public void Save(string file)
{
Console.WriteLine(file);
using (var bw = new BinaryWriter(File.Create(file)))
{
// skip header until later ------------------------------------------------------------------------------------
bw.Pad(Header.HeaderLength);
if (EventGroupsA.Count != EventGroupsB.Count)
{
throw new Exception($"Event groups A and B count don't match ({EventGroupsA.Count}, {EventGroupsB.Count})");
}
int numGroups = EventGroupsA.Count;
// write the list containing the number of items in each subgroup ----------------------------------------------
for (int i = 0; i < numGroups; i++)
{
var groupA = EventGroupsA[i];
var groupB = EventGroupsB[i];
if (groupA.Count != groupB.Count)
{
throw new Exception($"Event group {i} does not contain the same number of events in A and B");
}
bw.Write(groupA.Count);
}
// skip offset table until later ------------------------------------------------------------------------------
int numOffsets = EventGroupsA.Sum(i => i.Count);
// the +1 is because there's an 'end' one too
// *4 for each byte in an offset entry
// *2 for the two tables A and B
int dataStart = OffsetTableStart + (numOffsets + 1) * 4 * 2;
bw.BaseStream.Seek(dataStart, SeekOrigin.Begin);
// write data, keep track of offsets ----------------------------------------------------------------------------
List <List <int> > offsetsA = new List <List <int> >();
long startOffsetA = bw.BaseStream.Position;
foreach (var group in EventGroupsA)
{
List <int> subgroupOffsets = new List <int>();
offsetsA.Add(subgroupOffsets);
foreach (var(b, e) in group)
{
subgroupOffsets.Add((int)(bw.BaseStream.Position - startOffsetA));
bw.Write(b);
e.WriteTo(bw);
}
}
List <List <int> > offsetsB = new List <List <int> >();
long startOffsetB = bw.BaseStream.Position;
int tableBDataOffset = (int)(startOffsetB - startOffsetA);
foreach (var group in EventGroupsB)
{
List <int> subgroupOffsets = new List <int>();
offsetsB.Add(subgroupOffsets);
foreach (var e in group)
{
subgroupOffsets.Add((int)(bw.BaseStream.Position - startOffsetB));
e.WriteTo(bw);
}
}
int dataEndB = (int)(bw.BaseStream.Position - startOffsetB);
// pad the file to be divisible by 0x10
while (bw.BaseStream.Length % 8 != 0)
{
bw.Pad(1);
}
// write offsets ----------------------------------------------------------------------------------------------
bw.BaseStream.Position = OffsetTableStart;
foreach (var offsets in offsetsA)
{
foreach (var o in offsets)
{
bw.Write(o);
}
}
bw.Write(tableBDataOffset);
foreach (var offsets in offsetsB)
{
foreach (var o in offsets)
{
bw.Write(o);
}
}
bw.Write(dataEndB);
// write the header ----------------------------------------------------------------------------------------------
var header = new Header()
{
FortyEight = 0x48,
FileId = FileId,
Unknown = HeaderUnknown,
NumGroups = numGroups,
TableBDataOffset = tableBDataOffset,
FileLength = (int)bw.BaseStream.Length,
NumOffsets = numOffsets
};
bw.BaseStream.Position = 0;
header.WriteTo(bw);
}
}