Examples with Time com.xenoage.zong.core.position.Time used on opensource projects

Example 1 with Time

use of com.xenoage.zong.core.position.Time in project Zong by Xenoage.

the class DynamicsFinder method findStaffDynamics.

/**
 * Walk through the measures of the given staff and repetition and find the dynamics.
 * Starts with the given initial dynamic. Returns the dynamic value at the end of the
 * repetition.
 */
private DynamicValue findStaffDynamics(int staff, int repetition, DynamicValue startDynamics) {
    val rep = repetitions.get(repetition);
    // walk through the measures
    Time currentStartTime = rep.start;
    DynamicsType currentDynamic = new FixedDynamics(startDynamics);
    for (int iMeasure : range(rep.start.getMeasure(), rep.end.getMeasure())) {
        if (iMeasure >= score.getMeasuresCount())
            break;
        val measure = score.getMeasure(atMeasure(staff, iMeasure));
        for (val beat : measure.getDirections().getBeats()) {
            val newTime = Companion.time(iMeasure, beat);
            DynamicsType newDynamic = null;
            // if beat is out of the repetition range, ignore it
            if (false == rep.contains(newTime))
                continue;
            // find dynamics change
            if (currentDynamic instanceof GradientDynamics) {
                // wedge ending at this beat?
                val closedWedge = getWedgeEndAt(staff, newTime, (GradientDynamics) currentDynamic);
                if (closedWedge != null) {
                    currentDynamic = closedWedge;
                    // continue with the end dynamic of the wedge
                    newDynamic = new FixedDynamics(closedWedge.end);
                }
            } else if (newDynamic == null) {
                // new dynamic starting? then close currently open period and open new one
                newDynamic = getStaffDynamicStartAt(staff, newTime, currentDynamic.getEndValue());
            }
            // when change was found, apply it
            if (newDynamic != null) {
                if (false == currentStartTime.equals(newTime) && false == currentDynamic.equals(newDynamic)) {
                    val period = new DynamicsPeriod(currentStartTime, newTime, currentDynamic);
                    periods.addPeriodToStaff(period, staff, repetition);
                    currentStartTime = newTime;
                }
                currentDynamic = newDynamic;
            }
        }
    }
    // close the dynamics period at the end of the repetition
    val period = new DynamicsPeriod(currentStartTime, rep.end, currentDynamic);
    periods.addPeriodToStaff(period, staff, repetition);
    return currentDynamic.getEndValue();
}

Example 2 with Time

use of com.xenoage.zong.core.position.Time in project Zong by Xenoage.

the class DynamicsPeriods method get.

/**
 * Gets the {@link DynamicsPeriod} for the given position.
 * The highest priority has a dynamic in the current voice. If there is none,
 * the last dynamic of the part is searched. When there are multiple candidates
 * on different staves, the current staff wins.
 * @param mp          the position where to find the dynamic
 * @param repetition  the index of the {@link Repetition}
 * @param partStaves  the staves indices in the part
 */
@MaybeNull
public DynamicsPeriod get(MP mp, int repetition, Range partStaves) {
    val time = mp.getTime();
    // first, find voice dynamics
    val voicePeriods = getVoicePeriods(mp.getStaff(), mp.getVoice(), repetition);
    val voicePeriod = getPeriod(voicePeriods, time);
    if (voicePeriod != null)
        return voicePeriod;
    // then, for all staves in the part, look for last period(s) - when there
    // is more than one at the same time, prefer the one at the own staff
    Time maxStartTime = time;
    DynamicsPeriod bestMatch = null;
    for (int iStaff : partStaves) {
        val staffPeriods = getStaffPeriods(mp.getStaff(), repetition);
        val staffPeriod = getPeriod(staffPeriods, time);
        int compare = staffPeriod.startTime.compareTo(maxStartTime);
        if (staffPeriod != null && compare > 0 || (compare >= 0 && iStaff == mp.getStaff())) {
            // new best match
            maxStartTime = staffPeriod.startTime;
            bestMatch = null;
        }
    }
    return bestMatch;
}

Example 3 with Time

use of com.xenoage.zong.core.position.Time in project Zong by Xenoage.

the class Repetitions method mergeRepetitions.

static IList<Repetition> mergeRepetitions(List<Repetition> repetitions) {
    CList<Repetition> merged = clist();
    // merge consecutive repetitions
    Time start = null;
    Time end = null;
    for (val repetition : repetitions) {
        if (start == null) {
            // first repetition
            start = repetition.start;
            end = repetition.end;
        } else if (repetition.start.equals(end)) {
            // this repetition begins at the ending of the last one; continue it
            end = repetition.end;
        } else {
            // new repetition found. remember old one and start new one
            merged.add(new Repetition(start, end));
            start = repetition.start;
            end = repetition.end;
        }
    }
    if (start != null) {
        // close last repetition
        merged.add(new Repetition(start, end));
    }
    return merged.close();
}

Example 4 with Time

use of com.xenoage.zong.core.position.Time in project Zong by Xenoage.

the class RepetitionsFinder method processBackwardRepeat.

/**
 * Processes the given backward repeat {@link Barline} at the given {@link Time}.
 * When another repeat is to be played, a {@link Jump} is added to
 * the jump list, the current measure and start beat are modified
 * and true is returned.
 * Otherwise false is returned.
 */
private boolean processBackwardRepeat(Barline barline, Time barlineTime) {
    int counter = notNull(barlineRepeatCounter.get(barlineTime), 0);
    if (counter < barline.getRepeatTimes()) {
        // repeat. jump back to last forward repeat
        if (// do not count repeats at volta end
        false == isVoltaEndAt(barlineTime))
            barlineRepeatCounter.put(barlineTime, counter + 1);
        Time to = findLastForwardRepeatTime(barlineTime);
        addJump(barlineTime, to);
        return true;
    } else {
        // finished, delete counter
        barlineRepeatCounter.remove(barlineTime);
        return false;
    }
}

Example 5 with Time

use of com.xenoage.zong.core.position.Time in project Zong by Xenoage.

the class RepetitionsFinder method find.

private Repetitions find() {
    ArrayList<Repetition> ranges = alist();
    this.voltaGroups = new VoltaGroupFinder(score).findAllVoltaGroups();
    Time start = Companion.time(0, Companion.get_0());
    Time end = Companion.time(score.getMeasuresCount(), Companion.get_0());
    collectJumps();
    if (jumps.size() == 0) {
        // simple case: no jumps
        ranges.add(new Repetition(start, end));
    } else {
        // one or more jumps
        ranges.add(new Repetition(start, jumps.get(0).from));
        for (int i : range(1, jumps.size() - 1)) {
            Time lastEnd = jumps.get(i - 1).to;
            Time currentStart = jumps.get(i).from;
            ranges.add(new Repetition(lastEnd, currentStart));
        }
        ranges.add(new Repetition(jumps.get(jumps.size() - 1).to, end));
    }
    return new Repetitions(ranges);
}