public override ErrorInfo TryParseData(IDataModel model, string name, int dataIndex, ref IFormattedRun run)
{
run = new PLMRun(model, dataIndex);
if (run.Length == 0)
{
return(new ErrorInfo("Format specified was for pokemon level-up move data, but could not parse that location as level-up move data."));
}
return(ErrorInfo.NoError);
}
public override void UpdateNewRunFromPointerFormat(IDataModel model, ModelDelta token, string name, IReadOnlyList <ArrayRunElementSegment> sourceSegments, int parentIndex, ref IFormattedRun run)
{
var runAttempt = new PLMRun(model, run.Start);
if (runAttempt.Length > 0)
{
run = runAttempt.MergeAnchor(run.PointerSources);
model.ClearFormat(token, run.Start, run.Length);
}
}
public override bool TryAddFormatAtDestination(IDataModel owner, ModelDelta token, int source, int destination, string name, IReadOnlyList <ArrayRunElementSegment> sourceSegments, int parentIndex)
{
var plmRun = new PLMRun(owner, destination);
var length = plmRun.Length;
if (length < 2)
{
return(false);
}
if (!(token is NoDataChangeDeltaModel))
{
owner.ObserveRunWritten(token, plmRun);
}
return(true);
}
/// <summary>
/// Parses text in a PLM run to get the level and move.
/// returns an error string if the parse fails.
/// </summary>
private string ValidatePlmText(PLMRun run, int quoteCount, out int level, out int move)
{
(level, move) = (default, default);
public void Visit(PlmItem item, byte data)
{
var memoryLocation = this.memoryLocation;
var run = (PLMRun)Model.GetNextRun(memoryLocation);
// part 1: contraction (if they entered the end token)
if (CurrentText == EggMoveRun.GroupStart + EggMoveRun.GroupEnd)
{
for (int i = this.memoryLocation; i < run.Start + run.Length; i += 2)
{
Model.WriteMultiByteValue(i, 2, CurrentChange, 0xFFFF);
}
Model.ObserveRunWritten(CurrentChange, new PLMRun(Model, run.Start));
return;
}
// part 2: validation
if (!CurrentText.Contains(" "))
{
return;
}
var quoteCount = CurrentText.Count(c => c == StringDelimeter);
if (quoteCount % 2 != 0)
{
return;
}
if (!CurrentText.EndsWith(StringDelimeter.ToString()) && !CurrentText.EndsWith(" "))
{
return;
}
ErrorText = ValidatePlmText(run, quoteCount, out var level, out var move);
if (ErrorText != null || move == -1)
{
return;
}
// part 3: write to the model
NewDataIndex = memoryLocation + 2;
Result = true;
var value = (level << 9) + move;
var initialItemValue = Model.ReadMultiByteValue(memoryLocation, 2);
Model.WriteMultiByteValue(memoryLocation, 2, CurrentChange, value);
// part 4: expansion
if (initialItemValue == 0xFFFF)
{
var newRun = Model.RelocateForExpansion(CurrentChange, run, run.Length + 2);
if (newRun.Start != run.Start)
{
MessageText = $"Level Up Moves were automatically moved to {newRun.Start.ToString("X6")}. Pointers were updated.";
memoryLocation += newRun.Start - run.Start;
NewDataIndex = memoryLocation + 2;
DataMoved = true;
}
Model.WriteMultiByteValue(memoryLocation + 2, 2, CurrentChange, 0xFFFF);
var lvlRun = new PLMRun(Model, newRun.Start);
Model.ObserveRunWritten(CurrentChange, lvlRun);
}
}
