Fix several missing method.

arclight-common/src/main/java/io/izzel/arclight/common/bridge/world/server/ChunkManagerBridge.java

@@ -1,6 +1,7 @@
 package io.izzel.arclight.common.bridge.world.server;
 
 import io.izzel.arclight.common.mod.util.ArclightCallbackExecutor;
+import net.minecraft.world.server.ChunkHolder;
 
 import java.util.function.BooleanSupplier;
 
@@ -9,4 +10,6 @@ public interface ChunkManagerBridge {
     void bridge$tick(BooleanSupplier hasMoreTime);
 
     ArclightCallbackExecutor bridge$getCallbackExecutor();
+
+    ChunkHolder bridge$chunkHolderAt(long chunkPos);
 }

arclight-common/src/main/java/io/izzel/arclight/common/bridge/world/server/ServerChunkProviderBridge.java

@@ -12,5 +12,7 @@ public interface ServerChunkProviderBridge {
 
     boolean bridge$tickDistanceManager();
 
+    boolean bridge$isChunkLoaded(int x, int z);
+
     ServerWorldLightManager bridge$getLightManager();
 }

arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/world/server/ChunkManagerMixin.java

@@ -1,17 +1,21 @@
 package io.izzel.arclight.common.mixin.core.world.server;
 
 import io.izzel.arclight.common.bridge.world.server.ChunkManagerBridge;
+import io.izzel.arclight.common.mod.util.ArclightCallbackExecutor;
+import net.minecraft.world.server.ChunkHolder;
 import net.minecraft.world.server.ChunkManager;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.gen.Invoker;
-import io.izzel.arclight.common.mod.util.ArclightCallbackExecutor;
 
+import javax.annotation.Nullable;
 import java.util.function.BooleanSupplier;
 
 @Mixin(ChunkManager.class)
 public abstract class ChunkManagerMixin implements ChunkManagerBridge {
 
     // @formatter:off
+    @Shadow @Nullable protected abstract ChunkHolder func_219220_a(long chunkPosIn);
     @Invoker("tick") public abstract void bridge$tick(BooleanSupplier hasMoreTime);
     // @formatter:on
 
@@ -21,4 +25,9 @@ public abstract class ChunkManagerMixin implements ChunkManagerBridge {
     public ArclightCallbackExecutor bridge$getCallbackExecutor() {
         return this.callbackExecutor;
     }
+
+    @Override
+    public ChunkHolder bridge$chunkHolderAt(long chunkPos) {
+        return func_219220_a(chunkPos);
+    }
 }

arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/world/server/ServerChunkProviderMixin.java

@@ -46,6 +46,16 @@ public abstract class ServerChunkProviderMixin implements ServerChunkProviderBri
     @Accessor("lightManager") public abstract ServerWorldLightManager bridge$getLightManager();
     // @formatter:on
 
+    public boolean isChunkLoaded(final int chunkX, final int chunkZ) {
+        final ChunkHolder chunk = ((ChunkManagerBridge) this.chunkManager).bridge$chunkHolderAt(ChunkPos.asLong(chunkX, chunkZ));
+        return chunk != null && ((ChunkHolderBridge) chunk).bridge$getFullChunk() != null;
+    }
+
+    @Override
+    public boolean bridge$isChunkLoaded(int x, int z) {
+        return isChunkLoaded(x, z);
+    }
+
     /**
      * @author IzzelAliz
      * @reason

arclight-common/src/main/java/io/izzel/arclight/common/mod/util/ArclightSpecialRecipe.java

@@ -5,13 +5,17 @@ import net.minecraft.item.crafting.IRecipe;
 import net.minecraft.item.crafting.Ingredient;
 import net.minecraft.item.crafting.SpecialRecipe;
 import org.bukkit.Bukkit;
+import org.bukkit.Keyed;
+import org.bukkit.NamespacedKey;
 import org.bukkit.craftbukkit.v.CraftServer;
+import org.bukkit.craftbukkit.v.inventory.CraftItemStack;
 import org.bukkit.craftbukkit.v.inventory.CraftRecipe;
 import org.bukkit.craftbukkit.v.inventory.CraftShapedRecipe;
 import org.bukkit.craftbukkit.v.inventory.CraftShapelessRecipe;
 import org.bukkit.craftbukkit.v.util.CraftNamespacedKey;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.RecipeChoice;
+import org.jetbrains.annotations.NotNull;
 
 public class ArclightSpecialRecipe {
 
@@ -49,7 +53,35 @@ public class ArclightSpecialRecipe {
         }
     }
 
-    public static CraftShapelessRecipe shapeless(ItemStack result, IRecipe<?> recipe, Ingredient... ingredients) {
+    public static class Dynamic implements CraftRecipe, Keyed {
+
+        private final IRecipe<?> recipe;
+
+        public Dynamic(IRecipe<?> recipe) {
+            this.recipe = recipe;
+        }
+
+        @Override
+        public void addToCraftingManager() {
+            ((RecipeManagerBridge) ((CraftServer) Bukkit.getServer()).getServer().getRecipeManager()).bridge$addRecipe(this.recipe);
+        }
+
+        @Override
+        public @NotNull ItemStack getResult() {
+            return CraftItemStack.asCraftMirror(this.recipe.getRecipeOutput());
+        }
+
+        @Override
+        @NotNull
+        public NamespacedKey getKey() {
+            return CraftNamespacedKey.fromMinecraft(this.recipe.getId());
+        }
+    }
+
+    public static CraftRecipe shapeless(ItemStack result, IRecipe<?> recipe, Ingredient... ingredients) {
+        if (recipe.getRecipeOutput().isEmpty()) {
+            return new Dynamic(recipe);
+        }
         Shapeless shapeless = new Shapeless(result, recipe);
         for (Ingredient ingredient : ingredients) {
             shapeless.addIngredient(CraftRecipe.toBukkit(ingredient));