[Bleeding] Completely fix the tree generation algorithm to make it near identical to vanilla as well as fix potential bugs associated with disappearing saplings.

This commit is contained in:
md_5 2012-03-16 17:32:25 +11:00 committed by EvilSeph
parent ea60181a87
commit 7966531113
7 changed files with 49 additions and 35 deletions

View File

@ -2,6 +2,7 @@ package net.minecraft.server;
import java.util.Random;
// CraftBukkit start
import org.bukkit.BlockChangeDelegate;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.TreeType;
@ -43,56 +44,61 @@ public class BlockSapling extends BlockFlower {
// CraftBukkit - added bonemeal, player and itemstack
public void grow(World world, int i, int j, int k, Random random, boolean bonemeal, Player player, ItemStack itemstack) {
int l = world.getData(i, j, k) & 3;
// CraftBukkit start - records tree generation and calls StructureGrowEvent
StructureGrowDelegate delegate = new StructureGrowDelegate(world);
TreeType treeType;
int i1 = 0;
int j1 = 0;
// CraftBukkit start - records tree generation and calls StructureGrowEvent
StructureGrowDelegate delegate = new StructureGrowDelegate(world);
TreeType treeType = null;
TreeGenerator gen = null;
boolean grownTree = false;
boolean megaTree = false;
// All of these are 'false' because we need the 'raw' calls so the block-delegate works
boolean flag = false;
if (l == 1) {
treeType = TreeType.REDWOOD;
world.setRawTypeId(i, j, k, 0);
grownTree = new WorldGenTaiga2(false).generate(delegate, random, i, j, k);
gen = new WorldGenTaiga2(false);
} else if (l == 2) {
treeType = TreeType.BIRCH;
world.setRawTypeId(i, j, k, 0);
grownTree = new WorldGenForest(false).generate(delegate, random, i, j, k);
gen = new WorldGenForest(false);
} else if (l == 3) {
treeType = TreeType.JUNGLE;
for (i1 = 0; i1 >= -1; --i1) {
for (j1 = 0; j1 >= -1; --j1) {
if (world.getTypeId(i + i1, j, k + j1) == this.id && world.getTypeId(i + i1 + 1, j, k + j1) == this.id && world.getTypeId(i + i1, j, k + j1 + 1) == this.id && world.getTypeId(i + i1 + 1, j, k + j1 + 1) == this.id) {
world.setRawTypeId(i + i1, j, k + j1, 0);
world.setRawTypeId(i + i1 + 1, j, k + j1, 0);
world.setRawTypeId(i + i1, j, k + j1 + 1, 0);
world.setRawTypeId(i + i1 + 1, j, k + j1 + 1, 0);
grownTree = new WorldGenMegaTree(false, 10 + random.nextInt(20), 3, 3).generate(delegate, random, i + i1, j, k + j1);
megaTree = true;
treeType = TreeType.JUNGLE;
gen = new WorldGenMegaTree(false, 10 + random.nextInt(20), 3, 3);
flag = true;
break;
}
}
if (gen != null) {
break;
}
}
if (!grownTree) {
if (gen == null) {
j1 = 0;
i1 = 0;
world.setRawTypeId(i, j, k, 0);
grownTree = new WorldGenTrees(false, 4 + random.nextInt(7), 3, 3, false).generate(delegate, random, i, j, k);
treeType = TreeType.TREE;
gen = new WorldGenTrees(false, 4 + random.nextInt(7), 3, 3, false);
}
} else {
treeType = TreeType.TREE;
gen = new WorldGenTrees(false);
if (random.nextInt(10) == 0) {
treeType = TreeType.BIG_TREE;
world.setRawTypeId(i, j, k, 0);
grownTree = new WorldGenBigTree(false).generate(delegate, random, i, j, k);
} else {
treeType = TreeType.TREE;
world.setRawTypeId(i, j, k, 0);
grownTree = new WorldGenTrees(false).generate(delegate, random, i, j, k);
gen = new WorldGenBigTree(false);
}
}
if (flag) {
world.setRawTypeId(i + i1, j, k + j1, 0);
world.setRawTypeId(i + i1 + 1, j, k + j1, 0);
world.setRawTypeId(i + i1, j, k + j1 + 1, 0);
world.setRawTypeId(i + i1 + 1, j, k + j1 + 1, 0);
} else {
world.setRawTypeId(i, j, k, 0);
}
grownTree = gen.generate(delegate, random, i + i1, j, k + j1);
if (grownTree) {
Location location = new Location(world.getWorld(), i, j, k);
StructureGrowEvent event = new StructureGrowEvent(location, treeType, bonemeal, player, delegate.getBlocks());
@ -108,10 +114,8 @@ public class BlockSapling extends BlockFlower {
}
}
}
if (!grownTree) {
if (megaTree) {
// CraftBukkit end
if (flag) {
world.setRawTypeIdAndData(i + i1, j, k + j1, this.id, l);
world.setRawTypeIdAndData(i + i1 + 1, j, k + j1, this.id, l);
world.setRawTypeIdAndData(i + i1, j, k + j1 + 1, this.id, l);
@ -120,9 +124,19 @@ public class BlockSapling extends BlockFlower {
world.setRawTypeIdAndData(i, j, k, this.id, l);
}
}
// CraftBukkit end
}
protected int getDropData(int i) {
return i & 3;
}
// CraftBukkit start
interface TreeGenerator {
public boolean a(World world, Random random, int i, int j, int k);
public boolean generate(BlockChangeDelegate world, Random random, int i, int j, int k);
}
// CraftBukkit end
}

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@ -4,7 +4,7 @@ import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenBigTree extends WorldGenerator {
public class WorldGenBigTree extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface
static final byte[] a = new byte[] { (byte) 2, (byte) 0, (byte) 0, (byte) 1, (byte) 2, (byte) 1};
Random b = new Random();

View File

@ -4,7 +4,7 @@ import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenForest extends WorldGenerator {
public class WorldGenForest extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface
public WorldGenForest(boolean flag) {
super(flag);

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@ -4,7 +4,7 @@ import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenMegaTree extends WorldGenerator {
public class WorldGenMegaTree extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface
private final int a;
private final int b;

View File

@ -4,7 +4,7 @@ import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenTaiga1 extends WorldGenerator {
public class WorldGenTaiga1 extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface
public WorldGenTaiga1() {}

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@ -4,7 +4,7 @@ import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenTaiga2 extends WorldGenerator {
public class WorldGenTaiga2 extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface
public WorldGenTaiga2(boolean flag) {
super(flag);

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@ -4,7 +4,7 @@ import java.util.Random;
import org.bukkit.BlockChangeDelegate; // CraftBukkit
public class WorldGenTrees extends WorldGenerator {
public class WorldGenTrees extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface
private final int a;
private final boolean b;