/*
* This file is part of Vanilla.
*
* Copyright (c) 2011 Spout LLC <http://www.spout.org/>
* Vanilla is licensed under the Spout License Version 1.
*
* Vanilla 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 of the License, or (at your option)
* any later version.
*
* In addition, 180 days after any changes are published, you can use the
* software, incorporating those changes, under the terms of the MIT license,
* as described in the Spout License Version 1.
*
* Vanilla 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 for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License,
* the MIT license and the Spout License Version 1 along with this program.
* If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
* License and see <http://spout.in/licensev1> for the full license, including
* the MIT license.
*/
package org.spout.vanilla.world.generator.nether.decorator;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import org.spout.api.generator.biome.Decorator;
import org.spout.api.geo.World;
import org.spout.api.geo.cuboid.Block;
import org.spout.api.geo.cuboid.Chunk;
import org.spout.api.material.BlockMaterial;
import org.spout.api.material.block.BlockFace;
import org.spout.api.material.block.BlockFaces;
import org.spout.vanilla.material.VanillaMaterials;
import org.spout.vanilla.material.block.Liquid;
import org.spout.vanilla.world.generator.nether.NetherGenerator;
public class LavaFallDecorator extends Decorator {
private int lavaAttempts = 8;
@Override
public void populate(Chunk chunk, Random random) {
if (chunk.getY() != 4) {
return;
}
final World world = chunk.getWorld();
final List<Block> liquids = new ArrayList<Block>();
for (byte count = 0; count < lavaAttempts; count++) {
final int x = chunk.getBlockX(random);
final int y = random.nextInt(NetherGenerator.HEIGHT);
final int z = chunk.getBlockZ(random);
final Block block = world.getBlock(x, y, z);
if (isValidSourcePoint(block)) {
block.setMaterial(VanillaMaterials.LAVA);
liquids.add(block);
}
}
Liquid.performInstantFlow(liquids);
}
private boolean isValidSourcePoint(Block block) {
if (!block.isMaterial(VanillaMaterials.NETHERRACK, VanillaMaterials.AIR)
|| !block.translate(BlockFace.TOP).isMaterial(VanillaMaterials.NETHERRACK)) {
return false;
}
byte adjacentNetherrackCount = 0;
byte adjacentAirCount = 0;
for (final BlockFace face : BlockFaces.NSEWB) {
final BlockMaterial material = block.translate(face).getMaterial();
if (material == VanillaMaterials.AIR) {
adjacentAirCount++;
} else if (material == VanillaMaterials.NETHERRACK) {
adjacentNetherrackCount++;
}
}
return adjacentNetherrackCount == 4 && adjacentAirCount == 1;
}
public void setLavaAttempts(int lavaAttempts) {
this.lavaAttempts = lavaAttempts;
}
}