Add EnterDungeonCmd, fix error when enter dungeon by changescene, import spawn cmd

src/main/java/emu/grasscutter/command/commands/EnterDungeonCommand.java

+package emu.grasscutter.command.commands;
+
+import emu.grasscutter.command.Command;
+import emu.grasscutter.command.CommandHandler;
+import emu.grasscutter.game.player.Player;
+
+import java.util.List;
+
+@Command(label = "enterdungeon", usage = "enterdungeon <dungeon id>",
+        description = "Enter a dungeon", aliases = {"dungeon"}, permission = "player.enterdungeon")
+public final class EnterDungeonCommand implements CommandHandler {
+    @Override
+    public void execute(Player sender, List<String> args) {
+        if (sender == null) {
+            CommandHandler.sendMessage(null, "Run this command in-game.");
+            return;
+        }
+
+        if (args.size() < 1) {
+            CommandHandler.sendMessage(sender, "Usage: enterdungeon <dungeon id>");
+            return;
+        }
+
+        try {
+            int dungeonId = Integer.parseInt(args.get(0));
+            
+            if (dungeonId == sender.getSceneId()) {
+            	CommandHandler.sendMessage(sender, "You are already in that dungeon");
+            	return;
+            }
+            
+            boolean result = sender.getServer().getDungeonManager().enterDungeon(sender.getSession().getPlayer(), 0, dungeonId);
+            CommandHandler.sendMessage(sender, "Changed to dungeon " + dungeonId);
+
+            if (!result) {
+                CommandHandler.sendMessage(sender, "Dungeon does not exist");
+            }
+        } catch (Exception e) {
+            CommandHandler.sendMessage(sender, "Usage: enterdungeon <dungeon id>");
+        }
+    }
+}

src/main/java/emu/grasscutter/command/commands/SpawnCommand.java

@@ -3,14 +3,22 @@ package emu.grasscutter.command.commands;
 import emu.grasscutter.command.Command;
 import emu.grasscutter.command.CommandHandler;
 import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.def.AvatarData;
+import emu.grasscutter.data.def.GadgetData;
+import emu.grasscutter.data.def.ItemData;
 import emu.grasscutter.data.def.MonsterData;
-import emu.grasscutter.game.entity.EntityMonster;
+import emu.grasscutter.game.avatar.Avatar;
+import emu.grasscutter.game.entity.*;
 import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.props.EntityType;
+import emu.grasscutter.game.props.FightProperty;
 import emu.grasscutter.utils.Position;
 
+import javax.swing.text.html.parser.Entity;
 import java.util.List;
+import java.util.Random;
 
-@Command(label = "spawn", usage = "spawn <entityId|entityName> [level] [amount]",
+@Command(label = "spawn", usage = "spawn <entityId> [amount] [level(monster only)]",
         description = "Spawns an entity near you", permission = "server.spawn")
 public final class SpawnCommand implements CommandHandler {
 
@@ -22,30 +30,65 @@ public final class SpawnCommand implements CommandHandler {
         }
 
         if (args.size() < 1) {
-            CommandHandler.sendMessage(sender, "Usage: spawn <entityId|entityName> [amount]");
+            CommandHandler.sendMessage(sender, "Usage: spawn <entityId> [amount] [level(monster only)]");
             return;
         }
 
         try {
-            int entity = Integer.parseInt(args.get(0));
-            int level = args.size() > 1 ? Integer.parseInt(args.get(1)) : 1;
-            int amount = args.size() > 2 ? Integer.parseInt(args.get(2)) : 1;
+            int id = Integer.parseInt(args.get(0));
+            int amount = args.size() > 1 ? Integer.parseInt(args.get(1)) : 1;
+            int level = args.size() > 2 ? Integer.parseInt(args.get(2)) : 1;
 
-            MonsterData entityData = GameData.getMonsterDataMap().get(entity);
-            if (entityData == null) {
+            MonsterData monsterData = GameData.getMonsterDataMap().get(id);
+            GadgetData gadgetData = GameData.getGadgetDataMap().get(id);
+            ItemData itemData = GameData.getItemDataMap().get(id);
+            if (monsterData == null && gadgetData == null && itemData == null) {
                 CommandHandler.sendMessage(sender, "Invalid entity id.");
                 return;
             }
 
-            float range = (5f + (.1f * amount));
+            double maxRadius = Math.sqrt(amount * 0.2 / Math.PI);
             for (int i = 0; i < amount; i++) {
-                Position pos = sender.getPos().clone().addX((float) (Math.random() * range) - (range / 2)).addY(3f).addZ((float) (Math.random() * range) - (range / 2));
-                EntityMonster monster = new EntityMonster(sender.getScene(), entityData, pos, level);
-                sender.getScene().addEntity(monster);
+                Position pos = GetRandomPositionInCircle(sender.getPos(), maxRadius).addY(3);
+                GameEntity entity = null;
+                if (itemData != null) {
+                    entity = new EntityItem(sender.getScene(), null, itemData, pos, 1, true);
                 }
-            CommandHandler.sendMessage(sender, String.format("Spawned %s of %s.", amount, entity));
+                if (gadgetData != null) {
+                    entity = new EntityVehicle(sender.getScene(), sender.getSession().getPlayer(), gadgetData.getId(), 0, pos, sender.getRotation());
+                    int gadgetId = gadgetData.getId();
+                    switch (gadgetId) {
+                        // TODO: Not hardcode this. Waverider (skiff)
+                        case 45001001, 45001002 -> {
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_BASE_HP, 10000);
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_BASE_ATTACK, 100);
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_CUR_ATTACK, 100);
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_CUR_HP, 10000);
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_CUR_DEFENSE, 0);
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_CUR_SPEED, 0);
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_CHARGE_EFFICIENCY, 0);
+                            entity.addFightProperty(FightProperty.FIGHT_PROP_MAX_HP, 10000);
+                        }
+                        default -> {}
+                    }
+                }
+                if (monsterData != null) {
+                    entity = new EntityMonster(sender.getScene(), monsterData, pos, level);
+                }
+
+                sender.getScene().addEntity(entity);
+            }
+            CommandHandler.sendMessage(sender, String.format("Spawned %s of %s.", amount, id));
         } catch (NumberFormatException ignored) {
-            CommandHandler.sendMessage(sender, "Invalid item or player ID.");
+            CommandHandler.sendMessage(sender, "Invalid entity ID.");
         }
     }
+
+    private Position GetRandomPositionInCircle(Position origin, double radius){
+        Position target = origin.clone();
+        double angle = Math.random() * 360;
+        double r = Math.sqrt(Math.random() * radius * radius);
+        target.addX((float) (r * Math.cos(angle))).addZ((float) (r * Math.sin(angle)));
+        return target;
+    }
 }

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

@@ -37,11 +37,11 @@ public class DungeonManager {
 		player.sendPacket(new PacketDungeonEntryInfoRsp(player, entry.getPointData()));
 	}
 
-	public void enterDungeon(Player player, int pointId, int dungeonId) {
+	public boolean enterDungeon(Player player, int pointId, int dungeonId) {
 		DungeonData data = GameData.getDungeonDataMap().get(dungeonId);
 		
 		if (data == null) {
-			return;
+			return false;
 		}
 		
 		Grasscutter.getLogger().info(player.getNickname() + " is trying to enter dungeon " + dungeonId);
@@ -53,6 +53,7 @@ public class DungeonManager {
 		
 		player.getScene().setPrevScenePoint(pointId);
 		player.sendPacket(new PacketPlayerEnterDungeonRsp(pointId, dungeonId));
+		return true;
 	}
 	
 	public void exitDungeon(Player player) {

src/main/java/emu/grasscutter/game/world/Scene.java

@@ -175,7 +175,7 @@ public class Scene {
 	}
 
 	public void setDungeonData(DungeonData dungeonData) {
-		if (this.dungeonData != null || this.getSceneType() != SceneType.SCENE_DUNGEON || dungeonData.getSceneId() != this.getId()) {
+		if (dungeonData == null || this.dungeonData != null || this.getSceneType() != SceneType.SCENE_DUNGEON || dungeonData.getSceneId() != this.getId()) {
 			return;
 		}
 		this.dungeonData = dungeonData;