static bool WriteAafHeader(aBinaryReader reader, aBinaryWriter writer, int id, int index, byte[] data)
{
long reader_base = reader.Position;
long writer_base = writer.Position;
int old_offset, old_size;
if (!ReadAafHeader(reader, id, index, out old_offset, out old_size))
{
return(false);
}
int difference = (data.Length - old_size);
reader.Goto(reader_base);
int section;
while ((section = reader.ReadS32()) != 0)
{
bool has_vnum = (section == 2 || section == 3);
writer.WriteS32(section);
int offset, size;
int i = 0;
while ((offset = reader.ReadS32()) != 0)
{
size = reader.ReadS32();
if (offset > old_offset)
{
offset += difference;
}
writer.Keep();
writer.Goto(writer_base + offset);
if (section == id && i == index)
{
writer.Write8s(data);
size = data.Length;
}
else
{
reader.Keep();
reader.Goto(reader_base + offset);
writer.Write8s(reader.Read8s(size));
reader.Back();
}
writer.Back();
writer.WriteS32(offset);
writer.WriteS32(size);
if (has_vnum)
{
writer.WriteS32(reader.ReadS32());
}
++i;
}
writer.WriteS32(0);
}
writer.WriteS32(0);
writer.Goto(writer.Length);
writer.WritePadding(32, 0);
return(true);
}
static bool WriteAafHeader(aBinaryReader reader, aBinaryWriter writer, int id, int index, byte[] data)
{
long reader_base = reader.Position;
long writer_base = writer.Position;
int old_offset, old_size;
if (!ReadAafHeader(reader, id, index, out old_offset, out old_size))
{
return(false);
}
int difference = (data.Length - old_size);
mareep.WriteMessage("Entry size difference: {0} byte(s)\n", difference);
int danger_level = 0;
reader.Goto(reader_base);
int section;
while ((section = reader.ReadS32()) != 0)
{
if (danger_level++ > 1000)
{
mareep.WriteError("CHARGE: malformed AAF file (endless loop detected)");
}
bool has_vnum = (section == 2 || section == 3);
writer.WriteS32(section);
int offset, size;
int i = 0;
while ((offset = reader.ReadS32()) != 0)
{
if (danger_level++ > 1000)
{
mareep.WriteError("CHARGE: malformed AAF file (endless loop detected)");
}
size = reader.ReadS32();
int new_offset = offset;
if (new_offset > old_offset)
{
new_offset += difference;
}
writer.Keep();
writer.Goto(writer_base + new_offset);
if (section == id && i == index)
{
writer.Write8s(data);
size = data.Length;
}
else
{
reader.Keep();
reader.Goto(reader_base + offset);
writer.Write8s(reader.Read8s(size));
reader.Back();
}
writer.Back();
writer.WriteS32(new_offset);
writer.WriteS32(size);
if (has_vnum)
{
writer.WriteS32(reader.ReadS32());
}
++i;
}
writer.WriteS32(0);
}
writer.WriteS32(0);
writer.Goto(writer.Length);
writer.WritePadding(32, 0);
return(true);
}
