package net.minecraft.network.protocol.game;

import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.PacketType;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.Level;
import org.jspecify.annotations.Nullable;

public class ClientboundRotateHeadPacket implements Packet<ClientGamePacketListener> {
	public static final StreamCodec<FriendlyByteBuf, ClientboundRotateHeadPacket> STREAM_CODEC = Packet.codec(
		ClientboundRotateHeadPacket::write, ClientboundRotateHeadPacket::new
	);
	private final int entityId;
	private final byte yHeadRot;

	public ClientboundRotateHeadPacket(final Entity entity, final byte yHeadRot) {
		this.entityId = entity.getId();
		this.yHeadRot = yHeadRot;
	}

	private ClientboundRotateHeadPacket(final FriendlyByteBuf input) {
		this.entityId = input.readVarInt();
		this.yHeadRot = input.readByte();
	}

	private void write(final FriendlyByteBuf output) {
		output.writeVarInt(this.entityId);
		output.writeByte(this.yHeadRot);
	}

	@Override
	public PacketType<ClientboundRotateHeadPacket> type() {
		return GamePacketTypes.CLIENTBOUND_ROTATE_HEAD;
	}

	public void handle(final ClientGamePacketListener listener) {
		listener.handleRotateMob(this);
	}

	@Nullable
	public Entity getEntity(final Level level) {
		return level.getEntity(this.entityId);
	}

	public float getYHeadRot() {
		return Mth.unpackDegrees(this.yHeadRot);
	}
}