minecraft-src/net/minecraft/world/level/block/entity/CampfireBlockEntity.java

package net.minecraft.world.level.block.entity;

import java.util.Optional;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.NonNullList;
import net.minecraft.core.HolderLookup.Provider;
import net.minecraft.core.component.DataComponents;
import net.minecraft.core.component.DataComponentMap.Builder;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.util.Mth;
import net.minecraft.util.RandomSource;
import net.minecraft.world.Clearable;
import net.minecraft.world.ContainerHelper;
import net.minecraft.world.Containers;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.component.ItemContainerContents;
import net.minecraft.world.item.crafting.CampfireCookingRecipe;
import net.minecraft.world.item.crafting.RecipeHolder;
import net.minecraft.world.item.crafting.RecipeManager;
import net.minecraft.world.item.crafting.RecipeType;
import net.minecraft.world.item.crafting.SingleRecipeInput;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.CampfireBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.level.gameevent.GameEvent.Context;
import org.jetbrains.annotations.Nullable;

public class CampfireBlockEntity extends BlockEntity implements Clearable {
	private static final int BURN_COOL_SPEED = 2;
	private static final int NUM_SLOTS = 4;
	private final NonNullList<ItemStack> items = NonNullList.withSize(4, ItemStack.EMPTY);
	private final int[] cookingProgress = new int[4];
	private final int[] cookingTime = new int[4];

	public CampfireBlockEntity(BlockPos pos, BlockState blockState) {
		super(BlockEntityType.CAMPFIRE, pos, blockState);
	}

	public static void cookTick(
		ServerLevel level, BlockPos pos, BlockState state, CampfireBlockEntity campfire, RecipeManager.CachedCheck<SingleRecipeInput, CampfireCookingRecipe> check
	) {
		boolean bl = false;

		for (int i = 0; i < campfire.items.size(); i++) {
			ItemStack itemStack = campfire.items.get(i);
			if (!itemStack.isEmpty()) {
				bl = true;
				campfire.cookingProgress[i]++;
				if (campfire.cookingProgress[i] >= campfire.cookingTime[i]) {
					SingleRecipeInput singleRecipeInput = new SingleRecipeInput(itemStack);
					ItemStack itemStack2 = (ItemStack)check.getRecipeFor(singleRecipeInput, level)
						.map(recipeHolder -> ((CampfireCookingRecipe)recipeHolder.value()).assemble(singleRecipeInput, level.registryAccess()))
						.orElse(itemStack);
					if (itemStack2.isItemEnabled(level.enabledFeatures())) {
						Containers.dropItemStack(level, pos.getX(), pos.getY(), pos.getZ(), itemStack2);
						campfire.items.set(i, ItemStack.EMPTY);
						level.sendBlockUpdated(pos, state, state, 3);
						level.gameEvent(GameEvent.BLOCK_CHANGE, pos, Context.of(state));
					}
				}
			}
		}

		if (bl) {
			setChanged(level, pos, state);
		}
	}

	public static void cooldownTick(Level level, BlockPos pos, BlockState state, CampfireBlockEntity blockEntity) {
		boolean bl = false;

		for (int i = 0; i < blockEntity.items.size(); i++) {
			if (blockEntity.cookingProgress[i] > 0) {
				bl = true;
				blockEntity.cookingProgress[i] = Mth.clamp(blockEntity.cookingProgress[i] - 2, 0, blockEntity.cookingTime[i]);
			}
		}

		if (bl) {
			setChanged(level, pos, state);
		}
	}

	public static void particleTick(Level level, BlockPos pos, BlockState state, CampfireBlockEntity blockEntity) {
		RandomSource randomSource = level.random;
		if (randomSource.nextFloat() < 0.11F) {
			for (int i = 0; i < randomSource.nextInt(2) + 2; i++) {
				CampfireBlock.makeParticles(level, pos, (Boolean)state.getValue(CampfireBlock.SIGNAL_FIRE), false);
			}
		}

		int i = ((Direction)state.getValue(CampfireBlock.FACING)).get2DDataValue();

		for (int j = 0; j < blockEntity.items.size(); j++) {
			if (!blockEntity.items.get(j).isEmpty() && randomSource.nextFloat() < 0.2F) {
				Direction direction = Direction.from2DDataValue(Math.floorMod(j + i, 4));
				float f = 0.3125F;
				double d = pos.getX() + 0.5 - direction.getStepX() * 0.3125F + direction.getClockWise().getStepX() * 0.3125F;
				double e = pos.getY() + 0.5;
				double g = pos.getZ() + 0.5 - direction.getStepZ() * 0.3125F + direction.getClockWise().getStepZ() * 0.3125F;

				for (int k = 0; k < 4; k++) {
					level.addParticle(ParticleTypes.SMOKE, d, e, g, 0.0, 5.0E-4, 0.0);
				}
			}
		}
	}

	/**
	 * @return the items currently held in this campfire
	 */
	public NonNullList<ItemStack> getItems() {
		return this.items;
	}

	@Override
	protected void loadAdditional(CompoundTag tag, Provider registries) {
		super.loadAdditional(tag, registries);
		this.items.clear();
		ContainerHelper.loadAllItems(tag, this.items, registries);
		if (tag.contains("CookingTimes", 11)) {
			int[] is = tag.getIntArray("CookingTimes");
			System.arraycopy(is, 0, this.cookingProgress, 0, Math.min(this.cookingTime.length, is.length));
		}

		if (tag.contains("CookingTotalTimes", 11)) {
			int[] is = tag.getIntArray("CookingTotalTimes");
			System.arraycopy(is, 0, this.cookingTime, 0, Math.min(this.cookingTime.length, is.length));
		}
	}

	@Override
	protected void saveAdditional(CompoundTag tag, Provider registries) {
		super.saveAdditional(tag, registries);
		ContainerHelper.saveAllItems(tag, this.items, true, registries);
		tag.putIntArray("CookingTimes", this.cookingProgress);
		tag.putIntArray("CookingTotalTimes", this.cookingTime);
	}

	public ClientboundBlockEntityDataPacket getUpdatePacket() {
		return ClientboundBlockEntityDataPacket.create(this);
	}

	@Override
	public CompoundTag getUpdateTag(Provider registries) {
		CompoundTag compoundTag = new CompoundTag();
		ContainerHelper.saveAllItems(compoundTag, this.items, true, registries);
		return compoundTag;
	}

	public boolean placeFood(ServerLevel level, @Nullable LivingEntity entity, ItemStack stack) {
		for (int i = 0; i < this.items.size(); i++) {
			ItemStack itemStack = this.items.get(i);
			if (itemStack.isEmpty()) {
				Optional<RecipeHolder<CampfireCookingRecipe>> optional = level.recipeAccess()
					.getRecipeFor(RecipeType.CAMPFIRE_COOKING, new SingleRecipeInput(stack), level);
				if (optional.isEmpty()) {
					return false;
				}

				this.cookingTime[i] = ((CampfireCookingRecipe)((RecipeHolder)optional.get()).value()).cookingTime();
				this.cookingProgress[i] = 0;
				this.items.set(i, stack.consumeAndReturn(1, entity));
				level.gameEvent(GameEvent.BLOCK_CHANGE, this.getBlockPos(), Context.of(entity, this.getBlockState()));
				this.markUpdated();
				return true;
			}
		}

		return false;
	}

	private void markUpdated() {
		this.setChanged();
		this.getLevel().sendBlockUpdated(this.getBlockPos(), this.getBlockState(), this.getBlockState(), 3);
	}

	@Override
	public void clearContent() {
		this.items.clear();
	}

	public void dowse() {
		if (this.level != null) {
			this.markUpdated();
		}
	}

	@Override
	protected void applyImplicitComponents(BlockEntity.DataComponentInput componentInput) {
		super.applyImplicitComponents(componentInput);
		componentInput.getOrDefault(DataComponents.CONTAINER, ItemContainerContents.EMPTY).copyInto(this.getItems());
	}

	@Override
	protected void collectImplicitComponents(Builder components) {
		super.collectImplicitComponents(components);
		components.set(DataComponents.CONTAINER, ItemContainerContents.fromItems(this.getItems()));
	}

	@Override
	public void removeComponentsFromTag(CompoundTag tag) {
		tag.remove("Items");
	}
}