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Do not allow a zero max height in BiomeJungle

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Fixes GH-592

Thanks to the forge team who noticed this issue long ago
This commit is contained in:
Zach Brown 2017-01-23 15:11:07 -06:00
parent c9759766a3
commit 327535741d
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GPG key ID: CC9DA35FC5450B76
2 changed files with 39 additions and 0 deletions
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38
Spigot-Server-Patches/0210-Do-not-allow-a-zero-max-height-in-BiomeJungle.patch Normal file
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@ -0,0 +1,38 @@
From 41ca8dd50089527afea998348956e692c684c93f Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 23 Jan 2017 15:10:25 -0600
Subject: [PATCH] Do not allow a zero max height in BiomeJungle
diff --git a/src/main/java/net/minecraft/server/BiomeJungle.java b/src/main/java/net/minecraft/server/BiomeJungle.java
index a4e5e49..20c18cd 100644
--- a/src/main/java/net/minecraft/server/BiomeJungle.java
+++ b/src/main/java/net/minecraft/server/BiomeJungle.java
@@ -39,7 +39,11 @@ public class BiomeJungle extends BiomeBase {
super.a(world, random, blockposition);
int i = random.nextInt(16) + 8;
int j = random.nextInt(16) + 8;
- int k = random.nextInt(world.getHighestBlockYAt(blockposition.a(i, 0, j)).getY() * 2);
+ // Paper start - Don't allow a 0 height
+ int height = world.getHighestBlockYAt(blockposition.add(i, 0, j)).getY() * 2;
+ if (height < 1) height = 1;
+ int k = random.nextInt(height);
+ // Paper end
(new WorldGenMelon()).generate(world, random, blockposition.a(i, k, j));
WorldGenVines worldgenvines = new WorldGenVines();
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
index 6a0b3a6..38a7af5 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -42,6 +42,7 @@ public class BlockPosition extends BaseBlockPosition {
this(baseblockposition.getX(), baseblockposition.getY(), baseblockposition.getZ());
}
+ public BlockPosition add(double x, double y, double z) { return this.a(x, y, z); } // Paper - OBFHELPER
public BlockPosition a(double d0, double d1, double d2) {
return d0 == 0.0D && d1 == 0.0D && d2 == 0.0D ? this : new BlockPosition((double) this.getX() + d0, (double) this.getY() + d1, (double) this.getZ() + d2);
}
--
2.9.3

1
scripts/importmcdev.sh
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@ -38,6 +38,7 @@ function import {
import AxisAlignedBB
import BaseBlockPosition
import BiomeBase
import BiomeJungle
import BiomeMesa
import BlockChest
import BlockFalling