com.github.mathiewz.slick.ibxm.Instrument Maven / Gradle / Ivy

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The main purpose of this libraryis to modernize and maintain the slick2D library.

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package com.github.mathiewz.slick.ibxm;

public class Instrument {
    public String name;
    public int vibrato_type, vibrato_sweep;
    public int vibrato_depth, vibrato_rate;
    public boolean volume_envelope_active, panning_envelope_active;
    public int volume_fade_out;

    private Envelope volume_envelope, panning_envelope;
    private final int[] key_to_sample;
    private Sample[] samples;

    public Instrument() {
        name = "";
        set_volume_envelope(new Envelope());
        set_panning_envelope(new Envelope());
        key_to_sample = new int[96];
        set_num_samples(1);
    }

    public Envelope get_volume_envelope() {
        return volume_envelope;
    }

    public void set_volume_envelope(Envelope envelope) {
        if (envelope != null) {
            volume_envelope = envelope;
        }
    }

    public Envelope get_panning_envelope() {
        return panning_envelope;
    }

    public void set_panning_envelope(Envelope envelope) {
        if (envelope != null) {
            panning_envelope = envelope;
        }
    }

    public Sample get_sample_from_key(int key) {
        int sample_idx;
        sample_idx = 0;
        if (key > 0 && key <= key_to_sample.length) {
            sample_idx = key_to_sample[key - 1];
        }
        return get_sample(sample_idx);
    }

    public void set_key_to_sample(int key, int sample) {
        if (key > 0 && key <= key_to_sample.length) {
            key_to_sample[key - 1] = sample;
        }
    }

    public int get_num_samples() {
        return samples.length;
    }

    public void set_num_samples(int num_samples) {
        if (num_samples < 1) {
            num_samples = 1;
        }
        samples = new Sample[num_samples];
        set_sample(0, null);
    }

    public Sample get_sample(int sample_index) {
        Sample sample;
        sample = null;
        if (sample_index >= 0 && sample_index < samples.length) {
            sample = samples[sample_index];
        }
        if (sample == null) {
            sample = samples[0];
        }
        return sample;
    }

    public void set_sample(int sample_index, Sample sample) {
        if (sample_index >= 0 && sample_index < samples.length) {
            samples[sample_index] = sample;
        }
        if (samples[0] == null) {
            samples[0] = new Sample();
        }
    }
}