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package net.minecraft.server;
import java.util.Random;
import org.bukkit.craftbukkit.CraftBlockChangeDelegate; // CraftBukkit
public class WorldGenForest extends WorldGenTreeAbstract implements BlockSapling.TreeGenerator { // CraftBukkit - add interface
private boolean a;
public WorldGenForest(boolean flag, boolean flag1) {
super(flag);
this.a = flag1;
}
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(3) + 5;
if (this.a) {
l += random.nextInt(7);
}
boolean flag = true;
if (j >= 1 && j + l + 1 <= 256) {
int i1;
int j1;
for (int k1 = j; k1 <= j + 1 + l; ++k1) {
byte b0 = 1;
if (k1 == j) {
b0 = 0;
}
if (k1 >= j + 1 + l - 2) {
b0 = 2;
}
for (i1 = i - b0; i1 <= i + b0 && flag; ++i1) {
for (j1 = k - b0; j1 <= k + b0 && flag; ++j1) {
if (k1 >= 0 && k1 < 256) {
Block block = world.getType(i1, k1, j1);
if (!this.a(block)) {
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);
int l1;
for (l1 = j - 3 + l; l1 <= j + l; ++l1) {
i1 = l1 - (j + l);
j1 = 1 - i1 / 2;
for (int i2 = i - j1; i2 <= i + j1; ++i2) {
int j2 = i2 - i;
for (int k2 = k - j1; k2 <= k + j1; ++k2) {
int l2 = k2 - k;
if (Math.abs(j2) != j1 || Math.abs(l2) != j1 || random.nextInt(2) != 0 && i1 != 0) {
Block block2 = world.getType(i2, l1, k2);
if (block2.getMaterial() == Material.AIR || block2.getMaterial() == Material.LEAVES) {
this.setTypeAndData(world, i2, l1, k2, Blocks.LEAVES, 2);
}
}
}
}
}
for (l1 = 0; l1 < l; ++l1) {
Block block3 = world.getType(i, j + l1, k);
if (block3.getMaterial() == Material.AIR || block3.getMaterial() == Material.LEAVES) {
this.setTypeAndData(world, i, j + l1, k, Blocks.LOG, 2);
}
}
return true;
} else {
return false;
}
}
} else {
return false;
}
}
}
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