public MetaBuilderPointer AddItem(MetaName type, byte[] data)
{
MetaBuilderBlock block = EnsureBlock(type);
int brem = data.Length % 16;
if (brem > 0)
{
int newlen = data.Length - brem + 16;
byte[] newdata = new byte[newlen];
Buffer.BlockCopy(data, 0, newdata, 0, data.Length);
data = newdata; //make sure item size is multiple of 16... so pointers don't need sub offsets!
}
int idx = block.AddItem(data);
MetaBuilderPointer r = new MetaBuilderPointer();
r.BlockID = block.Index + 1;
r.Offset = (idx * data.Length);
r.Length = data.Length;
return(r);
}
int MaxBlockLength = 0x4000; //TODO: figure what this should be!
public MetaBuilderBlock EnsureBlock(MetaName type)
{
foreach (var block in Blocks)
{
if (block.StructureNameHash == type)
{
if (block.TotalSize < MaxBlockLength)
{
return(block);
}
}
}
MetaBuilderBlock b = new MetaBuilderBlock();
b.StructureNameHash = type;
b.Index = Blocks.Count;
Blocks.Add(b);
return(b);
}
public MetaBuilderPointer AddItemArray(MetaName type, byte[] data, int length)
{
MetaBuilderBlock block = EnsureBlock(type);
int datalen = data.Length;
int newlen = datalen;
int lenrem = newlen % 16;
if (lenrem != 0)
{
newlen += (16 - lenrem);
}
byte[] newdata = new byte[newlen];
Buffer.BlockCopy(data, 0, newdata, 0, datalen);
int offs = block.TotalSize;
int idx = block.AddItem(newdata);
MetaBuilderPointer r = new MetaBuilderPointer();
r.BlockID = block.Index + 1;
r.Offset = offs; //(idx * data.Length);;
r.Length = length;
return(r);
}