Add Events to allow overriding core functionality

connector/src/main/java/org/geysermc/connector/GeyserConnector.java

@@ -38,6 +38,7 @@
 import org.geysermc.connector.command.CommandManager;
 import org.geysermc.connector.event.EventManager;
 import org.geysermc.connector.configuration.GeyserConfiguration;
+import org.geysermc.connector.event.events.BedrockCodecRegistryEvent;
 import org.geysermc.connector.metrics.Metrics;
 import org.geysermc.connector.network.ConnectorServerEventHandler;
 import org.geysermc.connector.network.remote.RemoteServer;
@@ -77,7 +78,7 @@ public class GeyserConnector {
 
     public static final ObjectMapper JSON_MAPPER = new ObjectMapper().disable(DeserializationFeature.FAIL_ON_IGNORED_PROPERTIES);
 
-    public static final BedrockPacketCodec BEDROCK_PACKET_CODEC = Bedrock_v407.V407_CODEC;
+    public static BedrockPacketCodec BEDROCK_PACKET_CODEC;
 
     public static final String NAME = "Geyser";
     public static final String VERSION = "DEV"; // A fallback for running in IDEs
@@ -129,7 +130,9 @@ private GeyserConnector(PlatformType platformType, GeyserBootstrap bootstrap) {
 
         this.eventManager = new EventManager(this);
         this.pluginManager = new PluginManager(this, bootstrap.getConfigFolder().resolve("plugins").toFile());
-        System.exit(1);
+
+        // Set Codec
+        BEDROCK_PACKET_CODEC = eventManager.triggerEvent(new BedrockCodecRegistryEvent(Bedrock_v407.V407_CODEC)).getEvent().getCodec();
 
         PacketTranslatorRegistry.init();
 

connector/src/main/java/org/geysermc/connector/event/EventManager.java

@@ -45,13 +45,19 @@
 
 @SuppressWarnings("unused")
 @Getter
-@AllArgsConstructor
 public class EventManager {
+    @Getter
+    private static EventManager instance;
     private final Map<Class<? extends GeyserEvent>, PriorityQueue<EventHandler<? extends GeyserEvent>>> eventHandlers = new HashMap<>();
     private final Map<Object, ArrayList<EventHandler<?>>> classEventHandlers = new HashMap<>();
 
     private final GeyserConnector connector;
 
+    public EventManager(GeyserConnector connector) {
+        instance = this;
+        this.connector = connector;
+    }
+
     /**
      * Trigger a new event.
      *

connector/src/main/java/org/geysermc/connector/event/events/BedrockCodecRegistryEvent.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.connector.event.events;
+
+import com.nukkitx.protocol.bedrock.BedrockPacketCodec;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode(callSuper = true)
+@AllArgsConstructor
+@Data
+public class BedrockCodecRegistryEvent extends GeyserEvent {
+    private BedrockPacketCodec codec;
+}

connector/src/main/java/org/geysermc/connector/event/events/BlockEntityRegistryEvent.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.connector.event.events;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+import java.util.Set;
+
+/**
+ * Triggered when registering Packet Translators
+ */
+@EqualsAndHashCode(callSuper = true)
+@AllArgsConstructor
+@Data
+public class BlockEntityRegistryEvent extends GeyserEvent {
+    private Set<Class<?>> registeredTranslators;
+}

connector/src/main/java/org/geysermc/connector/event/events/CancellableGeyserEvent.java

@@ -26,13 +26,12 @@
 
 package org.geysermc.connector.event.events;
 
-import lombok.Getter;
-import lombok.Setter;
-import lombok.ToString;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 
-@Getter
-@ToString
+@EqualsAndHashCode(callSuper = true)
+@Data
 public abstract class CancellableGeyserEvent extends GeyserEvent {
-    @Setter
     private boolean cancelled = false;
 }

connector/src/main/java/org/geysermc/connector/event/events/DownstreamPacketReceiveEvent.java

@@ -28,6 +28,8 @@
 
 import com.github.steveice10.packetlib.packet.Packet;
 import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.ToString;
 import org.geysermc.connector.network.session.GeyserSession;
@@ -38,11 +40,10 @@
  * If cancelled then regular processes of the packet will not proceed
  */
 
-@Getter
-@ToString
+@EqualsAndHashCode(callSuper = true)
 @AllArgsConstructor
+@Data
 public class DownstreamPacketReceiveEvent<T extends Packet> extends CancellableGeyserEvent {
-
-    private final GeyserSession session;
-    private final T packet;
+    private GeyserSession session;
+    private T packet;
 }

connector/src/main/java/org/geysermc/connector/event/events/DownstreamPacketSendEvent.java

@@ -28,6 +28,8 @@
 
 import com.github.steveice10.packetlib.packet.Packet;
 import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.ToString;
 import org.geysermc.connector.network.session.GeyserSession;
@@ -38,11 +40,10 @@
  * If cancelled then regular processes of the packet will not proceed
  */
 
-@Getter
-@ToString
+@EqualsAndHashCode(callSuper = true)
 @AllArgsConstructor
+@Data
 public class DownstreamPacketSendEvent<T extends Packet> extends CancellableGeyserEvent {
-
-    private final GeyserSession session;
-    private final T packet;
+    private GeyserSession session;
+    private T packet;
 }

connector/src/main/java/org/geysermc/connector/event/events/GeyserEvent.java

@@ -26,5 +26,8 @@
 
 package org.geysermc.connector.event.events;
 
+import lombok.Data;
+
+@Data
 public abstract class GeyserEvent {
 }

connector/src/main/java/org/geysermc/connector/event/events/ItemRemapperRegistryEvent.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.connector.event.events;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+import java.util.Set;
+
+/**
+ * Triggered when registering Item Remapper Translators
+ */
+@EqualsAndHashCode(callSuper = true)
+@AllArgsConstructor
+@Data
+public class ItemRemapperRegistryEvent extends GeyserEvent {
+    private Set<Class<?>> registeredTranslators;
+}

connector/src/main/java/org/geysermc/connector/event/events/PacketTranslatorRegistryEvent.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in
+ *  all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *  THE SOFTWARE.
+ *
+ *  @author GeyserMC
+ *  @link https://github.com/GeyserMC/Geyser
+ *
+ */
+
+package org.geysermc.connector.event.events;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import java.util.Set;
+
+/**
+ * Triggered when registering Packet Translators
+ */
+@EqualsAndHashCode(callSuper = true)
+@AllArgsConstructor
+@Data
+public class PacketTranslatorRegistryEvent extends GeyserEvent {
+    private Set<Class<?>> registeredTranslators;
+}

connector/src/main/java/org/geysermc/connector/event/events/PluginDisableEvent.java

@@ -27,13 +27,13 @@
 package org.geysermc.connector.event.events;
 
 import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 import org.geysermc.connector.plugin.GeyserPlugin;
 
-@Getter
-@ToString
+@EqualsAndHashCode(callSuper = true)
 @AllArgsConstructor
+@Data
 public class PluginDisableEvent extends GeyserEvent {
-    private final GeyserPlugin plugin;
+    private GeyserPlugin plugin;
 }

connector/src/main/java/org/geysermc/connector/event/events/PluginEnableEvent.java

@@ -27,13 +27,13 @@
 package org.geysermc.connector.event.events;
 
 import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 import org.geysermc.connector.plugin.GeyserPlugin;
 
-@Getter
-@ToString
+@EqualsAndHashCode(callSuper = true)
 @AllArgsConstructor
+@Data
 public class PluginEnableEvent extends CancellableGeyserEvent {
-    private final GeyserPlugin plugin;
+    private GeyserPlugin plugin;
 }

connector/src/main/java/org/geysermc/connector/event/events/PluginMessageEvent.java

@@ -27,15 +27,15 @@
 package org.geysermc.connector.event.events;
 
 import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
 import org.geysermc.connector.network.session.GeyserSession;
 
-@Getter
-@ToString
+@EqualsAndHashCode(callSuper = true)
 @AllArgsConstructor
+@Data
 public class PluginMessageEvent extends CancellableGeyserEvent {
-    private final GeyserSession session;
-    private final String channel;
-    private final byte[] data;
+    private GeyserSession session;
+    private String channel;
+    private byte[] data;
 }