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papermc/Spigot-Server-Patches/0356-Fire-event-on-GS4-query.patch
Aikar 36f34f01c0
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:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
Date: Sun, 17 Mar 2019 21:46:56 +0200
Subject: [PATCH] Fire event on GS4 query
diff --git a/src/main/java/net/minecraft/server/RemoteConnectionThread.java b/src/main/java/net/minecraft/server/RemoteConnectionThread.java
index 66bfbcf02b5584a3abb29f5d7a32e3bb2c6abbea..d821ef9a757494d02eb3be36a619c67562faf967 100644
--- a/src/main/java/net/minecraft/server/RemoteConnectionThread.java
+++ b/src/main/java/net/minecraft/server/RemoteConnectionThread.java
@@ -15,7 +15,7 @@ public abstract class RemoteConnectionThread implements Runnable {
private static final Logger LOGGER = LogManager.getLogger();
private static final AtomicInteger i = new AtomicInteger(0);
protected boolean a;
- protected final IMinecraftServer b;
+ protected final IMinecraftServer b; protected IMinecraftServer getServer() { return this.b; } // Paper - OBFHELPER
protected final String c;
protected Thread d;
protected final int e = 5;
@@ -94,6 +94,7 @@ public abstract class RemoteConnectionThread implements Runnable {
this.b.g(s);
}
+ protected int getPlayerCount() { return this.d(); } // Paper - OBFHELPER
protected int d() {
return this.b.getPlayerCount();
}
diff --git a/src/main/java/net/minecraft/server/RemoteStatusListener.java b/src/main/java/net/minecraft/server/RemoteStatusListener.java
index f4f4e31d3c2ee8c7ecbe441f38b518217baa4ba5..d5025938473d3585e83994e890f742cf26c8061e 100644
--- a/src/main/java/net/minecraft/server/RemoteStatusListener.java
+++ b/src/main/java/net/minecraft/server/RemoteStatusListener.java
@@ -21,19 +21,19 @@ public class RemoteStatusListener extends RemoteConnectionThread {
private long h;
private final int i;
- private final int j;
- private final int k;
- private final String l;
- private final String m;
+ private final int j; private int getServerPort() { return this.j; } // Paper - OBFHELPER
+ private final int k; private int getMaxPlayers() { return this.k; } // Paper - OBFHELPER
+ private final String l; private String getMotd() { return this.l; } // Paper - OBFHELPER
+ private final String m; private String getWorldName() { return this.m; } // Paper - OBFHELPER
private DatagramSocket n;
private final byte[] o = new byte[1460];
private DatagramPacket p;
private final Map<SocketAddress, String> q;
- private String r;
+ private String r; private String getServerHost() { return this.r; } // Paper - OBFHELPER
private String s;
private final Map<SocketAddress, RemoteStatusListener.RemoteStatusChallenge> t;
private final long u;
- private final RemoteStatusReply v;
+ private final RemoteStatusReply v; private RemoteStatusReply getCachedFullResponse() { return this.v; } // Paper - OBFHELPER
private long w;
public RemoteStatusListener(IMinecraftServer iminecraftserver) {
@@ -91,6 +91,7 @@ public class RemoteStatusListener extends RemoteConnectionThread {
remotestatusreply.a((int) 0);
remotestatusreply.a(this.a(datagrampacket.getSocketAddress()));
+ /* Paper start - GS4 Query event
remotestatusreply.a(this.l);
remotestatusreply.a("SMP");
remotestatusreply.a(this.m);
@@ -98,6 +99,31 @@ public class RemoteStatusListener extends RemoteConnectionThread {
remotestatusreply.a(Integer.toString(this.k));
remotestatusreply.a((short) this.j);
remotestatusreply.a(this.r);
+ */
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType queryType =
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType.BASIC;
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse queryResponse = com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.builder()
+ .motd(this.getMotd())
+ .map(this.getWorldName())
+ .currentPlayers(this.getPlayerCount())
+ .maxPlayers(this.getMaxPlayers())
+ .port(this.getServerPort())
+ .hostname(this.getServerHost())
+ .gameVersion(this.getServer().getVersion())
+ .serverVersion(org.bukkit.Bukkit.getServer().getName() + " on " + org.bukkit.Bukkit.getServer().getBukkitVersion())
+ .build();
+ com.destroystokyo.paper.event.server.GS4QueryEvent queryEvent =
+ new com.destroystokyo.paper.event.server.GS4QueryEvent(queryType, datagrampacket.getAddress(), queryResponse);
+ queryEvent.callEvent();
+ queryResponse = queryEvent.getResponse();
+ remotestatusreply.writeString(queryResponse.getMotd());
+ remotestatusreply.writeString("SMP");
+ remotestatusreply.writeString(queryResponse.getMap());
+ remotestatusreply.writeString(Integer.toString(queryResponse.getCurrentPlayers()));
+ remotestatusreply.writeString(Integer.toString(queryResponse.getMaxPlayers()));
+ remotestatusreply.writeShort((short) queryResponse.getPort());
+ remotestatusreply.writeString(queryResponse.getHostname());
+ // Paper end
this.a(remotestatusreply.a(), datagrampacket);
this.a("Status [" + socketaddress + "]");
}
@@ -134,6 +160,7 @@ public class RemoteStatusListener extends RemoteConnectionThread {
this.v.a("splitnum");
this.v.a((int) 128);
this.v.a((int) 0);
+ /* Paper start - GS4 Query event
this.v.a("hostname");
this.v.a(this.l);
this.v.a("gametype");
@@ -169,6 +196,79 @@ public class RemoteStatusListener extends RemoteConnectionThread {
}
this.v.a((int) 0);
+ */
+ // Pack plugins
+ java.util.List<com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation> plugins = java.util.Collections.emptyList();
+ org.bukkit.plugin.Plugin[] bukkitPlugins;
+ if(((DedicatedServer) this.getServer()).server.getQueryPlugins() && (bukkitPlugins = org.bukkit.Bukkit.getPluginManager().getPlugins()).length > 0) {
+ plugins = java.util.stream.Stream.of(bukkitPlugins)
+ .map(plugin -> com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation.of(plugin.getName(), plugin.getDescription().getVersion()))
+ .collect(java.util.stream.Collectors.toList());
+ }
+
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse queryResponse = com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.builder()
+ .motd(this.getMotd())
+ .map(this.getWorldName())
+ .currentPlayers(this.getPlayerCount())
+ .maxPlayers(this.getMaxPlayers())
+ .port(this.getServerPort())
+ .hostname(this.getServerHost())
+ .plugins(plugins)
+ .players(this.getServer().getPlayers())
+ .gameVersion(this.getServer().getVersion())
+ .serverVersion(org.bukkit.Bukkit.getServer().getName() + " on " + org.bukkit.Bukkit.getServer().getBukkitVersion())
+ .build();
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType queryType =
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType.FULL;
+ com.destroystokyo.paper.event.server.GS4QueryEvent queryEvent =
+ new com.destroystokyo.paper.event.server.GS4QueryEvent(queryType, datagrampacket.getAddress(), queryResponse);
+ queryEvent.callEvent();
+ queryResponse = queryEvent.getResponse();
+ this.getCachedFullResponse().writeString("hostname");
+ this.getCachedFullResponse().writeString(queryResponse.getMotd());
+ this.getCachedFullResponse().writeString("gametype");
+ this.getCachedFullResponse().writeString("SMP");
+ this.getCachedFullResponse().writeString("game_id");
+ this.getCachedFullResponse().writeString("MINECRAFT");
+ this.getCachedFullResponse().writeString("version");
+ this.getCachedFullResponse().writeString(queryResponse.getGameVersion());
+ this.getCachedFullResponse().writeString("plugins");
+ java.lang.StringBuilder pluginsString = new java.lang.StringBuilder();
+ pluginsString.append(queryResponse.getServerVersion());
+ if(!queryResponse.getPlugins().isEmpty()) {
+ pluginsString.append(": ");
+ Iterator<com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation> iter = queryResponse.getPlugins().iterator();
+ while(iter.hasNext()) {
+ com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation info = iter.next();
+ pluginsString.append(info.getName());
+ if (info.getVersion() != null) {
+ pluginsString.append(' ').append(info.getVersion().replaceAll(";", ","));
+ }
+ if (iter.hasNext()) {
+ pluginsString.append(';').append(' ');
+ }
+ }
+ }
+ this.getCachedFullResponse().writeString(pluginsString.toString());
+ this.getCachedFullResponse().writeString("map");
+ this.getCachedFullResponse().writeString(queryResponse.getMap());
+ this.getCachedFullResponse().writeString("numplayers");
+ this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getCurrentPlayers()));
+ this.getCachedFullResponse().writeString("maxplayers");
+ this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getMaxPlayers()));
+ this.getCachedFullResponse().writeString("hostport");
+ this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getPort()));
+ this.getCachedFullResponse().writeString("hostip");
+ this.getCachedFullResponse().writeString(queryResponse.getHostname());
+ // The "meaningless data" start, copied from above
+ this.getCachedFullResponse().writeInt(0);
+ this.getCachedFullResponse().writeInt(1);
+ this.getCachedFullResponse().writeString("player_");
+ this.getCachedFullResponse().writeInt(0);
+ // "Meaningless data" end
+ queryResponse.getPlayers().forEach(this.getCachedFullResponse()::writeStringUnchecked);
+ this.getCachedFullResponse().writeInt(0);
+ // Paper end
return this.v.a();
}
}
diff --git a/src/main/java/net/minecraft/server/RemoteStatusReply.java b/src/main/java/net/minecraft/server/RemoteStatusReply.java
index 848b5c3f0e00f32d565dc5a241e17fa6d152ae8d..73efea7e1354df306c0eadfc52b75ec8ed9883d9 100644
--- a/src/main/java/net/minecraft/server/RemoteStatusReply.java
+++ b/src/main/java/net/minecraft/server/RemoteStatusReply.java
@@ -18,15 +18,27 @@ public class RemoteStatusReply {
this.b.write(abyte, 0, abyte.length);
}
+ public void writeString(String string) throws IOException { this.a(string); } // Paper - OBFHELPER
public void a(String s) throws IOException {
this.b.writeBytes(s);
this.b.write(0);
}
+ // Paper start - unchecked exception variant to use in Stream API
+ public void writeStringUnchecked(String string) {
+ try {
+ writeString(string);
+ } catch (IOException e) {
+ com.destroystokyo.paper.util.SneakyThrow.sneaky(e);
+ }
+ }
+ // Paper end
+ public void writeInt(int i) throws IOException { this.a(i); } // Paper - OBFHELPER
public void a(int i) throws IOException {
this.b.write(i);
}
+ public void writeShort(short i) throws IOException { this.a(i); } // Paper - OBFHELPER
public void a(short short0) throws IOException {
this.b.writeShort(Short.reverseBytes(short0));
}
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