net.java.games.input.LinuxRumbleFF Maven / Gradle / Ivy
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/**
* Copyright (C) 2003 Jeremy Booth ([email protected])
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer. Redistributions in binary
* form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided
* with the distribution.
* The name of the author may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
*/
package net.java.games.input;
import java.io.IOException;
/**
* @author elias
*/
final class LinuxRumbleFF extends LinuxForceFeedbackEffect {
public LinuxRumbleFF(LinuxEventDevice device) throws IOException {
super(device);
}
protected final int upload(int id, float intensity) throws IOException {
int weak_magnitude;
int strong_magnitude;
if (intensity > 0.666666f) {
strong_magnitude = (int)(0x8000*intensity);
weak_magnitude = (int)(0xc000*intensity);
} else if (intensity > 0.3333333f) {
strong_magnitude = (int)(0x8000*intensity);
weak_magnitude = (int)(0xc000*0);
} else {
strong_magnitude = (int)(0x8000*0);
weak_magnitude = (int)(0xc000*intensity);
}
return getDevice().uploadRumbleEffect(id, 0, 0, 0, -1, 0, strong_magnitude, weak_magnitude);
}
}