Initial Commit

plugin.yml

@@ -0,0 +1,23 @@
+main: eu.endercentral.crazy_advancements.CrazyAdvancementsAPI
+name: CrazyAdvancementsAPI
+version: 2.0
+api-version: 1.13
+load: startup
+author: ZockerAxel
+commands:
+  grant:
+    usage: /cagrant <Player> <Manager> <Advancement> [Criteria...]
+    description: Grants <Advancement>-[Criteria...] to <Player> in <Manager>
+    aliases: [cagrant]
+  revoke:
+    usage: /carevoke <Player> <Manager> <Advancement> [Criteria...]
+    description: Revokes <Advancement>-[Criteria...] from <Player> in <Manager>
+    aliases: [carevoke]
+  setprogress:
+    usage: /setprogress <Player> <Manager> <Advancement> <Number>
+    description: Sets <Advancement> Progress for <Player> in <Manager>
+    aliases: [caprogress]
+  showtoast:
+    usage: /showtoast <Player> <Icon> <Message>
+    description: Displays a Toast Advancement Message
+    aliases: [catoast, toast]

pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>eu.endercentral.crazy_advancements</groupId>
+  <artifactId>CrazyAdvancementsAPI</artifactId>
+  <version>2.0</version>
+  <packaging>jar</packaging>
+
+  <name>CrazyAdvancementsAPI</name>
+  <url>https://crazyadvancements.endercentral.eu</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+           <groupId>org.spigotmc</groupId>
+           <artifactId>spigot-api</artifactId>
+           <version>1.17-R0.1-SNAPSHOT</version>
+           <scope>provided</scope>
+    </dependency>
+  </dependencies>
+
+  <repositories>
+	 <repository>
+        <id>spigot-repo</id>
+        <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
+    </repository>
+  </repositories>
+
+</project>

src/eu/endercentral/crazy_advancements/AdvancementPacketReceiver.java

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+package eu.endercentral.crazy_advancements;
+
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.List;
+
+import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.v1_17_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+import eu.endercentral.crazy_advancements.event.AdvancementScreenCloseEvent;
+import eu.endercentral.crazy_advancements.event.AdvancementTabChangeEvent;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelPipeline;
+import io.netty.handler.codec.MessageToMessageDecoder;
+import net.minecraft.network.NetworkManager;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.game.PacketPlayInAdvancements;
+import net.minecraft.network.protocol.game.PacketPlayInAdvancements.Status;
+
+public class AdvancementPacketReceiver {
+
+	private static HashMap<String, ChannelHandler> handlers = new HashMap<>();
+	private static Field channelField;
+
+	{
+		for(Field f : NetworkManager.class.getDeclaredFields()) {
+			if(f.getType().isAssignableFrom(Channel.class)) {
+				channelField = f;
+				channelField.setAccessible(true);
+				break;
+			}
+		}
+	}
+
+	interface PacketReceivingHandler {
+		public boolean handle(Player p, PacketPlayInAdvancements packet);
+	}
+
+	public ChannelHandler listen(final Player p, final PacketReceivingHandler handler) {
+		Channel ch = getNettyChannel(p);
+		ChannelPipeline pipe = ch.pipeline();
+
+		ChannelHandler handle = new MessageToMessageDecoder<Packet<?>>() {
+			@Override
+			protected void decode(ChannelHandlerContext chc, Packet<?> packet, List<Object> out) throws Exception {
+
+				if(packet instanceof PacketPlayInAdvancements) {
+					if(!handler.handle(p, (PacketPlayInAdvancements) packet)) {
+						out.add(packet);
+					}
+					return;
+				}
+
+				out.add(packet);
+			}
+		};
+		pipe.addAfter("decoder", "endercentral_crazy_advancements_listener_" + handler.hashCode(), handle);
+
+
+		return handle;
+	}
+
+	public Channel getNettyChannel(Player p) {
+	    NetworkManager manager = ((CraftPlayer)p).getHandle().b.a;
+	    Channel channel = null;
+	    try {
+	        channel = (Channel) channelField.get(manager);
+	    } catch (IllegalArgumentException | IllegalAccessException e) {
+	        e.printStackTrace();
+	    }
+	    return channel;
+	}
+
+	public boolean close(Player p, ChannelHandler handler) {
+	    try {
+	        ChannelPipeline pipe = getNettyChannel(p).pipeline();
+	        pipe.remove(handler);
+	        return true;
+	    } catch(Exception e) {
+	        return false;
+	    }
+	}
+
+	public HashMap<String, ChannelHandler> getHandlers() {
+		return handlers;
+	}
+
+	public void initPlayer(Player p) {
+		handlers.put(p.getName(), listen(p, new PacketReceivingHandler() {
+
+			@Override
+			public boolean handle(Player p, PacketPlayInAdvancements packet) {
+
+				if(packet.c() == Status.a) {
+					NameKey name = new NameKey(packet.d());
+					AdvancementTabChangeEvent event = new AdvancementTabChangeEvent(p, name);
+					Bukkit.getPluginManager().callEvent(event);
+
+					if(event.isCancelled()) {
+						CrazyAdvancementsAPI.clearActiveTab(p);
+						return false;
+					} else {
+						if(!event.getTabAdvancement().equals(name)) {
+							CrazyAdvancementsAPI.setActiveTab(p, event.getTabAdvancement());
+						} else {
+							CrazyAdvancementsAPI.setActiveTab(p, name, false);
+						}
+					}
+				} else {
+					AdvancementScreenCloseEvent event = new AdvancementScreenCloseEvent(p);
+					Bukkit.getPluginManager().callEvent(event);
+				}
+
+
+				return true;
+			}
+		}));
+	}
+
+}