public override void ReadValue(EndianReader reader)
{
IsBusy = true;
IsEnabled = true;
try
{
//force block index dropdown to reset
blockIndex = -1;
RaisePropertyChanged(nameof(BlockIndex));
Children.Clear();
BlockLabels.Clear();
reader.Seek(ValueAddress, SeekOrigin.Begin);
var expander = (context.Cache as IMccCacheFile)?.PointerExpander;
BlockCount = reader.ReadInt32();
BlockAddress = new Pointer(reader.ReadInt32(), context.Cache.DefaultAddressTranslator, expander).Address;
if (BlockCount <= 0 || BlockAddress < 0 || BlockAddress + BlockCount * BlockSize > reader.BaseStream.Length)
{
IsEnabled = false;
return;
}
blockIndex = 0;
foreach (XmlNode n in node.ChildNodes)
{
Children.Add(GetMetaValue(n, context, BlockAddress));
}
var entryOffset = node.GetIntAttribute("entryName", "entryOffset", "label");
var isExplicit = entryOffset.HasValue;
entryOffset = entryOffset ?? 0;
labelValue = Children.FirstOrDefault(c => c.Offset == entryOffset);
if ((isExplicit && labelValue is SimpleValue) || labelValue is StringValue || labelValue is TagReferenceValue)
{
var labels = new List <string>();
for (int i = BlockCount - 1; i >= 0; i--) //end at 0 so the first entry is displayed when done
{
labelValue.BaseAddress = BlockAddress + i * BlockSize;
labelValue.ReadValue(reader);
labels.Insert(0, GetEntryString(i, labelValue));
}
BlockLabels.AddRange(labels);
}
else
{
labelValue = null;
BlockLabels.AddRange(Enumerable.Range(0, BlockCount).Select(i => $"Block {i:D2}"));
}
RaisePropertyChanged(nameof(BlockIndex));
RaisePropertyChanged(nameof(HasChildren));
}
catch { IsEnabled = false; }
IsBusy = false;
}
private string GetEntryString(int index, MetaValue value)
{
if (value.EntryString == null)
{
return($"Block {index:D2}");
}
else
{
return($"{index:D2} : {value.EntryString}");
}
}
internal void AddValue(XmlNode node, MetaValue value)
{
if (valuesByNode.ContainsKey(node))
{
valuesByNode[node] = value;
}
else
{
valuesByNode.Add(node, value);
}
}
