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From be78eba42d407198576a97b01f0da787a03890dc Mon Sep 17 00:00:00 2001
From: Phoenix616 <mail@moep.tv>
Date: Sun, 15 Sep 2019 11:32:32 -0500
Subject: [PATCH] Fix zero-tick instant grow farms MC-113809
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 29fd49968..7ddcaeaa7 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -568,6 +568,11 @@ public class PaperWorldConfig {
disableRelativeProjectileVelocity = getBoolean("game-mechanics.disable-relative-projectile-velocity", false);
}
+ public boolean fixZeroTickInstantGrowFarms = true;
+ private void fixZeroTickInstantGrowFarms() {
+ fixZeroTickInstantGrowFarms = getBoolean("fix-zero-tick-instant-grow-farms", fixZeroTickInstantGrowFarms);
+ }
+
public boolean altItemDespawnRateEnabled;
public Map<Material, Integer> altItemDespawnRateMap;
private void altItemDespawnRate() {
diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index e077359b0..619237d68 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -44,6 +44,7 @@ public class Block implements IMaterial {
private final float frictionFactor;
protected final BlockStateList<Block, IBlockData> blockStateList;
private IBlockData blockData;
+ public boolean randomTick = false; // Paper - fix MC-113809
protected final boolean v;
private final boolean g;
@Nullable
diff --git a/src/main/java/net/minecraft/server/BlockBamboo.java b/src/main/java/net/minecraft/server/BlockBamboo.java
index ffb65776c..3a9c3b54a 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 (world.paperConfig.fixZeroTickInstantGrowFarms && !randomTick) return; // Paper - 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..124b4b4b0 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 (world.paperConfig.fixZeroTickInstantGrowFarms && !randomTick) return; // Paper - 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..cde2524ca 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 (world.paperConfig.fixZeroTickInstantGrowFarms && !randomTick) return; // Paper - 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..a4850c070 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 (world.paperConfig.fixZeroTickInstantGrowFarms && !randomTick) return; // Paper - 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 ee3789b38..7a0b657f2 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -533,7 +533,9 @@ 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; // Paper - fix MC-113809
iblockdata.b((World) this, blockposition2, this.random);
+ iblockdata.getBlock().randomTick = false; // Paper - fix MC-113809
}
Fluid fluid = iblockdata.p();
--
2.23.0
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