mirror of https://github.com/GeyserMC/Geyser.git
251 lines
14 KiB
Java
251 lines
14 KiB
Java
/*
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* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.connector.network.translators.bedrock.entity.player;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;
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import com.github.steveice10.mc.protocol.data.game.entity.player.*;
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import com.github.steveice10.mc.protocol.data.game.world.block.BlockFace;
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import com.github.steveice10.mc.protocol.packet.ingame.client.player.*;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import com.nukkitx.math.vector.Vector3i;
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import com.nukkitx.protocol.bedrock.data.LevelEventType;
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import com.nukkitx.protocol.bedrock.data.PlayerActionType;
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import com.nukkitx.protocol.bedrock.data.entity.EntityEventType;
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import com.nukkitx.protocol.bedrock.data.entity.EntityFlag;
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import com.nukkitx.protocol.bedrock.packet.EntityEventPacket;
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import com.nukkitx.protocol.bedrock.packet.LevelEventPacket;
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import com.nukkitx.protocol.bedrock.packet.PlayStatusPacket;
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import com.nukkitx.protocol.bedrock.packet.PlayerActionPacket;
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import org.geysermc.connector.entity.Entity;
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import org.geysermc.connector.entity.ItemFrameEntity;
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import org.geysermc.connector.inventory.GeyserItemStack;
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import org.geysermc.connector.inventory.PlayerInventory;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.PacketTranslator;
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import org.geysermc.connector.network.translators.Translator;
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import org.geysermc.connector.network.translators.item.ItemEntry;
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import org.geysermc.connector.network.translators.item.ItemRegistry;
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import org.geysermc.connector.network.translators.world.block.BlockTranslator;
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import org.geysermc.connector.utils.BlockUtils;
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@Translator(packet = PlayerActionPacket.class)
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public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket> {
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@Override
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public void translate(PlayerActionPacket packet, GeyserSession session) {
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Entity entity = session.getPlayerEntity();
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// Send book update before any player action
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if (packet.getAction() != PlayerActionType.RESPAWN) {
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session.getBookEditCache().checkForSend();
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}
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Vector3i vector = packet.getBlockPosition();
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Position position = new Position(vector.getX(), vector.getY(), vector.getZ());
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switch (packet.getAction()) {
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case RESPAWN:
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// Respawn process is finished and the server and client are both OK with respawning.
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EntityEventPacket eventPacket = new EntityEventPacket();
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eventPacket.setRuntimeEntityId(entity.getGeyserId());
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eventPacket.setType(EntityEventType.RESPAWN);
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eventPacket.setData(0);
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session.sendUpstreamPacket(eventPacket);
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// Resend attributes or else in rare cases the user can think they're not dead when they are, upon joining the server
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entity.updateBedrockAttributes(session);
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break;
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case START_SWIMMING:
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ClientPlayerStatePacket startSwimPacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.START_SPRINTING);
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session.sendDownstreamPacket(startSwimPacket);
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session.setSwimming(true);
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break;
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case STOP_SWIMMING:
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ClientPlayerStatePacket stopSwimPacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.STOP_SPRINTING);
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session.sendDownstreamPacket(stopSwimPacket);
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session.setSwimming(false);
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break;
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case START_GLIDE:
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// Otherwise gliding will not work in creative
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ClientPlayerAbilitiesPacket playerAbilitiesPacket = new ClientPlayerAbilitiesPacket(false);
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session.sendDownstreamPacket(playerAbilitiesPacket);
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case STOP_GLIDE:
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ClientPlayerStatePacket glidePacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.START_ELYTRA_FLYING);
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session.sendDownstreamPacket(glidePacket);
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break;
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case START_SNEAK:
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ClientPlayerStatePacket startSneakPacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.START_SNEAKING);
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session.sendDownstreamPacket(startSneakPacket);
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// Toggle the shield, if relevant
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PlayerInventory playerInv = session.getPlayerInventory();
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if ((playerInv.getItemInHand().getJavaId() == ItemRegistry.SHIELD.getJavaId()) ||
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(playerInv.getOffhand().getJavaId() == ItemRegistry.SHIELD.getJavaId())) {
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ClientPlayerUseItemPacket useItemPacket;
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if (playerInv.getItemInHand().getJavaId() == ItemRegistry.SHIELD.getJavaId()) {
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useItemPacket = new ClientPlayerUseItemPacket(Hand.MAIN_HAND);
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} else {
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// Else we just assume it's the offhand, to simplify logic and to assure the packet gets sent
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useItemPacket = new ClientPlayerUseItemPacket(Hand.OFF_HAND);
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}
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session.sendDownstreamPacket(useItemPacket);
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session.getPlayerEntity().getMetadata().getFlags().setFlag(EntityFlag.BLOCKING, true);
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// metadata will be updated when sneaking
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}
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session.setSneaking(true);
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break;
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case STOP_SNEAK:
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ClientPlayerStatePacket stopSneakPacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.STOP_SNEAKING);
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session.sendDownstreamPacket(stopSneakPacket);
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// Stop shield, if necessary
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if (session.getPlayerEntity().getMetadata().getFlags().getFlag(EntityFlag.BLOCKING)) {
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ClientPlayerActionPacket releaseItemPacket = new ClientPlayerActionPacket(PlayerAction.RELEASE_USE_ITEM, BlockUtils.POSITION_ZERO, BlockFace.DOWN);
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session.sendDownstreamPacket(releaseItemPacket);
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session.getPlayerEntity().getMetadata().getFlags().setFlag(EntityFlag.BLOCKING, false);
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// metadata will be updated when sneaking
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}
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session.setSneaking(false);
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break;
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case START_SPRINT:
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ClientPlayerStatePacket startSprintPacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.START_SPRINTING);
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session.sendDownstreamPacket(startSprintPacket);
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session.setSprinting(true);
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break;
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case STOP_SPRINT:
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ClientPlayerStatePacket stopSprintPacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.STOP_SPRINTING);
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session.sendDownstreamPacket(stopSprintPacket);
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session.setSprinting(false);
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break;
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case DROP_ITEM:
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ClientPlayerActionPacket dropItemPacket = new ClientPlayerActionPacket(PlayerAction.DROP_ITEM, position, BlockFace.values()[packet.getFace()]);
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session.sendDownstreamPacket(dropItemPacket);
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break;
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case STOP_SLEEP:
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ClientPlayerStatePacket stopSleepingPacket = new ClientPlayerStatePacket((int) entity.getEntityId(), PlayerState.LEAVE_BED);
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session.sendDownstreamPacket(stopSleepingPacket);
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break;
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case BLOCK_INTERACT:
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// Client means to interact with a block; cancel bucket interaction, if any
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if (session.getBucketScheduledFuture() != null) {
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session.getBucketScheduledFuture().cancel(true);
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session.setBucketScheduledFuture(null);
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}
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// Otherwise handled in BedrockInventoryTransactionTranslator
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break;
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case START_BREAK:
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// Start the block breaking animation
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if (session.getGameMode() != GameMode.CREATIVE) {
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int blockState = session.getConnector().getWorldManager().getBlockAt(session, vector);
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LevelEventPacket startBreak = new LevelEventPacket();
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startBreak.setType(LevelEventType.BLOCK_START_BREAK);
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startBreak.setPosition(vector.toFloat());
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PlayerInventory inventory = session.getPlayerInventory();
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GeyserItemStack item = inventory.getItemInHand();
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ItemEntry itemEntry;
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CompoundTag nbtData;
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if (item != null) {
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itemEntry = item.getItemEntry();
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nbtData = item.getNbt();
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} else {
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itemEntry = null;
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nbtData = new CompoundTag("");
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}
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double breakTime = Math.ceil(BlockUtils.getBreakTime(session, BlockTranslator.getBlockMapping(blockState), itemEntry, nbtData, true) * 20);
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startBreak.setData((int) (65535 / breakTime));
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session.setBreakingBlock(blockState);
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session.sendUpstreamPacket(startBreak);
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}
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// Account for fire - the client likes to hit the block behind.
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Vector3i fireBlockPos = BlockUtils.getBlockPosition(packet.getBlockPosition(), packet.getFace());
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int blockUp = session.getConnector().getWorldManager().getBlockAt(session, fireBlockPos);
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String identifier = BlockTranslator.getJavaIdBlockMap().inverse().get(blockUp);
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if (identifier.startsWith("minecraft:fire") || identifier.startsWith("minecraft:soul_fire")) {
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ClientPlayerActionPacket startBreakingPacket = new ClientPlayerActionPacket(PlayerAction.START_DIGGING, new Position(fireBlockPos.getX(),
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fireBlockPos.getY(), fireBlockPos.getZ()), BlockFace.values()[packet.getFace()]);
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session.sendDownstreamPacket(startBreakingPacket);
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if (session.getGameMode() == GameMode.CREATIVE) {
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break;
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}
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}
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ClientPlayerActionPacket startBreakingPacket = new ClientPlayerActionPacket(PlayerAction.START_DIGGING, position, BlockFace.values()[packet.getFace()]);
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session.sendDownstreamPacket(startBreakingPacket);
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break;
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case CONTINUE_BREAK:
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if (session.getGameMode() == GameMode.CREATIVE) {
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break;
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}
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LevelEventPacket continueBreakPacket = new LevelEventPacket();
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continueBreakPacket.setType(LevelEventType.PARTICLE_CRACK_BLOCK);
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continueBreakPacket.setData((session.getBlockTranslator().getBedrockBlockId(session.getBreakingBlock())) | (packet.getFace() << 24));
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continueBreakPacket.setPosition(vector.toFloat());
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session.sendUpstreamPacket(continueBreakPacket);
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break;
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case ABORT_BREAK:
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if (session.getGameMode() != GameMode.CREATIVE) {
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// As of 1.16.210: item frame items are taken out here.
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// Survival also sends START_BREAK, but by attaching our process here adventure mode also works
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Entity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
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if (itemFrameEntity != null) {
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ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) itemFrameEntity.getEntityId(),
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InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
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session.sendDownstreamPacket(interactPacket);
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break;
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}
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}
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ClientPlayerActionPacket abortBreakingPacket = new ClientPlayerActionPacket(PlayerAction.CANCEL_DIGGING, position, BlockFace.DOWN);
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session.sendDownstreamPacket(abortBreakingPacket);
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LevelEventPacket stopBreak = new LevelEventPacket();
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stopBreak.setType(LevelEventType.BLOCK_STOP_BREAK);
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stopBreak.setPosition(vector.toFloat());
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stopBreak.setData(0);
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session.setBreakingBlock(BlockTranslator.JAVA_AIR_ID);
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session.sendUpstreamPacket(stopBreak);
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break;
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case STOP_BREAK:
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// Handled in BedrockInventoryTransactionTranslator
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break;
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case DIMENSION_CHANGE_SUCCESS:
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//sometimes the client doesn't feel like loading
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PlayStatusPacket spawnPacket = new PlayStatusPacket();
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spawnPacket.setStatus(PlayStatusPacket.Status.PLAYER_SPAWN);
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session.sendUpstreamPacket(spawnPacket);
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entity.updateBedrockAttributes(session);
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session.getEntityCache().updateBossBars();
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break;
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case JUMP:
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// Leaving as a potential placeholder for an event or soul sand fixing
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break;
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}
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}
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}
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