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f37381ea8a
Removes synchronization from sending packets
Makes normal packet sends no longer need to be wrapped and queued like it use to work.
Adds more packet queue immunities on top of keep alive to let the following scenarios go out
without delay:
- Keep Alive
- Chat
- Kick
- All of the packets during the Player Joined World event
Hoping that latter one helps join timeout issues more too for slow connections.
Removes processing packet queue off of main thread
- for the few cases where it is allowed, order is not necessary nor
should it even be happening concurrently in first place (handshaking/login/status)
Ensures packets sent asynchronously are dispatched on main thread
This helps ensure safety for ProtocolLib as packet listeners
are commonly accessing world state. This will allow you to schedule
a packet to be sent async, but itll be dispatched sync for packet
listeners to process.
This should solve some deadlock risks
This may provide a decent performance improvement because thread synchronization incurs a cache reset
so by avoiding ever entering a synchronized block, we get to avoid that, and packet sending is a really
hot activity.
59 lines
2.7 KiB
Diff
59 lines
2.7 KiB
Diff
From 03c72e21e244c7c8beb80f9767b4b8db173b0dc8 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Tue, 1 Jan 2019 02:22:01 -0800
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Subject: [PATCH] Add Heightmap API
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index f797d737a37..983bc1c7d9c 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -573,8 +573,8 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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}
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}
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- @Override
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- public int a(HeightMap.Type heightmap_type, int i, int j) {
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+ public final int getHighestBlockY(final HeightMap.Type heightmap, final int x, final int z) { return this.a(heightmap, x, z); } // Paper - OBFHELPER
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+ @Override public int a(HeightMap.Type heightmap_type, int i, int j) { // Paper - OBFHELPER
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int k;
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if (i >= -30000000 && j >= -30000000 && i < 30000000 && j < 30000000) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index db31b17b870..0d5731429ab 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -339,6 +339,29 @@ public class CraftWorld implements World {
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return getHighestBlockYAt(x, z, org.bukkit.HeightMap.MOTION_BLOCKING);
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}
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+ // Paper start - Implement heightmap api
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+ @Override
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+ public int getHighestBlockYAt(final int x, final int z, final com.destroystokyo.paper.HeightmapType heightmap) throws UnsupportedOperationException {
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+ this.getChunkAt(x >> 4, z >> 4); // heightmap will ret 0 on unloaded areas
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+
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+ switch (heightmap) {
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+ case LIGHT_BLOCKING:
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+ throw new UnsupportedOperationException(); // TODO
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+ //return this.world.getHighestBlockY(HeightMap.Type.LIGHT_BLOCKING, x, z);
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+ case ANY:
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+ return this.world.getHighestBlockY(net.minecraft.server.HeightMap.Type.WORLD_SURFACE, x, z);
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+ case SOLID:
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+ return this.world.getHighestBlockY(net.minecraft.server.HeightMap.Type.OCEAN_FLOOR, x, z);
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+ case SOLID_OR_LIQUID:
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+ return this.world.getHighestBlockY(net.minecraft.server.HeightMap.Type.MOTION_BLOCKING, x, z);
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+ case SOLID_OR_LIQUID_NO_LEAVES:
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+ return this.world.getHighestBlockY(net.minecraft.server.HeightMap.Type.MOTION_BLOCKING_NO_LEAVES, x, z);
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+ default:
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+ throw new UnsupportedOperationException();
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+ }
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+ }
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+ // Paper end
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+
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@Override
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public Location getSpawnLocation() {
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BlockPosition spawn = world.getSpawn();
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--
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2.26.2
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