Difference between revisions of "WBD-WBN"

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'''Windows bounds dictionary''' (WBD) and '''Windows bounds nodes''' (WBN) are two formats for [[collision file]]s used in GTA 4.
  
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== File Format ==
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CPU Offsets are of form [xx xx xx 50] * Data Offsets are of form [xx xx xx 60]
  
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== File Description ==
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'''WBD''' Header
 +
-------------------------------------------------------------------
 +
Offset Size Type Data Description
 +
-------------------------------------------------------------------
 +
0x00 4b LONG [[VTable]]
 +
0x04 4b  Offset Offset to blockMap
 +
0x08 4b  LONG Unknown
 +
0x0C 4b  LONG Unknown
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0x10 8b  SimpleCollection <Hashes> Collection that contains all hashes of the models
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0x18 8b PointerCollection <Bounds> Collection that contains pointers to the Bounds Data
  
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'''WBD''' is a '''"Windows Bounds Dictionary"''' file usually located in the "Rockstar Games\Grand Theft Auto IV\pc\data\maps\xxx_folder\xxx.img"
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--------------------------------------------------------------------
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SimpleCollection (Hashes) (BlockSize 0x08)
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Contains data of the given type
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--------------------------------------------------------------------
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0x00 4b Offset Offset to the Hashes Data
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0x04 2b Short Data Count
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0x06 2b Short Data Size
  
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'''WBN''' is a '''"Windows Bounds Nodes"''' file usually located in the "Rockstar Games\Grand Theft Auto IV\pc\data\maps\xxx_folder\xxx.img"
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--------------------------------------------------------------------
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PointerCollection (Bounds) (BlockSize 0x08)
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Contains data of the given type
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--------------------------------------------------------------------
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0x00 4b Offset Offset to the Bounds Data PointerCollection
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0x04 2b Short Data Count
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0x06 2b Short Data Count
  
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these files are the method used within GTA-IV for collision files, early indications show that map model colision files are mapped in game "World coordinates"
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--------------------------------------------------------------------
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Bounds data (BlockSize 0x240h)
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--------------------------------------------------------------------
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0x00 4b Long [[VTable]]
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0x04 2b Short Pivot Count (Usually 3)
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0x06 2b Short (Usually 1)
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0x08 2b Short (Usually 1)
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0x0A 2b Short (Usually 0)
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0x0C 4b  Float Bounding Sphere Radius Size
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0x10 4b  Float  Bounding Box Max (X)
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0x14 4b  Float  Bounding Box Max (Y)
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0x18 4b  Float  Bounding Box Max (Z)
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0x1C 4b Long    Always 1 (Hex 0100807F)
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0x20 4b  Float  Bounding Box Min (X)
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0x24 4b  Float  Bounding Box Min (Y)
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0x28 4b  Float  Bounding Box Min (Z)
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0x2C 4b Long    Always 1 (Hex 0100807F)
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0x30 4b Float x (Bounding Sphere Pivot Coords)
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0x34 4b Float y
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0x38 4b Float z
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0x3C 4b Long Always 1 (Hex 0100807F)
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0x40 4b Float x (Bounding Box Pivot Coords)
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0x44 4b Float Y
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0x48 4b Float Z
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0x4C 4b Long Always 1 (Hex 0100807F)
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0x50 4b Float x (Geometry Model Pivot Coords)
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0x54 4b Float Y
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0x58 4b Float Z
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0x5C 4b Long Always 1 (Hex 0100807F)
  
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== File Format ==
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'''WBN''' Header
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Here is some basic information that has been gathered so far.(from decompressed ext_door.wbd)
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-------------------------------------------------------------------
 +
Offset Size Type Data Description
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-------------------------------------------------------------------
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0x00 4b LONG [[VTable]]
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0x04 4b  Offset ????
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0x08 4b  Offset Collection of Bounding Definitions (see [[VTable]] page)
  
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Int VTable (4b)
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==Tools==
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offset to blockMap (4b)
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The following tools and scripts can be used to import & export (edit) these collisions files.
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Unknown (8b)
 
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offset to Array (contains all hashes of the models)
 
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count (2b) //number of hashes
 
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size (2b) //number of hashes
 
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PointerCollection (4b)
 
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count (2b) //in ext_door.wbd same as number of door models
 
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size (2b) //in ext_door.wbd same as number of door models
 
  
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== Discussion Topics ==
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* [[OpenIV]]
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* {{GTAF|382615&|Collision format post in IV model format topic}} &ndash; by Prince-Link
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* [[GIMS]]
  
 
{{GTA4-navi}}
 
{{GTA4-navi}}
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{{File-stub}}
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[[Category:Map Formats]]
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[[Category:Map Formats]][[Category:GTA 4]]
 

Latest revision as of 18:09, 5 March 2015

Windows bounds dictionary (WBD) and Windows bounds nodes (WBN) are two formats for collision files used in GTA 4.

File Format

CPU Offsets are of form [xx xx xx 50] * Data Offsets are of form [xx xx xx 60] 

WBD Header
-------------------------------------------------------------------
Offset	Size	Type	Data			Description
-------------------------------------------------------------------
0x00	4b	LONG	VTable		
0x04	4b  	Offset	Offset to blockMap
0x08	4b  	LONG	Unknown
0x0C	4b  	LONG	Unknown
0x10	8b  	SimpleCollection <Hashes>	Collection that contains all hashes of the models
0x18	8b	PointerCollection <Bounds>	Collection that contains pointers to the Bounds Data

--------------------------------------------------------------------
SimpleCollection (Hashes) (BlockSize 0x08) 
Contains data of the given type
--------------------------------------------------------------------
0x00	4b	Offset	Offset to the Hashes Data
0x04	2b	Short	Data Count
0x06	2b	Short	Data Size

--------------------------------------------------------------------
PointerCollection (Bounds) (BlockSize 0x08) 
Contains data of the given type
--------------------------------------------------------------------
0x00	4b	Offset	Offset to the Bounds Data PointerCollection
0x04	2b	Short	Data Count
0x06	2b	Short	Data Count

--------------------------------------------------------------------
Bounds data (BlockSize 0x240h)
--------------------------------------------------------------------
0x00	4b	Long	VTable
0x04	2b	Short	Pivot Count (Usually 3)
0x06	2b	Short	(Usually 1)
0x08	2b	Short	(Usually 1)
0x0A	2b	Short	(Usually 0)
0x0C	4b  	Float	Bounding Sphere Radius Size
0x10	4b  	Float   Bounding Box Max (X)
0x14	4b  	Float   Bounding Box Max (Y)
0x18	4b  	Float   Bounding Box Max (Z)
0x1C	4b	Long    Always 1 (Hex 0100807F)
0x20	4b  	Float   Bounding Box Min (X)
0x24	4b  	Float   Bounding Box Min (Y)
0x28	4b  	Float   Bounding Box Min (Z)
0x2C	4b	Long    Always 1 (Hex 0100807F)
0x30	4b	Float	x (Bounding Sphere Pivot Coords)
0x34	4b	Float	y
0x38	4b	Float	z
0x3C	4b	Long	Always 1 (Hex 0100807F)
0x40	4b	Float	x (Bounding Box Pivot Coords)
0x44	4b	Float	Y
0x48	4b	Float	Z 
0x4C	4b	Long	Always 1 (Hex 0100807F)
0x50	4b	Float	x (Geometry Model Pivot Coords)
0x54	4b	Float	Y 
0x58	4b	Float	Z 
0x5C	4b	Long	Always 1 (Hex 0100807F)

WBN Header
-------------------------------------------------------------------
Offset	Size	Type	Data			Description
-------------------------------------------------------------------
0x00	4b	LONG	VTable		
0x04	4b  	Offset	????
0x08	4b  	Offset	Collection of Bounding Definitions (see VTable page)

Tools

The following tools and scripts can be used to import & export (edit) these collisions files.

v · d · e
GTA IV Grand Theft Auto IV
File Formats.dat • .gxt • .ide • .img • .ipl • .nod • .sco • .rpf • .rrr • .wad • .wbd/.wbn • .wdd • .wdr • .wft • .whm • .wpl • .wtd
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