Implement support for "Ping (play)" packet.

retrixe · Jun 6, 2023 · fcef88f · fcef88f
1 parent 7767ddf
commit fcef88f
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Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/src/minecraft/packets/ids.ts b/src/minecraft/packets/ids.ts
@@ -89,6 +89,13 @@ const packetIds = {
     [protocolMap['1.19.1'], 0x62],
     [protocolMap['1.19'], 0x5f]
   ]),
+  CLIENTBOUND_PING: generateIdFunction([
+    [protocolMap['1.19.4'], 0x32],
+    [protocolMap['1.19.3'], 0x2e],
+    [protocolMap['1.19.1'], 0x2f],
+    [protocolMap['1.19'], 0x2d],
+    [protocolMap['1.17'], 0x30]
+  ]),
 
   // Serverbound (play)
   SERVERBOUND_KEEP_ALIVE: generateIdFunction([
@@ -126,6 +133,13 @@ const packetIds = {
     [protocolMap['1.19.1'], 0x04],
     [protocolMap['1.19'], 0x03],
     [protocolMap['1.16.4'], null]
+  ]),
+  SERVERBOUND_PONG: generateIdFunction([
+    [protocolMap['1.19.4'], 0x20],
+    [protocolMap['1.19.3'], 0x1f],
+    [protocolMap['1.19.1'], 0x20],
+    [protocolMap['1.19'], 0x1f],
+    [protocolMap['1.17'], 0x1d]
   ])
 }
 

diff --git a/src/screens/chat/packetHandler.ts b/src/screens/chat/packetHandler.ts
@@ -13,6 +13,7 @@ import packetIds from '../../minecraft/packets/ids'
 
 export const enderChatPrefix = '\u00A74[\u00A7cEnderChat\u00A74] \u00A7c'
 export const parseMessageError = 'An error occurred when parsing chat.'
+export const unknownError = 'An unknown error occurred.'
 export const clientSettingsError =
   'An error occurred when sending client settings.'
 export const inventoryCloseError =
@@ -216,5 +217,9 @@ export const packetHandler =
         addMessage(info)
       } // LOW-TODO: Long-term it would be better to have a UI.
       healthRef.current = newHealth
+    } else if (packet.id === packetIds.CLIENTBOUND_PING(version)) {
+      connection // Pong (play)
+        .writePacket(packetIds.SERVERBOUND_PONG(version) ?? 0, packet.data)
+        .catch(handleError(addMessage, unknownError))
     }
   }