XeNTaX

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# LEGO Island 2 PC bod, bob files extractor (version 0.1)
#use something like "quickbms bod.bms <filename>.bod ." for extraction

# internal open <filename>.bob
Open FDDE bob 1

goto -16
get FILEOFFSET long
get FILES long
get FILENAMEOFFSET long

goto FILEOFFSET  

set FULLPATH string ""
set NAME string ""

callfunction extractor

startfunction extractor
  string FULLPATH += NAME
  string FULLPATH += \

  getdstring FILETYPE 4 
  
  if FILETYPE == "DIRY"
    get CONTAINS long
    get Unk long
    get FOLDERNAMEOFFSET long    
    savepos FILEOFFSET
    goto FOLDERNAMEOFFSET
    get NAME string
    goto FILEOFFSET
    for i = 0 < CONTAINS
      callfunction extractor
    next i
  elif FILETYPE == "FILE"
    get LOGFILESIZE long
    get LOGFILEOFFSET long
    get FILENAMEOFFSET long    
    savepos FILEOFFSET
    goto FILENAMEOFFSET
    get FILENAME string
    goto FILEOFFSET
    set FULLNAME string FULLPATH
    string FULLNAME += FILENAME
    Log FULLNAME LOGFILEOFFSET LOGFILESIZE 1
    print "FILE %FULLNAME%"
  else 
    print "Unknown FILETYPE: %FILETYPE%"
    cleanexit
  endif
endfunction

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struct Position
{
  float		fX;
  float		fY;
  float		fZ;
  byte    bUnk[0x14];
};
	
struct Normal
{
  float		fX;
  float		fY;
  float		fZ;
};

struct Group
{
  dword dwOffsetIndices;
  dword dwCntIndices;
  dword dwOffsetVertices;
  dword dwCntVertices;
};

struct MSH
{
  char		        VERT[4];
  dword		        dwCntVertices;
  struct Position sPositions[dwCntVertices];
  struct Normal   sNormals[dwCntVertices];
  
  char		        INDL[4];
  dword           dwCntIndices;
  word		        aIndices[dwCntIndices]; 
  
  char		        GRPL[4];
  dword           dwCntGroups;
  struct Group    sGroups[dwCntGroups];
};

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from inc_noesis import *

import noesis

#rapi methods should only be used during handler callbacks
import rapi

#registerNoesisTypes is called by Noesis to allow the script to register formats.
#Do not implement this function in script files unless you want them to be dedicated format modules!
def registerNoesisTypes():
   handle = noesis.register("LEGO Island 2", ".msh")
   noesis.setHandlerTypeCheck(handle, mshCheckType)
   noesis.setHandlerLoadModel(handle, mshLoadModel) #see also noepyLoadModelRPG
       #noesis.setHandlerWriteModel(handle, noepyWriteModel)
       #noesis.setHandlerWriteAnim(handle, noepyWriteAnim)
   noesis.logPopup()
       #print("The log can be useful for catching debug prints from preview loads.\nBut don't leave it on when you release your script, or it will probably annoy people.")
   return 1

#check if it's this type based on the data
def mshCheckType(data):
   bs = NoeBitStream(data)
   if len(data) < 12:
      return 0
   if bs.readBytes(4).decode("ASCII") != "VERT":
      return 0
   return 1       

#load the model
def mshLoadModel(data, mdlList):
   ctx = rapi.rpgCreateContext()
   bs = NoeBitStream(data)

   if bs.readBytes(4).decode("ASCII") != "VERT":
      return 0   
      
   dwCntVertices = bs.readInt()
   sPositions = bs.readBytes(dwCntVertices*0x20)
   sNormals = bs.readBytes(dwCntVertices*0x0C)
   
   if bs.readBytes(4).decode("ASCII") != "INDL":
      return 0   
   
   dwCntIndices = bs.readInt()
   aIndices = bs.readBytes(dwCntIndices * 2)
   
   rapi.rpgBindPositionBufferOfs(sPositions, noesis.RPGEODATA_FLOAT, 0x20, 0)
   rapi.rpgBindNormalBufferOfs(sNormals, noesis.RPGEODATA_FLOAT, 0x0c, 0)
   #rapi.rpgCommitTriangles(None, noesis.RPGEODATA_USHORT, dwCntVertices, noesis.RPGEO_POINTS, 1)
   rapi.rpgCommitTriangles(aIndices, noesis.RPGEODATA_USHORT, dwCntIndices, noesis.RPGEO_TRIANGLE, 1)
   
   mdl = rapi.rpgConstructModel()
   mdlList.append(mdl)         #important, don't forget to put your loaded model in the mdlList
   
   return 1

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char GRPL[ 4 ]; //"GRPL"
int CountGroups;
Group[ CountGroups ];

Group
{
   int Unknown;
   int FaceCount;
   int VertexOffset;
   int VertexNumber;
   int FaceOffset;
}