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By Mirex, JWP and myst6re.
== Header ==
DAT file is divided into 11 sections (except for c0m127.dat, which contains only 2 sections : 7th and 8th).
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 4 bytes
| Number of sections (always =11, except for c0m127.dat)
|-
| 4
| nbSections * 4 bytes
| Section Positions
|-
| 4 + nbSections * 4
| 4 bytes
| File size
|}
== Section 1: Skeleton ==
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Number of bones
|-
|style="background:rgb(255,255,204)" | 2
|style="background:rgb(255,255,204)" | 14 bytes
|style="background:rgb(255,255,204)" | Unknown
|-
| 16
| Number of bones * 48 bytes
| Bones
|}
=== Bone struct ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Parent id
|-
| 2
| 2 bytes
| Bone size
|-
|style="background:rgb(255,255,204)" | 4
|style="background:rgb(255,255,204)" | 44 bytes
|style="background:rgb(255,255,204)" | Unknown (often empty)
|}
== Section 2: Model geometry ==
=== Header (data sub table) ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 4 bytes
| Number of objects
|-
| 4
| nbObjects * 4 bytes
| Object Positions
|}
=== Object Data ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Number of Vertices Data
|-
| 2
| Varies * NbVerticesData
| Vertices Data
|-
| Varies
| absolutePosition % 4
| Padding (0x00)
|-
| Varies
| 2 bytes
| Num triangles
|-
| Varies
| 2 bytes
| Num quads
|-
| Varies
| 8 bytes
| Padding (0x00)
|-
| Varies
| numTriangles * 16 bytes
| Triangles
|-
| Varies
| numQuads * 20 bytes
| Quads
|-
| Varies
| 4 bytes
| Total number of vertices (may be not visible)
|}
==== Vertice Data ====
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Bone id
|-
| 2
| 2 bytes
| Number of vertices
|-
| 4
| nbVertices * 6 bytes
| Vertices (nbVertices * 3 shorts)
|}
==== Useful structures ====
typedef struct {
sint16 x, y, z;
} vertice;
(sizeof = 6)
typedef struct {
uint16 vertex_indexes[3];
uint8 texCoords1[2];
uint8 texCoords2[2];
uint16 textureID_related;
uint8 texCoords3[2];
uint16 u; // textureID_related2
} triangle;
(sizeof = 16)
typedef struct {
uint16 vertex_indexes[4];
uint8 texCoords1[2];
uint16 textureID_related;
uint8 texCoords2[2];
uint16 u; // textureID_related2
uint8 texCoords3[2];
uint8 texCoords4[2];
} triangle;
(sizeof = 20)
== Section 3: Model animation ==
=== Header (data sub table) ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 4 bytes
| Number of animations
|-
| 4
| nbAnimations * 4 bytes
| Animations Positions
|}
== Header ==
DAT file is divided into 11 sections (except for c0m127.dat, which contains only 2 sections : 7th and 8th).
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 4 bytes
| Number of sections (always =11, except for c0m127.dat)
|-
| 4
| nbSections * 4 bytes
| Section Positions
|-
| 4 + nbSections * 4
| 4 bytes
| File size
|}
== Section 1: Skeleton ==
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Number of bones
|-
|style="background:rgb(255,255,204)" | 2
|style="background:rgb(255,255,204)" | 14 bytes
|style="background:rgb(255,255,204)" | Unknown
|-
| 16
| Number of bones * 48 bytes
| Bones
|}
=== Bone struct ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Parent id
|-
| 2
| 2 bytes
| Bone size
|-
|style="background:rgb(255,255,204)" | 4
|style="background:rgb(255,255,204)" | 44 bytes
|style="background:rgb(255,255,204)" | Unknown (often empty)
|}
== Section 2: Model geometry ==
=== Header (data sub table) ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 4 bytes
| Number of objects
|-
| 4
| nbObjects * 4 bytes
| Object Positions
|}
=== Object Data ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Number of Vertices Data
|-
| 2
| Varies * NbVerticesData
| Vertices Data
|-
| Varies
| absolutePosition % 4
| Padding (0x00)
|-
| Varies
| 2 bytes
| Num triangles
|-
| Varies
| 2 bytes
| Num quads
|-
| Varies
| 8 bytes
| Padding (0x00)
|-
| Varies
| numTriangles * 16 bytes
| Triangles
|-
| Varies
| numQuads * 20 bytes
| Quads
|-
| Varies
| 4 bytes
| Total number of vertices (may be not visible)
|}
==== Vertice Data ====
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 2 bytes
| Bone id
|-
| 2
| 2 bytes
| Number of vertices
|-
| 4
| nbVertices * 6 bytes
| Vertices (nbVertices * 3 shorts)
|}
==== Useful structures ====
typedef struct {
sint16 x, y, z;
} vertice;
(sizeof = 6)
typedef struct {
uint16 vertex_indexes[3];
uint8 texCoords1[2];
uint8 texCoords2[2];
uint16 textureID_related;
uint8 texCoords3[2];
uint16 u; // textureID_related2
} triangle;
(sizeof = 16)
typedef struct {
uint16 vertex_indexes[4];
uint8 texCoords1[2];
uint16 textureID_related;
uint8 texCoords2[2];
uint16 u; // textureID_related2
uint8 texCoords3[2];
uint8 texCoords4[2];
} triangle;
(sizeof = 20)
== Section 3: Model animation ==
=== Header (data sub table) ===
{| border="1" cellspacing="1" cellpadding="3" align="center" style="border: 1px solid black; border-collapse: collapse;"
! style="background:rgb(204,204,204)" | Offset
! style="background:rgb(204,204,204)" | Length
! style="background:rgb(204,204,204)" | Description
|-
| 0
| 4 bytes
| Number of animations
|-
| 4
| nbAnimations * 4 bytes
| Animations Positions
|}
