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package net.minecraft.server;
import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenGroundBush extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit - add interface
private int a;
private int b;
public WorldGenGroundBush(int i, int j) {
this.b = i;
this.a = j;
}
public boolean a(World world, Random random, int i, int j, int k) {
// CraftBukkit start
return this.generate((BlockChangeDelegate) world, random, i, j, k);
}
public boolean generate(BlockChangeDelegate world, Random random, int i, int j, int k) {
// CraftBukkit end
int l;
for (boolean flag = false; ((l = world.getTypeId(i, j, k)) == 0 || l == Block.LEAVES.id) && j > 0; --j) {
;
}
int i1 = world.getTypeId(i, j, k);
if (i1 == Block.DIRT.id || i1 == Block.GRASS.id) {
++j;
world.setRawTypeIdAndData(i, j, k, Block.LOG.id, this.b);
for (int j1 = j; j1 <= j + 2; ++j1) {
int k1 = j1 - j;
int l1 = 2 - k1;
for (int i2 = i - l1; i2 <= i + l1; ++i2) {
int j2 = i2 - i;
for (int k2 = k - l1; k2 <= k + l1; ++k2) {
int l2 = k2 - k;
if ((Math.abs(j2) != l1 || Math.abs(l2) != l1 || random.nextInt(2) != 0) && !Block.n[world.getTypeId(i2, j1, k2)]) {
this.setTypeAndData(world, i2, j1, k2, Block.LEAVES.id, this.a);
}
}
}
}
// CraftBukkit start - return false if gen was unsuccessful
} else {
return false;
}
// CraftBukkit end
return true;
}
}
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