/// <summary>
/// Creates a Structure filled with data.
/// </summary>
/// <param name="data">Bytestream representing the data to be filled.</param>
/// <param name="template">Structure prototype that matches the bytestream.</param>
/// <param name="file">Source file object.</param>
protected Structure(byte[] data, StructureDefinition template, BlenderFile file)
{
// since this is a root structure, set its name to the type name (as an identification) and
// Value to the type name (as expected by IField)
Name = Value = TypeName = template.StructureTypeName;
// roots have no parents
Parent = null;
Size = template.StructureTypeSize;
List <IField> fields = new List <IField>();
int pos = 0;
this.ContainingFile = file;
parseStructureFields(this, template, data, ref fields, ref pos); // begin recursive parsing
Fields = fields.ToArray();
}
/// <summary>
/// Parses a file block. If the file block is SDNA or another block with block.count == 0, it will return null.
/// </summary>
/// <param name="block">The block to parse.</param>
/// <param name="blocksParsed">Number of blocks parsed so far.</param>
/// <param name="file">Source file for the structures.</param>
/// <returns>An array of PopulatedStructures, or { null } if no structures are defined.</returns>
public static Structure[] ParseFileBlock(FileBlock block, int blocksParsed, BlenderFile file)
{
if (block.Count == 0 || block.Code == "DNA1")
{
return(null);
}
StructureDNA sdna = file.StructureDNA;
if (block.Data.Length != sdna.StructureList[block.SDNAIndex].StructureTypeSize * block.Count)
{
// generally, these are things like raw data; packed files, preview images, and arrays of pointers that are themselves pointed to.
// I have no idea what TEST and REND do.
file.RawBlockMessages.Add(blocksParsed + " " + block.OldMemoryAddress.ToString("X" + (file.PointerSize * 2)) + " " + block.Code + " " + block.SDNAIndex + " " + sdna.StructureList[block.SDNAIndex].StructureTypeSize * block.Count + " " + block.Data.Length);
return(null);
}
Structure[] output = new Structure[block.Count];
if (block.Count > 1)
{
for (int i = 0; i < block.Count; i++)
{
byte[] data = new byte[block.Size / block.Count];
for (int j = 0; j < block.Size / block.Count; j++)
{
data[j] = block.Data[i * (block.Size / block.Count) + j];
}
output[i] = new Structure(data, sdna.StructureList[block.SDNAIndex], file);
output[i].Size = sdna.StructureList[block.SDNAIndex].StructureTypeSize;
output[i].TypeName = sdna.StructureList[block.SDNAIndex].StructureTypeName;
output[i].ContainingBlock = block;
}
}
else
{
output[0] = new Structure(block.Data, sdna.StructureList[block.SDNAIndex], file);
output[0].Size = sdna.StructureList[block.SDNAIndex].StructureTypeSize;
output[0].TypeName = sdna.StructureList[block.SDNAIndex].StructureTypeName;
output[0].ContainingBlock = block;
}
return(output);
}
