implement missed bukkit things

arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/world/level/block/entity/BannerBlockEntityMixin.java

@@ -0,0 +1,70 @@
+package io.izzel.arclight.common.mixin.core.world.level.block.entity;
+
+import io.izzel.arclight.common.mod.server.ArclightServer;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.HolderLookup;
+import net.minecraft.core.component.DataComponents;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.NbtOps;
+import net.minecraft.network.chat.Component;
+import net.minecraft.world.level.block.entity.BannerBlockEntity;
+import net.minecraft.world.level.block.entity.BannerPatternLayers;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.BlockEntityType;
+import net.minecraft.world.level.block.state.BlockState;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+import java.util.List;
+
+@Mixin(BannerBlockEntity.class)
+public abstract class BannerBlockEntityMixin extends BlockEntity {
+
+    @Shadow private BannerPatternLayers patterns;
+    @Shadow private Component name;
+
+    public BannerBlockEntityMixin(BlockEntityType<?> blockEntityType, BlockPos blockPos, BlockState blockState) {
+        super(blockEntityType, blockPos, blockState);
+    }
+
+    /**
+     * @author sj-hub9796
+     * @reason
+     */
+    @Overwrite
+    protected void loadAdditional(CompoundTag compoundTag, HolderLookup.Provider provider) {
+        super.loadAdditional(compoundTag, provider);
+        if (compoundTag.contains("CustomName", 8)) {
+            this.name = parseCustomNameSafe(compoundTag.getString("CustomName"), provider);
+        }
+
+        if (compoundTag.contains("patterns")) {
+            BannerPatternLayers.CODEC.parse(provider.createSerializationContext(NbtOps.INSTANCE), compoundTag.get("patterns")).resultOrPartial((string) -> {
+                ArclightServer.LOGGER.error("Failed to parse banner patterns: '{}'", string);
+            }).ifPresent((bannerPatternLayers) -> {
+                this.setPatterns(bannerPatternLayers); // CraftBukkit - apply limits
+            });
+        }
+    }
+
+    /**
+     * @author sj-hub9796
+     * @reason
+     */
+    @Overwrite
+    protected void applyImplicitComponents(BlockEntity.DataComponentInput dataComponentInput) {
+        super.applyImplicitComponents(dataComponentInput);
+        this.setPatterns((BannerPatternLayers) dataComponentInput.getOrDefault(DataComponents.BANNER_PATTERNS, BannerPatternLayers.EMPTY)); // CraftBukkit - apply limits
+        this.name = (Component)dataComponentInput.get(DataComponents.CUSTOM_NAME);
+    }
+
+    // CraftBukkit start
+    public void setPatterns(BannerPatternLayers bannerpatternlayers) {
+        if (bannerpatternlayers.layers().size() > 20) {
+            bannerpatternlayers = new BannerPatternLayers(List.copyOf(bannerpatternlayers.layers().subList(0, 20)));
+        }
+        this.patterns = bannerpatternlayers;
+    }
+    // CraftBukkit end
+}

arclight-common/src/main/resources/mixins.arclight.core.json

@@ -491,6 +491,7 @@
     "world.level.block.entity.BrushableBlockEntityMixin",
     "world.level.block.entity.CampfireBlockEntityMixin",
     "world.level.block.entity.ChestBlockEntityMixin",
+    "world.level.block.entity.BannerBlockEntityMixin",
     "world.level.block.entity.ChiseledBookShelfBlockEntityMixin",
     "world.level.block.entity.CommandBlockLogicMixin",
     "world.level.block.entity.CommandBlockTileEntity1Mixin",