NFS_RESEARCH.bt

//Need for Speed Underground 2
//.BUN .BIN .GEO
// @cra0kalo
//----------------------
//.TPK -> 00 00 30 B3
//.GEO -> 00 40 13 80
//.ANI -> 00 41 03 80

LittleEndian();

//Defines
typedef  float vec2[2];
typedef  float vec3[3];
typedef  float vec4[4];
typedef  float quat4[4];
typedef  string asciiz;
typedef  char  magic4[4];
typedef int bool;
#define true  1
#define false 0

//functions
long PaddingAlign(long num, int alignTo)
{
		if (num % alignTo == 0)
		{
			return 0;
		}
		else
		{
			return alignTo - (num % alignTo);
		}
}

bool AlignFS4()
{
    local int b2skip = PaddingAlign(FTell(),4);
    FSkip(b2skip);
    return 1;
}

typedef struct
{
   uint32   chunkHeader; //00 40 13 80 -
   uint32   chunkSize;  
} CHUNK_GEO_HEAD;

typedef struct
{
    uint32 chunkHead;
    uint32 chunkSize;
} CHUNK_NULL;

typedef struct
{
   uint32   chunkHeader; //01 40 13 80
   uint32   chunkSize;   
} CHUNK_GEO_Block1;

typedef struct
{
   uint32   chunkHeader; //02 40 13 80
   uint32   chunkSize;  
   uint32   blnk1;
   uint32   blnk2;
   uint32   tTagA;
   uint32   tTagB;
   asciiz   path;
   uint32   UniqueFmt;
   uint32   unkData[7];
   uint32   unkVarA;
   uint32   unkVarB;
   uint32   unkVarC;
   uint32   unkData2[7];
} CHUNK_GEO_Block2;

typedef struct
{
   uint32   chunkHeader; //03 40 13 80
   uint32   chunkSize;
   uint16   unkValA_a;
   uint16   unkValA_b;
   uint32   unkValB; 
} CHUNK_GEO_Block3;

typedef struct
{
   uint32   chunkHeader; //08 40 13 80
   uint32   chunkSize;   
} CHUNK_GEO_Block8;

typedef struct
{
   uint32   chunkHeader; //10 40 13 80
   uint32   chunkSize;   
} CHUNK_GEO_Block10;

typedef struct
{
   uint32   chunkHeader; //11 40 13 80
   uint32   chunkSize;
   byte     padding[8];
   uint32   blnk1;
   uint32   blnk2;
   uint32   blnk3;
   uint32   unkA;
   uint16   unkB_a;
   uint16   unkB_b;
   uint32   unkC;
   uint32   unkD;
   uint32   unkE;
   vec3     bBox1;
   uint32   blnk4;
   vec3     bBox2;
   uint32   blnk5;
   float    matrix64[16];
   uint32   unkF;
   uint32   unkG;
   uint32   ParA[2];
   uint32   unkH;
   vec4     unkVector;
   asciiz   chunkName;
   AlignFS4();
} CHUNK_GEO_Block11;

typedef struct
{
   uint32   chunkHeader; //12 40 13 80
   uint32   chunkSize;
   uint16   unkVarA_a;
   uint16   unkVarA_b;
   uint32   blankVal1;
   uint16   unkVarB_a;
   uint16   unkVarB_b;
   uint32   blankVal2;
   uint16   unkVarC_a;
   uint16   unkVarC_b;
   uint32   blankVal3;
} CHUNK_GEO_Block12;

typedef struct
{
   vec3    v_pos;
   uint32  v_unk;
   vec2    v_uv;
} GEO_VERTEX;

typedef struct
{
    uint16  vA;
    uint16  vB;
    uint16  vC;
} GEO_FACE;


typedef struct
{
   uint32   chunkHeader; //01 4B 13 00
   uint32   chunkSize;
   local int strtPt = FTell();
   local int padskip = FTell();
   local byte rVal;
   while(ReadByte(FTell()) == 0x11)
   {         
        padskip++;
        FSeek(padskip);
   } 
   
   local int curPos = FTell();
   while(curPos < strtPt + chunkSize)
    {
       GEO_VERTEX vtx;
       curPos+= 24;    
    }


} CHUNK_GEO_VERTEXBUFFER;

typedef struct
{
   uint32   chunkHeader; //02 4B 13 00
   uint32   chunkSize;
} CHUNK_GEO_VERTEXPOST;

typedef struct
{
   uint32   chunkHeader; //03 4B 13 00
   uint32   chunkSize;
   local int strtPt = FTell();
   local int curPos = FTell();
   while(curPos < strtPt + chunkSize)
    {
       GEO_FACE vFace;
       curPos+= 12;    
    }

} CHUNK_GEO_INDEXBUFFER;

typedef struct
{
   uint32   chunkHeader; //00 00 30 B3
   uint32   chunkSize;  
} CHUNK_B_main_TPK;

typedef struct
{
   uint32   chunkHeader; //00 00 31 B3
   uint32   chunkSize;  
} CHUNK_B_sub_TPK;

typedef struct
{
   uint32   chunkHeader; //00 00 32 B3
   uint32   chunkSize;   
} CHUNK_B_sub_inner_TPK;


//---------------------------------------------------------

local int bstart1;

CHUNK_GEO_HEAD c0;
//FSkip(chunk1.chunkSize);
CHUNK_NULL cn1;
FSkip(cn1.chunkSize);
CHUNK_GEO_Block1 c1;
CHUNK_GEO_Block2 c2;
CHUNK_GEO_Block3 c3;
CHUNK_GEO_Block8 c8;
CHUNK_GEO_Block10 c10;
bstart1 = FTell() + 8;
CHUNK_GEO_Block11 c11;
FSeek(bstart1 +  c11.chunkSize);
CHUNK_GEO_Block12 c12;