Blossom Implement (#1606)

* Blossom!

* rename

* delete SpawnBlossomEntry.java

* use MAP

* use List

* use LIST

* use List

* useCondensedResin

* useCondensedResin

* fix build

* enhance

* fix bug

* REMOVE BOSS

* fix condensed resin

* fix condensed resin

* use POSITIVE_INFINITY

* use RewardPreviewData

* fix build

* fix resources

* add BLOSSOM_MONSTER_FIGHTING_VOLUME

* edit monster score

* edit monster score

* fix bug

* fix bug

* improve logic

* fix monsters level

* Deleted comment blocks

* nitpick

* Fix compilation problems

* nitpick

* Refactor + nitpick

* Clean up overall diff to develop

* Clean up other usage of condensed resin

* Clean up overall diff to develop

* Lombokify Scene.java

* Missed an odd getter name

* Unhardcode reward previews

* EDIT NAME

* remove leyline 1

* remove leyline 2

* Update BlossomManager.java

Co-authored-by: AnimeGitB <AnimeGitB@bigblueball.in>

src/main/java/emu/grasscutter/data/GameData.java

@@ -113,6 +113,7 @@ public class GameData {
     @Getter private static final Int2ObjectMap<TriggerExcelConfigData> triggerExcelConfigDataMap = new Int2ObjectOpenHashMap<>();
     @Getter private static final Map<String,ScriptSceneData> scriptSceneDataMap = new HashMap<>();
 	@Getter private static final Map<Integer, List<Integer>> scenePointsPerScene = new HashMap<>();
+    @Getter private static final Int2ObjectMap<BlossomRefreshExcelConfigData> blossomRefreshExcelConfigDataMap = new Int2ObjectOpenHashMap<>();
 
     @Getter private static final Int2ObjectMap<OpenStateData> openStateDataMap = new Int2ObjectOpenHashMap<>();
 
@@ -124,7 +125,7 @@ public class GameData {
 
 
 	@Getter private static final List<OpenStateData> openStateList = new ArrayList<>();
-	
+
 
 	public static Int2ObjectMap<?> getMapByResourceDef(Class<?> resourceDefinition) {
 		Int2ObjectMap<?> map = null;

src/main/java/emu/grasscutter/data/GameDepot.java

@@ -10,10 +10,13 @@ import emu.grasscutter.Grasscutter;
 import emu.grasscutter.data.ResourceLoader.AvatarConfig;
 import emu.grasscutter.data.excels.ReliquaryAffixData;
 import emu.grasscutter.data.excels.ReliquaryMainPropData;
+import emu.grasscutter.game.managers.blossom.BlossomConfig;
 import emu.grasscutter.game.world.SpawnDataEntry;
 import emu.grasscutter.utils.WeightedList;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import lombok.Getter;
+import lombok.Setter;
 
 public class GameDepot {
     public static final int[] BLOCK_SIZE = new int[]{50,500};//Scales
@@ -22,8 +25,9 @@ public class GameDepot {
     private static Int2ObjectMap<List<ReliquaryMainPropData>> relicMainPropDepot = new Int2ObjectOpenHashMap<>();
     private static Int2ObjectMap<List<ReliquaryAffixData>> relicAffixDepot = new Int2ObjectOpenHashMap<>();
 
-    private static Map<String, AvatarConfig> playerAbilities = new HashMap<>();
+    @Getter @Setter private static Map<String, AvatarConfig> playerAbilities = new HashMap<>();
-    private static HashMap<SpawnDataEntry.GridBlockId, ArrayList<SpawnDataEntry>> spawnLists = new HashMap<>();
+    @Getter private static HashMap<SpawnDataEntry.GridBlockId, ArrayList<SpawnDataEntry>> spawnLists = new HashMap<>();
+    @Getter @Setter private static BlossomConfig blossomConfig;
 
     public static void load() {
         for (ReliquaryMainPropData data : GameData.getReliquaryMainPropDataMap().values()) {
@@ -64,19 +68,7 @@ public class GameDepot {
         return relicAffixDepot.get(depot);
     }
 
-    public static HashMap<SpawnDataEntry.GridBlockId, ArrayList<SpawnDataEntry>> getSpawnLists() {
-        return spawnLists;
-    }
-
     public static void addSpawnListById(HashMap<SpawnDataEntry.GridBlockId, ArrayList<SpawnDataEntry>> data) {
         spawnLists.putAll(data);
     }
-
-    public static void setPlayerAbilities(Map<String, AvatarConfig> playerAbilities) {
-        GameDepot.playerAbilities = playerAbilities;
-    }
-
-    public static Map<String, AvatarConfig> getPlayerAbilities() {
-        return playerAbilities;
-    }
 }

src/main/java/emu/grasscutter/data/ResourceLoader.java

@@ -9,6 +9,7 @@ import emu.grasscutter.data.binout.AbilityModifier.AbilityModifierAction;
 import emu.grasscutter.data.binout.AbilityModifier.AbilityModifierActionType;
 import emu.grasscutter.data.common.PointData;
 import emu.grasscutter.data.common.ScenePointConfig;
+import emu.grasscutter.game.managers.blossom.BlossomConfig;
 import emu.grasscutter.game.quest.QuestEncryptionKey;
 import emu.grasscutter.game.world.SpawnDataEntry;
 import emu.grasscutter.game.world.SpawnDataEntry.GridBlockId;
@@ -75,6 +76,7 @@ public class ResourceLoader {
 		// Load default home layout
 		loadHomeworldDefaultSaveData();
 		loadNpcBornData();
+        loadBlossomResources();
 
         Grasscutter.getLogger().info(translate("messages.status.resources.finish"));
         loadedAll = true;
@@ -486,6 +488,12 @@ public class ResourceLoader {
         Grasscutter.getLogger().debug("Loaded " + GameData.getSceneNpcBornData().size() + " SceneNpcBornDatas.");
     }
 
+    @SneakyThrows
+    private static void loadBlossomResources() {
+        GameDepot.setBlossomConfig(DataLoader.loadClass("BlossomConfig.json", BlossomConfig.class));
+        Grasscutter.getLogger().debug("Loaded BlossomConfig.");
+    }
+
     // BinOutput configs
 
     public static class AvatarConfig {

src/main/java/emu/grasscutter/data/excels/BlossomRefreshExcelConfigData.java

@@ -0,0 +1,46 @@
+package emu.grasscutter.data.excels;
+
+import java.util.List;
+
+import emu.grasscutter.data.GameResource;
+import emu.grasscutter.data.ResourceType;
+import lombok.Getter;
+
+@ResourceType(name = "BlossomRefreshExcelConfigData.json")
+public class BlossomRefreshExcelConfigData extends GameResource {
+    private int id;
+    // Map details
+    @Getter private long nameTextMapHash;
+    @Getter private long descTextMapHash;
+    @Getter private String icon;
+    @Getter private String clientShowType;  // BLOSSOM_SHOWTYPE_CHALLENGE, BLOSSOM_SHOWTYPE_NPCTALK
+
+    // Refresh details
+    @Getter private String refreshType;  // Leyline blossoms, magical ore outcrops
+    @Getter private int refreshCount;  // Number of entries to spawn at refresh (1 for each leyline type for each city, 4 for magical ore for each city)
+    @Getter private String refreshTime;  // Server time-of-day to refresh at
+    @Getter private RefreshCond[] refreshCondVec;  // AR requirements etc.
+
+    @Getter private int cityId;
+    @Getter private int blossomChestId;  // 1 for mora, 2 for exp
+    @Getter private Drop[] dropVec;
+
+    // Unknown details
+    // @Getter private int reviseLevel;
+    // @Getter private int campUpdateNeedCount;  // Always 1 if specified
+
+    @Override
+    public int getId() {
+        return id;
+    }
+
+    public static class Drop {
+        @Getter int dropId;
+        @Getter int previewReward;
+    }
+
+    public static class RefreshCond {
+        @Getter String type;
+        @Getter List<Integer> param;
+    }
+}

src/main/java/emu/grasscutter/game/dungeons/challenge/DungeonChallenge.java

@@ -8,12 +8,12 @@ import emu.grasscutter.game.dungeons.DungeonDrop;
 import emu.grasscutter.game.dungeons.DungeonDropEntry;
 import emu.grasscutter.game.dungeons.challenge.trigger.ChallengeTrigger;
 import emu.grasscutter.game.inventory.GameItem;
-import emu.grasscutter.game.inventory.ItemType;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.props.ActionReason;
 import emu.grasscutter.game.props.WatcherTriggerType;
 import emu.grasscutter.game.world.Scene;
 import emu.grasscutter.net.proto.GadgetInteractReqOuterClass.GadgetInteractReq;
+import emu.grasscutter.net.proto.ResinCostTypeOuterClass;
 import emu.grasscutter.scripts.constants.EventType;
 import emu.grasscutter.scripts.data.SceneGroup;
 import emu.grasscutter.scripts.data.ScriptArgs;
@@ -88,11 +88,12 @@ public class DungeonChallenge extends WorldChallenge {
 
     private void settle() {
         if (!stage) {
-            getScene().getDungeonSettleObservers().forEach(o -> o.onDungeonSettle(getScene()));
+            var scene = this.getScene();
-            getScene().getScriptManager().callEvent(EventType.EVENT_DUNGEON_SETTLE,
+            scene.getDungeonSettleListeners().forEach(o -> o.onDungeonSettle(getScene()));
+            scene.getScriptManager().callEvent(EventType.EVENT_DUNGEON_SETTLE,
                     new ScriptArgs(this.isSuccess() ? 1 : 0));
             // Battle pass trigger
-            this.getScene().getPlayers().forEach(p -> p.getBattlePassManager().triggerMission(WatcherTriggerType.TRIGGER_FINISH_DUNGEON));
+            scene.getPlayers().forEach(p -> p.getBattlePassManager().triggerMission(WatcherTriggerType.TRIGGER_FINISH_DUNGEON));
         }
     }
 
@@ -166,7 +167,7 @@ public class DungeonChallenge extends WorldChallenge {
         // Get rewards.
         List<GameItem> rewards = new ArrayList<>();
 
-        if (request.getIsUseCondenseResin()) {
+        if (request.getResinCostType() == ResinCostTypeOuterClass.ResinCostType.RESIN_COST_TYPE_CONDENSE) {
             // Check if condensed resin is usable here.
             // For this, we use the following logic for now:
             // The normal resin cost of the dungeon has to be 20.
@@ -174,25 +175,15 @@ public class DungeonChallenge extends WorldChallenge {
                 return;
             }
 
-            // Make sure the player has condensed resin.
+            // Spend the condensed resin and only proceed if the transaction succeeds.
-            GameItem condensedResin = player.getInventory().getInventoryTab(ItemType.ITEM_MATERIAL).getItemById(220007);
+            if (!player.getResinManager().useCondensedResin(1)) return;
-            if (condensedResin == null || condensedResin.getCount() <= 0) {
-                return;
-            }
-
-            // Deduct.
-            player.getInventory().removeItem(condensedResin, 1);
 
             // Roll rewards.
             rewards.addAll(this.rollRewards(true));
         }
         else {
-            // If the player used regular resin, try to deduct.
+            // Spend the resin and only proceed if the transaction succeeds.
-            // Stop if insufficient resin.
+            if (!player.getResinManager().useResin(resinCost)) return;
-            boolean success = player.getResinManager().useResin(resinCost);
-            if (!success) {
-                return;
-            }
 
             // Roll rewards.
             rewards.addAll(this.rollRewards(false));

src/main/java/emu/grasscutter/game/entity/GameEntity.java

@@ -215,12 +215,15 @@ public abstract class GameEntity {
 
         // Invoke entity damage event.
         EntityDamageEvent event = new EntityDamageEvent(this, amount, this.getScene().getEntityById(killerId));
-        event.call(); if (event.isCanceled()) {
+        event.call(); 
+        if (event.isCanceled()) {
             return; // If the event is canceled, do not damage the entity.
         }
-
+        
-        // Add negative HP to the current HP property.
+        if(getFightProperty(FightProperty.FIGHT_PROP_CUR_HP) != Float.POSITIVE_INFINITY){
-        this.addFightProperty(FightProperty.FIGHT_PROP_CUR_HP, -(event.getDamage()));
+          // Add negative HP to the current HP property.
+          this.addFightProperty(FightProperty.FIGHT_PROP_CUR_HP, -(event.getDamage()));
+        }
 
         // Check if dead
         boolean isDead = false;

src/main/java/emu/grasscutter/game/entity/gadget/GadgetChest.java

@@ -2,6 +2,7 @@ package emu.grasscutter.game.entity.gadget;
 
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.game.entity.EntityGadget;
+import emu.grasscutter.game.entity.gadget.chest.BossChestInteractHandler;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.props.LifeState;
 import emu.grasscutter.net.proto.BossChestInfoOuterClass.BossChestInfo;
@@ -9,6 +10,7 @@ import emu.grasscutter.net.proto.GadgetInteractReqOuterClass.GadgetInteractReq;
 import emu.grasscutter.net.proto.InterOpTypeOuterClass.InterOpType;
 import emu.grasscutter.net.proto.InteractTypeOuterClass;
 import emu.grasscutter.net.proto.InteractTypeOuterClass.InteractType;
+import emu.grasscutter.net.proto.ResinCostTypeOuterClass;
 import emu.grasscutter.net.proto.SceneGadgetInfoOuterClass.SceneGadgetInfo;
 import emu.grasscutter.scripts.constants.ScriptGadgetState;
 import emu.grasscutter.server.packet.send.PacketGadgetInteractRsp;
@@ -32,7 +34,13 @@ public class GadgetChest extends GadgetContent {
             player.sendPacket(new PacketGadgetInteractRsp(getGadget(), InteractType.INTERACT_TYPE_OPEN_CHEST, InterOpType.INTER_OP_TYPE_START));
             return false;
         }else {
-            var success = handler.onInteract(this, player);
+            boolean success;
+            if(handler instanceof BossChestInteractHandler bossChestInteractHandler){
+                success = bossChestInteractHandler.onInteract(this, player,
+                    req.getResinCostType()== ResinCostTypeOuterClass.ResinCostType.RESIN_COST_TYPE_CONDENSE);
+            }else{
+                success = handler.onInteract(this, player);
+            }
             if (!success) {
                 return false;
             }

src/main/java/emu/grasscutter/game/entity/gadget/GadgetWorktop.java

@@ -3,31 +3,34 @@ package emu.grasscutter.game.entity.gadget;
 import java.util.Arrays;
 
 import emu.grasscutter.game.entity.EntityGadget;
+import emu.grasscutter.game.entity.gadget.worktop.WorktopWorktopOptionHandler;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.net.proto.GadgetInteractReqOuterClass.GadgetInteractReq;
 import emu.grasscutter.net.proto.SceneGadgetInfoOuterClass.SceneGadgetInfo;
+import emu.grasscutter.net.proto.SelectWorktopOptionReqOuterClass.SelectWorktopOptionReq;
 import emu.grasscutter.net.proto.WorktopInfoOuterClass.WorktopInfo;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
 import it.unimi.dsi.fastutil.ints.IntSet;
 
 public class GadgetWorktop extends GadgetContent {
 	private IntSet worktopOptions;
-	
+    private WorktopWorktopOptionHandler handler;
+
 	public GadgetWorktop(EntityGadget gadget) {
 		super(gadget);
 	}
-	
+
 	public IntSet getWorktopOptions() {
 		return worktopOptions;
 	}
-	
+
 	public void addWorktopOptions(int[] options) {
 		if (this.worktopOptions == null) {
 			this.worktopOptions = new IntOpenHashSet();
 		}
 		Arrays.stream(options).forEach(this.worktopOptions::add);
 	}
-	
+
 	public void removeWorktopOption(int option) {
 		if (this.worktopOptions == null) {
 			return;
@@ -43,11 +46,20 @@ public class GadgetWorktop extends GadgetContent {
 		if (this.worktopOptions == null) {
 			return;
 		}
-		
+
 		WorktopInfo worktop = WorktopInfo.newBuilder()
 				.addAllOptionList(this.getWorktopOptions())
 				.build();
-		
+
 		gadgetInfo.setWorktop(worktop);
 	}
+
+    public void setOnSelectWorktopOptionEvent(WorktopWorktopOptionHandler handler) {
+        this.handler = handler;
+    }
+    public boolean onSelectWorktopOption(SelectWorktopOptionReq req) {
+        this.handler.onSelectWorktopOption(this,req.getOptionId());
+        return false;
+    }
+
 }

src/main/java/emu/grasscutter/game/entity/gadget/chest/BossChestInteractHandler.java

@@ -19,6 +19,17 @@ public class BossChestInteractHandler implements ChestInteractHandler{
 
     @Override
     public boolean onInteract(GadgetChest chest, Player player) {
+        return this.onInteract(chest,player,false);
+    }
+
+    public boolean onInteract(GadgetChest chest, Player player,boolean useCondensedResin) {
+        var blossomRewards = player.getScene().getBlossomManager().onReward(player,chest.getGadget(),useCondensedResin);
+        if(blossomRewards!=null) {
+            player.getInventory().addItems(blossomRewards, ActionReason.OpenWorldBossChest);
+            player.sendPacket(new PacketGadgetAutoPickDropInfoNotify(blossomRewards));
+            return true;
+        }
+
         var worldDataManager = chest.getGadget().getScene().getWorld().getServer().getWorldDataSystem();
         var monster = chest.getGadget().getMetaGadget().group.monsters.get(chest.getGadget().getMetaGadget().boss_chest.monster_config_id);
         var reward = worldDataManager.getRewardByBossId(monster.monster_id);

src/main/java/emu/grasscutter/game/entity/gadget/worktop/WorktopWorktopOptionHandler.java

@@ -0,0 +1,6 @@
+package emu.grasscutter.game.entity.gadget.worktop;
+
+import emu.grasscutter.game.entity.gadget.GadgetWorktop;
+public interface WorktopWorktopOptionHandler {
+    boolean onSelectWorktopOption(GadgetWorktop gadgetWorktop,int option);
+}

src/main/java/emu/grasscutter/game/managers/ResinManager.java

@@ -52,6 +52,12 @@ public class ResinManager extends BasePlayerManager {
         return true;
     }
 
+    public synchronized boolean useCondensedResin(int amount) {
+        // Don't deduct if resin disabled.
+        if (!GAME_OPTIONS.resinOptions.resinUsage) return true;
+        return this.player.getInventory().payItem(220007, amount);
+    }
+
     public synchronized void addResin(int amount) {
         // Check if resin enabled.
         if (!GAME_OPTIONS.resinOptions.resinUsage) {

src/main/java/emu/grasscutter/game/managers/blossom/BlossomActivity.java

@@ -0,0 +1,135 @@
+package emu.grasscutter.game.managers.blossom;
+
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.excels.MonsterData;
+import emu.grasscutter.data.excels.WorldLevelData;
+import emu.grasscutter.game.dungeons.challenge.WorldChallenge;
+import emu.grasscutter.game.dungeons.challenge.trigger.ChallengeTrigger;
+import emu.grasscutter.game.dungeons.challenge.trigger.KillMonsterTrigger;
+import emu.grasscutter.game.entity.EntityGadget;
+import emu.grasscutter.game.entity.EntityMonster;
+import emu.grasscutter.game.props.FightProperty;
+import emu.grasscutter.game.world.Scene;
+import emu.grasscutter.scripts.data.SceneBossChest;
+import emu.grasscutter.scripts.data.SceneGadget;
+import emu.grasscutter.scripts.data.SceneGroup;
+import emu.grasscutter.utils.Position;
+import emu.grasscutter.utils.Utils;
+
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Queue;
+
+public class BlossomActivity {
+
+    private final SceneGroup tempSceneGroup;
+    private final WorldChallenge challenge;
+    private final EntityGadget gadget;
+    private EntityGadget chest;
+    private int step;
+    private final int goal;
+    private int generatedCount;
+    private final int worldLevel;
+    private boolean pass=false;
+    private final List<EntityMonster> activeMonsters = new ArrayList<>();
+    private final Queue<Integer> candidateMonsters = new ArrayDeque<>();
+    private static final int BLOOMING_GADGET_ID = 70210109;
+    public BlossomActivity(EntityGadget entityGadget, List<Integer> monsters, int timeout, int worldLevel) {
+        this.tempSceneGroup = new SceneGroup();
+        this.tempSceneGroup.id = entityGadget.getId();
+        this.gadget=entityGadget;
+        this.step=0;
+        this.goal = monsters.size();
+        this.candidateMonsters.addAll(monsters);
+        this.worldLevel = worldLevel;
+        ArrayList<ChallengeTrigger> challengeTriggers = new ArrayList<>();
+        this.challenge = new WorldChallenge(entityGadget.getScene(),
+            tempSceneGroup,
+            1,
+            1,
+            List.of(goal, timeout),
+            timeout,
+            goal, challengeTriggers);
+        challengeTriggers.add(new KillMonsterTrigger());
+        //this.challengeTriggers.add(new InTimeTrigger());
+    }
+    public WorldChallenge getChallenge(){
+        return this.challenge;
+    }
+    public void setMonsters(List<EntityMonster> monsters) {
+        this.activeMonsters.clear();
+        this.activeMonsters.addAll(monsters);
+        for(EntityMonster monster : monsters){
+            monster.setGroupId(this.tempSceneGroup.id);
+        }
+    }
+    public int getAliveMonstersCount(){
+        int count=0;
+        for(EntityMonster monster: activeMonsters) {
+            if(monster.isAlive()){
+                count++;
+            }
+        }
+        return count;
+    }
+    public boolean getPass(){
+        return pass;
+    }
+    public void start(){
+        challenge.start();
+    }
+    public void onTick() {
+        Scene scene = gadget.getScene();
+        Position pos = gadget.getPosition();
+        if(getAliveMonstersCount() <= 2){
+            if(generatedCount<goal){
+                step++;
+
+                WorldLevelData worldLevelData = GameData.getWorldLevelDataMap().get(worldLevel);
+                int worldLevelOverride = 0;
+                if (worldLevelData != null) {
+                    worldLevelOverride = worldLevelData.getMonsterLevel();
+                }
+
+                List<EntityMonster> newMonsters = new ArrayList<>();
+                int willSpawn = Utils.randomRange(3,5);
+                if(generatedCount+willSpawn>goal){
+                    willSpawn = goal - generatedCount;
+                }
+                generatedCount+=willSpawn;
+                for (int i = 0; i < willSpawn; i++) {
+                    MonsterData monsterData = GameData.getMonsterDataMap().get(candidateMonsters.poll());
+                    int level = scene.getEntityLevel(1, worldLevelOverride);
+                    EntityMonster entity = new EntityMonster(scene, monsterData, pos.nearby2d(40), level);
+                    scene.addEntity(entity);
+                    newMonsters.add(entity);
+                }
+                setMonsters(newMonsters);
+            }else{
+                if(getAliveMonstersCount() == 0) {
+                    this.pass = true;
+                    this.challenge.done();
+                }
+            }
+        }
+    }
+    public EntityGadget getGadget(){
+        return gadget;
+    }
+    public EntityGadget getChest(){
+        if(chest==null) {
+            EntityGadget rewardGadget = new EntityGadget(gadget.getScene(), BLOOMING_GADGET_ID, gadget.getPosition());
+            SceneGadget metaGadget = new SceneGadget();
+            metaGadget.boss_chest = new SceneBossChest();
+            metaGadget.boss_chest.resin = 20;
+            rewardGadget.setFightProperty(FightProperty.FIGHT_PROP_BASE_HP, Float.POSITIVE_INFINITY);
+            rewardGadget.setFightProperty(FightProperty.FIGHT_PROP_CUR_HP, Float.POSITIVE_INFINITY);
+            rewardGadget.setFightProperty(FightProperty.FIGHT_PROP_MAX_HP, Float.POSITIVE_INFINITY);
+            rewardGadget.setMetaGadget(metaGadget);
+            rewardGadget.buildContent();
+            chest = rewardGadget;
+        }
+        return chest;
+    }
+}

src/main/java/emu/grasscutter/game/managers/blossom/BlossomConfig.java

@@ -0,0 +1,12 @@
+package emu.grasscutter.game.managers.blossom;
+
+import java.util.List;
+import java.util.Map;
+
+import lombok.Getter;
+
+public class BlossomConfig {
+    @Getter private int monsterFightingVolume;
+    // @Getter private Int2ObjectMap<IntList> monsterIdsPerDifficulty;  // Need to wrangle Gson for this
+    @Getter private Map<Integer, List<Integer>> monsterIdsPerDifficulty;
+}

src/main/java/emu/grasscutter/game/managers/blossom/BlossomManager.java

@@ -0,0 +1,237 @@
+package emu.grasscutter.game.managers.blossom;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.GameDepot;
+import emu.grasscutter.data.common.ItemParamData;
+import emu.grasscutter.data.excels.RewardPreviewData;
+import emu.grasscutter.game.entity.EntityGadget;
+import emu.grasscutter.game.entity.GameEntity;
+import emu.grasscutter.game.entity.gadget.GadgetWorktop;
+import emu.grasscutter.game.inventory.GameItem;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.world.Scene;
+import emu.grasscutter.game.world.SpawnDataEntry;
+import emu.grasscutter.game.world.SpawnDataEntry.SpawnGroupEntry;
+import emu.grasscutter.net.proto.BlossomBriefInfoOuterClass;
+import emu.grasscutter.net.proto.VisionTypeOuterClass;
+import emu.grasscutter.server.packet.send.PacketBlossomBriefInfoNotify;
+import emu.grasscutter.utils.Utils;
+import it.unimi.dsi.fastutil.ints.Int2ObjectLinkedOpenHashMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.IntArrayList;
+import it.unimi.dsi.fastutil.ints.IntList;
+
+public class BlossomManager {
+    public BlossomManager(Scene scene) {
+        this.scene = scene;
+    }
+
+    private final Scene scene;
+    private final List<BlossomActivity> blossomActivities = new ArrayList<>();
+    private final List<BlossomActivity> activeChests = new ArrayList<>();
+    private final List<EntityGadget> createdEntity = new ArrayList<>();
+
+    private final List<SpawnDataEntry> blossomConsumed = new ArrayList<>();
+
+    public void onTick(){
+        synchronized (blossomActivities){
+            var it = blossomActivities.iterator();
+            while(it.hasNext()){
+                var active = it.next();
+                active.onTick();
+                if (active.getPass()) {
+                    EntityGadget chest = active.getChest();
+                    scene.addEntity(chest);
+                    scene.setChallenge(null);
+                    activeChests.add(active);
+                    it.remove();
+                }
+            }
+        }
+    }
+
+    public void recycleGadgetEntity(List<GameEntity> entities){
+        for(var entity : entities){
+            if(entity instanceof EntityGadget gadget){
+                createdEntity.remove(gadget);
+            }
+        }
+        notifyIcon();
+    }
+
+    public void initBlossom(EntityGadget gadget){
+        if(createdEntity.contains(gadget)){
+            return;
+        }
+        if(blossomConsumed.contains(gadget.getSpawnEntry())){
+            return;
+        }
+        var id = gadget.getGadgetId();
+        if(BlossomType.valueOf(id)==null){
+            return;
+        }
+        gadget.buildContent();
+        gadget.setState(204);
+        int worldLevel = getWorldLevel();
+        GadgetWorktop gadgetWorktop = ((GadgetWorktop) gadget.getContent());
+        gadgetWorktop.addWorktopOptions(new int[]{187});
+        gadgetWorktop.setOnSelectWorktopOptionEvent((GadgetWorktop context, int option) -> {
+            BlossomActivity activity;
+            EntityGadget entityGadget = context.getGadget();
+            synchronized (blossomActivities) {
+                for (BlossomActivity i : this.blossomActivities) {
+                    if (i.getGadget() == entityGadget) {
+                        return false;
+                    }
+                }
+
+                int volume=0;
+                IntList monsters = new IntArrayList();
+                while(true){
+                    var remain = GameDepot.getBlossomConfig().getMonsterFightingVolume() - volume;
+                    if(remain<=0){
+                        break;
+                    }
+                    var rand = Utils.randomRange(1,100);
+                    if(rand>85 && remain>=50){//15% ,generate strong monster
+                        monsters.addAll(getRandomMonstersID(2,1));
+                        volume+=50;
+                    }else if(rand>50 && remain>=20) {//35% ,generate normal monster
+                        monsters.addAll(getRandomMonstersID(1,1));
+                        volume+=20;
+                    }else{//50% ,generate weak monster
+                        monsters.addAll(getRandomMonstersID(0,1));
+                        volume+=10;
+                    }
+                }
+
+                Grasscutter.getLogger().info("Blossom Monsters:"+monsters);
+
+                activity = new BlossomActivity(entityGadget, monsters, -1, worldLevel);
+                blossomActivities.add(activity);
+            }
+            entityGadget.updateState(201);
+            scene.setChallenge(activity.getChallenge());
+            scene.removeEntity(entityGadget, VisionTypeOuterClass.VisionType.VISION_TYPE_REMOVE);
+            activity.start();
+            return true;
+        });
+        createdEntity.add(gadget);
+        notifyIcon();
+    }
+
+    public void notifyIcon() {
+        final int wl = getWorldLevel();
+        final int worldLevel = (wl < 0) ? 0 : ((wl > 8) ? 8 : wl);
+        final int monsterLevel = GameData.getWorldLevelDataMap().get(worldLevel).getMonsterLevel();
+        List<BlossomBriefInfoOuterClass.BlossomBriefInfo> blossoms = new ArrayList<>();
+        GameDepot.getSpawnLists().forEach((gridBlockId, spawnDataEntryList) -> {
+            int sceneId = gridBlockId.getSceneId();
+            spawnDataEntryList.stream()
+                .map(SpawnDataEntry::getGroup)
+                .map(SpawnGroupEntry::getSpawns)
+                .flatMap(List::stream)
+                .filter(spawn -> !blossomConsumed.contains(spawn))
+                .filter(spawn -> BlossomType.valueOf(spawn.getGadgetId()) != null)
+                .forEach(spawn -> {
+                    var type = BlossomType.valueOf(spawn.getGadgetId());
+                    int previewReward = getPreviewReward(type, worldLevel);
+                    blossoms.add(BlossomBriefInfoOuterClass.BlossomBriefInfo.newBuilder()
+                        .setSceneId(sceneId)
+                        .setPos(spawn.getPos().toProto())
+                        .setResin(20)
+                        .setMonsterLevel(monsterLevel)
+                        .setRewardId(previewReward)
+                        .setCircleCampId(type.getCircleCampId())
+                        .setRefreshId(type.getBlossomChestId())  // TODO: replace when using actual leylines
+                        .build()
+                    );
+                });
+        });
+        scene.broadcastPacket(new PacketBlossomBriefInfoNotify(blossoms));
+    }
+
+    public int getWorldLevel(){
+        return scene.getWorld().getWorldLevel();
+    }
+
+    private static Integer getPreviewReward(BlossomType type, int worldLevel) {
+        // TODO: blossoms should be based on their city
+        if (type == null) {
+            Grasscutter.getLogger().error("Illegal blossom type {}",type);
+            return null;
+        }
+
+        int blossomChestId = type.getBlossomChestId();
+        var dataMap = GameData.getBlossomRefreshExcelConfigDataMap();
+        for (var data : dataMap.values()) {
+            if (blossomChestId == data.getBlossomChestId()) {
+                var dropVecList = data.getDropVec();
+                if (worldLevel > dropVecList.length) {
+                    Grasscutter.getLogger().error("Illegal world level {}", worldLevel);
+                    return null;
+                }
+                return dropVecList[worldLevel].getPreviewReward();
+            }
+        }
+        Grasscutter.getLogger().error("Cannot find blossom type {}",type);
+        return null;
+    }
+
+    private static RewardPreviewData getRewardList(BlossomType type, int worldLevel) {
+        Integer previewReward = getPreviewReward(type, worldLevel);
+        if (previewReward == null) return null;
+        return GameData.getRewardPreviewDataMap().get((int) previewReward);
+    }
+
+    public List<GameItem> onReward(Player player, EntityGadget chest, boolean useCondensedResin) {
+        var resinManager = player.getResinManager();
+        synchronized (activeChests) {
+            var it = activeChests.iterator();
+            while (it.hasNext()) {
+                var activeChest = it.next();
+                if (activeChest.getChest() == chest) {
+                    boolean pay = useCondensedResin ? resinManager.useCondensedResin(1) : resinManager.useResin(20);
+                    if (pay) {
+                        int worldLevel = getWorldLevel();
+                        List<GameItem> items = new ArrayList<>();
+                        var gadget = activeChest.getGadget();
+                        var type = BlossomType.valueOf(gadget.getGadgetId());
+                        RewardPreviewData blossomRewards = getRewardList(type, worldLevel);
+                        if (blossomRewards == null) {
+                            Grasscutter.getLogger().error("Blossom could not support world level : "+worldLevel);
+                            return null;
+                        }
+                        var rewards = blossomRewards.getPreviewItems();
+                        for (ItemParamData blossomReward : rewards) {
+                            int rewardCount = blossomReward.getCount();
+                            if (useCondensedResin) {
+                                rewardCount += blossomReward.getCount();  // Double!
+                            }
+                            items.add(new GameItem(blossomReward.getItemId(),rewardCount));
+                        }
+                        it.remove();
+                        recycleGadgetEntity(List.of(gadget));
+                        blossomConsumed.add(gadget.getSpawnEntry());
+                        return items;
+                    }
+                    return null;
+                }
+            }
+        }
+        return null;
+    }
+
+    public static IntList getRandomMonstersID(int difficulty,int count){
+      IntList result = new IntArrayList();
+      List<Integer> monsters = GameDepot.getBlossomConfig().getMonsterIdsPerDifficulty().get(difficulty);
+        for(int i=0; i<count; i++){
+            result.add((int) monsters.get(Utils.randomRange(0, monsters.size()-1)));
+        }
+        return result;
+    }
+}

src/main/java/emu/grasscutter/game/managers/blossom/BlossomType.java

@@ -0,0 +1,37 @@
+package emu.grasscutter.game.managers.blossom;
+
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import emu.grasscutter.utils.Utils;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import lombok.Getter;
+
+public enum BlossomType {
+    GOLD(70360056, 101001001, 1),
+    BLUE(70360057, 101002003, 2);
+
+    @Getter private final int gadgetId;
+    @Getter private final int circleCampId;
+    @Getter private final int blossomChestId;
+
+    BlossomType(int gadgetId, int circleCampId, int blossomChestId) {
+        this.gadgetId = gadgetId;
+        this.circleCampId = circleCampId;
+        this.blossomChestId = blossomChestId;
+    }
+
+    private static final Int2ObjectMap<BlossomType> map = new Int2ObjectOpenHashMap<>(
+        Stream.of(values()).collect(Collectors.toMap(x -> x.getGadgetId(), x -> x))
+    );
+
+    public static BlossomType valueOf(int i) {
+        return map.get(i);
+    }
+
+    public static BlossomType random() {
+        BlossomType[] values = values();
+        return values[Utils.randomRange(0, values.length)];
+    }
+}

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

@@ -8,6 +8,8 @@ import emu.grasscutter.data.excels.*;
 import emu.grasscutter.game.avatar.Avatar;
 import emu.grasscutter.game.dungeons.DungeonSettleListener;
 import emu.grasscutter.game.entity.*;
+import emu.grasscutter.game.entity.gadget.GadgetWorktop;
+import emu.grasscutter.game.managers.blossom.BlossomManager;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.player.TeamInfo;
 import emu.grasscutter.game.props.FightProperty;
@@ -17,6 +19,7 @@ import emu.grasscutter.game.quest.QuestGroupSuite;
 import emu.grasscutter.game.dungeons.challenge.WorldChallenge;
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.proto.AttackResultOuterClass.AttackResult;
+import emu.grasscutter.net.proto.SelectWorktopOptionReqOuterClass;
 import emu.grasscutter.net.proto.VisionTypeOuterClass.VisionType;
 import emu.grasscutter.scripts.SceneIndexManager;
 import emu.grasscutter.scripts.SceneScriptManager;
@@ -25,6 +28,8 @@ import emu.grasscutter.scripts.data.SceneGadget;
 import emu.grasscutter.scripts.data.SceneGroup;
 import emu.grasscutter.server.packet.send.*;
 import emu.grasscutter.utils.Position;
+import lombok.Getter;
+import lombok.Setter;
 
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
@@ -32,25 +37,26 @@ import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.stream.Collectors;
 
 public class Scene {
-    private final World world;
+    @Getter private final World world;
-    private final SceneData sceneData;
+    @Getter private final SceneData sceneData;
-    private final List<Player> players;
+    @Getter private final List<Player> players;
-    private final Map<Integer, GameEntity> entities;
+    @Getter private final Map<Integer, GameEntity> entities;
-    private final Set<SpawnDataEntry> spawnedEntities;
+    @Getter private final Set<SpawnDataEntry> spawnedEntities;
-    private final Set<SpawnDataEntry> deadSpawnedEntities;
+    @Getter private final Set<SpawnDataEntry> deadSpawnedEntities;
-    private final Set<SceneBlock> loadedBlocks;
+    @Getter private final Set<SceneBlock> loadedBlocks;
+    @Getter private final BlossomManager blossomManager;
     private Set<SpawnDataEntry.GridBlockId> loadedGridBlocks;
-    private boolean dontDestroyWhenEmpty;
+    @Getter @Setter private boolean dontDestroyWhenEmpty;
 
-    private int autoCloseTime;
+    @Getter @Setter private int autoCloseTime;
-    private int time;
+    @Getter private int time;
 
-    private SceneScriptManager scriptManager;
+    @Getter private SceneScriptManager scriptManager;
-    private WorldChallenge challenge;
+    @Getter @Setter private WorldChallenge challenge;
-    private List<DungeonSettleListener> dungeonSettleListeners;
+    @Getter private List<DungeonSettleListener> dungeonSettleListeners;
-    private DungeonData dungeonData;
+    @Getter private DungeonData dungeonData;
-    private int prevScene; // Id of the previous scene
+    @Getter @Setter private int prevScene; // Id of the previous scene
-    private int prevScenePoint;
+    @Getter @Setter private int prevScenePoint;
     private Set<SceneNpcBornEntry> npcBornEntrySet;
     public Scene(World world, SceneData sceneData) {
         this.world = world;
@@ -67,36 +73,21 @@ public class Scene {
         this.loadedGridBlocks = new HashSet<>();
         this.npcBornEntrySet = ConcurrentHashMap.newKeySet();
         this.scriptManager = new SceneScriptManager(this);
+        this.blossomManager = new BlossomManager(this);
     }
 
     public int getId() {
         return sceneData.getId();
     }
 
-    public World getWorld() {
-        return world;
-    }
-
-    public SceneData getSceneData() {
-        return this.sceneData;
-    }
-
     public SceneType getSceneType() {
         return getSceneData().getSceneType();
     }
 
-    public List<Player> getPlayers() {
-        return players;
-    }
-
     public int getPlayerCount() {
         return this.getPlayers().size();
     }
 
-    public Map<Integer, GameEntity> getEntities() {
-        return entities;
-    }
-
     public GameEntity getEntityById(int id) {
         return this.entities.get(id);
     }
@@ -107,72 +98,11 @@ public class Scene {
                 .findFirst()
                 .orElse(null);
     }
-    /**
-     * @return the autoCloseTime
-     */
-    public int getAutoCloseTime() {
-        return autoCloseTime;
-    }
-
-    /**
-     * @param autoCloseTime the autoCloseTime to set
-     */
-    public void setAutoCloseTime(int autoCloseTime) {
-        this.autoCloseTime = autoCloseTime;
-    }
-
-    public int getTime() {
-        return time;
-    }
 
     public void changeTime(int time) {
         this.time = time % 1440;
     }
 
-    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;
-    }
-
-    public void setDontDestroyWhenEmpty(boolean dontDestroyWhenEmpty) {
-        this.dontDestroyWhenEmpty = dontDestroyWhenEmpty;
-    }
-
-    public Set<SceneBlock> getLoadedBlocks() {
-        return loadedBlocks;
-    }
-
-    public Set<SpawnDataEntry> getSpawnedEntities() {
-        return spawnedEntities;
-    }
-
-    public Set<SpawnDataEntry> getDeadSpawnedEntities() {
-        return deadSpawnedEntities;
-    }
-
-    public SceneScriptManager getScriptManager() {
-        return scriptManager;
-    }
-
-    public DungeonData getDungeonData() {
-        return dungeonData;
-    }
-
     public void setDungeonData(DungeonData dungeonData) {
         if (dungeonData == null || this.dungeonData != null || this.getSceneType() != SceneType.SCENE_DUNGEON || dungeonData.getSceneId() != this.getId()) {
             return;
@@ -180,14 +110,6 @@ public class Scene {
         this.dungeonData = dungeonData;
     }
 
-    public WorldChallenge getChallenge() {
-        return challenge;
-    }
-
-    public void setChallenge(WorldChallenge challenge) {
-        this.challenge = challenge;
-    }
-
     public void addDungeonSettleObserver(DungeonSettleListener dungeonSettleListener) {
         if (dungeonSettleListeners == null) {
             dungeonSettleListeners = new ArrayList<>();
@@ -195,10 +117,6 @@ public class Scene {
         dungeonSettleListeners.add(dungeonSettleListener);
     }
 
-    public List<DungeonSettleListener> getDungeonSettleObservers() {
-        return dungeonSettleListeners;
-    }
-
     public boolean isInScene(GameEntity entity) {
         return this.entities.containsKey(entity.getId());
     }
@@ -241,7 +159,7 @@ public class Scene {
         }
 
         // Deregister scene if not in use
-        if (this.getPlayerCount() <= 0 && !this.dontDestroyWhenEmpty()) {
+        if (this.getPlayerCount() <= 0 && !this.dontDestroyWhenEmpty) {
             this.getWorld().deregisterScene(this);
         }
     }
@@ -434,6 +352,8 @@ public class Scene {
             challenge.onCheckTimeOut();
         }
 
+        blossomManager.onTick();
+
         checkNpcGroup();
     }
 
@@ -527,11 +447,12 @@ public class Scene {
                     }
                     gadget.buildContent();
 
-                    gadget.setFightProperty(FightProperty.FIGHT_PROP_BASE_HP, 99999);
+                    gadget.setFightProperty(FightProperty.FIGHT_PROP_BASE_HP, Float.POSITIVE_INFINITY);
-                    gadget.setFightProperty(FightProperty.FIGHT_PROP_CUR_HP, 99999);
+                    gadget.setFightProperty(FightProperty.FIGHT_PROP_CUR_HP, Float.POSITIVE_INFINITY);
-                    gadget.setFightProperty(FightProperty.FIGHT_PROP_MAX_HP, 99999);
+                    gadget.setFightProperty(FightProperty.FIGHT_PROP_MAX_HP, Float.POSITIVE_INFINITY);
 
                     entity = gadget;
+                    blossomManager.initBlossom(gadget);
                 }
 
                 if (entity == null) continue;
@@ -557,6 +478,7 @@ public class Scene {
         if (toRemove.size() > 0) {
             toRemove.stream().forEach(this::removeEntityDirectly);
             this.broadcastPacket(new PacketSceneEntityDisappearNotify(toRemove, VisionType.VISION_TYPE_REMOVE));
+            blossomManager.recycleGadgetEntity(toRemove);
         }
     }
 
@@ -825,4 +747,20 @@ public class Scene {
             scriptManager.addGroupSuite(group, suite);
         });
     }
+
+    public void selectWorktopOptionWith(SelectWorktopOptionReqOuterClass.SelectWorktopOptionReq req) {
+        GameEntity entity = getEntityById(req.getGadgetEntityId());
+        if (entity == null) {
+            return;
+        }
+        // Handle
+        if (entity instanceof EntityGadget gadget) {
+            if (gadget.getContent() instanceof GadgetWorktop worktop) {
+                boolean shouldDelete = worktop.onSelectWorktopOption(req);
+                if (shouldDelete) {
+                    entity.getScene().removeEntity(entity, VisionType.VISION_TYPE_REMOVE);
+                }
+            }
+        }
+    }
 }

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

@@ -5,62 +5,20 @@ import java.util.Objects;
 
 import emu.grasscutter.data.GameDepot;
 import emu.grasscutter.utils.Position;
+import lombok.Getter;
+import lombok.Setter;
 
 public class SpawnDataEntry {
-    private transient SpawnGroupEntry group;
+    @Getter @Setter private transient SpawnGroupEntry group;
-    private int monsterId;
+    @Getter private int monsterId;
-    private int gadgetId;
+    @Getter private int gadgetId;
-    private int configId;
+    @Getter private int configId;
-    private int level;
+    @Getter private int level;
-    private int poseId;
+    @Getter private int poseId;
-    private int gatherItemId;
+    @Getter private int gatherItemId;
-    private int gadgetState;
+    @Getter private int gadgetState;
-    private Position pos;
+    @Getter private Position pos;
-    private Position rot;
+    @Getter private Position rot;
-
-    public SpawnGroupEntry getGroup() {
-        return group;
-    }
-
-    public void setGroup(SpawnGroupEntry group) {
-        this.group = group;
-    }
-
-    public int getMonsterId() {
-        return monsterId;
-    }
-
-    public int getGadgetId() {
-        return gadgetId;
-    }
-
-    public int getGadgetState() {
-        return gadgetState;
-    }
-
-    public int getConfigId() {
-        return configId;
-    }
-
-    public int getLevel() {
-        return level;
-    }
-
-    public int getPoseId() {
-        return poseId;
-    }
-
-    public int getGatherItemId() {
-        return gatherItemId;
-    }
-
-    public Position getPos() {
-        return pos;
-    }
-
-    public Position getRot() {
-        return rot;
-    }
 
     public GridBlockId getBlockId() {
         int scale = GridBlockId.getScale(gadgetId);
@@ -71,37 +29,17 @@ public class SpawnDataEntry {
     }
 
     public static class SpawnGroupEntry {
-        private int sceneId;
+        @Getter private int sceneId;
-        private int groupId;
+        @Getter private int groupId;
-        private int blockId;
+        @Getter private int blockId;
-        private List<SpawnDataEntry> spawns;
+        @Getter @Setter private List<SpawnDataEntry> spawns;
-
-        public int getSceneId() {
-            return sceneId;
-        }
-
-        public int getGroupId() {
-            return groupId;
-        }
-
-        public int getBlockId() {
-            return blockId;
-        }
-
-        public void setBlockId(int blockId) {
-            this.blockId = blockId;
-        }
-
-        public List<SpawnDataEntry> getSpawns() {
-            return spawns;
-        }
     }
 
     public static class GridBlockId {
-        int sceneId;
+        @Getter private int sceneId;
-        int scale;
+        @Getter private int scale;
-        int x;
+        @Getter private int x;
-        int z;
+        @Getter private int z;
 
         public GridBlockId(int sceneId, int scale, int x, int z) {
             this.sceneId = sceneId;

src/main/java/emu/grasscutter/server/packet/recv/HandlerSelectWorktopOptionReq.java

@@ -13,20 +13,20 @@ import emu.grasscutter.server.packet.send.PacketSelectWorktopOptionRsp;
 
 @Opcodes(PacketOpcodes.SelectWorktopOptionReq)
 public class HandlerSelectWorktopOptionReq extends PacketHandler {
-	
+
 	@Override
 	public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
 		SelectWorktopOptionReq req = SelectWorktopOptionReq.parseFrom(payload);
-		
+
 		try {
 			GameEntity entity = session.getPlayer().getScene().getEntityById(req.getGadgetEntityId());
-			
+
-			if (entity == null || !(entity instanceof EntityGadget)) {
+			if (!(entity instanceof EntityGadget)) {
 				return;
 			}
-
+            session.getPlayer().getScene().selectWorktopOptionWith(req);
 			session.getPlayer().getScene().getScriptManager().callEvent(
-					EventType.EVENT_SELECT_OPTION, 
+					EventType.EVENT_SELECT_OPTION,
 					new ScriptArgs(entity.getConfigId(), req.getOptionId())
 			);
 		} finally {

src/main/java/emu/grasscutter/server/packet/send/PacketBlossomBriefInfoNotify.java

@@ -0,0 +1,13 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.BlossomBriefInfoNotifyOuterClass;
+import emu.grasscutter.net.proto.BlossomBriefInfoOuterClass;
+
+public class PacketBlossomBriefInfoNotify extends BasePacket {
+    public PacketBlossomBriefInfoNotify(Iterable<BlossomBriefInfoOuterClass.BlossomBriefInfo> blossoms) {
+        super(PacketOpcodes.BlossomBriefInfoNotify);
+        this.setData(BlossomBriefInfoNotifyOuterClass.BlossomBriefInfoNotify.newBuilder().addAllBriefInfoList(blossoms));
+    }
+}

src/main/java/emu/grasscutter/utils/Position.java

@@ -10,28 +10,28 @@ import emu.grasscutter.net.proto.VectorOuterClass.Vector;
 @Entity
 public class Position implements Serializable {
 	private static final long serialVersionUID = -2001232313615923575L;
-	
+
 	@SerializedName(value="x", alternate={"_x", "X"})
 	private float x;
-	
+
 	@SerializedName(value="y", alternate={"_y", "Y"})
 	private float y;
-	
+
 	@SerializedName(value="z", alternate={"_z", "Z"})
 	private float z;
-	
+
 	public Position() {
 
 	}
-	
+
 	public Position(float x, float y) {
 		set(x, y);
 	}
-	
+
 	public Position(float x, float y, float z) {
 		set(x, y, z);
 	}
-	
+
 	public Position(String p) {
 		String[] split = p.split(",");
 		if (split.length >= 2) {
@@ -42,7 +42,7 @@ public class Position implements Serializable {
 			this.z = Float.parseFloat(split[2]);
 		}
 	}
-	
+
 	public Position(Vector vector) {
 		this.set(vector);
 	}
@@ -66,7 +66,7 @@ public class Position implements Serializable {
 	public void setZ(float z) {
 		this.z = z;
 	}
-	
+
 	public float getY() {
 		return y;
 	}
@@ -74,22 +74,22 @@ public class Position implements Serializable {
 	public void setY(float y) {
 		this.y = y;
 	}
-	
+
 	public Position set(float x, float y) {
 		this.x = x;
 		this.y = y;
 		return this;
 	}
-	
+
 	// Deep copy
 	public Position set(Position pos) {
 		return this.set(pos.getX(), pos.getY(), pos.getZ());
 	}
-	
+
 	public Position set(Vector pos) {
 		return this.set(pos.getX(), pos.getY(), pos.getZ());
 	}
-	
+
 	public Position set(float x, float y, float z) {
 		this.x = x;
 		this.y = y;
@@ -103,17 +103,17 @@ public class Position implements Serializable {
 		this.z += add.getZ();
 		return this;
 	}
-	
+
 	public Position addX(float d) {
 		this.x += d;
 		return this;
 	}
-	
+
 	public Position addY(float d) {
 		this.y += d;
 		return this;
 	}
-	
+
 	public Position addZ(float d) {
 		this.z += d;
 		return this;
@@ -125,7 +125,7 @@ public class Position implements Serializable {
 		this.z -= sub.getZ();
 		return this;
 	}
-	
+
 	/** In radians
 	 * */
 	public Position translate(float dist, float angle) {
@@ -149,13 +149,20 @@ public class Position implements Serializable {
 		double detZ = getZ()-b.getZ();
 		return Math.sqrt(detX*detX+detY*detY+detZ*detZ);
 	}
+
+    public Position nearby2d(int range){
+        Position position = clone();
+        position.z += (float)Utils.randomRange(-range,range)/10;
+        position.x += (float)Utils.randomRange(-range,range)/10;
+        return position;
+    }
 	public Position translateWithDegrees(float dist, float angle) {
 		angle = (float) Math.toRadians(angle);
 		this.x += dist * Math.sin(angle);
 		this.y += -dist * Math.cos(angle);
 		return this;
 	}
-	
+
 	@Override
 	public Position clone() {
 		return new Position(x, y, z);
@@ -165,7 +172,7 @@ public class Position implements Serializable {
 	public String toString() {
 		return "(" + this.getX() + ", " + this.getY() + ", " + this.getZ() + ")";
 	}
-	
+
 	public Vector toProto() {
 		return Vector.newBuilder()
 			.setX(this.getX())

src/main/resources/defaults/data/BlossomConfig.json

@@ -0,0 +1,8 @@
+{
+  "monsterFightingVolume": 100,
+  "monsterIdsPerDifficulty": {
+    "0": [21010101, 20010101, 20010201, 20010202, 20010301, 20010401, 20010403, 20010501, 20010601, 20010604, 20010701, 20010702, 20010801, 20010802, 20010901, 20010902, 20010904, 20011001, 20011101, 20011103, 20011601, 20011701, 20011801, 20011901, 20050201, 20050202, 20050203, 20050301, 20050302, 20050401, 20050402, 20050403, 20050501, 20050502, 20050601, 20050602, 20050603, 20050701, 20050702, 20050703, 20050801, 20050802, 20050901, 21010201, 21010301, 21010401, 21010402, 21010501, 21010502, 21010601, 21010603, 21010701, 21010901, 21010902, 21011001, 21011002, 21011201, 21011301, 21011302, 21011401, 21011403, 21011501, 21011601, 21011602, 20011201, 20011202, 20011301, 20011304, 20011401, 20011501, 20011502, 25010101, 25010102, 25010103, 25010104, 25010105, 25010106, 25010201, 25010203, 25010204, 25010205, 25010206, 25010207, 25010208, 25010701, 25020101, 25020102, 25020201, 25020204, 25030101, 25030102, 25030103, 25030201, 25030301, 25040101, 25040102, 25040103, 25050101, 25050201, 25050301, 25050401, 25050402, 25050501, 25050502, 25060101, 25060102, 25070101, 25070201, 25070202, 21010102, 20010302, 20010402, 20010502, 20010602, 20010703, 20010803, 20010903, 20011002, 20011102, 21010302, 21010702, 21011202, 21011402, 20011203, 20011302, 20011402, 20011503, 21030102, 21030202, 21030302, 21030403, 21030502, 21030602],
+    "1": [21020101, 21020201, 21020202, 21020301, 21020601, 21020701, 21020703, 21030101, 21030103, 21030201, 21030203, 21030301, 21030303, 21030304, 21030401, 21030402, 21030501, 21030601, 21030603, 25010301, 25010302, 25010401, 25010501, 25010601, 26010101, 26010102, 26010201, 26010301, 21020102, 21020203, 21020702, 21020302, 21020602],
+    "2": [21020401, 21020501, 21020801, 20020101, 20070101, 22010101, 22010102, 22010103, 22010104, 22010201, 22010202, 22010203, 22010204, 22010301, 22010302, 22010303, 22010304, 22010401, 22010403, 22010404, 24010101, 24010201, 23010101, 23010201, 23010301, 23010401, 23010501, 23010601, 23020101, 23020102, 23030101, 23030102, 23040101, 23040102, 23050101, 20060101, 20060201, 20060301, 20060401, 20060501, 20060601, 21020402, 21020502, 21020802, 22010105, 22010205, 22010305, 22010402]
+  }
+}