Implement dungeon entry

src/main/java/emu/grasscutter/game/dungeons/DungeonManager.java

@@ -1,6 +1,18 @@
 package emu.grasscutter.game.dungeons;
 
+import emu.grasscutter.GameConstants;
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.custom.ScenePointEntry;
+import emu.grasscutter.data.def.DungeonData;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.props.SceneType;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
 import emu.grasscutter.server.game.GameServer;
+import emu.grasscutter.server.packet.send.PacketDungeonEntryInfoRsp;
+import emu.grasscutter.server.packet.send.PacketPlayerEnterDungeonRsp;
+import emu.grasscutter.utils.Position;
 
 public class DungeonManager {
 	private final GameServer server;
@@ -12,4 +24,55 @@ public class DungeonManager {
 	public GameServer getServer() {
 		return server;
 	}
+
+	public void getEntryInfo(Player player, int pointId) {
+		ScenePointEntry entry = GameData.getScenePointEntryById(player.getScene().getId(), pointId);
+		
+		if (entry == null || entry.getPointData().getDungeonIds() == null) {
+			// Error
+			player.sendPacket(new PacketDungeonEntryInfoRsp());
+			return;
+		}
+		
+		player.sendPacket(new PacketDungeonEntryInfoRsp(player, entry.getPointData()));
+	}
+
+	public void enterDungeon(Player player, int pointId, int dungeonId) {
+		DungeonData data = GameData.getDungeonDataMap().get(dungeonId);
+		
+		if (data == null) {
+			return;
+		}
+		
+		int sceneId = data.getSceneId();
+		
+		player.getWorld().transferPlayerToScene(player, sceneId, data);
+		
+		player.sendPacket(new PacketPlayerEnterDungeonRsp(pointId, dungeonId));
+	}
+	
+	public void exitDungeon(Player player) {
+		if (player.getScene().getSceneType() != SceneType.SCENE_DUNGEON) {
+			return;
+		}
+		
+		// Get previous scene
+		int prevScene = player.getScene().getPrevScene() > 0 ? player.getScene().getPrevScene() : 3;
+		
+		// Get previous position
+		DungeonData dungeonData = player.getScene().getDungeonData();
+		Position prevPos = new Position(GameConstants.START_POSITION);
+		
+		if (dungeonData != null) {
+			ScenePointEntry entry = GameData.getScenePointEntryById(prevScene, dungeonData.getId());
+			
+			if (entry != null) {
+				prevPos.set(entry.getPointData().getTranPos());
+			}
+		}
+
+		// Transfer player back to world
+		player.getWorld().transferPlayerToScene(player, prevScene, prevPos);
+		player.sendPacket(new BasePacket(PacketOpcodes.PlayerQuitDungeonRsp));
+	}
 }