ef5a41a89d
- Previous commit had a line of code of WIP project in it... tss - Packed Library data was not freed - Removed recent (post 2.65a) code to exclude packed data from Undo system. It's internal data thats part of file spec, errors happen for example on restoring quit.blend or temp saves.
356 lines
8.5 KiB
C
356 lines
8.5 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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* .blend file reading entry point
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*/
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/** \file blender/blenloader/intern/readblenentry.c
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* \ingroup blenloader
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <math.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_utildefines.h"
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#include "BLI_path_util.h"
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#include "BLI_fileops.h"
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#include "BLI_ghash.h"
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#include "BLI_linklist.h"
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#include "BLI_listbase.h"
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#include "BLI_string.h"
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#include "DNA_genfile.h"
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#include "DNA_sdna_types.h"
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#include "BKE_main.h"
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#include "BKE_library.h" // for free_main
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#include "BKE_idcode.h"
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#include "BKE_report.h"
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#include "BLO_readfile.h"
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#include "BLO_undofile.h"
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#include "BLO_blend_defs.h"
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#include "readfile.h"
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#include "BLO_sys_types.h" // needed for intptr_t
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#ifdef WIN32
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# include "BLI_winstuff.h"
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#endif
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/* local prototypes --------------------- */
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void BLO_blendhandle_print_sizes(BlendHandle *, void *);
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/* Access routines used by filesel. */
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BlendHandle *BLO_blendhandle_from_file(char *file, ReportList *reports)
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{
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BlendHandle *bh;
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bh = (BlendHandle *)blo_openblenderfile(file, reports);
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return bh;
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}
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BlendHandle *BLO_blendhandle_from_memory(void *mem, int memsize)
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{
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BlendHandle *bh;
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bh = (BlendHandle *)blo_openblendermemory(mem, memsize, NULL);
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return bh;
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}
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void BLO_blendhandle_print_sizes(BlendHandle *bh, void *fp)
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{
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FileData *fd = (FileData *) bh;
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BHead *bhead;
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fprintf(fp, "[\n");
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for (bhead = blo_firstbhead(fd); bhead; bhead = blo_nextbhead(fd, bhead)) {
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if (bhead->code == ENDB)
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break;
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else {
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short *sp = fd->filesdna->structs[bhead->SDNAnr];
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char *name = fd->filesdna->types[sp[0]];
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char buf[4];
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buf[0] = (bhead->code >> 24) & 0xFF;
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buf[1] = (bhead->code >> 16) & 0xFF;
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buf[2] = (bhead->code >> 8) & 0xFF;
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buf[3] = (bhead->code >> 0) & 0xFF;
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buf[0] = buf[0] ? buf[0] : ' ';
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buf[1] = buf[1] ? buf[1] : ' ';
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buf[2] = buf[2] ? buf[2] : ' ';
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buf[3] = buf[3] ? buf[3] : ' ';
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fprintf(fp, "['%.4s', '%s', %d, %ld ],\n", buf, name, bhead->nr, (long int)(bhead->len + sizeof(BHead)));
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}
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}
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fprintf(fp, "]\n");
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}
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LinkNode *BLO_blendhandle_get_datablock_names(BlendHandle *bh, int ofblocktype, int *tot_names)
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{
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FileData *fd = (FileData *) bh;
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LinkNode *names = NULL;
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BHead *bhead;
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int tot = 0;
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for (bhead = blo_firstbhead(fd); bhead; bhead = blo_nextbhead(fd, bhead)) {
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if (bhead->code == ofblocktype) {
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char *idname = bhead_id_name(fd, bhead);
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BLI_linklist_prepend(&names, strdup(idname + 2));
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tot++;
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}
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else if (bhead->code == ENDB)
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break;
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}
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*tot_names = tot;
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return names;
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}
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LinkNode *BLO_blendhandle_get_previews(BlendHandle *bh, int ofblocktype, int *tot_prev)
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{
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FileData *fd = (FileData *) bh;
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LinkNode *previews = NULL;
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BHead *bhead;
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int looking = 0;
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PreviewImage *prv = NULL;
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PreviewImage *new_prv = NULL;
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int tot = 0;
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for (bhead = blo_firstbhead(fd); bhead; bhead = blo_nextbhead(fd, bhead)) {
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if (bhead->code == ofblocktype) {
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char *idname = bhead_id_name(fd, bhead);
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switch (GS(idname)) {
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case ID_MA: /* fall through */
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case ID_TE: /* fall through */
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case ID_IM: /* fall through */
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case ID_WO: /* fall through */
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case ID_LA: /* fall through */
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new_prv = MEM_callocN(sizeof(PreviewImage), "newpreview");
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BLI_linklist_prepend(&previews, new_prv);
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tot++;
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looking = 1;
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break;
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default:
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break;
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}
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}
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else if (bhead->code == DATA) {
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if (looking) {
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if (bhead->SDNAnr == DNA_struct_find_nr(fd->filesdna, "PreviewImage") ) {
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prv = BLO_library_read_struct(fd, bhead, "PreviewImage");
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if (prv) {
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memcpy(new_prv, prv, sizeof(PreviewImage));
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if (prv->rect[0]) {
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unsigned int *rect = NULL;
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new_prv->rect[0] = MEM_callocN(new_prv->w[0] * new_prv->h[0] * sizeof(unsigned int), "prvrect");
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bhead = blo_nextbhead(fd, bhead);
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rect = (unsigned int *)(bhead + 1);
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memcpy(new_prv->rect[0], rect, bhead->len);
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}
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else {
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new_prv->rect[0] = NULL;
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}
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if (prv->rect[1]) {
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unsigned int *rect = NULL;
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new_prv->rect[1] = MEM_callocN(new_prv->w[1] * new_prv->h[1] * sizeof(unsigned int), "prvrect");
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bhead = blo_nextbhead(fd, bhead);
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rect = (unsigned int *)(bhead + 1);
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memcpy(new_prv->rect[1], rect, bhead->len);
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}
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else {
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new_prv->rect[1] = NULL;
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}
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MEM_freeN(prv);
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}
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}
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}
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}
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else if (bhead->code == ENDB) {
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break;
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}
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else {
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looking = 0;
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new_prv = NULL;
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prv = NULL;
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}
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}
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*tot_prev = tot;
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return previews;
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}
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LinkNode *BLO_blendhandle_get_linkable_groups(BlendHandle *bh)
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{
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FileData *fd = (FileData *) bh;
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GHash *gathered = BLI_ghash_ptr_new("linkable_groups gh");
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LinkNode *names = NULL;
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BHead *bhead;
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for (bhead = blo_firstbhead(fd); bhead; bhead = blo_nextbhead(fd, bhead)) {
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if (bhead->code == ENDB) {
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break;
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}
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else if (BKE_idcode_is_valid(bhead->code)) {
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if (BKE_idcode_is_linkable(bhead->code)) {
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const char *str = BKE_idcode_to_name(bhead->code);
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if (!BLI_ghash_haskey(gathered, (void *)str)) {
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BLI_linklist_prepend(&names, strdup(str));
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BLI_ghash_insert(gathered, (void *)str, NULL);
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}
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}
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}
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}
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BLI_ghash_free(gathered, NULL, NULL);
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return names;
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}
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void BLO_blendhandle_close(BlendHandle *bh)
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{
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FileData *fd = (FileData *) bh;
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blo_freefiledata(fd);
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}
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/**********/
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BlendFileData *BLO_read_from_file(const char *filepath, ReportList *reports)
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{
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BlendFileData *bfd = NULL;
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FileData *fd;
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fd = blo_openblenderfile(filepath, reports);
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if (fd) {
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fd->reports = reports;
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bfd = blo_read_file_internal(fd, filepath);
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blo_freefiledata(fd);
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}
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return bfd;
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}
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BlendFileData *BLO_read_from_memory(void *mem, int memsize, ReportList *reports)
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{
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BlendFileData *bfd = NULL;
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FileData *fd;
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fd = blo_openblendermemory(mem, memsize, reports);
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if (fd) {
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fd->reports = reports;
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bfd = blo_read_file_internal(fd, "");
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blo_freefiledata(fd);
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}
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return bfd;
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}
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BlendFileData *BLO_read_from_memfile(Main *oldmain, const char *filename, MemFile *memfile, ReportList *reports)
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{
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BlendFileData *bfd = NULL;
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FileData *fd;
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ListBase mainlist;
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fd = blo_openblendermemfile(memfile, reports);
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if (fd) {
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fd->reports = reports;
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BLI_strncpy(fd->relabase, filename, sizeof(fd->relabase));
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/* clear ob->proxy_from pointers in old main */
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blo_clear_proxy_pointers_from_lib(oldmain);
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/* separate libraries from old main */
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blo_split_main(&mainlist, oldmain);
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/* add the library pointers in oldmap lookup */
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blo_add_library_pointer_map(&mainlist, fd);
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/* makes lookup of existing images in old main */
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blo_make_image_pointer_map(fd, oldmain);
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/* makes lookup of existing video clips in old main */
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blo_make_movieclip_pointer_map(fd, oldmain);
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/* removed packed data from this trick - it's internal data that needs saves */
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bfd = blo_read_file_internal(fd, filename);
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/* ensures relinked images are not freed */
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blo_end_image_pointer_map(fd, oldmain);
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/* ensures relinked movie clips are not freed */
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blo_end_movieclip_pointer_map(fd, oldmain);
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/* move libraries from old main to new main */
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if (bfd && mainlist.first != mainlist.last) {
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/* Library structs themselves */
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bfd->main->library = oldmain->library;
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oldmain->library.first = oldmain->library.last = NULL;
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/* add the Library mainlist to the new main */
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BLI_remlink(&mainlist, oldmain);
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BLI_addhead(&mainlist, bfd->main);
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}
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blo_join_main(&mainlist);
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blo_freefiledata(fd);
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}
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return bfd;
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}
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void BLO_blendfiledata_free(BlendFileData *bfd)
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{
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if (bfd->main) {
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free_main(bfd->main);
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}
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if (bfd->user) {
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MEM_freeN(bfd->user);
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}
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MEM_freeN(bfd);
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}
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