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Introduction

Pew are Visitor's project files. Visitor is BI's tool for creating Islands.

Visitor is a Gui tool interface that interacts with Bulldozer, an inbuilt 'world' viewer inside any Armed Assault engine.

The contents of the project file, pew, are not directly related to the ultimate output, a wrp file. However, that data, of course, contains all similar elements, such as road networks, elevations, cell matrices, models and textures.

Exporting a pew file into wrp format, involves the use of Bulldozer, since it is Bulldozer that decides how it wants that data presented, rather than anything visitor might like to decide. It is Bulldozer that determines the format and version of the resulting wrp file (in 8WVR format), and consequently, that, is a reflection of the Arma Engine itself.

While there have been several pew versions, the one's listed here are

  * POSEW59 and
  * POSEW60 

there are only a few subtle differences to their makeup.



Legend

[[http://en.wikipedia.org/wiki/Endianness#Little-endian|Little endian]] byte order, lsb first for numeric values, text is stored in Big endian byte order.
<code>
Type 	Description
byte	8 bit (1 byte)
short	16 bit signed short (2 bytes)
int	32 bit signed integer (4 bytes)
float	32 bit signed single precision floating point value (4 bytes)
double	64 bit signed single precision floating point value (8 bytes)
asciiz	Null terminated (0x00) variable length ascii string
ascii	fixed length ascii string(UTF-8)
</code>

XYPair

<code cpp>
XYPair
{
	ulong x,y; // normally associated with cell sizes
}
</code>


RGBAColor

<code cpp>
RGBAColor
{
	byte r,g,b,a; // // 0xFF:FF:FF:FF means 'default'
}
</code>

  * RGBA colors correspond to Microsoft's D3DCOLORVALUE
  * They normally come in pairs innside the pew structures 


String

<code cpp>
String
{
	ulong  Length;
	Asciiz Characters;// null terminated regardless. 
</code>

Length always =strlen(Characters)+1;

This is a pre-calculated convenience to reduce load times (and skip over the variable length block).

File Format

          * This file format is principally used with Armed Assault v1.09 and later plus the ArmA Tools Suite Final release (v1.14). 

<code cpp>
POSEW59
POSEW60
{
	PoseHeader               Header;
	ulong                    nTextures (typically 0);
	Textures                 Textures[nTextures];
	ulong                    nObjectTypes;
	ObjectType               ObjectTypes[nObjectTypes];
	RoadNets                 RoadNets[...];
	Terrain                  Terrain[...];
	ulong                    NoOfObjects;
	Object                   Objects[NoOfObjects];
	ulong                    NoOfLayers;
	Layer                    Layers[[NoOfLayers] ;
	ulong                    RoadNetIndices[TerrainGridSizeXY];
	if (POSEW60)
	{
		ulong                   NoOfBackgrounds;
		Background              Backgrounds[NoOfBackgrounds] ;// probably
	}
	else // pose59
	{
		ulong                  Count;
		UnknownStruct2         UnknownStructs[Count];
	}

	ulong                    nBlocks;
	RoadBlock                RoadBlocks[nBlocks];

	if (POSEW60)
	{
		ulong                  Count;
		UnknownStruct2         UnknownStructs[Count];
	}
	else // pose59
	{
		ulong                   NoOfBackgrounds;
		Background              Backgrounds[NoOfBackgrounds] ;// probably
	}
	ulong                    Count;
	Locale                   Locales[Count];         
	ulong                    Always0;
	ulong                    Always4;
	ulong                    Always0;
}
</code>


PoseHeader
<code cpp>
Header
{
	char     Signature[7]; "POSEW59" or "POSEW60" note: NOT null terminated

	ulong    UnknownLong0;
	ulong    UnknownLong1;  // typically 0
	ulong    IslandDataPathLen;
	String   IslandDataPath[IslandDataPathLen];//"SomePboPrefix\SomeIsland\data\0"
	ulong    IslandObjectPathLen;
	String   IslandObjectPath[IslandObjectPathLen];//""
	float	   GridSize;      //50.0
	float	   SellSize; //400.0 (SegmentSize - SegmentOverlap)
	ulong    IslandClassnameLen;
	String   IslandClassname[IslandClassnameLen];//""
};
</code>

ObjectType

<code cpp>
ObjectType
{
	String ModelFilename; //"SomePrefixRoot\data\jablon.p3d\0"
	String ModelName; //"jablon"
	ulong ObjectType; // 0..5
	RGBAColor OutlineColour;
	RGBAColor ObjectColour;
	VariousInfo:
	double UnknDouble01; // 50.0
	double UnknDouble02; // 50.0

	ulong ObjectTypeID;
	float UnknFloat[3];

	double UnknDouble11; // 50.0
	double UnknDouble12; // 50.0

	char UnknChar02[14];
	short ScaleFlag; // Random Scale Flag
	double Scale0; // 50.0
	double Scale1; // 50.0

	short RotateFlag; // Random Rotate Flag
	double Rotate0; // 20.0
	double Rotate1; // 20.0

	short OrientationFlag;// Random Orientation Flag
	double Orientation0; // 180.0
	double Orientation1; // 180.0

	short RoadFlag; switch (RoadFlag)
	{
		case 0x0001:
		{
			float UnknFloat[12];
			char UnknChar[48]; // (typically 0)
		};
	};
	ulong MarkerType; // See MarkerTypeEnum
	LongBool LongBool; // 0 or 1
}
</code>

NB: While the 'VariousInfo' byte array is decernable at this time it essentially defines various floats, integers, transforms etc. that denote the 'default' and/or 'seed' values for a given ObjectType. 

ObjectTypeID is also present at offset 16 in the VariousInfo's

ArtificialSubObject

<code cpp>
ArtificialSubObject
{
	String     Name;       //"pohrada"
	LongBool   LongBool;
	ulong      Always02;
	XYZTriplet StartEndPos[2];
}
</code>

RoadNet

<code cpp>
RoadNet
{
	shortBool Always1;
	shortBool Always1;
	shortBool NoRoads;
	if (!NoRoads)
	{
		ulong    nTypes;
		RoadType RoadTypes[nTypes];
		ulong    nXRoads;
		XRoad    XRoads[nXRoads];
	}
}
</code>


RoadType

<code cpp>
RoadType
{
	String       FamilyName;        // "cesta","silnice",etc
	RGBA         KeyPartsColour;    
	RGBA         NormalPartsColour; 
	shortBool    FilledLine;        // 0 or 1
	double       MaxAngle;          // 25.0 degrees 
	double       MaxBankAngle;      // 5.0 degrees
	ulong        nStraights;
	RoadList     Straights[nStraights];
	ulong        nCurves;
	RoadList     Curves[nCurves];
	ulong        nSpecials;
	RoadList     Specials[nSpecials];
	ulong        nTerminators;
	RoadList     Terminators[nTerminators];
}
</code>


RoadList

<code cpp>
RoadList     
{
	String      ModelName;      // "cesta25"
	ulong       ObjectID;       // in the model list
	ushort      MeterType;      // 0,1,2,3 not present for Terminators
	shortBool   CanChangeAngle; // not present for Terminators or Curves
}
</code>

MeterType

Type Straights Curves\\
0 6 25 meters\\
1 12 50\\
2 25 75\\
3 100

Broadly speaking, there are a few basic road types

  * asfalt bitumen.
  * silnice Paved
  * cesta dirt 

Each RoadType describes the general characteristics of a Dirt Road as opposed to (say) an Asphalt one.

Each of these RoadTypes (such as asphalt) can have multiple curved, straight, special, and termination p3d models associated with them.

Generally speaking, there are

  * 3 'straight' models, approximately 6,12, and 25 meters long respectively.
  * 4 'curved' models, 25,50,75 and 100 meters long.
  * 1 'terminaton type. 

The termination type is a road like any other but tends to be a fixed 6 meter fade out of the general road texture.

XRoad

<code cpp>
XRoad
{
	String    Name;	      //kr_asfaltka_asfaltka_t.
	ushort    Type              //1 or 3
	RGBA      color;	      //FF FF FF FF 
	shortBool CanChangeBankAngle;
	ulong     ObjectID;
	String    Intersections[4]; //"asfaltka","silnice","cesta",Type=3 "silnice" else ""
}
</code>

Although CrossRoads could, conceivably, have any number of intersections, only two types are handled.

  * Type 1: A T_Junction (3 intersections)
  * Type 3: A Genuine crossroad (4 way intersection) 

For T_Junctions, there is, obviously, no 4th intersection and this is null filled.

Without taking too literal an interpretation, there are some major types of road.

  * asfaltka:bitumen (sealed)
  * silnice: Paved
  * cesta: Dirt 

Thus the names of each intersection reflect the road type of that intersection, sometimes resulting in (up to) four identical names.

The overall name of the crossroad itself, tries to reflect the nature of it's makeup thus kr_asfaltka_asfaltka_t: an bitumen T_Junction kr_silince_x_cesta: a crossroad of paved and dirt roads.

Terrain

<code cpp>
Terrain
{
	XYPair   TerrainGridSize; // 256 x 256 eg
	float    TerrainGridHeights[TerrainGridSize];
	float    BlueEdgeTerrainHeights[NoOfBlueFloats]  ; //Always zero values // NoOfBlueFloats = (TerrainGrid_Y * TerrainGrid_X)/16;
	ulong    Always0;
}
</code>

Object

<code cpp>
Object
{
	ShortBool IsPresent;
	if (IsPresent)
	{
		ShortBool Always0;
		ulong InstanceId;
		float TransformColumn[3][4]; // described here to solidly illustrate to reader
		// this is a standard DirectX Transform matrix
		// but in COLUMN format;

		double ObjectRelativeSize; // decimal percentage
		String InstanceName; // "minimalStrelPos"
		float RelativeSurfaceElevation;
		RGBA OutlineColour;
		RGBA ObjectColour;
		ulong ObjectID;
	};
};
</code>

Layer

<code cpp>
Layer
{
	String          Name1;            //"Base"
	ulong           SizeType;         //0
	String          Name2;            //"Base"
	ushort          DefaultIndicator; // 1
	ulong           NoOfTerrainMaterials;
	TerrainMaterial TerrainMaterials[NoOfTerrainMaterials];
}
</code>


TerrainMaterial

<code cpp>
TerrainMaterial
{
	ulong  BitFlags;         // 1 = label, 0x40 = rvmatfile,,,,
	String MaterialName; // "---sea---","Layers\P_000-000_L00.rvmat"
	ulong  TypeID;       // 0,1,2
}
</code>

Background

<code cpp>
Background // this structure has not been seen
{
	String BackgroundFilename;
	String BackgroundName;
	float  OffsetX;
	float  OffsetY;
	float  SizeX;
	float  SizeY;
	ulong  Transparency;
	ulong  Visible;
}
</code>

RoadBlock

<code cpp>
RoadBlock
{
	ShortBool IsPresent; 
	if IsPresent
	{
		ShortBool Always1; 
		ulong     Unknown[12]; 
           /* typical data
           * *00 00 00 00 00 00 00 F0 2C 46 00 98 23 46 C6 6F 
           * *C6 42 0E 01 00 00 01 00 00 F0 2C 46 00 98 23 46 
           * *C6 6F C6 42 0E 01 00 00 4B 00 00 00 00 00 00 00 
           * /
		ushort    Type;             // 0,1,2,3
		String    RoadFamilyName;   //"hlavni silnice"
		String    RoadModelName;    //"kr_silnice_cesta_t"
		RGBA      color;            
		ShortBool Always1; 
		ulong     Count; 
		FamilyList FamilyLists[Count];
		ulong     Unknown[27];
           /* typical data
           * *FA D4 30 BF 94 58 08 3D 00 00 C8 C0 00 00 60 C0 
           * *00 00 00 00 00 00 48 C1 00 00 60 40 00 00 00 00 
           * *00 00 48 C1 00 00 60 C0 00 00 00 00 00 00 00 00 
           * *00 00 60 40 00 00 00 00 00 00 00 00 00 00 C8 C0 
           * *00 00 00 00 00 00 30 C0 00 00 C8 C0 00 00 00 00 
           * *00 00 1C C1 04 01 00 00 00 00 00 00 00 00 00 00 
           * *09 00 00 00 0B 80 00 00 04 00 00 00 
           * /
		ulong     Count;    
		ModelList ModelLists[Count];
	}
}
</code>

Type

  * 0 Road Ending with FamilyName and it's ModelName_konec
  * 1 TJunction ModelName Only
  * 2 Road similar to type 0
  * 3 Xroad with ModelName Only 


FamilyList

<code cpp>
FamilyList
{
	ulong  Unknown[4];// Typically 00 00 C8 C0 00 00 C8 C0 00 00 00 00 0E 01 00 00
	String Name;     // "silnice hlavni silnic\0"
}
</code>

This struct is principally used for Xroads and Tjunctions. It typically lists the order of all RoadFamilyName's required

ModelList

<code cpp>
ModelList
{
	ulong      Count;           //15 eg
	BlockModel BlockModel[Count];
	String     FamilyName;      //"silnice hlavni silnic\0"
	ulong      Unknown[4];      //Typically 00 00 C8 C0 00 00 C8 C0 00 00 00 00 0E 01 00 00
	RGBA       color[2];         
	ShortBool  Always01;        //01
	ulong      buf2[4];         // Typically 00 00 00 00 00 00 39 40 00 00 00 00 00 00 24 40
}
</code>


BlockModel

<code cpp>
BlockModel 
{
	ulong    unknown[6];
          /* typical data
          * *01 00 01 00 00 86 2D 46 
          * *00 98 23 46 65 6C C5 42 
          * *0E 01 00 00 4D 00 00 00 
          * /
	ushort   Type;               //0,1,2,3
	String   ModelName;          //"silnice10 100\0"
	ulong    unknown[25];
          /*typical data
          * *00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
          * *C4 76 C2 3F 0E EB 8A C1 00 00 00 00 BE 00 00 00 
          * *CC ED 26 BE CA 0F 12 40 56 30 28 3F 00 00 00 00 
          * *18 CA 04 C1 48 8B 3D C0 00 00 00 00 2D 3D 91 C1 
          * *06 01 C0 40 00 00 00 00 EE 98 84 C1 99 99 91 C0 
          * *00 00 00 00 64 4A 5F 35 99 99 91 40 00 00 00 00 
          * *64 4A 5F B5 01 00 
          * /
	ShortBool ok; // 0 or 1
}
</code>


UnknownStruct2

<code cpp>
UnknownStruct2
{
	ShortBool IsPresent;
	if IsPresent
	{
		ShortBool Always0;
		BisString Name1;          //"Les_new"
		ulong     Colour[3];
		ulong     nFloats;
		float     Floats[nFloats];
            /* Typical Data
            * *00 00 61 45 00 78 1B 46 00 20 64 45 00 20 19 46 
            * *00 20 64 45 00 78 1B 46 00 40 67 45 00 58 18 46 
            * *00 40 67 45 00 78 1B 46 00 60 6A 45 00 58 18 46 
            * *00 60 6A 45 00 78 1B 46 00 80 6D 45 00 90 17 46 
            * *00 80 6D 45 00 B0 1A 46 00 A0 70 45 00 C8 16 46 
            * *00 A0 70 45 00 E8 19 46 00 C0 73 45 00 00 16 46 
            * /
		ulong     ID;             // 0,1,2,3,4....
		if POSEW60
		{
			LongBool  Always1;
		}
		else
		{
			BisString Name2;          //Les_new Name2==Name1
		}
	}
};
</code>


Locale

<code cpp>
Locale
{
	LongBool  Always1; 
	String    ClassName;  //"Noe_Lany"
	RGBA      Colour[3];
	ShortBool ShortInd; 
	float     Offset[2];  // map relative
	float     Size[2];    // 250 x 250.0 eg
	ulong     ID;         // 0,1,2,3,4,5,6....
	BisString TownName;   //"Lipany", "Hill"
	BisString LocaleType; //"NameCity" NameCityCapital, NameVillage, NameLocal, egetationBroadLeaf,Hill,Marine,ViewPoint
	BisString NoName;     // always null
}
</code>

Each of these locales have a LocaleType. Some of which are:

  * NameCity
  * NameCityCapital
  * NameVillage
  * VegetationBroadLeaf (Forest) 


There is always a classname associated with this locale,

  * Forest_Owls
  * Abel_LaTrinite 

and in most cases a text name

"La Refuge Des Chassuers"

(Type Viewpoints and Marine eg) do not have names associated with them. There is no "place" in the sea.

Enums

ObjectClassEnum

<code cpp>
enum ObjectClassEnum
{
	Natural = 1,
	Artificial = 2,
	ArtificialAndDefinedInRoad = 5,
	Road = 3
}
</code>

MarkerTypeEnum

<code cpp>
enum MarkerTypeEnum
{
	Rectangular = 0,
	Elliptical = 1
}
</code>
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