void
lib3ds_chunk_write_end(Lib3dsChunk *c, Lib3dsIo *io) {
assert(c);
c->size = lib3ds_io_tell(io) - c->cur;
lib3ds_io_seek(io, c->cur + 2, LIB3DS_SEEK_SET);
lib3ds_io_write_dword(io, c->size);
c->cur += c->size;
lib3ds_io_seek(io, c->cur, LIB3DS_SEEK_SET);
}
/*!
* \ingroup chunk
*/
Lib3dsBool
lib3ds_chunk_write_end(Lib3dsChunk *c, Lib3dsIo *io)
{
ASSERT(c);
c->size=lib3ds_io_tell(io) - c->cur;
lib3ds_io_seek(io, c->cur+2, LIB3DS_SEEK_SET);
if (!lib3ds_io_write_dword(io, c->size)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
c->cur+=c->size;
lib3ds_io_seek(io, c->cur, LIB3DS_SEEK_SET);
if (lib3ds_io_error(io)) {
LIB3DS_ERROR_LOG;
return(LIB3DS_FALSE);
}
return(LIB3DS_TRUE);
}
/*!
* \ingroup chunk
*/
Lib3dsWord
lib3ds_chunk_read_next(Lib3dsChunk *c, Lib3dsIo *io)
{
Lib3dsChunk d;
if (c->cur>=c->end) {
ASSERT(c->cur==c->end);
return(0);
}
lib3ds_io_seek(io, (long)c->cur, LIB3DS_SEEK_SET);
d.chunk=lib3ds_io_read_word(io);
d.size=lib3ds_io_read_dword(io);
lib3ds_chunk_debug_dump(&d);
c->cur+=d.size;
return(d.chunk);
}
uint16_t
lib3ds_chunk_read_next(Lib3dsChunk *c, Lib3dsIo *io) {
Lib3dsChunk d;
if (c->cur >= c->end) {
assert(c->cur == c->end);
return 0;
}
lib3ds_io_seek(io, (long)c->cur, LIB3DS_SEEK_SET);
d.chunk = lib3ds_io_read_word(io);
d.size = lib3ds_io_read_dword(io);
c->cur += d.size;
if (io->log_func) {
lib3ds_io_log(io, LIB3DS_LOG_INFO, "%s (0x%X) size=%lu", lib3ds_chunk_name(d.chunk), d.chunk, d.size);
}
return d.chunk;
}
/*!
* \ingroup chunk
*/
void
lib3ds_chunk_read_end(Lib3dsChunk *c, Lib3dsIo *io)
{
lib3ds_chunk_debug_leave(c);
lib3ds_io_seek(io, c->end, LIB3DS_SEEK_SET);
}
/*!
* \ingroup chunk
*/
void
lib3ds_chunk_read_reset(Lib3dsChunk *c, Lib3dsIo *io)
{
lib3ds_io_seek(io, -6, LIB3DS_SEEK_CUR);
}
void
lib3ds_chunk_read_end(Lib3dsChunk *c, Lib3dsIo *io) {
((Lib3dsIoImpl*)io->impl)->log_indent--;
lib3ds_io_seek(io, c->end, LIB3DS_SEEK_SET);
}