3.4

api/src/main/java/net/momirealms/customcrops/api/CustomCropsAPI.java

@@ -1,133 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customcrops.api;
-
-import net.momirealms.customcrops.api.object.CCGrowingCrop;
-import net.momirealms.customcrops.api.object.CCPot;
-import net.momirealms.customcrops.api.object.CCSprinkler;
-import net.momirealms.customcrops.api.object.CCWorldSeason;
-import org.bukkit.Location;
-import org.bukkit.World;
-
-import javax.annotation.Nullable;
-
-public interface CustomCropsAPI {
-
-    /**
-     * Get the pot instance at the specified location
-     * In order to reduce the memory usage, pot data would be removed
-     * if it has no water and no fertilizer
-     * But if "only-work-in-loaded-chunks" is true, pot data would not be removed
-     * @param location location
-     * @return pot
-     */
-    @Nullable
-    CCPot getPotAt(Location location);
-
-    /**
-     * Get the on growing crop at the specified location
-     * It would be null if the crop already comes to its final stage
-     * @param location location
-     * @return on growing crop
-     */
-    @Nullable
-    CCGrowingCrop getCropAt(Location location);
-
-    /**
-     * If the block is a greenhouse glass in data
-     * It would return false if your greenhouse glass lost due to server crash
-     * @param location location
-     * @return whether the block is greenhouse glass
-     */
-    boolean isGreenhouseGlass(Location location);
-
-    /**
-     * If the chunk has a scarecrow
-     * @param location location
-     * @return has scarecrow or not
-     */
-    boolean hasScarecrowInChunk(Location location);
-
-    /**
-     * Get the sprinkler at the specified location
-     * It would be null if the sprinkler run out of water
-     * @param location location
-     * @return sprinkler
-     */
-    @Nullable
-    CCSprinkler getSprinklerAt(Location location);
-
-    /**
-     * Set the world's season
-     * @param world world
-     * @param season season
-     */
-    void setSeason(String world, String season);
-
-    /**
-     * Set the world's date
-     * @param world world
-     * @param date date
-     */
-    void setDate(String world, int date);
-
-    /**
-     * Add a world's date
-     * @param world world
-     */
-    void addDate(String world);
-
-    /**
-     * Get a world's season
-     * @param world world
-     * @return season
-     */
-    @Nullable
-    CCWorldSeason getSeason(String world);
-
-    /**
-     * Force the crops to grow in specified seconds
-     * @param world world
-     * @param seconds time
-     */
-    void grow(World world, int seconds);
-
-    /**
-     * Force the sprinkler to work in specified seconds
-     * @param world world
-     * @param seconds time
-     */
-    void sprinklerWork(World world, int seconds);
-
-    /**
-     * Force the pots to reduce water and consume fertilizer in specified seconds
-     * @param world world
-     * @param seconds time
-     */
-    void consume(World world, int seconds);
-
-    /**
-     * Get the api instance
-     * It would be null if the plugin is not enabled
-     * @return api
-     */
-    @Nullable
-    static CustomCropsAPI getInstance() {
-        return CustomCropsPlugin.getInstance().getAPI();
-    }
-}

api/src/main/java/net/momirealms/customcrops/api/CustomCropsPlugin.java

@@ -17,19 +17,107 @@
 
 package net.momirealms.customcrops.api;
 
+import net.momirealms.customcrops.api.manager.*;
+import net.momirealms.customcrops.api.scheduler.Scheduler;
 import org.bukkit.plugin.java.JavaPlugin;
 
 public abstract class CustomCropsPlugin extends JavaPlugin {
 
     protected static CustomCropsPlugin instance;
+    protected VersionManager versionManager;
+    protected ConfigManager configManager;
+    protected Scheduler scheduler;
+    protected RequirementManager requirementManager;
+    protected ActionManager actionManager;
+    protected IntegrationManager integrationManager;
+    protected CoolDownManager coolDownManager;
+    protected WorldManager worldManager;
+    protected ItemManager itemManager;
+    protected AdventureManager adventure;
+    protected MessageManager messageManager;
+    protected ConditionManager conditionManager;
+    protected PlaceholderManager placeholderManager;
 
-    protected CustomCropsAPI customCropsAPI;
-
-    public CustomCropsAPI getAPI() {
-        return customCropsAPI;
+    public CustomCropsPlugin() {
+        instance = this;
     }
 
     public static CustomCropsPlugin getInstance() {
         return instance;
     }
+
+    public static CustomCropsPlugin get() {
+        return instance;
+    }
+
+    /* Get version manager */
+    public VersionManager getVersionManager() {
+        return versionManager;
+    }
+
+    /* Get config manager */
+    public ConfigManager getConfigManager() {
+        return configManager;
+    }
+
+    /* Get scheduler */
+    public Scheduler getScheduler() {
+        return scheduler;
+    }
+
+    /* Get requirement manager */
+    public RequirementManager getRequirementManager() {
+        return requirementManager;
+    }
+
+    /* Get integration manager */
+    public IntegrationManager getIntegrationManager() {
+        return integrationManager;
+    }
+
+    /* Get action manager */
+    public ActionManager getActionManager() {
+        return actionManager;
+    }
+
+    /* Get cool down manager */
+    public CoolDownManager getCoolDownManager() {
+        return coolDownManager;
+    }
+
+    /* Get world data manager */
+    public WorldManager getWorldManager() {
+        return worldManager;
+    }
+
+    /* Get item manager */
+    public ItemManager getItemManager() {
+        return itemManager;
+    }
+
+    /* Get message manager */
+    public MessageManager getMessageManager() {
+        return messageManager;
+    }
+
+    /* Get adventure manager */
+    public AdventureManager getAdventure() {
+        return adventure;
+    }
+
+    /* Get condition manager */
+    public ConditionManager getConditionManager() {
+        return conditionManager;
+    }
+
+    /* Get placeholder manager */
+    public PlaceholderManager getPlaceholderManager() {
+        return placeholderManager;
+    }
+
+    public abstract boolean isHookedPluginEnabled(String plugin);
+
+    public abstract void debug(String debug);
+
+    public abstract void reload();
 }

api/src/main/java/net/momirealms/customcrops/api/common/Initable.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.common;
+
+public interface Initable {
+
+    void init();
+
+    void disable();
+}

api/src/main/java/net/momirealms/customcrops/api/common/Pair.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.common;
+
+public record Pair<L, R>(L left, R right) {
+
+    public static <L, R> Pair<L, R> of(final L left, final R right) {
+        return new Pair<>(left, right);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/common/Property.java

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.common;
+
+public interface Property<T> {
+    T get();
+    void set(T value);
+}

api/src/main/java/net/momirealms/customcrops/api/common/Reloadable.java

@@ -0,0 +1,40 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.common;
+
+public interface Reloadable extends Initable {
+
+    @Override
+    default void init() {
+        load();
+    }
+
+    void load();
+
+    void unload();
+
+    @Override
+    default void disable() {
+        unload();
+    }
+
+    default void reload() {
+        unload();
+        load();
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/common/Tuple.java

@@ -0,0 +1,59 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.common;
+
+public class Tuple<L, M, R> {
+
+    private L left;
+    private M mid;
+    private R right;
+
+    public Tuple(L left, M mid, R right) {
+        this.left = left;
+        this.mid = mid;
+        this.right = right;
+    }
+
+    public static <L, M, R> Tuple<L, M, R> of(final L left, final M mid, final R right) {
+        return new Tuple<>(left, mid, right);
+    }
+
+    public L getLeft() {
+        return left;
+    }
+
+    public void setLeft(L left) {
+        this.left = left;
+    }
+
+    public M getMid() {
+        return mid;
+    }
+
+    public void setMid(M mid) {
+        this.mid = mid;
+    }
+
+    public R getRight() {
+        return right;
+    }
+
+    public void setRight(R right) {
+        this.right = right;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/common/item/EventItem.java

@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.common.item;
+
+import net.momirealms.customcrops.api.mechanic.action.ActionTrigger;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+
+public interface EventItem {
+
+    void trigger(ActionTrigger actionTrigger, State state);
+
+}

api/src/main/java/net/momirealms/customcrops/api/common/item/KeyItem.java

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.common.item;
+
+public interface KeyItem {
+
+    String getKey();
+}

api/src/main/java/net/momirealms/customcrops/api/event/CropBreakEvent.java

@@ -17,36 +17,33 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.world.level.WorldCrop;
 import org.bukkit.Location;
-import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
-import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
  * An event that triggered when breaking a crop
  */
-public class CropBreakEvent extends Event implements Cancellable {
+public class CropBreakEvent extends PlayerEvent implements Cancellable {
 
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
-    private final String cropItemID;
-    private final String cropKey;
     private final Location location;
-    private final Entity entity;
+    private final WorldCrop worldCrop;
 
     public CropBreakEvent(
-            @Nullable Entity entity,
-            @NotNull String cropKey,
-            @NotNull String cropItemID,
-            @NotNull Location location
+            @NotNull Player player,
+            @NotNull Location location,
+            @Nullable WorldCrop worldCrop
     ) {
-        this.entity = entity;
-        this.cropItemID = cropItemID;
+        super(player);
         this.location = location;
-        this.cropKey = cropKey;
+        this.worldCrop = worldCrop;
     }
 
     @Override
@@ -71,12 +68,12 @@ public class CropBreakEvent extends Event implements Cancellable {
     }
 
     /**
-     * Get the crop item id in IA/Oraxen
-     * @return item id
+     * Get the crop's data, it might be null if it's spawned by other plugins in the wild
+     * @return crop data
      */
-    @NotNull
-    public String getCropItemID() {
-        return cropItemID;
+    @Nullable
+    public WorldCrop getWorldCrop() {
+        return worldCrop;
     }
 
     /**
@@ -87,22 +84,4 @@ public class CropBreakEvent extends Event implements Cancellable {
     public Location getLocation() {
         return location;
     }
-
-    /**
-     * Would be null if the crop is not broken by an entity
-     * @return entity
-     */
-    @Nullable
-    public Entity getEntity() {
-        return entity;
-    }
-
-    /**
-     * Get the crop config key
-     * @return crop key
-     */
-    @NotNull
-    public String getCropKey() {
-        return cropKey;
-    }
 }

api/src/main/java/net/momirealms/customcrops/api/event/CropInteractEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.world.level.WorldCrop;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -24,6 +25,7 @@ import org.bukkit.event.HandlerList;
 import org.bukkit.event.player.PlayerEvent;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * An event that triggered when a player interacts a crop
@@ -33,21 +35,18 @@ public class CropInteractEvent extends PlayerEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
     private final Location location;
-    private final String cropItemID;
-    private final String cropKey;
+    private final WorldCrop crop;
     private final ItemStack itemInHand;
 
     public CropInteractEvent(
             @NotNull Player who,
             @NotNull ItemStack itemInHand,
             @NotNull Location location,
-            @NotNull String cropItemID,
-            @NotNull String cropKey
+            @Nullable WorldCrop crop
     ) {
         super(who);
-        this.cropItemID = cropItemID;
         this.location = location;
-        this.cropKey = cropKey;
+        this.crop = crop;
         this.itemInHand = itemInHand;
     }
 
@@ -92,20 +91,11 @@ public class CropInteractEvent extends PlayerEvent implements Cancellable {
     }
 
     /**
-     * Get the crop model item id
-     * @return model item id
+     * Get the crop's data, it might be null if it's spawned by other plugins in the wild
+     * @return crop data
      */
-    @NotNull
-    public String getCropItemID() {
-        return cropItemID;
-    }
-
-    /**
-     * Get the crop config key
-     * @return crop key
-     */
-    @NotNull
-    public String getCropKey() {
-        return cropKey;
+    @Nullable
+    public WorldCrop getCrop() {
+        return crop;
     }
 }

api/src/main/java/net/momirealms/customcrops/api/event/CropPlantEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.item.Crop;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -33,25 +34,22 @@ public class CropPlantEvent extends PlayerEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
     private final ItemStack itemInHand;
-    private final String cropKey;
+    private final Crop crop;
     private final Location location;
     private int point;
-    private String cropItemID;
 
     public CropPlantEvent(
             @NotNull Player who,
             @NotNull ItemStack itemInHand,
             @NotNull Location location,
-            @NotNull String cropKey,
-            int point,
-            @NotNull String cropItemID
+            @NotNull Crop crop,
+            int point
     ) {
         super(who);
         this.itemInHand = itemInHand;
         this.location = location;
-        this.cropKey = cropKey;
+        this.crop = crop;
         this.point = point;
-        this.cropItemID = cropItemID;
     }
 
     @Override
@@ -85,16 +83,18 @@ public class CropPlantEvent extends PlayerEvent implements Cancellable {
     }
 
     /**
-     * Get the crop config key
-     * @return crop key
+     * Get the crop's config
+     *
+     * @return crop
      */
     @NotNull
-    public String getCropKey() {
-        return cropKey;
+    public Crop getCrop() {
+        return crop;
     }
 
     /**
-     * Get the crop location
+     * Get the crop's location
+     *
      * @return location
      */
     @NotNull
@@ -105,7 +105,7 @@ public class CropPlantEvent extends PlayerEvent implements Cancellable {
     /**
      * Get the initial point
      * It would be 0 when planting
-     * but might be a value higher than 0 when replanting
+     *
      * @return point
      */
     public int getPoint() {
@@ -119,21 +119,4 @@ public class CropPlantEvent extends PlayerEvent implements Cancellable {
     public void setPoint(int point) {
         this.point = point;
     }
-
-    /**
-     * Get the crop stage model item id
-     * @return crop model
-     */
-    @NotNull
-    public String getCropModel() {
-        return cropItemID;
-    }
-
-    /**
-     * Set the crop model item id
-     * @param cropItemID crop model item id
-     */
-    public void setCropModel(String cropItemID) {
-        this.cropItemID = cropItemID;
-    }
 }

api/src/main/java/net/momirealms/customcrops/api/event/CustomCropsReloadEvent.java

@@ -0,0 +1,47 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.event;
+
+import net.momirealms.customcrops.api.CustomCropsPlugin;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+public class CustomCropsReloadEvent extends Event {
+
+    private static final HandlerList handlerList = new HandlerList();
+    private final CustomCropsPlugin plugin;
+
+    public CustomCropsReloadEvent(CustomCropsPlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlerList;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return getHandlerList();
+    }
+
+    public CustomCropsPlugin getPluginInstance() {
+        return plugin;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/event/FertilizerUseEvent.java

@@ -1,98 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customcrops.api.event;
-
-import org.bukkit.Location;
-import org.bukkit.entity.Player;
-import org.bukkit.event.Cancellable;
-import org.bukkit.event.HandlerList;
-import org.bukkit.event.player.PlayerEvent;
-import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * An event that triggered when player is using fertilizers
- */
-public class FertilizerUseEvent extends PlayerEvent implements Cancellable {
-
-    private static final HandlerList handlers = new HandlerList();
-    private boolean cancelled;
-    private final ItemStack itemInHand;
-    private final String fertilizerKey;
-    private final Location location;
-
-    public FertilizerUseEvent(
-            @NotNull Player who,
-            @NotNull ItemStack itemInHand,
-            @NotNull String fertilizerKey,
-            @NotNull Location location
-    ) {
-        super(who);
-        this.itemInHand = itemInHand;
-        this.fertilizerKey = fertilizerKey;
-        this.location = location;
-    }
-
-    @Override
-    public boolean isCancelled() {
-        return cancelled;
-    }
-
-    @Override
-    public void setCancelled(boolean cancel) {
-        this.cancelled = cancel;
-    }
-
-    /**
-     * Get the fertilizer item in hand
-     * @return fertilizer itemStack
-     */
-    @NotNull
-    public ItemStack getItemInHand() {
-        return itemInHand;
-    }
-
-    /**
-     * Get the fertilizer config key
-     * @return fertilizer key
-     */
-    @NotNull
-    public String getFertilizerKey() {
-        return fertilizerKey;
-    }
-
-    /**
-     * Get the pot location
-     * @return location
-     */
-    @NotNull
-    public Location getLocation() {
-        return location;
-    }
-
-    @NotNull
-    public static HandlerList getHandlerList() {
-        return handlers;
-    }
-
-    @NotNull
-    @Override
-    public HandlerList getHandlers() {
-        return getHandlerList();
-    }
-}

api/src/main/java/net/momirealms/customcrops/api/event/PotBreakEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.world.level.WorldPot;
 import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.event.Cancellable;
@@ -33,17 +34,17 @@ public class PotBreakEvent extends Event implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
     private final Location location;
-    private final String potKey;
+    private final WorldPot pot;
     private final Entity entity;
 
     public PotBreakEvent(
             @Nullable Entity entity,
             @NotNull Location location,
-            @NotNull String potKey
+            @NotNull WorldPot pot
     ) {
         this.entity = entity;
         this.location = location;
-        this.potKey = potKey;
+        this.pot = pot;
     }
 
     @Override
@@ -76,13 +77,14 @@ public class PotBreakEvent extends Event implements Cancellable {
         return location;
     }
 
+
     /**
-     * Get the pot config key
-     * @return pot key
+     * Get the pot's data
+     * @return pot
      */
     @NotNull
-    public String getPotKey() {
-        return potKey;
+    public WorldPot getPot() {
+        return pot;
     }
 
     /**
@@ -93,4 +95,4 @@ public class PotBreakEvent extends Event implements Cancellable {
     public Entity getEntity() {
         return entity;
     }
-}
+}

api/src/main/java/net/momirealms/customcrops/api/event/PotInfoEvent.java

@@ -1,116 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customcrops.api.event;
-
-import net.momirealms.customcrops.api.object.CCFertilizer;
-import net.momirealms.customcrops.api.object.CCGrowingCrop;
-import org.bukkit.Location;
-import org.bukkit.entity.Player;
-import org.bukkit.event.HandlerList;
-import org.bukkit.event.player.PlayerEvent;
-import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-/**
- * This event is called after a player interacted a pot
- * So the fertilizer/water would be updated
- */
-public class PotInfoEvent extends PlayerEvent {
-
-    private static final HandlerList handlers = new HandlerList();
-    private final CCFertilizer fertilizer;
-    private final int water;
-    private final CCGrowingCrop growingCrop;
-    private final ItemStack itemInHand;
-    private final Location location;
-
-
-    public PotInfoEvent(
-            @NotNull Player who,
-            @NotNull Location location,
-            @NotNull ItemStack itemInHand,
-            @Nullable CCFertilizer fertilizer,
-            int water,
-            @Nullable CCGrowingCrop growingCrop
-    ) {
-        super(who);
-        this.fertilizer = fertilizer;
-        this.water = water;
-        this.growingCrop = growingCrop;
-        this.itemInHand = itemInHand;
-        this.location = location;
-    }
-
-    @NotNull
-    public static HandlerList getHandlerList() {
-        return handlers;
-    }
-
-    @NotNull
-    @Override
-    public HandlerList getHandlers() {
-        return getHandlerList();
-    }
-
-    /**
-     * Get the fertilizer
-     * @return fertilizer
-     */
-    @Nullable
-    public CCFertilizer getFertilizer() {
-        return fertilizer;
-    }
-
-    /**
-     * Get the water amount
-     * @return water amount
-     */
-    public int getWater() {
-        return water;
-    }
-
-    /**
-     * Get the on growing crop above the pot
-     * It would be null if there's no crop or the crop is already ripe
-     * @return crop
-     */
-    @Nullable
-    public CCGrowingCrop getGrowingCrop() {
-        return growingCrop;
-    }
-
-    /**
-     * Get the item in player's hand
-     * If there's nothing in hand, it would return AIR
-     * @return item in hand
-     */
-    @NotNull
-    public ItemStack getItemInHand() {
-        return itemInHand;
-    }
-
-    /**
-     * Get the pot location
-     * @return location
-     */
-    @NotNull
-    public Location getLocation() {
-        return location;
-    }
-}

api/src/main/java/net/momirealms/customcrops/api/event/PotInteractEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.world.level.WorldPot;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -34,18 +35,18 @@ public class PotInteractEvent extends PlayerEvent implements Cancellable {
     private boolean cancelled;
     private final ItemStack itemInHand;
     private final Location location;
-    private final String potKey;
+    private final WorldPot pot;
 
     public PotInteractEvent(
             @NotNull Player who,
             @NotNull ItemStack itemInHand,
             @NotNull Location location,
-            @NotNull String potKey
+            @NotNull WorldPot pot
     ) {
         super(who);
         this.itemInHand = itemInHand;
         this.location = location;
-        this.potKey = potKey;
+        this.pot = pot;
     }
 
     @Override
@@ -93,11 +94,11 @@ public class PotInteractEvent extends PlayerEvent implements Cancellable {
     }
 
     /**
-     * Get the pot's config key
+     * Get the pot's data
      * @return pot key
      */
     @NotNull
-    public String getPotKey() {
-        return potKey;
+    public WorldPot getPot() {
+        return pot;
     }
 }

api/src/main/java/net/momirealms/customcrops/api/event/PotPlaceEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.item.Pot;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -32,16 +33,16 @@ public class PotPlaceEvent extends PlayerEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
     private final Location location;
-    private final String potKey;
+    private final Pot pot;
 
     public PotPlaceEvent(
             @NotNull Player who,
             @NotNull Location location,
-            @NotNull String potKey
+            @NotNull Pot pot
     ) {
         super(who);
         this.location = location;
-        this.potKey = potKey;
+        this.pot = pot;
     }
 
     @Override
@@ -75,11 +76,11 @@ public class PotPlaceEvent extends PlayerEvent implements Cancellable {
     }
 
     /**
-     * Get the placed pot config key
-     * @return pot key
+     * Get the placed pot's config
+     * @return pot
      */
     @NotNull
-    public String getPotKey() {
-        return potKey;
+    public Pot getPot() {
+        return pot;
     }
-}
+}

api/src/main/java/net/momirealms/customcrops/api/event/PotWaterEvent.java

@@ -1,104 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customcrops.api.event;
-
-import org.bukkit.Location;
-import org.bukkit.entity.Player;
-import org.bukkit.event.Cancellable;
-import org.bukkit.event.HandlerList;
-import org.bukkit.event.player.PlayerEvent;
-import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * An event that triggered when watering a pot
- */
-public class PotWaterEvent extends PlayerEvent implements Cancellable {
-
-    private static final HandlerList handlers = new HandlerList();
-    private boolean cancelled;
-    private final ItemStack itemInHand;
-    private int water;
-    private final Location location;
-
-    public PotWaterEvent(
-            @NotNull Player who,
-            @NotNull ItemStack itemInHand,
-            int water,
-            @NotNull Location location) {
-        super(who);
-        this.itemInHand = itemInHand;
-        this.water = water;
-        this.location = location;
-    }
-
-    @Override
-    public boolean isCancelled() {
-        return cancelled;
-    }
-
-    @Override
-    public void setCancelled(boolean cancel) {
-        this.cancelled = cancel;
-    }
-
-    @NotNull
-    public static HandlerList getHandlerList() {
-        return handlers;
-    }
-
-    @NotNull
-    @Override
-    public HandlerList getHandlers() {
-        return getHandlerList();
-    }
-
-    /**
-     * Get the pot location
-     * @return location
-     */
-    @NotNull
-    public Location getLocation() {
-        return location;
-    }
-
-    /**
-     * Get the item in player's hand
-     * @return item in hand
-     */
-    @NotNull
-    public ItemStack getItemInHand() {
-        return itemInHand;
-    }
-
-    /**
-     * Get the amount of water
-     * @return the amount of water that added to the pot
-     */
-    public int getWater() {
-        return water;
-    }
-
-    /**
-     * Set the amount of water that added to the pot
-     * @param water water
-     */
-    public void setWater(int water) {
-        this.water = water;
-    }
-}

api/src/main/java/net/momirealms/customcrops/api/event/SeasonChangeEvent.java

@@ -17,25 +17,27 @@
 
 package net.momirealms.customcrops.api.event;
 
-import net.momirealms.customcrops.api.object.CCWorldSeason;
+import net.momirealms.customcrops.api.mechanic.world.season.Season;
 import org.bukkit.World;
+import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
-import org.bukkit.event.world.WorldEvent;
 import org.jetbrains.annotations.NotNull;
 
 /**
- * An event that triggered when season changes
+ * An async event triggered when season changes
  */
-public class SeasonChangeEvent extends WorldEvent {
+public class SeasonChangeEvent extends Event {
 
     private static final HandlerList handlers = new HandlerList();
-    private final CCWorldSeason season;
+    private final Season season;
+    private final World world;
 
     public SeasonChangeEvent(
             @NotNull World world,
-            @NotNull CCWorldSeason season
+            @NotNull Season season
     ) {
-        super(world);
+        super(true);
+        this.world = world;
         this.season = season;
     }
 
@@ -55,7 +57,15 @@ public class SeasonChangeEvent extends WorldEvent {
      * @return season
      */
     @NotNull
-    public CCWorldSeason getSeason() {
+    public Season getSeason() {
         return season;
     }
+
+    /**
+     * Get the world
+     * @return world
+     */
+    public World getWorld() {
+        return world;
+    }
 }

api/src/main/java/net/momirealms/customcrops/api/event/SprinklerBreakEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.world.level.WorldSprinkler;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -32,16 +33,16 @@ public class SprinklerBreakEvent extends PlayerEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
     private final Location location;
-    private final String sprinklerKey;
+    private final WorldSprinkler sprinkler;
 
     public SprinklerBreakEvent(
             @NotNull Player who,
             @NotNull Location location,
-            @NotNull String sprinklerKey
+            @NotNull WorldSprinkler sprinkler
     ) {
         super(who);
         this.location = location;
-        this.sprinklerKey = sprinklerKey;
+        this.sprinkler = sprinkler;
     }
 
     @Override
@@ -75,11 +76,11 @@ public class SprinklerBreakEvent extends PlayerEvent implements Cancellable {
     }
 
     /**
-     * Get the sprinkler config key
-     * @return sprinkler key
+     * Get the sprinkler's data
+     * @return sprinkler
      */
     @NotNull
-    public String getSprinklerKey() {
-        return sprinklerKey;
+    public WorldSprinkler getSprinkler() {
+        return sprinkler;
     }
-}
+}

api/src/main/java/net/momirealms/customcrops/api/event/SprinklerFillEvent.java

@@ -1,116 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customcrops.api.event;
-
-import org.bukkit.Location;
-import org.bukkit.entity.Player;
-import org.bukkit.event.Cancellable;
-import org.bukkit.event.HandlerList;
-import org.bukkit.event.player.PlayerEvent;
-import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * An event that triggered when filling a sprinkler
- */
-public class SprinklerFillEvent extends PlayerEvent implements Cancellable {
-
-    private static final HandlerList handlers = new HandlerList();
-    private boolean cancelled;
-    private final ItemStack itemInHand;
-    private int water;
-    private final Location location;
-    private final String sprinklerKey;
-
-    public SprinklerFillEvent(
-            @NotNull Player who,
-            @NotNull String sprinklerKey,
-            @NotNull ItemStack itemInHand,
-            int water,
-            @NotNull Location location) {
-        super(who);
-        this.itemInHand = itemInHand;
-        this.water = water;
-        this.location = location;
-        this.sprinklerKey = sprinklerKey;
-    }
-
-    @Override
-    public boolean isCancelled() {
-        return cancelled;
-    }
-
-    @Override
-    public void setCancelled(boolean cancel) {
-        this.cancelled = cancel;
-    }
-
-    @NotNull
-    public static HandlerList getHandlerList() {
-        return handlers;
-    }
-
-    @NotNull
-    @Override
-    public HandlerList getHandlers() {
-        return getHandlerList();
-    }
-
-    /**
-     * Get the item in player's hand
-     * @return item in hand
-     */
-    @NotNull
-    public ItemStack getItemInHand() {
-        return itemInHand;
-    }
-
-    /**
-     * Get the sprinkler location
-     * @return location
-     */
-    @NotNull
-    public Location getLocation() {
-        return location;
-    }
-
-    /**
-     * Get the amount of water
-     * @return the amount of water that added to the sprinkler
-     */
-    public int getWater() {
-        return water;
-    }
-
-    /**
-     * Set the water that added to the sprinkler
-     * @param water water
-     */
-    public void setWater(int water) {
-        this.water = water;
-    }
-
-    /**
-     * Get the sprinkler config key
-     * @return sprinkler key
-     */
-    @NotNull
-    public String getSprinklerKey() {
-        return sprinklerKey;
-    }
-}

api/src/main/java/net/momirealms/customcrops/api/event/SprinklerInteractEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.world.level.WorldSprinkler;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -33,18 +34,18 @@ public class SprinklerInteractEvent extends PlayerEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
     private final Location location;
-    private final String sprinklerKey;
+    private final WorldSprinkler sprinkler;
     private final ItemStack itemInHand;
 
     public SprinklerInteractEvent(
             @NotNull Player who,
             @NotNull ItemStack itemInHand,
             @NotNull Location location,
-            @NotNull String sprinklerKey
+            @NotNull WorldSprinkler sprinkler
     ) {
         super(who);
         this.location = location;
-        this.sprinklerKey = sprinklerKey;
+        this.sprinkler = sprinkler;
         this.itemInHand = itemInHand;
     }
 
@@ -79,12 +80,12 @@ public class SprinklerInteractEvent extends PlayerEvent implements Cancellable {
     }
 
     /**
-     * Get the sprinkler config key
-     * @return sprinkler key
+     * Get the sprinkler's data
+     * @return sprinkler
      */
     @NotNull
-    public String getSprinklerKey() {
-        return sprinklerKey;
+    public WorldSprinkler getSprinkler() {
+        return sprinkler;
     }
 
     /**

api/src/main/java/net/momirealms/customcrops/api/event/SprinklerPlaceEvent.java

@@ -17,6 +17,7 @@
 
 package net.momirealms.customcrops.api.event;
 
+import net.momirealms.customcrops.api.mechanic.item.Sprinkler;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -34,13 +35,13 @@ public class SprinklerPlaceEvent extends PlayerEvent implements Cancellable {
     private boolean cancelled;
     private final ItemStack itemInHand;
     private final Location location;
-    private final String sprinklerKey;
+    private final Sprinkler sprinkler;
 
-    public SprinklerPlaceEvent(@NotNull Player who, ItemStack itemInHand, Location location, String sprinklerKey) {
+    public SprinklerPlaceEvent(@NotNull Player who, ItemStack itemInHand, Location location, Sprinkler sprinkler) {
         super(who);
         this.itemInHand = itemInHand;
         this.location = location;
-        this.sprinklerKey = sprinklerKey;
+        this.sprinkler = sprinkler;
     }
 
     @Override
@@ -83,11 +84,11 @@ public class SprinklerPlaceEvent extends PlayerEvent implements Cancellable {
     }
 
     /**
-     * Get the sprinkler config key
-     * @return sprinkler key
+     * Get the sprinkler's config
+     * @return sprinkler
      */
     @NotNull
-    public String getSprinklerKey() {
-        return sprinklerKey;
+    public Sprinkler getSprinkler() {
+        return sprinkler;
     }
-}
+}

api/src/main/java/net/momirealms/customcrops/api/integration/ItemLibrary.java

@@ -0,0 +1,30 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.integration;
+
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public interface ItemLibrary {
+
+    String identification();
+
+    ItemStack buildItem(Player player, String id);
+
+    String getItemID(ItemStack itemStack);
+}

api/src/main/java/net/momirealms/customcrops/api/integration/LevelInterface.java

@@ -0,0 +1,41 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.integration;
+
+import org.bukkit.entity.Player;
+
+public interface LevelInterface {
+
+    /**
+     * Add exp to a certain skill or job
+     *
+     * @param player player
+     * @param target the skill or job, for instance "Fishing" "fisherman"
+     * @param amount the exp amount
+     */
+    void addXp(Player player, String target, double amount);
+
+    /**
+     * Get a player's skill or job's level
+     *
+     * @param player player
+     * @param target the skill or job, for instance "Fishing" "fisherman"
+     * @return level
+     */
+    int getLevel(Player player, String target);
+}

api/src/main/java/net/momirealms/customcrops/api/integration/SeasonInterface.java

@@ -15,34 +15,27 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package net.momirealms.customcrops.api.object;
+package net.momirealms.customcrops.api.integration;
 
-/**
- * Fertilizer
- */
-public interface CCFertilizer {
+import net.momirealms.customcrops.api.mechanic.world.season.Season;
+import org.bukkit.World;
+import org.jetbrains.annotations.Nullable;
+
+public interface SeasonInterface {
 
     /**
-     * Reduce the fertilizer's usage times
-     * @return whether the fertilizer is used up
+     * Get a world's season
+     *
+     * @param world world
+     * @return spring, summer, autumn, winter or null
      */
-    boolean reduceTimes();
+    @Nullable Season getSeason(World world);
 
     /**
-     * Get the fertilizer key in config
-     * @return key
+     * Get a world's date
+     *
+     * @param world world
+     * @return date
      */
-    String getKey();
-
-    /**
-     * Get the remaining usage times
-     * @return times
-     */
-    int getLeftTimes();
-
-    /**
-     * Set remaining usage times
-     * @param times times
-     */
-    void setTimes(int times);
+    int getDate(World world);
 }

api/src/main/java/net/momirealms/customcrops/api/manager/ActionManager.java

@@ -0,0 +1,48 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Reloadable;
+import net.momirealms.customcrops.api.mechanic.action.Action;
+import net.momirealms.customcrops.api.mechanic.action.ActionFactory;
+import net.momirealms.customcrops.api.mechanic.action.ActionTrigger;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+import org.bukkit.configuration.ConfigurationSection;
+
+import java.util.HashMap;
+
+public interface ActionManager extends Reloadable {
+
+    boolean registerAction(String type, ActionFactory actionFactory);
+
+    boolean unregisterAction(String type);
+
+    Action getAction(ConfigurationSection section);
+
+    HashMap<ActionTrigger, Action[]> getActionMap(ConfigurationSection section);
+
+    Action[] getActions(ConfigurationSection section);
+
+    ActionFactory getActionFactory(String type);
+
+    static void triggerActions(State state, Action... actions) {
+        if (actions != null)
+            for (Action action : actions)
+                action.trigger(state);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/manager/AdventureManager.java

@@ -0,0 +1,61 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.kyori.adventure.key.Key;
+import net.kyori.adventure.sound.Sound;
+import net.kyori.adventure.text.Component;
+import net.momirealms.customcrops.api.common.Initable;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public abstract class AdventureManager implements Initable {
+
+    private static AdventureManager instance;
+
+    public AdventureManager() {
+        instance = this;
+    }
+
+    public static AdventureManager getInstance() {
+        return instance;
+    }
+
+    public abstract void sendMessage(CommandSender sender, String s);
+
+    public abstract void sendMessageWithPrefix(CommandSender sender, String text);
+
+    public abstract void sendConsoleMessage(String text);
+
+    public abstract void sendPlayerMessage(Player player, String text);
+
+    public abstract void sendActionbar(Player player, String text);
+
+    public abstract void sendSound(Player player, Sound.Source source, Key key, float pitch, float volume);
+
+    public abstract void sendSound(Player player, Sound sound);
+
+    public abstract Component getComponentFromMiniMessage(String text);
+
+    public abstract String legacyToMiniMessage(String legacy);
+
+    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
+    public abstract boolean isColorCode(char c);
+
+    public abstract void sendTitle(Player player, String title, String subTitle, int fadeIn, int stay, int fadeOut);
+}

api/src/main/java/net/momirealms/customcrops/api/manager/ConditionManager.java

@@ -0,0 +1,54 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Reloadable;
+import net.momirealms.customcrops.api.mechanic.condition.Condition;
+import net.momirealms.customcrops.api.mechanic.condition.ConditionFactory;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+import org.bukkit.configuration.ConfigurationSection;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public interface ConditionManager extends Reloadable {
+
+    boolean registerCondition(String type, ConditionFactory conditionFactory);
+
+    boolean unregisterCondition(String type);
+
+    boolean hasCondition(String type);
+
+    @NotNull
+    Condition[] getConditions(ConfigurationSection section);
+
+    Condition getCondition(ConfigurationSection section);
+
+    Condition getCondition(String key, Object args);
+
+    @Nullable ConditionFactory getConditionFactory(String type);
+
+    static boolean isConditionMet(CustomCropsBlock block, Condition... conditions) {
+        if (conditions == null) return true;
+        for (Condition condition : conditions) {
+            if (!condition.isConditionMet(block)) {
+                return false;
+            }
+        }
+        return true;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/manager/ConfigManager.java

@@ -0,0 +1,160 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Reloadable;
+import org.bukkit.World;
+
+public abstract class ConfigManager implements Reloadable {
+
+    private static ConfigManager instance;
+
+    public ConfigManager() {
+        instance = this;
+    }
+
+    public static ConfigManager getInstance() {
+        return instance;
+    }
+
+    public static boolean legacyColorSupport() {
+        return instance.hasLegacyColorSupport();
+    }
+
+    public static int maximumPoolSize() {
+        return instance.getMaximumPoolSize();
+    }
+
+    public static int corePoolSize() {
+        return instance.getCorePoolSize();
+    }
+
+    public static int keepAliveTime() {
+        return instance.getKeepAliveTime();
+    }
+
+    public static boolean debug() {
+        return instance.getDebugMode();
+    }
+
+    public static boolean protectLore() {
+        return instance.isProtectLore();
+    }
+
+    public static String[] itemDetectionOrder() {
+        return instance.getItemDetectionOrder();
+    }
+
+    public static String lang() {
+        return instance.getLang();
+    }
+
+    public static boolean metrics() {
+        return instance.hasMetrics();
+    }
+
+    public static boolean checkUpdate() {
+        return instance.hasCheckUpdate();
+    }
+
+    public static double[] defaultQualityRatio() {
+        return instance.getDefaultQualityRatio();
+    }
+
+    public static boolean preventTrampling() {
+        return instance.isPreventTrampling();
+    }
+
+    public static boolean disableMoisture() {
+        return instance.isDisableMoisture();
+    }
+
+    public static boolean syncSeasons() {
+        return instance.isSyncSeasons();
+    }
+
+    public static boolean enableGreenhouse() {
+        return instance.isGreenhouseEnabled();
+    }
+
+    public static World referenceWorld() {
+        return instance.getReferenceWorld();
+    }
+
+    public static int greenhouseRange() {
+        return instance.getGreenhouseRange();
+    }
+
+    public static int scarecrowRange() {
+        return instance.getScarecrowRange();
+    }
+
+    public static String greenhouseID() {
+        return instance.getGreenhouseID();
+    }
+
+    public static boolean enableScarecrow() {
+        return instance.isScarecrowEnabled();
+    }
+
+    public static String scarecrowID() {
+        return instance.getScarecrowID();
+    }
+
+    protected abstract double[] getDefaultQualityRatio();
+
+    protected abstract String getLang();
+
+    protected abstract boolean getDebugMode();
+
+    protected abstract boolean hasLegacyColorSupport();
+
+    protected abstract int getMaximumPoolSize();
+
+    protected abstract int getKeepAliveTime();
+
+    protected abstract int getCorePoolSize();
+
+    public abstract boolean isProtectLore();
+
+    public abstract String[] getItemDetectionOrder();
+
+    public abstract boolean hasMetrics();
+
+    public abstract boolean hasCheckUpdate();
+
+    public abstract boolean isDisableMoisture();
+
+    public abstract boolean isPreventTrampling();
+
+    public abstract boolean isGreenhouseEnabled();
+
+    public abstract String getGreenhouseID();
+
+    public abstract int getGreenhouseRange();
+
+    public abstract boolean isScarecrowEnabled();
+
+    public abstract String getScarecrowID();
+
+    public abstract int getScarecrowRange();
+
+    public abstract boolean isSyncSeasons();
+
+    public abstract World getReferenceWorld();
+}

api/src/main/java/net/momirealms/customcrops/api/manager/CoolDownManager.java

@@ -0,0 +1,87 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.CustomCropsPlugin;
+import net.momirealms.customcrops.api.common.Reloadable;
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerQuitEvent;
+
+import java.util.HashMap;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class CoolDownManager implements Listener, Reloadable {
+
+    private final ConcurrentHashMap<UUID, Data> dataMap;
+    private final CustomCropsPlugin plugin;
+
+    public CoolDownManager(CustomCropsPlugin plugin) {
+        this.dataMap = new ConcurrentHashMap<>();
+        this.plugin = plugin;
+    }
+
+    public boolean isCoolDown(UUID uuid, String key, long time) {
+        Data data = this.dataMap.computeIfAbsent(uuid, k -> new Data());
+        return data.isCoolDown(key, time);
+    }
+
+    @Override
+    public void load() {
+        Bukkit.getPluginManager().registerEvents(this, plugin);
+    }
+
+    @Override
+    public void unload() {
+        HandlerList.unregisterAll(this);
+    }
+
+    @Override
+    public void disable() {
+        unload();
+        this.dataMap.clear();
+    }
+
+    @EventHandler
+    public void onQuit(PlayerQuitEvent event) {
+        dataMap.remove(event.getPlayer().getUniqueId());
+    }
+
+    public static class Data {
+
+        private final HashMap<String, Long> coolDownMap;
+
+        public Data() {
+            this.coolDownMap = new HashMap<>();
+        }
+
+        public synchronized boolean isCoolDown(String key, long delay) {
+            long time = System.currentTimeMillis();
+            long last = coolDownMap.getOrDefault(key, time - delay);
+            if (last + delay > time) {
+                return true;
+            } else {
+                coolDownMap.put(key, time);
+                return false;
+            }
+        }
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/manager/IntegrationManager.java

@@ -0,0 +1,62 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Initable;
+import net.momirealms.customcrops.api.integration.LevelInterface;
+import net.momirealms.customcrops.api.integration.SeasonInterface;
+import net.momirealms.customcrops.api.mechanic.world.season.Season;
+import org.bukkit.World;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.Nullable;
+
+public interface IntegrationManager extends Initable {
+
+    /**
+     * Registers a level plugin with the specified name.
+     *
+     * @param plugin The name of the level plugin.
+     * @param level The implementation of the LevelInterface.
+     * @return true if the registration was successful, false if the plugin name is already registered.
+     */
+    boolean registerLevelPlugin(String plugin, LevelInterface level);
+
+    /**
+     * Unregisters a level plugin with the specified name.
+     *
+     * @param plugin The name of the level plugin to unregister.
+     * @return true if the unregistration was successful, false if the plugin name is not found.
+     */
+    boolean unregisterLevelPlugin(String plugin);
+
+    /**
+     * Get the LevelInterface provided by a plugin.
+     *
+     * @param plugin The name of the plugin providing the LevelInterface.
+     * @return The LevelInterface provided by the specified plugin, or null if the plugin is not registered.
+     */
+    @Nullable LevelInterface getLevelPlugin(String plugin);
+
+    SeasonInterface getSeasonInterface();
+
+    Season getSeason(World world);
+
+    int getDate(World world);
+
+    ItemStack build(String itemID);
+}

api/src/main/java/net/momirealms/customcrops/api/manager/ItemManager.java

@@ -0,0 +1,113 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Reloadable;
+import net.momirealms.customcrops.api.integration.ItemLibrary;
+import net.momirealms.customcrops.api.mechanic.item.*;
+import org.bukkit.Location;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+
+public interface ItemManager extends Reloadable {
+
+    boolean registerItemLibrary(@NotNull ItemLibrary itemLibrary);
+
+    boolean unregisterItemLibrary(String identification);
+
+    String getItemID(ItemStack itemStack);
+
+    ItemStack getItemStack(Player player, String id);
+
+    void placeItem(Location location, ItemCarrier carrier, String id);
+
+    void removeAnythingAt(Location location);
+
+    @Nullable
+    WateringCan getWateringCanByID(@NotNull String id);
+
+    @Nullable
+    WateringCan getWateringCanByItemID(@NotNull String id);
+
+    @Nullable
+    WateringCan getWateringCanByItemStack(@NotNull ItemStack itemStack);
+
+    @Nullable
+    Sprinkler getSprinklerByID(@NotNull String id);
+
+    @Nullable
+    Sprinkler getSprinklerBy3DItemID(@NotNull String id);
+
+    @Nullable
+    Sprinkler getSprinklerBy2DItemID(@NotNull String id);
+
+    @Nullable
+    Sprinkler getSprinklerByEntity(@NotNull Entity entity);
+
+    @Nullable
+    Sprinkler getSprinklerBy2DItemStack(@NotNull ItemStack itemStack);
+
+    @Nullable
+    Sprinkler getSprinklerBy3DItemStack(@NotNull ItemStack itemStack);
+
+    @Nullable
+    Sprinkler getSprinklerByItemStack(@NotNull ItemStack itemStack);
+
+    @Nullable
+    Pot getPotByID(@NotNull String id);
+
+    @Nullable
+    Pot getPotByBlockID(@NotNull String id);
+
+    @Nullable
+    Pot getPotByBlock(@NotNull Block block);
+
+    @Nullable
+    Pot getPotByItemStack(@NotNull ItemStack itemStack);
+
+    Fertilizer getFertilizerByID(String id);
+
+    Fertilizer getFertilizerByItemID(String id);
+
+    Fertilizer getFertilizerByItemStack(@NotNull ItemStack itemStack);
+
+    Crop getCropByID(String id);
+
+    Crop getCropBySeedID(String id);
+
+    Crop getCropBySeedItemStack(ItemStack itemStack);
+
+    Crop getCropByStageID(String id);
+
+    Crop getCropByEntity(Entity entity);
+
+    Crop getCropByBlock(Block block);
+
+    Crop.Stage getCropStageByStageID(String id);
+
+    void updatePotState(Location location, Pot pot, boolean hasWater, Fertilizer fertilizer);
+
+    @NotNull
+    Collection<Location> getPotInRange(Location baseLocation, int width, int length, float yaw, String potID);
+}

api/src/main/java/net/momirealms/customcrops/api/manager/MessageManager.java

@@ -0,0 +1,54 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.mechanic.world.season.Season;
+import org.jetbrains.annotations.Nullable;
+
+public abstract class MessageManager {
+
+    private static MessageManager instance;
+
+    public MessageManager() {
+        instance = this;
+    }
+
+    public static MessageManager getInstance() {
+        return instance;
+    }
+
+    public static String seasonTranslation(@Nullable Season season) {
+        return instance.getSeasonTranslation(season);
+    }
+
+    public static String reloadMessage() {
+        return instance.getReload();
+    }
+
+    public static String prefix() {
+        return instance.getPrefix();
+    }
+
+    protected abstract String getPrefix();
+
+    protected abstract String getReload();
+
+    protected abstract String getSeasonTranslation(Season season);
+
+    public abstract void reload();
+}

api/src/main/java/net/momirealms/customcrops/api/manager/PlaceholderManager.java

@@ -0,0 +1,47 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Reloadable;
+import org.bukkit.entity.Player;
+
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Pattern;
+
+public abstract class PlaceholderManager implements Reloadable {
+
+    public static final Pattern pattern = Pattern.compile("\\{[^{}]+}");
+    private static PlaceholderManager instance;
+
+    public PlaceholderManager() {
+        instance = this;
+    }
+
+    public static PlaceholderManager getInstance() {
+        return instance;
+    }
+
+    public abstract String parse(Player player, String text, Map<String, String> vars);
+
+    public abstract List<String> parse(Player player, List<String> text, Map<String, String> vars);
+
+    public abstract List<String> detectPlaceholders(String text);
+
+    public abstract String setPlaceholders(Player player, String text);
+}

api/src/main/java/net/momirealms/customcrops/api/manager/RequirementManager.java

@@ -0,0 +1,57 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Reloadable;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+import net.momirealms.customcrops.api.mechanic.requirement.RequirementFactory;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+import org.bukkit.configuration.ConfigurationSection;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public interface RequirementManager extends Reloadable {
+
+    boolean registerRequirement(String type, RequirementFactory requirementFactory);
+
+    boolean unregisterRequirement(String type);
+
+    @Nullable
+    Requirement[] getRequirements(ConfigurationSection section, boolean advanced);
+
+    boolean hasRequirement(String type);
+
+    @NotNull
+    Requirement getRequirement(ConfigurationSection section, boolean advanced);
+
+    @NotNull
+    Requirement getRequirement(String type, Object value);
+
+    @Nullable
+    RequirementFactory getRequirementFactory(String type);
+
+    static boolean isRequirementMet(State condition, Requirement... requirements) {
+        if (requirements == null) return true;
+        for (Requirement requirement : requirements) {
+            if (!requirement.isStateMet(condition)) {
+                return false;
+            }
+        }
+        return true;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/manager/VersionManager.java

@@ -0,0 +1,77 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import java.util.concurrent.CompletionStage;
+
+public abstract class VersionManager {
+
+    private static VersionManager instance;
+
+    public VersionManager() {
+        instance = this;
+    }
+
+    public static VersionManager getInstance() {
+        return instance;
+    }
+
+    public static boolean isHigherThan1_19_R3() {
+        return instance.isVersionNewerThan1_19_R3();
+    }
+
+    public static boolean isHigherThan1_19_R2() {
+        return instance.isVersionNewerThan1_19_R2();
+    }
+
+    public abstract boolean hasRegionScheduler();
+
+    public static boolean folia() {
+        return instance.hasRegionScheduler();
+    }
+
+    public abstract String getPluginVersion();
+
+    public static String pluginVersion() {
+        return instance.getPluginVersion();
+    }
+
+    public static String serverVersion() {
+        return instance.getServerVersion();
+    }
+
+    public abstract String getServerVersion();
+
+    public static boolean spigot() {
+        return instance.isSpigot();
+    }
+
+    public abstract boolean isSpigot();
+
+    public abstract boolean isVersionNewerThan1_19_R3();
+
+    public abstract boolean isVersionNewerThan1_19();
+
+    public abstract boolean isVersionNewerThan1_19_R2();
+
+    public abstract boolean isVersionNewerThan1_20();
+
+    public abstract boolean isMojmap();
+
+    public abstract CompletionStage<Boolean> checkUpdate();
+}

api/src/main/java/net/momirealms/customcrops/api/manager/WorldManager.java

@@ -0,0 +1,142 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.manager;
+
+import net.momirealms.customcrops.api.common.Reloadable;
+import net.momirealms.customcrops.api.mechanic.item.*;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+import net.momirealms.customcrops.api.mechanic.world.SimpleLocation;
+import net.momirealms.customcrops.api.mechanic.world.level.*;
+import org.bukkit.Chunk;
+import org.bukkit.World;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collection;
+import java.util.Optional;
+
+public interface WorldManager extends Reloadable {
+
+    /**
+     * Load a specified world and convert it into a CustomCrops world
+     * This method ignores the whitelist and blacklist
+     * If there already exists one, it would not create a new instance but return the created one
+     *
+     * @param world world
+     */
+    @NotNull
+    CustomCropsWorld loadWorld(@NotNull World world);
+
+    /**
+     * Unload a specified world and save it to file
+     * This method ignores the whitelist and blacklist
+     *
+     * @param world world
+     */
+    boolean unloadWorld(@NotNull World world);
+
+    /**
+     * Check if the world has CustomCrops mechanisms
+     *
+     * @param world world
+     * @return has or not
+     */
+    boolean isMechanicEnabled(@NotNull World world);
+
+    /**
+     * Get all the worlds loaded in CustomCrops
+     *
+     * @return worlds
+     */
+    @NotNull
+    Collection<String> getWorldNames();
+
+    /**
+     * Get all the worlds loaded in CustomCrops
+     *
+     * @return worlds
+     */
+    @NotNull
+    Collection<World> getBukkitWorlds();
+
+    /**
+     * Get all the worlds loaded in CustomCrops
+     *
+     * @return worlds
+     */
+    @NotNull
+    Collection<? extends CustomCropsWorld> getCustomCropsWorlds();
+
+    @NotNull
+    Optional<CustomCropsWorld> getCustomCropsWorld(@NotNull String name);
+
+    @NotNull
+    Optional<CustomCropsWorld> getCustomCropsWorld(@NotNull World world);
+
+    @NotNull
+    Optional<WorldSprinkler> getSprinklerAt(@NotNull SimpleLocation location);
+
+    @NotNull
+    Optional<WorldPot> getPotAt(@NotNull SimpleLocation location);
+
+    @NotNull
+    Optional<WorldCrop> getCropAt(@NotNull SimpleLocation location);
+
+    @NotNull Optional<WorldGlass> getGlassAt(@NotNull SimpleLocation location);
+
+    @NotNull Optional<WorldScarecrow> getScarecrowAt(@NotNull SimpleLocation location);
+
+    Optional<CustomCropsBlock> getBlockAt(SimpleLocation location);
+
+    void addWaterToSprinkler(@NotNull Sprinkler sprinkler, @NotNull SimpleLocation location, int amount);
+
+    void addFertilizerToPot(@NotNull Pot pot, @NotNull Fertilizer fertilizer, @NotNull SimpleLocation location);
+
+    void addWaterToPot(@NotNull Pot pot, @NotNull SimpleLocation location, int amount);
+
+    void addGlassAt(@NotNull WorldGlass glass, @NotNull SimpleLocation location);
+
+    void addScarecrowAt(@NotNull WorldScarecrow scarecrow, @NotNull SimpleLocation location);
+
+    void removeSprinklerAt(@NotNull SimpleLocation location);
+
+    void removePotAt(@NotNull SimpleLocation location);
+
+    void removeCropAt(@NotNull SimpleLocation location);
+
+    boolean isReachLimit(SimpleLocation location, ItemType itemType);
+
+    void addPotAt(@NotNull WorldPot pot, @NotNull SimpleLocation location);
+
+    void addSprinklerAt(@NotNull WorldSprinkler sprinkler, @NotNull SimpleLocation location);
+
+    void addCropAt(@NotNull WorldCrop crop, @NotNull SimpleLocation location);
+
+    void addPointToCrop(@NotNull Crop crop, @NotNull SimpleLocation location, int points);
+
+    void handleChunkLoad(Chunk bukkitChunk);
+
+    void handleChunkUnload(Chunk bukkitChunk);
+
+    void saveChunkToFile(CustomCropsChunk chunk);
+
+    void removeGlassAt(@NotNull SimpleLocation location);
+
+    void removeScarecrowAt(@NotNull SimpleLocation location);
+
+    CustomCropsBlock removeAnythingAt(SimpleLocation location);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/action/Action.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.action;
+
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+
+public interface Action {
+
+    void trigger(State condition);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/action/ActionExpansion.java

@@ -0,0 +1,29 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.action;
+
+public abstract class ActionExpansion {
+
+    public abstract String getVersion();
+
+    public abstract String getAuthor();
+
+    public abstract String getActionType();
+
+    public abstract ActionFactory getActionFactory();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/action/ActionFactory.java

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.action;
+
+public interface ActionFactory {
+
+    Action build(Object args, double chance);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/action/ActionTrigger.java

@@ -0,0 +1,36 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.action;
+
+public enum ActionTrigger {
+
+    BREAK,
+    PLACE,
+    GROW,
+    ADD_WATER,
+    NO_WATER,
+    CONSUME_WATER,
+    FULL,
+    WORK,
+    USE,
+    WRONG_POT,
+    WRONG_SPRINKLER,
+    BEFORE_PLANT,
+    REACH_LIMIT,
+    INTERACT, PLANT, RIPE,
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/condition/Condition.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.condition;
+
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+
+public interface Condition {
+
+    boolean isConditionMet(CustomCropsBlock block);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/condition/ConditionExpansion.java

@@ -0,0 +1,29 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.condition;
+
+public abstract class ConditionExpansion {
+
+    public abstract String getVersion();
+
+    public abstract String getAuthor();
+
+    public abstract String getConditionType();
+
+    public abstract ConditionFactory getConditionFactory();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/condition/ConditionFactory.java

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.condition;
+
+public interface ConditionFactory {
+
+    Condition build(Object args);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/condition/Conditions.java

@@ -0,0 +1,14 @@
+package net.momirealms.customcrops.api.mechanic.condition;
+
+public class Conditions {
+
+    private final Condition[] conditions;
+
+    public Conditions(Condition[] conditions) {
+        this.conditions = conditions;
+    }
+
+    public Condition[] getConditions() {
+        return conditions;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/condition/DeathConditions.java

@@ -0,0 +1,29 @@
+package net.momirealms.customcrops.api.mechanic.condition;
+
+import net.momirealms.customcrops.api.mechanic.item.ItemCarrier;
+
+public class DeathConditions extends Conditions {
+
+    private final String deathItem;
+    private final ItemCarrier itemCarrier;
+    private final int deathDelay;
+
+    public DeathConditions(Condition[] conditions, String deathItem, ItemCarrier itemCarrier, int deathDelay) {
+        super(conditions);
+        this.deathItem = deathItem;
+        this.itemCarrier = itemCarrier;
+        this.deathDelay = deathDelay;
+    }
+
+    public String getDeathItem() {
+        return deathItem;
+    }
+
+    public ItemCarrier getItemCarrier() {
+        return itemCarrier;
+    }
+
+    public int getDeathDelay() {
+        return deathDelay;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/BoneMeal.java

@@ -0,0 +1,73 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+import net.momirealms.customcrops.api.common.Pair;
+import net.momirealms.customcrops.api.manager.ActionManager;
+import net.momirealms.customcrops.api.mechanic.action.Action;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+
+import java.util.List;
+
+public class BoneMeal {
+
+    private final String item;
+    private final int usedAmount;
+    private final String returned;
+    private final int returnedAmount;
+    private final List<Pair<Double, Integer>> pointGainList;
+    private final Action[] actions;
+
+    public BoneMeal(String item, int usedAmount, String returned, int returnedAmount, List<Pair<Double, Integer>> pointGainList, Action[] actions) {
+        this.item = item;
+        this.returned = returned;
+        this.pointGainList = pointGainList;
+        this.actions = actions;
+        this.usedAmount = usedAmount;
+        this.returnedAmount = returnedAmount;
+    }
+
+    public String getItem() {
+        return item;
+    }
+
+    public String getReturned() {
+        return returned;
+    }
+
+    public int getPoint() {
+        for (Pair<Double, Integer> pair : pointGainList) {
+            if (Math.random() < pair.left()) {
+                return pair.right();
+            }
+        }
+        return 0;
+    }
+
+    public void trigger(State state) {
+        ActionManager.triggerActions(state, actions);
+    }
+
+    public int getUsedAmount() {
+        return usedAmount;
+    }
+
+    public int getReturnedAmount() {
+        return returnedAmount;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/Crop.java

@@ -0,0 +1,79 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+import net.momirealms.customcrops.api.common.item.KeyItem;
+import net.momirealms.customcrops.api.mechanic.action.ActionTrigger;
+import net.momirealms.customcrops.api.mechanic.condition.Conditions;
+import net.momirealms.customcrops.api.mechanic.condition.DeathConditions;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+import java.util.HashSet;
+
+public interface Crop extends KeyItem {
+
+    String getSeedItemID();
+
+    int getMaxPoints();
+
+    Requirement[] getPlantRequirements();
+
+    Requirement[] getBreakRequirements();
+
+    Requirement[] getInteractRequirements();
+
+    Conditions getGrowConditions();
+
+    DeathConditions[] getDeathConditions();
+
+    BoneMeal[] getBoneMeals();
+
+    boolean isRotation();
+
+    void trigger(ActionTrigger trigger, State state);
+
+    Stage getStageByPoint(int point);
+
+    String getStageItemByPoint(int point);
+
+    Stage getStageByItemID(String itemID);
+
+    Collection<? extends Stage> getStages();
+
+    HashSet<String> getPotWhitelist();
+
+    ItemCarrier getItemCarrier();
+
+    interface Stage {
+
+        double getHologramOffset();
+
+        @Nullable String getStageID();
+
+        int getPoint();
+
+        void trigger(ActionTrigger trigger, State state);
+
+        Requirement[] getInteractRequirements();
+
+        Requirement[] getBreakRequirements();
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/Fertilizer.java

@@ -0,0 +1,41 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+import net.momirealms.customcrops.api.common.item.EventItem;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+
+import java.util.HashSet;
+
+public interface Fertilizer extends EventItem {
+    String getKey();
+
+    String getItemID();
+
+    int getTimes();
+
+    FertilizerType getFertilizerType();
+
+    HashSet<String> getPotWhitelist();
+
+    boolean isBeforePlant();
+
+    String getIcon();
+
+    Requirement[] getRequirements();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/FertilizerType.java

@@ -0,0 +1,26 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+public enum FertilizerType {
+    SPEED_GROW,
+    QUALITY,
+    SOIL_RETAIN,
+    VARIATION,
+    YIELD_INCREASE
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/ItemCarrier.java

@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+public enum ItemCarrier {
+    NOTE_BLOCK,
+    MUSHROOM,
+    CHORUS,
+    TRIPWIRE,
+    ITEM_FRAME,
+    ITEM_DISPLAY
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/ItemType.java

@@ -0,0 +1,26 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+public enum ItemType {
+    CROP,
+    POT,
+    SPRINKLER,
+    GREENHOUSE,
+    SCARECROW
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/Pot.java

@@ -0,0 +1,57 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+import net.momirealms.customcrops.api.common.item.KeyItem;
+import net.momirealms.customcrops.api.mechanic.action.ActionTrigger;
+import net.momirealms.customcrops.api.mechanic.item.water.PassiveFillMethod;
+import net.momirealms.customcrops.api.mechanic.misc.image.WaterBar;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+
+import java.util.HashSet;
+
+public interface Pot extends KeyItem {
+
+    int getStorage();
+
+    String getKey();
+
+    HashSet<String> getPotBlocks();
+
+    PassiveFillMethod[] getPassiveFillMethods();
+
+    String getDryItem();
+
+    String getWetItem();
+
+    Requirement[] getPlaceRequirements();
+
+    Requirement[] getBreakRequirements();
+
+    Requirement[] getUseRequirements();
+
+    void trigger(ActionTrigger trigger, State state);
+
+    WaterBar getWaterBar();
+
+    boolean isRainDropAccepted();
+    boolean isNearbyWaterAccepted();
+
+    String getBlockState(boolean water, FertilizerType type);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/Scarecrow.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+import net.momirealms.customcrops.api.common.item.KeyItem;
+
+public interface Scarecrow extends KeyItem {
+
+    String getItemID();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/Sprinkler.java

@@ -0,0 +1,60 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+import net.momirealms.customcrops.api.common.item.KeyItem;
+import net.momirealms.customcrops.api.mechanic.action.ActionTrigger;
+import net.momirealms.customcrops.api.mechanic.item.water.PassiveFillMethod;
+import net.momirealms.customcrops.api.mechanic.misc.image.WaterBar;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+
+import java.util.HashSet;
+
+public interface Sprinkler extends KeyItem {
+
+    String get2DItemID();
+
+    String get3DItemID();
+
+    String get3DItemWithWater();
+
+    int getStorage();
+
+    int getRange();
+
+    boolean isInfinite();
+
+    int getWater();
+
+    HashSet<String> getPotWhitelist();
+
+    ItemCarrier getItemCarrier();
+
+    PassiveFillMethod[] getPassiveFillMethods();
+
+    Requirement[] getPlaceRequirements();
+
+    Requirement[] getBreakRequirements();
+
+    Requirement[] getUseRequirements();
+
+    void trigger(ActionTrigger trigger, State state);
+
+    WaterBar getWaterBar();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/WateringCan.java

@@ -0,0 +1,64 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item;
+
+import net.momirealms.customcrops.api.common.item.KeyItem;
+import net.momirealms.customcrops.api.mechanic.action.ActionTrigger;
+import net.momirealms.customcrops.api.mechanic.misc.image.WaterBar;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+
+public interface WateringCan extends KeyItem {
+
+    String getItemID();
+
+    int getWidth();
+
+    int getLength();
+
+    int getStorage();
+
+    int getWater();
+
+    boolean hasDynamicLore();
+
+    void updateItem(Player player, ItemStack itemStack, int water, Map<String, String> args);
+
+    int getCurrentWater(ItemStack itemStack);
+
+    HashSet<String> getPotWhitelist();
+
+    HashSet<String> getSprinklerWhitelist();
+
+    List<String> getLore();
+
+    @Nullable WaterBar getWaterBar();
+
+    Requirement[] getRequirements();
+
+    boolean isInfinite();
+
+    void trigger(ActionTrigger trigger, State state);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/fertilizer/QualityCrop.java

@@ -0,0 +1,26 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.fertilizer;
+
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+
+public interface QualityCrop extends Fertilizer {
+    double getChance();
+
+    double[] getRatio();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/fertilizer/SoilRetain.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.fertilizer;
+
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+
+public interface SoilRetain extends Fertilizer {
+
+    double getChance();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/fertilizer/SpeedGrow.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.fertilizer;
+
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+
+public interface SpeedGrow extends Fertilizer {
+
+    int getPointBonus();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/fertilizer/Variation.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.fertilizer;
+
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+
+public interface Variation extends Fertilizer {
+
+    double getChanceBonus();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/fertilizer/YieldIncrease.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.fertilizer;
+
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+
+public interface YieldIncrease extends Fertilizer {
+
+    int getAmountBonus();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/water/AbstractFillMethod.java

@@ -0,0 +1,49 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.water;
+
+import net.momirealms.customcrops.api.manager.ActionManager;
+import net.momirealms.customcrops.api.manager.RequirementManager;
+import net.momirealms.customcrops.api.mechanic.action.Action;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+import net.momirealms.customcrops.api.mechanic.requirement.State;
+
+public abstract class AbstractFillMethod {
+
+    protected int amount;
+    private final Action[] actions;
+    private final Requirement[] requirements;
+
+    protected AbstractFillMethod(int amount, Action[] actions, Requirement[] requirements) {
+        this.amount = amount;
+        this.actions = actions;
+        this.requirements = requirements;
+    }
+
+    public int getAmount() {
+        return amount;
+    }
+
+    public void trigger(State state) {
+        ActionManager.triggerActions(state, actions);
+    }
+
+    public boolean canFill(State state) {
+        return RequirementManager.isRequirementMet(state, requirements);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/water/PassiveFillMethod.java

@@ -0,0 +1,54 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.water;
+
+import net.momirealms.customcrops.api.mechanic.action.Action;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+import org.jetbrains.annotations.Nullable;
+
+public class PassiveFillMethod extends AbstractFillMethod {
+
+    private final String used;
+    private final int usedAmount;
+    private final String returned;
+    private final int returnedAmount;
+
+    public PassiveFillMethod(String used, int usedAmount, @Nullable String returned, int returnedAmount, int amount, Action[] actions, Requirement[] requirements) {
+        super(amount, actions, requirements);
+        this.used = used;
+        this.returned = returned;
+        this.usedAmount = usedAmount;
+        this.returnedAmount = returnedAmount;
+    }
+
+    public String getUsed() {
+        return used;
+    }
+
+    public String getReturned() {
+        return returned;
+    }
+
+    public int getUsedAmount() {
+        return usedAmount;
+    }
+
+    public int getReturnedAmount() {
+        return returnedAmount;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/item/water/PositiveFillMethod.java

@@ -0,0 +1,35 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.item.water;
+
+import net.momirealms.customcrops.api.mechanic.action.Action;
+import net.momirealms.customcrops.api.mechanic.requirement.Requirement;
+
+public class PositiveFillMethod extends AbstractFillMethod {
+
+    private final String id;
+
+    public PositiveFillMethod(String id, int amount, Action[] actions, Requirement[] requirements) {
+        super(amount, actions, requirements);
+        this.id = id;
+    }
+
+    public String getId() {
+        return id;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/misc/Value.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.misc;
+
+import org.bukkit.entity.Player;
+
+public interface Value {
+
+    double get(Player player);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/misc/image/WaterBar.java

@@ -0,0 +1,32 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.misc.image;
+
+public record WaterBar(String left, String empty, String full, String right) {
+
+    public static WaterBar of(String left, String empty, String full, String right) {
+        return new WaterBar(left, empty, full, right);
+    }
+
+    public String getWaterBar(int current, int max) {
+        return left +
+                String.valueOf(full).repeat(current) +
+                String.valueOf(empty).repeat(Math.max(max - current, 0)) +
+                right;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/requirement/Requirement.java

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.requirement;
+
+public interface Requirement {
+
+    boolean isStateMet(State state);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/requirement/RequirementExpansion.java

@@ -0,0 +1,29 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.requirement;
+
+public abstract class RequirementExpansion {
+
+    public abstract String getVersion();
+
+    public abstract String getAuthor();
+
+    public abstract String getRequirementType();
+
+    public abstract RequirementFactory getRequirementFactory();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/requirement/RequirementFactory.java

@@ -0,0 +1,31 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.requirement;
+
+import net.momirealms.customcrops.api.mechanic.action.Action;
+
+import java.util.List;
+
+public interface RequirementFactory {
+
+    Requirement build(Object args, List<Action> notMetActions, boolean advanced);
+
+    default Requirement build(Object args) {
+        return build(args, null, false);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/requirement/State.java

@@ -0,0 +1,71 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.requirement;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class State {
+
+    private final Player player;
+    private final ItemStack itemInHand;
+    private final Location location;
+    private final HashMap<String, String> args;
+
+    public State(Player player, ItemStack itemInHand, @NotNull Location location) {
+        this.player = player;
+        this.itemInHand = itemInHand;
+        this.location = location.toBlockLocation();
+        this.args = new HashMap<>();
+        if (player != null) {
+            setArg("{player}", player.getName());
+        }
+        setArg("{x}", String.valueOf(location.getBlockX()));
+        setArg("{y}", String.valueOf(location.getBlockY()));
+        setArg("{z}", String.valueOf(location.getBlockZ()));
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+
+    public ItemStack getItemInHand() {
+        return itemInHand;
+    }
+
+    public Location getLocation() {
+        return location;
+    }
+
+    public Map<String, String> getArgs() {
+        return args;
+    }
+
+    public void setArg(String key, String value) {
+        args.put(key, value);
+    }
+
+    public String getArg(String key) {
+        return args.get(key);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/ChunkCoordinate.java

@@ -0,0 +1,67 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world;
+
+import org.bukkit.Chunk;
+import org.jetbrains.annotations.NotNull;
+
+public record ChunkCoordinate(int x, int z) {
+
+    private static final ChunkCoordinate empty = new ChunkCoordinate(0, 0);
+
+    public static ChunkCoordinate of(int x, int z) {
+        return new ChunkCoordinate(x, z);
+    }
+
+    @Override
+    public int hashCode() {
+        long combined = (long) x << 32 | z;
+        return Long.hashCode(combined);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        final ChunkCoordinate other = (ChunkCoordinate) obj;
+        if (this.x != other.x) {
+            return false;
+        }
+        if (this.z != other.z) {
+            return false;
+        }
+        return true;
+    }
+
+    @NotNull
+    public static ChunkCoordinate getByBukkitChunk(@NotNull Chunk chunk) {
+        return new ChunkCoordinate(chunk.getX(), chunk.getZ());
+    }
+
+    @Override
+    public String toString() {
+        return "ChunkCoordinate{" +
+                "x=" + x +
+                ", z=" + z +
+                '}';
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/ChunkPos.java

@@ -0,0 +1,87 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world;
+
+import java.util.Objects;
+
+public class ChunkPos {
+
+    private final int position;
+
+    public ChunkPos(int position) {
+        this.position = position;
+    }
+
+    public ChunkPos(int x, int y, int z) {
+        this.position = ((x & 0xF) << 28) | ((z & 0xF) << 24) | (y & 0xFFFFFF);
+    }
+
+    public static ChunkPos getByLocation(SimpleLocation location) {
+        return new ChunkPos(location.getX() % 16, location.getY(), location.getZ() % 16);
+    }
+
+    public SimpleLocation getLocation(String world, ChunkCoordinate coordinate) {
+        return new SimpleLocation(world, coordinate.x() * 16 + getX(), getY(), coordinate.z() * 16 + getZ());
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    public int getX() {
+        return (position >> 28) & 0xF;
+    }
+
+    public int getZ() {
+        return (position >> 24) & 0xF;
+    }
+
+    public int getSectionID() {
+        return getY() / 16;
+    }
+
+    public int getY() {
+        int y = position & 0xFFFFFF;
+        if ((y & 0x800000) != 0) {
+            y |= 0xFF000000;
+        }
+        return y;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        ChunkPos chunkPos = (ChunkPos) o;
+        return position == chunkPos.position;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(position);
+    }
+
+    @Override
+    public String toString() {
+        return "ChunkPos{" +
+                "x=" + getX() +
+                "y=" + getY() +
+                "z=" + getZ() +
+                '}';
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/CustomCropsBlock.java

@@ -0,0 +1,26 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world;
+
+import net.momirealms.customcrops.api.mechanic.item.ItemType;
+import net.momirealms.customcrops.api.mechanic.world.level.DataBlock;
+
+public interface CustomCropsBlock extends DataBlock, Tickable {
+
+    ItemType getType();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/SimpleLocation.java

@@ -0,0 +1,151 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Objects;
+
+public class SimpleLocation {
+
+    private int x;
+    private int y;
+    private int z;
+    private String worldName;
+
+    private SimpleLocation() {
+    }
+
+    public SimpleLocation(String worldName, int x, int y, int z){
+        this.worldName = worldName;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+
+    public int getX() {
+        return x;
+    }
+
+    public int getZ() {
+        return z;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+    public String getWorldName() {
+        return worldName;
+    }
+
+    public ChunkCoordinate getChunkCoordinate() {
+        return new ChunkCoordinate(x >> 4, z >> 4);
+    }
+
+    public SimpleLocation add(int x, int y, int z) {
+        this.x += x;
+        this.y += y;
+        this.z += z;
+        return this;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        final SimpleLocation other = (SimpleLocation) obj;
+        if (!Objects.equals(worldName, other.getWorldName())) {
+            return false;
+        }
+        if (this.x != other.x) {
+            return false;
+        }
+        if (this.y != other.y) {
+            return false;
+        }
+        if (this.z != other.z) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 3;
+        hash = 7 * hash + (int) (Double.doubleToLongBits(this.x) ^ (Double.doubleToLongBits(this.x) >>> 32));
+        hash = 13 * hash + (int) (Double.doubleToLongBits(this.y) ^ (Double.doubleToLongBits(this.y) >>> 32));
+        hash = 19 * hash + (int) (Double.doubleToLongBits(this.z) ^ (Double.doubleToLongBits(this.z) >>> 32));
+        return hash;
+    }
+
+    @Nullable
+    public Location getBukkitLocation() {
+        World world = Bukkit.getWorld(worldName);
+        if (world == null) return null;
+        return new Location(world, x, y, z);
+    }
+
+    @Nullable
+    public World getBukkitWorld() {
+        return Bukkit.getWorld(worldName);
+    }
+
+    public static SimpleLocation getByString(String location) {
+        String[] loc = location.split(",", 4);
+        return new SimpleLocation(loc[0], Integer.parseInt(loc[1]), Integer.parseInt(loc[2]), Integer.parseInt(loc[3]));
+    }
+
+    public static SimpleLocation of(Location location) {
+        return new SimpleLocation(location.getWorld().getName(), location.getBlockX(), location.getBlockY(), location.getBlockZ());
+    }
+
+    @Override
+    public String toString() {
+        return "SimpleLocation{" +
+                "x=" + x +
+                ", y=" + y +
+                ", z=" + z +
+                ", worldName='" + worldName + '\'' +
+                '}';
+    }
+
+    public boolean isNear(SimpleLocation simpleLocation, int distance) {
+        if (Math.abs(simpleLocation.x - this.x) > distance) {
+            return false;
+        }
+        if (Math.abs(simpleLocation.z - this.z) > distance) {
+            return false;
+        }
+        if (Math.abs(simpleLocation.y - this.y) > distance) {
+            return false;
+        }
+        return true;
+    }
+
+    public SimpleLocation copy() {
+        return new SimpleLocation(worldName, x, y, z);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/SynchronizedCompoundMap.java

@@ -0,0 +1,67 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world;
+
+import com.flowpowered.nbt.CompoundMap;
+import com.flowpowered.nbt.Tag;
+
+import java.util.Objects;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+public class SynchronizedCompoundMap {
+
+    private final CompoundMap compoundMap;
+    private final ReadWriteLock rwLock = new ReentrantReadWriteLock();
+    private final java.util.concurrent.locks.Lock readLock = rwLock.readLock();
+    private final java.util.concurrent.locks.Lock writeLock = rwLock.writeLock();
+
+    public SynchronizedCompoundMap(CompoundMap compoundMap) {
+        this.compoundMap = compoundMap;
+    }
+
+    public CompoundMap getOriginalMap() {
+        return compoundMap;
+    }
+
+    public Tag<?> get(String key) {
+        readLock.lock();
+        try {
+            return compoundMap.get(key);
+        } finally {
+            readLock.unlock();
+        }
+    }
+
+    public Tag<?> put(String key, Tag<?> tag) {
+        writeLock.lock();
+        try {
+            return compoundMap.put(key, tag);
+        } finally {
+            writeLock.unlock();
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        SynchronizedCompoundMap that = (SynchronizedCompoundMap) o;
+        return Objects.equals(compoundMap, that.compoundMap);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/Tickable.java

@@ -0,0 +1,6 @@
+package net.momirealms.customcrops.api.mechanic.world;
+
+public interface Tickable {
+
+    void tick(int interval);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/AbstractCustomCropsBlock.java

@@ -0,0 +1,73 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import com.flowpowered.nbt.CompoundMap;
+import com.flowpowered.nbt.IntTag;
+import com.flowpowered.nbt.Tag;
+import net.momirealms.customcrops.api.mechanic.world.SimpleLocation;
+import net.momirealms.customcrops.api.mechanic.world.SynchronizedCompoundMap;
+
+public class AbstractCustomCropsBlock implements DataBlock {
+
+    private final SimpleLocation location;
+    private final SynchronizedCompoundMap compoundMap;
+
+    public AbstractCustomCropsBlock(SimpleLocation location, CompoundMap compoundMap) {
+        this.compoundMap = new SynchronizedCompoundMap(compoundMap);
+        this.location = location;
+    }
+
+    @Override
+    public void setData(String key, Tag<?> tag) {
+        compoundMap.put(key, tag);
+    }
+
+    @Override
+    public Tag<?> getData(String name) {
+        return compoundMap.get(name);
+    }
+
+    @Override
+    public SynchronizedCompoundMap getCompoundMap() {
+        return compoundMap;
+    }
+
+    @Override
+    public SimpleLocation getLocation() {
+        return location;
+    }
+
+    public boolean canTick(int interval) {
+        if (interval == 1) {
+            return true;
+        }
+        Tag<?> tag = getData("tick");
+        int tick = 0;
+        if (tag != null) {
+            tick = tag.getAsIntTag().map(IntTag::getValue).orElse(0);
+        }
+        if (++tick >= interval) {
+            setData("tick", new IntTag("tick", 0));
+            return true;
+        } else {
+            setData("tick", new IntTag("tick", tick));
+        }
+        return false;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/CustomCropsChunk.java

@@ -0,0 +1,105 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import net.momirealms.customcrops.api.mechanic.item.Crop;
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+import net.momirealms.customcrops.api.mechanic.item.Pot;
+import net.momirealms.customcrops.api.mechanic.item.Sprinkler;
+import net.momirealms.customcrops.api.mechanic.world.ChunkCoordinate;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+import net.momirealms.customcrops.api.mechanic.world.SimpleLocation;
+
+import java.util.Optional;
+
+public interface CustomCropsChunk {
+
+    void notifyOfflineUpdates();
+
+    CustomCropsWorld getCustomCropsWorld();
+
+    ChunkCoordinate getChunkCoordinate();
+
+    void secondTimer();
+
+    long getLastLoadedTime();
+
+    int getLoadedSeconds();
+
+    Optional<WorldCrop> getCropAt(SimpleLocation location);
+
+    Optional<WorldSprinkler> getSprinklerAt(SimpleLocation location);
+
+    Optional<WorldPot> getPotAt(SimpleLocation location);
+
+    Optional<WorldGlass> getGlassAt(SimpleLocation location);
+
+    Optional<WorldScarecrow> getScarecrowAt(SimpleLocation location);
+
+    Optional<CustomCropsBlock> getBlockAt(SimpleLocation location);
+
+    void addWaterToSprinkler(Sprinkler sprinkler, SimpleLocation location, int amount);
+
+    void addFertilizerToPot(Pot pot, Fertilizer fertilizer, SimpleLocation location);
+
+    void addWaterToPot(Pot pot, SimpleLocation location, int amount);
+
+    void removeSprinklerAt(SimpleLocation location);
+
+    void removePotAt(SimpleLocation location);
+
+    void removeCropAt(SimpleLocation location);
+
+    void removeGlassAt(SimpleLocation location);
+
+    void removeScarecrowAt(SimpleLocation location);
+
+    CustomCropsBlock removeBlockAt(SimpleLocation location);
+
+    CustomCropsBlock addBlockAt(CustomCropsBlock block, SimpleLocation location);
+
+    int getCropAmount();
+
+    int getPotAmount();
+
+    int getSprinklerAmount();
+
+    void addPotAt(WorldPot pot, SimpleLocation location);
+
+    void addSprinklerAt(WorldSprinkler sprinkler, SimpleLocation location);
+
+    void addCropAt(WorldCrop crop, SimpleLocation location);
+
+    void addPointToCrop(Crop crop, SimpleLocation location, int points);
+
+    void addGlassAt(WorldGlass glass, SimpleLocation location);
+
+    void addScarecrowAt(WorldScarecrow scarecrow, SimpleLocation location);
+
+    void updateLastLoadedTime();
+
+    CustomCropsSection[] getSections();
+
+    CustomCropsSection getSection(int sectionID);
+
+    int getUnloadedSeconds();
+
+    void setUnloadedSeconds(int unloadedSeconds);
+
+    boolean canPrune();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/CustomCropsSection.java

@@ -0,0 +1,40 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import net.momirealms.customcrops.api.mechanic.world.ChunkPos;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+
+import java.util.Map;
+
+public interface CustomCropsSection {
+
+    int getSectionID();
+
+    CustomCropsBlock getBlockAt(ChunkPos pos);
+
+    CustomCropsBlock removeBlockAt(ChunkPos pos);
+
+    CustomCropsBlock addBlockAt(ChunkPos pos, CustomCropsBlock block);
+
+    boolean canPrune();
+
+    CustomCropsBlock[] getBlocks();
+
+    Map<ChunkPos, CustomCropsBlock> getBlockMap();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/CustomCropsWorld.java

@@ -0,0 +1,114 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import net.momirealms.customcrops.api.mechanic.item.Crop;
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+import net.momirealms.customcrops.api.mechanic.item.Pot;
+import net.momirealms.customcrops.api.mechanic.item.Sprinkler;
+import net.momirealms.customcrops.api.mechanic.world.ChunkCoordinate;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+import net.momirealms.customcrops.api.mechanic.world.SimpleLocation;
+import net.momirealms.customcrops.api.mechanic.world.season.Season;
+import org.bukkit.World;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+import java.util.Optional;
+
+public interface CustomCropsWorld {
+
+    void startTick();
+
+    void cancelTick();
+
+    CustomCropsChunk removeLazyChunkAt(ChunkCoordinate chunkCoordinate);
+
+    WorldSetting getWorldSetting();
+
+    void setWorldSetting(WorldSetting setting);
+
+    Collection<? extends CustomCropsChunk> getChunkStorage();
+
+    World getWorld();
+
+    String getWorldName();
+
+    boolean isChunkLoaded(ChunkCoordinate chunkCoordinate);
+
+    Optional<CustomCropsChunk> getChunkAt(ChunkCoordinate chunkCoordinate);
+
+    void loadChunk(CustomCropsChunk chunk);
+
+    void unloadChunk(ChunkCoordinate chunkCoordinate);
+
+    void setInfoData(WorldInfoData infoData);
+
+    WorldInfoData getInfoData();
+
+    @Nullable
+    Season getSeason();
+
+    Optional<WorldSprinkler> getSprinklerAt(SimpleLocation location);
+
+    Optional<WorldPot> getPotAt(SimpleLocation location);
+
+    Optional<WorldCrop> getCropAt(SimpleLocation location);
+
+    Optional<WorldGlass> getGlassAt(SimpleLocation location);
+
+    Optional<WorldScarecrow> getScarecrowAt(SimpleLocation location);
+
+    Optional<CustomCropsBlock> getBlockAt(SimpleLocation location);
+
+    void addWaterToSprinkler(Sprinkler sprinkler, SimpleLocation location, int amount);
+
+    void addFertilizerToPot(Pot pot, Fertilizer fertilizer, SimpleLocation location);
+
+    void addWaterToPot(Pot pot, SimpleLocation location, int amount);
+
+    void removeSprinklerAt(SimpleLocation location);
+
+    void removePotAt(SimpleLocation location);
+
+    void removeCropAt(SimpleLocation location);
+
+    void removeGlassAt(SimpleLocation location);
+
+    void removeScarecrowAt(SimpleLocation location);
+
+    CustomCropsBlock removeAnythingAt(SimpleLocation location);
+
+    boolean isPotReachLimit(SimpleLocation location);
+
+    boolean isCropReachLimit(SimpleLocation location);
+
+    boolean isSprinklerReachLimit(SimpleLocation location);
+
+    void addPotAt(WorldPot pot, SimpleLocation location);
+
+    void addSprinklerAt(WorldSprinkler sprinkler, SimpleLocation location);
+
+    void addCropAt(WorldCrop crop, SimpleLocation location);
+
+    void addPointToCrop(Crop crop, SimpleLocation location, int points);
+
+    void addGlassAt(WorldGlass glass, SimpleLocation location);
+
+    void addScarecrowAt(WorldScarecrow scarecrow, SimpleLocation location);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/DataBlock.java

@@ -0,0 +1,33 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import com.flowpowered.nbt.Tag;
+import net.momirealms.customcrops.api.mechanic.world.SimpleLocation;
+import net.momirealms.customcrops.api.mechanic.world.SynchronizedCompoundMap;
+
+public interface DataBlock {
+
+    void setData(String key, Tag<?> tag);
+
+    Tag<?> getData(String key);
+
+    SynchronizedCompoundMap getCompoundMap();
+
+    SimpleLocation getLocation();
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/WorldCrop.java

@@ -15,28 +15,18 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package net.momirealms.customcrops.api.object;
+package net.momirealms.customcrops.api.mechanic.world.level;
 
-/**
- * Crops
- */
-public interface CCGrowingCrop {
+import net.momirealms.customcrops.api.mechanic.item.Crop;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
 
-    /**
-     * Get the crop growing point
-     * @return point
-     */
-    int getPoints();
+public interface WorldCrop extends CustomCropsBlock {
 
-    /**
-     * Set the growing point
-     * @param points points
-     */
-    void setPoints(int points);
-
-    /**
-     * Get the crop config key
-     * @return crop key
-     */
     String getKey();
+
+    int getPoint();
+
+    void setPoint(int point);
+
+    Crop getConfig();
 }

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/WorldGlass.java

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+
+public interface WorldGlass extends CustomCropsBlock {
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/WorldInfoData.java

@@ -0,0 +1,63 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import com.google.gson.annotations.SerializedName;
+import net.momirealms.customcrops.api.mechanic.world.season.Season;
+
+public class WorldInfoData {
+
+    @SerializedName("season")
+    private Season season;
+    @SerializedName("date")
+    private int date;
+
+    public WorldInfoData(Season season, int date) {
+        this.season = season;
+        this.date = date;
+    }
+
+    public static WorldInfoData empty() {
+        return new WorldInfoData(Season.SPRING, 1);
+    }
+
+    public Season getSeason() {
+        if (season == null) season = Season.SPRING;
+        return season;
+    }
+
+    public void setSeason(Season season) {
+        this.season = season;
+    }
+
+    public int getDate() {
+        return date;
+    }
+
+    public void setDate(int date) {
+        this.date = date;
+    }
+
+    @Override
+    public String toString() {
+        return "WorldInfoData{" +
+                "season=" + season +
+                ", date=" + date +
+                '}';
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/WorldPot.java

@@ -0,0 +1,45 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import net.momirealms.customcrops.api.mechanic.item.Fertilizer;
+import net.momirealms.customcrops.api.mechanic.item.Pot;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+
+public interface WorldPot extends CustomCropsBlock {
+
+    String getKey();
+
+    int getWater();
+
+    void setWater(int water);
+
+    Fertilizer getFertilizer();
+
+    void setFertilizer(Fertilizer fertilizer);
+
+    void removeFertilizer();
+
+    int getFertilizerTimes();
+
+    void setFertilizerTimes(int times);
+
+    Pot getConfig();
+
+    void tickWater(CustomCropsChunk chunk);
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/WorldScarecrow.java

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+
+public interface WorldScarecrow extends CustomCropsBlock {
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/WorldSetting.java

@@ -0,0 +1,191 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.level;
+
+public class WorldSetting implements Cloneable {
+
+    private final boolean enableScheduler;
+    private final int minTickUnit;
+    private final int tickCropInterval;
+    private final int tickPotInterval;
+    private final int tickSprinklerInterval;
+    private final boolean offlineGrow;
+    private final boolean enableSeason;
+    private final boolean autoSeasonChange;
+    private final int seasonDuration;
+    private final int cropPerChunk;
+    private final int potPerChunk;
+    private final int sprinklerPerChunk;
+    private final int randomTickSpeed;
+    private final boolean tickCropRandomly;
+    private final boolean tickPotRandomly;
+    private final boolean tickSprinklerRandomly;
+    private final boolean scheduledTick;
+
+    private WorldSetting(
+            boolean enableScheduler,
+            int minTickUnit,
+            boolean tickCropRandomly,
+            int tickCropInterval,
+            boolean tickPotRandomly,
+            int tickPotInterval,
+            boolean tickSprinklerRandomly,
+            int tickSprinklerInterval,
+            boolean offlineGrow,
+            boolean enableSeason,
+            boolean autoSeasonChange,
+            int seasonDuration,
+            int cropPerChunk,
+            int potPerChunk,
+            int sprinklerPerChunk,
+            int randomTickSpeed
+    ) {
+        this.enableScheduler = enableScheduler;
+        this.minTickUnit = minTickUnit;
+        this.tickCropInterval = tickCropInterval;
+        this.tickPotInterval = tickPotInterval;
+        this.tickSprinklerInterval = tickSprinklerInterval;
+        this.offlineGrow = offlineGrow;
+        this.enableSeason = enableSeason;
+        this.autoSeasonChange = autoSeasonChange;
+        this.seasonDuration = seasonDuration;
+        this.cropPerChunk = cropPerChunk;
+        this.potPerChunk = potPerChunk;
+        this.sprinklerPerChunk = sprinklerPerChunk;
+        this.randomTickSpeed = randomTickSpeed;
+        this.tickCropRandomly = tickCropRandomly;
+        this.tickPotRandomly = tickPotRandomly;
+        this.tickSprinklerRandomly = tickSprinklerRandomly;
+        this.scheduledTick = !(tickCropRandomly && tickPotRandomly && tickSprinklerRandomly);
+    }
+
+    public static WorldSetting of(
+            boolean enableScheduler,
+            int minTickUnit,
+            boolean tickCropRandomly,
+            int tickCropInterval,
+            boolean tickPotRandomly,
+            int tickPotInterval,
+            boolean tickSprinklerRandomly,
+            int tickSprinklerInterval,
+            boolean offlineGrow,
+            boolean enableSeason,
+            boolean autoSeasonChange,
+            int seasonDuration,
+            int cropPerChunk,
+            int potPerChunk,
+            int sprinklerPerChunk,
+            int randomTickSpeed
+    ) {
+        return new WorldSetting(
+                enableScheduler,
+                minTickUnit,
+                tickCropRandomly,
+                tickCropInterval,
+                tickPotRandomly,
+                tickPotInterval,
+                tickSprinklerRandomly,
+                tickSprinklerInterval,
+                offlineGrow,
+                enableSeason,
+                autoSeasonChange,
+                seasonDuration,
+                cropPerChunk,
+                potPerChunk,
+                sprinklerPerChunk,
+                randomTickSpeed
+        );
+    }
+
+    public boolean isEnableScheduler() {
+        return enableScheduler;
+    }
+
+    public int getMinTickUnit() {
+        return minTickUnit;
+    }
+
+    public int getTickCropInterval() {
+        return tickCropInterval;
+    }
+
+    public int getTickPotInterval() {
+        return tickPotInterval;
+    }
+
+    public int getTickSprinklerInterval() {
+        return tickSprinklerInterval;
+    }
+
+    public boolean isOfflineGrow() {
+        return offlineGrow;
+    }
+
+    public boolean isEnableSeason() {
+        return enableSeason;
+    }
+
+    public boolean isAutoSeasonChange() {
+        return autoSeasonChange;
+    }
+
+    public int getSeasonDuration() {
+        return seasonDuration;
+    }
+
+    public int getPotPerChunk() {
+        return potPerChunk;
+    }
+
+    public int getCropPerChunk() {
+        return cropPerChunk;
+    }
+
+    public int getSprinklerPerChunk() {
+        return sprinklerPerChunk;
+    }
+
+    public int getRandomTickSpeed() {
+        return randomTickSpeed;
+    }
+
+    public boolean isScheduledTick() {
+        return scheduledTick;
+    }
+
+    @Override
+    public WorldSetting clone() {
+        try {
+            return (WorldSetting) super.clone();
+        } catch (CloneNotSupportedException e) {
+            throw new AssertionError();
+        }
+    }
+
+    public boolean randomTickCrop() {
+        return tickCropRandomly;
+    }
+
+    public boolean randomTickSprinkler() {
+        return tickSprinklerRandomly;
+    }
+
+    public boolean randomTickPot() {
+        return tickPotRandomly;
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/level/WorldSprinkler.java

@@ -15,28 +15,18 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package net.momirealms.customcrops.api.object;
+package net.momirealms.customcrops.api.mechanic.world.level;
 
-/**
- * Sprinkler
- */
-public interface CCSprinkler {
+import net.momirealms.customcrops.api.mechanic.item.Sprinkler;
+import net.momirealms.customcrops.api.mechanic.world.CustomCropsBlock;
+
+public interface WorldSprinkler extends CustomCropsBlock {
 
-    /**
-     * Get the remaining water
-     * @return water amount
-     */
     int getWater();
 
-    /**
-     * Set the remaining water
-     * @param water water
-     */
     void setWater(int water);
 
-    /**
-     * Get the sprinkler config key
-     * @return sprinkler key
-     */
     String getKey();
+
+    Sprinkler getConfig();
 }

api/src/main/java/net/momirealms/customcrops/api/mechanic/world/season/Season.java

@@ -0,0 +1,30 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.mechanic.world.season;
+
+public enum Season {
+
+    SPRING,
+    SUMMER,
+    AUTUMN,
+    WINTER;
+
+    public Season getNextSeason() {
+        return Season.values()[(this.ordinal() + 1) % 4];
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/object/CCPot.java

@@ -1,67 +0,0 @@
-/*
- *  Copyright (C) <2022> <XiaoMoMi>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.momirealms.customcrops.api.object;
-
-/**
- * Pot
- */
-public interface CCPot {
-
-    /**
-     * Get the pot config key
-     * @return key
-     */
-    String getKey();
-
-    /**
-     * Get the fertilizer inside the pot
-     * @return fertilizer
-     */
-    CCFertilizer getFertilizer();
-
-    /**
-     * Set the fertilizer to the pot
-     * @param fertilizer fertilizer
-     */
-    void setFertilizer(CCFertilizer fertilizer);
-
-    /**
-     * Get the water amount
-     * @return water amount
-     */
-    int getWater();
-
-    /**
-     * Whether the pot is wet
-     * @return wet or not
-     */
-    boolean isWet();
-
-    /**
-     * Add water to pot
-     * @param amount water amount
-     * @return whether the pot is previously dry
-     */
-    boolean addWater(int amount);
-
-    /**
-     * Set water amount
-     * @param amount amount
-     */
-    void setWater(int amount);
-}

api/src/main/java/net/momirealms/customcrops/api/scheduler/CancellableTask.java

@@ -15,22 +15,19 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package net.momirealms.customcrops.api.object;
+package net.momirealms.customcrops.api.scheduler;
 
-/**
- * Season
- */
-public interface CCWorldSeason {
+public interface CancellableTask {
 
     /**
-     * SPRING, SUMMER, AUTUMN, WINTER
-     * @return season
+     * Cancel the task
      */
-    String getSeason();
+    void cancel();
 
     /**
-     * Get the season display name
-     * @return display name
+     * Get if the task is cancelled or not
+     *
+     * @return cancelled or not
      */
-    String getDisplay();
+    boolean isCancelled();
 }

api/src/main/java/net/momirealms/customcrops/api/scheduler/Scheduler.java

@@ -0,0 +1,93 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.scheduler;
+
+import org.bukkit.Location;
+
+import java.util.concurrent.TimeUnit;
+
+public interface Scheduler {
+
+    /**
+     * Runs a task synchronously on the main server thread or region thread.
+     *
+     * @param runnable The task to run.
+     * @param location The location associated with the task.
+     */
+    void runTaskSync(Runnable runnable, Location location);
+
+    /**
+     * Runs a task synchronously with a specified delay and period.
+     *
+     * @param runnable    The task to run.
+     * @param location    The location associated with the task.
+     * @param delayTicks  The delay in ticks before the first execution.
+     * @param periodTicks The period between subsequent executions in ticks.
+     * @return A CancellableTask for managing the scheduled task.
+     */
+    CancellableTask runTaskSyncTimer(Runnable runnable, Location location, long delayTicks, long periodTicks);
+
+    /**
+     * Runs a task asynchronously with a specified delay.
+     *
+     * @param runnable  The task to run.
+     * @param delay     The delay before the task execution.
+     * @param timeUnit  The time unit for the delay.
+     * @return A CancellableTask for managing the scheduled task.
+     */
+    CancellableTask runTaskAsyncLater(Runnable runnable, long delay, TimeUnit timeUnit);
+
+    /**
+     * Runs a task asynchronously.
+     *
+     * @param runnable The task to run.
+     */
+    void runTaskAsync(Runnable runnable);
+
+    /**
+     * Runs a task synchronously with a specified delay.
+     *
+     * @param runnable  The task to run.
+     * @param location  The location associated with the task.
+     * @param delay     The delay before the task execution.
+     * @param timeUnit  The time unit for the delay.
+     * @return A CancellableTask for managing the scheduled task.
+     */
+    CancellableTask runTaskSyncLater(Runnable runnable, Location location, long delay, TimeUnit timeUnit);
+
+    /**
+     * Runs a task synchronously with a specified delay in ticks.
+     *
+     * @param runnable    The task to run.
+     * @param location    The location associated with the task.
+     * @param delayTicks  The delay in ticks before the task execution.
+     * @return A CancellableTask for managing the scheduled task.
+     */
+    CancellableTask runTaskSyncLater(Runnable runnable, Location location, long delayTicks);
+
+    /**
+     * Runs a task asynchronously with a specified delay and period.
+     *
+     * @param runnable    The task to run.
+     * @param delay       The delay before the first execution.
+     * @param period      The period between subsequent executions.
+     * @param timeUnit    The time unit for the delay and period.
+     * @return A CancellableTask for managing the scheduled task.
+     */
+    CancellableTask runTaskAsyncTimer(Runnable runnable, long delay, long period, TimeUnit timeUnit);
+}

api/src/main/java/net/momirealms/customcrops/api/util/LocationUtils.java

@@ -0,0 +1,44 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.util;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+
+public class LocationUtils {
+
+    private LocationUtils() {}
+
+    /**
+     * Calculates the Euclidean distance between two locations in 3D space.
+     *
+     * @param location1 The first location
+     * @param location2 The second location
+     * @return The Euclidean distance between the two locations
+     */
+    public static double getDistance(Location location1, Location location2) {
+        return Math.sqrt(Math.pow(location2.getX() - location1.getX(), 2) +
+                Math.pow(location2.getY() - location1.getY(), 2) +
+                Math.pow(location2.getZ() - location1.getZ(), 2)
+        );
+    }
+
+    public static Location getAnyLocationInstance() {
+        return new Location(Bukkit.getWorlds().get(0), 0, 64, 0);
+    }
+}

api/src/main/java/net/momirealms/customcrops/api/util/LogUtils.java

@@ -0,0 +1,78 @@
+/*
+ *  Copyright (C) <2022> <XiaoMoMi>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customcrops.api.util;
+
+import net.momirealms.customcrops.api.CustomCropsPlugin;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.logging.Level;
+
+/**
+ * Utility class for logging messages with various log levels.
+ */
+public final class LogUtils {
+
+    private LogUtils() {}
+
+    /**
+     * Log an informational message.
+     *
+     * @param message The message to log.
+     */
+    public static void info(@NotNull String message) {
+        CustomCropsPlugin.getInstance().getLogger().info(message);
+    }
+
+    /**
+     * Log a warning message.
+     *
+     * @param message The message to log.
+     */
+    public static void warn(@NotNull String message) {
+        CustomCropsPlugin.getInstance().getLogger().warning(message);
+    }
+
+    /**
+     * Log a severe error message.
+     *
+     * @param message The message to log.
+     */
+    public static void severe(@NotNull String message) {
+        CustomCropsPlugin.getInstance().getLogger().severe(message);
+    }
+
+    /**
+     * Log a warning message with a throwable exception.
+     *
+     * @param message    The message to log.
+     * @param throwable  The throwable exception to log.
+     */
+    public static void warn(@NotNull String message, Throwable throwable) {
+        CustomCropsPlugin.getInstance().getLogger().log(Level.WARNING, message, throwable);
+    }
+
+    /**
+     * Log a severe error message with a throwable exception.
+     *
+     * @param message    The message to log.
+     * @param throwable  The throwable exception to log.
+     */
+    public static void severe(@NotNull String message, Throwable throwable) {
+        CustomCropsPlugin.getInstance().getLogger().log(Level.SEVERE, message, throwable);
+    }
+}