/*
* Copyright 2013 MovingBlocks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.terasology.world.chunks.deflate;
import com.google.common.base.Preconditions;
import org.terasology.world.chunks.blockdata.TeraArray;
/**
* TeraVisitingDeflator uses the visitor pattern to gain access to the internal implementation details of specific
* TeraArrays. This allows to implement fast deflation algorithms.
*
* @author Manuel Brotz <manu.brotz@gmx.ch>
*/
public abstract class TeraVisitingDeflator extends TeraDeflator {
public TeraVisitingDeflator() {
}
@Override
public final TeraArray deflate(TeraArray in) {
TeraArray result = Preconditions.checkNotNull(in).deflate(this);
if (result != null) {
return result;
}
return in;
}
public abstract TeraArray deflateDenseArray16Bit(short[] data, int rowSize, int sizeX, int sizeY, int sizeZ);
public abstract TeraArray deflateDenseArray8Bit(byte[] data, int rowSize, int sizeX, int sizeY, int sizeZ);
public abstract TeraArray deflateDenseArray4Bit(byte[] data, int rowSize, int sizeX, int sizeY, int sizeZ);
public abstract TeraArray deflateSparseArray16Bit(short[][] inflated, short[] deflated, short fill, int rowSize, int sizeX, int sizeY, int sizeZ);
public abstract TeraArray deflateSparseArray8Bit(byte[][] inflated, byte[] deflated, byte fill, int rowSize, int sizeX, int sizeY, int sizeZ);
public abstract TeraArray deflateSparseArray4Bit(byte[][] inflated, byte[] deflated, byte fill, int rowSize, int sizeX, int sizeY, int sizeZ);
}