ChomeNS/chomens-bot-java
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bring it back BUT improve it

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Chayapak 2023-09-27 08:17:20 +07:00
parent 5896197b4a
commit 62d47f1b09
1 changed files with 26 additions and 1 deletions
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27
src/main/java/land/chipmunk/chayapak/chomens_bot/song/MidiConverter.java
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@ -6,6 +6,7 @@ import javax.sound.midi.*;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
@ -148,7 +149,31 @@ public class MidiConverter implements Converter {
}
}
// if (instrument == null) instrument = instrumentList[0];
if (instrument == null) {
// instrument = instrumentList[0];
// we are finding the closest instrument offset here and use that
// closest instrument as the instrument
final Integer[] offsets = Arrays.stream(instrumentList).map(ins -> ins.offset).toArray(Integer[]::new);
// https://stackoverflow.com/questions/13318733/get-closest-value-to-a-number-in-array
int distance = Math.abs(offsets[0] - midiPitch);
int idx = 0;
for (int c = 1; c < offsets.length; c++) {
int cdistance = Math.abs(offsets[c] - midiPitch);
if (cdistance < distance) {
idx = c;
distance = cdistance;
}
}
final int closest = offsets[idx];
instrument = Arrays.stream(instrumentList)
.filter(ins -> ins.offset == closest)
.toArray(Instrument[]::new)[0];
}
}
if (instrument == null) {