Initial commit

src/main/java/emu/grasscutter/server/packet/recv/HandlerPlayerLoginReq.java

@@ -0,0 +1,52 @@
+package emu.grasscutter.server.packet.recv;
+
+import emu.grasscutter.database.DatabaseHelper;
+import emu.grasscutter.game.GenshinPlayer;
+import emu.grasscutter.net.packet.GenshinPacket;
+import emu.grasscutter.net.packet.Opcodes;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.PlayerLoginReqOuterClass.PlayerLoginReq;
+import emu.grasscutter.net.packet.PacketHandler;
+import emu.grasscutter.server.game.GameSession;
+import emu.grasscutter.server.game.GameSession.SessionState;
+import emu.grasscutter.server.packet.send.PacketPlayerLoginRsp;
+
+@Opcodes(PacketOpcodes.PlayerLoginReq) // Sends initial data packets
+public class HandlerPlayerLoginReq extends PacketHandler {
+	
+	@Override
+	public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
+		// Check
+		if (session.getAccount() == null) {
+			return;
+		}
+		
+		// Parse request
+		PlayerLoginReq req = PlayerLoginReq.parseFrom(payload);
+		
+		// Authenticate session
+		if (!req.getToken().equals(session.getAccount().getToken())) {
+			return;
+		}
+		
+		// Load character from db
+		GenshinPlayer player = DatabaseHelper.getPlayerById(session.getAccount().getPlayerId());
+		
+		if (player == null) {
+			// Send packets
+			session.setState(SessionState.PICKING_CHARACTER);
+			session.send(new GenshinPacket(PacketOpcodes.DoSetPlayerBornDataNotify));
+		} else {
+			// Set character
+			session.setPlayer(player);
+			
+			// Login done
+			session.getPlayer().onLogin();
+			session.setState(SessionState.ACTIVE);
+		}
+
+		// Final packet to tell client logging in is done
+		session.send(new PacketPlayerLoginRsp(session));
+	}
+
+}