X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=Moosique.java;h=5d6ed9716b569d472141910edfb0e41358c21d74;hb=c83e74facf762222fe4578f175408cc50d360518;hp=42c5e2e03fea09b18c15c566d3fa044502107d01;hpb=ade446bcfe30be5e4a058926387763f72fc3d4a7;p=moosique.git diff --git a/Moosique.java b/Moosique.java index 42c5e2e..5d6ed97 100644 --- a/Moosique.java +++ b/Moosique.java @@ -1,117 +1,293 @@ import javax.sound.midi.*; import java.io.*; -// Import external MIDIFileReader and MIDIFileWriter +import javax.swing.*; -/* +/** * Moosique - The MIDI Tracker * - * Main class that handles initiation, IO and sound FX. + * Main class that handles initiation, IO and sound. * - * @author Andersson, Andreen, Lanneskog, Pehrson - * @version 1 + * @author Einar Pehrson */ public class Moosique { private static MooGUI gui; - private static MooSequence mooSeq; private static Sequence seq; - private static Sequencer sequencer = null; - private static String filename; - private static int position; + private static Sequencer sequencer; + private static Synthesizer synthesizer; + private static MidiChannel[] channels; + private static MidiChannel activeChannel; - /* + private static String filename, fileArg; + private static long position; + private static boolean makeGUI = true; + + /** * Starts the application. */ public static void main (String[] args) { - // Creates song and GUI - seq = new MooSequence(); - gui = new MooGUI(mooSeq); + System.out.println("\nMoosique version 1.0\n"); + + // Parses command-line arguments. + for (int i = 0; i < args.length; i++) { + if (args[i].equals("-n")) {makeGUI = false;} + else if (fileArg == null) {fileArg = args[i];} + } - // Initializes MIDI sequencer + // Acquires MIDI devices and connects them. + System.out.print("Initializing MIDI devices."); try { sequencer = MidiSystem.getSequencer(); + System.out.print("."); sequencer.open(); + synthesizer = MidiSystem.getSynthesizer(); + System.out.print("."); + synthesizer.open(); + sequencer.getTransmitter().setReceiver(synthesizer.getReceiver()); + channels = synthesizer.getChannels(); + setActiveChannel(0); } catch (MidiUnavailableException e) { - System.exit(0); + System.out.println("Failed, quitting."); + quit(); + } + System.out.println("Done"); + + //If a filename is given as the command-line argument, attempts to load a sequence from the file. + if (fileArg != null) { + System.out.print("Loading MIDI sequence from " + fileArg + "..."); + if (!load(fileArg)) { + System.out.println("Failed"); + clearSequence(); + } else { + System.out.println("Done"); + } + } else { + // Otherwise creates a new empty one. + clearSequence(); + } + + // Builds GUI, unless n-flag is set. + if (makeGUI) { + System.out.print("Building GUI..."); + try { + UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); + } catch (Exception e) {} + gui = new MooGUI(seq); + System.out.println("Done"); + } else { + System.out.print("Playing..."); + play(); + while (sequencer.isRunning()) {} + System.out.println("Done"); + quit(); } } - /* - * Returns a pointer to the current sequence. + /** + * Returns the GUI. + * @return the GUI + */ + public static MooGUI getGUI() { + return gui; + } + + /** + * Returns the current sequence. * @return the current sequence */ - public static MooSequence getSequence() { - return mooSeq; + public static Sequence getSequence() { + return seq; + } + + /** + * Returns the current sequencer. + * @return the current sequencer + */ + public static Sequencer getSequencer() { + return sequencer; + } + + /** + * Returns the MidiChannels of the selected synthesizer. + * @return the available MidiChannels + */ + public static MidiChannel[] getChannels() { + return channels; + } + + /** + * Returns the currently active MidiChannel. + * @return the active MidiChannel + */ + public static MidiChannel getActiveChannel() { + return activeChannel; + } + + /** + * Sets the currently active MidiChannel. + * @param channel the number of the MidiChannel to activate + */ + public static void setActiveChannel(int channel) { + activeChannel = channels[channel]; + } + + /** + * Replaces the current sequence with a new one, holding three empty tracks. + */ + public static void clearSequence() { + // Creates a new sequence and sends it to the sequencer. + try { + seq = new Sequence(Sequence.PPQ, 96, 3); + sequencer.setSequence(seq); + } catch (InvalidMidiDataException e) {} + // Sends sequence to GUI. + if (gui != null) gui.setSequence(seq); } - /* + /** * Starts playback of the current sequence. */ public static void play() { - seq = mooSeq.getSequence(); - sequencer.setSequence(seq); + sequencer.setTickPosition(position); sequencer.start(); } - /* + /** * Pauses playback of the current sequence. */ public static void pause() { - + sequencer.stop(); } - /* + /** + * Resumes playback of the current sequence. + */ + public static void resume() { + sequencer.start(); + } + + /** * Stops playback of the current sequence. */ public static void stop() { sequencer.stop(); + sequencer.setTickPosition(position); } - /* + /** * Rewinds the current sequence the given number of measures. * @param measures the number of measures to rewind */ - public static void rewind(int measures) { - + public static long getPosition() { + return position; } - /* + /** + * Rewinds the current sequence the given number of measures. + * @param measures the number of measures to rewind + */ + public static void setPosition(long ticks) { + position = ticks; + } + + /** + * Rewinds the current sequence the given number of measures. + * @param measures the number of measures to rewind + */ + public static void rewind(long ticks) { + setPosition(position - ticks); + } + + /** * Fast forwards the current sequence the given number of measures. * @param measures the number of measures to fast forward */ - public static void forward(int measures) { - + public static void forward(long ticks) { + setPosition(position + ticks); } - /* + /** * Loads the MooSequence in the given file. * @param filename the filename to use */ - public static void load(String filename) throws IOException { - + public static boolean load(String file) { + // Loads sequence from file + filename = file; + try { + seq = MidiSystem.getSequence(new File(filename)); + } catch (InvalidMidiDataException e) { + return false; + } catch (IOException e) { + return false; + } + + // Sends sequence to GUI and sequencer + if (gui != null) gui.setSequence(seq); + try { + sequencer.setSequence(seq); + } catch (InvalidMidiDataException e) {} + + // Searches the sequence for NoteOn events + Track[] tracks = seq.getTracks(); + MidiEvent noteOn, noteOff = null, nextEvent; + MidiMessage nextMsg; + ShortMessage shortMsg; + for (int i = 0; i < tracks.length; i++) { + for (int j = 0; j < tracks[i].size(); j++) { + noteOn = tracks[i].get(j); + if (noteOn.getMessage() instanceof ShortMessage) { + if (((ShortMessage)noteOn.getMessage()).getCommand() == ShortMessage.NOTE_ON) { + // Finds the corresponding NoteOff event + for (int k = j + 1; k < tracks[i].size(); k++) { + nextEvent = tracks[i].get(k); + nextMsg = nextEvent.getMessage(); + if (nextMsg instanceof ShortMessage) { + shortMsg = (ShortMessage) nextMsg; + if (shortMsg.getCommand() == ShortMessage.NOTE_OFF && shortMsg.getChannel() == ((ShortMessage)noteOn.getMessage()).getChannel() && shortMsg.getData1() == ((ShortMessage)noteOn.getMessage()).getData1()) { + noteOff = nextEvent; + break; + } + } + } + // Replaces the NoteOn event with a MooNote, if possible with the corresponding NoteOff event + tracks[i].remove(noteOn); + if (noteOff != null) { + tracks[i].add(new MooNote(noteOn, noteOff)); + } else { + tracks[i].add(new MooNote(noteOn)); + } + } + } + } + } + return true; } - /* + /** * Saves the current sequence to the given filename - * @param filename the filename to use + * @param file the filename to use */ - public static void saveAs(String filename) throws IOException { - + public static void saveAs(String file) { + try { + MidiSystem.write(seq, 1, new File(filename)); + } catch (IOException e) {} + filename = file; } - /* + /** * Saves the current sequence to the previously given filename. */ - public static void save() throws IOException { - + public static void save() { + saveAs(filename); } - /* - * Exports the current sequence to a standard MIDI file. - * @param filename the filename to use + /** + * Releases all reserved devices and exits the program. */ - public static void exportMIDI(String filename) throws IOException { - + public static void quit() { + if (sequencer.isOpen()) sequencer.close(); + if (synthesizer.isOpen()) synthesizer.close(); + System.exit(0); } } \ No newline at end of file