goat3d

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[maxgoat] fixed the transform export bug [goatview] added widgets for the animation controls [goatview] added a grid ground plane with automatic sizing and transitions from size to size
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 17 May 2014 06:26:24 +0300
parents 498ca7ac7047
children
line source
1 /*
2 goat3d - 3D scene, character, and animation file format library.
3 Copyright (C) 2013-2014 John Tsiombikas <nuclear@member.fsf.org>
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18 #include "goat3d.h"
19 #include "chunk.h"
20
21 using namespace g3dimpl;
22
23 ChunkHeader chunk_header(int id)
24 {
25 ChunkHeader hdr;
26 hdr.id = id;
27 hdr.size = sizeof hdr;
28 return hdr;
29 }
30
31 bool g3dimpl::write_chunk_header(const ChunkHeader *hdr, goat3d_io *io)
32 {
33 io->seek(-(long)hdr->size, SEEK_CUR, io->cls);
34 if(io->write(hdr, sizeof *hdr, io->cls) < (long)sizeof *hdr) {
35 return false;
36 }
37 return true;
38 }
39
40 bool g3dimpl::read_chunk_header(ChunkHeader *hdr, goat3d_io *io)
41 {
42 if(io->read(hdr, sizeof *hdr, io->cls) < (long)sizeof *hdr) {
43 return false;
44 }
45 return true;
46 }
47
48 void g3dimpl::skip_chunk(const ChunkHeader *hdr, goat3d_io *io)
49 {
50 io->seek(hdr->size - sizeof *hdr, SEEK_CUR, io->cls);
51 }