Merge pull request #355 from Grasscutters/dungeon-scripts

Implemented Dungeon Support

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

@@ -3,9 +3,11 @@ package emu.grasscutter.game.world;
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.GameDepot;
+import emu.grasscutter.data.def.DungeonData;
 import emu.grasscutter.data.def.MonsterData;
 import emu.grasscutter.data.def.SceneData;
 import emu.grasscutter.data.def.WorldLevelData;
+import emu.grasscutter.game.dungeons.DungeonChallenge;
 import emu.grasscutter.game.entity.*;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.player.TeamInfo;
@@ -17,6 +19,13 @@ import emu.grasscutter.game.world.SpawnDataEntry.SpawnGroupEntry;
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.proto.AttackResultOuterClass.AttackResult;
 import emu.grasscutter.net.proto.VisionTypeOuterClass.VisionType;
+import emu.grasscutter.scripts.SceneScriptManager;
+import emu.grasscutter.scripts.constants.EventType;
+import emu.grasscutter.scripts.data.SceneBlock;
+import emu.grasscutter.scripts.data.SceneGadget;
+import emu.grasscutter.scripts.data.SceneGroup;
+import emu.grasscutter.scripts.data.ScriptArgs;
+import emu.grasscutter.server.packet.send.PacketDungeonChallengeFinishNotify;
 import emu.grasscutter.server.packet.send.PacketEntityFightPropUpdateNotify;
 import emu.grasscutter.server.packet.send.PacketLifeStateChangeNotify;
 import emu.grasscutter.server.packet.send.PacketSceneEntityAppearNotify;
@@ -36,12 +45,19 @@ public class Scene {
 	
 	private final Set<SpawnDataEntry> spawnedEntities;
 	private final Set<SpawnDataEntry> deadSpawnedEntities;
+	private final Set<SceneBlock> loadedBlocks;
 	private boolean dontDestroyWhenEmpty;
 	
 	private int time;
 	private ClimateType climate;
 	private int weather;
-
+	
+	private SceneScriptManager scriptManager;
+	private DungeonChallenge challenge;
+	private DungeonData dungeonData;
+	private int prevScene; // Id of the previous scene
+	private int prevScenePoint;
+	
 	public Scene(World world, SceneData sceneData) {
 		this.world = world;
 		this.sceneData = sceneData;
@@ -50,9 +66,12 @@ public class Scene {
 
 		this.time = 8 * 60;
 		this.climate = ClimateType.CLIMATE_SUNNY;
+		this.prevScene = 3;
 		
 		this.spawnedEntities = new HashSet<>();
 		this.deadSpawnedEntities = new HashSet<>();
+		this.loadedBlocks = new HashSet<>();
+		this.scriptManager = new SceneScriptManager(this);
 	}
 	
 	public int getId() {
@@ -111,6 +130,22 @@ public class Scene {
 		this.weather = weather;
 	}
 
+	public int getPrevScene() {
+		return prevScene;
+	}
+
+	public void setPrevScene(int prevScene) {
+		this.prevScene = prevScene;
+	}
+
+	public int getPrevScenePoint() {
+		return prevScenePoint;
+	}
+
+	public void setPrevScenePoint(int prevPoint) {
+		this.prevScenePoint = prevPoint;
+	}
+
 	public boolean dontDestroyWhenEmpty() {
 		return dontDestroyWhenEmpty;
 	}
@@ -119,6 +154,10 @@ public class Scene {
 		this.dontDestroyWhenEmpty = dontDestroyWhenEmpty;
 	}
 
+	public Set<SceneBlock> getLoadedBlocks() {
+		return loadedBlocks;
+	}
+
 	public Set<SpawnDataEntry> getSpawnedEntities() {
 		return spawnedEntities;
 	}
@@ -127,6 +166,29 @@ public class Scene {
 		return deadSpawnedEntities;
 	}
 
+	public SceneScriptManager getScriptManager() {
+		return scriptManager;
+	}
+
+	public DungeonData getDungeonData() {
+		return dungeonData;
+	}
+
+	public void setDungeonData(DungeonData dungeonData) {
+		if (this.dungeonData != null || this.getSceneType() != SceneType.SCENE_DUNGEON || dungeonData.getSceneId() != this.getId()) {
+			return;
+		}
+		this.dungeonData = dungeonData;
+	}
+
+	public DungeonChallenge getChallenge() {
+		return challenge;
+	}
+
+	public void setChallenge(DungeonChallenge challenge) {
+		this.challenge = challenge;
+	}
+
 	public boolean isInScene(GameEntity entity) {
 		return this.entities.containsKey(entity.getId());
 	}
@@ -151,6 +213,11 @@ public class Scene {
 	}
 	
 	public synchronized void removePlayer(Player player) {
+		// Remove from challenge if leaving
+		if (this.getChallenge() != null && this.getChallenge().inProgress()) {
+			player.sendPacket(new PacketDungeonChallengeFinishNotify(this.getChallenge()));
+		}
+		
 		// Remove player from scene
 		getPlayers().remove(player);
 		player.setScene(null);
@@ -159,12 +226,12 @@ public class Scene {
 		this.removePlayerAvatars(player);
 		
 		// Remove player gadgets
-		for (EntityGadget gadget : player.getTeamManager().getGadgets()) {
+		for (EntityBaseGadget gadget : player.getTeamManager().getGadgets()) {
 			this.removeEntity(gadget);
 		}
 		
 		// Deregister scene if not in use
-		if (this.getEntities().size() <= 0 && !this.dontDestroyWhenEmpty()) {
+		if (this.getPlayerCount() <= 0 && !this.dontDestroyWhenEmpty()) {
 			this.getWorld().deregisterScene(this);
 		}
 	}
@@ -279,6 +346,11 @@ public class Scene {
 			}
 		}
 		
+		// Sanity check
+		if (target.getFightProperties() == null) {
+			return;
+		}
+		
 		// Lose hp
 		target.addFightProperty(FightProperty.FIGHT_PROP_CUR_HP, -result.getDamage());
 		
@@ -314,7 +386,15 @@ public class Scene {
 	}
 	
 	public void onTick() {
-		this.checkSpawns();
+		if (this.getScriptManager().isInit()) {
+			this.checkBlocks();
+		} else {
+			// TEMPORARY
+			this.checkSpawns();
+		}
+		
+		// Triggers
+		this.getScriptManager().onTick();
 	}
 	
 	// TODO - Test
@@ -387,6 +467,68 @@ public class Scene {
 		}
 	}
 	
+	public void checkBlocks() {
+		Set<SceneBlock> visible = new HashSet<>();
+		
+		for (Player player : this.getPlayers()) {
+			for (SceneBlock block : getScriptManager().getBlocks()) {
+				if (!block.contains(player.getPos())) {
+					continue;
+				}
+				
+				visible.add(block);
+			}
+		}
+		
+		Iterator<SceneBlock> it = this.getLoadedBlocks().iterator();
+		while (it.hasNext()) {
+			SceneBlock block = it.next();
+			
+			if (!visible.contains(block)) {
+				it.remove();
+				
+				onUnloadBlock(block);
+			}
+		}
+		
+		for (SceneBlock block : visible) {
+			if (!this.getLoadedBlocks().contains(block)) {
+				this.onLoadBlock(block);
+				this.getLoadedBlocks().add(block);
+			}
+		}
+	}
+	
+	// TODO optimize
+	public void onLoadBlock(SceneBlock block) {
+		for (SceneGroup group : block.groups) {
+			// We load the script files for the groups here
+			if (!group.isLoaded()) {
+				this.getScriptManager().loadGroupFromScript(group);
+			}
+			
+			group.triggers.forEach(getScriptManager()::registerTrigger);
+		}
+		
+		// Spawn gadgets AFTER triggers are added
+		for (SceneGroup group : block.groups) {
+			this.getScriptManager().spawnGadgetsInGroup(group);
+		}
+	}
+	
+	public void onUnloadBlock(SceneBlock block) {
+		List<GameEntity> toRemove = this.getEntities().values().stream().filter(e -> e.getBlockId() == block.id).toList();
+
+		if (toRemove.size() > 0) {
+			toRemove.stream().forEach(this::removeEntityDirectly);
+			this.broadcastPacket(new PacketSceneEntityDisappearNotify(toRemove, VisionType.VISION_REMOVE));
+		}
+		
+		for (SceneGroup group : block.groups) {
+			group.triggers.forEach(getScriptManager()::deregisterTrigger);
+		}
+	}
+	
 	// Gadgets
 	
 	public void onPlayerCreateGadget(EntityClientGadget gadget) {

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

@@ -17,14 +17,16 @@ import emu.grasscutter.game.props.EntityIdType;
 import emu.grasscutter.game.props.FightProperty;
 import emu.grasscutter.game.props.LifeState;
 import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.def.DungeonData;
 import emu.grasscutter.data.def.SceneData;
 import emu.grasscutter.game.entity.EntityAvatar;
 import emu.grasscutter.game.entity.EntityClientGadget;
-import emu.grasscutter.game.entity.EntityGadget;
+import emu.grasscutter.game.entity.EntityBaseGadget;
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.proto.AttackResultOuterClass.AttackResult;
 import emu.grasscutter.net.proto.EnterTypeOuterClass.EnterType;
 import emu.grasscutter.net.proto.VisionTypeOuterClass.VisionType;
+import emu.grasscutter.scripts.data.SceneConfig;
 import emu.grasscutter.server.packet.send.PacketDelTeamEntityNotify;
 import emu.grasscutter.server.packet.send.PacketEntityFightPropUpdateNotify;
 import emu.grasscutter.server.packet.send.PacketLifeStateChangeNotify;
@@ -212,6 +214,14 @@ public class World implements Iterable<Player> {
 	}
 	
 	public boolean transferPlayerToScene(Player player, int sceneId, Position pos) {
+		return transferPlayerToScene(player, sceneId, null, pos);
+	}
+	
+	public boolean transferPlayerToScene(Player player, int sceneId, DungeonData data) {
+		return transferPlayerToScene(player, sceneId, data, null);
+	}
+	
+	public boolean transferPlayerToScene(Player player, int sceneId, DungeonData dungeonData, Position pos) {
 		if (GameData.getSceneDataMap().get(sceneId) == null) {
 			return false;
 		}
@@ -224,25 +234,51 @@ public class World implements Iterable<Player> {
 			// Dont deregister scenes if the player is going to tp back into them
 			if (oldScene.getId() == sceneId) {
 				oldScene.setDontDestroyWhenEmpty(true);
-			}
+			} 
 
 			oldScene.removePlayer(player);
 		}
 		
 		Scene newScene = this.getSceneById(sceneId);
+		newScene.setDungeonData(dungeonData);
 		newScene.addPlayer(player);
-		player.getPos().set(pos);
 		
+		// Dungeon
+		SceneConfig config = newScene.getScriptManager().getConfig();
+		if (pos == null && config != null) {
+			if (config.born_pos != null) {
+				pos = newScene.getScriptManager().getConfig().born_pos;
+			} 
+			if (config.born_rot != null) {
+				player.getRotation().set(config.born_rot);
+			}
+		}
+		
+		// Set player position
+		if (pos == null) {
+			pos = player.getPos();
+		}
+		
+		player.getPos().set(pos);
+
 		if (oldScene != null) {
+			newScene.setPrevScene(oldScene.getId());
 			oldScene.setDontDestroyWhenEmpty(false);
 		}
 
-		// Teleport packet
-		if (oldScene == newScene) {
-			player.sendPacket(new PacketPlayerEnterSceneNotify(player, EnterType.ENTER_GOTO, EnterReason.TransPoint, sceneId, pos));
-		} else {
-			player.sendPacket(new PacketPlayerEnterSceneNotify(player, EnterType.ENTER_JUMP, EnterReason.TransPoint, sceneId, pos));
+		// Get enter types
+		EnterType enterType = EnterType.ENTER_JUMP;
+		EnterReason enterReason = EnterReason.TransPoint;
+		
+		if (dungeonData != null) {
+			enterType = EnterType.ENTER_DUNGEON;
+			enterReason = EnterReason.DungeonEnter;
+		} else if (oldScene == newScene) {
+			enterType = EnterType.ENTER_GOTO;
 		}
+		
+		// Teleport packet
+		player.sendPacket(new PacketPlayerEnterSceneNotify(player, enterType, enterReason, sceneId, pos));
 		return true;
 	}
 	

src/main/java/emu/grasscutter/scripts/SceneScriptManager.java

+package emu.grasscutter.scripts;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import javax.script.Bindings;
+import javax.script.CompiledScript;
+import javax.script.ScriptException;
+
+import org.luaj.vm2.LuaTable;
+import org.luaj.vm2.LuaValue;
+import org.luaj.vm2.lib.jse.CoerceJavaToLua;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.def.MonsterData;
+import emu.grasscutter.data.def.WorldLevelData;
+import emu.grasscutter.game.entity.EntityGadget;
+import emu.grasscutter.game.entity.EntityMonster;
+import emu.grasscutter.game.entity.GameEntity;
+import emu.grasscutter.game.world.Scene;
+import emu.grasscutter.scripts.constants.EventType;
+import emu.grasscutter.scripts.constants.ScriptGadgetState;
+import emu.grasscutter.scripts.constants.ScriptRegionShape;
+import emu.grasscutter.scripts.data.SceneBlock;
+import emu.grasscutter.scripts.data.SceneConfig;
+import emu.grasscutter.scripts.data.SceneGadget;
+import emu.grasscutter.scripts.data.SceneGroup;
+import emu.grasscutter.scripts.data.SceneInitConfig;
+import emu.grasscutter.scripts.data.SceneMonster;
+import emu.grasscutter.scripts.data.SceneSuite;
+import emu.grasscutter.scripts.data.SceneTrigger;
+import emu.grasscutter.scripts.data.SceneVar;
+import emu.grasscutter.scripts.data.ScriptArgs;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+
+public class SceneScriptManager {
+	private final Scene scene;
+	private final ScriptLib scriptLib;
+	private final LuaValue scriptLibLua;
+	private final Map<String, Integer> variables;
+	
+	private Bindings bindings;
+	private SceneConfig config;
+	private List<SceneBlock> blocks;
+	private Int2ObjectOpenHashMap<Set<SceneTrigger>> triggers;
+	private boolean isInit;
+	
+	public SceneScriptManager(Scene scene) {
+		this.scene = scene;
+		this.scriptLib = new ScriptLib(this);
+		this.scriptLibLua = CoerceJavaToLua.coerce(this.scriptLib);
+		this.triggers = new Int2ObjectOpenHashMap<>();
+		this.variables = new HashMap<>();
+		
+		// TEMPORARY
+		if (this.getScene().getId() < 10) {
+			return;
+		}
+		
+		// Create
+		this.init();
+	}
+	
+	public Scene getScene() {
+		return scene;
+	}
+
+	public ScriptLib getScriptLib() {
+		return scriptLib;
+	}
+	
+	public LuaValue getScriptLibLua() {
+		return scriptLibLua;
+	}
+
+	public Bindings getBindings() {
+		return bindings;
+	}
+
+	public SceneConfig getConfig() {
+		return config;
+	}
+
+	public List<SceneBlock> getBlocks() {
+		return blocks;
+	}
+
+	public Map<String, Integer> getVariables() {
+		return variables;
+	}
+
+	public Set<SceneTrigger> getTriggersByEvent(int eventId) {
+		return triggers.computeIfAbsent(eventId, e -> new HashSet<>());
+	}
+	
+	public void registerTrigger(SceneTrigger trigger) {
+		getTriggersByEvent(trigger.event).add(trigger);
+	}
+	
+	public void deregisterTrigger(SceneTrigger trigger) {
+		getTriggersByEvent(trigger.event).remove(trigger);
+	}
+	
+	// TODO optimize
+	public SceneGroup getGroupById(int groupId) {
+		for (SceneBlock block : this.getScene().getLoadedBlocks()) {
+			for (SceneGroup group : block.groups) {
+				if (group.id == groupId) {
+					return group;
+				}
+			}
+		}
+		return null;
+	}
+
+	private void init() {
+		// Get compiled script if cached
+		CompiledScript cs = ScriptLoader.getScriptByPath(
+			Grasscutter.getConfig().SCRIPTS_FOLDER + "Scene/" + getScene().getId() + "/scene" + getScene().getId() + "." + ScriptLoader.getScriptType());
+		
+		if (cs == null) {
+			Grasscutter.getLogger().warn("No script found for scene " + getScene().getId());
+			return;
+		}
+		
+		// Create bindings
+		bindings = ScriptLoader.getEngine().createBindings();
+		
+		// Set variables
+		bindings.put("EventType", new EventType()); // TODO - make static class to avoid instantiating a new class every scene
+		bindings.put("GadgetState", new ScriptGadgetState());
+		bindings.put("RegionShape", new ScriptRegionShape());
+		bindings.put("ScriptLib", getScriptLib());
+		
+		// Eval script
+		try {
+			cs.eval(getBindings());
+			
+			this.config = ScriptLoader.getSerializer().toObject(SceneConfig.class, bindings.get("scene_config"));
+			
+			// TODO optimize later
+			// Create blocks
+			List<Integer> blockIds = ScriptLoader.getSerializer().toList(Integer.class, bindings.get("blocks"));
+			List<SceneBlock> blocks = ScriptLoader.getSerializer().toList(SceneBlock.class, bindings.get("block_rects"));
+			
+			for (int i = 0; i < blocks.size(); i++) {
+				SceneBlock block = blocks.get(0);
+				block.id = blockIds.get(i);
+				
+				loadBlockFromScript(block);
+			}
+			
+			this.blocks = blocks;
+		} catch (ScriptException e) {
+			Grasscutter.getLogger().error("Error running script", e);
+			return;
+		}
+		
+		// TEMP
+		this.isInit = true;
+	}
+
+	public boolean isInit() {
+		return isInit;
+	}
+	
+	private void loadBlockFromScript(SceneBlock block) {
+		CompiledScript cs = ScriptLoader.getScriptByPath(
+			Grasscutter.getConfig().SCRIPTS_FOLDER + "Scene/" + getScene().getId() + "/scene" + getScene().getId() + "_block" + block.id + "." + ScriptLoader.getScriptType());
+	
+		if (cs == null) {
+			return;
+		}
+		
+		// Eval script
+		try {
+			cs.eval(getBindings());
+			
+			// Set groups
+			block.groups = ScriptLoader.getSerializer().toList(SceneGroup.class, bindings.get("groups"));
+			block.groups.forEach(g -> g.block_id = block.id);
+		} catch (ScriptException e) {
+			Grasscutter.getLogger().error("Error loading block " + block.id + " in scene " + getScene().getId(), e);
+		}
+	}
+	
+	public void loadGroupFromScript(SceneGroup group) {
+		// Set flag here so if there is no script, we dont call this function over and over again.
+		group.setLoaded(true);
+		
+		CompiledScript cs = ScriptLoader.getScriptByPath(
+			Grasscutter.getConfig().SCRIPTS_FOLDER + "Scene/" + getScene().getId() + "/scene" + getScene().getId() + "_group" + group.id + "." + ScriptLoader.getScriptType());
+	
+		if (cs == null) {
+			return;
+		}
+		
+		// Eval script
+		try {
+			cs.eval(getBindings());
+
+			// Set
+			group.monsters = ScriptLoader.getSerializer().toList(SceneMonster.class, bindings.get("monsters"));
+			group.gadgets = ScriptLoader.getSerializer().toList(SceneGadget.class, bindings.get("gadgets"));
+			group.triggers = ScriptLoader.getSerializer().toList(SceneTrigger.class, bindings.get("triggers"));
+			group.suites = ScriptLoader.getSerializer().toList(SceneSuite.class, bindings.get("suites"));
+			group.init_config = ScriptLoader.getSerializer().toObject(SceneInitConfig.class, bindings.get("init_config"));
+			
+			// Add variables to suite
+			List<SceneVar> variables = ScriptLoader.getSerializer().toList(SceneVar.class, bindings.get("variables"));
+			variables.forEach(var -> this.getVariables().put(var.name, var.value));
+			
+			// Add monsters to suite TODO optimize
+			HashMap<Integer, SceneMonster> map = (HashMap<Integer, SceneMonster>) group.monsters.stream().collect(Collectors.toMap(m -> m.config_id, m -> m));
+			
+			for (SceneSuite suite : group.suites) {
+				suite.sceneMonsters = new ArrayList<>(suite.monsters.size());
+				for (int id : suite.monsters) {
+					SceneMonster monster = map.get(id);
+					if (monster != null) {
+						suite.sceneMonsters.add(monster);
+					}
+				}
+			}
+		} catch (ScriptException e) {
+			Grasscutter.getLogger().error("Error loading group " + group.id + " in scene " + getScene().getId(), e);
+		}
+	}
+
+	public void onTick() {
+		checkTriggers();
+	}
+	
+	public void checkTriggers() {
+
+	}
+	
+	public void spawnGadgetsInGroup(SceneGroup group) {
+		for (SceneGadget g : group.gadgets) {
+			EntityGadget entity = new EntityGadget(getScene(), g.gadget_id, g.pos);
+			
+			if (entity.getGadgetData() == null) continue;
+			
+			entity.setBlockId(group.block_id);
+			entity.setConfigId(g.config_id);
+			entity.setGroupId(group.id);
+			entity.getRotation().set(g.rot);
+			entity.setState(g.state);
+			
+			getScene().addEntity(entity);
+			this.callEvent(EventType.EVENT_GADGET_CREATE, new ScriptArgs(entity.getConfigId()));
+		}
+	}
+	
+	public void spawnMonstersInGroup(SceneGroup group, int suiteIndex) {
+		spawnMonstersInGroup(group, group.getSuiteByIndex(suiteIndex));
+	}
+	
+	public void spawnMonstersInGroup(SceneGroup group) {
+		spawnMonstersInGroup(group, null);
+	}
+	
+	public void spawnMonstersInGroup(SceneGroup group, SceneSuite suite) {
+		List<SceneMonster> monsters = group.monsters;
+		
+		if (suite != null) {
+			monsters = suite.sceneMonsters;
+		}
+
+		List<GameEntity> toAdd = new ArrayList<>();
+		
+		for (SceneMonster monster : monsters) {
+			MonsterData data = GameData.getMonsterDataMap().get(monster.monster_id);
+			
+			if (data == null) {
+				continue;
+			}
+			
+			// Calculate level
+			int level = monster.level;
+			
+			if (getScene().getDungeonData() != null) {
+				level = getScene().getDungeonData().getShowLevel();
+			} else if (getScene().getWorld().getWorldLevel() > 0) {
+				WorldLevelData worldLevelData = GameData.getWorldLevelDataMap().get(getScene().getWorld().getWorldLevel());
+				
+				if (worldLevelData != null) {
+					level = worldLevelData.getMonsterLevel();
+				}
+			}
+			
+			// Spawn mob
+			EntityMonster entity = new EntityMonster(getScene(), data, monster.pos, level);
+			entity.getRotation().set(monster.rot);
+			entity.setGroupId(group.id);
+			entity.setConfigId(monster.config_id);
+			
+			toAdd.add(entity);
+		}
+		
+		if (toAdd.size() > 0) {
+			getScene().addEntities(toAdd);
+			
+			for (GameEntity entity : toAdd) {
+				callEvent(EventType.EVENT_ANY_MONSTER_LIVE, new ScriptArgs(entity.getConfigId()));
+			}
+		}
+	}
+	
+	// Events
+	
+	public void callEvent(int eventType, ScriptArgs params) {
+		for (SceneTrigger trigger : this.getTriggersByEvent(eventType)) {
+			LuaValue condition = null;
+			
+			if (trigger.condition != null && !trigger.condition.isEmpty()) {
+				condition = (LuaValue) this.getBindings().get(trigger.condition);
+			}
+			
+			LuaValue ret = LuaValue.TRUE;
+			
+			if (condition != null) {
+				LuaValue args = LuaValue.NIL;
+				
+				if (params != null) {
+					args = CoerceJavaToLua.coerce(params);
+				}
+				
+				ret = condition.call(this.getScriptLibLua(), args);
+			}
+			
+			if (ret.checkboolean() == true) {
+				LuaValue action = (LuaValue) this.getBindings().get(trigger.action);
+				action.call(this.getScriptLibLua(), LuaValue.NIL);
+			}
+		}
+	}
+}

src/main/java/emu/grasscutter/scripts/ScriptLib.java

+package emu.grasscutter.scripts;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import org.luaj.vm2.LuaTable;
+import org.luaj.vm2.LuaValue;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.def.MonsterData;
+import emu.grasscutter.game.dungeons.DungeonChallenge;
+import emu.grasscutter.game.entity.EntityGadget;
+import emu.grasscutter.game.entity.EntityMonster;
+import emu.grasscutter.game.entity.GameEntity;
+import emu.grasscutter.scripts.constants.EventType;
+import emu.grasscutter.scripts.data.SceneGroup;
+import emu.grasscutter.scripts.data.SceneMonster;
+import emu.grasscutter.scripts.data.ScriptArgs;
+import emu.grasscutter.server.packet.send.PacketGadgetStateNotify;
+import emu.grasscutter.server.packet.send.PacketWorktopOptionNotify;
+
+public class ScriptLib {
+	private final SceneScriptManager sceneScriptManager;
+	
+	public ScriptLib(SceneScriptManager sceneScriptManager) {
+		this.sceneScriptManager = sceneScriptManager;
+	}
+
+	public SceneScriptManager getSceneScriptManager() {
+		return sceneScriptManager;
+	}
+	
+	public int SetGadgetStateByConfigId(int configId, int gadgetState) {
+		Optional<GameEntity> entity = getSceneScriptManager().getScene().getEntities().values().stream()
+				.filter(e -> e.getConfigId() == configId).findFirst();
+
+		if (entity.isEmpty()) {
+			return 1;
+		}
+		
+		if (!(entity.get() instanceof EntityGadget)) {
+			return 1;
+		}
+		
+		EntityGadget gadget = (EntityGadget) entity.get();
+		gadget.setState(gadgetState);
+		
+		getSceneScriptManager().getScene().broadcastPacket(new PacketGadgetStateNotify(gadget, gadgetState));
+		return 0;
+	}
+
+	public int SetGroupGadgetStateByConfigId(int groupId, int configId, int gadgetState) {
+		List<GameEntity> list = getSceneScriptManager().getScene().getEntities().values().stream()
+												.filter(e -> e.getGroupId() == groupId).toList();
+		
+		for (GameEntity entity : list) {
+			if (!(entity instanceof EntityGadget)) {
+				continue;
+			}
+			
+			EntityGadget gadget = (EntityGadget) entity;
+			gadget.setState(gadgetState);
+			
+			getSceneScriptManager().getScene().broadcastPacket(new PacketGadgetStateNotify(gadget, gadgetState));
+		}
+		
+		return 0;
+	}
+	
+	public int SetWorktopOptionsByGroupId(int groupId, int configId, int[] options) {
+		Optional<GameEntity> entity = getSceneScriptManager().getScene().getEntities().values().stream()
+				.filter(e -> e.getConfigId() == configId && e.getGroupId() == groupId).findFirst();
+
+		if (entity.isEmpty()) {
+			return 1;
+		}
+		
+		if (!(entity.get() instanceof EntityGadget)) {
+			return 1;
+		}
+		
+		EntityGadget gadget = (EntityGadget) entity.get();
+		gadget.addWorktopOptions(options);
+
+		getSceneScriptManager().getScene().broadcastPacket(new PacketWorktopOptionNotify(gadget));
+		return 0;
+	}
+	
+	public int DelWorktopOptionByGroupId(int groupId, int configId, int option) {
+		Optional<GameEntity> entity = getSceneScriptManager().getScene().getEntities().values().stream()
+				.filter(e -> e.getConfigId() == configId && e.getGroupId() == groupId).findFirst();
+
+		if (entity.isEmpty()) {
+			return 1;
+		}
+		
+		if (!(entity.get() instanceof EntityGadget)) {
+			return 1;
+		}
+		
+		EntityGadget gadget = (EntityGadget) entity.get();
+		gadget.removeWorktopOption(option);
+		
+		getSceneScriptManager().getScene().broadcastPacket(new PacketWorktopOptionNotify(gadget));
+		return 0;
+	}
+	
+	// Some fields are guessed
+	public int AutoMonsterTide(int challengeIndex, int groupId, int[] config_ids, int param4, int param5, int param6) {
+		SceneGroup group = getSceneScriptManager().getGroupById(groupId);
+				
+		if (group == null || group.monsters == null) {
+			return 1;
+		}
+		
+		// TODO just spawn all from group for now
+		this.getSceneScriptManager().spawnMonstersInGroup(group);
+		
+		return 0;
+	}
+	
+	public int AddExtraGroupSuite(int groupId, int suite) {
+		SceneGroup group = getSceneScriptManager().getGroupById(groupId);
+		
+		if (group == null || group.monsters == null) {
+			return 1;
+		}
+		
+		// TODO just spawn all from group for now
+		this.getSceneScriptManager().spawnMonstersInGroup(group, suite);
+		
+		return 0;
+	}
+	
+	// param3 (probably time limit for timed dungeons)
+	public int ActiveChallenge(int challengeId, int challengeIndex, int param3, int groupId, int param4, int param5) {
+		SceneGroup group = getSceneScriptManager().getGroupById(groupId);
+		
+		if (group == null || group.monsters == null) {
+			return 1;
+		}
+		
+		DungeonChallenge challenge = new DungeonChallenge(getSceneScriptManager().getScene(), group);
+		challenge.setChallengeId(challengeId);
+		challenge.setChallengeIndex(challengeIndex);
+		
+		getSceneScriptManager().getScene().setChallenge(challenge);
+		
+		challenge.start();
+		return 0;
+	}
+	
+	public int GetGroupMonsterCountByGroupId(int groupId) {
+		return (int) getSceneScriptManager().getScene().getEntities().values().stream()
+								.filter(e -> e instanceof EntityMonster && e.getGroupId() == groupId)
+								.count();
+	}
+	
+	public int GetGroupVariableValue(String var) {
+		return getSceneScriptManager().getVariables().getOrDefault(var, 0);
+	}
+	
+	public LuaValue ChangeGroupVariableValue(String var, int value) {
+		getSceneScriptManager().getVariables().put(var, value);
+		return LuaValue.ZERO;
+	}
+	
+	public int RefreshGroup(LuaTable table) {
+		// Kill and Respawn?
+		int groupId = table.get("group_id").toint();
+		int suite = table.get("suite").toint();
+		
+		SceneGroup group = getSceneScriptManager().getGroupById(groupId);
+		
+		if (group == null || group.monsters == null) {
+			return 1;
+		}
+		
+		// TODO just spawn all from group for now
+		this.getSceneScriptManager().spawnMonstersInGroup(group, suite);
+		
+		return 0;
+	}
+	
+	public void PrintContextLog(String msg) {
+		Grasscutter.getLogger().info("[LUA] " + msg);
+	}
+}

src/main/java/emu/grasscutter/scripts/ScriptLoader.java

+package emu.grasscutter.scripts;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.script.Compilable;
+import javax.script.CompiledScript;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineFactory;
+import javax.script.ScriptEngineManager;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.scripts.serializer.LuaSerializer;
+import emu.grasscutter.scripts.serializer.Serializer;
+
+public class ScriptLoader {
+	private static ScriptEngineManager sm;
+	private static ScriptEngine engine;
+	private static ScriptEngineFactory factory;
+	private static String fileType;
+	private static Serializer serializer;
+	
+	private static Map<String, CompiledScript> scripts = new HashMap<>();
+	
+	public synchronized static void init() throws Exception {
+		if (sm != null) {
+			throw new Exception("Script loader already initialized");
+		}
+		
+		sm = new ScriptEngineManager();
+        engine = sm.getEngineByName("luaj");
+        factory = getEngine().getFactory();
+        fileType = "lua";
+        serializer = new LuaSerializer();
+	}
+	
+	public static ScriptEngine getEngine() {
+		return engine;
+	}
+	
+	public static String getScriptType() {
+		return fileType;
+	}
+
+	public static Serializer getSerializer() {
+		return serializer;
+	}
+
+	public static CompiledScript getScriptByPath(String path) {
+		CompiledScript sc = scripts.get(path);
+		
+		Grasscutter.getLogger().info("Loaded " + path);
+		
+		if (sc == null) {
+			File file = new File(path);
+			
+			if (!file.exists()) return null;
+			
+			try (FileReader fr = new FileReader(file)) {
+				sc = ((Compilable) getEngine()).compile(fr);
+				scripts.put(path, sc);
+			} catch (Exception e) {
+				//e.printStackTrace();
+				return null;
+			}
+		}
+		
+		return sc;
+	}
+}

src/main/java/emu/grasscutter/scripts/constants/EventType.java

+package emu.grasscutter.scripts.constants;
+
+public class EventType {
+	public static final int EVENT_NONE = 0;
+	public static final int EVENT_ANY_MONSTER_DIE = 1;
+	public static final int EVENT_ANY_GADGET_DIE = 2;
+	public static final int EVENT_VARIABLE_CHANGE = 3;
+	public static final int EVENT_ENTER_REGION = 4;
+	public static final int EVENT_LEAVE_REGION = 5;
+	public static final int EVENT_GADGET_CREATE = 6;
+	public static final int EVENT_GADGET_STATE_CHANGE = 7;
+	public static final int EVENT_DUNGEON_SETTLE = 8;
+	public static final int EVENT_SELECT_OPTION = 9;
+	public static final int EVENT_CLIENT_EXECUTE = 10;
+	public static final int EVENT_ANY_MONSTER_LIVE = 11;
+	public static final int EVENT_SPECIFIC_MONSTER_HP_CHANGE = 12;
+	public static final int EVENT_CITY_LEVELUP_UNLOCK_DUNGEON_ENTRY = 13;
+	public static final int EVENT_DUNGEON_BROADCAST_ONTIMER = 14;
+	public static final int EVENT_TIMER_EVENT = 15;
+	public static final int EVENT_CHALLENGE_SUCCESS = 16;
+	public static final int EVENT_CHALLENGE_FAIL = 17;
+	public static final int EVENT_SEAL_BATTLE_BEGIN = 18;
+	public static final int EVENT_SEAL_BATTLE_END = 19;
+	public static final int EVENT_GATHER = 20;
+	public static final int EVENT_QUEST_FINISH = 21;
+	public static final int EVENT_MONSTER_BATTLE = 22;
+	public static final int EVENT_CITY_LEVELUP = 23;
+	public static final int EVENT_CUTSCENE_END = 24;
+	public static final int EVENT_AVATAR_NEAR_PLATFORM = 25;
+	public static final int EVENT_PLATFORM_REACH_POINT = 26;
+	public static final int EVENT_UNLOCK_TRANS_POINT = 27;
+	public static final int EVENT_QUEST_START = 28;
+	public static final int EVENT_GROUP_LOAD = 29;
+	public static final int EVENT_GROUP_WILL_UNLOAD = 30;
+	public static final int EVENT_GROUP_WILL_REFRESH = 31;
+	public static final int EVENT_GROUP_REFRESH = 32;
+	public static final int EVENT_DUNGEON_REWARD_GET = 33;
+	public static final int EVENT_SPECIFIC_GADGET_HP_CHANGE = 34;
+	public static final int EVENT_MONSTER_TIDE_OVER = 35;
+	public static final int EVENT_MONSTER_TIDE_CREATE = 36;
+	public static final int EVENT_MONSTER_TIDE_DIE = 37;
+	public static final int EVENT_SEALAMP_PHASE_CHANGE = 38;
+	public static final int EVENT_BLOSSOM_PROGRESS_FINISH = 39;
+	public static final int EVENT_BLOSSOM_CHEST_DIE = 40;
+	public static final int EVENT_GADGET_PLAY_START = 41;
+	public static final int EVENT_GADGET_PLAY_START_CD = 42;
+	public static final int EVENT_GADGET_PLAY_STOP = 43;
+	public static final int EVENT_GADGET_LUA_NOTIFY = 44;
+	public static final int EVENT_MP_PLAY_PREPARE = 45;
+	public static final int EVENT_MP_PLAY_BATTLE = 46;
+	public static final int EVENT_MP_PLAY_PREPARE_INTERRUPT = 47;
+	public static final int EVENT_SELECT_DIFFICULTY = 48;
+	public static final int EVENT_SCENE_MP_PLAY_BATTLE_STATE = 49;
+	public static final int EVENT_SCENE_MP_PLAY_BATTLE_STAGE_CHANGE = 50;
+	public static final int EVENT_SCENE_MP_PLAY_BATTLE_RESULT = 51;
+	public static final int EVENT_SEAL_BATTLE_PROGRESS_DECREASE = 52;
+	public static final int EVENT_GENERAL_REWARD_DIE = 53;
+	public static final int EVENT_SCENE_MP_PLAY_BATTLE_INTERRUPT = 54;
+	public static final int EVENT_MONSTER_DIE_BEFORE_LEAVE_SCENE = 55;
+	public static final int EVENT_SCENE_MP_PLAY_OPEN = 56;
+	public static final int EVENT_OFFERING_LEVELUP = 57;
+	public static final int EVENT_DUNGEON_REVIVE = 58;
+	public static final int EVENT_SCENE_MP_PLAY_ALL_AVATAR_DIE = 59;
+	public static final int EVENT_DUNGEON_ALL_AVATAR_DIE = 60;
+	public static final int EVENT_GENERAL_REWARD_TAKEN = 61;
+	public static final int EVENT_PLATFORM_REACH_ARRAYPOINT = 62;
+	public static final int EVENT_SCENE_MULTISTAGE_PLAY_STAGE_END = 63;
+	public static final int EVENT_SCENE_MULTISTAGE_PLAY_END_STAGE_REQ = 64;
+	public static final int EVENT_MECHANICUS_PICKED_CARD = 65;
+	public static final int EVENT_POOL_MONSTER_TIDE_OVER = 66;
+	public static final int EVENT_POOL_MONSTER_TIDE_CREATE = 67;
+	public static final int EVENT_POOL_MONSTER_TIDE_DIE = 68;
+	public static final int EVENT_DUNGEON_AVATAR_SLIP_DIE = 69;
+	public static final int EVENT_GALLERY_START = 70;
+	public static final int EVENT_GALLERY_STOP = 71;
+	public static final int EVENT_TIME_AXIS_PASS = 72;
+	public static final int EVENT_FLEUR_FAIR_DUNGEON_ALL_PLAYER_ENTER = 73;
+	public static final int EVENT_GADGETTALK_DONE = 74;
+	public static final int EVENT_SET_GAME_TIME = 75;
+	public static final int EVENT_HIDE_AND_SEEK_PLAYER_QUIT = 76;
+	public static final int EVENT_AVATAR_DIE = 77;
+}

src/main/java/emu/grasscutter/scripts/constants/ScriptGadgetState.java

+package emu.grasscutter.scripts.constants;
+
+public class ScriptGadgetState {
+	public static final int Default = 0;
+	public static final int GatherDrop = 1;
+	public static final int ChestLocked = 101;
+	public static final int ChestOpened = 102;
+	public static final int ChestTrap = 103;
+	public static final int ChestBramble = 104;
+	public static final int ChestFrozen = 105;
+	public static final int ChestRock = 106;
+	public static final int GearStart = 201;
+	public static final int GearStop = 202;
+	public static final int GearAction1 = 203;
+	public static final int GearAction2 = 204;
+	public static final int CrystalResonate1 = 301;
+	public static final int CrystalResonate2 = 302;
+	public static final int CrystalExplode = 303;
+	public static final int CrystalDrain = 304;
+	public static final int StatueActive = 401;
+	public static final int Action01 = 901;
+	public static final int Action02 = 902;
+	public static final int Action03 = 903;
+}

src/main/java/emu/grasscutter/scripts/constants/ScriptRegionShape.java

+package emu.grasscutter.scripts.constants;
+
+public class ScriptRegionShape {
+	public static final int NONE = 0;
+	public static final int SPHERE = 1;
+	public static final int CUBIC = 2;
+}

src/main/java/emu/grasscutter/scripts/data/SceneBlock.java

+package emu.grasscutter.scripts.data;
+
+import java.util.List;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneBlock {
+	public int id;
+	public Position max;
+	public Position min;
+	public List<SceneGroup> groups;
+	
+	public boolean contains(Position pos) {
+		return 	pos.getX() <= max.getX() && pos.getX() >= min.getX() &&
+				pos.getZ() <= max.getZ() && pos.getZ() >= min.getZ();
+	}
+}

src/main/java/emu/grasscutter/scripts/data/SceneConfig.java

+package emu.grasscutter.scripts.data;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneConfig {
+	public Position vision_anchor;
+	public Position born_pos;
+	public Position born_rot;
+	public Position begin_pos;
+	public Position size;
+}

src/main/java/emu/grasscutter/scripts/data/SceneGadget.java

+package emu.grasscutter.scripts.data;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneGadget {
+	public int level;
+	public int config_id;
+	public int gadget_id;
+	public int state;
+	public Position pos;
+	public Position rot;
+}

src/main/java/emu/grasscutter/scripts/data/SceneGroup.java

+package emu.grasscutter.scripts.data;
+
+import java.util.List;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneGroup {
+	public transient int block_id; // Not an actual variable in the scripts but we will keep it here for reference
+	
+	public int id;
+	public int refresh_id;
+	public Position pos;
+	
+	public List<SceneMonster> monsters;
+	public List<SceneGadget> gadgets;
+	public List<SceneTrigger> triggers;
+	public List<SceneSuite> suites;
+	public SceneInitConfig init_config;
+	
+	private transient boolean isLoaded; // Not an actual variable in the scripts either
+
+	public boolean isLoaded() {
+		return isLoaded;
+	}
+	
+	public boolean setLoaded(boolean loaded) {
+		return loaded;
+	}
+	
+	public SceneSuite getSuiteByIndex(int index) {
+		return suites.get(index - 1);
+	}
+}

src/main/java/emu/grasscutter/scripts/data/SceneInitConfig.java

+package emu.grasscutter.scripts.data;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneInitConfig {
+	public int suite;
+	public int end_suite;
+	public int rand_suite;
+}

src/main/java/emu/grasscutter/scripts/data/SceneMonster.java

+package emu.grasscutter.scripts.data;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneMonster {
+	public int level;
+	public int config_id;
+	public int monster_id;
+	public Position pos;
+	public Position rot;
+}

src/main/java/emu/grasscutter/scripts/data/SceneSuite.java

+package emu.grasscutter.scripts.data;
+
+import java.util.List;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneSuite {
+	public List<Integer> monsters;
+	public List<String> triggers;
+	public int rand_weight;
+	
+	public transient List<SceneMonster> sceneMonsters;
+}

src/main/java/emu/grasscutter/scripts/data/SceneTrigger.java

+package emu.grasscutter.scripts.data;
+
+public class SceneTrigger {
+	public String name;
+	public int config_id;
+	public int event;
+	public String source;
+	public String condition;
+	public String action;
+}

src/main/java/emu/grasscutter/scripts/data/SceneVar.java

+package emu.grasscutter.scripts.data;
+
+public class SceneVar {
+	public String name;
+	public int value;
+	public boolean no_refresh;
+}

src/main/java/emu/grasscutter/scripts/data/ScriptArgs.java

+package emu.grasscutter.scripts.data;
+
+public class ScriptArgs {
+	public int param1;
+	public int param2;
+	public int param3;
+	
+	public ScriptArgs() {
+		
+	}
+
+	public ScriptArgs(int param1) {
+		this.param1 = param1;
+	}
+
+	public ScriptArgs(int param1, int param2) {
+		this.param1 = param1;
+		this.param2 = param2;
+	}
+
+	public int getParam1() {
+		return param1;
+	}
+
+	public ScriptArgs setParam1(int param1) {
+		this.param1 = param1;
+		return this;
+	}
+
+	public int getParam2() {
+		return param2;
+	}
+
+	public ScriptArgs setParam2(int param2) {
+		this.param2 = param2;
+		return this;
+	}
+
+	public int getParam3() {
+		return param3;
+	}
+
+	public ScriptArgs setParam3(int param3) {
+		this.param3 = param3;
+		return this;
+	}
+}

src/main/java/emu/grasscutter/scripts/serializer/LuaSerializer.java

+package emu.grasscutter.scripts.serializer;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.luaj.vm2.LuaTable;
+import org.luaj.vm2.LuaValue;
+
+public class LuaSerializer implements Serializer {
+	
+	@Override
+	public <T> List<T> toList(Class<T> type, Object obj) {
+		return serializeList(type, (LuaTable) obj);
+	}
+
+	@Override
+	public <T> T toObject(Class<T> type, Object obj) {
+		return serialize(type, (LuaTable) obj);
+	}
+	
+	public <T> List<T> serializeList(Class<T> type, LuaTable table) {
+		List<T> list = new ArrayList();
+		
+		try {
+			LuaValue[] keys = table.keys();
+			for (LuaValue k : keys) {
+				try {
+					LuaValue keyValue = table.get(k);
+					
+					T object = null;
+					
+					if (keyValue.istable()) {
+						object = serialize(type, keyValue.checktable());
+				    } else if (keyValue.isint()) {
+				    	object = (T) (Integer) keyValue.toint();
+				    } else if (keyValue.isnumber()) {
+				    	object = (T) (Float) keyValue.tofloat(); // terrible...
+				    } else if (keyValue.isstring()) {
+				    	object = (T) keyValue.tojstring();
+				    } else {
+				    	object = (T) keyValue;
+				    }
+					
+					if (object != null) {
+						list.add(object);
+					}
+				} catch (Exception ex) {
+
+				}
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+
+		return list;
+	}
+	
+	public <T> T serialize(Class<T> type, LuaTable table) {
+		T object = null;
+		
+		if (type == List.class) {
+			try {
+				Class<T> listType = (Class<T>) type.getTypeParameters()[0].getClass();
+				return (T) serializeList(listType, table);
+			} catch (Exception e) {
+				e.printStackTrace();
+				return null;
+			}
+		}
+		
+		try {
+			object = type.getDeclaredConstructor().newInstance(null);
+			
+			LuaValue[] keys = table.keys();
+			for (LuaValue k : keys) {
+				try {
+					Field field = object.getClass().getDeclaredField(k.checkjstring());
+					if (field == null) {
+						continue;
+					}
+					
+					field.setAccessible(true);
+					LuaValue keyValue = table.get(k);
+
+					if (keyValue.istable()) {
+				    	field.set(object, serialize(field.getType(), keyValue.checktable()));
+				    } else if (field.getType().equals(float.class)) {
+				    	field.setFloat(object, keyValue.tofloat());
+				    } else if (field.getType().equals(int.class)) {
+				    	field.setInt(object, keyValue.toint());
+				    } else if (field.getType().equals(String.class)) {
+				    	field.set(object, keyValue.tojstring());
+				    } else {
+				    	field.set(object, keyValue);
+				    }
+				} catch (Exception ex) {
+					//ex.printStackTrace();
+					continue;
+				}
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		
+		return object;
+	}
+}

src/main/java/emu/grasscutter/scripts/serializer/Serializer.java

+package emu.grasscutter.scripts.serializer;
+
+import java.util.List;
+
+import org.luaj.vm2.LuaTable;
+
+public interface Serializer {
+	
+	public <T> List<T> toList(Class<T> type, Object obj);
+	
+	public <T> T toObject(Class<T> type, Object obj);
+}