outliner_tree.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) 2004 Blender Foundation.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): Joshua Leung
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <stddef.h>

#include "MEM_guardedalloc.h"

#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_constraint_types.h"
#include "DNA_camera_types.h"
#include "DNA_group_types.h"
#include "DNA_key_types.h"
#include "DNA_lamp_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meta_types.h"
#include "DNA_particle_types.h"
#include "DNA_scene_types.h"
#include "DNA_world_types.h"
#include "DNA_sequence_types.h"
#include "DNA_speaker_types.h"
#include "DNA_object_types.h"

#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLI_math_base.h"

#if defined WIN32 && !defined _LIBC  || defined __sun
# include "BLI_fnmatch.h" /* use fnmatch included in blenlib */
#else
#  ifndef _GNU_SOURCE
#    define _GNU_SOURCE
#  endif
# include <fnmatch.h>
#endif


#include "BKE_animsys.h"
#include "BKE_context.h"
#include "BKE_deform.h"
#include "BKE_depsgraph.h"
#include "BKE_fcurve.h"
#include "BKE_global.h"
#include "BKE_group.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_sequencer.h"

#include "ED_armature.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "ED_util.h"

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

#include "BIF_gl.h"
#include "BIF_glutil.h"

#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "UI_resources.h"
#include "UI_view2d.h"

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

#include "outliner_intern.h"

/* ********************************************************* */
/* Defines */

#define TS_CHUNK    128

/* ********************************************************* */
/* Persistent Data */

static void outliner_storage_cleanup(SpaceOops *soops)
{
    TreeStore *ts= soops->treestore;
    
    if(ts) {
        TreeStoreElem *tselem;
        int a, unused= 0;
        
        /* each element used once, for ID blocks with more users to have each a treestore */
        for(a=0, tselem= ts->data; a<ts->usedelem; a++, tselem++) tselem->used= 0;
        
        /* cleanup only after reading file or undo step, and always for
         * RNA datablocks view in order to save memory */
        if(soops->storeflag & SO_TREESTORE_CLEANUP) {
            
            for(a=0, tselem= ts->data; a<ts->usedelem; a++, tselem++) {
                if(tselem->id==NULL) unused++;
            }
            
            if(unused) {
                if(ts->usedelem == unused) {
                    MEM_freeN(ts->data);
                    ts->data= NULL;
                    ts->usedelem= ts->totelem= 0;
                }
                else {
                    TreeStoreElem *tsnewar, *tsnew;
                    
                    tsnew=tsnewar= MEM_mallocN((ts->usedelem-unused)*sizeof(TreeStoreElem), "new tselem");
                    for(a=0, tselem= ts->data; a<ts->usedelem; a++, tselem++) {
                        if(tselem->id) {
                            *tsnew= *tselem;
                            tsnew++;
                        }
                    }
                    MEM_freeN(ts->data);
                    ts->data= tsnewar;
                    ts->usedelem-= unused;
                    ts->totelem= ts->usedelem;
                }
            }
        }
    }
}

static void check_persistent(SpaceOops *soops, TreeElement *te, ID *id, short type, short nr)
{
    TreeStore *ts;
    TreeStoreElem *tselem;
    int a;
    
    /* case 1; no TreeStore */
    if(soops->treestore==NULL) {
        soops->treestore= MEM_callocN(sizeof(TreeStore), "treestore");
    }
    ts= soops->treestore;
    
    /* check if 'te' is in treestore */
    tselem= ts->data;
    for(a=0; a<ts->usedelem; a++, tselem++) {
        if(tselem->id==id && tselem->used==0) {
            if((type==0 && tselem->type==0) ||(tselem->type==type && tselem->nr==nr)) {
                te->store_index= a;
                tselem->used= 1;
                return;
            }
        }
    }
    
    /* add 1 element to treestore */
    if(ts->usedelem==ts->totelem) {
        TreeStoreElem *tsnew;
        
        tsnew= MEM_mallocN((ts->totelem+TS_CHUNK)*sizeof(TreeStoreElem), "treestore data");
        if(ts->data) {
            memcpy(tsnew, ts->data, ts->totelem*sizeof(TreeStoreElem));
            MEM_freeN(ts->data);
        }
        ts->data= tsnew;
        ts->totelem+= TS_CHUNK;
    }
    
    tselem= ts->data+ts->usedelem;
    
    tselem->type= type;
    if(type) tselem->nr= nr; // we're picky! :)
    else tselem->nr= 0;
    tselem->id= id;
    tselem->used = 0;
    tselem->flag= TSE_CLOSED;
    te->store_index= ts->usedelem;
    
    ts->usedelem++;
}

/* ********************************************************* */
/* Tree Management */

void outliner_free_tree(ListBase *lb)
{
    while(lb->first) {
        TreeElement *te= lb->first;
        
        outliner_free_tree(&te->subtree);
        BLI_remlink(lb, te);
        
        if(te->flag & TE_FREE_NAME) MEM_freeN((void *)te->name);
        MEM_freeN(te);
    }
}

void outliner_cleanup_tree(SpaceOops *soops)
{
    outliner_free_tree(&soops->tree);
    outliner_storage_cleanup(soops);
}

/* Find ith item from the treestore */
static TreeElement *outliner_find_tree_element(ListBase *lb, int store_index)
{
    TreeElement *te= lb->first, *tes;
    while(te) {
        if(te->store_index==store_index) return te;
        tes= outliner_find_tree_element(&te->subtree, store_index);
        if(tes) return tes;
        te= te->next;
    }
    return NULL;
}

/* tse is not in the treestore, we use its contents to find a match */
TreeElement *outliner_find_tse(SpaceOops *soops, TreeStoreElem *tse)
{
    TreeStore *ts= soops->treestore;
    TreeStoreElem *tselem;
    int a;
    
    if(tse->id==NULL) return NULL;
    
    /* check if 'tse' is in treestore */
    tselem= ts->data;
    for(a=0; a<ts->usedelem; a++, tselem++) {
        if((tse->type==0 && tselem->type==0) || (tselem->type==tse->type && tselem->nr==tse->nr)) {
            if(tselem->id==tse->id) {
                break;
            }
        }
    }
    if(tselem) 
        return outliner_find_tree_element(&soops->tree, a);
    
    return NULL;
}

/* Find treestore that refers to given ID */
TreeElement *outliner_find_id(SpaceOops *soops, ListBase *lb, ID *id)
{
    TreeElement *te, *tes;
    TreeStoreElem *tselem;
    
    for(te= lb->first; te; te= te->next) {
        tselem= TREESTORE(te);
        if(tselem->type==0) {
            if(tselem->id==id) return te;
            /* only deeper on scene or object */
            if( te->idcode==ID_OB || te->idcode==ID_SCE || (soops->outlinevis == SO_GROUPS && te->idcode==ID_GR)) {
                tes= outliner_find_id(soops, &te->subtree, id);
                if(tes) return tes;
            }
        }
    }
    return NULL;
}


ID *outliner_search_back(SpaceOops *soops, TreeElement *te, short idcode)
{
    TreeStoreElem *tselem;
    te= te->parent;
    
    while(te) {
        tselem= TREESTORE(te);
        if(tselem->type==0 && te->idcode==idcode) return tselem->id;
        te= te->parent;
    }
    return NULL;
}


/* ********************************************************* */

/* Prototype, see functions below */
static TreeElement *outliner_add_element(SpaceOops *soops, ListBase *lb, void *idv, 
                                         TreeElement *parent, short type, short index);

/* -------------------------------------------------------- */

/* special handling of hierarchical non-lib data */
static void outliner_add_bone(SpaceOops *soops, ListBase *lb, ID *id, Bone *curBone, 
                              TreeElement *parent, int *a)
{
    TreeElement *te= outliner_add_element(soops, lb, id, parent, TSE_BONE, *a);
    
    (*a)++;
    te->name= curBone->name;
    te->directdata= curBone;
    
    for(curBone= curBone->childbase.first; curBone; curBone=curBone->next) {
        outliner_add_bone(soops, &te->subtree, id, curBone, te, a);
    }
}

/* -------------------------------------------------------- */

#define LOG2I(x) (int)(log(x)/M_LN2)

static void outliner_add_passes(SpaceOops *soops, TreeElement *tenla, ID *id, SceneRenderLayer *srl)
{
    TreeStoreElem *tselem = NULL;
    TreeElement *te = NULL;

    /* log stuff is to convert bitflags (powers of 2) to small integers,
     * in order to not overflow short tselem->nr */
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_COMBINED));
    te->name= "Combined";
    te->directdata= &srl->passflag;
    
    /* save cpu cycles, but we add the first to invoke an open/close triangle */
    tselem = TREESTORE(tenla);
    if(tselem->flag & TSE_CLOSED)
        return;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_Z));
    te->name= "Z";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_VECTOR));
    te->name= "Vector";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_NORMAL));
    te->name= "Normal";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_UV));
    te->name= "UV";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_MIST));
    te->name= "Mist";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_INDEXOB));
    te->name= "Index Object";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_INDEXMA));
    te->name= "Index Material";
    te->directdata= &srl->passflag;

    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_RGBA));
    te->name= "Color";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_DIFFUSE));
    te->name= "Diffuse";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_SPEC));
    te->name= "Specular";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_SHADOW));
    te->name= "Shadow";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_AO));
    te->name= "AO";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_REFLECT));
    te->name= "Reflection";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_REFRACT));
    te->name= "Refraction";
    te->directdata= &srl->passflag;
    
    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_INDIRECT));
    te->name= "Indirect";
    te->directdata= &srl->passflag;

    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_ENVIRONMENT));
    te->name= "Environment";
    te->directdata= &srl->passflag;

    te= outliner_add_element(soops, &tenla->subtree, id, tenla, TSE_R_PASS, LOG2I(SCE_PASS_EMIT));
    te->name= "Emit";
    te->directdata= &srl->passflag;
}

#undef LOG2I

static void outliner_add_scene_contents(SpaceOops *soops, ListBase *lb, Scene *sce, TreeElement *te)
{
    SceneRenderLayer *srl;
    TreeElement *tenla= outliner_add_element(soops, lb, sce, te, TSE_R_LAYER_BASE, 0);
    int a;
    
    tenla->name= "RenderLayers";
    for(a=0, srl= sce->r.layers.first; srl; srl= srl->next, a++) {
        TreeElement *tenlay= outliner_add_element(soops, &tenla->subtree, sce, te, TSE_R_LAYER, a);
        tenlay->name= srl->name;
        tenlay->directdata= &srl->passflag;
        
        if(srl->light_override)
            outliner_add_element(soops, &tenlay->subtree, srl->light_override, tenlay, TSE_LINKED_LAMP, 0);
        if(srl->mat_override)
            outliner_add_element(soops, &tenlay->subtree, srl->mat_override, tenlay, TSE_LINKED_MAT, 0);
        
        outliner_add_passes(soops, tenlay, &sce->id, srl);
    }
    
    // TODO: move this to the front?
    if (sce->adt)
        outliner_add_element(soops, lb, sce, te, TSE_ANIM_DATA, 0);
    
    outliner_add_element(soops,  lb, sce->world, te, 0, 0);
}

// can be inlined if necessary
static void outliner_add_object_contents(SpaceOops *soops, TreeElement *te, TreeStoreElem *tselem, Object *ob)
{
    int a = 0;
    
    if (ob->adt)
        outliner_add_element(soops, &te->subtree, ob, te, TSE_ANIM_DATA, 0);
    
    outliner_add_element(soops, &te->subtree, ob->poselib, te, 0, 0); // XXX FIXME.. add a special type for this
    
    if (ob->proxy && ob->id.lib==NULL)
        outliner_add_element(soops, &te->subtree, ob->proxy, te, TSE_PROXY, 0);
    
    outliner_add_element(soops, &te->subtree, ob->data, te, 0, 0);
    
    if (ob->pose) {
        bArmature *arm= ob->data;
        bPoseChannel *pchan;
        TreeElement *ten;
        TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_POSE_BASE, 0);
        
        tenla->name= "Pose";
        
        /* channels undefined in editmode, but we want the 'tenla' pose icon itself */
        if ((arm->edbo == NULL) && (ob->mode & OB_MODE_POSE)) {
            int a= 0, const_index= 1000;    /* ensure unique id for bone constraints */
            
            for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next, a++) {
                ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_POSE_CHANNEL, a);
                ten->name= pchan->name;
                ten->directdata= pchan;
                pchan->temp= (void *)ten;
                
                if(pchan->constraints.first) {
                    //Object *target;
                    bConstraint *con;
                    TreeElement *ten1;
                    TreeElement *tenla1= outliner_add_element(soops, &ten->subtree, ob, ten, TSE_CONSTRAINT_BASE, 0);
                    //char *str;
                    
                    tenla1->name= "Constraints";
                    for(con= pchan->constraints.first; con; con= con->next, const_index++) {
                        ten1= outliner_add_element(soops, &tenla1->subtree, ob, tenla1, TSE_CONSTRAINT, const_index);
#if 0 /* disabled as it needs to be reworked for recoded constraints system */
                        target= get_constraint_target(con, &str);
                        if(str && str[0]) ten1->name= str;
                        else if(target) ten1->name= target->id.name+2;
                        else ten1->name= con->name;
#endif
                        ten1->name= con->name;
                        ten1->directdata= con;
                        /* possible add all other types links? */
                    }
                }
            }
            /* make hierarchy */
            ten= tenla->subtree.first;
            while(ten) {
                TreeElement *nten= ten->next, *par;
                tselem= TREESTORE(ten);
                if(tselem->type==TSE_POSE_CHANNEL) {
                    pchan= (bPoseChannel *)ten->directdata;
                    if(pchan->parent) {
                        BLI_remlink(&tenla->subtree, ten);
                        par= (TreeElement *)pchan->parent->temp;
                        BLI_addtail(&par->subtree, ten);
                        ten->parent= par;
                    }
                }
                ten= nten;
            }
        }
        
        /* Pose Groups */
        if(ob->pose->agroups.first) {
            bActionGroup *agrp;
            TreeElement *ten;
            TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_POSEGRP_BASE, 0);
            int a= 0;
            
            tenla->name= "Bone Groups";
            for (agrp=ob->pose->agroups.first; agrp; agrp=agrp->next, a++) {
                ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_POSEGRP, a);
                ten->name= agrp->name;
                ten->directdata= agrp;
            }
        }
    }
    
    for(a=0; a<ob->totcol; a++) 
        outliner_add_element(soops, &te->subtree, ob->mat[a], te, 0, a);
    
    if(ob->constraints.first) {
        //Object *target;
        bConstraint *con;
        TreeElement *ten;
        TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_CONSTRAINT_BASE, 0);
        //char *str;
        
        tenla->name= "Constraints";
        for (con=ob->constraints.first, a=0; con; con= con->next, a++) {
            ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_CONSTRAINT, a);
#if 0 /* disabled due to constraints system targets recode... code here needs review */
            target= get_constraint_target(con, &str);
            if(str && str[0]) ten->name= str;
            else if(target) ten->name= target->id.name+2;
            else ten->name= con->name;
#endif
            ten->name= con->name;
            ten->directdata= con;
            /* possible add all other types links? */
        }
    }
    
    if (ob->modifiers.first) {
        ModifierData *md;
        TreeElement *temod = outliner_add_element(soops, &te->subtree, ob, te, TSE_MODIFIER_BASE, 0);
        int index;
        
        temod->name = "Modifiers";
        for (index=0,md=ob->modifiers.first; md; index++,md=md->next) {
            TreeElement *te = outliner_add_element(soops, &temod->subtree, ob, temod, TSE_MODIFIER, index);
            te->name= md->name;
            te->directdata = md;
            
            if (md->type==eModifierType_Lattice) {
                outliner_add_element(soops, &te->subtree, ((LatticeModifierData*) md)->object, te, TSE_LINKED_OB, 0);
            } 
            else if (md->type==eModifierType_Curve) {
                outliner_add_element(soops, &te->subtree, ((CurveModifierData*) md)->object, te, TSE_LINKED_OB, 0);
            } 
            else if (md->type==eModifierType_Armature) {
                outliner_add_element(soops, &te->subtree, ((ArmatureModifierData*) md)->object, te, TSE_LINKED_OB, 0);
            } 
            else if (md->type==eModifierType_Hook) {
                outliner_add_element(soops, &te->subtree, ((HookModifierData*) md)->object, te, TSE_LINKED_OB, 0);
            } 
            else if (md->type==eModifierType_ParticleSystem) {
                TreeElement *ten;
                ParticleSystem *psys= ((ParticleSystemModifierData*) md)->psys;
                
                ten = outliner_add_element(soops, &te->subtree, ob, te, TSE_LINKED_PSYS, 0);
                ten->directdata = psys;
                ten->name = psys->part->id.name+2;
            }
        }
    }
    
    /* vertex groups */
    if (ob->defbase.first) {
        bDeformGroup *defgroup;
        TreeElement *ten;
        TreeElement *tenla= outliner_add_element(soops, &te->subtree, ob, te, TSE_DEFGROUP_BASE, 0);
        
        tenla->name= "Vertex Groups";
        for (defgroup=ob->defbase.first, a=0; defgroup; defgroup=defgroup->next, a++) {
            ten= outliner_add_element(soops, &tenla->subtree, ob, tenla, TSE_DEFGROUP, a);
            ten->name= defgroup->name;
            ten->directdata= defgroup;
        }
    }
    
    /* duplicated group */
    if (ob->dup_group)
        outliner_add_element(soops, &te->subtree, ob->dup_group, te, 0, 0); 
}

// can be inlined if necessary
static void outliner_add_id_contents(SpaceOops *soops, TreeElement *te, TreeStoreElem *tselem, ID *id)
{
    /* tuck pointer back in object, to construct hierarchy */
    if (GS(id->name)==ID_OB) id->newid= (ID *)te;
    
    /* expand specific data always */
    switch (GS(id->name)) {
        case ID_LI:
        {
            te->name= ((Library *)id)->name;
        }
            break;
        case ID_SCE:
        {
            outliner_add_scene_contents(soops, &te->subtree, (Scene *)id, te);
        }
            break;
        case ID_OB:
        {
            outliner_add_object_contents(soops, te, tselem, (Object *)id);
        }
            break;
        case ID_ME:
        {
            Mesh *me= (Mesh *)id;
            int a;
            
            if (me->adt)
                outliner_add_element(soops, &te->subtree, me, te, TSE_ANIM_DATA, 0);
            
            outliner_add_element(soops, &te->subtree, me->key, te, 0, 0);
            for(a=0; a<me->totcol; a++) 
                outliner_add_element(soops, &te->subtree, me->mat[a], te, 0, a);
            /* could do tfaces with image links, but the images are not grouped nicely.
               would require going over all tfaces, sort images in use. etc... */
        }
            break;
        case ID_CU:
        {
            Curve *cu= (Curve *)id;
            int a;
            
            if (cu->adt)
                outliner_add_element(soops, &te->subtree, cu, te, TSE_ANIM_DATA, 0);
            
            for(a=0; a<cu->totcol; a++) 
                outliner_add_element(soops, &te->subtree, cu->mat[a], te, 0, a);
        }
            break;
        case ID_MB:
        {
            MetaBall *mb= (MetaBall *)id;
            int a;
            
            if (mb->adt)
                outliner_add_element(soops, &te->subtree, mb, te, TSE_ANIM_DATA, 0);
            
            for(a=0; a<mb->totcol; a++) 
                outliner_add_element(soops, &te->subtree, mb->mat[a], te, 0, a);
        }
            break;
        case ID_MA:
        {
            Material *ma= (Material *)id;
            int a;
            
            if (ma->adt)
                outliner_add_element(soops, &te->subtree, ma, te, TSE_ANIM_DATA, 0);
            
            for(a=0; a<MAX_MTEX; a++) {
                if(ma->mtex[a]) outliner_add_element(soops, &te->subtree, ma->mtex[a]->tex, te, 0, a);
            }
        }
            break;
        case ID_TE:
        {
            Tex *tex= (Tex *)id;
            
            if (tex->adt)
                outliner_add_element(soops, &te->subtree, tex, te, TSE_ANIM_DATA, 0);
            
            outliner_add_element(soops, &te->subtree, tex->ima, te, 0, 0);
        }
            break;
        case ID_CA:
        {
            Camera *ca= (Camera *)id;
            
            if (ca->adt)
                outliner_add_element(soops, &te->subtree, ca, te, TSE_ANIM_DATA, 0);
        }
            break;
        case ID_LA:
        {
            Lamp *la= (Lamp *)id;
            int a;
            
            if (la->adt)
                outliner_add_element(soops, &te->subtree, la, te, TSE_ANIM_DATA, 0);
            
            for(a=0; a<MAX_MTEX; a++) {
                if(la->mtex[a]) outliner_add_element(soops, &te->subtree, la->mtex[a]->tex, te, 0, a);
            }
        }
            break;
        case ID_SPK:
            {
                Speaker *spk= (Speaker *)id;

                if(spk->adt)
                    outliner_add_element(soops, &te->subtree, spk, te, TSE_ANIM_DATA, 0);
            }
            break;
        case ID_WO:
        {
            World *wrld= (World *)id;
            int a;
            
            if (wrld->adt)
                outliner_add_element(soops, &te->subtree, wrld, te, TSE_ANIM_DATA, 0);
            
            for(a=0; a<MAX_MTEX; a++) {
                if(wrld->mtex[a]) outliner_add_element(soops, &te->subtree, wrld->mtex[a]->tex, te, 0, a);
            }
        }
            break;
        case ID_KE:
        {
            Key *key= (Key *)id;
            
            if (key->adt)
                outliner_add_element(soops, &te->subtree, key, te, TSE_ANIM_DATA, 0);
        }
            break;
        case ID_AC:
        {
            // XXX do we want to be exposing the F-Curves here?
            //bAction *act= (bAction *)id;
        }
            break;
        case ID_AR:
        {
            bArmature *arm= (bArmature *)id;
            int a= 0;
            
            if (arm->adt)
                outliner_add_element(soops, &te->subtree, arm, te, TSE_ANIM_DATA, 0);
            
            if(arm->edbo) {
                EditBone *ebone;
                TreeElement *ten;
                
                for (ebone = arm->edbo->first; ebone; ebone=ebone->next, a++) {
                    ten= outliner_add_element(soops, &te->subtree, id, te, TSE_EBONE, a);
                    ten->directdata= ebone;
                    ten->name= ebone->name;
                    ebone->temp= ten;
                }
                /* make hierarchy */
                ten= arm->edbo->first ? ((EditBone *)arm->edbo->first)->temp : NULL;
                while(ten) {
                    TreeElement *nten= ten->next, *par;
                    ebone= (EditBone *)ten->directdata;
                    if(ebone->parent) {
                        BLI_remlink(&te->subtree, ten);
                        par= ebone->parent->temp;
                        BLI_addtail(&par->subtree, ten);
                        ten->parent= par;
                    }
                    ten= nten;
                }
            }
            else {
                /* do not extend Armature when we have posemode */
                tselem= TREESTORE(te->parent);
                if( GS(tselem->id->name)==ID_OB && ((Object *)tselem->id)->mode & OB_MODE_POSE);
                else {
                    Bone *curBone;
                    for (curBone=arm->bonebase.first; curBone; curBone=curBone->next){
                        outliner_add_bone(soops, &te->subtree, id, curBone, te, &a);
                    }
                }
            }
        }
            break;
    }
}

// TODO: this function needs to be split up! It's getting a bit too large...
static TreeElement *outliner_add_element(SpaceOops *soops, ListBase *lb, void *idv, 
                                         TreeElement *parent, short type, short index)
{
    TreeElement *te;
    TreeStoreElem *tselem;
    ID *id= idv;
    int a = 0;
    
    if(ELEM3(type, TSE_RNA_STRUCT, TSE_RNA_PROPERTY, TSE_RNA_ARRAY_ELEM)) {
        id= ((PointerRNA*)idv)->id.data;
        if(!id) id= ((PointerRNA*)idv)->data;
    }

    if(id==NULL) return NULL;

    te= MEM_callocN(sizeof(TreeElement), "tree elem");
    /* add to the visual tree */
    BLI_addtail(lb, te);
    /* add to the storage */
    check_persistent(soops, te, id, type, index);
    tselem= TREESTORE(te);  
    
    /* if we are searching for something expand to see child elements */
    if(SEARCHING_OUTLINER(soops))
        tselem->flag |= TSE_CHILDSEARCH;
    
    te->parent= parent;
    te->index= index;   // for data arays
    if(ELEM3(type, TSE_SEQUENCE, TSE_SEQ_STRIP, TSE_SEQUENCE_DUP));
    else if(ELEM3(type, TSE_RNA_STRUCT, TSE_RNA_PROPERTY, TSE_RNA_ARRAY_ELEM));
    else if(type==TSE_ANIM_DATA);
    else {
        te->name= id->name+2; // default, can be overridden by Library or non-ID data
        te->idcode= GS(id->name);
    }
    
    if(type==0) {
        /* ID datablock */
        outliner_add_id_contents(soops, te, tselem, id);
    }
    else if(type==TSE_ANIM_DATA) {
        IdAdtTemplate *iat = (IdAdtTemplate *)idv;
        AnimData *adt= (AnimData *)iat->adt;
        
        /* this element's info */
        te->name= "Animation";
        te->directdata= adt;
        
        /* Action */
        outliner_add_element(soops, &te->subtree, adt->action, te, 0, 0);
        
        /* Drivers */
        if (adt->drivers.first) {
            TreeElement *ted= outliner_add_element(soops, &te->subtree, adt, te, TSE_DRIVER_BASE, 0);
            ID *lastadded= NULL;
            FCurve *fcu;
            
            ted->name= "Drivers";
        
            for (fcu= adt->drivers.first; fcu; fcu= fcu->next) {
                if (fcu->driver && fcu->driver->variables.first)  {
                    ChannelDriver *driver= fcu->driver;
                    DriverVar *dvar;
                    
                    for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
                        /* loop over all targets used here */
                        DRIVER_TARGETS_USED_LOOPER(dvar) 
                        {
                            if (lastadded != dtar->id) {
                                // XXX this lastadded check is rather lame, and also fails quite badly...
                                outliner_add_element(soops, &ted->subtree, dtar->id, ted, TSE_LINKED_OB, 0);
                                lastadded= dtar->id;
                            }
                        }
                        DRIVER_TARGETS_LOOPER_END
                    }
                }
            }
        }
        
        /* NLA Data */
        if (adt->nla_tracks.first) {
            TreeElement *tenla= outliner_add_element(soops, &te->subtree, adt, te, TSE_NLA, 0);
            NlaTrack *nlt;
            int a= 0;
            
            tenla->name= "NLA Tracks";
            
            for (nlt= adt->nla_tracks.first; nlt; nlt= nlt->next) {
                TreeElement *tenlt= outliner_add_element(soops, &tenla->subtree, nlt, tenla, TSE_NLA_TRACK, a);
                NlaStrip *strip;
                TreeElement *ten;
                int b= 0;
                
                tenlt->name= nlt->name;
                
                for (strip=nlt->strips.first; strip; strip=strip->next, b++) {
                    ten= outliner_add_element(soops, &tenlt->subtree, strip->act, tenlt, TSE_NLA_ACTION, b);
                    if(ten) ten->directdata= strip;
                }
            }
        }
    }
    else if(type==TSE_SEQUENCE) {
        Sequence *seq= (Sequence*) idv;
        Sequence *p;

        /*
         * The idcode is a little hack, but the outliner
         * only check te->idcode if te->type is equal to zero,
         * so this is "safe".
         */
        te->idcode= seq->type;
        te->directdata= seq;

        if(seq->type<7) {
            /*
             * This work like the sequence.
             * If the sequence have a name (not default name)
             * show it, in other case put the filename.
             */
            if(strcmp(seq->name, "SQ"))
                te->name= seq->name;
            else {
                if((seq->strip) && (seq->strip->stripdata))
                    te->name= seq->strip->stripdata->name;
                else
                    te->name= "SQ None";
            }

            if(seq->type==SEQ_META) {
                te->name= "Meta Strip";
                p= seq->seqbase.first;
                while(p) {
                    outliner_add_element(soops, &te->subtree, (void*)p, te, TSE_SEQUENCE, index);
                    p= p->next;
                }
            }
            else
                outliner_add_element(soops, &te->subtree, (void*)seq->strip, te, TSE_SEQ_STRIP, index);
        }
        else
            te->name= "Effect";
    }
    else if(type==TSE_SEQ_STRIP) {
        Strip *strip= (Strip *)idv;

        if(strip->dir)
            te->name= strip->dir;
        else
            te->name= "Strip None";
        te->directdata= strip;
    }
    else if(type==TSE_SEQUENCE_DUP) {
        Sequence *seq= (Sequence*)idv;

        te->idcode= seq->type;
        te->directdata= seq;
        te->name= seq->strip->stripdata->name;
    }
    else if(ELEM3(type, TSE_RNA_STRUCT, TSE_RNA_PROPERTY, TSE_RNA_ARRAY_ELEM)) {
        PointerRNA pptr, propptr, *ptr= (PointerRNA*)idv;
        PropertyRNA *prop, *iterprop;
        PropertyType proptype;
        int a, tot;

        /* we do lazy build, for speed and to avoid infinite recusion */

        if(ptr->data == NULL) {
            te->name= "(empty)";
        }
        else if(type == TSE_RNA_STRUCT) {
            /* struct */
            te->name= RNA_struct_name_get_alloc(ptr, NULL, 0, NULL);

            if(te->name)
                te->flag |= TE_FREE_NAME;
            else
                te->name= RNA_struct_ui_name(ptr->type);

            /* If searching don't expand RNA entries */
            if(SEARCHING_OUTLINER(soops) && BLI_strcasecmp("RNA",te->name)==0) tselem->flag &= ~TSE_CHILDSEARCH;

            iterprop= RNA_struct_iterator_property(ptr->type);
            tot= RNA_property_collection_length(ptr, iterprop);

            /* auto open these cases */
            if(!parent || (RNA_property_type(parent->directdata)) == PROP_POINTER)
                if(!tselem->used)
                    tselem->flag &= ~TSE_CLOSED;

            if(TSELEM_OPEN(tselem,soops)) {
                for(a=0; a<tot; a++)
                    outliner_add_element(soops, &te->subtree, (void*)ptr, te, TSE_RNA_PROPERTY, a);
            }
            else if(tot)
                te->flag |= TE_LAZY_CLOSED;

            te->rnaptr= *ptr;
        }
        else if(type == TSE_RNA_PROPERTY) {
            /* property */
            iterprop= RNA_struct_iterator_property(ptr->type);
            RNA_property_collection_lookup_int(ptr, iterprop, index, &propptr);

            prop= propptr.data;
            proptype= RNA_property_type(prop);

            te->name= RNA_property_ui_name(prop);
            te->directdata= prop;
            te->rnaptr= *ptr;

            /* If searching don't expand RNA entries */
            if(SEARCHING_OUTLINER(soops) && BLI_strcasecmp("RNA",te->name)==0) tselem->flag &= ~TSE_CHILDSEARCH;

            if(proptype == PROP_POINTER) {
                pptr= RNA_property_pointer_get(ptr, prop);

                if(pptr.data) {
                    if(TSELEM_OPEN(tselem,soops))
                        outliner_add_element(soops, &te->subtree, (void*)&pptr, te, TSE_RNA_STRUCT, -1);
                    else
                        te->flag |= TE_LAZY_CLOSED;
                }
            }
            else if(proptype == PROP_COLLECTION) {
                tot= RNA_property_collection_length(ptr, prop);

                if(TSELEM_OPEN(tselem,soops)) {
                    for(a=0; a<tot; a++) {
                        RNA_property_collection_lookup_int(ptr, prop, a, &pptr);
                        outliner_add_element(soops, &te->subtree, (void*)&pptr, te, TSE_RNA_STRUCT, a);
                    }
                }
                else if(tot)
                    te->flag |= TE_LAZY_CLOSED;
            }
            else if(ELEM3(proptype, PROP_BOOLEAN, PROP_INT, PROP_FLOAT)) {
                tot= RNA_property_array_length(ptr, prop);

                if(TSELEM_OPEN(tselem,soops)) {
                    for(a=0; a<tot; a++)
                        outliner_add_element(soops, &te->subtree, (void*)ptr, te, TSE_RNA_ARRAY_ELEM, a);
                }
                else if(tot)
                    te->flag |= TE_LAZY_CLOSED;
            }
        }
        else if(type == TSE_RNA_ARRAY_ELEM) {
            char c;

            prop= parent->directdata;

            te->directdata= prop;
            te->rnaptr= *ptr;
            te->index= index;

            c= RNA_property_array_item_char(prop, index);

            te->name= MEM_callocN(sizeof(char)*20, "OutlinerRNAArrayName");
            if(c) sprintf((char *)te->name, "  %c", c);
            else sprintf((char *)te->name, "  %d", index+1);
            te->flag |= TE_FREE_NAME;
        }
    }
    else if(type == TSE_KEYMAP) {
        wmKeyMap *km= (wmKeyMap *)idv;
        wmKeyMapItem *kmi;
        char opname[OP_MAX_TYPENAME];
        
        te->directdata= idv;
        te->name= km->idname;
        
        if(TSELEM_OPEN(tselem,soops)) {
            a= 0;
            
            for (kmi= km->items.first; kmi; kmi= kmi->next, a++) {
                const char *key= WM_key_event_string(kmi->type);
                
                if(key[0]) {
                    wmOperatorType *ot= NULL;
                    
                    if(kmi->propvalue);
                    else ot= WM_operatortype_find(kmi->idname, 0);
                    
                    if(ot || kmi->propvalue) {
                        TreeElement *ten= outliner_add_element(soops, &te->subtree, kmi, te, TSE_KEYMAP_ITEM, a);
                        
                        ten->directdata= kmi;
                        
                        if(kmi->propvalue) {
                            ten->name= "Modal map, not yet";
                        }
                        else {
                            WM_operator_py_idname(opname, ot->idname);
                            ten->name= BLI_strdup(opname);
                            ten->flag |= TE_FREE_NAME;
                        }
                    }
                }
            }
        }
        else 
            te->flag |= TE_LAZY_CLOSED;
    }

    return te;
}

/* ======================================================= */
/* Sequencer mode tree building */

/* Helped function to put duplicate sequence in the same tree. */
static int need_add_seq_dup(Sequence *seq)
{
    Sequence *p;

    if((!seq->strip) || (!seq->strip->stripdata) || (!seq->strip->stripdata->name))
        return(1);

    /*
     * First check backward, if we found a duplicate
     * sequence before this, don't need it, just return.
     */
    p= seq->prev;
    while(p) {
        if((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
            p= p->prev;
            continue;
        }

        if(!strcmp(p->strip->stripdata->name, seq->strip->stripdata->name))
            return(2);
        p= p->prev;
    }

    p= seq->next;
    while(p) {
        if((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
            p= p->next;
            continue;
        }

        if(!strcmp(p->strip->stripdata->name, seq->strip->stripdata->name))
            return(0);
        p= p->next;
    }
    return(1);
}

static void outliner_add_seq_dup(SpaceOops *soops, Sequence *seq, TreeElement *te, short index)
{
    /* TreeElement *ch; */ /* UNUSED */
    Sequence *p;

    p= seq;
    while(p) {
        if((!p->strip) || (!p->strip->stripdata) || (!p->strip->stripdata->name)) {
            p= p->next;
            continue;
        }

        if(!strcmp(p->strip->stripdata->name, seq->strip->stripdata->name))
            /* ch= */ /* UNUSED */ outliner_add_element(soops, &te->subtree, (void*)p, te, TSE_SEQUENCE, index);
        p= p->next;
    }
}

/* ======================================================= */
/* Generic Tree Building helpers - order these are called is top to bottom */

/* Hierarchy --------------------------------------------- */

/* make sure elements are correctly nested */
static void outliner_make_hierarchy(SpaceOops *soops, ListBase *lb)
{
    TreeElement *te, *ten, *tep;
    TreeStoreElem *tselem;

    /* build hierarchy */
    // XXX also, set extents here...
    te= lb->first;
    while(te) {
        ten= te->next;
        tselem= TREESTORE(te);
        
        if(tselem->type==0 && te->idcode==ID_OB) {
            Object *ob= (Object *)tselem->id;
            if(ob->parent && ob->parent->id.newid) {
                BLI_remlink(lb, te);
                tep= (TreeElement *)ob->parent->id.newid;
                BLI_addtail(&tep->subtree, te);
                // set correct parent pointers
                for(te=tep->subtree.first; te; te= te->next) te->parent= tep;
            }
        }
        te= ten;
    }
}

/* Sorting ------------------------------------------------------ */

typedef struct tTreeSort {
    TreeElement *te;
    ID *id;
    const char *name;
    short idcode;
} tTreeSort;

/* alphabetical comparator */
static int treesort_alpha(const void *v1, const void *v2)
{
    const tTreeSort *x1= v1, *x2= v2;
    int comp;
    
    /* first put objects last (hierarchy) */
    comp= (x1->idcode==ID_OB);
    if(x2->idcode==ID_OB) comp+=2;
    
    if(comp==1) return 1;
    else if(comp==2) return -1;
    else if(comp==3) {
        comp= strcmp(x1->name, x2->name);
        
        if( comp>0 ) return 1;
        else if( comp<0) return -1;
        return 0;
    }
    return 0;
}

/* this is nice option for later? doesnt look too useful... */
#if 0
static int treesort_obtype_alpha(const void *v1, const void *v2)
{
    const tTreeSort *x1= v1, *x2= v2;
    
    /* first put objects last (hierarchy) */
    if(x1->idcode==ID_OB && x2->idcode!=ID_OB) return 1;
    else if(x2->idcode==ID_OB && x1->idcode!=ID_OB) return -1;
    else {
        /* 2nd we check ob type */
        if(x1->idcode==ID_OB && x2->idcode==ID_OB) {
            if( ((Object *)x1->id)->type > ((Object *)x2->id)->type) return 1;
            else if( ((Object *)x1->id)->type > ((Object *)x2->id)->type) return -1;
            else return 0;
        }
        else {
            int comp= strcmp(x1->name, x2->name);
            
            if( comp>0 ) return 1;
            else if( comp<0) return -1;
            return 0;
        }
    }
}
#endif

/* sort happens on each subtree individual */
static void outliner_sort(SpaceOops *soops, ListBase *lb)
{
    TreeElement *te;
    TreeStoreElem *tselem;
    int totelem=0;
    
    te= lb->last;
    if(te==NULL) return;
    tselem= TREESTORE(te);
    
    /* sorting rules; only object lists or deformgroups */
    if( (tselem->type==TSE_DEFGROUP) || (tselem->type==0 && te->idcode==ID_OB)) {
        
        /* count first */
        for(te= lb->first; te; te= te->next) totelem++;
        
        if(totelem>1) {
            tTreeSort *tear= MEM_mallocN(totelem*sizeof(tTreeSort), "tree sort array");
            tTreeSort *tp=tear;
            int skip= 0;
            
            for(te= lb->first; te; te= te->next, tp++) {
                tselem= TREESTORE(te);
                tp->te= te;
                tp->name= te->name;
                tp->idcode= te->idcode;
                if(tselem->type && tselem->type!=TSE_DEFGROUP) tp->idcode= 0;   // dont sort this
                tp->id= tselem->id;
            }
            /* keep beginning of list */
            for(tp= tear, skip=0; skip<totelem; skip++, tp++)
                if(tp->idcode) break;
            
            if(skip<totelem)
                qsort(tear+skip, totelem-skip, sizeof(tTreeSort), treesort_alpha);
            
            lb->first=lb->last= NULL;
            tp= tear;
            while(totelem--) {
                BLI_addtail(lb, tp->te);
                tp++;
            }
            MEM_freeN(tear);
        }
    }
    
    for(te= lb->first; te; te= te->next) {
        outliner_sort(soops, &te->subtree);
    }
}

/* Filtering ----------------------------------------------- */

static int outliner_filter_has_name(TreeElement *te, const char *name, int flags)
{
#if 0
    int found= 0;
    
    /* determine if match */
    if (flags & SO_FIND_CASE_SENSITIVE) {
        if (flags & SO_FIND_COMPLETE)
            found= strcmp(te->name, name) == 0;
        else
            found= strstr(te->name, name) != NULL;
    }
    else {
        if (flags & SO_FIND_COMPLETE)
            found= BLI_strcasecmp(te->name, name) == 0;
        else
            found= BLI_strcasestr(te->name, name) != NULL;
    }
#else
    
    int fn_flag= 0;
    int found= 0;
    
    if ((flags & SO_FIND_CASE_SENSITIVE) == 0)
        fn_flag |= FNM_CASEFOLD;

    if (flags & SO_FIND_COMPLETE) {
        found= fnmatch(name, te->name, fn_flag)==0;
    }
    else {
        char fn_name[sizeof(((struct SpaceOops *)NULL)->search_string) + 2];
        BLI_snprintf(fn_name, sizeof(fn_name), "*%s*", name);
        found= fnmatch(fn_name, te->name, fn_flag)==0;
    }
    return found;
#endif
}

static int outliner_filter_tree(SpaceOops *soops, ListBase *lb)
{
    TreeElement *te, *ten;
    TreeStoreElem *tselem;
    
    /* although we don't have any search string, we return TRUE 
     * since the entire tree is ok then...
     */
    if (soops->search_string[0]==0) 
        return 1;

    for (te= lb->first; te; te= ten) {
        ten= te->next;
        
        if (0==outliner_filter_has_name(te, soops->search_string, soops->search_flags)) {
            /* item isn't something we're looking for, but...
             *  - if the subtree is expanded, check if there are any matches that can be easily found
             *      so that searching for "cu" in the default scene will still match the Cube
             *  - otherwise, we can't see within the subtree and the item doesn't match,
             *      so these can be safely ignored (i.e. the subtree can get freed)
             */
            tselem= TREESTORE(te);
            
            /* flag as not a found item */
            tselem->flag &= ~TSE_SEARCHMATCH;
            
            if ((!TSELEM_OPEN(tselem,soops)) || outliner_filter_tree(soops, &te->subtree)==0) { 
                outliner_free_tree(&te->subtree);
                BLI_remlink(lb, te);
                
                if(te->flag & TE_FREE_NAME) MEM_freeN((void *)te->name);
                MEM_freeN(te);
            }
        }
        else {
            tselem= TREESTORE(te);
            
            /* flag as a found item - we can then highlight it */
            tselem->flag |= TSE_SEARCHMATCH;
            
            /* filter subtree too */
            outliner_filter_tree(soops, &te->subtree);
        }
    }
    
    /* if there are still items in the list, that means that there were still some matches */
    return (lb->first != NULL);
}

/* ======================================================= */
/* Main Tree Building API */

/* Main entry point for building the tree data-structure that the outliner represents */
// TODO: split each mode into its own function?
void outliner_build_tree(Main *mainvar, Scene *scene, SpaceOops *soops)
{
    Base *base;
    Object *ob;
    TreeElement *te=NULL, *ten;
    TreeStoreElem *tselem;
    int show_opened= (soops->treestore==NULL); /* on first view, we open scenes */

    /* Are we looking for something - we want to tag parents to filter child matches
     - NOT in datablocks view - searching all datablocks takes way too long to be useful
     - this variable is only set once per tree build */
    if(soops->search_string[0]!=0 && soops->outlinevis!=SO_DATABLOCKS)
        soops->search_flags |= SO_SEARCH_RECURSIVE;
    else
        soops->search_flags &= ~SO_SEARCH_RECURSIVE;

    if(soops->tree.first && (soops->storeflag & SO_TREESTORE_REDRAW))
        return;

    outliner_free_tree(&soops->tree);
    outliner_storage_cleanup(soops);
    
    /* clear ob id.new flags */
    for(ob= mainvar->object.first; ob; ob= ob->id.next) ob->id.newid= NULL;
    
    /* options */
    if(soops->outlinevis == SO_LIBRARIES) {
        Library *lib;
        
        for(lib= mainvar->library.first; lib; lib= lib->id.next) {
            ten= outliner_add_element(soops, &soops->tree, lib, NULL, 0, 0);
            lib->id.newid= (ID *)ten;
        }
        /* make hierarchy */
        ten= soops->tree.first;
        while(ten) {
            TreeElement *nten= ten->next, *par;
            tselem= TREESTORE(ten);
            lib= (Library *)tselem->id;
            if(lib->parent) {
                BLI_remlink(&soops->tree, ten);
                par= (TreeElement *)lib->parent->id.newid;
                BLI_addtail(&par->subtree, ten);
                ten->parent= par;
            }
            ten= nten;
        }
        /* restore newid pointers */
        for(lib= mainvar->library.first; lib; lib= lib->id.next)
            lib->id.newid= NULL;
        
    }
    else if(soops->outlinevis == SO_ALL_SCENES) {
        Scene *sce;
        for(sce= mainvar->scene.first; sce; sce= sce->id.next) {
            te= outliner_add_element(soops, &soops->tree, sce, NULL, 0, 0);
            tselem= TREESTORE(te);
            if(sce==scene && show_opened) 
                tselem->flag &= ~TSE_CLOSED;
            
            for(base= sce->base.first; base; base= base->next) {
                ten= outliner_add_element(soops, &te->subtree, base->object, te, 0, 0);
                ten->directdata= base;
            }
            outliner_make_hierarchy(soops, &te->subtree);
            /* clear id.newid, to prevent objects be inserted in wrong scenes (parent in other scene) */
            for(base= sce->base.first; base; base= base->next) base->object->id.newid= NULL;
        }
    }
    else if(soops->outlinevis == SO_CUR_SCENE) {
        
        outliner_add_scene_contents(soops, &soops->tree, scene, NULL);
        
        for(base= scene->base.first; base; base= base->next) {
            ten= outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
            ten->directdata= base;
        }
        outliner_make_hierarchy(soops, &soops->tree);
    }
    else if(soops->outlinevis == SO_VISIBLE) {
        for(base= scene->base.first; base; base= base->next) {
            if(base->lay & scene->lay)
                outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
        }
        outliner_make_hierarchy(soops, &soops->tree);
    }
    else if(soops->outlinevis == SO_GROUPS) {
        Group *group;
        GroupObject *go;
        
        for(group= mainvar->group.first; group; group= group->id.next) {
            if(group->gobject.first) {
                te= outliner_add_element(soops, &soops->tree, group, NULL, 0, 0);
                
                for(go= group->gobject.first; go; go= go->next) {
                    ten= outliner_add_element(soops, &te->subtree, go->ob, te, 0, 0);
                    ten->directdata= NULL; /* eh, why? */
                }
                outliner_make_hierarchy(soops, &te->subtree);
                /* clear id.newid, to prevent objects be inserted in wrong scenes (parent in other scene) */
                for(go= group->gobject.first; go; go= go->next) go->ob->id.newid= NULL;
            }
        }
    }
    else if(soops->outlinevis == SO_SAME_TYPE) {
        Object *ob= OBACT;
        if(ob) {
            for(base= scene->base.first; base; base= base->next) {
                if(base->object->type==ob->type) {
                    ten= outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
                    ten->directdata= base;
                }
            }
            outliner_make_hierarchy(soops, &soops->tree);
        }
    }
    else if(soops->outlinevis == SO_SELECTED) {
        for(base= scene->base.first; base; base= base->next) {
            if(base->lay & scene->lay) {
                if(base==BASACT || (base->flag & SELECT)) {
                    ten= outliner_add_element(soops, &soops->tree, base->object, NULL, 0, 0);
                    ten->directdata= base;
                }
            }
        }
        outliner_make_hierarchy(soops, &soops->tree);
    }
    else if(soops->outlinevis==SO_SEQUENCE) {
        Sequence *seq;
        Editing *ed= seq_give_editing(scene, FALSE);
        int op;

        if(ed==NULL)
            return;

        seq= ed->seqbasep->first;
        if(!seq)
            return;

        while(seq) {
            op= need_add_seq_dup(seq);
            if(op==1) {
                /* ten= */ outliner_add_element(soops, &soops->tree, (void*)seq, NULL, TSE_SEQUENCE, 0);
            }
            else if(op==0) {
                ten= outliner_add_element(soops, &soops->tree, (void*)seq, NULL, TSE_SEQUENCE_DUP, 0);
                outliner_add_seq_dup(soops, seq, ten, 0);
            }
            seq= seq->next;
        }
    }
    else if(soops->outlinevis==SO_DATABLOCKS) {
        PointerRNA mainptr;

        RNA_main_pointer_create(mainvar, &mainptr);

        ten= outliner_add_element(soops, &soops->tree, (void*)&mainptr, NULL, TSE_RNA_STRUCT, -1);

        if(show_opened)  {
            tselem= TREESTORE(ten);
            tselem->flag &= ~TSE_CLOSED;
        }
    }
    else if(soops->outlinevis==SO_USERDEF) {
        PointerRNA userdefptr;

        RNA_pointer_create(NULL, &RNA_UserPreferences, &U, &userdefptr);

        ten= outliner_add_element(soops, &soops->tree, (void*)&userdefptr, NULL, TSE_RNA_STRUCT, -1);

        if(show_opened)  {
            tselem= TREESTORE(ten);
            tselem->flag &= ~TSE_CLOSED;
        }
    }
    else if(soops->outlinevis==SO_KEYMAP) {
        wmWindowManager *wm= mainvar->wm.first;
        wmKeyMap *km;
        
        for(km= wm->defaultconf->keymaps.first; km; km= km->next) {
            /* ten= */ outliner_add_element(soops, &soops->tree, (void*)km, NULL, TSE_KEYMAP, 0);
        }
    }
    else {
        ten= outliner_add_element(soops, &soops->tree, OBACT, NULL, 0, 0);
        if(ten) ten->directdata= BASACT;
    }

    outliner_sort(soops, &soops->tree);
    outliner_filter_tree(soops, &soops->tree);
}