papermc/CraftBukkit-Patches/0080-Fix-Biome-Decoration-Crashes.patch
2013-12-23 11:18:44 +11:00

163 lines
6.3 KiB
Diff

From 42c0c04deee81b86249ccbfe8061e5c21595ef3f Mon Sep 17 00:00:00 2001
From: Dan Mulloy <dmulloy2@live.com>
Date: Sun, 22 Dec 2013 18:40:53 -0500
Subject: [PATCH] Fix Biome Decoration Crashes
diff --git a/src/main/java/net/minecraft/server/BiomeDecorator.java b/src/main/java/net/minecraft/server/BiomeDecorator.java
index b048d6c..8cfafe6 100644
--- a/src/main/java/net/minecraft/server/BiomeDecorator.java
+++ b/src/main/java/net/minecraft/server/BiomeDecorator.java
@@ -1,5 +1,10 @@
package net.minecraft.server;
+// Spigot Start
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+// Spigot End
import java.util.Random;
public class BiomeDecorator {
@@ -39,6 +44,7 @@ public class BiomeDecorator {
protected int G;
protected int H;
public boolean I;
+ private final List<Chunk> chunksToUnload = new ArrayList<Chunk>(); // Spigot
public BiomeDecorator() {
this.f = new WorldGenSand(Blocks.SAND, 7);
@@ -147,7 +153,7 @@ public class BiomeDecorator {
for (j = 0; j < this.z; ++j) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- i1 = this.b.nextInt(this.a.getHighestBlockYAt(k, l) * 2);
+ i1 = this.b.nextInt(this.getHighestBlockYAt(k, l) * 2); // Spigot
WorldGenerator worldgenerator = biomebase.b(this.b);
worldgenerator.a(this.a, this.b, k, i1, l);
@@ -156,15 +162,15 @@ public class BiomeDecorator {
for (j = 0; j < this.A; ++j) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- i1 = this.b.nextInt(this.a.getHighestBlockYAt(k, l) * 2);
- (new WorldGenDeadBush(Blocks.DEAD_BUSH)).a(this.a, this.b, k, i1, l);
+ i1 = this.b.nextInt(this.getHighestBlockYAt(k, l) * 2);
+ (new WorldGenDeadBush(Blocks.DEAD_BUSH)).a(this.a, this.b, k, i1, l); // Spigot
}
for (j = 0; j < this.w; ++j) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- for (i1 = this.b.nextInt(this.a.getHighestBlockYAt(k, l) * 2); i1 > 0 && this.a.isEmpty(k, i1 - 1, l); --i1) {
+ for (i1 = this.b.nextInt(this.getHighestBlockYAt(k, l) * 2); i1 > 0 && this.a.isEmpty(k, i1 - 1, l); --i1) { // Spigot
;
}
@@ -175,14 +181,14 @@ public class BiomeDecorator {
if (this.b.nextInt(4) == 0) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- i1 = this.a.getHighestBlockYAt(k, l);
+ i1 = this.getHighestBlockYAt(k, l); // Spigot
this.q.a(this.a, this.b, k, i1, l);
}
if (this.b.nextInt(8) == 0) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- i1 = this.b.nextInt(this.a.getHighestBlockYAt(k, l) * 2);
+ i1 = this.b.nextInt(this.getHighestBlockYAt(k, l) * 2); // Spigot
this.r.a(this.a, this.b, k, i1, l);
}
}
@@ -190,42 +196,42 @@ public class BiomeDecorator {
if (this.b.nextInt(4) == 0) {
j = this.c + this.b.nextInt(16) + 8;
k = this.d + this.b.nextInt(16) + 8;
- l = this.b.nextInt(this.a.getHighestBlockYAt(j, k) * 2);
+ l = this.b.nextInt(this.getHighestBlockYAt(j, k) * 2); // Spigot
this.q.a(this.a, this.b, j, l, k);
}
if (this.b.nextInt(8) == 0) {
j = this.c + this.b.nextInt(16) + 8;
k = this.d + this.b.nextInt(16) + 8;
- l = this.b.nextInt(this.a.getHighestBlockYAt(j, k) * 2);
+ l = this.b.nextInt(this.getHighestBlockYAt(j, k) * 2); // Spigot
this.r.a(this.a, this.b, j, l, k);
}
for (j = 0; j < this.C; ++j) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- i1 = this.b.nextInt(this.a.getHighestBlockYAt(k, l) * 2);
+ i1 = this.b.nextInt(this.getHighestBlockYAt(k, l) * 2); // Spigot
this.t.a(this.a, this.b, k, i1, l);
}
for (j = 0; j < 10; ++j) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- i1 = this.b.nextInt(this.a.getHighestBlockYAt(k, l) * 2);
+ i1 = this.b.nextInt(this.getHighestBlockYAt(k, l) * 2); // Spigot
this.t.a(this.a, this.b, k, i1, l);
}
if (this.b.nextInt(32) == 0) {
j = this.c + this.b.nextInt(16) + 8;
k = this.d + this.b.nextInt(16) + 8;
- l = this.b.nextInt(this.a.getHighestBlockYAt(j, k) * 2);
+ l = this.b.nextInt(this.getHighestBlockYAt(j, k) * 2); // Spigot
(new WorldGenPumpkin()).a(this.a, this.b, j, l, k);
}
for (j = 0; j < this.D; ++j) {
k = this.c + this.b.nextInt(16) + 8;
l = this.d + this.b.nextInt(16) + 8;
- i1 = this.b.nextInt(this.a.getHighestBlockYAt(k, l) * 2);
+ i1 = this.b.nextInt(this.getHighestBlockYAt(k, l) * 2); // Spigot
this.u.a(this.a, this.b, k, i1, l);
}
@@ -244,6 +250,7 @@ public class BiomeDecorator {
(new WorldGenLiquids(Blocks.LAVA)).a(this.a, this.b, k, l, i1);
}
}
+ this.unloadChunks(); // Spigot - unload chunks we force loaded
}
protected void a(int i, WorldGenerator worldgenerator, int j, int k) {
@@ -276,4 +283,28 @@ public class BiomeDecorator {
this.a(1, this.n, 0, 16);
this.b(1, this.o, 16, 16);
}
+
+ // Spigot start - force load chunks
+ private int getHighestBlockYAt(int i, int j)
+ {
+ // Make sure the chunk is loaded
+ if ( !this.a.isChunkLoaded( i >> 4, j >> 4 ) )
+ {
+ // If not, load it, then add it to our unload list
+ this.chunksToUnload.add( this.a.getChunkAt( i, j ) );
+ }
+
+ return this.a.getHighestBlockYAt( i, j );
+ }
+
+ private void unloadChunks()
+ {
+ Iterator<Chunk> iter = this.chunksToUnload.iterator();
+ while ( iter.hasNext() )
+ {
+ this.a.getWorld().unloadChunk( iter.next().bukkitChunk );
+ iter.remove();
+ }
+ }
+ // Spigot end
}
--
1.8.3.2