public static bool Load(RiffChunk parent, RiffChunk chunk, IReadable stream)
{
if (parent != null && RiffChunk.HeaderSize > parent.Size)
{
return(false);
}
if (stream.Position + HeaderSize >= stream.Length)
{
return(false);
}
chunk.Id = stream.Read8BitStringLength(4);
if (chunk.Id[0] <= ' ' || chunk.Id[0] >= 'z')
{
return(false);
}
chunk.Size = stream.ReadUInt32LE();
if (parent != null && HeaderSize + chunk.Size > parent.Size)
{
return(false);
}
if (parent != null)
{
parent.Size -= HeaderSize + chunk.Size;
}
var isRiff = chunk.Id == "RIFF";
var isList = chunk.Id == "LIST";
if (isRiff && parent != null)
{
// not allowed
return(false);
}
if (!isRiff && !isList)
{
// custom type without sub type
return(true);
}
// for lists unwrap the list type
chunk.Id = stream.Read8BitStringLength(4);
if (chunk.Id[0] <= ' ' || chunk.Id[0] >= 'z')
{
return(false);
}
chunk.Size -= 4;
return(true);
}
public void Load(IReadable readable)
{
var chunkHead = new RiffChunk();
var chunkFastList = new RiffChunk();
if (!RiffChunk.Load(null, chunkHead, readable) || chunkHead.Id != "sfbk")
{
return;
}
while (RiffChunk.Load(chunkHead, chunkFastList, readable))
{
var chunk = new RiffChunk();
if (chunkFastList.Id == "pdta")
{
while (RiffChunk.Load(chunkFastList, chunk, readable))
{
switch (chunk.Id)
{
case "phdr":
for (uint i = 0, count = chunk.Size / HydraPhdr.SizeInFile; i < count; i++)
{
Phdrs.Add(HydraPhdr.Load(readable));
}
break;
case "pbag":
for (uint i = 0, count = chunk.Size / HydraPbag.SizeInFile; i < count; i++)
{
Pbags.Add(HydraPbag.Load(readable));
}
break;
case "pmod":
for (uint i = 0, count = chunk.Size / HydraPmod.SizeInFile; i < count; i++)
{
Pmods.Add(HydraPmod.Load(readable));
}
break;
case "pgen":
for (uint i = 0, count = chunk.Size / HydraPgen.SizeInFile; i < count; i++)
{
Pgens.Add(HydraPgen.Load(readable));
}
break;
case "inst":
for (uint i = 0, count = chunk.Size / HydraInst.SizeInFile; i < count; i++)
{
Insts.Add(HydraInst.Load(readable));
}
break;
case "ibag":
for (uint i = 0, count = chunk.Size / HydraIbag.SizeInFile; i < count; i++)
{
Ibags.Add(HydraIbag.Load(readable));
}
break;
case "imod":
for (uint i = 0, count = chunk.Size / HydraImod.SizeInFile; i < count; i++)
{
Imods.Add(HydraImod.Load(readable));
}
break;
case "igen":
for (uint i = 0, count = chunk.Size / HydraIgen.SizeInFile; i < count; i++)
{
Igens.Add(HydraIgen.Load(readable));
}
break;
case "shdr":
for (uint i = 0, count = chunk.Size / HydraShdr.SizeInFile; i < count; i++)
{
SHdrs.Add(HydraShdr.Load(readable));
}
break;
default:
readable.Position += (int)chunk.Size;
break;
}
}
}
else if (chunkFastList.Id == "sdta")
{
while (RiffChunk.Load(chunkFastList, chunk, readable))
{
switch (chunk.Id)
{
case "smpl":
FontSamples = LoadSamples(chunk, readable);
break;
default:
readable.Position += (int)chunk.Size;
break;
}
}
}
else
{
readable.Position += (int)chunkFastList.Size;
}
}
}