mirror of https://github.com/GeyserMC/Geyser.git
242 lines
14 KiB
Java
242 lines
14 KiB
Java
/*
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* Copyright (c) 2019-2022 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.geyser.translator.protocol.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.object.Direction;
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import com.github.steveice10.mc.protocol.data.game.entity.player.*;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.ServerboundInteractPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.ServerboundPlayerAbilitiesPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.ServerboundPlayerActionPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.ServerboundPlayerCommandPacket;
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import com.nukkitx.math.vector.Vector3f;
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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.*;
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import org.geysermc.geyser.entity.type.Entity;
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import org.geysermc.geyser.entity.type.ItemFrameEntity;
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import org.geysermc.geyser.entity.type.player.SessionPlayerEntity;
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import org.geysermc.geyser.level.block.BlockStateValues;
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import org.geysermc.geyser.registry.BlockRegistries;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.translator.protocol.PacketTranslator;
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import org.geysermc.geyser.translator.protocol.Translator;
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import org.geysermc.geyser.util.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(GeyserSession session, PlayerActionPacket packet) {
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SessionPlayerEntity 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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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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UpdateAttributesPacket attributesPacket = new UpdateAttributesPacket();
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attributesPacket.setRuntimeEntityId(entity.getGeyserId());
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attributesPacket.getAttributes().addAll(entity.getAttributes().values());
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session.sendUpstreamPacket(attributesPacket);
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break;
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case START_SWIMMING:
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if (!entity.getFlag(EntityFlag.SWIMMING)) {
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ServerboundPlayerCommandPacket startSwimPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.START_SPRINTING);
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session.sendDownstreamPacket(startSwimPacket);
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session.setSwimming(true);
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}
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break;
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case STOP_SWIMMING:
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// Prevent packet spam when Bedrock players are crawling near the edge of a block
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if (!session.getCollisionManager().mustPlayerCrawlHere()) {
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ServerboundPlayerCommandPacket stopSwimPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.STOP_SPRINTING);
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session.sendDownstreamPacket(stopSwimPacket);
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session.setSwimming(false);
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}
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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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ServerboundPlayerAbilitiesPacket playerAbilitiesPacket = new ServerboundPlayerAbilitiesPacket(false);
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session.sendDownstreamPacket(playerAbilitiesPacket);
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case STOP_GLIDE:
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ServerboundPlayerCommandPacket glidePacket = new ServerboundPlayerCommandPacket(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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ServerboundPlayerCommandPacket startSneakPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.START_SNEAKING);
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session.sendDownstreamPacket(startSneakPacket);
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session.startSneaking();
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break;
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case STOP_SNEAK:
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ServerboundPlayerCommandPacket stopSneakPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.STOP_SNEAKING);
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session.sendDownstreamPacket(stopSneakPacket);
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session.stopSneaking();
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break;
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case START_SPRINT:
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if (!entity.getFlag(EntityFlag.SWIMMING)) {
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ServerboundPlayerCommandPacket startSprintPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.START_SPRINTING);
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session.sendDownstreamPacket(startSprintPacket);
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session.setSprinting(true);
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}
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break;
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case STOP_SPRINT:
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if (!entity.getFlag(EntityFlag.SWIMMING)) {
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ServerboundPlayerCommandPacket stopSprintPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.STOP_SPRINTING);
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session.sendDownstreamPacket(stopSprintPacket);
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}
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session.setSprinting(false);
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break;
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case DROP_ITEM:
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Position position = new Position(vector.getX(), vector.getY(), vector.getZ());
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ServerboundPlayerActionPacket dropItemPacket = new ServerboundPlayerActionPacket(PlayerAction.DROP_ITEM, position, Direction.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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ServerboundPlayerCommandPacket stopSleepingPacket = new ServerboundPlayerCommandPacket(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.getGeyser().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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double breakTime = BlockUtils.getSessionBreakTime(session, BlockRegistries.JAVA_BLOCKS.get(blockState)) * 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(vector, packet.getFace());
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int blockUp = session.getGeyser().getWorldManager().getBlockAt(session, fireBlockPos);
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String identifier = BlockRegistries.JAVA_IDENTIFIERS.get().get(blockUp);
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if (identifier.startsWith("minecraft:fire") || identifier.startsWith("minecraft:soul_fire")) {
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ServerboundPlayerActionPacket startBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.START_DIGGING, new Position(fireBlockPos.getX(),
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fireBlockPos.getY(), fireBlockPos.getZ()), Direction.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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position = new Position(vector.getX(), vector.getY(), vector.getZ());
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ServerboundPlayerActionPacket startBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.START_DIGGING, position, Direction.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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Vector3f vectorFloat = vector.toFloat();
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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.getBlockMappings().getBedrockBlockId(session.getBreakingBlock())) | (packet.getFace() << 24));
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continueBreakPacket.setPosition(vectorFloat);
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session.sendUpstreamPacket(continueBreakPacket);
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// Update the break time in the event that player conditions changed (jumping, effects applied)
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LevelEventPacket updateBreak = new LevelEventPacket();
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updateBreak.setType(LevelEventType.BLOCK_UPDATE_BREAK);
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updateBreak.setPosition(vectorFloat);
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double breakTime = BlockUtils.getSessionBreakTime(session, BlockRegistries.JAVA_BLOCKS.get(session.getBreakingBlock())) * 20;
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updateBreak.setData((int) (65535 / breakTime));
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session.sendUpstreamPacket(updateBreak);
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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, vector);
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if (itemFrameEntity != null) {
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ServerboundInteractPacket interactPacket = new ServerboundInteractPacket(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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position = new Position(vector.getX(), vector.getY(), vector.getZ());
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ServerboundPlayerActionPacket abortBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.CANCEL_DIGGING, position, Direction.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(BlockStateValues.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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attributesPacket = new UpdateAttributesPacket();
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attributesPacket.setRuntimeEntityId(entity.getGeyserId());
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attributesPacket.getAttributes().addAll(entity.getAttributes().values());
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session.sendUpstreamPacket(attributesPacket);
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session.getEntityCache().updateBossBars();
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break;
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case JUMP:
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entity.setOnGround(false); // Increase block break time while jumping
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break;
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}
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}
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}
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