Implement script support needed for dungeons

Only a few are supported right now
You will need certain script files in ./resources/Scripts

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

@@ -0,0 +1,283 @@
+package emu.grasscutter.scripts;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+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.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.ScriptEventType;
+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 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 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<>();
+		
+		// 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 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 ScriptEventType()); // 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);
+				
+				loadBlock(block);
+			}
+			
+			this.blocks = blocks;
+		} catch (ScriptException e) {
+			Grasscutter.getLogger().error("Error running script", e);
+		}
+		// TEMP
+		this.isInit = true;
+	}
+
+	public boolean isInit() {
+		return isInit;
+	}
+	
+	private void loadBlock(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(this::loadGroup);
+		} catch (ScriptException e) {
+			Grasscutter.getLogger().error("Error loading block " + block.id + " in scene " + getScene().getId(), e);
+		}
+	}
+	
+	private void loadGroup(SceneGroup group) {
+		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"));
+		} catch (ScriptException e) {
+			Grasscutter.getLogger().error("Error loading group " + group.id + " in scene " + getScene().getId(), e);
+		}
+	}
+
+	public void onTick() {
+		checkTriggers();
+	}
+	
+	public void checkTriggers() {
+
+	}
+	
+	// Events
+	
+	private LuaValue getFunc(String name) {
+		return (LuaValue) this.getBindings().get(name);
+	}
+	
+	public void onGadgetCreate(EntityGadget gadget) {
+		LuaTable params = new LuaTable();
+		params.set("param1", gadget.getConfigId());
+		
+		for (SceneTrigger trigger : this.getTriggersByEvent(ScriptEventType.EVENT_GADGET_CREATE)) {
+			LuaValue condition = getFunc(trigger.condition);
+
+			LuaValue ret = condition.call(this.getScriptLibLua(), params);
+			
+			if (ret.checkboolean() == true) {
+				LuaValue action = getFunc(trigger.action);
+				action.call(this.getScriptLibLua(), LuaValue.NIL);
+			}
+		}
+	}
+	
+	public void onOptionSelect(int entityId, int optionId) {
+		GameEntity entity = this.getScene().getEntityById(entityId);
+
+		if (entity == null || !(entity instanceof EntityGadget)) {
+			return;
+		}
+		
+		LuaTable params = new LuaTable();
+		params.set("param1", entity.getConfigId());
+		params.set("param2", optionId);
+		
+		for (SceneTrigger trigger : this.getTriggersByEvent(ScriptEventType.EVENT_SELECT_OPTION)) {
+			LuaValue condition = getFunc(trigger.condition);
+
+			LuaValue ret = condition.call(this.getScriptLibLua(), params);
+			
+			if (ret.checkboolean() == true) {
+				LuaValue action = getFunc(trigger.action);
+				action.call(this.getScriptLibLua(), LuaValue.NIL);
+			}
+		}
+	}
+	
+	public void onMonsterSpawn(EntityMonster entity) {
+		LuaTable params = new LuaTable();
+		params.set("param1", entity.getConfigId());
+		
+		for (SceneTrigger trigger : this.getTriggersByEvent(ScriptEventType.EVENT_ANY_MONSTER_LIVE)) {
+			LuaValue condition = getFunc(trigger.condition);
+
+			LuaValue ret = condition.call(this.getScriptLibLua(), params);
+			
+			if (ret.checkboolean() == true) {
+				LuaValue action = getFunc(trigger.action);
+				action.call(this.getScriptLibLua(), LuaValue.NIL);
+			}
+		}
+	}
+	
+	public void onChallengeSuccess() {
+		for (SceneTrigger trigger : this.getTriggersByEvent(ScriptEventType.EVENT_CHALLENGE_SUCCESS)) {
+			LuaValue action = getFunc(trigger.action);
+			action.call(this.getScriptLibLua(), LuaValue.NIL);
+		}
+	}
+	
+	public void onChallengeFailure() {
+		for (SceneTrigger trigger : this.getTriggersByEvent(ScriptEventType.EVENT_CHALLENGE_FAIL)) {
+			LuaValue action = getFunc(trigger.action);
+			action.call(this.getScriptLibLua(), LuaValue.NIL);
+		}
+	}
+}

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

@@ -0,0 +1,165 @@
+package emu.grasscutter.scripts;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import org.luaj.vm2.LuaTable;
+
+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.data.SceneGroup;
+import emu.grasscutter.scripts.data.SceneMonster;
+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) {
+			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
+		List<GameEntity> toAdd = new ArrayList<>();
+		
+		for (SceneMonster monster : group.monsters) {
+			MonsterData data = GameData.getMonsterDataMap().get(monster.monster_id);
+			
+			if (data == null) {
+				continue;
+			}
+			
+			EntityMonster entity = new EntityMonster(getSceneScriptManager().getScene(), data, monster.pos, monster.level);
+			entity.getRotation().set(monster.rot);
+			entity.setGroupId(group.id);
+			entity.setConfigId(monster.config_id);
+			
+			toAdd.add(entity);
+		}
+		
+		if (toAdd.size() > 0) {
+			getSceneScriptManager().getScene().addEntities(toAdd);
+			
+			for (GameEntity entity : toAdd) {
+				this.getSceneScriptManager().onMonsterSpawn((EntityMonster) entity);
+			}
+		}
+		
+		return 0;
+	}
+	
+	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 RefreshGroup(LuaTable table) {
+		// Add group back to suite
+		return 0;
+	}
+	
+	public void PrintContextLog(String msg) {
+		Grasscutter.getLogger().info("[LUA] " + msg);
+	}
+}

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

@@ -0,0 +1,74 @@
+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/ScriptEventType.java

@@ -0,0 +1,82 @@
+package emu.grasscutter.scripts.constants;
+
+public class ScriptEventType {
+	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

@@ -0,0 +1,24 @@
+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

@@ -0,0 +1,7 @@
+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

@@ -0,0 +1,17 @@
+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

@@ -0,0 +1,11 @@
+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

@@ -0,0 +1,12 @@
+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

@@ -0,0 +1,17 @@
+package emu.grasscutter.scripts.data;
+
+import java.util.List;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneGroup {
+	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;
+}

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

@@ -0,0 +1,9 @@
+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

@@ -0,0 +1,11 @@
+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

@@ -0,0 +1,10 @@
+package emu.grasscutter.scripts.data;
+
+import java.util.List;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneSuite {
+	public List<String> triggers;
+	public int rand_weight;
+}

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

@@ -0,0 +1,10 @@
+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/serializer/LuaSerializer.java

@@ -0,0 +1,108 @@
+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

@@ -0,0 +1,12 @@
+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);
+}