1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* 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.
* blenloader readfile private function prototypes
*/
/** \file
* \ingroup blenloader
*/
#pragma once
#ifdef WIN32
# include "BLI_winstuff.h"
#endif
#include "DNA_sdna_types.h"
#include "DNA_space_types.h"
#include "DNA_windowmanager_types.h" /* for ReportType */
#include "zlib.h"
struct BLOCacheStorage;
struct GSet;
struct IDNameLib_Map;
struct Key;
struct MemFile;
struct Object;
struct OldNewMap;
struct PartEff;
struct ReportList;
struct View3D;
typedef struct IDNameLib_Map IDNameLib_Map;
enum eFileDataFlag {
FD_FLAGS_SWITCH_ENDIAN = 1 << 0,
FD_FLAGS_FILE_POINTSIZE_IS_4 = 1 << 1,
FD_FLAGS_POINTSIZE_DIFFERS = 1 << 2,
FD_FLAGS_FILE_OK = 1 << 3,
FD_FLAGS_NOT_MY_BUFFER = 1 << 4,
/* XXX Unused in practice (checked once but never set). */
FD_FLAGS_NOT_MY_LIBMAP = 1 << 5,
};
/* Disallow since it's 32bit on ms-windows. */
#ifdef __GNUC__
# pragma GCC poison off_t
#endif
#if defined(_MSC_VER) || defined(__APPLE__) || defined(__HAIKU__) || defined(__NetBSD__)
typedef int64_t off64_t;
#endif
typedef ssize_t(FileDataReadFn)(struct FileData *filedata,
void *buffer,
size_t size,
bool *r_is_memchunk_identical);
typedef off64_t(FileDataSeekFn)(struct FileData *filedata, off64_t offset, int whence);
typedef struct FileData {
/** Linked list of BHeadN's. */
ListBase bhead_list;
enum eFileDataFlag flags;
bool is_eof;
size_t buffersize;
off64_t file_offset;
FileDataReadFn *read;
FileDataSeekFn *seek;
/** Regular file reading. */
int filedes;
/** Variables needed for reading from memory / stream. */
const char *buffer;
/** Variables needed for reading from memfile (undo). */
struct MemFile *memfile;
/** Whether we are undoing (< 0) or redoing (> 0), used to choose which 'unchanged' flag to use
* to detect unchanged data from memfile. */
short undo_direction;
/** Variables needed for reading from file. */
gzFile gzfiledes;
/** Gzip stream for memory decompression. */
z_stream strm;
/** Now only in use for library appending. */
char relabase[FILE_MAX];
/** General reading variables. */
struct SDNA *filesdna;
const struct SDNA *memsdna;
/** Array of #eSDNA_StructCompare. */
const char *compflags;
struct DNA_ReconstructInfo *reconstruct_info;
int fileversion;
/** Used to retrieve ID names from (bhead+1). */
int id_name_offs;
/** For do_versions patching. */
int globalf, fileflags;
/** Optionally skip some data-blocks when they're not needed. */
eBLOReadSkip skip_flags;
struct OldNewMap *datamap;
struct OldNewMap *globmap;
struct OldNewMap *libmap;
struct OldNewMap *packedmap;
struct BLOCacheStorage *cache_storage;
struct BHeadSort *bheadmap;
int tot_bheadmap;
/** See: #USE_GHASH_BHEAD. */
struct GHash *bhead_idname_hash;
ListBase *mainlist;
/** Used for undo. */
ListBase *old_mainlist;
struct IDNameLib_Map *old_idmap;
struct ReportList *reports;
} FileData;
#define SIZEOFBLENDERHEADER 12
/***/
struct Main;
void blo_join_main(ListBase *mainlist);
void blo_split_main(ListBase *mainlist, struct Main *main);
BlendFileData *blo_read_file_internal(FileData *fd, const char *filepath);
FileData *blo_filedata_from_file(const char *filepath, struct ReportList *reports);
FileData *blo_filedata_from_memory(const void *mem, int memsize, struct ReportList *reports);
FileData *blo_filedata_from_memfile(struct MemFile *memfile,
const struct BlendFileReadParams *params,
struct ReportList *reports);
void blo_clear_proxy_pointers_from_lib(struct Main *oldmain);
void blo_make_packed_pointer_map(FileData *fd, struct Main *oldmain);
void blo_end_packed_pointer_map(FileData *fd, struct Main *oldmain);
void blo_add_library_pointer_map(ListBase *old_mainlist, FileData *fd);
void blo_make_old_idmap_from_main(FileData *fd, struct Main *bmain);
void blo_cache_storage_init(FileData *fd, struct Main *bmain);
void blo_cache_storage_old_bmain_clear(FileData *fd, struct Main *bmain_old);
void blo_cache_storage_end(FileData *fd);
void blo_filedata_free(FileData *fd);
BHead *blo_bhead_first(FileData *fd);
BHead *blo_bhead_next(FileData *fd, BHead *thisblock);
BHead *blo_bhead_prev(FileData *fd, BHead *thisblock);
const char *blo_bhead_id_name(const FileData *fd, const BHead *bhead);
/* do versions stuff */
void blo_reportf_wrap(struct ReportList *reports, ReportType type, const char *format, ...)
ATTR_PRINTF_FORMAT(3, 4);
void blo_do_versions_dna(struct SDNA *sdna, const int versionfile, const int subversionfile);
void blo_do_versions_oldnewmap_insert(struct OldNewMap *onm,
const void *oldaddr,
void *newaddr,
int nr);
void *blo_do_versions_newlibadr(struct FileData *fd, const void *lib, const void *adr);
void *blo_do_versions_newlibadr_us(struct FileData *fd, const void *lib, const void *adr);
struct PartEff *blo_do_version_give_parteff_245(struct Object *ob);
void blo_do_version_old_trackto_to_constraints(struct Object *ob);
void blo_do_versions_view3d_split_250(struct View3D *v3d, struct ListBase *regions);
void blo_do_versions_key_uidgen(struct Key *key);
void blo_do_versions_pre250(struct FileData *fd, struct Library *lib, struct Main *bmain);
void blo_do_versions_250(struct FileData *fd, struct Library *lib, struct Main *bmain);
void blo_do_versions_260(struct FileData *fd, struct Library *lib, struct Main *bmain);
void blo_do_versions_270(struct FileData *fd, struct Library *lib, struct Main *bmain);
void blo_do_versions_280(struct FileData *fd, struct Library *lib, struct Main *bmain);
void blo_do_versions_290(struct FileData *fd, struct Library *lib, struct Main *bmain);
void blo_do_versions_cycles(struct FileData *fd, struct Library *lib, struct Main *bmain);
void do_versions_after_linking_250(struct Main *bmain);
void do_versions_after_linking_260(struct Main *bmain);
void do_versions_after_linking_270(struct Main *bmain);
void do_versions_after_linking_280(struct Main *bmain, struct ReportList *reports);
void do_versions_after_linking_290(struct Main *bmain, struct ReportList *reports);
void do_versions_after_linking_cycles(struct Main *bmain);
/* This is rather unfortunate to have to expose this here, but better use that nasty hack in
* do_version than readfile itself. */
void *blo_read_get_new_globaldata_address(struct FileData *fd, const void *adr);
|