JPAK v1.0 Specification

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JPAK v1.0 Specification File

This file will describe how JPAK v1.0 works. The JPAK it's a very simple package format for using on the web. For Easy-to-use stuff, the file table is a JSON with struct described below:

direntry    =   { 
    "name"          :   DIRNAME,                //  Ndame of this folder
    "path"          :   DIRPATH,                //  Path for this folder
    "numfiles"      :   DIRNUMFILES,            //  Number of files in root of this folder
    "directories"   :   DIRSUBDIRECTORIES,      //  It's an array [] with directory objects like direntry
    "files"         :   DIRFILES                //  It's an array [] with file objects like fileentry
};
           
fileentry   =   {   
    "name"          :   FILENAME,               //  File Name
    "path"          :   FILEPATH,               //  File Path
    "offset"        :   FILEOFFSET,             //  Absolute offset in the jpak file
    "size"          :   FILESIZE                //  The file size
}

The JPAK file is structured like described below:

Y -> End of data of the files Z -> End of JSON File Table

START	END	Description
0x0	0x5	JPAK1 Magic Number
0x5	0xD	Padding (0x00)
0xD	0xY	Start of Files Data
0xY	0xZ	JSON File Table
0xZ	END	Unsigned Integer that tells the start offset of JSON File Table