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Geyser/connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransaction...

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/*
* Copyright (c) 2019-2020 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.bedrock;
import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;
import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
import com.github.steveice10.mc.protocol.data.game.entity.player.InteractAction;
import com.github.steveice10.mc.protocol.data.game.entity.player.PlayerAction;
import com.github.steveice10.mc.protocol.data.game.world.block.BlockFace;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerActionPacket;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerInteractEntityPacket;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerPlaceBlockPacket;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerUseItemPacket;
import com.nukkitx.math.vector.Vector3f;
import com.nukkitx.math.vector.Vector3i;
import com.nukkitx.protocol.bedrock.data.LevelEventType;
import com.nukkitx.protocol.bedrock.data.inventory.ContainerId;
import com.nukkitx.protocol.bedrock.data.inventory.ContainerType;
import com.nukkitx.protocol.bedrock.packet.ContainerOpenPacket;
import com.nukkitx.protocol.bedrock.packet.InventorySlotPacket;
import com.nukkitx.protocol.bedrock.packet.InventoryTransactionPacket;
import com.nukkitx.protocol.bedrock.packet.LevelEventPacket;
import org.geysermc.connector.entity.CommandBlockMinecartEntity;
import org.geysermc.connector.entity.Entity;
import org.geysermc.connector.entity.ItemFrameEntity;
import org.geysermc.connector.entity.living.merchant.AbstractMerchantEntity;
import org.geysermc.connector.inventory.Inventory;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;
import org.geysermc.connector.network.translators.inventory.InventoryTranslator;
import org.geysermc.connector.network.translators.item.ItemEntry;
import org.geysermc.connector.network.translators.item.ItemRegistry;
import org.geysermc.connector.network.translators.sound.EntitySoundInteractionHandler;
import org.geysermc.connector.network.translators.world.block.BlockTranslator;
import org.geysermc.connector.utils.BlockUtils;
import org.geysermc.connector.utils.InventoryUtils;
import java.util.concurrent.TimeUnit;
@Translator(packet = InventoryTransactionPacket.class)
public class BedrockInventoryTransactionTranslator extends PacketTranslator<InventoryTransactionPacket> {
@Override
public void translate(InventoryTransactionPacket packet, GeyserSession session) {
switch (packet.getTransactionType()) {
case NORMAL:
Inventory inventory = session.getInventoryCache().getOpenInventory();
if (inventory == null) inventory = session.getInventory();
InventoryTranslator.INVENTORY_TRANSLATORS.get(inventory.getWindowType()).translateActions(session, inventory, packet.getActions());
break;
case INVENTORY_MISMATCH:
Inventory inv = session.getInventoryCache().getOpenInventory();
if (inv == null) inv = session.getInventory();
InventoryTranslator.INVENTORY_TRANSLATORS.get(inv.getWindowType()).updateInventory(session, inv);
InventoryUtils.updateCursor(session);
break;
case ITEM_USE:
switch (packet.getActionType()) {
case 0:
// Check to make sure the client isn't spamming interaction
// Based on Nukkit 1.0, with changes to ensure holding down still works
boolean hasAlreadyClicked = System.currentTimeMillis() - session.getLastInteractionTime() < 110.0 &&
packet.getBlockPosition().distanceSquared(session.getLastInteractionPosition()) < 0.00001;
session.setLastInteractionPosition(packet.getBlockPosition());
if (hasAlreadyClicked) {
break;
} else {
// Only update the interaction time if it's valid - that way holding down still works.
session.setLastInteractionTime(System.currentTimeMillis());
}
// Bedrock sends block interact code for a Java entity so we send entity code back to Java
if (BlockTranslator.isItemFrame(packet.getBlockRuntimeId()) &&
session.getEntityCache().getEntityByJavaId(ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition())) != null) {
Vector3f vector = packet.getClickPosition();
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
InteractAction.INTERACT, Hand.MAIN_HAND, session.isSneaking());
ClientPlayerInteractEntityPacket interactAtPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
InteractAction.INTERACT_AT, vector.getX(), vector.getY(), vector.getZ(), Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamPacket(interactPacket);
session.sendDownstreamPacket(interactAtPacket);
break;
}
ClientPlayerPlaceBlockPacket blockPacket = new ClientPlayerPlaceBlockPacket(
new Position(packet.getBlockPosition().getX(), packet.getBlockPosition().getY(), packet.getBlockPosition().getZ()),
BlockFace.values()[packet.getBlockFace()],
Hand.MAIN_HAND,
packet.getClickPosition().getX(), packet.getClickPosition().getY(), packet.getClickPosition().getZ(),
false);
session.sendDownstreamPacket(blockPacket);
// Otherwise boats will not be able to be placed in survival and buckets wont work on mobile
if (packet.getItemInHand() != null && packet.getItemInHand().getId() == ItemRegistry.BOAT.getBedrockId()) {
ClientPlayerUseItemPacket itemPacket = new ClientPlayerUseItemPacket(Hand.MAIN_HAND);
session.sendDownstreamPacket(itemPacket);
}
// Check actions, otherwise buckets may be activated when block inventories are accessed
else if (packet.getItemInHand() != null && packet.getItemInHand().getId() == ItemRegistry.BUCKET.getBedrockId()) {
// Let the server decide if the bucket item should change, not the client, and revert the changes the client made
InventorySlotPacket slotPacket = new InventorySlotPacket();
slotPacket.setContainerId(ContainerId.INVENTORY);
slotPacket.setSlot(packet.getHotbarSlot());
slotPacket.setItem(packet.getItemInHand());
session.sendUpstreamPacket(slotPacket);
// Delay the interaction in case the client doesn't intend to actually use the bucket
// See BedrockActionTranslator.java
session.setBucketScheduledFuture(session.getConnector().getGeneralThreadPool().schedule(() -> {
ClientPlayerUseItemPacket itemPacket = new ClientPlayerUseItemPacket(Hand.MAIN_HAND);
session.sendDownstreamPacket(itemPacket);
}, 5, TimeUnit.MILLISECONDS));
}
if (packet.getActions().isEmpty()) {
if (session.getOpPermissionLevel() >= 2 && session.getGameMode() == GameMode.CREATIVE) {
// Otherwise insufficient permissions
int blockState = BlockTranslator.getJavaBlockState(packet.getBlockRuntimeId());
String blockName = BlockTranslator.getJavaIdBlockMap().inverse().getOrDefault(blockState, "");
// In the future this can be used for structure blocks too, however not all elements
// are available in each GUI
if (blockName.contains("jigsaw")) {
ContainerOpenPacket openPacket = new ContainerOpenPacket();
openPacket.setBlockPosition(packet.getBlockPosition());
openPacket.setId((byte) 1);
openPacket.setType(ContainerType.JIGSAW_EDITOR);
openPacket.setUniqueEntityId(-1);
session.sendUpstreamPacket(openPacket);
}
}
}
Vector3i blockPos = BlockUtils.getBlockPosition(packet.getBlockPosition(), packet.getBlockFace());
ItemEntry handItem = ItemRegistry.getItem(packet.getItemInHand());
if (handItem.isBlock()) {
session.setLastBlockPlacePosition(blockPos);
session.setLastBlockPlacedId(handItem.getJavaIdentifier());
}
session.setInteracting(true);
break;
case 1:
ItemStack shieldSlot = session.getInventory().getItem(session.getInventory().getHeldItemSlot() + 36);
// Handled in Entity.java
if (shieldSlot != null && shieldSlot.getId() == ItemRegistry.SHIELD.getJavaId()) {
break;
}
// Handled in ITEM_USE if the item is not milk
if (packet.getItemInHand() != null && packet.getItemInHand().getId() == ItemRegistry.BUCKET.getBedrockId() &&
packet.getItemInHand().getDamage() != 1) {
break;
}
ClientPlayerUseItemPacket useItemPacket = new ClientPlayerUseItemPacket(Hand.MAIN_HAND);
session.sendDownstreamPacket(useItemPacket);
break;
case 2:
int blockState = session.getConnector().getWorldManager().getBlockAt(session, packet.getBlockPosition().getX(), packet.getBlockPosition().getY(), packet.getBlockPosition().getZ());
double blockHardness = BlockTranslator.JAVA_RUNTIME_ID_TO_HARDNESS.get(blockState);
if (session.getGameMode() == GameMode.CREATIVE || (session.getConnector().getConfig().isCacheChunks() && blockHardness == 0)) {
session.setLastBlockPlacedId(null);
session.setLastBlockPlacePosition(null);
LevelEventPacket blockBreakPacket = new LevelEventPacket();
blockBreakPacket.setType(LevelEventType.PARTICLE_DESTROY_BLOCK);
blockBreakPacket.setPosition(packet.getBlockPosition().toFloat());
blockBreakPacket.setData(BlockTranslator.getBedrockBlockId(blockState));
session.sendUpstreamPacket(blockBreakPacket);
}
if (ItemFrameEntity.positionContainsItemFrame(session, packet.getBlockPosition()) &&
session.getEntityCache().getEntityByJavaId(ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition())) != null) {
ClientPlayerInteractEntityPacket attackPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
InteractAction.ATTACK, session.isSneaking());
session.sendDownstreamPacket(attackPacket);
break;
}
PlayerAction action = session.getGameMode() == GameMode.CREATIVE ? PlayerAction.START_DIGGING : PlayerAction.FINISH_DIGGING;
Position pos = new Position(packet.getBlockPosition().getX(), packet.getBlockPosition().getY(), packet.getBlockPosition().getZ());
ClientPlayerActionPacket breakPacket = new ClientPlayerActionPacket(action, pos, BlockFace.values()[packet.getBlockFace()]);
session.sendDownstreamPacket(breakPacket);
break;
}
break;
case ITEM_RELEASE:
if (packet.getActionType() == 0) {
// Followed to the Minecraft Protocol specification outlined at wiki.vg
ClientPlayerActionPacket releaseItemPacket = new ClientPlayerActionPacket(PlayerAction.RELEASE_USE_ITEM, new Position(0,0,0),
BlockFace.DOWN);
session.sendDownstreamPacket(releaseItemPacket);
}
break;
case ITEM_USE_ON_ENTITY:
Entity entity = session.getEntityCache().getEntityByGeyserId(packet.getRuntimeEntityId());
if (entity == null)
return;
//https://wiki.vg/Protocol#Interact_Entity
switch (packet.getActionType()) {
case 0: //Interact
if (entity instanceof CommandBlockMinecartEntity) {
// The UI is handled client-side on Java Edition
// Ensure OP permission level and gamemode is appropriate
if (session.getOpPermissionLevel() < 2 || session.getGameMode() != GameMode.CREATIVE) return;
ContainerOpenPacket openPacket = new ContainerOpenPacket();
openPacket.setBlockPosition(Vector3i.ZERO);
openPacket.setId((byte) 1);
openPacket.setType(ContainerType.COMMAND_BLOCK);
openPacket.setUniqueEntityId(entity.getGeyserId());
session.sendUpstreamPacket(openPacket);
break;
}
Vector3f vector = packet.getClickPosition();
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) entity.getEntityId(),
InteractAction.INTERACT, Hand.MAIN_HAND, session.isSneaking());
ClientPlayerInteractEntityPacket interactAtPacket = new ClientPlayerInteractEntityPacket((int) entity.getEntityId(),
InteractAction.INTERACT_AT, vector.getX(), vector.getY(), vector.getZ(), Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamPacket(interactPacket);
session.sendDownstreamPacket(interactAtPacket);
EntitySoundInteractionHandler.handleEntityInteraction(session, vector, entity);
if (entity instanceof AbstractMerchantEntity) {
session.setLastInteractedVillagerEid(packet.getRuntimeEntityId());
}
break;
case 1: //Attack
ClientPlayerInteractEntityPacket attackPacket = new ClientPlayerInteractEntityPacket((int) entity.getEntityId(),
InteractAction.ATTACK, session.isSneaking());
session.sendDownstreamPacket(attackPacket);
break;
}
break;
}
}
}
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