private int GetFootForArrow(int arrow, MetricPosition position, ExpressedChart.ChartSearchNode node)
{
while (node != null && node.Position == position)
{
if (node.PreviousLink != null && !node.PreviousLink.GraphLink.IsRelease())
{
// If this step is a footswap we need to ignore the other foot, which may still be resting on this arrow.
var previousStepLink = node.GetPreviousStepLink();
var footSwapFoot = InvalidFoot;
var footSwapPortion = DefaultFootPortion;
var footSwap = previousStepLink?.GraphLink.IsFootSwap(out footSwapFoot, out footSwapPortion) ?? false;
if (footSwap && node.GraphNode.State[footSwapFoot, footSwapPortion].Arrow == arrow)
{
return(footSwapFoot);
}
// No footswap on the given arrow.
for (var f = 0; f < NumFeet; f++)
{
for (var p = 0; p < NumFootPortions; p++)
{
if (node.GraphNode.State[f, p].Arrow == arrow)
{
return(f);
}
}
}
}
node = node.GetNextNode();
}
return(InvalidFoot);
}
private void WriteExpression(ExpressedChart.ChartSearchNode node, double y)
{
if (node == null)
{
return;
}
var position = node.Position;
while (node != null && node.Position == position)
{
if (node.PreviousLink != null && !node.PreviousLink.GraphLink.IsRelease())
{
var writeCost = false;
for (var p = 0; p < NumFootPortions; p++)
{
// Left Foot
if (LastExpressionPosition[L] < y && node.PreviousLink.GraphLink.Links[L, p].Valid)
{
var leftX = ExpressedChartX + ExpressionColumnInfo[(int)ExpressionColumns.LeftFoot].X;
var stepStr = StepTypeStrings[(int)node.PreviousLink.GraphLink.Links[L, p].Step];
if (node.PreviousLink.GraphLink.IsJump())
{
stepStr = "[Jump] " + stepStr;
}
StreamWriter.Write(
$@" <p class=""exp_text"" style=""top:{(int)(y - ChartTextH * .5)}px; left:{leftX}px; width:{ExpressionColW}px;"">{stepStr}</p>
");
writeCost = true;
LastExpressionPosition[L] = y;
}
// Right Foot
if (LastExpressionPosition[R] < y && node.PreviousLink.GraphLink.Links[R, p].Valid)
{
var rightX = ExpressedChartX + ExpressionColumnInfo[(int)ExpressionColumns.RightFoot].X;
var stepStr = StepTypeStrings[(int)node.PreviousLink.GraphLink.Links[R, p].Step];
if (node.PreviousLink.GraphLink.IsJump())
{
stepStr = "[Jump] " + stepStr;
}
StreamWriter.Write(
$@" <p class=""exp_text"" style=""top:{(int)(y - ChartTextH * .5)}px; left:{rightX}px; width:{ExpressionColW}px;"">{stepStr}</p>
");
writeCost = true;
LastExpressionPosition[R] = y;
}
}
// Cost
if (writeCost)
{
var costX = ExpressedChartX + ExpressionColumnInfo[(int)ExpressionColumns.Cost].X;
StreamWriter.Write(
$@" <p class=""exp_text"" style=""top:{(int) (y - ChartTextH * .5)}px; left:{costX}px; width:{CostColW}px;"">{node.Cost}</p>
");
}
}
node = node.GetNextNode();
}
}
