Paper/Spigot-Server-Patches/0030-Player-lookup-improvements.patch
Zach Brown 233814297b Remove the spigot TileEntity/Entity capping feature
It appears to cause visual glitching issues with certain TNT entities
fired from cannons. TileEntity tick capping has already been removed
for some time, Entity tick capping removal is new to this patch.
2015-05-30 01:39:20 -05:00

177 Zeilen
7.7 KiB
Diff

From 9640455e349da4b9f1a8ab4e83b0934fa0a41860 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 8 Mar 2015 04:03:56 -0500
Subject: [PATCH] Player lookup improvements
Minecraft and CraftBukkit both use Arrays to store online players,
and any time a player needs to be looked up by name or UUID,
the system iterates all online players and does a name or UUID comparison.
This is very ineffecient and can reduce performance on servers with high player count.
By using a map based approach for player lookups, player lookup should
be consistent in performance regardless of how many players are online.
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index a88be23..f4f78e8 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -49,6 +49,31 @@ public abstract class PlayerList {
private static final SimpleDateFormat g = new SimpleDateFormat("yyyy-MM-dd \'at\' HH:mm:ss z");
private final MinecraftServer server;
public final List<EntityPlayer> players = new java.util.concurrent.CopyOnWriteArrayList(); // CraftBukkit - ArrayList -> CopyOnWriteArrayList: Iterator safety, public
+ // PaperSpigot start - Player lookup improvements
+ public final Map<String, EntityPlayer> playerMap = new java.util.HashMap<String, EntityPlayer>() {
+ @Override
+ public EntityPlayer put(String key, EntityPlayer value) {
+ return super.put(key.toLowerCase(), value);
+ }
+
+ @Override
+ public EntityPlayer get(Object key) {
+ // put the .playerConnection check done in other places here
+ EntityPlayer player = super.get(key instanceof String ? ((String) key).toLowerCase() : key);
+ return (player != null && player.playerConnection != null) ? player : null;
+ }
+
+ @Override
+ public boolean containsKey(Object key) {
+ return get(key) != null;
+ }
+
+ @Override
+ public EntityPlayer remove(Object key) {
+ return super.remove(key instanceof String ? ((String) key).toLowerCase() : key);
+ }
+ };
+ // PaperSpigot end
private final Map<UUID, EntityPlayer> j = Maps.newHashMap();
private final GameProfileBanList k;
private final IpBanList l;
@@ -287,6 +312,7 @@ public abstract class PlayerList {
public void onPlayerJoin(EntityPlayer entityplayer, String joinMessage) { // CraftBukkit added param
this.players.add(entityplayer);
+ this.playerMap.put(entityplayer.getName(), entityplayer); // PaperSpigot
this.j.put(entityplayer.getUniqueID(), entityplayer);
// this.sendAll(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER, new EntityPlayer[] { entityplayer})); // CraftBukkit - replaced with loop below
WorldServer worldserver = this.server.getWorldServer(entityplayer.dimension);
@@ -358,6 +384,7 @@ public abstract class PlayerList {
worldserver.kill(entityplayer);
worldserver.getPlayerChunkMap().removePlayer(entityplayer);
this.players.remove(entityplayer);
+ this.playerMap.remove(entityplayer.getName()); // PaperSpigot
UUID uuid = entityplayer.getUniqueID();
EntityPlayer entityplayer1 = (EntityPlayer) this.j.get(uuid);
@@ -395,6 +422,8 @@ public abstract class PlayerList {
EntityPlayer entityplayer;
+ // PaperSpigot start - Use exact lookup below
+ /*
for (int i = 0; i < this.players.size(); ++i) {
entityplayer = (EntityPlayer) this.players.get(i);
if (entityplayer.getUniqueID().equals(uuid)) {
@@ -406,6 +435,9 @@ public abstract class PlayerList {
while (iterator.hasNext()) {
entityplayer = (EntityPlayer) iterator.next();
+ */
+ if ((entityplayer = this.a(uuid)) != null) {
+ // PaperSpigot end
savePlayerFile(entityplayer); // CraftBukkit - Force the player's inventory to be saved
entityplayer.playerConnection.disconnect("You logged in from another location");
}
@@ -1010,6 +1042,7 @@ public abstract class PlayerList {
}
public EntityPlayer getPlayer(String s) {
+ if (true) { return playerMap.get(s); } // PaperSpigot
Iterator iterator = this.players.iterator();
EntityPlayer entityplayer;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftOfflinePlayer.java b/src/main/java/org/bukkit/craftbukkit/CraftOfflinePlayer.java
index 8be0698..4a908c6 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftOfflinePlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftOfflinePlayer.java
@@ -144,14 +144,10 @@ public class CraftOfflinePlayer implements OfflinePlayer, ConfigurationSerializa
}
public Player getPlayer() {
- for (Object obj : server.getHandle().players) {
- EntityPlayer player = (EntityPlayer) obj;
- if (player.getUniqueID().equals(getUniqueId())) {
- return (player.playerConnection != null) ? player.playerConnection.getPlayer() : null;
- }
- }
-
- return null;
+ // PaperSpigot - Improved player lookup, replace entire method
+ final EntityPlayer playerEntity = server.getHandle().a(getUniqueId());
+ return playerEntity != null ? playerEntity.getBukkitEntity() : null;
+ // PaperSpigot end
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 421fa76..63c157d 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -401,7 +401,12 @@ public final class CraftServer implements Server {
public Player getPlayer(final String name) {
Validate.notNull(name, "Name cannot be null");
- Player found = null;
+ // PaperSpigot start - Improved player lookup changes
+ Player found = getPlayerExact(name);
+ if (found != null) {
+ return found;
+ }
+ // PaperSpigot end
String lowerName = name.toLowerCase();
int delta = Integer.MAX_VALUE;
for (Player player : getOnlinePlayers()) {
@@ -422,15 +427,10 @@ public final class CraftServer implements Server {
public Player getPlayerExact(String name) {
Validate.notNull(name, "Name cannot be null");
- String lname = name.toLowerCase();
-
- for (Player player : getOnlinePlayers()) {
- if (player.getName().equalsIgnoreCase(lname)) {
- return player;
- }
- }
-
- return null;
+ // PaperSpigot start - Improved player lookup, replace whole method
+ EntityPlayer player = playerList.playerMap.get(name);
+ return player != null ? player.getBukkitEntity() : null;
+ // PaperSpigot end
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 3c5d90d..ae75b36 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -105,13 +105,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
}
public boolean isOnline() {
- for (Object obj : server.getHandle().players) {
- EntityPlayer player = (EntityPlayer) obj;
- if (player.getName().equalsIgnoreCase(getName())) {
- return true;
- }
- }
- return false;
+ return server.getHandle().a(getUniqueId()) != null; // PaperSpigot - replace whole method
}
public InetSocketAddress getAddress() {
--
2.4.1.windows.1