ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_13to1_12_2/providers/blockentities/BedHandler.java

/*
 * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
 * Copyright (C) 2016-2021 ViaVersion and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.viaversion.viaversion.protocols.protocol1_13to1_12_2.providers.blockentities;

import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
import com.github.steveice10.opennbt.tag.builtin.NumberTag;
import com.github.steveice10.opennbt.tag.builtin.Tag;
import com.viaversion.viaversion.api.Via;
import com.viaversion.viaversion.api.connection.UserConnection;
import com.viaversion.viaversion.api.minecraft.Position;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.providers.BlockEntityProvider;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.storage.BlockStorage;

public class BedHandler implements BlockEntityProvider.BlockEntityHandler {

    @Override
    public int transform(UserConnection user, CompoundTag tag) {
        BlockStorage storage = user.get(BlockStorage.class);
        Position position = new Position((int) getLong(tag.get("x")), (short) getLong(tag.get("y")), (int) getLong(tag.get("z")));

        if (!storage.contains(position)) {
            Via.getPlatform().getLogger().warning("Received an bed color update packet, but there is no bed! O_o " + tag);
            return -1;
        }

        //                                              RED_BED + FIRST_BED
        int blockId = storage.get(position).getOriginal() - 972 + 748;

        Tag color = tag.get("color");
        if (color != null) {
            blockId += (((NumberTag) color).asInt() * 16);
        }

        return blockId;
    }

    private long getLong(NumberTag tag) {
        return tag.asLong();
    }
}