public Movement(IXmlNode elem) :
this(elem.attr("beats").toDouble(),
getHands(elem.attr("hands")),
elem.attr("cx1").toDouble(),
elem.attr("cy1").toDouble(),
elem.attr("cx2").toDouble(),
elem.attr("cy2").toDouble(),
elem.attr("x2").toDouble(),
elem.attr("y2").toDouble(),
elem.attr(elem.hasAttr("cx3") ? "cx3" : "cx1").toDouble(),
elem.attr(elem.hasAttr("cx4") ? "cx4" : "cx2").toDouble(),
elem.attr(elem.hasAttr("cy4") ? "cy4" : "cy2").toDouble(),
elem.attr(elem.hasAttr("x4") ? "x4" : "x2").toDouble(),
elem.attr(elem.hasAttr("y4") ? "y4" : "y2").toDouble(),
elem.attr("beats").toDouble())
{
}
// Takes a move, which is an XML element that references another XML
// path with its "select" attribute
// Returns an array of movements
public static List <Movement> translateMove(IXmlNode move)
{
// First retrieve the requested path
var movename = move.attr("select");
var pathelem = mdoc.SelectNodes($"//path[@name='{movename}']").First();
// Get the list of movements
var movements = translatePath(pathelem);
// Get any modifications
var scaleX = move.hasAttr("scaleX") ? move.attr("scaleX").toDouble() : 1;
var scaleY = (move.hasAttr("scaleY") ? move.attr("scaleY").toDouble() : 1) *
(move.hasAttr("reflect") ? -1 : 1);
var offsetX = move.hasAttr("offsetX") ? move.attr("offsetX").toDouble() : 0;
var offsetY = move.hasAttr("offsetY") ? move.attr("offsetY").toDouble() : 0;
var hands = move.attr("hands");
// Sum up the total beats so if beats is given as a modification
// we know how much to change each movement
var oldbeats = movements.Sum(m => m.beats);
var beatfactor = move.hasAttr("beats") ? move.attr("beats").toDouble() / oldbeats : 1;
// Now go through the movements applying the modifications
// The resulting list is the return value
return(movements.Select(m => m.useHands(hands.Length > 0 ? Movement.getHands(hands) : m.hands)
.scale(scaleX, scaleY)
.skew(offsetX, offsetY)
.time(m.beats * beatfactor)).ToList());
}
/**
* Returns animation element, looking up cross-reference if needed.
*/
public static IXmlNode tamXref(IXmlNode tam)
{
if (tam.hasAttr("xref-link"))
{
var link = tam.attr("xref-link") + ".xml";
var xdoc = getXMLAsset(link);
var s = "//tam";
if (tam.hasAttr("xref-title"))
{
s += "[@title='" + tam.attr("xref-title") + "']";
}
if (tam.hasAttr("xref-from"))
{
s += "[@from='" + tam.attr("xref-from") + "']";
}
return(xdoc.SelectNodes(s).First());
}
else
{
return(tam);
}
}
public void resetAnimation()
{
if (tam != null)
{
leadin = interactiveDancer < 0 ? 2 : 3;
leadout = interactiveDancer < 0 ? 2 : 1;
// if (isRunnning)
// doneCallback();
isRunning = false;
beats = 0.0;
var tlist = tam.SelectNodes("formation");
var formation = tlist.Length > 0
? tlist.First() // formation defined in animation
: tam.hasAttr("formation")
? TamUtils.getFormation(tam.attr("formation")) // formation reference to formations.xml
: tam; // formation passed in for sequencer
var flist = formation.SelectNodes("dancer");
dancers = new Dancer[flist.Length * (int)geometry];
// Except for the phantoms, these are the standard colors
// used for teaching callers
var dancerColor = geometry == GeometryType.HEXAGON ?
new Color[] { Colors.Red, Colors.ForestGreen, Colors.Magenta,
Colors.Blue, Colors.Yellow, Colors.Cyan,
Colors.LightGray, Colors.LightGray, Colors.LightGray, Colors.LightGray }
:
new Color[] { Colors.Red, ColorUtilities.ColorFromHex(0xff00c000), Colors.Blue, Colors.Yellow,
Colors.LightGray, Colors.LightGray, Colors.LightGray, Colors.LightGray };
// Get numbers for dancers and couples
// This fetches any custom numbers that might be defined in
// the animation to match a Callerlab or Ceder Chest illustration
var paths = tam.SelectNodes("path");
var numbers = geometry == GeometryType.HEXAGON ?
new string[] { "A", "E", "I",
"B", "F", "J",
"C", "G", "K",
"D", "H", "L",
"u", "v", "w", "x", "y", "z" }
: geometry == GeometryType.BIGON || paths.Length == 0 ?
new string[] { "1", "2", "3", "4", "5", "6", "7", "8" }
: TamUtils.getNumbers(tam);
var couples = geometry == GeometryType.HEXAGON ?
new string[] { "1", "3", "5", "1", "3", "5",
"2", "4", "6", "2", "4", "6",
"7", "8", "7", "8", "7", "8" }
: geometry == GeometryType.BIGON ?
new string[] { "1", "2", "3", "4", "5", "6", "7", "8" }
: paths.Length == 0 ?
new string[] { "1", "3", "1", "3", "2", "4", "2", "4" }
: TamUtils.getCouples(tam);
var geoms = GeometryMaker.makeAll(geometry);
// Select a random dancer of the correct gender for the interactive dancer
var icount = -1;
var im = Matrix3x2.Identity;
if (interactiveDancer > 0)
{
var rand = new Random();
var selector = interactiveDancer == (int)Gender.BOY
? "dancer[@gender='boy']" : "dancer[@gender='girl']";
var glist = formation.SelectNodes(selector);
icount = rand.Next(glist.Count);
// If the animations starts with "Heads" or "Sides"
// then select the first dancer.
// Otherwise the formation could rotate 90 degrees
// which would be confusing
var title = tam.attr("title");
if (title.Contains("Heads") || title.Contains("Sides"))
{
icount = 0;
}
// Find the angle the interactive dancer faces at start
// We want to rotate the formation so that direction is up
var iangle = glist.Item((uint)icount).attr("angle").toDouble();
im = Matrix.CreateRotation(-iangle.toRadians()) * im;
icount = icount * geoms.Count() + 1;
}
// Create the dancers and set their starting positions
int dnum = 0;
for (var i = 0; i < flist.Length; i++)
{
var fd = flist.ElementAt(i);
var x = fd.attr("x").toDouble();
var y = fd.attr("y").toDouble();
var angle = fd.attr("angle").toDouble();
var gender = fd.attr("gender");
var g = gender == "boy" ? Gender.BOY : gender == "girl" ? Gender.GIRL : Gender.PHANTOM;
var movelist = paths.Length > i?TamUtils.translatePath(paths.ElementAt(i))
: new List <Movement>();
// Each dancer listed in the formation corresponds to
// one, two, or three real dancers depending on the geometry
foreach (Geometry geom in geoms)
{
var m = Matrix3x2.Identity * Matrix.CreateRotation(angle.toRadians()) * Matrix.CreateTranslation(x, y) * im;
var nstr = g == Gender.PHANTOM ? " " : numbers[dnum];
var cstr = g == Gender.PHANTOM ? " " : couples[dnum];
var c = g == Gender.PHANTOM ? Colors.LightGray : dancerColor[int.Parse(cstr) - 1];
// add one dancer
//icount -= 1;
if ((int)g == interactiveDancer && --icount == 0)
{
idancer = new InteractiveDancer(nstr, cstr, g, c, m, geom.clone(), movelist);
dancers[dnum] = idancer;
}
else
{
dancers[dnum] = new Dancer(nstr, cstr, g, c, m, geom.clone(), movelist);
dancers[dnum].hidden = g == Gender.PHANTOM && !showPhantoms;
}
beats = Math.Max(dancers[dnum].beats + leadout, beats);
dnum++;
}
} // All dancers added
// Initialize other stuff
parts = tam.attr("parts") + tam.attr("fractions");
hasParts = tam.attr("parts").Length > 0;
isRunning = false;
beat = -leadin;
prevbeat = -leadin;
partbeats = partsValues();
// force a redraw
canvas.Invalidate();
// ready callback
Callouts.animationReady();
}
}