BaseEnhancedClockedVoice.java

/*
  BaseEnhancedClockedVoice.java

  (c) 2011-2013 Edward Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package v9t9.engine.sound;

import v9t9.common.machine.IRegisterAccess.IRegisterWriteListener;
import ejs.base.settings.ISettingSection;
import ejs.base.utils.ListenerList;

/**
 * @author ejs
 *
 */
public abstract class BaseEnhancedClockedVoice extends BaseClockedVoice implements IEnhancedVoice {
	protected byte[] effectValues;
	protected final int numEffects;
	protected int baseEffectReg;

	/**
	 * @param id
	 * @param name
	 * @param listeners
	 */
	public BaseEnhancedClockedVoice(String id, String name,
			ListenerList<IRegisterWriteListener> listeners,
			int numEffects) {
		super(id, name, listeners);
		this.numEffects = numEffects;
		this.effectValues = new byte[numEffects];
	}

	protected int doInitEffectRegisters(int baseReg) {
		baseEffectReg = baseReg;
		for (int i = 0; i < numEffects; i++) {
			register(baseEffectReg + i,
					getId() + ":Eff" + i,
					getName() + " Effect #" + i);
		}
		return numEffects;
	}

	/* (non-Javadoc)
	 * @see v9t9.engine.sound.IEnhancedVoice#setEffect(int, int)
	 */
	@Override
	public void setEffect(int effect, byte value) {
		effectValues[effect] = value;
		fireRegisterChanged(baseEffectReg + effect, value);
	}

	/* (non-Javadoc)
	 * @see v9t9.engine.sound.IEnhancedVoice#getEffectValue(int)
	 */
	@Override
	public byte getEffectValue(int effect) {
		return effectValues[effect];
	}
	
	/* (non-Javadoc)
	 * @see v9t9.engine.sound.BaseClockedVoice#loadState(ejs.base.settings.ISettingSection)
	 */
	@Override
	public void loadState(ISettingSection settings) {
		if (settings == null) return;
		super.loadState(settings);
		
		for (int i = 0; i < numEffects; i++) {
			setEffect(i, (byte) settings.getInt("Effect" + i));
		}
	}
	
	/* (non-Javadoc)
	 * @see v9t9.engine.sound.BaseClockedVoice#saveState(ejs.base.settings.ISettingSection)
	 */
	@Override
	public void saveState(ISettingSection settings) {
		super.saveState(settings);
		
		for (int i = 0; i < numEffects; i++) {
			settings.put("Effect" + i, effectValues[i]);
		}

	}
}