Paper/src/main/java/net/minecraft/server/WorldGenTrees.java

191 Zeilen
7.5 KiB
Java

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package net.minecraft.server;
import java.util.Random;
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import org.bukkit.craftbukkit.CraftBlockChangeDelegate; // CraftBukkit
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public class WorldGenTrees extends WorldGenTreeAbstract implements BlockSapling.TreeGenerator { // CraftBukkit - add interface
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private final int a;
private final boolean b;
private final int c;
private final int d;
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public WorldGenTrees(boolean flag) {
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this(flag, 4, 0, 0, false);
}
public WorldGenTrees(boolean flag, int i, int j, int k, boolean flag1) {
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super(flag);
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this.a = i;
this.c = j;
this.d = k;
this.b = flag1;
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}
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public boolean a(World world, Random random, int i, int j, int k) {
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// CraftBukkit start - Moved to generate
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return this.generate(new CraftBlockChangeDelegate((org.bukkit.BlockChangeDelegate) world), random, i, j, k);
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}
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public boolean generate(CraftBlockChangeDelegate world, Random random, int i, int j, int k) {
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// CraftBukkit end
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int l = random.nextInt(3) + this.a;
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boolean flag = true;
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if (j >= 1 && j + l + 1 <= 256) {
byte b0;
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int i1;
Block block;
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for (int j1 = j; j1 <= j + 1 + l; ++j1) {
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b0 = 1;
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if (j1 == j) {
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b0 = 0;
}
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if (j1 >= j + 1 + l - 2) {
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b0 = 2;
}
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for (int k1 = i - b0; k1 <= i + b0 && flag; ++k1) {
for (i1 = k - b0; i1 <= k + b0 && flag; ++i1) {
if (j1 >= 0 && j1 < 256) {
block = world.getType(k1, j1, i1);
if (!this.a(block)) {
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flag = false;
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}
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} else {
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flag = false;
}
}
}
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}
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if (!flag) {
return false;
} else {
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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);
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b0 = 3;
byte b1 = 0;
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int l1;
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int i2;
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int j2;
int k2;
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for (i1 = j - b0 + l; i1 <= j + l; ++i1) {
k2 = i1 - (j + l);
l1 = b1 + 1 - k2 / 2;
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for (i2 = i - l1; i2 <= i + l1; ++i2) {
j2 = i2 - i;
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for (int l2 = k - l1; l2 <= k + l1; ++l2) {
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int i3 = l2 - k;
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if (Math.abs(j2) != l1 || Math.abs(i3) != l1 || random.nextInt(2) != 0 && k2 != 0) {
Block block2 = world.getType(i2, i1, l2);
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if (block2.getMaterial() == Material.AIR || block2.getMaterial() == Material.LEAVES) {
this.setTypeAndData(world, i2, i1, l2, Blocks.LEAVES, this.d);
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}
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}
}
}
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}
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for (i1 = 0; i1 < l; ++i1) {
block = world.getType(i, j + i1, k);
if (block.getMaterial() == Material.AIR || block.getMaterial() == Material.LEAVES) {
this.setTypeAndData(world, i, j + i1, k, Blocks.LOG, this.c);
if (this.b && i1 > 0) {
if (random.nextInt(3) > 0 && world.isEmpty(i - 1, j + i1, k)) {
this.setTypeAndData(world, i - 1, j + i1, k, Blocks.VINE, 8);
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}
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if (random.nextInt(3) > 0 && world.isEmpty(i + 1, j + i1, k)) {
this.setTypeAndData(world, i + 1, j + i1, k, Blocks.VINE, 2);
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}
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if (random.nextInt(3) > 0 && world.isEmpty(i, j + i1, k - 1)) {
this.setTypeAndData(world, i, j + i1, k - 1, Blocks.VINE, 1);
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}
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if (random.nextInt(3) > 0 && world.isEmpty(i, j + i1, k + 1)) {
this.setTypeAndData(world, i, j + i1, k + 1, Blocks.VINE, 4);
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}
}
}
}
if (this.b) {
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for (i1 = j - 3 + l; i1 <= j + l; ++i1) {
k2 = i1 - (j + l);
l1 = 2 - k2 / 2;
for (i2 = i - l1; i2 <= i + l1; ++i2) {
for (j2 = k - l1; j2 <= k + l1; ++j2) {
if (world.getType(i2, i1, j2).getMaterial() == Material.LEAVES) {
if (random.nextInt(4) == 0 && world.getType(i2 - 1, i1, j2).getMaterial() == Material.AIR) {
this.a(world, i2 - 1, i1, j2, 8);
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}
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if (random.nextInt(4) == 0 && world.getType(i2 + 1, i1, j2).getMaterial() == Material.AIR) {
this.a(world, i2 + 1, i1, j2, 2);
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}
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if (random.nextInt(4) == 0 && world.getType(i2, i1, j2 - 1).getMaterial() == Material.AIR) {
this.a(world, i2, i1, j2 - 1, 1);
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}
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if (random.nextInt(4) == 0 && world.getType(i2, i1, j2 + 1).getMaterial() == Material.AIR) {
this.a(world, i2, i1, j2 + 1, 4);
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}
}
}
}
}
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if (random.nextInt(5) == 0 && l > 5) {
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for (i1 = 0; i1 < 2; ++i1) {
for (k2 = 0; k2 < 4; ++k2) {
if (random.nextInt(4 - i1) == 0) {
l1 = random.nextInt(3);
this.setTypeAndData(world, i + Direction.a[Direction.f[k2]], j + l - 5 + i1, k + Direction.b[Direction.f[k2]], Blocks.COCOA, l1 << 2 | k2);
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}
}
}
}
}
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return true;
} else {
return false;
}
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}
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} else {
return false;
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}
}
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// CraftBukkit - Changed world to BlockChangeDelegate
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private void a(CraftBlockChangeDelegate world, int i, int j, int k, int l) {
this.setTypeAndData(world, i, j, k, Blocks.VINE, l);
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int i1 = 4;
while (true) {
--j;
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if (world.getType(i, j, k).getMaterial() != Material.AIR || i1 <= 0) {
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return;
}
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this.setTypeAndData(world, i, j, k, Blocks.VINE, l);
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--i1;
}
}
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}