//IBD Header
struct IBDHeader
{
    DWORD magic;                //file signiture (always 0xC0000001)

    DWORD version;              //version? (always 0x800) ..could also be
                                //resource alignment, which is also 0x800

    DWORD firstResource;        //offset to first resource
    DWORD totalSize;            //total size of all resources

    DWORD largestResource;      //largest resource size
    DWORD unknown;              //related to largest resource size

    DWORD numResources;         //number of resources
    DWORD numVariables;         //number of variables

    char UID[20];               //20-byte UID
};


#define GetIBDAlign(size)   ((size+0x7FF)&0xFFFFF800)

//Resource declaration
struct IBDDec
{
    DWORD offset;               //offset to resource
    DWORD resourceSize;         //size of resource
    DWORD alignSize;            //size of resource alignment. GetIBDAlign(resourceSize)-resourceSize

    DWORD variableIndex;        //starting index in variable table
    DWORD numVariables;         //number of variables used

    char  UID[20];              //20-byte UID

    BYTE  resourceType;         //resource type (only 2 known so far, but there are many more)
        //0x8 - Texture resource
        //0xA - Material resource

    char  resourceName[263];    //resource name
};