/* Copyright (c) 2012 Jesper Öqvist <jesper@llbit.se>
*
* This file is part of Chunky.
*
* Chunky is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chunky 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Chunky. If not, see <http://www.gnu.org/licenses/>.
*/
package se.llbit.chunky.world;
/**
* Chunk heightmap.
* This class actually has a misleading name since it stores
* height values for a two by two square of chunks.
*
* @author Jesper Öqvist <jesper@llbit.se>
*/
public class ChunkHeightmap {
short[] data = new short[4 * Chunk.X_MAX * Chunk.Z_MAX];
/**
* Create new heightmap
*/
public ChunkHeightmap() {
for (int i = 0; i < (Chunk.X_MAX * Chunk.Z_MAX); ++i)
data[i] = World.SEA_LEVEL;
}
/**
* Set height value at (x, z).
*
* @param y new height value
*/
public void set(int y, int x, int z) {
data[x + 2 * z * Chunk.X_MAX] = (short) y;
}
/**
* @return Height at (x, z)
*/
public int get(int x, int z) {
return data[x + 2 * z * Chunk.X_MAX];
}
}