package net.minecraft.network.protocol.game;

import net.minecraft.core.BlockPos;
import net.minecraft.core.registries.Registries;
import net.minecraft.network.RegistryFriendlyByteBuf;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.PacketType;
import net.minecraft.world.level.block.Block;

/**
 * Triggers a block event on the client.
 * 
 * @see Block#triggerEvent
 * @see Level#blockEvent
 */
public class ClientboundBlockEventPacket implements Packet<ClientGamePacketListener> {
	public static final StreamCodec<RegistryFriendlyByteBuf, ClientboundBlockEventPacket> STREAM_CODEC = Packet.codec(
		ClientboundBlockEventPacket::write, ClientboundBlockEventPacket::new
	);
	private final BlockPos pos;
	private final int b0;
	private final int b1;
	private final Block block;

	/**
	 * @param b0 first parameter of the block event. The meaning of this value depends on the block.
	 * @param b1 second parameter of the block event. The meaning of this value depends on the block.
	 */
	public ClientboundBlockEventPacket(BlockPos pos, Block block, int b0, int b1) {
		this.pos = pos;
		this.block = block;
		this.b0 = b0;
		this.b1 = b1;
	}

	private ClientboundBlockEventPacket(RegistryFriendlyByteBuf buffer) {
		this.pos = buffer.readBlockPos();
		this.b0 = buffer.readUnsignedByte();
		this.b1 = buffer.readUnsignedByte();
		this.block = ByteBufCodecs.registry(Registries.BLOCK).decode(buffer);
	}

	private void write(RegistryFriendlyByteBuf buffer) {
		buffer.writeBlockPos(this.pos);
		buffer.writeByte(this.b0);
		buffer.writeByte(this.b1);
		ByteBufCodecs.registry(Registries.BLOCK).encode(buffer, this.block);
	}

	@Override
	public PacketType<ClientboundBlockEventPacket> type() {
		return GamePacketTypes.CLIENTBOUND_BLOCK_EVENT;
	}

	/**
	 * Passes this Packet on to the NetHandler for processing.
	 */
	public void handle(ClientGamePacketListener handler) {
		handler.handleBlockEvent(this);
	}

	public BlockPos getPos() {
		return this.pos;
	}

	/**
	 * First parameter of the block event. The meaning of this value depends on the block.
	 */
	public int getB0() {
		return this.b0;
	}

	/**
	 * Second parameter of the block event. The meaning of this value depends on the block.
	 */
	public int getB1() {
		return this.b1;
	}

	public Block getBlock() {
		return this.block;
	}
}