annotate src/chunk.cc @ 103:45a9d493e98c
fixed the input latency issue by calling QWidget::update() instead of QGLWidget::updateGL()
update schedules an update instead of redrawing immediately.
author |
John Tsiombikas <nuclear@member.fsf.org> |
date |
Sat, 12 Sep 2015 17:40:02 +0300 |
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498ca7ac7047 |
children |
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1 /*
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2 goat3d - 3D scene, character, and animation file format library.
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3 Copyright (C) 2013-2014 John Tsiombikas <nuclear@member.fsf.org>
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU Lesser General Public License as published by
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7 the Free Software Foundation, either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18 #include "goat3d.h"
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19 #include "chunk.h"
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20
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21 using namespace g3dimpl;
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22
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23 ChunkHeader chunk_header(int id)
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24 {
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25 ChunkHeader hdr;
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26 hdr.id = id;
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27 hdr.size = sizeof hdr;
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28 return hdr;
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29 }
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30
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31 bool g3dimpl::write_chunk_header(const ChunkHeader *hdr, goat3d_io *io)
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32 {
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33 io->seek(-(long)hdr->size, SEEK_CUR, io->cls);
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34 if(io->write(hdr, sizeof *hdr, io->cls) < (long)sizeof *hdr) {
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35 return false;
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36 }
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37 return true;
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38 }
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39
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40 bool g3dimpl::read_chunk_header(ChunkHeader *hdr, goat3d_io *io)
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41 {
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42 if(io->read(hdr, sizeof *hdr, io->cls) < (long)sizeof *hdr) {
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43 return false;
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44 }
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45 return true;
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46 }
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47
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48 void g3dimpl::skip_chunk(const ChunkHeader *hdr, goat3d_io *io)
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49 {
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50 io->seek(hdr->size - sizeof *hdr, SEEK_CUR, io->cls);
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51 }
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