Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 04:20:04 +01:00
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.
77 Zeilen
4.8 KiB
Diff
77 Zeilen
4.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: DigitalRegent <misterwener@gmail.com>
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Date: Sat, 11 Apr 2020 13:10:58 +0200
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Subject: [PATCH] Brand support
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index e6e7dc17d1196a8211a565355f34b5dcfd478852..45181bc9c422507682d479e4d43177ecd3253971 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -294,6 +294,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
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// CraftBukkit end
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public boolean isRealPlayer; // Paper
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public com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper - PlayerNaturallySpawnCreaturesEvent
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+ public @Nullable String clientBrandName = null; // Paper - Brand support
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public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile, ClientInformation clientOptions) {
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super(world, world.getSharedSpawnPos(), world.getSharedSpawnAngle(), profile);
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diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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index 4f62abfe62c951b7a1df36ece34747100d6a4ff7..48085b2e7197dc44e76b812bdd514af729e21e83 100644
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--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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@@ -83,6 +83,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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private volatile boolean suspendFlushingOnServerThread = false;
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public final java.util.Map<java.util.UUID, net.kyori.adventure.resource.ResourcePackCallback> packCallbacks = new java.util.concurrent.ConcurrentHashMap<>(); // Paper - adventure resource pack callbacks
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private static final long KEEPALIVE_LIMIT = Long.getLong("paper.playerconnection.keepalive", 30) * 1000; // Paper - provide property to set keepalive limit
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+ protected static final ResourceLocation MINECRAFT_BRAND = ResourceLocation.withDefaultNamespace("brand"); // Paper - Brand support
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public ServerCommonPacketListenerImpl(MinecraftServer minecraftserver, Connection networkmanager, CommonListenerCookie commonlistenercookie, ServerPlayer player) { // CraftBukkit
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this.server = minecraftserver;
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@@ -148,6 +149,11 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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@Override
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public void handleCustomPayload(ServerboundCustomPayloadPacket packet) {
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+ // Paper start - Brand support
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+ if (packet.payload() instanceof net.minecraft.network.protocol.common.custom.BrandPayload brandPayload) {
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+ this.player.clientBrandName = brandPayload.brand();
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+ }
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+ // Paper end - Brand support
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if (!(packet.payload() instanceof DiscardedPayload)) {
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return;
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}
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@@ -179,6 +185,15 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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try {
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byte[] data = new byte[payload.readableBytes()];
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payload.readBytes(data);
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+ // Paper start - Brand support; Retain this incase upstream decides to 'break' the new mechanism in favour of backwards compat...
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+ if (identifier.equals(MINECRAFT_BRAND)) {
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+ try {
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+ this.player.clientBrandName = new net.minecraft.network.FriendlyByteBuf(io.netty.buffer.Unpooled.copiedBuffer(data)).readUtf(256);
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+ } catch (StringIndexOutOfBoundsException ex) {
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+ this.player.clientBrandName = "illegal";
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+ }
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+ }
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+ // Paper end - Brand support
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this.cserver.getMessenger().dispatchIncomingMessage(this.player.getBukkitEntity(), identifier.toString(), data);
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} catch (Exception ex) {
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ServerGamePacketListenerImpl.LOGGER.error("Couldn\'t dispatch custom payload", ex);
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 068ff2c228308ec87fcc6d1352bd63b91bd34a93..854533854dfba24b59a15265ac759331e3ddfc74 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -3139,6 +3139,13 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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// Paper end
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};
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+ // Paper start - brand support
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+ @Override
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+ public String getClientBrandName() {
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+ return getHandle().clientBrandName;
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+ }
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+ // Paper end
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+
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public Player.Spigot spigot()
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{
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return this.spigot;
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