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https://github.com/PaperMC/Paper.git
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60 lines
3.4 KiB
Diff
60 lines
3.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Trigary <trigary0@gmail.com>
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Date: Sat, 27 Mar 2021 11:13:30 +0100
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Subject: [PATCH] fix cancelling block falling causing client desync
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diff --git a/src/main/java/net/minecraft/world/entity/item/EntityFallingBlock.java b/src/main/java/net/minecraft/world/entity/item/EntityFallingBlock.java
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index 62d8b53c024888aa43b8fddf8a475dfb8284a4cc..2a61c24dd26edf4c72e977c6024fe233bab08a2f 100644
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--- a/src/main/java/net/minecraft/world/entity/item/EntityFallingBlock.java
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+++ b/src/main/java/net/minecraft/world/entity/item/EntityFallingBlock.java
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@@ -14,6 +14,7 @@ import net.minecraft.network.protocol.game.PacketPlayOutSpawnEntity;
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import net.minecraft.network.syncher.DataWatcher;
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import net.minecraft.network.syncher.DataWatcherObject;
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import net.minecraft.network.syncher.DataWatcherRegistry;
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+import net.minecraft.server.level.WorldServer;
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import net.minecraft.tags.Tag;
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import net.minecraft.tags.TagsBlock;
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import net.minecraft.tags.TagsFluid;
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@@ -43,6 +44,7 @@ import net.minecraft.world.phys.MovingObjectPosition;
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import net.minecraft.world.phys.MovingObjectPositionBlock;
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import net.minecraft.world.phys.Vec3D;
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+import org.bukkit.craftbukkit.block.CraftBlock;
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import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
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public class EntityFallingBlock extends Entity {
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@@ -116,8 +118,18 @@ public class EntityFallingBlock extends Entity {
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if (this.ticksLived++ == 0) {
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blockposition = this.getChunkCoordinates();
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- if (this.world.getType(blockposition).a(block) && !CraftEventFactory.callEntityChangeBlockEvent(this, blockposition, Blocks.AIR.getBlockData()).isCancelled()) {
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- this.world.a(blockposition, false);
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+ // Paper start - fix cancelling block falling causing client desync
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+ if (this.world.getType(blockposition).isSameInstance(block)) {
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+ if (CraftEventFactory.callEntityChangeBlockEvent(this, blockposition, Blocks.AIR.getBlockData()).isCancelled()) {
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+ if (this.world.getType(blockposition).isSameInstance(block)) { //if listener didn't update the block
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+ ((WorldServer) world).getChunkProvider().flagDirty(blockposition);
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+ }
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+ this.die();
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+ return;
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+ } else {
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+ this.world.setAir(blockposition, false);
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+ }
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+ // Paper end - fix cancelling block falling causing client desync
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} else if (!this.world.isClientSide) {
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this.die();
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return;
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diff --git a/src/main/java/net/minecraft/world/level/block/state/BlockBase.java b/src/main/java/net/minecraft/world/level/block/state/BlockBase.java
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index 3fdafc0ff0c4148ec844dbdc1455d17cdcb4a75a..0d26250887f80d0c250bcd6bc7de303362427d3e 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/BlockBase.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/BlockBase.java
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@@ -683,6 +683,7 @@ public abstract class BlockBase {
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return this.getBlock().a(tag) && predicate.test(this);
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}
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+ public final boolean isSameInstance(Block block) { return a(block); } // Paper - OBFHELPER
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public boolean a(Block block) {
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return this.getBlock().a(block);
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}
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