blender-archive/source/blender/blenloader/intern/versioning_legacy.c

/*
 * 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.
 */

/** \file
 * \ingroup blenloader
 */


#include <limits.h>

#ifndef WIN32
#  include <unistd.h> // for read close
#else
#  include <zlib.h>  /* odd include order-issue */
#  include <io.h> // for open close read
#  include "winsock2.h"
#  include "BLI_winstuff.h"
#endif

/* allow readfile to use deprecated functionality */
#define DNA_DEPRECATED_ALLOW

#include "DNA_armature_types.h"
#include "DNA_camera_types.h"
#include "DNA_collection_types.h"
#include "DNA_constraint_types.h"
#include "DNA_effect_types.h"
#include "DNA_key_types.h"
#include "DNA_lattice_types.h"
#include "DNA_lamp_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_nla_types.h"
#include "DNA_node_types.h"
#include "DNA_object_fluidsim_types.h"
#include "DNA_object_types.h"
#include "DNA_view3d_types.h"
#include "DNA_screen_types.h"
#include "DNA_sdna_types.h"
#include "DNA_sequence_types.h"
#include "DNA_sound_types.h"
#include "DNA_space_types.h"
#include "DNA_vfont_types.h"
#include "DNA_world_types.h"

#include "MEM_guardedalloc.h"

#include "BLI_utildefines.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"

#include "BKE_action.h"
#include "BKE_armature.h"
#include "BKE_colortools.h"
#include "BKE_constraint.h"
#include "BKE_deform.h"
#include "BKE_fcurve.h"
#include "BKE_image.h"
#include "BKE_lattice.h"
#include "BKE_main.h" // for Main
#include "BKE_mesh.h" // for ME_ defines (patching)
#include "BKE_modifier.h"
#include "BKE_particle.h"
#include "BKE_pointcache.h"
#include "BKE_scene.h"
#include "BKE_sequencer.h"

#include "NOD_socket.h"

#include "BLO_readfile.h"

#include "readfile.h"

#include "PIL_time.h"

#include <errno.h>

static void vcol_to_fcol(Mesh *me)
{
	MFace *mface;
	uint *mcol, *mcoln, *mcolmain;
	int a;

	if (me->totface == 0 || me->mcol == NULL)
		return;

	mcoln = mcolmain = MEM_malloc_arrayN(me->totface, 4 * sizeof(int), "mcoln");
	mcol = (uint *)me->mcol;
	mface = me->mface;
	for (a = me->totface; a > 0; a--, mface++) {
		mcoln[0] = mcol[mface->v1];
		mcoln[1] = mcol[mface->v2];
		mcoln[2] = mcol[mface->v3];
		mcoln[3] = mcol[mface->v4];
		mcoln += 4;
	}

	MEM_freeN(me->mcol);
	me->mcol = (MCol *)mcolmain;
}

static void do_version_bone_head_tail_237(Bone *bone)
{
	Bone *child;
	float vec[3];

	/* head */
	copy_v3_v3(bone->arm_head, bone->arm_mat[3]);

	/* tail is in current local coord system */
	copy_v3_v3(vec, bone->arm_mat[1]);
	mul_v3_fl(vec, bone->length);
	add_v3_v3v3(bone->arm_tail, bone->arm_head, vec);

	for (child = bone->childbase.first; child; child = child->next)
		do_version_bone_head_tail_237(child);
}

static void bone_version_238(ListBase *lb)
{
	Bone *bone;

	for (bone = lb->first; bone; bone = bone->next) {
		if (bone->rad_tail == 0.0f && bone->rad_head == 0.0f) {
			bone->rad_head = 0.25f * bone->length;
			bone->rad_tail = 0.1f * bone->length;

			bone->dist -= bone->rad_head;
			if (bone->dist <= 0.0f)
				bone->dist = 0.0f;
		}
		bone_version_238(&bone->childbase);
	}
}

static void bone_version_239(ListBase *lb)
{
	Bone *bone;

	for (bone = lb->first; bone; bone = bone->next) {
		if (bone->layer == 0)
			bone->layer = 1;
		bone_version_239(&bone->childbase);
	}
}

static void ntree_version_241(bNodeTree *ntree)
{
	bNode *node;

	if (ntree->type == NTREE_COMPOSIT) {
		for (node = ntree->nodes.first; node; node = node->next) {
			if (node->type == CMP_NODE_BLUR) {
				if (node->storage == NULL) {
					NodeBlurData *nbd = MEM_callocN(sizeof(NodeBlurData), "node blur patch");
					nbd->sizex = node->custom1;
					nbd->sizey = node->custom2;
					nbd->filtertype = R_FILTER_QUAD;
					node->storage = nbd;
				}
			}
			else if (node->type == CMP_NODE_VECBLUR) {
				if (node->storage == NULL) {
					NodeBlurData *nbd = MEM_callocN(sizeof(NodeBlurData), "node blur patch");
					nbd->samples = node->custom1;
					nbd->maxspeed = node->custom2;
					nbd->fac = 1.0f;
					node->storage = nbd;
				}
			}
		}
	}
}

static void ntree_version_242(bNodeTree *ntree)
{
	bNode *node;

	if (ntree->type == NTREE_COMPOSIT) {
		for (node = ntree->nodes.first; node; node = node->next) {
			if (node->type == CMP_NODE_HUE_SAT) {
				if (node->storage) {
					NodeHueSat *nhs = node->storage;
					if (nhs->val == 0.0f)
						nhs->val = 1.0f;
				}
			}
		}
	}
}

static void ntree_version_245(FileData *fd, Library *lib, bNodeTree *ntree)
{
	bNode *node;
	NodeTwoFloats *ntf;
	ID *nodeid;
	Image *image;
	ImageUser *iuser;

	if (ntree->type == NTREE_COMPOSIT) {
		for (node = ntree->nodes.first; node; node = node->next) {
			if (node->type == CMP_NODE_ALPHAOVER) {
				if (!node->storage) {
					ntf = MEM_callocN(sizeof(NodeTwoFloats), "NodeTwoFloats");
					node->storage = ntf;
					if (node->custom1)
						ntf->x = 1.0f;
				}
			}

			/* fix for temporary flag changes during 245 cycle */
			nodeid = blo_do_versions_newlibadr(fd, lib, node->id);
			if (node->storage && nodeid && GS(nodeid->name) == ID_IM) {
				image = (Image *)nodeid;
				iuser = node->storage;
				if (iuser->flag & IMA_OLD_PREMUL) {
					iuser->flag &= ~IMA_OLD_PREMUL;
				}
				if (iuser->flag & IMA_DO_PREMUL) {
					image->flag &= ~IMA_OLD_PREMUL;
					image->alpha_mode = IMA_ALPHA_STRAIGHT;
				}
			}
		}
	}
}

static void idproperties_fix_groups_lengths_recurse(IDProperty *prop)
{
	IDProperty *loop;
	int i;

	for (loop = prop->data.group.first, i = 0; loop; loop = loop->next, i++) {
		if (loop->type == IDP_GROUP)
			idproperties_fix_groups_lengths_recurse(loop);
	}

	if (prop->len != i) {
		printf("Found and fixed bad id property group length.\n");
		prop->len = i;
	}
}

static void idproperties_fix_group_lengths(ListBase idlist)
{
	ID *id;

	for (id = idlist.first; id; id = id->next) {
		if (id->properties) {
			idproperties_fix_groups_lengths_recurse(id->properties);
		}
	}
}

static void customdata_version_242(Mesh *me)
{
	CustomDataLayer *layer;
	MTFace *mtf;
	MCol *mcol;
	TFace *tf;
	int a, mtfacen, mcoln;

	if (!me->vdata.totlayer) {
		CustomData_add_layer(&me->vdata, CD_MVERT, CD_ASSIGN, me->mvert, me->totvert);

		if (me->dvert)
			CustomData_add_layer(&me->vdata, CD_MDEFORMVERT, CD_ASSIGN, me->dvert, me->totvert);
	}

	if (!me->edata.totlayer)
		CustomData_add_layer(&me->edata, CD_MEDGE, CD_ASSIGN, me->medge, me->totedge);

	if (!me->fdata.totlayer) {
		CustomData_add_layer(&me->fdata, CD_MFACE, CD_ASSIGN, me->mface, me->totface);

		if (me->tface) {
			if (me->mcol)
				MEM_freeN(me->mcol);

			me->mcol = CustomData_add_layer(&me->fdata, CD_MCOL, CD_CALLOC, NULL, me->totface);
			me->mtface = CustomData_add_layer(&me->fdata, CD_MTFACE, CD_CALLOC, NULL, me->totface);

			mtf = me->mtface;
			mcol = me->mcol;
			tf = me->tface;

			for (a = 0; a < me->totface; a++, mtf++, tf++, mcol += 4) {
				memcpy(mcol, tf->col, sizeof(tf->col));
				memcpy(mtf->uv, tf->uv, sizeof(tf->uv));
			}

			MEM_freeN(me->tface);
			me->tface = NULL;
		}
		else if (me->mcol) {
			me->mcol = CustomData_add_layer(&me->fdata, CD_MCOL, CD_ASSIGN, me->mcol, me->totface);
		}
	}

	if (me->tface) {
		MEM_freeN(me->tface);
		me->tface = NULL;
	}

	for (a = 0, mtfacen = 0, mcoln = 0; a < me->fdata.totlayer; a++) {
		layer = &me->fdata.layers[a];

		if (layer->type == CD_MTFACE) {
			if (layer->name[0] == 0) {
				if (mtfacen == 0) strcpy(layer->name, "UVMap");
				else BLI_snprintf(layer->name, sizeof(layer->name), "UVMap.%.3d", mtfacen);
			}
			mtfacen++;
		}
		else if (layer->type == CD_MCOL) {
			if (layer->name[0] == 0) {
				if (mcoln == 0)
					strcpy(layer->name, "Col");
				else
					BLI_snprintf(layer->name, sizeof(layer->name), "Col.%.3d", mcoln);
			}
			mcoln++;
		}
	}

	BKE_mesh_update_customdata_pointers(me, true);
}

/*only copy render texface layer from active*/
static void customdata_version_243(Mesh *me)
{
	CustomDataLayer *layer;
	int a;

	for (a = 0; a < me->fdata.totlayer; a++) {
		layer = &me->fdata.layers[a];
		layer->active_rnd = layer->active;
	}
}

/* struct NodeImageAnim moved to ImageUser, and we make it default available */
static void do_version_ntree_242_2(bNodeTree *ntree)
{
	bNode *node;

	if (ntree->type == NTREE_COMPOSIT) {
		for (node = ntree->nodes.first; node; node = node->next) {
			if (ELEM(node->type, CMP_NODE_IMAGE, CMP_NODE_VIEWER, CMP_NODE_SPLITVIEWER)) {
				/* only image had storage */
				if (node->storage) {
					NodeImageAnim *nia = node->storage;
					ImageUser *iuser = MEM_callocN(sizeof(ImageUser), "ima user node");

					iuser->frames = nia->frames;
					iuser->sfra = nia->sfra;
					iuser->offset = nia->nr - 1;
					iuser->cycl = nia->cyclic;
					iuser->ok = 1;

					node->storage = iuser;
					MEM_freeN(nia);
				}
				else {
					ImageUser *iuser = node->storage = MEM_callocN(sizeof(ImageUser), "node image user");
					iuser->sfra = 1;
					iuser->ok = 1;
				}
			}
		}
	}
}

static void do_version_free_effect_245(Effect *eff)
{
	PartEff *paf;

	if (eff->type == EFF_PARTICLE) {
		paf = (PartEff *)eff;
		if (paf->keys)
			MEM_freeN(paf->keys);
	}
	MEM_freeN(eff);
}

static void do_version_free_effects_245(ListBase *lb)
{
	Effect *eff;

	while ((eff = BLI_pophead(lb))) {
		do_version_free_effect_245(eff);
	}
}

static void do_version_constraints_245(ListBase *lb)
{
	bConstraint *con;
	bConstraintTarget *ct;

	for (con = lb->first; con; con = con->next) {
		if (con->type == CONSTRAINT_TYPE_PYTHON) {
			bPythonConstraint *data = (bPythonConstraint *)con->data;
			if (data->tar) {
				/* version patching needs to be done */
				ct = MEM_callocN(sizeof(bConstraintTarget), "PyConTarget");

				ct->tar = data->tar;
				BLI_strncpy(ct->subtarget, data->subtarget, sizeof(ct->subtarget));
				ct->space = con->tarspace;

				BLI_addtail(&data->targets, ct);
				data->tarnum++;

				/* clear old targets to avoid problems */
				data->tar = NULL;
				data->subtarget[0] = '\0';
			}
		}
		else if (con->type == CONSTRAINT_TYPE_LOCLIKE) {
			bLocateLikeConstraint *data = (bLocateLikeConstraint *)con->data;

			/* new headtail functionality makes Bone-Tip function obsolete */
			if (data->flag & LOCLIKE_TIP)
				con->headtail = 1.0f;
		}
	}
}

PartEff *blo_do_version_give_parteff_245(Object *ob)
{
	PartEff *paf;

	paf = ob->effect.first;
	while (paf) {
		if (paf->type == EFF_PARTICLE)
			return paf;
		paf = paf->next;
	}
	return NULL;
}

/* NOTE: this version patch is intended for versions < 2.52.2, but was initially introduced in 2.27 already */
void blo_do_version_old_trackto_to_constraints(Object *ob)
{
	/* create new trackto constraint from the relationship */
	if (ob->track) {
		bConstraint *con = BKE_constraint_add_for_object(ob, "AutoTrack", CONSTRAINT_TYPE_TRACKTO);
		bTrackToConstraint *data = con->data;

		/* copy tracking settings from the object */
		data->tar = ob->track;
		data->reserved1 = ob->trackflag;
		data->reserved2 = ob->upflag;
	}

	/* clear old track setting */
	ob->track = NULL;
}

void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
{
	/* WATCH IT!!!: pointers from libdata have not been converted */

	if (bmain->versionfile == 100) {
		/* tex->extend and tex->imageflag have changed: */
		Tex *tex = bmain->tex.first;
		while (tex) {
			if (tex->id.tag & LIB_TAG_NEED_LINK) {

				if (tex->extend == 0) {
					if (tex->xrepeat || tex->yrepeat) {
						tex->extend = TEX_REPEAT;
					}
					else {
						tex->extend = TEX_EXTEND;
						tex->xrepeat = tex->yrepeat = 1;
					}
				}

			}
			tex = tex->id.next;
		}
	}

	if (bmain->versionfile <= 101) {
		/* frame mapping */
		Scene *sce = bmain->scene.first;
		while (sce) {
			sce->r.framapto = 100;
			sce->r.images = 100;
			sce->r.framelen = 1.0;
			sce = sce->id.next;
		}
	}

	if (bmain->versionfile <= 103) {
		/* new variable in object: colbits */
		Object *ob = bmain->object.first;
		int a;
		while (ob) {
			ob->colbits = 0;
			if (ob->totcol) {
				for (a = 0; a < ob->totcol; a++) {
					if (ob->mat[a])
						ob->colbits |= (1 << a);
				}
			}
			ob = ob->id.next;
		}
	}

	if (bmain->versionfile <= 104) {
		/* timeoffs moved */
		Object *ob = bmain->object.first;
		while (ob) {
			if (ob->transflag & 1) {
				ob->transflag -= 1;
			}
			ob = ob->id.next;
		}
	}

	if (bmain->versionfile <= 106) {
		/* mcol changed */
		Mesh *me = bmain->mesh.first;
		while (me) {
			if (me->mcol)
				vcol_to_fcol(me);
			me = me->id.next;
		}

	}

	if (bmain->versionfile <= 107) {
		Object *ob;
		ob = bmain->object.first;
		while (ob) {
			if (ob->dt == 0)
				ob->dt = OB_SOLID;
			ob = ob->id.next;
		}

	}

	if (bmain->versionfile <= 109) {
		/* new variable: gridlines */
		bScreen *sc = bmain->screen.first;
		while (sc) {
			ScrArea *sa = sc->areabase.first;
			while (sa) {
				SpaceLink *sl = sa->spacedata.first;
				while (sl) {
					if (sl->spacetype == SPACE_VIEW3D) {
						View3D *v3d = (View3D *)sl;

						if (v3d->gridlines == 0)
							v3d->gridlines = 20;
					}
					sl = sl->next;
				}
				sa = sa->next;
			}
			sc = sc->id.next;
		}
	}

	if (bmain->versionfile <= 134) {
		Tex *tex = bmain->tex.first;
		while (tex) {
			if ((tex->rfac == 0.0f) &&
			    (tex->gfac == 0.0f) &&
			    (tex->bfac == 0.0f))
			{
				tex->rfac = 1.0f;
				tex->gfac = 1.0f;
				tex->bfac = 1.0f;
				tex->filtersize = 1.0f;
			}
			tex = tex->id.next;
		}
	}

	if (bmain->versionfile <= 140) {
		/* r-g-b-fac in texture */
		Tex *tex = bmain->tex.first;
		while (tex) {
			if ((tex->rfac == 0.0f) &&
			    (tex->gfac == 0.0f) &&
			    (tex->bfac == 0.0f))
			{
				tex->rfac = 1.0f;
				tex->gfac = 1.0f;
				tex->bfac = 1.0f;
				tex->filtersize = 1.0f;
			}
			tex = tex->id.next;
		}
	}

	if (bmain->versionfile <= 153) {
		Scene *sce = bmain->scene.first;
		while (sce) {
			if (sce->r.blurfac == 0.0f)
				sce->r.blurfac = 1.0f;
			sce = sce->id.next;
		}
	}

	if (bmain->versionfile <= 163) {
		Scene *sce = bmain->scene.first;
		while (sce) {
			if (sce->r.frs_sec == 0)
				sce->r.frs_sec = 25;
			sce = sce->id.next;
		}
	}

	if (bmain->versionfile <= 164) {
		Mesh *me = bmain->mesh.first;
		while (me) {
			me->smoothresh = 30;
			me = me->id.next;
		}
	}

	if (bmain->versionfile <= 165) {
		Mesh *me = bmain->mesh.first;
		TFace *tface;
		int nr;
		char *cp;

		while (me) {
			if (me->tface) {
				nr = me->totface;
				tface = me->tface;
				while (nr--) {
					int j;
					for (j = 0; j < 4; j++) {
						int k;
						cp = ((char *)&tface->col[j]) + 1;
						for (k = 0; k < 3; k++) {
							cp[k] = (cp[k] > 126) ? 255 : cp[k] * 2;
						}
					}

					tface++;
				}
			}
			me = me->id.next;
		}
	}

	if (bmain->versionfile <= 169) {
		Mesh *me = bmain->mesh.first;
		while (me) {
			if (me->subdiv == 0)
				me->subdiv = 1;
			me = me->id.next;
		}
	}

	if (bmain->versionfile <= 169) {
		bScreen *sc = bmain->screen.first;
		while (sc) {
			ScrArea *sa = sc->areabase.first;
			while (sa) {
				SpaceLink *sl = sa->spacedata.first;
				while (sl) {
					if (sl->spacetype == SPACE_GRAPH) {
						SpaceGraph *sipo = (SpaceGraph *)sl;
						sipo->v2d.max[0] = 15000.0;
					}
					sl = sl->next;
				}
				sa = sa->next;
			}
			sc = sc->id.next;
		}
	}

	if (bmain->versionfile <= 170) {
		Object *ob = bmain->object.first;
		PartEff *paf;
		while (ob) {
			paf = blo_do_version_give_parteff_245(ob);
			if (paf) {
				if (paf->staticstep == 0) {
					paf->staticstep = 5;
				}
			}
			ob = ob->id.next;
		}
	}

	if (bmain->versionfile <= 171) {
		bScreen *sc = bmain->screen.first;
		while (sc) {
			ScrArea *sa = sc->areabase.first;
			while (sa) {
				SpaceLink *sl = sa->spacedata.first;
				while (sl) {
					if (sl->spacetype == SPACE_TEXT) {
						SpaceText *st = (SpaceText *)sl;
						st->lheight = 12;
					}
					sl = sl->next;
				}
				sa = sa->next;
			}
			sc = sc->id.next;
		}
	}

	if (bmain->versionfile <= 173) {
		int a, b;
		Mesh *me = bmain->mesh.first;
		while (me) {
			if (me->tface) {
				TFace *tface = me->tface;
				for (a = 0; a < me->totface; a++, tface++) {
					for (b = 0; b < 4; b++) {
						tface->uv[b][0] /= 32767.0f;
						tface->uv[b][1] /= 32767.0f;
					}
				}
			}
			me = me->id.next;
		}
	}

	if (bmain->versionfile <= 204) {
		bSound *sound;

		sound = bmain->sound.first;
		while (sound) {
			if (sound->volume < 0.01f) {
				sound->volume = 1.0f;
			}
			sound = sound->id.next;
		}
	}

	if (bmain->versionfile <= 212) {
		bSound *sound;
		Mesh *me;

		sound = bmain->sound.first;
		while (sound) {
			sound->max_gain = 1.0;
			sound->min_gain = 0.0;
			sound->distance = 1.0;

			if (sound->attenuation > 0.0f)
				sound->flags |= SOUND_FLAGS_3D;
			else
				sound->flags &= ~SOUND_FLAGS_3D;

			sound = sound->id.next;
		}

		/* me->subdiv changed to reflect the actual reparametization
		 * better, and smeshes were removed - if it was a smesh make
		 * it a subsurf, and reset the subdiv level because subsurf
		 * takes a lot more work to calculate.
		 */
		for (me = bmain->mesh.first; me; me = me->id.next) {
			enum {
				ME_SMESH = (1 << 6),
				ME_SUBSURF = (1 << 7),
			};
			if (me->flag & ME_SMESH) {
				me->flag &= ~ME_SMESH;
				me->flag |= ME_SUBSURF;

				me->subdiv = 1;
			}
			else {
				if (me->subdiv < 2)
					me->subdiv = 1;
				else
					me->subdiv--;
			}
		}
	}

	if (bmain->versionfile <= 220) {
		Mesh *me;

		/* Began using alpha component of vertex colors, but
		 * old file vertex colors are undefined, reset them
		 * to be fully opaque. -zr
		 */
		for (me = bmain->mesh.first; me; me = me->id.next) {
			if (me->mcol) {
				int i;

				for (i = 0; i < me->totface * 4; i++) {
					MCol *mcol = &me->mcol[i];
					mcol->a = 255;
				}
			}
			if (me->tface) {
				int i, j;

				for (i = 0; i < me->totface; i++) {
					TFace *tf = &((TFace *)me->tface)[i];

					for (j = 0; j < 4; j++) {
						char *col = (char *)&tf->col[j];

						col[0] = 255;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 223) {
		VFont *vf;
		for (vf = bmain->vfont.first; vf; vf = vf->id.next) {
			if (STREQ(vf->name + strlen(vf->name) - 6, ".Bfont")) {
				strcpy(vf->name, FO_BUILTIN_NAME);
			}
		}
	}

	if (bmain->versionfile <= 224) {
		bSound *sound;
		Scene *sce;
		Mesh *me;
		bScreen *sc;

		for (sound = bmain->sound.first; sound; sound = sound->id.next) {
			if (sound->packedfile) {
				if (sound->newpackedfile == NULL) {
					sound->newpackedfile = sound->packedfile;
				}
				sound->packedfile = NULL;
			}
		}
		/* Make sure that old subsurf meshes don't have zero subdivision level for rendering */
		for (me = bmain->mesh.first; me; me = me->id.next) {
			enum { ME_SUBSURF = (1 << 7) };
			if ((me->flag & ME_SUBSURF) && (me->subdivr == 0)) {
				me->subdivr = me->subdiv;
			}
		}

		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			sce->r.stereomode = 1;  // no stereo
		}

		/* some oldfile patch, moved from set_func_space */
		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;

			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;

				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					if (sl->spacetype == SPACE_GRAPH) {
						SpaceSeq *sseq = (SpaceSeq *)sl;
						sseq->v2d.keeptot = 0;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 227) {
		Scene *sce;
		bScreen *sc;
		Object *ob;

		/* As of now, this insures that the transition from the old Track system
		 * to the new full constraint Track is painless for everyone. - theeth
		 */
		ob = bmain->object.first;

		while (ob) {
			ListBase *list;
			list = &ob->constraints;

			/* check for already existing TrackTo constraint
			 * set their track and up flag correctly
			 */

			if (list) {
				bConstraint *curcon;
				for (curcon = list->first; curcon; curcon = curcon->next) {
					if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
						bTrackToConstraint *data = curcon->data;
						data->reserved1 = ob->trackflag;
						data->reserved2 = ob->upflag;
					}
				}
			}

			if (ob->type == OB_ARMATURE) {
				if (ob->pose) {
					bConstraint *curcon;
					bPoseChannel *pchan;
					for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
						for (curcon = pchan->constraints.first; curcon; curcon = curcon->next) {
							if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
								bTrackToConstraint *data = curcon->data;
								data->reserved1 = ob->trackflag;
								data->reserved2 = ob->upflag;
							}
						}
					}
				}
			}

			/* Change Ob->Track in real TrackTo constraint */
			blo_do_version_old_trackto_to_constraints(ob);

			ob = ob->id.next;
		}

		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			sce->audio.mixrate = 48000;
			sce->audio.flag |= AUDIO_SCRUB;
		}

		/* patch for old wrong max view2d settings, allows zooming out more */
		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;

			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;

				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					if (sl->spacetype == SPACE_ACTION) {
						SpaceAction *sac = (SpaceAction *)sl;
						sac->v2d.max[0] = 32000;
					}
					else if (sl->spacetype == SPACE_NLA) {
						SpaceNla *sla = (SpaceNla *)sl;
						sla->v2d.max[0] = 32000;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 228) {
		bScreen *sc;
		Object *ob;

		/* As of now, this insures that the transition from the old Track system
		 * to the new full constraint Track is painless for everyone.
		 */
		ob = bmain->object.first;

		while (ob) {
			ListBase *list;
			list = &ob->constraints;

			/* check for already existing TrackTo constraint
			 * set their track and up flag correctly */

			if (list) {
				bConstraint *curcon;
				for (curcon = list->first; curcon; curcon = curcon->next) {
					if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
						bTrackToConstraint *data = curcon->data;
						data->reserved1 = ob->trackflag;
						data->reserved2 = ob->upflag;
					}
				}
			}

			if (ob->type == OB_ARMATURE) {
				if (ob->pose) {
					bConstraint *curcon;
					bPoseChannel *pchan;
					for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
						for (curcon = pchan->constraints.first; curcon; curcon = curcon->next) {
							if (curcon->type == CONSTRAINT_TYPE_TRACKTO) {
								bTrackToConstraint *data = curcon->data;
								data->reserved1 = ob->trackflag;
								data->reserved2 = ob->upflag;
							}
						}
					}
				}
			}

			ob = ob->id.next;
		}

		/* convert old mainb values for new button panels */
		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;

			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;

				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					if (sl->spacetype == SPACE_PROPERTIES) {
						SpaceProperties *sbuts = (SpaceProperties *)sl;

						sbuts->v2d.maxzoom = 1.2f;

						if (sbuts->mainb == BUTS_LAMP) {
							sbuts->mainb = CONTEXT_SHADING;
							//sbuts->tab[CONTEXT_SHADING] = TAB_SHADING_LAMP;
						}
						else if (sbuts->mainb == BUTS_MAT) {
							sbuts->mainb = CONTEXT_SHADING;
							//sbuts->tab[CONTEXT_SHADING] = TAB_SHADING_MAT;
						}
						else if (sbuts->mainb == BUTS_TEX) {
							sbuts->mainb = CONTEXT_SHADING;
							//sbuts->tab[CONTEXT_SHADING] = TAB_SHADING_TEX;
						}
						else if (sbuts->mainb == BUTS_ANIM) {
							sbuts->mainb = CONTEXT_OBJECT;
						}
						else if (sbuts->mainb == BUTS_WORLD) {
							sbuts->mainb = CONTEXT_SCENE;
							//sbuts->tab[CONTEXT_SCENE] = TAB_SCENE_WORLD;
						}
						else if (sbuts->mainb == BUTS_RENDER) {
							sbuts->mainb = CONTEXT_SCENE;
							//sbuts->tab[CONTEXT_SCENE] = TAB_SCENE_RENDER;
						}
						else if (sbuts->mainb == BUTS_FPAINT) {
							sbuts->mainb = CONTEXT_EDITING;
						}
						else if (sbuts->mainb == BUTS_RADIO) {
							sbuts->mainb = CONTEXT_SHADING;
							//sbuts->tab[CONTEXT_SHADING] = TAB_SHADING_RAD;
						}
						else if (sbuts->mainb == BUTS_CONSTRAINT) {
							sbuts->mainb = CONTEXT_OBJECT;
						}
						else if (sbuts->mainb == BUTS_SCRIPT) {
							sbuts->mainb = CONTEXT_OBJECT;
						}
						else if (sbuts->mainb == BUTS_EDIT) {
							sbuts->mainb = CONTEXT_EDITING;
						}
						else {
							sbuts->mainb = CONTEXT_SCENE;
						}
					}
				}
			}
		}
	}

	/* ton: made this 230 instead of 229,
	 * to be sure (tuho files) and this is a reliable check anyway
	 * nevertheless, we might need to think over a fitness (initialize)
	 * check apart from the do_versions()
	 */

	if (bmain->versionfile <= 230) {
		bScreen *sc;

		/* new variable blockscale, for panels in any area */
		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;

			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;

				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					/* added: 5x better zoom in for action */
					if (sl->spacetype == SPACE_ACTION) {
						SpaceAction *sac = (SpaceAction *)sl;
						sac->v2d.maxzoom = 50;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 231) {
		bScreen *sc = bmain->screen.first;

		/* new bit flags for showing/hiding grid floor and axes */

		while (sc) {
			ScrArea *sa = sc->areabase.first;
			while (sa) {
				SpaceLink *sl = sa->spacedata.first;
				while (sl) {
					if (sl->spacetype == SPACE_VIEW3D) {
						View3D *v3d = (View3D *)sl;

						if (v3d->gridflag == 0) {
							v3d->gridflag |= V3D_SHOW_X;
							v3d->gridflag |= V3D_SHOW_Y;
							v3d->gridflag |= V3D_SHOW_FLOOR;
							v3d->gridflag &= ~V3D_SHOW_Z;
						}
					}
					sl = sl->next;
				}
				sa = sa->next;
			}
			sc = sc->id.next;
		}
	}

	if (bmain->versionfile <= 232) {
		Tex *tex = bmain->tex.first;
		World *wrld = bmain->world.first;
		bScreen *sc;

		while (tex) {
			if ((tex->flag & (TEX_CHECKER_ODD + TEX_CHECKER_EVEN)) == 0) {
				tex->flag |= TEX_CHECKER_ODD;
			}
			/* copied from kernel texture.c */
			if (tex->ns_outscale == 0.0f) {
				/* musgrave */
				tex->mg_H = 1.0f;
				tex->mg_lacunarity = 2.0f;
				tex->mg_octaves = 2.0f;
				tex->mg_offset = 1.0f;
				tex->mg_gain = 1.0f;
				tex->ns_outscale = 1.0f;
				/* distnoise */
				tex->dist_amount = 1.0f;
				/* voronoi */
				tex->vn_w1 = 1.0f;
				tex->vn_mexp = 2.5f;
			}
			tex = tex->id.next;
		}

		while (wrld) {
			if (wrld->aodist == 0.0f) {
				wrld->aodist = 10.0f;
			}
			if (wrld->aoenergy == 0.0f)
				wrld->aoenergy = 1.0f;
			wrld = wrld->id.next;
		}

		/* new variable blockscale, for panels in any area, do again because new
		 * areas didnt initialize it to 0.7 yet
		 */
		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;
			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;
				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					/* added: 5x better zoom in for nla */
					if (sl->spacetype == SPACE_NLA) {
						SpaceNla *snla = (SpaceNla *)sl;
						snla->v2d.maxzoom = 50;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 233) {
		bScreen *sc;
		Material *ma = bmain->mat.first;
		/* Object *ob = bmain->object.first; */

		while (ma) {
			if (ma->pr_light == 0)
				ma->pr_light = 3;
			ma = ma->id.next;
		}

		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;
			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;
				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					if (sl->spacetype == SPACE_VIEW3D) {
						View3D *v3d = (View3D *)sl;
						v3d->flag |= V3D_SELECT_OUTLINE;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 234) {
		bScreen *sc;

		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;
			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;
				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					if (sl->spacetype == SPACE_TEXT) {
						SpaceText *st = (SpaceText *)sl;
						if (st->tabnumber == 0)
							st->tabnumber = 2;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 235) {
		Tex *tex = bmain->tex.first;
		Scene *sce = bmain->scene.first;
		Sequence *seq;
		Editing *ed;

		while (tex) {
			if (tex->nabla == 0.0f)
				tex->nabla = 0.025f;
			tex = tex->id.next;
		}
		while (sce) {
			ed = sce->ed;
			if (ed) {
				SEQ_BEGIN(sce->ed, seq)
				{
					if (seq->type == SEQ_TYPE_IMAGE || seq->type == SEQ_TYPE_MOVIE)
						seq->alpha_mode = SEQ_ALPHA_STRAIGHT;
				} SEQ_END;
			}

			sce = sce->id.next;
		}
	}

	if (bmain->versionfile <= 236) {
		Object *ob;
		Camera *cam = bmain->camera.first;

		while (cam) {
			if (cam->ortho_scale == 0.0f) {
				cam->ortho_scale = 256.0f / cam->lens;
				if (cam->type == CAM_ORTHO)
					printf("NOTE: ortho render has changed, tweak new Camera 'scale' value.\n");
			}
			cam = cam->id.next;
		}
		/* force oops draw if depgraph was set*/
		/* set time line var */

		/* softbody init new vars */
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->soft) {
				if (ob->soft->defgoal == 0.0f)
					ob->soft->defgoal = 0.7f;
				if (ob->soft->physics_speed == 0.0f)
					ob->soft->physics_speed = 1.0f;

				if (ob->soft->interval == 0) {
					ob->soft->interval = 2;
					ob->soft->sfra = 1;
					ob->soft->efra = 100;
				}
			}
			if (ob->soft && ob->soft->vertgroup == 0) {
				bDeformGroup *locGroup = defgroup_find_name(ob, "SOFTGOAL");
				if (locGroup) {
					/* retrieve index for that group */
					ob->soft->vertgroup =  1 + BLI_findindex(&ob->defbase, locGroup);
				}
			}
		}
	}

	if (bmain->versionfile <= 237) {
		bArmature *arm;
		bConstraint *con;
		Object *ob;
		Bone *bone;

		/* armature recode checks */
		for (arm = bmain->armature.first; arm; arm = arm->id.next) {
			BKE_armature_where_is(arm);

			for (bone = arm->bonebase.first; bone; bone = bone->next)
				do_version_bone_head_tail_237(bone);
		}
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->parent) {
				Object *parent = blo_do_versions_newlibadr(fd, lib, ob->parent);
				if (parent && parent->type == OB_LATTICE)
					ob->partype = PARSKEL;
			}

			/* btw. armature_rebuild_pose is further only called on leave editmode */
			if (ob->type == OB_ARMATURE) {
				if (ob->pose)
					BKE_pose_tag_recalc(bmain, ob->pose);

				/* cannot call stuff now (pointers!), done in setup_app_data */
				ob->id.recalc |= ID_RECALC_ALL;

				/* new generic xray option */
				arm = blo_do_versions_newlibadr(fd, lib, ob->data);
				if (arm->flag & ARM_DRAWXRAY) {
					ob->dtx |= OB_DRAWXRAY;
				}
			}
			else if (ob->type == OB_MESH) {
				Mesh *me = blo_do_versions_newlibadr(fd, lib, ob->data);

				enum {
					ME_SUBSURF = (1 << 7),
					ME_OPT_EDGES = (1 << 8),
				};

				if ((me->flag & ME_SUBSURF)) {
					SubsurfModifierData *smd = (SubsurfModifierData *)modifier_new(eModifierType_Subsurf);

					smd->levels = MAX2(1, me->subdiv);
					smd->renderLevels = MAX2(1, me->subdivr);
					smd->subdivType = me->subsurftype;

					smd->modifier.mode = 0;
					if (me->subdiv != 0)
						smd->modifier.mode |= 1;
					if (me->subdivr != 0)
						smd->modifier.mode |= 2;

					if (me->flag & ME_OPT_EDGES)
						smd->flags |= eSubsurfModifierFlag_ControlEdges;

					BLI_addtail(&ob->modifiers, smd);

					modifier_unique_name(&ob->modifiers, (ModifierData *)smd);
				}
			}

			/* follow path constraint needs to set the 'path' option in curves... */
			for (con = ob->constraints.first; con; con = con->next) {
				if (con->type == CONSTRAINT_TYPE_FOLLOWPATH) {
					bFollowPathConstraint *data = con->data;
					Object *obc = blo_do_versions_newlibadr(fd, lib, data->tar);

					if (obc && obc->type == OB_CURVE) {
						Curve *cu = blo_do_versions_newlibadr(fd, lib, obc->data);
						if (cu)
							cu->flag |= CU_PATH;
					}
				}
			}
		}
	}

	if (bmain->versionfile <= 238) {
		Lattice *lt;
		Object *ob;
		bArmature *arm;
		Mesh *me;
		Key *key;
		Scene *sce = bmain->scene.first;

		while (sce) {
			if (sce->toolsettings == NULL) {
				sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings), "Tool Settings Struct");
				sce->toolsettings->doublimit = 0.001f;
			}
			sce = sce->id.next;
		}

		for (lt = bmain->lattice.first; lt; lt = lt->id.next) {
			if (lt->fu == 0.0f && lt->fv == 0.0f && lt->fw == 0.0f) {
				calc_lat_fudu(lt->flag, lt->pntsu, &lt->fu, &lt->du);
				calc_lat_fudu(lt->flag, lt->pntsv, &lt->fv, &lt->dv);
				calc_lat_fudu(lt->flag, lt->pntsw, &lt->fw, &lt->dw);
			}
		}

		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			ModifierData *md;
			PartEff *paf;

			for (md = ob->modifiers.first; md; md = md->next) {
				if (md->type == eModifierType_Subsurf) {
					SubsurfModifierData *smd = (SubsurfModifierData *)md;

					smd->flags &= ~(eSubsurfModifierFlag_Incremental | eSubsurfModifierFlag_DebugIncr);
				}
			}

			if ((ob->softflag & OB_SB_ENABLE) && !modifiers_findByType(ob, eModifierType_Softbody)) {
				if (ob->softflag & OB_SB_POSTDEF) {
					md = ob->modifiers.first;

					while (md && modifierType_getInfo(md->type)->type == eModifierTypeType_OnlyDeform) {
						md = md->next;
					}

					BLI_insertlinkbefore(&ob->modifiers, md, modifier_new(eModifierType_Softbody));
				}
				else {
					BLI_addhead(&ob->modifiers, modifier_new(eModifierType_Softbody));
				}

				ob->softflag &= ~OB_SB_ENABLE;
			}

			if (ob->pose) {
				bPoseChannel *pchan;
				bConstraint *con;
				for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
					/* note, pchan->bone is also lib-link stuff */
					if (pchan->limitmin[0] == 0.0f && pchan->limitmax[0] == 0.0f) {
						pchan->limitmin[0] = pchan->limitmin[1] = pchan->limitmin[2] = -180.0f;
						pchan->limitmax[0] = pchan->limitmax[1] = pchan->limitmax[2] = 180.0f;

						for (con = pchan->constraints.first; con; con = con->next) {
							if (con->type == CONSTRAINT_TYPE_KINEMATIC) {
								bKinematicConstraint *data = (bKinematicConstraint *)con->data;
								data->weight = 1.0f;
								data->orientweight = 1.0f;
								data->flag &= ~CONSTRAINT_IK_ROT;

								/* enforce conversion from old IK_TOPARENT to rootbone index */
								data->rootbone = -1;

								/* update_pose_etc handles rootbone == -1 */
								BKE_pose_tag_recalc(bmain, ob->pose);
							}
						}
					}
				}
			}

			paf = blo_do_version_give_parteff_245(ob);
			if (paf) {
				if (paf->disp == 0)
					paf->disp = 100;
				if (paf->speedtex == 0)
					paf->speedtex = 8;
				if (paf->omat == 0)
					paf->omat = 1;
			}
		}

		for (arm = bmain->armature.first; arm; arm = arm->id.next) {
			bone_version_238(&arm->bonebase);
			arm->deformflag |= ARM_DEF_VGROUP;
		}

		for (me = bmain->mesh.first; me; me = me->id.next) {
			if (!me->medge) {
				BKE_mesh_calc_edges_legacy(me, true);  /* true = use mface->edcode */
			}
			else {
				BKE_mesh_strip_loose_faces(me);
			}
		}

		for (key = bmain->key.first; key; key = key->id.next) {
			KeyBlock *kb;
			int index = 1;

			for (kb = key->block.first; kb; kb = kb->next) {
				if (kb == key->refkey) {
					if (kb->name[0] == 0)
						strcpy(kb->name, "Basis");
				}
				else {
					if (kb->name[0] == 0) {
						BLI_snprintf(kb->name, sizeof(kb->name), "Key %d", index);
					}
					index++;
				}
			}
		}
	}

	if (bmain->versionfile <= 239) {
		bArmature *arm;
		Object *ob;
		Scene *sce = bmain->scene.first;
		Camera *cam = bmain->camera.first;
		int set_passepartout = 0;

		/* deformflag is local in modifier now */
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			ModifierData *md;

			for (md = ob->modifiers.first; md; md = md->next) {
				if (md->type == eModifierType_Armature) {
					ArmatureModifierData *amd = (ArmatureModifierData *)md;
					if (amd->object && amd->deformflag == 0) {
						Object *oba = blo_do_versions_newlibadr(fd, lib, amd->object);
						arm = blo_do_versions_newlibadr(fd, lib, oba->data);
						amd->deformflag = arm->deformflag;
					}
				}
			}
		}

		/* updating stepsize for ghost drawing */
		for (arm = bmain->armature.first; arm; arm = arm->id.next) {
			bone_version_239(&arm->bonebase);
			if (arm->layer == 0)
				arm->layer = 1;
		}

		for (; sce; sce = sce->id.next) {
			if (sce->r.scemode & R_PASSEPARTOUT) {
				set_passepartout = 1;
				sce->r.scemode &= ~R_PASSEPARTOUT;
			}
		}

		for (; cam; cam = cam->id.next) {
			if (set_passepartout)
				cam->flag |= CAM_SHOWPASSEPARTOUT;

			/* make sure old cameras have title safe on */
			if (!(cam->flag & CAM_SHOW_SAFE_MARGINS))
				cam->flag |= CAM_SHOW_SAFE_MARGINS;

			/* set an appropriate camera passepartout alpha */
			if (!(cam->passepartalpha))
				cam->passepartalpha = 0.2f;
		}
	}

	if (bmain->versionfile <= 241) {
		Object *ob;
		Scene *sce;
		Light *la;
		bArmature *arm;
		bNodeTree *ntree;

		/* updating layers still */
		for (arm = bmain->armature.first; arm; arm = arm->id.next) {
			bone_version_239(&arm->bonebase);
			if (arm->layer == 0)
				arm->layer = 1;
		}
		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			if (sce->audio.mixrate == 0)
				sce->audio.mixrate = 48000;

			/* We don't add default layer since blender2.8 because the layers
			 * are now in Scene->view_layers and a default layer is created in
			 * the doversion later on.
			 */
			SceneRenderLayer *srl;
			/* new layer flag for sky, was default for solid */
			for (srl = sce->r.layers.first; srl; srl = srl->next) {
				if (srl->layflag & SCE_LAY_SOLID)
					srl->layflag |= SCE_LAY_SKY;
				srl->passflag &= (SCE_PASS_COMBINED | SCE_PASS_Z | SCE_PASS_NORMAL | SCE_PASS_VECTOR);
			}

			/* node version changes */
			if (sce->nodetree)
				ntree_version_241(sce->nodetree);

			/* uv calculation options moved to toolsettings */
			if (sce->toolsettings->unwrapper == 0) {
				sce->toolsettings->uvcalc_flag = UVCALC_FILLHOLES;
				sce->toolsettings->unwrapper = 1;
			}
		}

		for (ntree = bmain->nodetree.first; ntree; ntree = ntree->id.next)
			ntree_version_241(ntree);

		for (la = bmain->light.first; la; la = la->id.next)
			if (la->buffers == 0)
				la->buffers = 1;

		/* for empty drawsize and drawtype */
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->empty_drawsize == 0.0f) {
				ob->empty_drawtype = OB_ARROWS;
				ob->empty_drawsize = 1.0;
			}
		}

		/* during 2.41 images with this name were used for viewer node output, lets fix that */
		if (bmain->versionfile == 241) {
			Image *ima;
			for (ima = bmain->image.first; ima; ima = ima->id.next) {
				if (STREQ(ima->name, "Compositor")) {
					strcpy(ima->id.name + 2, "Viewer Node");
					strcpy(ima->name, "Viewer Node");
				}
			}
		}
	}

	if (bmain->versionfile <= 242) {
		Scene *sce;
		bScreen *sc;
		Object *ob;
		Curve *cu;
		Material *ma;
		Mesh *me;
		Collection *collection;
		Nurb *nu;
		BezTriple *bezt;
		BPoint *bp;
		bNodeTree *ntree;
		int a;

		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;
			sa = sc->areabase.first;
			while (sa) {
				SpaceLink *sl;

				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					if (sl->spacetype == SPACE_VIEW3D) {
						View3D *v3d = (View3D *)sl;
						if (v3d->gridsubdiv == 0)
							v3d->gridsubdiv = 10;
					}
				}
				sa = sa->next;
			}
		}

		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			enum {
				R_THREADS = (1 << 19),
			};
			if (sce->toolsettings->select_thresh == 0.0f)
				sce->toolsettings->select_thresh = 0.01f;
			if (sce->r.threads == 0) {
				if (sce->r.mode & R_THREADS)
					sce->r.threads = 2;
				else
					sce->r.threads = 1;
			}
			if (sce->nodetree)
				ntree_version_242(sce->nodetree);
		}

		for (ntree = bmain->nodetree.first; ntree; ntree = ntree->id.next)
			ntree_version_242(ntree);

		/* add default radius values to old curve points */
		for (cu = bmain->curve.first; cu; cu = cu->id.next) {
			for (nu = cu->nurb.first; nu; nu = nu->next) {
				if (nu) {
					if (nu->bezt) {
						for (bezt = nu->bezt, a = 0; a < nu->pntsu; a++, bezt++) {
							if (!bezt->radius)
								bezt->radius = 1.0;
						}
					}
					else if (nu->bp) {
						for (bp = nu->bp, a = 0; a < nu->pntsu * nu->pntsv; a++, bp++) {
							if (!bp->radius)
								bp->radius = 1.0;
						}
					}
				}
			}
		}

		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			ModifierData *md;
			ListBase *list;
			list = &ob->constraints;

			/* check for already existing MinMax (floor) constraint
			 * and update the sticky flagging */

			if (list) {
				bConstraint *curcon;
				for (curcon = list->first; curcon; curcon = curcon->next) {
					switch (curcon->type) {
						case CONSTRAINT_TYPE_MINMAX:
						{
							bMinMaxConstraint *data = curcon->data;
							if (data->sticky == 1)
								data->flag |= MINMAX_STICKY;
							else
								data->flag &= ~MINMAX_STICKY;

							break;
						}
						case CONSTRAINT_TYPE_ROTLIKE:
						{
							bRotateLikeConstraint *data = curcon->data;

							/* version patch from buttons_object.c */
							if (data->flag == 0)
								data->flag = ROTLIKE_X | ROTLIKE_Y | ROTLIKE_Z;

							break;
						}
					}
				}
			}

			if (ob->type == OB_ARMATURE) {
				if (ob->pose) {
					bConstraint *curcon;
					bPoseChannel *pchan;
					for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
						for (curcon = pchan->constraints.first; curcon; curcon = curcon->next) {
							switch (curcon->type) {
								case CONSTRAINT_TYPE_MINMAX:
								{
									bMinMaxConstraint *data = curcon->data;
									if (data->sticky == 1)
										data->flag |= MINMAX_STICKY;
									else
										data->flag &= ~MINMAX_STICKY;
									break;
								}
								case CONSTRAINT_TYPE_KINEMATIC:
								{
									bKinematicConstraint *data = curcon->data;
									if (!(data->flag & CONSTRAINT_IK_POS)) {
										data->flag |= CONSTRAINT_IK_POS;
										data->flag |= CONSTRAINT_IK_STRETCH;
									}
									break;
								}
								case CONSTRAINT_TYPE_ROTLIKE:
								{
									bRotateLikeConstraint *data = curcon->data;

									/* version patch from buttons_object.c */
									if (data->flag == 0)
										data->flag = ROTLIKE_X | ROTLIKE_Y | ROTLIKE_Z;
									break;
								}
							}
						}
					}
				}
			}

			/* copy old object level track settings to curve modifers */
			for (md = ob->modifiers.first; md; md = md->next) {
				if (md->type == eModifierType_Curve) {
					CurveModifierData *cmd = (CurveModifierData *)md;

					if (cmd->defaxis == 0)
						cmd->defaxis = ob->trackflag + 1;
				}
			}

		}

		for (ma = bmain->mat.first; ma; ma = ma->id.next) {
			if (ma->nodetree)
				ntree_version_242(ma->nodetree);
		}

		for (me = bmain->mesh.first; me; me = me->id.next)
			customdata_version_242(me);

		for (collection = bmain->collection.first; collection; collection = collection->id.next)
			if (collection->layer == 0)
				collection->layer = (1 << 20) - 1;

		/* now, subversion control! */
		if (bmain->subversionfile < 3) {
			Image *ima;
			Tex *tex;

			/* Image refactor initialize */
			for (ima = bmain->image.first; ima; ima = ima->id.next) {
				ima->source = IMA_SRC_FILE;
				ima->type = IMA_TYPE_IMAGE;

				ima->gen_x = 256; ima->gen_y = 256;
				ima->gen_type = 1;

				if (STREQLEN(ima->id.name + 2, "Viewer Node", sizeof(ima->id.name) - 2)) {
					ima->source = IMA_SRC_VIEWER;
					ima->type = IMA_TYPE_COMPOSITE;
				}
				if (STREQLEN(ima->id.name + 2, "Render Result", sizeof(ima->id.name) - 2)) {
					ima->source = IMA_SRC_VIEWER;
					ima->type = IMA_TYPE_R_RESULT;
				}

			}
			for (tex = bmain->tex.first; tex; tex = tex->id.next) {
				enum {
					TEX_ANIMCYCLIC = (1 << 6),
					TEX_ANIM5 = (1 << 7),
				};

				if (tex->type == TEX_IMAGE && tex->ima) {
					ima = blo_do_versions_newlibadr(fd, lib, tex->ima);
					if (tex->imaflag & TEX_ANIM5) {
						ima->source = IMA_SRC_MOVIE;
					}
				}
				tex->iuser.frames = tex->frames;
				tex->iuser.offset = tex->offset;
				tex->iuser.sfra = tex->sfra;
				tex->iuser.cycl = (tex->imaflag & TEX_ANIMCYCLIC) != 0;
			}
			for (sce = bmain->scene.first; sce; sce = sce->id.next) {
				if (sce->nodetree)
					do_version_ntree_242_2(sce->nodetree);
			}
			for (ntree = bmain->nodetree.first; ntree; ntree = ntree->id.next)
				do_version_ntree_242_2(ntree);
			for (ma = bmain->mat.first; ma; ma = ma->id.next)
				if (ma->nodetree)
					do_version_ntree_242_2(ma->nodetree);
		}

		if (bmain->subversionfile < 4) {
			for (sce = bmain->scene.first; sce; sce = sce->id.next) {
				sce->r.bake_mode = 1;   /* prevent to include render stuff here */
				sce->r.bake_filter = 16;
				sce->r.bake_flag = R_BAKE_CLEAR;
			}
		}
	}

	if (bmain->versionfile <= 243) {
		Object *ob = bmain->object.first;

		for (; ob; ob = ob->id.next) {
			bDeformGroup *curdef;

			for (curdef = ob->defbase.first; curdef; curdef = curdef->next) {
				/* replace an empty-string name with unique name */
				if (curdef->name[0] == '\0') {
					defgroup_unique_name(curdef, ob);
				}
			}

			if (bmain->versionfile < 243 || bmain->subversionfile < 1) {
				ModifierData *md;

				/* translate old mirror modifier axis values to new flags */
				for (md = ob->modifiers.first; md; md = md->next) {
					if (md->type == eModifierType_Mirror) {
						MirrorModifierData *mmd = (MirrorModifierData *)md;

						switch (mmd->axis) {
							case 0:
								mmd->flag |= MOD_MIR_AXIS_X;
								break;
							case 1:
								mmd->flag |= MOD_MIR_AXIS_Y;
								break;
							case 2:
								mmd->flag |= MOD_MIR_AXIS_Z;
								break;
						}

						mmd->axis = 0;
					}
				}
			}
		}

		/* render layer added, this is not the active layer */
		if (bmain->versionfile <= 243 || bmain->subversionfile < 2) {
			Mesh *me;
			for (me = bmain->mesh.first; me; me = me->id.next)
				customdata_version_243(me);
		}

	}

	if (bmain->versionfile <= 244) {
		bScreen *sc;

		if (bmain->versionfile != 244 || bmain->subversionfile < 2) {
			/* correct older action editors - incorrect scrolling */
			for (sc = bmain->screen.first; sc; sc = sc->id.next) {
				ScrArea *sa;
				sa = sc->areabase.first;
				while (sa) {
					SpaceLink *sl;

					for (sl = sa->spacedata.first; sl; sl = sl->next) {
						if (sl->spacetype == SPACE_ACTION) {
							SpaceAction *saction = (SpaceAction *)sl;

							saction->v2d.tot.ymin = -1000.0;
							saction->v2d.tot.ymax = 0.0;

							saction->v2d.cur.ymin = -75.0;
							saction->v2d.cur.ymax = 5.0;
						}
					}
					sa = sa->next;
				}
			}
		}
	}

	if (bmain->versionfile <= 245) {
		Scene *sce;
		Object *ob;
		Image *ima;
		Light *la;
		Material *ma;
		ParticleSettings *part;
		Mesh *me;
		bNodeTree *ntree;
		Tex *tex;
		ModifierData *md;
		ParticleSystem *psys;

		/* unless the file was created 2.44.3 but not 2.45, update the constraints */
		if (!(bmain->versionfile == 244 && bmain->subversionfile == 3) &&
		    ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile == 0)) )
		{
			for (ob = bmain->object.first; ob; ob = ob->id.next) {
				ListBase *list;
				list = &ob->constraints;

				/* fix up constraints due to constraint recode changes (originally at 2.44.3) */
				if (list) {
					bConstraint *curcon;
					for (curcon = list->first; curcon; curcon = curcon->next) {
						/* old CONSTRAINT_LOCAL check -> convert to CONSTRAINT_SPACE_LOCAL */
						if (curcon->flag & 0x20) {
							curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
							curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
						}

						switch (curcon->type) {
							case CONSTRAINT_TYPE_LOCLIMIT:
							{
								bLocLimitConstraint *data = (bLocLimitConstraint *)curcon->data;

								/* old limit without parent option for objects */
								if (data->flag2)
									curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
								break;
							}
						}
					}
				}

				/* correctly initialize constinv matrix */
				unit_m4(ob->constinv);

				if (ob->type == OB_ARMATURE) {
					if (ob->pose) {
						bConstraint *curcon;
						bPoseChannel *pchan;

						for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
							/* make sure constraints are all up to date */
							for (curcon = pchan->constraints.first; curcon; curcon = curcon->next) {
								/* old CONSTRAINT_LOCAL check -> convert to CONSTRAINT_SPACE_LOCAL */
								if (curcon->flag & 0x20) {
									curcon->ownspace = CONSTRAINT_SPACE_LOCAL;
									curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
								}

								switch (curcon->type) {
									case CONSTRAINT_TYPE_ACTION:
									{
										bActionConstraint *data = (bActionConstraint *)curcon->data;

										/* 'data->local' used to mean that target was in local-space */
										if (data->local)
											curcon->tarspace = CONSTRAINT_SPACE_LOCAL;
										break;
									}
								}
							}

							/* correctly initialize constinv matrix */
							unit_m4(pchan->constinv);
						}
					}
				}
			}
		}

		/* fix all versions before 2.45 */
		if (bmain->versionfile != 245) {

			/* repair preview from 242 - 244*/
			for (ima = bmain->image.first; ima; ima = ima->id.next) {
				ima->preview = NULL;
			}
		}

		/* add point caches */
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->soft && !ob->soft->pointcache)
				ob->soft->pointcache = BKE_ptcache_add(&ob->soft->ptcaches);

			for (psys = ob->particlesystem.first; psys; psys = psys->next) {
				if (psys->pointcache) {
					if (psys->pointcache->flag & PTCACHE_BAKED && (psys->pointcache->flag & PTCACHE_DISK_CACHE) == 0) {
						printf("Old memory cache isn't supported for particles, so re-bake the simulation!\n");
						psys->pointcache->flag &= ~PTCACHE_BAKED;
					}
				}
				else
					psys->pointcache = BKE_ptcache_add(&psys->ptcaches);
			}

			for (md = ob->modifiers.first; md; md = md->next) {
				if (md->type == eModifierType_Cloth) {
					ClothModifierData *clmd = (ClothModifierData *)md;
					if (!clmd->point_cache) {
						clmd->point_cache = BKE_ptcache_add(&clmd->ptcaches);
						clmd->point_cache->step = 1;
					}
				}
			}
		}

		/* Copy over old per-level multires vertex data
		 * into a single vertex array in struct Multires */
		for (me = bmain->mesh.first; me; me = me->id.next) {
			if (me->mr && !me->mr->verts) {
				MultiresLevel *lvl = me->mr->levels.last;
				if (lvl) {
					me->mr->verts = lvl->verts;
					lvl->verts = NULL;
					/* Don't need the other vert arrays */
					for (lvl = lvl->prev; lvl; lvl = lvl->prev) {
						MEM_freeN(lvl->verts);
						lvl->verts = NULL;
					}
				}
			}
		}

		if (bmain->versionfile != 245 || bmain->subversionfile < 1) {
			for (la = bmain->light.first; la; la = la->id.next) {
				la->falloff_type = LA_FALLOFF_INVLINEAR;

				if (la->curfalloff == NULL) {
					la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
					curvemapping_initialize(la->curfalloff);
				}
			}
		}

		for (ma = bmain->mat.first; ma; ma = ma->id.next) {
			if (ma->gloss_mir == 0.0f) {
				ma->gloss_mir = 1.0f;
			}
		}

		for (part = bmain->particle.first; part; part = part->id.next) {
			if (part->ren_child_nbr == 0)
				part->ren_child_nbr = part->child_nbr;
		}

		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			if (sce->nodetree)
				ntree_version_245(fd, lib, sce->nodetree);

			if (sce->r.simplify_subsurf == 0) {
				sce->r.simplify_subsurf = 6;
				sce->r.simplify_particles = 1.0f;
			}
		}

		for (ntree = bmain->nodetree.first; ntree; ntree = ntree->id.next)
			ntree_version_245(fd, lib, ntree);

		/* fix for temporary flag changes during 245 cycle */
		for (ima = bmain->image.first; ima; ima = ima->id.next) {
			if (ima->flag & IMA_OLD_PREMUL) {
				ima->flag &= ~IMA_OLD_PREMUL;
				ima->alpha_mode = IMA_ALPHA_STRAIGHT;
			}
		}

		for (tex = bmain->tex.first; tex; tex = tex->id.next) {
			if (tex->iuser.flag & IMA_OLD_PREMUL) {
				tex->iuser.flag &= ~IMA_OLD_PREMUL;
			}

			ima = blo_do_versions_newlibadr(fd, lib, tex->ima);
			if (ima && (tex->iuser.flag & IMA_DO_PREMUL)) {
				ima->flag &= ~IMA_OLD_PREMUL;
				ima->alpha_mode = IMA_ALPHA_STRAIGHT;
			}
		}
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 2)) {
		Image *ima;

		/* initialize 1:1 Aspect */
		for (ima = bmain->image.first; ima; ima = ima->id.next) {
			ima->aspx = ima->aspy = 1.0f;
		}
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 4)) {
		bArmature *arm;
		ModifierData *md;
		Object *ob;

		for (arm = bmain->armature.first; arm; arm = arm->id.next)
			arm->deformflag |= ARM_DEF_B_BONE_REST;

		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			for (md = ob->modifiers.first; md; md = md->next) {
				if (md->type == eModifierType_Armature)
					((ArmatureModifierData *)md)->deformflag |= ARM_DEF_B_BONE_REST;
			}
		}
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 5)) {
		/* foreground color needs to be something other then black */
		Scene *sce;
		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			sce->r.fg_stamp[0] = sce->r.fg_stamp[1] = sce->r.fg_stamp[2] = 0.8f;
			sce->r.fg_stamp[3] = 1.0f; /* don't use text alpha yet */
			sce->r.bg_stamp[3] = 0.25f; /* make sure the background has full alpha */
		}
	}


	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 6)) {
		Scene *sce;
		/* fix frs_sec_base */
		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			if (sce->r.frs_sec_base == 0) {
				sce->r.frs_sec_base = 1;
			}
		}
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 7)) {
		Object *ob;
		bPoseChannel *pchan;

		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->pose) {
				for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
					do_version_constraints_245(&pchan->constraints);
				}
			}
			do_version_constraints_245(&ob->constraints);

			if (ob->soft && ob->soft->keys) {
				SoftBody *sb = ob->soft;
				int k;

				for (k = 0; k < sb->totkey; k++) {
					if (sb->keys[k])
						MEM_freeN(sb->keys[k]);
				}

				MEM_freeN(sb->keys);

				sb->keys = NULL;
				sb->totkey = 0;
			}
		}
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 8)) {
		Scene *sce;
		Object *ob;
		PartEff *paf = NULL;

		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->soft && ob->soft->keys) {
				SoftBody *sb = ob->soft;
				int k;

				for (k = 0; k < sb->totkey; k++) {
					if (sb->keys[k])
						MEM_freeN(sb->keys[k]);
				}

				MEM_freeN(sb->keys);

				sb->keys = NULL;
				sb->totkey = 0;
			}

			/* convert old particles to new system */
			if ((paf = blo_do_version_give_parteff_245(ob))) {
				ParticleSystem *psys;
				ModifierData *md;
				ParticleSystemModifierData *psmd;
				ParticleSettings *part;

				/* create new particle system */
				psys = MEM_callocN(sizeof(ParticleSystem), "particle_system");
				psys->pointcache = BKE_ptcache_add(&psys->ptcaches);

				part = psys->part = BKE_particlesettings_add(bmain, "ParticleSettings");

				/* needed for proper libdata lookup */
				blo_do_versions_oldnewmap_insert(fd->libmap, psys->part, psys->part, 0);
				part->id.lib = ob->id.lib;

				part->id.us--;
				part->id.tag |= (ob->id.tag & LIB_TAG_NEED_LINK);

				psys->totpart = 0;
				psys->flag = PSYS_CURRENT;

				BLI_addtail(&ob->particlesystem, psys);

				md = modifier_new(eModifierType_ParticleSystem);
				BLI_snprintf(md->name, sizeof(md->name), "ParticleSystem %i", BLI_listbase_count(&ob->particlesystem));
				psmd = (ParticleSystemModifierData *)md;
				psmd->psys = psys;
				BLI_addtail(&ob->modifiers, md);

				/* convert settings from old particle system */
				/* general settings */
				part->totpart = MIN2(paf->totpart, 100000);
				part->sta = paf->sta;
				part->end = paf->end;
				part->lifetime = paf->lifetime;
				part->randlife = paf->randlife;
				psys->seed = paf->seed;
				part->disp = paf->disp;
				part->omat = paf->mat[0];
				part->hair_step = paf->totkey;

				part->eff_group = paf->group;

				/* old system didn't interpolate between keypoints at render time */
				part->draw_step = part->ren_step = 0;

				/* physics */
				part->normfac = paf->normfac * 25.0f;
				part->obfac = paf->obfac;
				part->randfac = paf->randfac * 25.0f;
				part->dampfac = paf->damp;
				copy_v3_v3(part->acc, paf->force);

				/* flags */
				if (paf->stype & PAF_VECT) {
					if (paf->flag & PAF_STATIC) {
						/* new hair lifetime is always 100.0f */
						float fac = paf->lifetime / 100.0f;

						part->draw_as = PART_DRAW_PATH;
						part->type = PART_HAIR;
						psys->recalc |= ID_RECALC_PSYS_REDO;

						part->normfac *= fac;
						part->randfac *= fac;
					}
					else {
						part->draw_as = PART_DRAW_LINE;
						part->draw |= PART_DRAW_VEL_LENGTH;
						part->draw_line[1] = 0.04f;
					}
				}

				part->rotmode = PART_ROT_VEL;

				part->flag |= (paf->flag & PAF_BSPLINE) ? PART_HAIR_BSPLINE : 0;
				part->flag |= (paf->flag & PAF_TRAND) ? PART_TRAND : 0;
				part->flag |= (paf->flag & PAF_EDISTR) ? PART_EDISTR : 0;
				part->flag |= (paf->flag & PAF_UNBORN) ? PART_UNBORN : 0;
				part->flag |= (paf->flag & PAF_DIED) ? PART_DIED : 0;
				part->from |= (paf->flag & PAF_FACE) ? PART_FROM_FACE : 0;
				part->draw |= (paf->flag & PAF_SHOWE) ? PART_DRAW_EMITTER : 0;

				psys->vgroup[PSYS_VG_DENSITY] = paf->vertgroup;
				psys->vgroup[PSYS_VG_VEL] = paf->vertgroup_v;
				psys->vgroup[PSYS_VG_LENGTH] = paf->vertgroup_v;

				/* dupliobjects */
				if (ob->transflag & OB_DUPLIVERTS) {
					Object *dup = bmain->object.first;

					for (; dup; dup = dup->id.next) {
						if (ob == blo_do_versions_newlibadr(fd, lib, dup->parent)) {
							part->instance_object = dup;
							ob->transflag |= OB_DUPLIPARTS;
							ob->transflag &= ~OB_DUPLIVERTS;

							part->draw_as = PART_DRAW_OB;

							/* needed for proper libdata lookup */
							blo_do_versions_oldnewmap_insert(fd->libmap, dup, dup, 0);
						}
					}
				}

				{
					FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(ob, eModifierType_Fluidsim);
					if (fluidmd && fluidmd->fss && fluidmd->fss->type == OB_FLUIDSIM_PARTICLE)
						part->type = PART_FLUID;
				}

				do_version_free_effects_245(&ob->effect);

				printf("Old particle system converted to new system.\n");
			}
		}

		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			ParticleEditSettings *pset = &sce->toolsettings->particle;
			int a;

			if (pset->brush[0].size == 0) {
				pset->flag = PE_KEEP_LENGTHS | PE_LOCK_FIRST | PE_DEFLECT_EMITTER;
				pset->emitterdist = 0.25f;
				pset->totrekey = 5;
				pset->totaddkey = 5;
				pset->brushtype = PE_BRUSH_NONE;

				for (a = 0; a < ARRAY_SIZE(pset->brush); a++) {
					pset->brush[a].strength = 50;
					pset->brush[a].size = 50;
					pset->brush[a].step = 10;
				}

				pset->brush[PE_BRUSH_CUT].strength = 100;
			}
		}
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 10)) {
		Object *ob;

		/* dupliface scale */
		for (ob = bmain->object.first; ob; ob = ob->id.next)
			ob->instance_faces_scale = 1.0f;
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 11)) {
		Object *ob;
		bActionStrip *strip;

		/* nla-strips - scale */
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			for (strip = ob->nlastrips.first; strip; strip = strip->next) {
				float length, actlength, repeat;

				if (strip->flag & ACTSTRIP_USESTRIDE)
					repeat = 1.0f;
				else
					repeat = strip->repeat;

				length = strip->end - strip->start;
				if (length == 0.0f)
					length = 1.0f;
				actlength = strip->actend - strip->actstart;

				strip->scale = length / (repeat * actlength);
				if (strip->scale == 0.0f)
					strip->scale = 1.0f;
			}
			if (ob->soft) {
				ob->soft->inpush =  ob->soft->inspring;
				ob->soft->shearstiff = 1.0f;
			}
		}
	}

	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 14)) {
		Scene *sce;
		Sequence *seq;

		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			SEQ_BEGIN (sce->ed, seq)
			{
				if (seq->blend_mode == 0)
					seq->blend_opacity = 100.0f;
			} SEQ_END;
		}
	}

	/* fix broken group lengths in id properties */
	if ((bmain->versionfile < 245) || (bmain->versionfile == 245 && bmain->subversionfile < 15)) {
		idproperties_fix_group_lengths(bmain->scene);
		idproperties_fix_group_lengths(bmain->library);
		idproperties_fix_group_lengths(bmain->object);
		idproperties_fix_group_lengths(bmain->mesh);
		idproperties_fix_group_lengths(bmain->curve);
		idproperties_fix_group_lengths(bmain->mball);
		idproperties_fix_group_lengths(bmain->mat);
		idproperties_fix_group_lengths(bmain->tex);
		idproperties_fix_group_lengths(bmain->image);
		idproperties_fix_group_lengths(bmain->lattice);
		idproperties_fix_group_lengths(bmain->light);
		idproperties_fix_group_lengths(bmain->camera);
		idproperties_fix_group_lengths(bmain->ipo);
		idproperties_fix_group_lengths(bmain->key);
		idproperties_fix_group_lengths(bmain->world);
		idproperties_fix_group_lengths(bmain->screen);
		idproperties_fix_group_lengths(bmain->vfont);
		idproperties_fix_group_lengths(bmain->text);
		idproperties_fix_group_lengths(bmain->sound);
		idproperties_fix_group_lengths(bmain->collection);
		idproperties_fix_group_lengths(bmain->armature);
		idproperties_fix_group_lengths(bmain->action);
		idproperties_fix_group_lengths(bmain->nodetree);
		idproperties_fix_group_lengths(bmain->brush);
		idproperties_fix_group_lengths(bmain->particle);
	}

	/* convert fluids to modifier */
	if (bmain->versionfile < 246 || (bmain->versionfile == 246 && bmain->subversionfile < 1)) {
		Object *ob;

		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->fluidsimSettings) {
				FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifier_new(eModifierType_Fluidsim);
				BLI_addhead(&ob->modifiers, (ModifierData *)fluidmd);

				MEM_freeN(fluidmd->fss);
				fluidmd->fss = MEM_dupallocN(ob->fluidsimSettings);
				fluidmd->fss->ipo = blo_do_versions_newlibadr_us(fd, ob->id.lib, ob->fluidsimSettings->ipo);
				MEM_freeN(ob->fluidsimSettings);

				fluidmd->fss->lastgoodframe = INT_MAX;
				fluidmd->fss->flag = 0;
				fluidmd->fss->meshVelocities = NULL;
			}
		}
	}

	if (bmain->versionfile < 246 || (bmain->versionfile == 246 && bmain->subversionfile < 1)) {
		Object *ob;
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->pd && (ob->pd->forcefield == PFIELD_WIND))
				ob->pd->f_noise = 0.0f;
		}
	}

	/* set the curve radius interpolation to 2.47 default - easy */
	if (bmain->versionfile < 247 || (bmain->versionfile == 247 && bmain->subversionfile < 6)) {
		Curve *cu;
		Nurb *nu;

		for (cu = bmain->curve.first; cu; cu = cu->id.next) {
			for (nu = cu->nurb.first; nu; nu = nu->next) {
				if (nu) {
					nu->radius_interp = 3;

					/* resolu and resolv are now used differently for surfaces
					 * rather than using the resolution to define the entire number of divisions,
					 * use it for the number of divisions per segment
					 */
					if (nu->pntsv > 1) {
						nu->resolu = MAX2(1, (int)(((float)nu->resolu / (float)nu->pntsu) + 0.5f) );
						nu->resolv = MAX2(1, (int)(((float)nu->resolv / (float)nu->pntsv) + 0.5f) );
					}
				}
			}
		}
	}

	if (bmain->versionfile < 248 || (bmain->versionfile == 248 && bmain->subversionfile < 2)) {
		Scene *sce;

		/* Note, these will need to be added for painting */
		for (sce = bmain->scene.first; sce; sce = sce->id.next) {
			sce->toolsettings->imapaint.seam_bleed = 2;
			sce->toolsettings->imapaint.normal_angle = 80;
		}
	}

	if (bmain->versionfile < 248 || (bmain->versionfile == 248 && bmain->subversionfile < 3)) {
		bScreen *sc;

		/* adjust default settings for Animation Editors */
		for (sc = bmain->screen.first; sc; sc = sc->id.next) {
			ScrArea *sa;

			for (sa = sc->areabase.first; sa; sa = sa->next) {
				SpaceLink *sl;

				for (sl = sa->spacedata.first; sl; sl = sl->next) {
					switch (sl->spacetype) {
						case SPACE_ACTION:
						{
							SpaceAction *sact = (SpaceAction *)sl;

							sact->mode = SACTCONT_DOPESHEET;
							sact->autosnap = SACTSNAP_FRAME;
							break;
						}
						case SPACE_GRAPH:
						{
							SpaceGraph *sipo = (SpaceGraph *)sl;
							sipo->autosnap = SACTSNAP_FRAME;
							break;
						}
						case SPACE_NLA:
						{
							SpaceNla *snla = (SpaceNla *)sl;
							snla->autosnap = SACTSNAP_FRAME;
							break;
						}
					}
				}
			}
		}
	}

	/* correct introduce of seed for wind force */
	if (bmain->versionfile < 249 && bmain->subversionfile < 1) {
		Object *ob;
		for (ob = bmain->object.first; ob; ob = ob->id.next) {
			if (ob->pd)
				ob->pd->seed = ((uint)(ceil(PIL_check_seconds_timer())) + 1) % 128;
		}

	}

	if (bmain->versionfile < 249 && bmain->subversionfile < 2) {
		Scene *sce = bmain->scene.first;
		Sequence *seq;
		Editing *ed;

		while (sce) {
			ed = sce->ed;
			if (ed) {
				SEQP_BEGIN (ed, seq)
				{
					if (seq->strip && seq->strip->proxy) {
						seq->strip->proxy->quality = 90;
					}
				} SEQ_END;
			}

			sce = sce->id.next;
		}
	}
}