Restructure "net" packages

src/main/java/net/packet/logging/MapleLogger.java

@@ -0,0 +1,72 @@
+/*
+ This file is part of the OdinMS Maple Story Server
+ Copyright (C) 2008 ~ 2010 Patrick Huy <patrick.huy@frz.cc>
+ Matthias Butz <matze@odinms.de>
+ Jan Christian Meyer <vimes@odinms.de>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License version 3
+ as published by the Free Software Foundation. You may not use, modify
+ or distribute this program under any other version of the
+ GNU Affero General Public License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package net.packet.logging;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+import net.opcodes.RecvOpcode;
+import client.MapleCharacter;
+import client.MapleClient;
+import tools.FilePrinter;
+import tools.HexTool;
+
+/**
+ * Logs packets to console and file.
+ *
+ * @author Alan (SharpAceX)
+ */
+
+public class MapleLogger {
+    public static final Set<Integer> monitored = new HashSet<>();
+    public static final Set<Integer> ignored = new HashSet<>();
+
+    public static void logRecv(MapleClient c, short packetId, byte[] packetContent) {
+        MapleCharacter chr = c.getPlayer();
+        if (chr == null) {
+            return;
+        }
+        if (!monitored.contains(chr.getId())) {
+            return;
+        }
+        RecvOpcode op = getOpcodeFromValue(packetId);
+        if (isRecvBlocked(op)) {
+            return;
+        }
+        String packet = op + "\r\n" + HexTool.toString(packetContent);
+        FilePrinter.printError(FilePrinter.PACKET_LOGS + c.getAccountName() + "-" + chr.getName() + ".txt", packet);
+    }
+
+    private static boolean isRecvBlocked(RecvOpcode op) {
+        return switch (op) {
+            case MOVE_PLAYER, GENERAL_CHAT, TAKE_DAMAGE, MOVE_PET, MOVE_LIFE, NPC_ACTION, FACE_EXPRESSION -> true;
+            default -> false;
+        };
+    }
+
+    private static RecvOpcode getOpcodeFromValue(int value) {
+        return Arrays.stream(RecvOpcode.values())
+                .filter(opcode -> value == opcode.getValue())
+                .findAny()
+                .orElse(null);
+    }
+}