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package net.minecraft.server;
import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenTaiga2 extends WorldGenerator 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
// sk: The idea is to have (our) WorldServer implement
// BlockChangeDelegate and then we can implicitly cast World to
// WorldServer (a safe cast, AFAIK) and no code will be broken. This
// then allows plugins to catch manually-invoked generation events
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 = 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;
int j2;
int k2;
for (l1 = j; l1 <= j + 1 + l && flag; ++l1) {
boolean flag1 = true;
if (l1 - j < i1) {
k2 = 0;
} else {
k2 = k1;
}
for (i2 = i - k2; i2 <= i + k2 && flag; ++i2) {
for (int l2 = k - k2; l2 <= k + k2 && flag; ++l2) {
if (l1 >= 0 && l1 < 256) {
j2 = world.getTypeId(i2, l1, l2);
if (j2 != 0 && j2 != Block.LEAVES.id) {
flag = false;
}
} else {
flag = false;
}
}
}
}
if (!flag) {
return false;
} else {
l1 = world.getTypeId(i, j - 1, k);
if ((l1 == Block.GRASS.id || l1 == Block.DIRT.id) && j < 256 - l - 1) {
this.setTypeAndData(world, i, j - 1, k, Block.DIRT.id, 0); // CraftBukkit
k2 = random.nextInt(2);
i2 = 1;
byte b0 = 0;
int i3;
int j3;
for (j2 = 0; j2 <= j1; ++j2) {
j3 = j + l - j2;
for (i3 = i - k2; i3 <= i + k2; ++i3) {
int k3 = i3 - i;
for (int l3 = k - k2; l3 <= k + k2; ++l3) {
int i4 = l3 - k;
if ((Math.abs(k3) != k2 || Math.abs(i4) != k2 || k2 <= 0) && !Block.n[world.getTypeId(i3, j3, l3)]) {
this.setTypeAndData(world, i3, j3, l3, Block.LEAVES.id, 1);
}
}
}
if (k2 >= i2) {
k2 = b0;
b0 = 1;
++i2;
if (i2 > k1) {
i2 = k1;
}
} else {
++k2;
}
}
j2 = random.nextInt(3);
for (j3 = 0; j3 < l - j2; ++j3) {
i3 = world.getTypeId(i, j + j3, k);
if (i3 == 0 || i3 == Block.LEAVES.id) {
this.setTypeAndData(world, i, j + j3, k, Block.LOG.id, 1);
}
}
return true;
} else {
return false;
}
}
} else {
return false;
}
}
}
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