Geyser/connector/src/main/java/org/geysermc/connector/network/translators/inventory/ChestInventoryTranslator.java

/*
 * Copyright (c) 2019 GeyserMC. http://geysermc.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @author GeyserMC
 * @link https://github.com/GeyserMC/Geyser
 */

package org.geysermc.connector.network.translators.inventory;

import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;
import com.nukkitx.math.vector.Vector3i;
import com.nukkitx.nbt.tag.CompoundTag;
import com.nukkitx.protocol.bedrock.data.ContainerId;
import com.nukkitx.protocol.bedrock.data.ContainerType;
import com.nukkitx.protocol.bedrock.data.InventoryAction;
import com.nukkitx.protocol.bedrock.data.ItemData;
import com.nukkitx.protocol.bedrock.packet.*;
import org.geysermc.connector.inventory.Inventory;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.TranslatorsInit;
import org.geysermc.connector.network.translators.block.BlockEntry;
import org.geysermc.connector.world.GlobalBlockPalette;

public class ChestInventoryTranslator extends InventoryTranslator {
    public ChestInventoryTranslator(int size) {
        super(size);
    }

    @Override
    public void prepareInventory(GeyserSession session, Inventory inventory) {
        Vector3i position = session.getPlayerEntity().getPosition().toInt();
        position = position.add(Vector3i.UP);
        UpdateBlockPacket blockPacket = new UpdateBlockPacket();
        blockPacket.setDataLayer(0);
        blockPacket.setBlockPosition(position);
        blockPacket.setRuntimeId(GlobalBlockPalette.getOrCreateRuntimeId(54 << 4)); //chest
        blockPacket.getFlags().add(UpdateBlockPacket.Flag.PRIORITY);
        session.getUpstream().sendPacket(blockPacket);
        if (size > 27) {
            Vector3i pairPosition = position.add(Vector3i.UNIT_X);
            blockPacket = new UpdateBlockPacket();
            blockPacket.setDataLayer(0);
            blockPacket.setBlockPosition(pairPosition);
            blockPacket.setRuntimeId(GlobalBlockPalette.getOrCreateRuntimeId(54 << 4));
            blockPacket.getFlags().add(UpdateBlockPacket.Flag.PRIORITY);
            session.getUpstream().sendPacket(blockPacket);

            CompoundTag tag = CompoundTag.EMPTY.toBuilder()
                    .stringTag("id", "Chest")
                    .intTag("x", position.getX())
                    .intTag("y", position.getY())
                    .intTag("z", position.getZ())
                    .intTag("pairx", pairPosition.getX())
                    .intTag("pairz", pairPosition.getZ()).buildRootTag();
            BlockEntityDataPacket dataPacket = new BlockEntityDataPacket();
            dataPacket.setData(tag);
            dataPacket.setBlockPosition(position);
            session.getUpstream().sendPacket(dataPacket);

            tag = CompoundTag.EMPTY.toBuilder()
                    .stringTag("id", "Chest")
                    .intTag("x", pairPosition.getX())
                    .intTag("y", pairPosition.getY())
                    .intTag("z", pairPosition.getZ())
                    .intTag("pairx", position.getX())
                    .intTag("pairz", position.getZ()).buildRootTag();
            dataPacket = new BlockEntityDataPacket();
            dataPacket.setData(tag);
            dataPacket.setBlockPosition(pairPosition);
            session.getUpstream().sendPacket(dataPacket);
        }
        inventory.setHolderPosition(position);
    }

    @Override
    public void openInventory(GeyserSession session, Inventory inventory) {
        ContainerOpenPacket containerOpenPacket = new ContainerOpenPacket();
        containerOpenPacket.setWindowId((byte) inventory.getId());
        containerOpenPacket.setType((byte) ContainerType.CONTAINER.id());
        containerOpenPacket.setBlockPosition(inventory.getHolderPosition());
        containerOpenPacket.setUniqueEntityId(inventory.getHolderId());
        session.getUpstream().sendPacket(containerOpenPacket);
    }

    @Override
    public void closeInventory(GeyserSession session, Inventory inventory) {
        Vector3i holderPos = inventory.getHolderPosition();
        Position pos = new Position(holderPos.getX(), holderPos.getY(), holderPos.getZ());
        BlockEntry realBlock = session.getChunkCache().getBlockAt(pos);
        UpdateBlockPacket blockPacket = new UpdateBlockPacket();
        blockPacket.setDataLayer(0);
        blockPacket.setBlockPosition(holderPos);
        blockPacket.setRuntimeId(GlobalBlockPalette.getOrCreateRuntimeId(realBlock.getBedrockId() << 4 | realBlock.getBedrockData()));
        session.getUpstream().sendPacket(blockPacket);

        if (this.size > 27) {
            holderPos = holderPos.add(Vector3i.UNIT_X);
            pos = new Position(holderPos.getX(), holderPos.getY(), holderPos.getZ());
            realBlock = session.getChunkCache().getBlockAt(pos);
            blockPacket = new UpdateBlockPacket();
            blockPacket.setDataLayer(0);
            blockPacket.setBlockPosition(holderPos);
            blockPacket.setRuntimeId(GlobalBlockPalette.getOrCreateRuntimeId(realBlock.getBedrockId() << 4 | realBlock.getBedrockData()));
            session.getUpstream().sendPacket(blockPacket);
        }
    }

    @Override
    public void updateProperty(GeyserSession session, Inventory inventory, int key, int value) {
    }

    @Override
    public void updateInventory(GeyserSession session, Inventory inventory) {
        //need to pad empty slots for 1x9, 2x9, 4x9, and 5x9
        int paddedSize;
        if (this.size > 27) {
            paddedSize = 54;
        } else {
            paddedSize = 27;
        }
        ItemData[] bedrockItems = new ItemData[paddedSize];
        for (int i = 0; i < bedrockItems.length; i++) {
            if (i <= this.size) {
                bedrockItems[i] = TranslatorsInit.getItemTranslator().translateToBedrock(inventory.getItems()[i]);
            } else {
                bedrockItems[i] = ItemData.AIR;
            }
        }
        InventoryContentPacket contentPacket = new InventoryContentPacket();
        contentPacket.setContainerId(inventory.getId());
        contentPacket.setContents(bedrockItems);
        session.getUpstream().sendPacket(contentPacket);

        Inventory playerInventory = session.getInventory();
        for (int i = 0; i < 36; i++) {
            playerInventory.getItems()[i + 9] = inventory.getItems()[i + this.size];
        }
        TranslatorsInit.getInventoryTranslators().get(playerInventory.getWindowType()).updateInventory(session, playerInventory);
    }

    @Override
    public boolean isOutputSlot(InventoryAction action) {
        return false;
    }
}