Add ChannelService to handle cc'ing

src/main/java/service/ChannelService.java

@@ -0,0 +1,79 @@
+package service;
+
+import client.Client;
+import client.inventory.InventoryType;
+import database.character.CharacterSaver;
+import net.server.Server;
+import server.maps.FieldLimit;
+import server.maps.MiniDungeonInfo;
+import tools.PacketCreator;
+
+import java.io.IOException;
+import java.net.InetAddress;
+
+public class ChannelService {
+    private final Server server = Server.getInstance();
+    private final CharacterSaver chrSaver;
+
+    public ChannelService(CharacterSaver characterSaver) {
+        this.chrSaver = characterSaver;
+    }
+
+    public void changeChannel(Client c, int channel) {
+        var chr = c.getPlayer();
+        if (chr.isBanned()) {
+            c.disconnect(false, false);
+            return;
+        }
+
+        if (!chr.isAlive() || FieldLimit.CANNOTMIGRATE.check(chr.getMap().getFieldLimit())) {
+            c.sendPacket(PacketCreator.enableActions());
+            return;
+        }
+
+        if (MiniDungeonInfo.isDungeonMap(chr.getMapId())) {
+            c.sendPacket(PacketCreator.serverNotice(5, "Changing channels or entering Cash Shop or MTS are disabled when inside a Mini-Dungeon."));
+            c.sendPacket(PacketCreator.enableActions());
+            return;
+        }
+
+        String[] socket = Server.getInstance().getInetSocket(c, c.getWorld(), channel);
+        if (socket == null) {
+            c.sendPacket(PacketCreator.serverNotice(1, "Channel " + channel + " is currently disabled. Try another channel."));
+            c.sendPacket(PacketCreator.enableActions());
+            return;
+        }
+
+        chr.closePlayerInteractions();
+        chr.closePartySearchInteractions();
+
+        chr.unregisterChairBuff();
+        server.getPlayerBuffStorage().addBuffsToStorage(chr.getId(), chr.getAllBuffs());
+        server.getPlayerBuffStorage().addDiseasesToStorage(chr.getId(), chr.getAllDiseases());
+        chr.setDisconnectedFromChannelWorld();
+        chr.notifyMapTransferToPartner(-1);
+        chr.removeIncomingInvites();
+        chr.cancelAllBuffs(true);
+        chr.cancelAllDebuffs();
+        chr.cancelBuffExpireTask();
+        chr.cancelDiseaseExpireTask();
+        chr.cancelSkillCooldownTask();
+        chr.cancelQuestExpirationTask();
+        //Cancelling magicdoor? Nope
+        //Cancelling mounts? Noty
+
+        chr.getInventory(InventoryType.EQUIPPED).checked(false); //test
+        chr.getMap().removePlayer(chr);
+        chr.clearBanishPlayerData();
+        c.getChannelServer().removePlayer(chr);
+
+        chrSaver.save(chr);
+
+        chr.setSessionTransitionState();
+        try {
+            c.sendPacket(PacketCreator.getChannelChange(InetAddress.getByName(socket[0]), Integer.parseInt(socket[1])));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}