First network test

src/main/java/ru/bclib/api/dataexchange/DataExchangeAPI.java

@@ -0,0 +1,69 @@
+package ru.bclib.api.dataexchange;
+
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents;
+import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
+
+public class DataExchangeAPI {
+	private static DataExchangeAPI instance;
+	private final ConnectorServerside server;
+	private final ConnectorClientside client;
+	
+	public static DataExchangeAPI getInstance(){
+		return instance;
+	}
+	
+	private static DataExchangeAPI getOrCreateInstance(boolean isClient){
+		if (instance==null){
+			instance = new DataExchangeAPI(isClient);
+		}
+		return instance;
+	}
+	
+	private DataExchangeAPI(boolean isClient){
+		if (isClient){
+			client = new ConnectorClientside(this);
+			server = null;
+			
+			ClientPlayConnectionEvents.INIT.register(client::onPlayInit);
+			ClientPlayConnectionEvents.JOIN.register(client::onPlayReady);
+			ClientPlayConnectionEvents.DISCONNECT.register(client::onPlayDisconnect);
+		} else {
+			client = null;
+			server = new ConnectorServerside(this);
+			
+			ServerPlayConnectionEvents.INIT.register(server::onPlayInit);
+			ServerPlayConnectionEvents.JOIN.register(server::onPlayReady);
+			ServerPlayConnectionEvents.DISCONNECT.register(server::onPlayDisconnect);
+		}
+	}
+	
+	
+	@Environment(EnvType.CLIENT)
+	public static void registerClientsideHandler(DataHandlerDescriptor desc){
+		DataExchangeAPI api = DataExchangeAPI.getOrCreateInstance(true);
+		if (api.client == null){
+			throw new RuntimeException("[Internal Error] DataExchangeAPI was already created as a Server");
+		}
+		api.client.addDescriptor(desc);
+	}
+	
+	@Environment(EnvType.SERVER)
+	public static void registerServersideHandler(DataHandlerDescriptor desc){
+		DataExchangeAPI api = DataExchangeAPI.getOrCreateInstance(false);
+		if (api.server == null){
+			throw new RuntimeException("[Internal Error] DataExchangeAPI was already created as a Client");
+		}
+		api.server.addDescriptor(desc);
+	}
+	
+	public static void send(DataHandler h){
+		if (h.getOriginatesOnServer()){
+			DataExchangeAPI.getInstance().server.sendToClient(h);
+		} else {
+			DataExchangeAPI.getInstance().client.sendToServer(h);
+		}
+	}
+	
+}