nuclear@54: /*
nuclear@54: goat3d - 3D scene, character, and animation file format library.
nuclear@54: Copyright (C) 2013-2014  John Tsiombikas <nuclear@member.fsf.org>
nuclear@54: 
nuclear@54: This program is free software: you can redistribute it and/or modify
nuclear@54: it under the terms of the GNU Lesser General Public License as published by
nuclear@54: the Free Software Foundation, either version 3 of the License, or
nuclear@54: (at your option) any later version.
nuclear@54: 
nuclear@54: This program is distributed in the hope that it will be useful,
nuclear@54: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@54: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@54: GNU Lesser General Public License for more details.
nuclear@54: 
nuclear@54: You should have received a copy of the GNU Lesser General Public License
nuclear@54: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@54: */
nuclear@13: #include "goat3d.h"
nuclear@13: #include "chunk.h"
nuclear@13: 
nuclear@47: using namespace g3dimpl;
nuclear@47: 
nuclear@13: ChunkHeader chunk_header(int id)
nuclear@13: {
nuclear@13: 	ChunkHeader hdr;
nuclear@13: 	hdr.id = id;
nuclear@13: 	hdr.size = sizeof hdr;
nuclear@13: 	return hdr;
nuclear@13: }
nuclear@13: 
nuclear@47: bool g3dimpl::write_chunk_header(const ChunkHeader *hdr, goat3d_io *io)
nuclear@13: {
nuclear@24: 	io->seek(-(long)hdr->size, SEEK_CUR, io->cls);
nuclear@24: 	if(io->write(hdr, sizeof *hdr, io->cls) < (long)sizeof *hdr) {
nuclear@13: 		return false;
nuclear@13: 	}
nuclear@13: 	return true;
nuclear@13: }
nuclear@13: 
nuclear@47: bool g3dimpl::read_chunk_header(ChunkHeader *hdr, goat3d_io *io)
nuclear@13: {
nuclear@24: 	if(io->read(hdr, sizeof *hdr, io->cls) < (long)sizeof *hdr) {
nuclear@13: 		return false;
nuclear@13: 	}
nuclear@13: 	return true;
nuclear@13: }
nuclear@13: 
nuclear@47: void g3dimpl::skip_chunk(const ChunkHeader *hdr, goat3d_io *io)
nuclear@13: {
nuclear@13: 	io->seek(hdr->size - sizeof *hdr, SEEK_CUR, io->cls);
nuclear@13: }