/* Copyright (C) 2011 Garrett Fleenor
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3.0 of the License, or (at
your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License (COPYING.txt) for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
This is a port of libnoise ( http://libnoise.sourceforge.net/index.html ). Original implementation by Jason Bevins
*/
package com.bioxx.libnoise.module;
import com.bioxx.libnoise.exception.NoModuleException;
public abstract class Module {
protected Module[] SourceModule;
public Module(int sourceModuleCount) {
SourceModule = null;
// Create an array of pointers to all source modules required by this
// noise module. Set these pointers to NULL.
if (sourceModuleCount > 0) {
SourceModule = new Module[sourceModuleCount];
for (int i = 0; i < sourceModuleCount; i++) {
SourceModule[i] = null;
}
} else {
SourceModule = null;
}
}
public Module getSourceModule(int index) {
if (index >= GetSourceModuleCount() || index < 0 || SourceModule[index] == null) {
throw new NoModuleException();
}
return (SourceModule[index]);
}
public void setSourceModule(int index, Module sourceModule) {
if (SourceModule == null)
return;
if (index >= GetSourceModuleCount() || index < 0) {
throw new IllegalArgumentException("Index must be between 0 and GetSourceMoudleCount()");
}
SourceModule[index] = sourceModule;
}
public abstract int GetSourceModuleCount();
public abstract double GetValue(double x, double y, double z);
}