MOSB.bt

//------------------------------------------------
//--- 010 Editor v10.0.1 Binary Template
//
//      File: MOSB.bt
//   Authors: TKGP
//   Version: 
//   Purpose: Demon's Souls .mosb files
//  Category: Dantelion
// File Mask: *.mosb
//  ID Bytes: 4D 4F 53 42
//   History: 
//------------------------------------------------

#include "Util.bt"
BigEndian();

struct Struct4;
struct Struct5;
struct Struct6;
struct Struct10;

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

typedef struct {
    char magic[4]; Assert(magic == "MOSB");
    short unk04; Assert(unk04 == 2);
    short unk06; Assert(unk06 == 0);
    int count1;
    int count2;
    char name[0x20]; // Longest name in practice is 0xC so this is a bit of a guess
    int offset1 <format=hex>;
    int offset2 <format=hex>;
    int offset3 <format=hex>;
    int offset4 <format=hex>;
    int offset5 <format=hex>;
    int offset6 <format=hex>;
    int offset7 <format=hex>;
    int offset8 <format=hex>;
    int offset9 <format=hex>;
    int offset10 <format=hex>;
    int offset11 <format=hex>;
    int offset12 <format=hex>;
} Header <bgcolor=cLtRed>;


typedef struct {
    float unk00;
    float unk04;
    byte unk08;
    byte unk09 <hidden=true>; Assert(unk09 == 0);
    byte struct3Count;
    byte struct4Count;
    int struct3Offset <format=hex>;
    int struct4Offset <format=hex>;
    
    local quad pos <hidden=true> = FTell();
    if (struct3Count > 0) {
        FSeek(header.offset3 + struct3Offset);
        short struct3s[struct3Count] <bgcolor=cGreen>;
    }
    FSeek(header.offset4 + struct4Offset);
    Struct4 struct4s[struct4Count];
    FSeek(pos);
} Struct1 <bgcolor=cLtGreen, optimize=false>;


typedef struct {
    int nameOffset <format=hex>;
    byte struct10Count;
    byte unk05 <hidden=true>; Assert(unk05 == 0);
    byte unk06 <hidden=true>; Assert(unk06 == 0);
    byte unk07 <hidden=true>; Assert(unk07 == 0);
    byte unk08;
    byte unk09;
    short unk0A <hidden=true>; Assert(unk0A == 0);
    short unk0C; Assert(!(unk0C & 0xFF00)); // Byte or short?
    short unk0E <hidden=true>; Assert(unk0E == 0);
    int unk10 <hidden=true>; Assert(unk10 == 0);
    int unk14 <hidden=true>; Assert(unk14 == 0);
    int struct10Offset <format=hex>;
    
    local quad pos <hidden=true> = FTell();
    FSeek(header.offset12 + nameOffset);
    string name;
    FSeek(header.offset10 + struct10Offset);
    Struct10 struct10s[struct10Count];
    FSeek(pos);
} Struct2 <read=ReadStruct2, bgcolor=cDkYellow, optimize=false>;

string ReadStruct2(Struct2& s2) {
    return s2.name;
}


typedef struct {
    float unk00;
    byte struct5Count; Assert(struct5Count == 1);
    byte unk05 <hidden=true>; Assert(unk05 == 0);
    byte unk06 <hidden=true>; Assert(unk06 == 0);
    byte unk07 <hidden=true>; Assert(unk07 == 0);
    int struct5Offset <format=hex>;
    int unk0C <hidden=true>; Assert(unk0C == 0);
    int unk10 <hidden=true>; Assert(unk10 == 0);
    int unk14 <hidden=true>; Assert(unk14 == 0);
    
    local quad pos <hidden=true> = FTell();
    FSeek(header.offset5 + struct5Offset);
    Struct5 struct5[struct5Count];
    FSeek(pos);
} Struct4 <bgcolor=cDkGreen, optimize=false>;


typedef struct {
    short unk00;
    short struct6Count;
    int unk04 <hidden=true>; Assert(unk04 == 0);
    int unk08 <hidden=true>; Assert(unk08 == 0);
    int unk0C <hidden=true>; Assert(unk0C == 0);
    int unk10 <hidden=true>; Assert(unk10 == 0);
    int struct6Offset <format=hex>;
    
    local quad pos <hidden=true> = FTell();
    FSeek(header.offset6 + struct6Offset);
    Struct6 struct6s[struct6Count];
    FSeek(pos);
} Struct5 <bgcolor=cLtYellow, optimize=false>;


typedef struct {
    int unk00;
    int unk04;
} Struct6 <bgcolor=cYellow>;


typedef struct {
    int unk00;
    int unk04;
    int unk08;
} Struct10 <bgcolor=cAqua>;

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

Header header;
FSeek(header.offset1);
struct { Struct1 struct1s[header.count1]; } struct1s;
if (header.count2 > 0) {
    FSeek(header.offset2);
    struct { Struct2 struct2s[header.count2]; } struct2s;
}
FSeek(header.offset11);
// This is probably referenced somewhere but since the offsets are relative
// and there's only ever one string, I don't know where
string fileNameAgain <bgcolor=cRed>; Assert(fileNameAgain == header.name);