1.19-pre1

Author: DustinRepo

Minecraft_1.19_Snapshot_docs.txt

@@ -189,6 +189,13 @@ boolean | Contains preview | Whether or not the following preview message is sen
 Chat    | Preview message  | The preview of the message you just sent with a chat-packet if preview=true
 ----------------------------------------------------------------------------------------------------------
 
+Allow Preview packet (client-bound)
+----------------------------------------------------------------------------------------------------------
+This packet was introduced in 1.19-pre1 to tell the client that it will not get previews
+
+Boolean | Enabled | Whether or not the server will accept/send chat preview packets
+----------------------------------------------------------------------------------------------------------
+
 Join Game (client-bound)
 ----------------------------------------------------------------------------------------------------------
 Int     | Entity ID   | The entity ID of the player

java/src/me/dustin/chatbot/chat/Translator.java

@@ -11,7 +11,7 @@ public class Translator {
     public static void setTranslation(String translation) {
         try {
             String v = ProtocolHandler.getCurrent().getName().replace(".", "_");
-            if (v.contains("pre") || v.contains("w"))
+            if (v.toLowerCase().contains("pre") || v.toLowerCase().contains("w"))
                 v = "1_19";
             //fat fuckin mess to create the version id needed for the link, i.e. 1_12 from 1.12.2
             if (v.split("_").length > 2)

java/src/me/dustin/chatbot/entity/Entity.java

@@ -109,8 +109,9 @@ public static boolean isLiving(String name) {
 
     static {
         String v = ProtocolHandler.getCurrent().getName().replace(".", "_");
-        if (v.contains("pre") || v.contains("w"))
+        if (v.toLowerCase().contains("pre") || v.toLowerCase().contains("w"))
             v = "1_19";
+        System.out.println(v);
         //fat fuckin mess to create the version id needed for the link, i.e. 1_12 from 1.12.2
         if (v.split("_").length > 2)
             v = v.split("_")[0] + "_" + v.split("_")[1];

java/src/me/dustin/chatbot/network/ClientConnection.java

@@ -73,6 +73,7 @@ public class ClientConnection {
     private boolean isEncrypted;
     private boolean isInGame;
     private boolean serverDoesPreview;
+    private boolean allowPreviews;
 
     private final World world;
     private final ClientPlayer clientPlayer;
@@ -366,7 +367,7 @@ public void setPendingMessage(String pendingMessage) {
     }
 
     public boolean serverDoesPreview() {
-        return this.serverDoesPreview;
+        return this.serverDoesPreview && isAllowPreviews();
     }
 
     public void setServerDoesPreview(boolean hasChatPreview) {
@@ -410,6 +411,14 @@ public boolean isChannelOpen() {
         return channel != null && channel.isOpen();
     }
 
+    public boolean isAllowPreviews() {
+        return allowPreviews;
+    }
+
+    public void setAllowPreviews(boolean allowPreviews) {
+        this.allowPreviews = allowPreviews;
+    }
+
     public enum NetworkState {
         HANDSHAKE, PLAY, STATUS, LOGIN
     }

java/src/me/dustin/chatbot/network/packet/handler/PlayClientBoundPacketHandler.java

@@ -161,6 +161,10 @@ public void handleUpdateHealthPacket(ClientBoundUpdateHealthPacket clientBoundUp
 
     public void handleCustomDataPacket(ClientBoundCustomDataPacket clientBoundCustomDataPacket) {}
 
+    public void handleSetPreviewEnabledPacket(ClientBoundSetPreviewEnabledPacket clientBoundSetPreviewEnabledPacket) {
+        getClientConnection().setAllowPreviews(clientBoundSetPreviewEnabledPacket.isEnabled());
+    }
+
     public void handleRemoveEntitiesPacket(ClientBoundRemoveEntities clientBoundRemoveEntities) {
         for (int entityId : clientBoundRemoveEntities.getEntityIds()) {
             Entity entity = getClientConnection().getWorld().getEntity(entityId);

java/src/me/dustin/chatbot/network/packet/impl/play/s2c/ClientBoundSetPreviewEnabledPacket.java

@@ -0,0 +1,23 @@
+package me.dustin.chatbot.network.packet.impl.play.s2c;
+
+import me.dustin.chatbot.network.packet.Packet;
+import me.dustin.chatbot.network.packet.handler.ClientBoundPacketHandler;
+import me.dustin.chatbot.network.packet.handler.PlayClientBoundPacketHandler;
+import me.dustin.chatbot.network.packet.pipeline.PacketByteBuf;
+
+public class ClientBoundSetPreviewEnabledPacket extends Packet.ClientBoundPacket {
+    private final boolean enabled;
+    public ClientBoundSetPreviewEnabledPacket(PacketByteBuf packetByteBuf) {
+        super(packetByteBuf);
+        this.enabled = packetByteBuf.readBoolean();
+    }
+
+    @Override
+    public void handlePacket(ClientBoundPacketHandler clientBoundPacketHandler) {
+        ((PlayClientBoundPacketHandler)clientBoundPacketHandler).handleSetPreviewEnabledPacket(this);
+    }
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+}

versions/protocol_versions.json

@@ -1,4 +1,14 @@
 {
+  "841": {
+    "name": "1.19 Pre-release 1",
+    "protocol_id": 1073741909,
+    "packets": {
+      "c2s": ["confirm_teleport", "block_nbt", "difficulty", "command_message", "chat_message", "chat_preview", "client_action", "settings", "chat_suggestions", "container_button", "container_click", "close_container", "plugin", "book", "entity_nbt", "entity_interact", "generate_structure", "heartbeat", "lock_difficulty", "position", "position_rotation", "rotation", "ground_change", "move_vehicle", "steer_boat", "item_pick", "crafting_recipe", "toggle_fly", "player_action", "entity_action", "steer_vehicle", "pong", "displayed_recipe", "recipe_book", "anvil_item_name", "resourcepack", "advancement_tab", "trade", "beacon_effect", "hotbar_slot", "command_block", "minecart_command_block", "item_stack_create", "jigsaw_block", "structure_block", "sign_text", "swing_arm", "entity_spectate", "block_interact", "use_item"
+      ],
+      "s2c": ["entity_object_spawn", "entity_experience_orb", "entity_player", "entity_animation", "statistics", "block_break", "block_break_animation", "block_data", "block_action", "block", "bossbar", "difficulty", "chat_preview", "clear_title", "chat_suggestions", "commands", "close_container", "container_items", "container_properties", "container_item", "item_cooldown", "plugin", "named_sound", "kick", "entity_status", "explosion", "unload_chunk", "game_event", "open_horse_container", "initialize_world_border", "heartbeat", "chunk", "world_event", "particle", "chunk_light", "initialize", "map", "villager_trades", "relative_move", "movement_rotation", "rotation", "move_vehicle", "book", "open_container", "sign_editor", "ping", "crafting_recipe", "player_abilities", "chat_message", "end_combat_event", "enter_combat_event", "kill_combat_event", "tab_list", "player_face", "position_rotation", "unlock_recipes", "entity_destroy", "entity_remove_effect", "resourcepack", "respawn", "head_rotation", "blocks", "advancement_tab", "server_data", "hotbar_text", "center_world_border", "interpolate_world_border", "size_world_border", "warn_time_world_border", "warn_blocks_world_border", "camera", "hotbar_slot", "chunk_center", "view_distance", "compass_position", "allow_preview", "objective_position", "entity_data", "entity_attach", "velocity", "entity_equipment", "experience", "health", "objective", "entity_passenger", "teams", "scoreboard_score", "simulation_distance", "subtitle", "time", "title_text", "title_times", "entity_sound", "sound_event", "stop_sound", "game_message", "tab_list_text", "nbt_response", "entity_collect", "teleport", "advancements", "entity_attributes", "entity_effect", "recipes", "tags"
+      ]
+    }
+  },
   "840": {
     "name": "22w19a",
     "protocol_id": 1073741908,