common.bt

// Common

typedef struct (uint32 count, string magic) {
  char data[count] <bgcolor=cLtRed, format=hex>;
  Assert(data == magic);
} Magic <read=ReadMagic>;
string ReadMagic(Magic& value) { return value.data; }

typedef struct (uint32 value) {
  uint32 data <bgcolor=cGray, format=hex>;
  Assert(data == value);
} Fixed32 <read=ReadFixed32>;
string ReadFixed32(Fixed32& value) { string out; SPrintf(out, "%08Xh", value.data); return out; }

typedef struct (uint64 value) {
  uint64 data <bgcolor=cGray, format=hex>;
  Assert(data == value);
} Fixed64 <read=ReadFixed64>;
string ReadFixed64(Fixed64& value) { string out; SPrintf(out, "%016LXh", value.data); return out; }

typedef struct { string value; } String <bgcolor=cLtYellow, read=ReadStr>;
string ReadStr(String& data) { return data.value; }

typedef struct (uint32 size) { char value[size]; } PaddedString <bgcolor=cLtYellow, read=ReadPaddedString>;
string ReadPaddedString(PaddedString& data) { return data.value; }

typedef struct { uint32 size; char value[size]; } SizedString <bgcolor=cLtYellow, read=ReadSizedString>;
string ReadSizedString(SizedString& data) { return data.value; }

typedef struct { byte size; char value[size]; } Sized8String <bgcolor=cLtYellow, read=ReadSized8String>;
string ReadSized8String(Sized8String& data) { return data.value; }

typedef struct { uint32 count; uint32 data[count]; } UInt32Array;

typedef struct {
  uint32 data <bgcolor=0x80a0ff, format=hex>;
} ResId <read=ReadResId>;
string ReadResId(ResId& value) { string out; SPrintf(out, "%08Xh", value.data); return out; }

typedef struct (uint32 width, uint32 height) {
  local uint32 width = width;
  local uint32 height = height;
  float data[width * height] <bgcolor=cLtPurple, format=hex>;
} Matrix <read=ReadMatrix>;
string ReadMatrix(Matrix& value) {
  local string out = "{", buf;
  local uint32 x,y;
  for (y = 0; y < value.height; ++y) {
    if (y > 0) out += ",\n";
    out += "{";
    for (x = 0; x < value.width; ++x) {
      if (x > 0) out += ",";
      SPrintf(buf, "%f", value.data[x + y * value.width]);
      out += buf;
    }
    out += "}";
  }
  out += "}";
  return out;
}

struct Chunk {
  uint32 size <bgcolor=cLtBlue>;
  byte   data[size] <bgcolor=cLtYellow>;
};