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package net.minecraft.server;
import java.util.Random;
public abstract class WorldGenMegaTreeAbstract extends WorldGenTreeAbstract {
protected final int a;
protected final int b;
protected final int c;
protected int d;
public WorldGenMegaTreeAbstract(boolean flag, int i, int j, int k, int l) {
super(flag);
this.a = i;
this.d = j;
this.b = k;
this.c = l;
}
protected int a(Random random) {
int i = random.nextInt(3) + this.a;
if (this.d > 1) {
i += random.nextInt(this.d);
}
return i;
}
private boolean b(World world, Random random, int i, int j, int k, int l) {
boolean flag = true;
if (j >= 1 && j + l + 1 <= 256) {
for (int i1 = j; i1 <= j + 1 + l; ++i1) {
byte b0 = 2;
if (i1 == j) {
b0 = 1;
}
if (i1 >= j + 1 + l - 2) {
b0 = 2;
}
for (int j1 = i - b0; j1 <= i + b0 && flag; ++j1) {
for (int k1 = k - b0; k1 <= k + b0 && flag; ++k1) {
if (i1 >= 0 && i1 < 256) {
Block block = world.getType(j1, i1, k1);
// CraftBukkit - ignore our own saplings
if (block != Blocks.SAPLING && !this.a(block)) {
flag = false;
}
} else {
flag = false;
}
}
}
}
return flag;
} else {
return false;
}
}
private boolean c(World world, Random random, int i, int j, int k) {
Block block = world.getType(i, j - 1, k);
if ((block == Blocks.GRASS || block == Blocks.DIRT) && j >= 2) {
world.setTypeAndData(i, j - 1, k, Blocks.DIRT, 0, 2);
world.setTypeAndData(i + 1, j - 1, k, Blocks.DIRT, 0, 2);
world.setTypeAndData(i, j - 1, k + 1, Blocks.DIRT, 0, 2);
world.setTypeAndData(i + 1, j - 1, k + 1, Blocks.DIRT, 0, 2);
return true;
} else {
return false;
}
}
protected boolean a(World world, Random random, int i, int j, int k, int l) {
return this.b(world, random, i, j, k, l) && this.c(world, random, i, j, k);
}
protected void a(World world, int i, int j, int k, int l, Random random) {
int i1 = l * l;
for (int j1 = i - l; j1 <= i + l + 1; ++j1) {
int k1 = j1 - i;
for (int l1 = k - l; l1 <= k + l + 1; ++l1) {
int i2 = l1 - k;
int j2 = k1 - 1;
int k2 = i2 - 1;
if (k1 * k1 + i2 * i2 <= i1 || j2 * j2 + k2 * k2 <= i1 || k1 * k1 + k2 * k2 <= i1 || j2 * j2 + i2 * i2 <= i1) {
Block block = world.getType(j1, j, l1);
if (block.getMaterial() == Material.AIR || block.getMaterial() == Material.LEAVES) {
this.setTypeAndData(world, j1, j, l1, Blocks.LEAVES, this.c);
}
}
}
}
}
protected void b(World world, int i, int j, int k, int l, Random random) {
int i1 = l * l;
for (int j1 = i - l; j1 <= i + l; ++j1) {
int k1 = j1 - i;
for (int l1 = k - l; l1 <= k + l; ++l1) {
int i2 = l1 - k;
if (k1 * k1 + i2 * i2 <= i1) {
Block block = world.getType(j1, j, l1);
if (block.getMaterial() == Material.AIR || block.getMaterial() == Material.LEAVES) {
this.setTypeAndData(world, j1, j, l1, Blocks.LEAVES, this.c);
}
}
}
}
}
}
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