Paper/patches/server/0977-Dont-resend-blocks-on-interactions.patch
Nassim Jahnke fe53b0e76f
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
1d522878 PR-966: Introduce getRespawnLocation as a replacement for getBedSpawnLocation
cc01b745 PR-965: Add DragonBattle#setPreviouslyKilled
28e3702f SPIGOT-6921, PR-957: Add methods to remove all enchantments on an ItemStack
8872404e PR-961: Add BlockData#copyTo
4054cc7b PR-956: Add method to get an offline player's location

CraftBukkit Changes:
292ec79e0 SPIGOT-7568: Call EntityChangeBlockEvent for DecoratedPot
b44bf5aa8 SPIGOT-7575: SuspiciousStewMeta creates invalid PotionEffect data
161784713 PR-1340: Centralize the conversion from and to Minecraft / Bukkit registry items even more and add a test case for them
b93c5a30d PR-1338: Introduce getRespawnLocation as a replacement for getBedSpawnLocation
fb973486c SPIGOT-7570: PrepareItemCraftEvent#isRepair() always returns false
c9c24535e PR-1337: Add DragonBattle#setPreviouslyKilled
c8b4da803 SPIGOT-6921, PR-1330: Add methods to remove all enchantments on an ItemStack
95bc1c4f5 PR-1333: Add BlockData#copyTo
36e2f9ce1 PR-1329: Add method to get an offline player's location

Spigot Changes:
c198da22 SPIGOT-7563: Update to latest release of bungeecord-chat
2024-01-26 20:19:17 +01:00

172 lines
13 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Tue, 27 Jun 2023 21:09:11 -0400
Subject: [PATCH] Dont resend blocks on interactions
In general, the client now has an acknowledgment system which will prevent block changes made by the client to be reverted correctly.
It should be noted that this system does not yet support block entities, so those still need to resynced when needed.
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index c9594f82c31cd750cdfb26619b1094a865058faf..bc0df2e1401b13737e23faae01ba16edc2a10d21 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -199,7 +199,7 @@ public class ServerPlayerGameMode {
PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_BLOCK, pos, direction, this.player.getInventory().getSelected(), InteractionHand.MAIN_HAND);
if (event.isCancelled()) {
// Let the client know the block still exists
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos)); // Paper - Don't resync blocks
// Update any tile entity data for this block
capturedBlockEntity = true; // Paper - Send block entities after destroy prediction
return;
@@ -214,7 +214,7 @@ public class ServerPlayerGameMode {
// Spigot start - handle debug stick left click for non-creative
if (this.player.getMainHandItem().is(net.minecraft.world.item.Items.DEBUG_STICK)
&& ((net.minecraft.world.item.DebugStickItem) net.minecraft.world.item.Items.DEBUG_STICK).handleInteraction(this.player, this.level.getBlockState(pos), this.level, pos, false, this.player.getMainHandItem())) {
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos)); // Paper - Don't resync block
return;
}
// Spigot end
@@ -232,15 +232,17 @@ public class ServerPlayerGameMode {
// CraftBukkit start - Swings at air do *NOT* exist.
if (event.useInteractedBlock() == Event.Result.DENY) {
// If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door.
- BlockState data = this.level.getBlockState(pos);
- if (data.getBlock() instanceof DoorBlock) {
- // For some reason *BOTH* the bottom/top part have to be marked updated.
- boolean bottom = data.getValue(DoorBlock.HALF) == DoubleBlockHalf.LOWER;
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, bottom ? pos.above() : pos.below()));
- } else if (data.getBlock() instanceof TrapDoorBlock) {
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
- }
+ // Paper start - Don't resync blocks
+ //BlockState data = this.level.getBlockState(pos);
+ //if (data.getBlock() instanceof DoorBlock) {
+ // // For some reason *BOTH* the bottom/top part have to be marked updated.
+ // boolean bottom = data.getValue(DoorBlock.HALF) == DoubleBlockHalf.LOWER;
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, bottom ? pos.above() : pos.below()));
+ //} else if (data.getBlock() instanceof TrapDoorBlock) {
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
+ //}
+ // Paper end - Don't resync blocks
} else if (!iblockdata.isAir()) {
iblockdata.attack(this.level, pos, this.player);
f = iblockdata.getDestroyProgress(this.player, this.player.level(), pos);
@@ -249,7 +251,7 @@ public class ServerPlayerGameMode {
if (event.useItemInHand() == Event.Result.DENY) {
// If we 'insta destroyed' then the client needs to be informed.
if (f > 1.0f) {
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos)); // Paper - Don't resync blocks
}
return;
}
@@ -257,7 +259,7 @@ public class ServerPlayerGameMode {
if (blockEvent.isCancelled()) {
// Let the client know the block still exists
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos)); // Paper - Don't resync block
return;
}
@@ -348,7 +350,7 @@ public class ServerPlayerGameMode {
// Tell client the block is gone immediately then process events
// Don't tell the client if its a creative sword break because its not broken!
- if (this.level.getBlockEntity(pos) == null && !isSwordNoBreak) {
+ if (false && this.level.getBlockEntity(pos) == null && !isSwordNoBreak) { // Paper - Don't resync block
ClientboundBlockUpdatePacket packet = new ClientboundBlockUpdatePacket(pos, Blocks.AIR.defaultBlockState());
this.player.connection.send(packet);
}
@@ -374,13 +376,15 @@ public class ServerPlayerGameMode {
if (isSwordNoBreak) {
return false;
}
+ // Paper start - Don't resync blocks
// Let the client know the block still exists
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
+ //this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
// Brute force all possible updates
- for (Direction dir : Direction.values()) {
- this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos.relative(dir)));
- }
+ //for (Direction dir : Direction.values()) {
+ // this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos.relative(dir)));
+ //}
+ // Paper end - Don't resync blocks
// Update any tile entity data for this block
if (!captureSentBlockEntities) { // Paper - Send block entities after destroy prediction
@@ -537,16 +541,18 @@ public class ServerPlayerGameMode {
if (event.useInteractedBlock() == Event.Result.DENY) {
// If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door.
if (iblockdata.getBlock() instanceof DoorBlock) {
- boolean bottom = iblockdata.getValue(DoorBlock.HALF) == DoubleBlockHalf.LOWER;
- player.connection.send(new ClientboundBlockUpdatePacket(world, bottom ? blockposition.above() : blockposition.below()));
+ // Paper start - Don't resync blocks
+ // boolean bottom = iblockdata.getValue(DoorBlock.HALF) == DoubleBlockHalf.LOWER;
+ // player.connection.send(new ClientboundBlockUpdatePacket(world, bottom ? blockposition.above() : blockposition.below()));
+ // Paper end - Don't resync blocks
} else if (iblockdata.getBlock() instanceof CakeBlock) {
player.getBukkitEntity().sendHealthUpdate(); // SPIGOT-1341 - reset health for cake
} else if (this.interactItemStack.getItem() instanceof DoubleHighBlockItem) {
// send a correcting update to the client, as it already placed the upper half of the bisected item
- player.connection.send(new ClientboundBlockUpdatePacket(world, blockposition.relative(hitResult.getDirection()).above()));
+ //player.connection.send(new ClientboundBlockUpdatePacket(world, blockposition.relative(hitResult.getDirection()).above())); // Paper - Don't resync blocks
// send a correcting update to the client for the block above as well, this because of replaceable blocks (such as grass, sea grass etc)
- player.connection.send(new ClientboundBlockUpdatePacket(world, blockposition.above()));
+ //player.connection.send(new ClientboundBlockUpdatePacket(world, blockposition.above())); // Paper - Don't resync blocks
// Paper start - extend Player Interact cancellation // TODO: consider merging this into the extracted method
} else if (iblockdata.getBlock() instanceof net.minecraft.world.level.block.StructureBlock) {
player.connection.send(new net.minecraft.network.protocol.game.ClientboundContainerClosePacket(this.player.containerMenu.containerId));
diff --git a/src/main/java/net/minecraft/world/item/BucketItem.java b/src/main/java/net/minecraft/world/item/BucketItem.java
index 4b9e726e6ac255e743479d5c2e0cdb98464399a4..6371f326fc86cfc53e39bf8ed13b646f7705fbbc 100644
--- a/src/main/java/net/minecraft/world/item/BucketItem.java
+++ b/src/main/java/net/minecraft/world/item/BucketItem.java
@@ -77,7 +77,7 @@ public class BucketItem extends Item implements DispensibleContainerItem {
PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((ServerLevel) world, user, blockposition, blockposition, movingobjectpositionblock.getDirection(), itemstack, dummyFluid.getItem(), hand);
if (event.isCancelled()) {
- ((ServerPlayer) user).connection.send(new ClientboundBlockUpdatePacket(world, blockposition)); // SPIGOT-5163 (see PlayerInteractManager)
+ // ((ServerPlayer) user).connection.send(new ClientboundBlockUpdatePacket(world, blockposition)); // SPIGOT-5163 (see PlayerInteractManager) // Paper - Don't resend blocks
((ServerPlayer) user).getBukkitEntity().updateInventory(); // SPIGOT-4541
return InteractionResultHolder.fail(itemstack);
}
@@ -186,7 +186,7 @@ public class BucketItem extends Item implements DispensibleContainerItem {
if (flag2 && entityhuman != null) {
PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent((ServerLevel) world, entityhuman, blockposition, clicked, enumdirection, itemstack, enumhand);
if (event.isCancelled()) {
- ((ServerPlayer) entityhuman).connection.send(new ClientboundBlockUpdatePacket(world, blockposition)); // SPIGOT-4238: needed when looking through entity
+ // ((ServerPlayer) entityhuman).connection.send(new ClientboundBlockUpdatePacket(world, blockposition)); // SPIGOT-4238: needed when looking through entity // Paper - Don't resend blocks
((ServerPlayer) entityhuman).getBukkitEntity().updateInventory(); // SPIGOT-4541
return false;
}
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 0fd5decb0790423aba80a7c1e55ce39aff6761b4..2470acc82292bedd930be404a2e1d1f8fad700e1 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -457,10 +457,12 @@ public final class ItemStack {
world.preventPoiUpdated = false;
// Brute force all possible updates
- BlockPos placedPos = ((CraftBlock) placeEvent.getBlock()).getPosition();
- for (Direction dir : Direction.values()) {
- ((ServerPlayer) entityhuman).connection.send(new ClientboundBlockUpdatePacket(world, placedPos.relative(dir)));
- }
+ // Paper start - Don't resync blocks
+ // BlockPos placedPos = ((CraftBlock) placeEvent.getBlock()).getPosition();
+ // for (Direction dir : Direction.values()) {
+ // ((ServerPlayer) entityhuman).connection.send(new ClientboundBlockUpdatePacket(world, placedPos.relative(dir)));
+ // }
+ // Paper end - Don't resync blocks
SignItem.openSign = null; // SPIGOT-6758 - Reset on early return
} else {
// Change the stack to its new contents if it hasn't been tampered with.