From 6671cfadc33e835c678b2b33c32b0c9cb80045c0 Mon Sep 17 00:00:00 2001
From: Phoenix616 <mail@moep.tv>
Date: Thu, 16 May 2019 01:33:46 +0100
Subject: [PATCH] Fix MC-113809 Only grow cactus/reeds/bamboo/chorus fruit on
 random tick

---
 src/main/java/net/minecraft/server/Block.java             | 1 +
 src/main/java/net/minecraft/server/BlockBamboo.java       | 1 +
 src/main/java/net/minecraft/server/BlockCactus.java       | 1 +
 src/main/java/net/minecraft/server/BlockChorusFlower.java | 1 +
 src/main/java/net/minecraft/server/BlockReed.java         | 1 +
 src/main/java/net/minecraft/server/WorldServer.java       | 2 ++
 6 files changed, 7 insertions(+)

diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index f9747fb18..4a537d1d7 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -31,6 +31,7 @@ public class Block implements IMaterial {
     protected final boolean q;
     protected final SoundEffectType stepSound;
     protected final Material material;
+    public boolean randomTick = false; // Purpur - fix MC-113809
     // Paper start
     public co.aikar.timings.Timing timing;
     public co.aikar.timings.Timing getTiming() {
diff --git a/src/main/java/net/minecraft/server/BlockBamboo.java b/src/main/java/net/minecraft/server/BlockBamboo.java
index ffb65776c..d94368b03 100644
--- a/src/main/java/net/minecraft/server/BlockBamboo.java
+++ b/src/main/java/net/minecraft/server/BlockBamboo.java
@@ -85,6 +85,7 @@ public class BlockBamboo extends Block implements IBlockFragilePlantElement {
         if (!iblockdata.canPlace(world, blockposition)) {
             world.b(blockposition, true);
         } else if ((Integer) iblockdata.get(BlockBamboo.f) == 0) {
+            if (!randomTick) return; // Purpur - fix MC-113809
             if (world.random.nextInt(Math.max(1, (int) (100.0F / world.spigotConfig.bambooModifier) * 3)) == 0 && world.isEmpty(blockposition.up()) && world.getLightLevel(blockposition.up(), 0) >= 9) { // Spigot
                 int i = this.b((IBlockAccess) world, blockposition) + 1;
 
diff --git a/src/main/java/net/minecraft/server/BlockCactus.java b/src/main/java/net/minecraft/server/BlockCactus.java
index 29f9ff6c1..375ada5a4 100644
--- a/src/main/java/net/minecraft/server/BlockCactus.java
+++ b/src/main/java/net/minecraft/server/BlockCactus.java
@@ -21,6 +21,7 @@ public class BlockCactus extends Block {
         if (!iblockdata.canPlace(world, blockposition)) {
             world.b(blockposition, true);
         } else {
+            if (!randomTick) return; // Purpur - fix MC-113809
             BlockPosition blockposition1 = blockposition.up();
 
             if (world.isEmpty(blockposition1)) {
diff --git a/src/main/java/net/minecraft/server/BlockChorusFlower.java b/src/main/java/net/minecraft/server/BlockChorusFlower.java
index 74fa4889f..bbda083f6 100644
--- a/src/main/java/net/minecraft/server/BlockChorusFlower.java
+++ b/src/main/java/net/minecraft/server/BlockChorusFlower.java
@@ -22,6 +22,7 @@ public class BlockChorusFlower extends Block {
         if (!iblockdata.canPlace(world, blockposition)) {
             world.b(blockposition, true);
         } else {
+            if (!randomTick) return; // Purpur - fix MC-113809
             BlockPosition blockposition1 = blockposition.up();
 
             if (world.isEmpty(blockposition1) && blockposition1.getY() < 256) {
diff --git a/src/main/java/net/minecraft/server/BlockReed.java b/src/main/java/net/minecraft/server/BlockReed.java
index ff674a9d5..4a13e248e 100644
--- a/src/main/java/net/minecraft/server/BlockReed.java
+++ b/src/main/java/net/minecraft/server/BlockReed.java
@@ -23,6 +23,7 @@ public class BlockReed extends Block {
         if (!iblockdata.canPlace(world, blockposition)) {
             world.b(blockposition, true);
         } else if (world.isEmpty(blockposition.up())) {
+            if (!randomTick) return; // Purpur - fix MC-113809
             int i;
 
             for (i = 1; world.getType(blockposition.down(i)).getBlock() == this; ++i) {
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 5eff278e7..163d4fa85 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -527,7 +527,9 @@ public class WorldServer extends World {
                         IBlockData iblockdata = chunksection.getType(blockposition2.getX() - j, blockposition2.getY() - j1, blockposition2.getZ() - k);
 
                         if (iblockdata.q()) {
+                            iblockdata.getBlock().randomTick = true; // Purpur - fix MC-113809
                             iblockdata.b((World) this, blockposition2, this.random);
+                            iblockdata.getBlock().randomTick = false; // Purpur - fix MC-113809
                         }
 
                         Fluid fluid = iblockdata.p();
-- 
2.23.0.rc1