Add server client remote channel checks.

build.gradle

@@ -67,7 +67,7 @@ repositories {
 dependencies {
     compile "org.spongepowered:spongeapi:$spongeVersion"
     compile 'com.flowpowered:flow-math:1.0.2'
-    compile 'org.mapdb:mapdb:3.0.0'
+    compile 'org.mapdb:mapdb:3.0.1'
     //testCompile group: 'junit', name: 'junit', version: '4.11'
 }
 

src/main/java/net/foxdenstudio/sponge/foxcore/mod/FCClientNetworkManager.java

@@ -33,6 +33,7 @@
 import io.netty.channel.ChannelInboundHandlerAdapter;
 import net.foxdenstudio.sponge.foxcore.common.network.IClientPacket;
 import net.foxdenstudio.sponge.foxcore.common.network.IServerPacketListener;
+import net.foxdenstudio.sponge.foxcore.plugin.FCServerNetworkManager;
 import net.minecraft.network.PacketBuffer;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
 import net.minecraftforge.fml.common.network.FMLEmbeddedChannel;
@@ -163,6 +164,10 @@ public void sendDebug() {
             fmlEmbeddedChannel.attr(FMLOutboundHandler.FML_MESSAGETARGET).set(FMLOutboundHandler.OutboundTarget.TOSERVER);
             fmlEmbeddedChannel.writeAndFlush(new FMLProxyPacket(new PacketBuffer(byteBuf), "fox")).addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE);
         }
+
+        public boolean hasServerChannel() {
+            return FCClientNetworkManager.this.serverChannelMapping.values().contains(this.name);
+        }
     }
 
     /**

src/main/java/net/foxdenstudio/sponge/foxcore/plugin/FCServerNetworkManager.java

@@ -194,6 +194,11 @@ public void sendDebug(Player player) {
             }
         }
 
+        public boolean hasClientChannel(Player player) {
+            PlayerConfig config = FCServerNetworkManager.this.playerConfigs.get(player);
+            return config != null && config.clientChannelMapping.values().contains(this.name);
+        }
+
     }
 
     public class PlayerConfig {