engine/src/core/com/jme3/input/controls/JoyAxisTrigger.java

/*
 * Copyright (c) 2009-2010 jMonkeyEngine
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 * * Redistributions in binary form must reproduce the above copyright
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 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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package com.jme3.input.controls;

import com.jme3.input.Joystick;

public class JoyAxisTrigger implements Trigger {

    private final int joyId, axisId;
    private final boolean negative;

    /**
     * Use {@link Joystick#assignAxis(java.lang.String, java.lang.String, int) }
     * instead.
     */
    public JoyAxisTrigger(int joyId, int axisId, boolean negative) {
        this.joyId = joyId;
        this.axisId = axisId;
        this.negative = negative;
    }

    public static int joyAxisHash(int joyId, int joyAxis, boolean negative){
        assert joyAxis >= 0 && joyAxis <= 255;
        return (2048 * joyId) | (negative ? 1280 : 1024) | (joyAxis & 0xff);
    }

    public int getAxisId() {
        return axisId;
    }

    public int getJoyId() {
        return joyId;
    }

    public boolean isNegative() {
        return negative;
    }

    public String getName() {
        return "JoyAxis[joyId="+joyId+", axisId="+axisId+", neg="+negative+"]";
    }

    public int triggerHashCode() {
        return joyAxisHash(joyId, axisId, negative);
    }
    
}