geforkt von Mirrors/Paper
c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
92 Zeilen
5.7 KiB
Diff
92 Zeilen
5.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Sat, 25 Jun 2022 19:45:20 -0400
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Subject: [PATCH] Send block entities after destroy prediction
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Minecraft's prediction system does not handle block entities, so if we are manually sending block entities during
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block breaking we need to set it after the prediction is finished. This fixes block entities not showing when cancelling the BlockBreakEvent.
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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index 4d024956156aefde7df308642dfd0a40779e0633..6abecaac8407b992d208a9108e11fd4954a4106f 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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@@ -63,6 +63,8 @@ public class ServerPlayerGameMode {
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private BlockPos delayedDestroyPos;
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private int delayedTickStart;
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private int lastSentState;
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+ public boolean captureSentBlockEntities = false; // Paper - Send block entities after destroy prediction
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+ public boolean capturedBlockEntity = false; // Paper - Send block entities after destroy prediction
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public ServerPlayerGameMode(ServerPlayer player) {
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this.gameModeForPlayer = GameType.DEFAULT_MODE;
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@@ -193,10 +195,7 @@ public class ServerPlayerGameMode {
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this.player.connection.send(new ClientboundBlockUpdatePacket(pos, this.level.getBlockState(pos)));
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this.debugLogging(pos, false, sequence, "may not interact");
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// Update any tile entity data for this block
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- BlockEntity tileentity = this.level.getBlockEntity(pos);
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- if (tileentity != null) {
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- this.player.connection.send(tileentity.getUpdatePacket());
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- }
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+ capturedBlockEntity = true; // Paper - Send block entities after destroy prediction
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// CraftBukkit end
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return;
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}
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@@ -207,10 +206,7 @@ public class ServerPlayerGameMode {
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// Let the client know the block still exists
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this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
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// Update any tile entity data for this block
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- BlockEntity tileentity = this.level.getBlockEntity(pos);
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- if (tileentity != null) {
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- this.player.connection.send(tileentity.getUpdatePacket());
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- }
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+ capturedBlockEntity = true; // Paper - Send block entities after destroy prediction
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return;
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}
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// CraftBukkit end
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@@ -395,10 +391,12 @@ public class ServerPlayerGameMode {
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}
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// Update any tile entity data for this block
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+ if (!captureSentBlockEntities) { // Paper - Send block entities after destroy prediction
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BlockEntity tileentity = this.level.getBlockEntity(pos);
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if (tileentity != null) {
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this.player.connection.send(tileentity.getUpdatePacket());
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}
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+ } else {capturedBlockEntity = true;} // Paper - Send block entities after destroy prediction
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return false;
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}
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}
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index f05297a2b349734b9700a0e977ee9b2bba030d65..ca32e5aa6e77ca1bab886e7b6a778ec931ac4e4c 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -1711,8 +1711,28 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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return;
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}
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// Paper end - Don't allow digging into unloaded chunks
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+ // Paper start - Send block entities after destroy prediction
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+ this.player.gameMode.capturedBlockEntity = false;
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+ this.player.gameMode.captureSentBlockEntities = true;
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+ // Paper end - Send block entities after destroy prediction
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this.player.gameMode.handleBlockBreakAction(blockposition, packetplayinblockdig_enumplayerdigtype, packet.getDirection(), this.player.level().getMaxBuildHeight(), packet.getSequence());
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this.player.connection.ackBlockChangesUpTo(packet.getSequence());
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+ // Paper start - Send block entities after destroy prediction
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+ this.player.gameMode.captureSentBlockEntities = false;
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+ // If a block entity was modified speedup the block change ack to avoid the block entity
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+ // being overriden.
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+ if (this.player.gameMode.capturedBlockEntity) {
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+ // manually tick
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+ this.send(new ClientboundBlockChangedAckPacket(this.ackBlockChangesUpTo));
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+ this.player.connection.ackBlockChangesUpTo = -1;
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+
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+ this.player.gameMode.capturedBlockEntity = false;
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+ BlockEntity tileentity = this.player.level().getBlockEntity(blockposition);
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+ if (tileentity != null) {
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+ this.player.connection.send(tileentity.getUpdatePacket());
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+ }
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+ }
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+ // Paper end - Send block entities after destroy prediction
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return;
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default:
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throw new IllegalArgumentException("Invalid player action");
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