_constraint_types.h"
#include "DNA_group_types.h"
#include "DNA_lamp_types.h"
#include "DNA_lattice_types.h"
#include "DNA_material_types.h"
#include "DNA_meta_types.h"
#include "DNA_particle_types.h"
#include "DNA_scene_types.h"
#include "DNA_speaker_types.h"
#include "DNA_world_types.h"
#include "DNA_object_types.h"

#include "BLI_math.h"
#include "BLI_editVert.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"

#include "BKE_action.h"
#include "BKE_animsys.h"
#include "BKE_armature.h"
#include "BKE_camera.h"
#include "BKE_context.h"
#include "BKE_constraint.h"
#include "BKE_curve.h"
#include "BKE_depsgraph.h"
#include "BKE_DerivedMesh.h"
#include "BKE_displist.h"
#include "BKE_global.h"
#include "BKE_fcurve.h"
#include "BKE_lamp.h"
#include "BKE_lattice.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_mball.h"
#include "BKE_mesh.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_report.h"
#include "BKE_sca.h"
#include "BKE_scene.h"
#include "BKE_speaker.h"
#include "BKE_texture.h"

#include "WM_api.h"
#include "WM_types.h"

#include "UI_interface.h"
#include "UI_resources.h"

#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "ED_armature.h"
#include "ED_curve.h"
#include "ED_keyframing.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "ED_view3d.h"
#include "ED_mesh.h"

#include "object_intern.h"

/*********************** Make Vertex Parent Operator ************************/

static int vertex_parent_set_poll(bContext *C)
{
    return ED_operator_editmesh(C) || ED_operator_editsurfcurve(C) || ED_operator_editlattice(C);
}

static int vertex_parent_set_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);
    Object *obedit= CTX_data_edit_object(C);
    EditVert *eve;
    Curve *cu;
    Nurb *nu;
    BezTriple *bezt;
    BPoint *bp;
    Object *par;
    int a, v1=0, v2=0, v3=0, v4=0, nr=1;
    
    /* we need 1 to 3 selected vertices */
    
    if(obedit->type==OB_MESH) {
        Mesh *me= obedit->data;
        EditMesh *em;

        load_editMesh(scene, obedit);
        make_editMesh(scene, obedit);

        em= BKE_mesh_get_editmesh(me);

        /* derivedMesh might be needed for solving parenting,
           so re-create it here */
        makeDerivedMesh(scene, obedit, em, CD_MASK_BAREMESH);

        eve= em->verts.first;
        while(eve) {
            if(eve->f & 1) {
                if(v1==0) v1= nr;
                else if(v2==0) v2= nr;
                else if(v3==0) v3= nr;
                else if(v4==0) v4= nr;
                else break;
            }
            nr++;
            eve= eve->next;
        }

        BKE_mesh_end_editmesh(me, em);
    }
    else if(ELEM(obedit->type, OB_SURF, OB_CURVE)) {
        ListBase *editnurb= object_editcurve_get(obedit);
        
        cu= obedit->data;

        nu= editnurb->first;
        while(nu) {
            if(nu->type == CU_BEZIER) {
                bezt= nu->bezt;
                a= nu->pntsu;
                while(a--) {
                    if(BEZSELECTED_HIDDENHANDLES(cu, bezt)) {
                        if(v1==0) v1= nr;
                        else if(v2==0) v2= nr;
                        else if(v3==0) v3= nr;
                        else if(v4==0) v4= nr;
                        else break;
                    }
                    nr++;
                    bezt++;
                }
            }
            else {
                bp= nu->bp;
                a= nu->pntsu*nu->pntsv;
                while(a--) {
                    if(bp->f1 & SELECT) {
                        if(v1==0) v1= nr;
                        else if(v2==0) v2= nr;
                        else if(v3==0) v3= nr;
                        else if(v4==0) v4= nr;
                        else break;
                    }
                    nr++;
                    bp++;
                }
            }
            nu= nu->next;
        }
    }
    else if(obedit->type==OB_LATTICE) {
        Lattice *lt= obedit->data;
        
        a= lt->editlatt->latt->pntsu*lt->editlatt->latt->pntsv*lt->editlatt->latt->pntsw;
        bp= lt->editlatt->latt->def;
        while(a--) {
            if(bp->f1 & SELECT) {
                if(v1==0) v1= nr;
                else if(v2==0) v2= nr;
                else if(v3==0) v3= nr;
                else if(v4==0) v4= nr;
                else break;
            }
            nr++;
            bp++;
        }
    }
    
    if(v4 || !((v1 && v2==0 && v3==0) || (v1 && v2 && v3)) ) {
        BKE_report(op->reports, RPT_ERROR, "Select either 1 or 3 vertices to parent to");
        return OPERATOR_CANCELLED;
    }
    
    CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
        if(ob != obedit) {
            ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
            par= obedit->parent;
            
            while(par) {
                if(par==ob) break;
                par= par->parent;
            }
            if(par) {
                BKE_report(op->reports, RPT_ERROR, "Loop in parents");
            }
            else {
                Object workob;
                
                ob->parent= BASACT->object;
                if(v3) {
                    ob->partype= PARVERT3;
                    ob->par1= v1-1;
                    ob->par2= v2-1;
                    ob->par3= v3-1;

                    /* inverse parent matrix */
                    what_does_parent(scene, ob, &workob);
                    invert_m4_m4(ob->parentinv, workob.obmat);
                }
                else {
                    ob->partype= PARVERT1;
                    ob->par1= v1-1;

                    /* inverse parent matrix */
                    what_does_parent(scene, ob, &workob);
                    invert_m4_m4(ob->parentinv, workob.obmat);
                }
            }
        }
    }
    CTX_DATA_END;
    
    DAG_scene_sort(bmain, scene);

    WM_event_add_notifier(C, NC_OBJECT, NULL);

    return OPERATOR_FINISHED;
}

void OBJECT_OT_vertex_parent_set(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Make Vertex Parent";
    ot->description = "Parent selected objects to the selected vertices";
    ot->idname= "OBJECT_OT_vertex_parent_set";
    
    /* api callbacks */
    ot->invoke= WM_operator_confirm;
    ot->poll= vertex_parent_set_poll;
    ot->exec= vertex_parent_set_exec;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}

/********************** Make Proxy Operator *************************/

/* set the object to proxify */
static int make_proxy_invoke (bContext *C, wmOperator *op, wmEvent *evt)
{
    Scene *scene= CTX_data_scene(C);
    Object *ob= ED_object_active_context(C);
    
    /* sanity checks */
    if (!scene || scene->id.lib || !ob)
        return OPERATOR_CANCELLED;
        
    /* Get object to work on - use a menu if we need to... */
    if (ob->dup_group && ob->dup_group->id.lib) {
        /* gives menu with list of objects in group */
        //proxy_group_objects_menu(C, op, ob, ob->dup_group);
        WM_enum_search_invoke(C, op, evt);
        return OPERATOR_CANCELLED;

    }
    else if (ob->id.lib) {
        uiPopupMenu *pup= uiPupMenuBegin(C, "OK?", ICON_QUESTION);
        uiLayout *layout= uiPupMenuLayout(pup);
        
        /* create operator menu item with relevant properties filled in */
        uiItemFullO(layout, op->idname, op->type->name, ICON_NONE, NULL, WM_OP_EXEC_REGION_WIN, UI_ITEM_O_RETURN_PROPS);
        
        /* present the menu and be done... */
        uiPupMenuEnd(C, pup);
    }
    else {
        /* error.. cannot continue */
        BKE_report(op->reports, RPT_ERROR, "Can only make proxy for a referenced object or group");
    }
    
    /* this invoke just calls another instance of this operator... */
    return OPERATOR_CANCELLED;
}

static int make_proxy_exec (bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Object *ob, *gob= ED_object_active_context(C);
    GroupObject *go;
    Scene *scene= CTX_data_scene(C);

    if (gob->dup_group != NULL)
    {
        go= BLI_findlink(&gob->dup_group->gobject, RNA_enum_get(op->ptr, "type"));
        ob= go->ob;
    }
    else
    {
        ob= gob;
        gob = NULL;
    }
    
    if (ob) {
        Object *newob;
        Base *newbase, *oldbase= BASACT;
        char name[MAX_ID_NAME+4];
        
        /* Add new object for the proxy */
        newob= add_object(scene, OB_EMPTY);

        BLI_snprintf(name, sizeof(name), "%s_proxy", ((ID *)(gob ? gob : ob))->name+2);

        rename_id(&newob->id, name);
        
        /* set layers OK */
        newbase= BASACT;    /* add_object sets active... */
        newbase->lay= oldbase->lay;
        newob->lay= newbase->lay;
        
        /* remove base, leave user count of object, it gets linked in object_make_proxy */
        if (gob==NULL) {
            BLI_remlink(&scene->base, oldbase);
            MEM_freeN(oldbase);
        }
        
        object_make_proxy(newob, ob, gob);
        
        /* depsgraph flushes are needed for the new data */
        DAG_scene_sort(bmain, scene);
        DAG_id_tag_update(&newob->id, OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME);
        WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, newob);
    }
    else {
        BKE_report(op->reports, RPT_ERROR, "No object to make proxy for");
        return OPERATOR_CANCELLED;
    }
    
    return OPERATOR_FINISHED;
}

/* Generic itemf's for operators that take library args */
static EnumPropertyItem *proxy_group_object_itemf(bContext *C, PointerRNA *UNUSED(ptr), PropertyRNA *UNUSED(prop), int *free)
{
    EnumPropertyItem item_tmp= {0}, *item= NULL;
    int totitem= 0;
    int i= 0;
    Object *ob= ED_object_active_context(C);
    GroupObject *go;

    if(!ob || !ob->dup_group)
        return DummyRNA_DEFAULT_items;

    /* find the object to affect */
    for (go= ob->dup_group->gobject.first; go; go= go->next) {
        item_tmp.identifier= item_tmp.name= go->ob->id.name+2;
        item_tmp.value= i++;
        RNA_enum_item_add(&item, &totitem, &item_tmp);
    }

    RNA_enum_item_end(&item, &totitem);
    *free= 1;

    return item;
}

void OBJECT_OT_proxy_make (wmOperatorType *ot)
{
    PropertyRNA *prop;

    /* identifiers */
    ot->name= "Make Proxy";
    ot->idname= "OBJECT_OT_proxy_make";
    ot->description= "Add empty object to become local replacement data of a library-linked object";
    
    /* callbacks */
    ot->invoke= make_proxy_invoke;
    ot->exec= make_proxy_exec;
    ot->poll= ED_operator_object_active;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    RNA_def_string(ot->srna, "object", "", MAX_ID_NAME-2, "Proxy Object", "Name of lib-linked/grouped object to make a proxy for");
    prop= RNA_def_enum(ot->srna, "type", DummyRNA_DEFAULT_items, 0, "Type", "Group object"); /* XXX, relies on hard coded ID at the moment */
    RNA_def_enum_funcs(prop, proxy_group_object_itemf);
    ot->prop= prop;
}

/********************** Clear Parent Operator ******************* */

static EnumPropertyItem prop_clear_parent_types[] = {
    {0, "CLEAR", 0, "Clear Parent", ""},
    {1, "CLEAR_KEEP_TRANSFORM", 0, "Clear and Keep Transformation", ""},
    {2, "CLEAR_INVERSE", 0, "Clear Parent Inverse", ""},
    {0, NULL, 0, NULL, NULL}
};

/* note, poll should check for editable scene */
static int parent_clear_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);
    int type= RNA_enum_get(op->ptr, "type");
    
    CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {

        if(ob->parent == NULL)
            continue;
        
        if(type == 0) {
            ob->parent= NULL;
        }           
        else if(type == 1) {
            ob->parent= NULL;
            object_apply_mat4(ob, ob->obmat, TRUE, FALSE);
        }
        else if(type == 2)
            unit_m4(ob->parentinv);

        ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
    }
    CTX_DATA_END;
    
    DAG_scene_sort(bmain, scene);
    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
    WM_event_add_notifier(C, NC_OBJECT|ND_PARENT, NULL);

    return OPERATOR_FINISHED;
}

void OBJECT_OT_parent_clear(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Clear Parent";
    ot->description = "Clear the object's parenting";
    ot->idname= "OBJECT_OT_parent_clear";
    
    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= parent_clear_exec;
    
    ot->poll= ED_operator_object_active_editable;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    ot->prop= RNA_def_enum(ot->srna, "type", prop_clear_parent_types, 0, "Type", "");
}

/* ******************** Make Parent Operator *********************** */

#define PAR_OBJECT              0
#define PAR_ARMATURE            1
#define PAR_ARMATURE_NAME       2
#define PAR_ARMATURE_ENVELOPE   3
#define PAR_ARMATURE_AUTO       4
#define PAR_BONE                5
#define PAR_CURVE               6
#define PAR_FOLLOW              7
#define PAR_PATH_CONST          8
#define PAR_LATTICE             9
#define PAR_VERTEX              10
#define PAR_TRIA                11

static EnumPropertyItem prop_make_parent_types[] = {
    {PAR_OBJECT, "OBJECT", 0, "Object", ""},
    {PAR_ARMATURE, "ARMATURE", 0, "Armature Deform", ""},
    {PAR_ARMATURE_NAME, "ARMATURE_NAME", 0, "   With Empty Groups", ""},
    {PAR_ARMATURE_AUTO, "ARMATURE_AUTO", 0, "   With Automatic Weights", ""},
    {PAR_ARMATURE_ENVELOPE, "ARMATURE_ENVELOPE", 0, "   With Envelope Weights", ""},
    {PAR_BONE, "BONE", 0, "Bone", ""},
    {PAR_CURVE, "CURVE", 0, "Curve Deform", ""},
    {PAR_FOLLOW, "FOLLOW", 0, "Follow Path", ""},
    {PAR_PATH_CONST, "PATH_CONST", 0, "Path Constraint", ""},
    {PAR_LATTICE, "LATTICE", 0, "Lattice Deform", ""},
    {PAR_VERTEX, "VERTEX", 0, "Vertex", ""},
    {PAR_TRIA, "TRIA", 0, "Triangle", ""},
    {0, NULL, 0, NULL, NULL}
};

void ED_object_parent(Object *ob, Object *par, int type, const char *substr)
{
    if (!par || BKE_object_parent_loop_check(par, ob)) {
        ob->parent= NULL;
        ob->partype= PAROBJECT;
        ob->parsubstr[0]= 0;
        return;
    }

    /* this could use some more checks */

    ob->parent= par;
    ob->partype &= ~PARTYPE;
    ob->partype |= type;
    BLI_strncpy(ob->parsubstr, substr, sizeof(ob->parsubstr));
}

static int parent_set_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);
    Object *par= ED_object_active_context(C);
    bPoseChannel *pchan= NULL;
    int partype= RNA_enum_get(op->ptr, "type");
    int pararm= ELEM4(partype, PAR_ARMATURE, PAR_ARMATURE_NAME, PAR_ARMATURE_ENVELOPE, PAR_ARMATURE_AUTO);
    
    par->recalc |= OB_RECALC_OB;
    
    /* preconditions */
    if(partype==PAR_FOLLOW || partype==PAR_PATH_CONST) {
        if(par->type!=OB_CURVE)
            return OPERATOR_CANCELLED;
        else {
            Curve *cu= par->data;
            
            if((cu->flag & CU_PATH)==0) {
                cu->flag |= CU_PATH|CU_FOLLOW;
                makeDispListCurveTypes(scene, par, 0);  /* force creation of path data */
            }
            else cu->flag |= CU_FOLLOW;
            
            /* if follow, add F-Curve for ctime (i.e. "eval_time") so that path-follow works */
            if(partype == PAR_FOLLOW) {
                /* get or create F-Curve */
                bAction *act = verify_adt_action(&cu->id, 1);
                FCurve *fcu = verify_fcurve(act, NULL, "eval_time", 0, 1);
                
                /* setup dummy 'generator' modifier here to get 1-1 correspondance still working */
                if (!fcu->bezt && !fcu->fpt && !fcu->modifiers.first)
                    add_fmodifier(&fcu->modifiers, FMODIFIER_TYPE_GENERATOR);
            }
            
            /* fall back on regular parenting now (for follow only) */
            if(partype == PAR_FOLLOW)
                partype= PAR_OBJECT;
        }       
    }
    else if(partype==PAR_BONE) {
        pchan= get_active_posechannel(par);
        
        if(pchan==NULL) {
            BKE_report(op->reports, RPT_ERROR, "No active Bone");
            return OPERATOR_CANCELLED;
        }
    }
    
    /* context iterator */
    CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
        
        if(ob!=par) {
            
            if (BKE_object_parent_loop_check(par, ob)) {
                BKE_report(op->reports, RPT_ERROR, "Loop in parents");
            }
            else {
                Object workob;
                
                /* apply transformation of previous parenting */
                /* object_apply_mat4(ob, ob->obmat); */ /* removed because of bug [#23577] */

                /* set the parent (except for follow-path constraint option) */
                if(partype != PAR_PATH_CONST)
                    ob->parent= par;
                
                /* handle types */
                if (pchan)
                    BLI_strncpy(ob->parsubstr, pchan->name, sizeof(ob->parsubstr));
                else
                    ob->parsubstr[0]= 0;
                    
                if(partype == PAR_PATH_CONST)
                    ; /* don't do anything here, since this is not technically "parenting" */
                else if( ELEM(partype, PAR_CURVE, PAR_LATTICE) || pararm )
                {
                    /* partype is now set to PAROBJECT so that invisible 'virtual' modifiers don't need to be created
                     * NOTE: the old (2.4x) method was to set ob->partype = PARSKEL, creating the virtual modifiers
                     */
                    ob->partype= PAROBJECT; /* note, dna define, not operator property */
                    //ob->partype= PARSKEL; /* note, dna define, not operator property */
                    
                    /* BUT, to keep the deforms, we need a modifier, and then we need to set the object that it uses */
                    // XXX currently this should only happen for meshes, curves, surfaces, and lattices - this stuff isn't available for metas yet
                    if (ELEM5(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_LATTICE)) 
                    {
                        ModifierData *md;

                        switch (partype) {
                        case PAR_CURVE: /* curve deform */
                            md= ED_object_modifier_add(op->reports, bmain, scene, ob, NULL, eModifierType_Curve);
                            ((CurveModifierData *)md)->object= par;
                            break;
                        case PAR_LATTICE: /* lattice deform */
                            md= ED_object_modifier_add(op->reports, bmain, scene, ob, NULL, eModifierType_Lattice);
                            ((LatticeModifierData *)md)->object= par;
                            break;
                        default: /* armature deform */
                            md= ED_object_modifier_add(op->reports, bmain, scene, ob, NULL, eModifierType_Armature);
                            ((ArmatureModifierData *)md)->object= par;
                            break;
                        }
                    }
                }
                else if (partype == PAR_BONE)
                    ob->partype= PARBONE; /* note, dna define, not operator property */
                else
                    ob->partype= PAROBJECT; /* note, dna define, not operator property */
                
                /* constraint */
                if(partype == PAR_PATH_CONST) {
                    bConstraint *con;
                    bFollowPathConstraint *data;
                    float cmat[4][4], vec[3];
                    
                    con = add_ob_constraint(ob, "AutoPath", CONSTRAINT_TYPE_FOLLOWPATH);
                    
                    data = con->data;
                    data->tar = par;
                    
                    get_constraint_target_matrix(scene, con, 0, CONSTRAINT_OBTYPE_OBJECT, NULL, cmat, scene->r.cfra);
                    sub_v3_v3v3(vec, ob->obmat[3], cmat[3]);
                    
                    ob->loc[0] = vec[0];
                    ob->loc[1] = vec[1];
                    ob->loc[2] = vec[2];
                }
                else if(pararm && ob->type==OB_MESH && par->type == OB_ARMATURE) {
                    if(partype == PAR_ARMATURE_NAME)
                        create_vgroups_from_armature(op->reports, scene, ob, par, ARM_GROUPS_NAME, 0);
                    else if(partype == PAR_ARMATURE_ENVELOPE)
                        create_vgroups_from_armature(op->reports, scene, ob, par, ARM_GROUPS_ENVELOPE, 0);
                    else if(partype == PAR_ARMATURE_AUTO) {
                        WM_cursor_wait(1);
                        create_vgroups_from_armature(op->reports, scene, ob, par, ARM_GROUPS_AUTO, 0);
                        WM_cursor_wait(0);
                    }
                    /* get corrected inverse */
                    ob->partype= PAROBJECT;
                    what_does_parent(scene, ob, &workob);
                    
                    invert_m4_m4(ob->parentinv, workob.obmat);
                }
                else {
                    /* calculate inverse parent matrix */
                    what_does_parent(scene, ob, &workob);
                    invert_m4_m4(ob->parentinv, workob.obmat);
                }
                
                ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA;
            }
        }
    }
    CTX_DATA_END;
    
    DAG_scene_sort(bmain, scene);
    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
    WM_event_add_notifier(C, NC_OBJECT|ND_PARENT, NULL);
    
    return OPERATOR_FINISHED;
}

static int parent_set_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *UNUSED(event))
{
    Object *ob= ED_object_active_context(C);
    uiPopupMenu *pup= uiPupMenuBegin(C, "Set Parent To", ICON_NONE);
    uiLayout *layout= uiPupMenuLayout(pup);
    
    uiLayoutSetOperatorContext(layout, WM_OP_EXEC_DEFAULT);
    uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_OBJECT);
    
    /* ob becomes parent, make the associated menus */
    if(ob->type==OB_ARMATURE) {
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_ARMATURE);
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_ARMATURE_NAME);
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_ARMATURE_ENVELOPE);
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_ARMATURE_AUTO);
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_BONE);
    }
    else if(ob->type==OB_CURVE) {
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_CURVE);
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_FOLLOW);
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_PATH_CONST);
    }
    else if(ob->type == OB_LATTICE) {
        uiItemEnumO(layout, "OBJECT_OT_parent_set", NULL, 0, "type", PAR_LATTICE);
    }
    
    uiPupMenuEnd(C, pup);
    
    return OPERATOR_CANCELLED;
}


void OBJECT_OT_parent_set(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Make Parent";
    ot->description = "Set the object's parenting";
    ot->idname= "OBJECT_OT_parent_set";
    
    /* api callbacks */
    ot->invoke= parent_set_invoke;
    ot->exec= parent_set_exec;
    
    ot->poll= ED_operator_object_active;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    RNA_def_enum(ot->srna, "type", prop_make_parent_types, 0, "Type", "");
}

/* ************ Make Parent Without Inverse Operator ******************* */

static int parent_noinv_set_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Object *par= ED_object_active_context(C);
    
    par->recalc |= OB_RECALC_OB;
    
    /* context iterator */
    CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
        if (ob != par) {
            if (BKE_object_parent_loop_check(par, ob)) {
                BKE_report(op->reports, RPT_ERROR, "Loop in parents");
            }
            else {
                /* clear inverse matrix and also the object location */
                unit_m4(ob->parentinv);
                memset(ob->loc, 0, 3*sizeof(float));
                
                /* set recalc flags */
                ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA;
                
                /* set parenting type for object - object only... */
                ob->parent= par;
                ob->partype= PAROBJECT; /* note, dna define, not operator property */
            }
        }
    }
    CTX_DATA_END;
    
    DAG_scene_sort(bmain, CTX_data_scene(C));
    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_parent_no_inverse_set(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Make Parent without Inverse";
    ot->description = "Set the object's parenting without setting the inverse parent correction";
    ot->idname= "OBJECT_OT_parent_no_inverse_set";
    
    /* api callbacks */
    ot->invoke= WM_operator_confirm;
    ot->exec= parent_noinv_set_exec;
    ot->poll= ED_operator_object_active_editable;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}

/************************ Clear Slow Parent Operator *********************/

static int object_slow_parent_clear_exec(bContext *C, wmOperator *UNUSED(op))
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);

    CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
        if(ob->parent) {
            if(ob->partype & PARSLOW) {
                ob->partype -= PARSLOW;
                where_is_object(scene, ob);
                ob->partype |= PARSLOW;
                ob->recalc |= OB_RECALC_OB;
            }
        }
    }
    CTX_DATA_END;

    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_SCENE, scene);
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_slow_parent_clear(wmOperatorType *ot)
{
    
    /* identifiers */
    ot->name= "Clear Slow Parent";
    ot->description = "Clear the object's slow parent";
    ot->idname= "OBJECT_OT_slow_parent_clear";
    
    /* api callbacks */
    ot->invoke= WM_operator_confirm;
    ot->exec= object_slow_parent_clear_exec;
    ot->poll= ED_operator_view3d_active;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}

/********************** Make Slow Parent Operator *********************/

static int object_slow_parent_set_exec(bContext *C, wmOperator *UNUSED(op))
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);

    CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
        if(ob->parent)
            ob->partype |= PARSLOW;

        ob->recalc |= OB_RECALC_OB;
        
    }
    CTX_DATA_END;

    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_SCENE, scene);
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_slow_parent_set(wmOperatorType *ot)
{
    
    /* identifiers */
    ot->name= "Set Slow Parent";
    ot->description = "Set the object's slow parent";
    ot->idname= "OBJECT_OT_slow_parent_set";
    
    /* api callbacks */
    ot->invoke= WM_operator_confirm;
    ot->exec= object_slow_parent_set_exec;
    ot->poll= ED_operator_view3d_active;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
}

/* ******************** Clear Track Operator ******************* */

static EnumPropertyItem prop_clear_track_types[] = {
    {0, "CLEAR", 0, "Clear Track", ""},
    {1, "CLEAR_KEEP_TRANSFORM", 0, "Clear and Keep Transformation (Clear Track)", ""},
    {0, NULL, 0, NULL, NULL}
};

/* note, poll should check for editable scene */
static int object_track_clear_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);
    int type= RNA_enum_get(op->ptr, "type");

    if(CTX_data_edit_object(C)) {
        BKE_report(op->reports, RPT_ERROR, "Operation cannot be performed in EditMode");
        return OPERATOR_CANCELLED;
    }
    CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
        bConstraint *con, *pcon;
        
        /* remove track-object for old track */
        ob->track= NULL;
        ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
        
        /* also remove all tracking constraints */
        for (con= ob->constraints.last; con; con= pcon) {
            pcon= con->prev;
            if (ELEM3(con->type, CONSTRAINT_TYPE_TRACKTO, CONSTRAINT_TYPE_LOCKTRACK, CONSTRAINT_TYPE_DAMPTRACK))
                remove_constraint(&ob->constraints, con);
        }
        
        if(type == 1)
            object_apply_mat4(ob, ob->obmat, TRUE, TRUE);
    }
    CTX_DATA_END;

    DAG_ids_flush_update(bmain, 0);
    DAG_scene_sort(bmain, scene);
    WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);

    return OPERATOR_FINISHED;
}

void OBJECT_OT_track_clear(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Clear track";
    ot->description = "Clear tracking constraint or flag from object";
    ot->idname= "OBJECT_OT_track_clear";
    
    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= object_track_clear_exec;
    
    ot->poll= ED_operator_objectmode;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    ot->prop= RNA_def_enum(ot->srna, "type", prop_clear_track_types, 0, "Type", "");
}

/************************** Make Track Operator *****************************/

static EnumPropertyItem prop_make_track_types[] = {
    {1, "DAMPTRACK", 0, "Damped Track Constraint", ""},
    {2, "TRACKTO", 0, "Track To Constraint", ""},
    {3, "LOCKTRACK", 0, "Lock Track Constraint", ""},
    {0, NULL, 0, NULL, NULL}
};

static int track_set_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);
    Object *obact= ED_object_active_context(C); 
    
    int type= RNA_enum_get(op->ptr, "type");
    
    if(type == 1) {
        bConstraint *con;
        bDampTrackConstraint *data;

        CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
            if(ob!=obact) {
                con = add_ob_constraint(ob, "AutoTrack", CONSTRAINT_TYPE_DAMPTRACK);

                data = con->data;
                data->tar = obact;
                ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
                
                /* Lamp, Camera and Speaker track differently by default */
                if (ob->type == OB_LAMP || ob->type == OB_CAMERA || ob->type == OB_SPEAKER)
                    data->trackflag = TRACK_nZ;
            }
        }
        CTX_DATA_END;
    }
    else if(type == 2) {
        bConstraint *con;
        bTrackToConstraint *data;

        CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
            if(ob!=obact) {
                con = add_ob_constraint(ob, "AutoTrack", CONSTRAINT_TYPE_TRACKTO);

                data = con->data;
                data->tar = obact;
                ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
                
                /* Lamp, Camera and Speaker track differently by default */
                if (ob->type == OB_LAMP || ob->type == OB_CAMERA || ob->type == OB_SPEAKER) {
                    data->reserved1 = TRACK_nZ;
                    data->reserved2 = UP_Y;
                }
            }
        }
        CTX_DATA_END;
    }
    else if(type == 3) {
        bConstraint *con;
        bLockTrackConstraint *data;

        CTX_DATA_BEGIN(C, Object*, ob, selected_editable_objects) {
            if(ob!=obact) {
                con = add_ob_constraint(ob, "AutoTrack", CONSTRAINT_TYPE_LOCKTRACK);

                data = con->data;
                data->tar = obact;
                ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
                
                /* Lamp, Camera and Speaker track differently by default */
                if (ob->type == OB_LAMP || ob->type == OB_CAMERA || ob->type == OB_SPEAKER) {
                    data->trackflag = TRACK_nZ;
                    data->lockflag = LOCK_Y;
                }
            }
        }
        CTX_DATA_END;
    }
    
    DAG_scene_sort(bmain, scene);
    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
    
    return OPERATOR_FINISHED;
}

void OBJECT_OT_track_set(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Make Track";
    ot->description = "Make the object track another object, either by constraint or old way or locked track";
    ot->idname= "OBJECT_OT_track_set";
    
    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= track_set_exec;
    
    ot->poll= ED_operator_objectmode;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    ot->prop= RNA_def_enum(ot->srna, "type", prop_make_track_types, 0, "Type", "");
}

/************************** Move to Layer Operator *****************************/

static unsigned int move_to_layer_init(bContext *C, wmOperator *op)
{
    int values[20], a;
    unsigned int lay= 0;

    if(!RNA_struct_property_is_set(op->ptr, "layers")) {
        /* note: layers are set in bases, library objects work for this */
        CTX_DATA_BEGIN(C, Base*, base, selected_bases) {
            lay |= base->lay;
        }
        CTX_DATA_END;

        for(a=0; a<20; a++)
            values[a]= (lay & (1<<a));
        
        RNA_boolean_set_array(op->ptr, "layers", values);
    }
    else {
        RNA_boolean_get_array(op->ptr, "layers", values);

        for(a=0; a<20; a++)
            if(values[a])
                lay |= (1 << a);
    }

    return lay;
}

static int move_to_layer_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
    View3D *v3d= CTX_wm_view3d(C);
    if(v3d && v3d->localvd) {
        return WM_operator_confirm_message(C, op, "Move from localview");
    }
    else {
        move_to_layer_init(C, op);
        return WM_operator_props_popup(C, op, event);
    }
}

static int move_to_layer_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);
    View3D *v3d= CTX_wm_view3d(C);
    unsigned int lay, local;
    /* int islamp= 0; */ /* UNUSED */
    
    lay= move_to_layer_init(C, op);
    lay &= 0xFFFFFF;

    if(lay==0) return OPERATOR_CANCELLED;
    
    if(v3d && v3d->localvd) {
        /* now we can move out of localview. */
        /* note: layers are set in bases, library objects work for this */
        CTX_DATA_BEGIN(C, Base*, base, selected_bases) {
            lay= base->lay & ~v3d->lay;
            base->lay= lay;
            base->object->lay= lay;
            base->object->flag &= ~SELECT;
            base->flag &= ~SELECT;
            /* if(base->object->type==OB_LAMP) islamp= 1; */
        }
        CTX_DATA_END;
    }
    else {
        /* normal non localview operation */
        /* note: layers are set in bases, library objects work for this */
        CTX_DATA_BEGIN(C, Base*, base, selected_bases) {
            /* upper byte is used for local view */
            local= base->lay & 0xFF000000;  
            base->lay= lay + local;
            base->object->lay= lay;
            /* if(base->object->type==OB_LAMP) islamp= 1; */
        }
        CTX_DATA_END;
    }
    
    /* warning, active object may be hidden now */
    
    WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, scene);
    WM_event_add_notifier(C, NC_SCENE|ND_LAYER_CONTENT, scene);

    DAG_scene_sort(bmain, scene);

    return OPERATOR_FINISHED;
}

void OBJECT_OT_move_to_layer(wmOperatorType *ot)
{
    /* identifiers */
    ot->name= "Move to Layer";
    ot->description = "Move the object to different layers";
    ot->idname= "OBJECT_OT_move_to_layer";
    
    /* api callbacks */
    ot->invoke= move_to_layer_invoke;
    ot->exec= move_to_layer_exec;
    ot->poll= ED_operator_objectmode;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    RNA_def_boolean_layer_member(ot->srna, "layers", 20, NULL, "Layer", "");
}

/************************** Link to Scene Operator *****************************/

#if 0
static void link_to_scene(Main *UNUSED(bmain), unsigned short UNUSED(nr))
{
    Scene *sce= (Scene*) BLI_findlink(&bmain->scene, G.curscreen->scenenr-1);
    Base *base, *nbase;
    
    if(sce==0) return;
    if(sce->id.lib) return;
    
    for(base= FIRSTBASE; base; base= base->next) {
        if(TESTBASE(v3d, base)) {
            
            nbase= MEM_mallocN( sizeof(Base), "newbase");
            *nbase= *base;
            BLI_addhead( &(sce->base), nbase);
            id_us_plus((ID *)base->object);
        }
    }
}
#endif

static int make_links_scene_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene_to= BLI_findlink(&CTX_data_main(C)->scene, RNA_enum_get(op->ptr, "scene"));

    if(scene_to==NULL) {
        BKE_report(op->reports, RPT_ERROR, "Scene not found");
        return OPERATOR_CANCELLED;
    }

    if(scene_to == CTX_data_scene(C)) {
        BKE_report(op->reports, RPT_ERROR, "Can't link objects into the same scene");
        return OPERATOR_CANCELLED;
    }

    if(scene_to->id.lib) {
        BKE_report(op->reports, RPT_ERROR, "Can't link objects into a linked scene");
        return OPERATOR_CANCELLED;
    }

    CTX_DATA_BEGIN(C, Base*, base, selected_bases)
    {
        if(!object_in_scene(base->object, scene_to)) {
            Base *nbase= MEM_mallocN( sizeof(Base), "newbase");
            *nbase= *base;
            BLI_addhead( &(scene_to->base), nbase);
            id_us_plus((ID *)base->object);
        }
    }
    CTX_DATA_END;

    DAG_ids_flush_update(bmain, 0);

    /* one day multiple scenes will be visible, then we should have some update function for them */
    return OPERATOR_FINISHED;
}

enum {
    MAKE_LINKS_OBDATA = 1,
    MAKE_LINKS_MATERIALS,
    MAKE_LINKS_ANIMDATA,
    MAKE_LINKS_DUPLIGROUP,
    MAKE_LINKS_MODIFIERS
};

/* Return 1 if make link data is allow, zero otherwise */
static int allow_make_links_data(int ev, Object *ob, Object *obt)
{
    switch(ev) {
        case MAKE_LINKS_OBDATA:
            if (ob->type == obt->type && ob->type != OB_EMPTY)
                return 1;
            break;
        case MAKE_LINKS_MATERIALS:
            if (OB_TYPE_SUPPORT_MATERIAL(ob->type) &&
                OB_TYPE_SUPPORT_MATERIAL(obt->type))
            {
                return 1;
            }
            break;
        case MAKE_LINKS_ANIMDATA:
        case MAKE_LINKS_DUPLIGROUP:
            return 1;
        case MAKE_LINKS_MODIFIERS:
            if (ob->type != OB_EMPTY && obt->type != OB_EMPTY)
                return 1;
            break;
    }
    return 0;
}

static int make_links_data_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    int event = RNA_enum_get(op->ptr, "type");
    Object *ob;
    ID *id;
    int a;

    ob= ED_object_active_context(C);

    CTX_DATA_BEGIN(C, Object*, obt, selected_editable_objects) {
        if(ob != obt) {
            if (allow_make_links_data(event, ob, obt)) {
                switch(event) {
                case MAKE_LINKS_OBDATA: /* obdata */
                    id= obt->data;
                    id->us--;

                    id= ob->data;
                    id_us_plus(id);
                    obt->data= id;

                    /* if amount of material indices changed: */
                    test_object_materials(obt->data);

                    obt->recalc |= OB_RECALC_DATA;
                    break;
                case MAKE_LINKS_MATERIALS:
                    /* new approach, using functions from kernel */
                    for(a=0; a<ob->totcol; a++) {
                        Material *ma= give_current_material(ob, a+1);
                        assign_material(obt, ma, a+1);  /* also works with ma==NULL */
                    }
                    break;
                case MAKE_LINKS_ANIMDATA:
                    BKE_copy_animdata_id((ID *)obt, (ID *)ob, FALSE);
                    BKE_copy_animdata_id((ID *)obt->data, (ID *)ob->data, FALSE);
                    break;
                case MAKE_LINKS_DUPLIGROUP:
                    obt->dup_group= ob->dup_group;
                    if(obt->dup_group) {
                        id_lib_extern(&obt->dup_group->id);
                        obt->transflag |= OB_DUPLIGROUP;
                    }
                    break;
                case MAKE_LINKS_MODIFIERS:
                    object_link_modifiers(obt, ob);
                    obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
                    break;
                }
            }
        }
    }
    CTX_DATA_END;

    DAG_scene_sort(bmain, CTX_data_scene(C));
    
    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, CTX_wm_view3d(C));
    return OPERATOR_FINISHED;
}


void OBJECT_OT_make_links_scene(wmOperatorType *ot)
{
    PropertyRNA *prop;

    /* identifiers */
    ot->name= "Link Objects to Scene";
    ot->description = "Link selection to another scene";
    ot->idname= "OBJECT_OT_make_links_scene";

    /* api callbacks */
    ot->invoke= WM_enum_search_invoke;
    ot->exec= make_links_scene_exec;
    /* better not run the poll check */

    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;

    /* properties */
    prop= RNA_def_enum(ot->srna, "scene", DummyRNA_NULL_items, 0, "Scene", "");
    RNA_def_enum_funcs(prop, RNA_scene_local_itemf);
    ot->prop= prop;
}

void OBJECT_OT_make_links_data(wmOperatorType *ot)
{
    static EnumPropertyItem make_links_items[]= {
        {MAKE_LINKS_OBDATA,     "OBDATA", 0, "Object Data", ""},
        {MAKE_LINKS_MATERIALS,  "MATERIAL", 0, "Materials", ""},
        {MAKE_LINKS_ANIMDATA,   "ANIMATION", 0, "Animation Data", ""},
        {MAKE_LINKS_DUPLIGROUP, "DUPLIGROUP", 0, "DupliGroup", ""},
        {MAKE_LINKS_MODIFIERS,  "MODIFIERS", 0, "Modifiers", ""},
        {0, NULL, 0, NULL, NULL}};

    /* identifiers */
    ot->name= "Link Data";
    ot->description = "Make links from the active object to other selected objects";
    ot->idname= "OBJECT_OT_make_links_data";

    /* api callbacks */
    ot->exec= make_links_data_exec;
    ot->poll= ED_operator_object_active;

    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;

    /* properties */
    ot->prop= RNA_def_enum(ot->srna, "type", make_links_items, 0, "Type", "");
}


/**************************** Make Single User ********************************/

static void single_object_users(Scene *scene, View3D *v3d, int flag)    
{
    Base *base;
    Object *ob, *obn;
    
    clear_sca_new_poins();  /* sensor/contr/act */

    /* duplicate (must set newid) */
    for(base= FIRSTBASE; base; base= base->next) {
        ob= base->object;
        
        /* newid may still have some trash from Outliner tree building,
         * so clear that first to avoid errors [#26002]
         */
        ob->id.newid = NULL;
        
        if( (base->flag & flag)==flag ) {
            if(ob->id.lib==NULL && ob->id.us>1) {
                /* base gets copy of object */
                obn= copy_object(ob);
                base->object= obn;
                ob->id.us--;
            }
        }
    }
    
    ID_NEW(scene->camera);
    if(v3d) ID_NEW(v3d->camera);
    
    /* object pointers */
    for(base= FIRSTBASE; base; base= base->next) {
        object_relink(base->object);
    }

    set_sca_new_poins();
}

/* not an especially efficient function, only added so the single user
 * button can be functional.*/
void ED_object_single_user(Scene *scene, Object *ob)
{
    Base *base;

    for(base= FIRSTBASE; base; base= base->next) {
        if(base->object == ob)  base->flag |=  OB_DONE;
        else                    base->flag &= ~OB_DONE;
    }

    single_object_users(scene, NULL, OB_DONE);
}

static void new_id_matar(Material **matar, int totcol)
{
    ID *id;
    int a;
    
    for(a=0; a<totcol; a++) {
        id= (ID *)matar[a];
        if(id && id->lib == NULL) {
            if(id->newid) {
                matar[a]= (Material *)id->newid;
                id_us_plus(id->newid);
                id->us--;
            }
            else if(id->us>1) {
                matar[a]= copy_material(matar[a]);
                id->us--;
                id->newid= (ID *)matar[a];
            }
        }
    }
}

static void single_obdata_users(Main *bmain, Scene *scene, int flag)
{
    Object *ob;
    Lamp *la;
    Curve *cu;
    //Camera *cam;
    Base *base;
    Mesh *me;
    ID *id;
    int a;

    for(base= FIRSTBASE; base; base= base->next) {
        ob= base->object;
        if(ob->id.lib==NULL && (base->flag & flag)==flag ) {
            id= ob->data;
            
            if(id && id->us>1 && id->lib==NULL) {
                ob->recalc= OB_RECALC_DATA;
                
                BKE_copy_animdata_id_action(id);
                
                switch(ob->type) {
                case OB_LAMP:
                    ob->data= la= copy_lamp(ob->data);
                    for(a=0; a<MAX_MTEX; a++) {
                        if(la->mtex[a]) {
                            ID_NEW(la->mtex[a]->object);
                        }
                    }
                    break;
                case OB_CAMERA:
                    ob->data= copy_camera(ob->data);
                    break;
                case OB_MESH:
                    ob->data= copy_mesh(ob->data);
                    //me= ob->data;
                    //if(me && me->key)
                    //  ipo_idnew(me->key->ipo);    /* drivers */
                    break;
                case OB_MBALL:
                    ob->data= copy_mball(ob->data);
                    break;
                case OB_CURVE:
                case OB_SURF:
                case OB_FONT:
                    ob->data= cu= copy_curve(ob->data);
                    ID_NEW(cu->bevobj);
                    ID_NEW(cu->taperobj);
                    break;
                case OB_LATTICE:
                    ob->data= copy_lattice(ob->data);
                    break;
                case OB_ARMATURE:
                    ob->recalc |= OB_RECALC_DATA;
                    ob->data= copy_armature(ob->data);
                    armature_rebuild_pose(ob, ob->data);
                    break;
                case OB_SPEAKER:
                    ob->data= copy_speaker(ob->data);
                    break;
                default:
                    if (G.f & G_DEBUG)
                        printf("ERROR single_obdata_users: can't copy %s\n", id->name);
                    return;
                }
                
                id->us--;
                id->newid= ob->data;
                
            }
            
        }
    }
    
    me= bmain->mesh.first;
    while(me) {
        ID_NEW(me->texcomesh);
        me= me->id.next;
    }
}

static void single_object_action_users(Scene *scene, int flag)
{
    Object *ob;
    Base *base;
    
    for(base= FIRSTBASE; base; base= base->next) {
        ob= base->object;
        if(ob->id.lib==NULL && (flag==0 || (base->flag & SELECT)) ) {
            ob->recalc= OB_RECALC_DATA;
            BKE_copy_animdata_id_action(&ob->id);
        }
    }
}

static void single_mat_users(Scene *scene, int flag, int do_textures)
{
    Object *ob;
    Base *base;
    Material *ma, *man;
    Tex *tex;
    int a, b;
    
    for(base= FIRSTBASE; base; base= base->next) {
        ob= base->object;
        if(ob->id.lib==NULL && (flag==0 || (base->flag & SELECT)) ) {
    
            for(a=1; a<=ob->totcol; a++) {
                ma= give_current_material(ob, a);
                if(ma) {
                    /* do not test for LIB_NEW: this functions guaranteed delivers single_users! */
                    
                    if(ma->id.us>1) {
                        man= copy_material(ma);
                        BKE_copy_animdata_id_action(&man->id);
                        
                        man->id.us= 0;
                        assign_material(ob, man, a);

                        if(do_textures) {
                            for(b=0; b<MAX_MTEX; b++) {
                                if(ma->mtex[b] && (tex= ma->mtex[b]->tex)) {
                                    if(tex->id.us>1) {
                                        tex->id.us--;
                                        tex= copy_texture(tex);
                                        BKE_copy_animdata_id_action(&tex->id);
                                        ma->mtex[b]->tex= tex;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

static void do_single_tex_user(Tex **from)
{
    Tex *tex, *texn;
    
    tex= *from;
    if(tex==NULL) return;
    
    if(tex->id.newid) {
        *from= (Tex *)tex->id.newid;
        id_us_plus(tex->id.newid);
        tex->id.us--;
    }
    else if(tex->id.us>1) {
        texn= copy_texture(tex);
        BKE_copy_animdata_id_action(&texn->id);
        tex->id.newid= (ID *)texn;
        tex->id.us--;
        *from= texn;
    }
}

static void single_tex_users_expand(Main *bmain)
{
    /* only when 'parent' blocks are LIB_NEW */
    Material *ma;
    Lamp *la;
    World *wo;
    int b;
        
    for(ma= bmain->mat.first; ma; ma=ma->id.next) {
        if(ma->id.flag & LIB_NEW) {
            for(b=0; b<MAX_MTEX; b++) {
                if(ma->mtex[b] && ma->mtex[b]->tex) {
                    do_single_tex_user( &(ma->mtex[b]->tex) );
                }
            }
        }
    }

    for(la= bmain->lamp.first; la; la=la->id.next) {
        if(la->id.flag & LIB_NEW) {
            for(b=0; b<MAX_MTEX; b++) {
                if(la->mtex[b] && la->mtex[b]->tex) {
                    do_single_tex_user( &(la->mtex[b]->tex) );
                }
            }
        }
    }

    for(wo= bmain->world.first; wo; wo=wo->id.next) {
        if(wo->id.flag & LIB_NEW) {
            for(b=0; b<MAX_MTEX; b++) {
                if(wo->mtex[b] && wo->mtex[b]->tex) {
                    do_single_tex_user( &(wo->mtex[b]->tex) );
                }
            }
        }
    }
}

static void single_mat_users_expand(Main *bmain)
{
    /* only when 'parent' blocks are LIB_NEW */
    Object *ob;
    Mesh *me;
    Curve *cu;
    MetaBall *mb;
    Material *ma;
    int a;
    
    for(ob=bmain->object.first; ob; ob=ob->id.next)
        if(ob->id.flag & LIB_NEW)
            new_id_matar(ob->mat, ob->totcol);

    for(me=bmain->mesh.first; me; me=me->id.next)
        if(me->id.flag & LIB_NEW)
            new_id_matar(me->mat, me->totcol);

    for(cu=bmain->curve.first; cu; cu=cu->id.next)
        if(cu->id.flag & LIB_NEW)
            new_id_matar(cu->mat, cu->totcol);

    for(mb=bmain->mball.first; mb; mb=mb->id.next)
        if(mb->id.flag & LIB_NEW)
            new_id_matar(mb->mat, mb->totcol);

    /* material imats  */
    for(ma=bmain->mat.first; ma; ma=ma->id.next)
        if(ma->id.flag & LIB_NEW)
            for(a=0; a<MAX_MTEX; a++)
                if(ma->mtex[a])
                    ID_NEW(ma->mtex[a]->object);
}

/* used for copying scenes */
void ED_object_single_users(Main *bmain, Scene *scene, int full)
{
    single_object_users(scene, NULL, 0);

    if(full) {
        single_obdata_users(bmain, scene, 0);
        single_object_action_users(scene, 0);
        single_mat_users_expand(bmain);
        single_tex_users_expand(bmain);
    }

    clear_id_newpoins();
}

/******************************* Make Local ***********************************/

/* helper for below, ma was checked to be not NULL */
static void make_local_makelocalmaterial(Material *ma)
{
    AnimData *adt;
    int b;
    
    id_make_local(&ma->id, 0);
    
    for(b=0; b<MAX_MTEX; b++)
        if(ma->mtex[b] && ma->mtex[b]->tex)
            id_make_local(&ma->mtex[b]->tex->id, 0);
    
    adt= BKE_animdata_from_id(&ma->id);
    if(adt) BKE_animdata_make_local(adt);

    /* nodetree? XXX */
}

static int make_local_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    AnimData *adt;
    ParticleSystem *psys;
    Material *ma, ***matarar;
    Lamp *la;
    ID *id;
    int a, b, mode= RNA_enum_get(op->ptr, "type");
    
    if(mode==3) {
        BKE_library_make_local(bmain, NULL, 0); /* NULL is all libs */
        WM_event_add_notifier(C, NC_WINDOW, NULL);
        return OPERATOR_FINISHED;
    }

    clear_id_newpoins();
    
    CTX_DATA_BEGIN(C, Object*, ob, selected_objects) {
        if(ob->id.lib)
            id_make_local(&ob->id, 0);
    }
    CTX_DATA_END;
    
    /* maybe object pointers */
    CTX_DATA_BEGIN(C, Object*, ob, selected_objects) {
        if(ob->id.lib==NULL) {
            ID_NEW(ob->parent);
        }
    }
    CTX_DATA_END;

    CTX_DATA_BEGIN(C, Object*, ob, selected_objects) {
        id= ob->data;
            
        if(id && mode>1) {
            id_make_local(id, 0);
            adt= BKE_animdata_from_id(id);
            if(adt) BKE_animdata_make_local(adt);
            
            /* tag indirect data direct */
            matarar= (Material ***)give_matarar(ob);
            if(matarar) {
                for(a=0; a<ob->totcol; a++) {
                    ma= (*matarar)[a];
                    if(ma)
                        id_lib_extern(&ma->id);
                }
            }
        }

        for(psys=ob->particlesystem.first; psys; psys=psys->next)
            id_make_local(&psys->part->id, 0);

        adt= BKE_animdata_from_id(&ob->id);
        if(adt) BKE_animdata_make_local(adt);
    }
    CTX_DATA_END;

    if(mode>1) {
        CTX_DATA_BEGIN(C, Object*, ob, selected_objects) {
            if(ob->type==OB_LAMP) {
                la= ob->data;

                for(b=0; b<MAX_MTEX; b++)
                    if(la->mtex[b] && la->mtex[b]->tex)
                        id_make_local(&la->mtex[b]->tex->id, 0);
            }
            else {
                for(a=0; a<ob->totcol; a++) {
                    ma= ob->mat[a];
                    if(ma)
                        make_local_makelocalmaterial(ma);
                }
                
                matarar= (Material ***)give_matarar(ob);
                if(matarar) {
                    for(a=0; a<ob->totcol; a++) {
                        ma= (*matarar)[a];
                        if(ma)
                            make_local_makelocalmaterial(ma);
                    }
                }
            }
        }
        CTX_DATA_END;
    }

    WM_event_add_notifier(C, NC_WINDOW, NULL);

    return OPERATOR_FINISHED;
}

void OBJECT_OT_make_local(wmOperatorType *ot)
{
    static EnumPropertyItem type_items[]= {
        {1, "SELECTED_OBJECTS", 0, "Selected Objects", ""},
        {2, "SELECTED_OBJECTS_DATA", 0, "Selected Objects and Data", ""},
        {3, "ALL", 0, "All", ""},
        {0, NULL, 0, NULL, NULL}};

    /* identifiers */
    ot->name= "Make Local";
    ot->description = "Make library linked datablocks local to this file";
    ot->idname= "OBJECT_OT_make_local";
    
    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= make_local_exec;
    ot->poll= ED_operator_objectmode;
    
    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
    
    /* properties */
    ot->prop= RNA_def_enum(ot->srna, "type", type_items, 0, "Type", "");
}

static int make_single_user_exec(bContext *C, wmOperator *op)
{
    Main *bmain= CTX_data_main(C);
    Scene *scene= CTX_data_scene(C);
    View3D *v3d= CTX_wm_view3d(C); /* ok if this is NULL */
    int flag= RNA_enum_get(op->ptr, "type"); /* 0==ALL, SELECTED==selected objecs */

    if(RNA_boolean_get(op->ptr, "object"))
        single_object_users(scene, v3d, flag);

    if(RNA_boolean_get(op->ptr, "obdata"))
        single_obdata_users(bmain, scene, flag);

    if(RNA_boolean_get(op->ptr, "material"))
        single_mat_users(scene, flag, RNA_boolean_get(op->ptr, "texture"));

#if 0 /* can't do this separate from materials */
    if(RNA_boolean_get(op->ptr, "texture"))
        single_mat_users(scene, flag, TRUE);
#endif
    if(RNA_boolean_get(op->ptr, "animation"))
        single_object_action_users(scene, flag);

    clear_id_newpoins();

    WM_event_add_notifier(C, NC_WINDOW, NULL);
    return OPERATOR_FINISHED;
}

void OBJECT_OT_make_single_user(wmOperatorType *ot)
{
    static EnumPropertyItem type_items[]= {
        {SELECT, "SELECTED_OBJECTS", 0, "Selected Objects", ""},
        {0, "ALL", 0, "All", ""},
        {0, NULL, 0, NULL, NULL}};

    /* identifiers */
    ot->name= "Make Single User";
    ot->description = "Make linked data local to each object";
    ot->idname= "OBJECT_OT_make_single_user";

    /* api callbacks */
    ot->invoke= WM_menu_invoke;
    ot->exec= make_single_user_exec;
    ot->poll= ED_operator_objectmode;

    /* flags */
    ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;

    /* properties */
    ot->prop= RNA_def_enum(ot->srna, "type", type_items, SELECT, "Type", "");

    RNA_def_boolean(ot->srna, "object", 0, "Object", "Make single user objects");
    RNA_def_boolean(ot->srna, "obdata", 0, "Object Data", "Make single user object data");
    RNA_def_boolean(ot->srna, "material", 0, "Materials", "Make materials local to each datablock");
    RNA_def_boolean(ot->srna, "texture", 0, "Textures", "Make textures local to each material");
    RNA_def_boolean(ot->srna, "animation", 0, "Object Animation", "Make animation data local to each object");
}

static int drop_named_material_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
    Main *bmain= CTX_data_main(C);
    Base *base= ED_view3d_give_base_under_cursor(C, event->mval);
    Material *ma;
    char name[MAX_ID_NAME-2];
    
    RNA_string_get(op->ptr, "name", name);
    ma= (Material *)find_id("MA", name);
    if(base==NULL || ma==NULL) 
        return OPERATOR_CANCELLED;
    
    assign_material(base->object, ma, 1);
    
    DAG_ids_flush_update(bmain, 0);
    WM_event_add_notifier(C, NC_SPACE|ND_SPACE_VIEW3D, CTX_wm_view3d(C));
    
    return OPERATOR_FINISHED;
}

/* used for dropbox */
/* assigns to object under cursor, only first material slot */
void OBJECT_OT_drop_named_material(wmOperatorType *ot)
{

    /* identifiers */
    ot->name= "Drop Named Material on Object";
    ot->description = "";
    ot->idname= "OBJECT_OT_drop_named_material";
    
    /* api callbacks */
    ot->invoke= drop_named_material_invoke;
    ot->poll= ED_operator_objectmode;
    
    /* flags */
    ot->flag= OPTYPE_UNDO;
    
    /* properties */
    RNA_def_string(ot->srna, "name", "Material", MAX_ID_NAME-2, "Name", "Material name to assign");
}