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Paper/Spigot-Server-Patches/0037-Send-absolute-position-the-first-time-an-entity-is-s.patch
Aikar 57dd397155
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears 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:
b999860d SPIGOT-2304: Add LootGenerateEvent

CraftBukkit Changes:
77fd87e4 SPIGOT-2304: Implement LootGenerateEvent
a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent
41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-01 18:03:57 -04:00

112 lines
5.4 KiB
Diff

From 10395b6165373c7b9fee5ad40e085d90e2d121e1 Mon Sep 17 00:00:00 2001
From: Jedediah Smith <jedediah@silencegreys.com>
Date: Wed, 2 Mar 2016 23:13:07 -0600
Subject: [PATCH] Send absolute position the first time an entity is seen
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
index a75e0ec54e..a13fd9b340 100644
--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
@@ -2,6 +2,7 @@ package net.minecraft.server;
import java.util.Collection;
import java.util.Collections;
+import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
@@ -21,7 +22,7 @@ public class EntityTrackerEntry {
private final Entity tracker;
private final int d;
private final boolean e;
- private final Consumer<Packet<?>> f;
+ private final Consumer<Packet<?>> f; private Consumer<Packet<?>> getPacketConsumer() { return f; } // Paper - OBFHELPER
private long xLoc;
private long yLoc;
private long zLoc;
@@ -36,8 +37,23 @@ public class EntityTrackerEntry {
private boolean r;
// CraftBukkit start
private final Set<EntityPlayer> trackedPlayers;
+ // Paper start
+ private java.util.Map<EntityPlayer, Boolean> trackedPlayerMap = null;
+
+ /**
+ * Requested in https://github.com/PaperMC/Paper/issues/1537 to allow intercepting packets
+ */
+ public void sendPlayerPacket(EntityPlayer player, Packet packet) {
+ player.playerConnection.sendPacket(packet);
+ }
+
+ public EntityTrackerEntry(WorldServer worldserver, Entity entity, int i, boolean flag, Consumer<Packet<?>> consumer, java.util.Map<EntityPlayer, Boolean> trackedPlayers) {
+ this(worldserver, entity, i, flag, consumer, trackedPlayers.keySet());
+ trackedPlayerMap = trackedPlayers;
+ }
public EntityTrackerEntry(WorldServer worldserver, Entity entity, int i, boolean flag, Consumer<Packet<?>> consumer, Set<EntityPlayer> trackedPlayers) {
+ // Paper end
this.trackedPlayers = trackedPlayers;
// CraftBukkit end
this.m = Vec3D.a;
@@ -159,7 +175,25 @@ public class EntityTrackerEntry {
}
if (packet1 != null) {
- this.f.accept(packet1);
+ // paper start
+ if (trackedPlayerMap == null || packet1 instanceof PacketPlayOutEntityTeleport) {
+ this.f.accept((packet1));
+ } else {
+ PacketPlayOutEntityTeleport teleportPacket = null;
+
+ for (java.util.Map.Entry<EntityPlayer, Boolean> viewer : trackedPlayerMap.entrySet()) {
+ if (viewer.getValue()) {
+ viewer.setValue(false);
+ if (teleportPacket == null) {
+ teleportPacket = new PacketPlayOutEntityTeleport(this.tracker);
+ }
+ sendPlayerPacket(viewer.getKey(), teleportPacket);
+ } else {
+ sendPlayerPacket(viewer.getKey(), packet1);
+ }
+ }
+ }
+ // Paper end
}
this.c();
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 5e31b65e16..d49f456f73 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -1217,10 +1217,14 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
private final Entity tracker;
private final int trackingDistance;
private SectionPosition e;
- public final Set<EntityPlayer> trackedPlayers = Sets.newHashSet();
+ // Paper start
+ // Replace trackedPlayers Set with a Map. The value is true until the player receives
+ // their first update (which is forced to have absolute coordinates), false afterward.
+ public java.util.Map<EntityPlayer, Boolean> trackedPlayerMap = new java.util.HashMap<>();
+ public Set<EntityPlayer> trackedPlayers = trackedPlayerMap.keySet();
public EntityTracker(Entity entity, int i, int j, boolean flag) {
- this.trackerEntry = new EntityTrackerEntry(PlayerChunkMap.this.world, entity, j, flag, this::broadcast, trackedPlayers); // CraftBukkit
+ this.trackerEntry = new EntityTrackerEntry(PlayerChunkMap.this.world, entity, j, flag, this::broadcast, trackedPlayerMap); // CraftBukkit // Paper
this.tracker = entity;
this.trackingDistance = i;
this.e = SectionPosition.a(entity);
@@ -1302,7 +1306,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
entityplayer.removeQueue.remove(Integer.valueOf(this.tracker.getId()));
// CraftBukkit end
- if (flag1 && this.trackedPlayers.add(entityplayer)) {
+ if (flag1 && this.trackedPlayerMap.putIfAbsent(entityplayer, true) == null) { // Paper
this.trackerEntry.b(entityplayer);
}
} else if (this.trackedPlayers.remove(entityplayer)) {
--
2.26.2