Add version independent method for sending custom payload

src/main/java/com/moulberry/axiom/VersionHelper.java

@@ -0,0 +1,14 @@
+package com.moulberry.axiom;
+
+import com.moulberry.axiom.packet.CustomByteArrayPayload;
+import net.minecraft.network.protocol.common.ClientboundCustomPayloadPacket;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerPlayer;
+
+public class VersionHelper {
+
+    public static void sendCustomPayload(ServerPlayer serverPlayer, ResourceLocation id, byte[] data) {
+        serverPlayer.connection.send(new ClientboundCustomPayloadPacket(new CustomByteArrayPayload(id, data)));
+    }
+
+}

src/main/java/com/moulberry/axiom/blueprint/ServerBlueprintManager.java

@@ -1,10 +1,9 @@
 package com.moulberry.axiom.blueprint;
 
 import com.moulberry.axiom.AxiomPaper;
-import com.moulberry.axiom.packet.CustomByteArrayPayload;
+import com.moulberry.axiom.VersionHelper;
 import io.netty.buffer.Unpooled;
 import net.minecraft.network.FriendlyByteBuf;
-import net.minecraft.network.protocol.common.ClientboundCustomPayloadPacket;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.level.ServerPlayer;
 import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
@@ -55,9 +54,8 @@ public class ServerBlueprintManager {
                     buf.writeUtf("");
                     byte[] bytes = new byte[buf.writerIndex()];
                     buf.getBytes(0, bytes);
-                    var payload = new CustomByteArrayPayload(PACKET_BLUEPRINT_MANIFEST_IDENTIFIER, bytes);
                     for (ServerPlayer serverPlayer : sendTo) {
-                        serverPlayer.connection.send(new ClientboundCustomPayloadPacket(payload));
+                        VersionHelper.sendCustomPayload(serverPlayer, PACKET_BLUEPRINT_MANIFEST_IDENTIFIER, bytes);
                     }
 
                     // Continue
@@ -69,9 +67,8 @@ public class ServerBlueprintManager {
             buf.writeUtf("");
             byte[] bytes = new byte[buf.writerIndex()];
             buf.getBytes(0, bytes);
-            var payload = new CustomByteArrayPayload(PACKET_BLUEPRINT_MANIFEST_IDENTIFIER, bytes);
             for (ServerPlayer serverPlayer : sendTo) {
-                serverPlayer.connection.send(new ClientboundCustomPayloadPacket(payload));
+                VersionHelper.sendCustomPayload(serverPlayer, PACKET_BLUEPRINT_MANIFEST_IDENTIFIER, bytes);
             }
         }
     }

src/main/java/com/moulberry/axiom/packet/BlueprintRequestPacketListener.java

@@ -1,6 +1,7 @@
 package com.moulberry.axiom.packet;
 
 import com.moulberry.axiom.AxiomPaper;
+import com.moulberry.axiom.VersionHelper;
 import com.moulberry.axiom.blueprint.RawBlueprint;
 import com.moulberry.axiom.blueprint.ServerBlueprintManager;
 import com.moulberry.axiom.blueprint.ServerBlueprintRegistry;
@@ -54,8 +55,7 @@ public class BlueprintRequestPacketListener implements PluginMessageListener {
 
             byte[] bytes = new byte[buf.writerIndex()];
             buf.getBytes(0, bytes);
-            var payload = new CustomByteArrayPayload(RESPONSE_PACKET_IDENTIFIER, bytes);
+            VersionHelper.sendCustomPayload(((CraftPlayer)player).getHandle(), RESPONSE_PACKET_IDENTIFIER, bytes);
-            ((CraftPlayer)player).getHandle().connection.send(new ClientboundCustomPayloadPacket(payload));
         }
     }
 

src/main/java/com/moulberry/axiom/packet/RequestChunkDataPacketListener.java

@@ -2,6 +2,7 @@ package com.moulberry.axiom.packet;
 
 import com.moulberry.axiom.AxiomConstants;
 import com.moulberry.axiom.AxiomPaper;
+import com.moulberry.axiom.VersionHelper;
 import com.moulberry.axiom.buffer.CompressedBlockEntity;
 import com.moulberry.axiom.event.AxiomModifyWorldEvent;
 import com.moulberry.axiom.integration.plotsquared.PlotSquaredIntegration;