<s>
The	O
Open	B-Protocol
Data	I-Protocol
Description	I-Protocol
Language	I-Protocol
(	O
OpenDDL	B-Protocol
)	O
is	O
a	O
generic	O
text-based	O
language	O
that	O
is	O
designed	O
to	O
store	O
arbitrary	O
data	O
in	O
a	O
concise	O
human-readable	O
format	O
.	O
</s>
<s>
The	O
exact	O
syntax	O
of	O
OpenDDL	B-Protocol
is	O
described	O
on	O
the	O
website	O
as	O
well	O
as	O
in	O
an	O
appendix	O
of	O
the	O
Open	O
Game	O
Engine	O
Exchange	O
Specification	O
.	O
</s>
<s>
An	O
OpenDDL	B-Protocol
file	O
is	O
composed	O
of	O
a	O
sequence	O
of	O
structures	O
that	O
can	O
be	O
either	O
user-defined	O
types	O
or	O
built-in	O
primitive	O
data	O
types	O
.	O
</s>
<s>
OpenDDL	B-Protocol
defines	O
the	O
15	O
primitive	O
data	O
types	O
described	O
in	O
the	O
following	O
table	O
.	O
</s>
<s>
TypeDescriptionbool	O
,	O
bA	O
boolean	O
type	O
that	O
can	O
have	O
the	O
value	O
true	O
or	O
false.int8	O
,	O
i8An	O
8-bit	O
signed	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[ −27	O
,	O
27	O
−	O
1 ]	O
.int16	O
,	O
i16A	O
16-bit	O
signed	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[ −215	O
,	O
215	O
−	O
1 ]	O
.int32	O
,	O
i32A	O
32-bit	O
signed	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[ −231	O
,	O
231	O
−	O
1 ]	O
.int64	O
,	O
i64A	O
64-bit	O
signed	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[ −263	O
,	O
263	O
−	O
1 ]	O
.uint8	O
,	O
u8An	O
8-bit	O
unsigned	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[	O
0	O
,	O
28	O
−	O
1 ]	O
.uint16	O
,	O
u16A	O
16-bit	O
unsigned	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[	O
0	O
,	O
216	O
−	O
1 ]	O
.uint32	O
,	O
u32A	O
32-bit	O
unsigned	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[	O
0	O
,	O
232	O
−	O
1 ]	O
.uint64	O
,	O
u64A	O
64-bit	O
unsigned	O
integer	O
that	O
can	O
have	O
values	O
in	O
the	O
range	O
[	O
0	O
,	O
264	O
−	O
1 ]	O
.half	O
,	O
float16	O
,	O
h	O
,	O
f16A	O
16-bit	O
floating-point	O
type	O
conforming	O
to	O
the	O
standard	O
S1E5M10	O
format.float	O
,	O
float32	O
,	O
f	O
,	O
f32A	O
32-bit	O
floating-point	O
type	O
conforming	O
to	O
the	O
standard	O
S1E8M23	O
format.double	O
,	O
float64	O
,	O
d	O
,	O
f64A	O
64-bit	O
floating-point	O
type	O
conforming	O
to	O
the	O
standard	O
S1E11M52	O
format.string	O
,	O
sA	O
double-quoted	O
character	O
string	O
with	O
contents	O
encoded	O
in	O
UTF-8.ref	O
,	O
rA	O
sequence	O
of	O
structure	O
names	O
,	O
or	O
the	O
keyword	O
null.type	O
,	O
tA	O
type	O
whose	O
values	O
are	O
identifiers	O
naming	O
types	O
in	O
the	O
first	O
column	O
of	O
this	O
table.base64	O
,	O
zGeneric	O
binary	O
data	O
encoded	O
as	O
Base64	B-Protocol
.	O
</s>
