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package net.minecraft.server;
import java.util.Random;
import org.bukkit.craftbukkit.CraftBlockChangeDelegate; // CraftBukkit
public class WorldGenTaiga2 extends WorldGenTreeAbstract implements BlockSapling.TreeGenerator { // CraftBukkit - add interface
public WorldGenTaiga2(boolean flag) {
super(flag);
}
public boolean a(World world, Random random, int i, int j, int k) {
// CraftBukkit start - Moved to generate
return this.generate(new CraftBlockChangeDelegate((org.bukkit.BlockChangeDelegate) world), random, i, j, k);
}
public boolean generate(CraftBlockChangeDelegate world, Random random, int i, int j, int k) {
// CraftBukkit end
int l = random.nextInt(4) + 6;
int i1 = 1 + random.nextInt(2);
int j1 = l - i1;
int k1 = 2 + random.nextInt(2);
boolean flag = true;
if (j >= 1 && j + l + 1 <= 256) {
int l1;
int i2;
for (int j2 = j; j2 <= j + 1 + l && flag; ++j2) {
boolean flag1 = true;
if (j2 - j < i1) {
i2 = 0;
} else {
i2 = k1;
}
for (l1 = i - i2; l1 <= i + i2 && flag; ++l1) {
for (int k2 = k - i2; k2 <= k + i2 && flag; ++k2) {
if (j2 >= 0 && j2 < 256) {
Block block = world.getType(l1, j2, k2);
if (block.getMaterial() != Material.AIR && block.getMaterial() != Material.LEAVES) {
flag = false;
}
} else {
flag = false;
}
}
}
}
if (!flag) {
return false;
} else {
Block block1 = world.getType(i, j - 1, k);
if ((block1 == Blocks.GRASS || block1 == Blocks.DIRT || block1 == Blocks.SOIL) && j < 256 - l - 1) {
this.setType(world, i, j - 1, k, Blocks.DIRT);
i2 = random.nextInt(2);
l1 = 1;
byte b0 = 0;
int l2;
int i3;
for (i3 = 0; i3 <= j1; ++i3) {
l2 = j + l - i3;
for (int j3 = i - i2; j3 <= i + i2; ++j3) {
int k3 = j3 - i;
for (int l3 = k - i2; l3 <= k + i2; ++l3) {
int i4 = l3 - k;
if ((Math.abs(k3) != i2 || Math.abs(i4) != i2 || i2 <= 0) && !world.getType(j3, l2, l3).j()) {
this.setTypeAndData(world, j3, l2, l3, Blocks.LEAVES, 1);
}
}
}
if (i2 >= l1) {
i2 = b0;
b0 = 1;
++l1;
if (l1 > k1) {
l1 = k1;
}
} else {
++i2;
}
}
i3 = random.nextInt(3);
for (l2 = 0; l2 < l - i3; ++l2) {
Block block2 = world.getType(i, j + l2, k);
if (block2.getMaterial() == Material.AIR || block2.getMaterial() == Material.LEAVES) {
this.setTypeAndData(world, i, j + l2, k, Blocks.LOG, 1);
}
}
return true;
} else {
return false;
}
}
} else {
return false;
}
}
}
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