/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* 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.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT OWNER OR
* CONTRIBUTORS 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 com.jme3.terrain.geomipmap.grid;
import com.jme3.export.JmeExporter;
import com.jme3.export.JmeImporter;
import com.jme3.math.Vector3f;
import com.jme3.terrain.geomipmap.TerrainGridTileLoader;
import com.jme3.terrain.geomipmap.TerrainQuad;
import com.jme3.terrain.heightmap.AbstractHeightMap;
import com.jme3.terrain.heightmap.HeightMap;
import com.jme3.terrain.noise.Basis;
import java.io.IOException;
import java.nio.FloatBuffer;
/**
*
* @author Anthyon, normenhansen
*/
public class FractalTileLoader implements TerrainGridTileLoader{
public class FloatBufferHeightMap extends AbstractHeightMap {
private final FloatBuffer buffer;
public FloatBufferHeightMap(FloatBuffer buffer) {
this.buffer = buffer;
}
@Override
public boolean load() {
this.heightData = this.buffer.array();
return true;
}
}
private int patchSize;
private int quadSize;
private final Basis base;
private final float heightScale;
public FractalTileLoader(Basis base, float heightScale) {
this.base = base;
this.heightScale = heightScale;
}
private HeightMap getHeightMapAt(Vector3f location) {
AbstractHeightMap heightmap = null;
FloatBuffer buffer = this.base.getBuffer(location.x * (this.quadSize - 1), location.z * (this.quadSize - 1), 0, this.quadSize);
float[] arr = buffer.array();
for (int i = 0; i < arr.length; i++) {
arr[i] = arr[i] * this.heightScale;
}
heightmap = new FloatBufferHeightMap(buffer);
heightmap.load();
return heightmap;
}
public TerrainQuad getTerrainQuadAt(Vector3f location) {
HeightMap heightMapAt = getHeightMapAt(location);
TerrainQuad q = new TerrainQuad("Quad" + location, patchSize, quadSize, heightMapAt == null ? null : heightMapAt.getHeightMap());
return q;
}
public void setPatchSize(int patchSize) {
this.patchSize = patchSize;
}
public void setQuadSize(int quadSize) {
this.quadSize = quadSize;
}
public void write(JmeExporter ex) throws IOException {
//TODO: serialization
}
public void read(JmeImporter im) throws IOException {
//TODO: serialization
}
}