/**
* This work is licensed under the Creative Commons
* Attribution-ShareAlike 3.0 Unported License. To view a copy of this
* license, visit http://creativecommons.org/licenses/by-sa/3.0/.
*/
package extrabiomes.module.summa.worldgen;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.init.Blocks;
import net.minecraft.world.World;
import net.minecraft.world.gen.feature.WorldGenerator;
public class WorldGenCustomSwamp extends WorldGenNewTreeBase {
public WorldGenCustomSwamp() {
super(false);
}
public WorldGenCustomSwamp(boolean notify) {
super(notify);
}
@Override
public boolean generate(World world, Random rand, int x, int y, int z) {
while (world.getBlock(x, y - 1, z).getMaterial() == Material.water)
y--;
final int height = rand.nextInt(4) + 10;
if (y < 1 || y + height + 1 > 256) {
return false;
}
for (int y1 = y; y1 <= y + 1 + height; y1++) {
if (y1 < 0 && y1 >= 256) {
return false;
}
byte clearanceNeededAroundTrunk = 1;
if (y1 == y) {
clearanceNeededAroundTrunk = 0;
}
if (y1 >= y + 1 + height - 2) {
clearanceNeededAroundTrunk = 3;
}
for (int x1 = x - clearanceNeededAroundTrunk; x1 <= x + clearanceNeededAroundTrunk; x1++) {
for (int x2 = z - clearanceNeededAroundTrunk; x2 <= z + clearanceNeededAroundTrunk; x2++) {
final Block block = world.getBlock(x1, y1, x2);
if (block == null || block.isLeaves(world, x1, y1, x2)) {
continue;
}
if (block.equals(Blocks.water) || block.equals(Blocks.flowing_water)) {
if (y1 > y) {
return false;
}
} else {
return false;
}
}
}
}
final Block block = world.getBlock(x, y - 1, z);
if (!block.equals(Blocks.grass) && !block.equals(Blocks.dirt) || y >= 256 - height - 1) {
return false;
}
world.setBlock(x, y - 1, z, Blocks.dirt);
for (int y1 = y - 3 + height; y1 <= y + height; y1++) {
final int posTrunk = y1 - (y + height);
final int canopyRadius = 2 - posTrunk / 2;
for (int x1 = x - canopyRadius; x1 <= x + canopyRadius; x1++) {
final int xOnRadius = x1 - x;
for (int z1 = z - canopyRadius; z1 <= z + canopyRadius; z1++) {
final int zOnRadius = z1 - z;
final Block block2 = world.getBlock(x1, y1, z1);
if ((Math.abs(xOnRadius) != canopyRadius || Math.abs(zOnRadius) != canopyRadius || rand.nextInt(2) != 0 && posTrunk != 0) && (block2 == null || block2.canBeReplacedByLeaves(world, x1, y1, z1))) {
world.setBlock(x1, y1, z1, Blocks.leaves);
}
}
}
}
for (int y1 = 0; y1 < height; y1++) {
final Block block2 = world.getBlock(x, y + y1, z);
if (block2 == null || block2.isAir(world, x, y + y1, z) || block2.isLeaves(world, x, y + y1, z) || block2.equals(Blocks.flowing_water) || block2.equals(Blocks.water)) {
world.setBlock(x, y + y1, z, Blocks.log);
}
}
for (int y1 = y - 3 + height; y1 <= y + height; y1++) {
final int posTrunk = y1 - (y + height);
final int canopyRadius = 2 - posTrunk / 2;
for (int x1 = x - canopyRadius; x1 <= x + canopyRadius; x1++) {
for (int z1 = z - canopyRadius; z1 <= z + canopyRadius; z1++) {
final Block block2 = world.getBlock(x1, y1, z1);
if (block2 == null || !block2.isLeaves(world, x1, y1, z1)) {
continue;
}
if (rand.nextInt(4) == 0 && world.isAirBlock(x1 - 1, y1, z1)) {
generateVines(world, x1 - 1, y1, z1, 8);
}
if (rand.nextInt(4) == 0 && world.isAirBlock(x1 + 1, y1, z1)) {
generateVines(world, x1 + 1, y1, z1, 2);
}
if (rand.nextInt(4) == 0 && world.isAirBlock(x1, y1, z1 - 1)) {
generateVines(world, x1, y1, z1 - 1, 1);
}
if (rand.nextInt(4) == 0 && world.isAirBlock(x1, y1, z1 + 1)) {
generateVines(world, x1, y1, z1 + 1, 4);
}
}
}
}
return true;
}
private void generateVines(World world, int x, int y, int z, int metadata) {
world.setBlock(x, y, z, Blocks.vine, metadata, 3);
for (int i = 4; world.isAirBlock(x, --y, z) && i > 0; i--) {
world.setBlock(x, y, z, Blocks.vine, metadata, 3);
}
}
}