mirror of https://github.com/GeyserMC/Geyser.git
370 lines
21 KiB
Java
370 lines
21 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.object.Direction;
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import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
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import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
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import com.github.steveice10.mc.protocol.data.game.entity.player.InteractAction;
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import com.github.steveice10.mc.protocol.data.game.entity.player.PlayerAction;
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import com.github.steveice10.mc.protocol.data.game.entity.player.PlayerState;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.*;
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import org.cloudburstmc.math.vector.Vector3f;
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import org.cloudburstmc.math.vector.Vector3i;
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import org.cloudburstmc.protocol.bedrock.data.LevelEvent;
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import org.cloudburstmc.protocol.bedrock.data.PlayerActionType;
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import org.cloudburstmc.protocol.bedrock.data.definitions.ItemDefinition;
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import org.cloudburstmc.protocol.bedrock.data.entity.EntityEventType;
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import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
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import org.cloudburstmc.protocol.bedrock.packet.*;
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import org.geysermc.geyser.api.block.custom.CustomBlockState;
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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.inventory.GeyserItemStack;
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import org.geysermc.geyser.level.block.BlockStateValues;
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import org.geysermc.geyser.network.GameProtocol;
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import org.geysermc.geyser.registry.BlockRegistries;
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import org.geysermc.geyser.registry.type.BlockMapping;
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import org.geysermc.geyser.registry.type.ItemMapping;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.session.cache.SkullCache;
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import org.geysermc.geyser.translator.inventory.item.CustomItemTranslator;
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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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import org.geysermc.geyser.util.CooldownUtils;
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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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// Bounding box must be sent after a player dies and respawns since 1.19.40
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entity.updateBoundingBox();
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// Needed here since 1.19.81 for dimension switching
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session.getEntityCache().updateBossBars();
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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.sendDownstreamGamePacket(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.sendDownstreamGamePacket(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.sendDownstreamGamePacket(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.sendDownstreamGamePacket(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.sendDownstreamGamePacket(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.sendDownstreamGamePacket(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.sendDownstreamGamePacket(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.sendDownstreamGamePacket(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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ServerboundPlayerActionPacket dropItemPacket = new ServerboundPlayerActionPacket(PlayerAction.DROP_ITEM,
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vector, Direction.VALUES[packet.getFace()], 0);
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session.sendDownstreamGamePacket(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.sendDownstreamGamePacket(stopSleepingPacket);
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break;
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case START_BREAK: {
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// Ignore START_BREAK when the player is CREATIVE to avoid Spigot receiving 2 packets it interpets as block breaking. https://github.com/GeyserMC/Geyser/issues/4021
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if (session.getGameMode() == GameMode.CREATIVE) {
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break;
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}
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// Start the block breaking animation
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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(LevelEvent.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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// If the block is custom or the breaking item is custom, we must keep track of break time ourselves
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GeyserItemStack item = session.getPlayerInventory().getItemInHand();
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ItemMapping mapping = item.getMapping(session);
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ItemDefinition customItem = mapping.isTool() ? CustomItemTranslator.getCustomItem(item.getNbt(), mapping) : null;
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CustomBlockState blockStateOverride = BlockRegistries.CUSTOM_BLOCK_STATE_OVERRIDES.get(blockState);
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SkullCache.Skull skull = session.getSkullCache().getSkulls().get(vector);
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session.setBlockBreakStartTime(0);
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if (blockStateOverride != null || customItem != null || (skull != null && skull.getBlockDefinition() != null)) {
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session.setBlockBreakStartTime(System.currentTimeMillis());
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}
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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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// 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_BLOCKS.getOrDefault(blockUp, BlockMapping.DEFAULT).getJavaIdentifier();
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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, fireBlockPos,
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Direction.VALUES[packet.getFace()], session.getWorldCache().nextPredictionSequence());
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session.sendDownstreamGamePacket(startBreakingPacket);
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}
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ServerboundPlayerActionPacket startBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.START_DIGGING,
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vector, Direction.VALUES[packet.getFace()], session.getWorldCache().nextPredictionSequence());
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session.sendDownstreamGamePacket(startBreakingPacket);
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break;
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}
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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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int breakingBlock = session.getBreakingBlock();
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if (breakingBlock == -1) {
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breakingBlock = BlockStateValues.JAVA_AIR_ID;
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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(LevelEvent.PARTICLE_CRACK_BLOCK);
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continueBreakPacket.setData((session.getBlockMappings().getBedrockBlockId(breakingBlock)) | (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(LevelEvent.BLOCK_UPDATE_BREAK);
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updateBreak.setPosition(vectorFloat);
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double breakTime = BlockUtils.getSessionBreakTime(session, BlockRegistries.JAVA_BLOCKS.get(breakingBlock)) * 20;
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// If the block is custom, we must keep track of when it should break ourselves
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long blockBreakStartTime = session.getBlockBreakStartTime();
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if (blockBreakStartTime != 0) {
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long timeSinceStart = System.currentTimeMillis() - blockBreakStartTime;
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// We need to add a slight delay to the break time, otherwise the client breaks blocks too fast
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if (timeSinceStart >= (breakTime+=2) * 50) {
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// Play break sound and particle
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LevelEventPacket effectPacket = new LevelEventPacket();
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effectPacket.setPosition(vectorFloat);
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effectPacket.setType(LevelEvent.PARTICLE_DESTROY_BLOCK);
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effectPacket.setData(session.getBlockMappings().getBedrockBlockId(breakingBlock));
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session.sendUpstreamPacket(effectPacket);
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// Break the block
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ServerboundPlayerActionPacket finishBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.FINISH_DIGGING,
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vector, Direction.VALUES[packet.getFace()], session.getWorldCache().nextPredictionSequence());
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session.sendDownstreamGamePacket(finishBreakingPacket);
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session.setBlockBreakStartTime(0);
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break;
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}
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}
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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.sendDownstreamGamePacket(interactPacket);
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break;
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}
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}
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ServerboundPlayerActionPacket abortBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.CANCEL_DIGGING, vector, Direction.DOWN, 0);
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session.sendDownstreamGamePacket(abortBreakingPacket);
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LevelEventPacket stopBreak = new LevelEventPacket();
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stopBreak.setType(LevelEvent.BLOCK_STOP_BREAK);
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stopBreak.setPosition(vector.toFloat());
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stopBreak.setData(0);
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session.setBreakingBlock(-1);
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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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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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case MISSED_SWING:
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// Java edition sends a cooldown when hitting air.
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// Normally handled by BedrockLevelSoundEventTranslator, but there is no sound on Java for this.
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CooldownUtils.sendCooldown(session);
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// TODO Re-evaluate after pre-1.20.10 is no longer supported?
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if (session.getArmAnimationTicks() == -1) {
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session.sendDownstreamGamePacket(new ServerboundSwingPacket(Hand.MAIN_HAND));
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session.activateArmAnimationTicking();
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// Send packet to Bedrock so it knows
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AnimatePacket animatePacket = new AnimatePacket();
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animatePacket.setRuntimeEntityId(session.getPlayerEntity().getGeyserId());
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animatePacket.setAction(AnimatePacket.Action.SWING_ARM);
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session.sendUpstreamPacket(animatePacket);
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}
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break;
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case START_FLYING: // Since 1.20.30
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if (session.isCanFly()) {
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if (session.getGameMode() == GameMode.SPECTATOR) {
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// should already be flying
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session.sendAdventureSettings();
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break;
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}
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if (session.getPlayerEntity().getFlag(EntityFlag.SWIMMING) && session.getCollisionManager().isPlayerInWater()) {
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// As of 1.18.1, Java Edition cannot fly while in water, but it can fly while crawling
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// If this isn't present, swimming on a 1.13.2 server and then attempting to fly will put you into a flying/swimming state that is invalid on JE
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session.sendAdventureSettings();
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break;
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}
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session.setFlying(true);
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session.sendDownstreamGamePacket(new ServerboundPlayerAbilitiesPacket(true));
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} else {
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// update whether we can fly
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session.sendAdventureSettings();
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// stop flying
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PlayerActionPacket stopFlyingPacket = new PlayerActionPacket();
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stopFlyingPacket.setRuntimeEntityId(session.getPlayerEntity().getGeyserId());
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stopFlyingPacket.setAction(PlayerActionType.STOP_FLYING);
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stopFlyingPacket.setBlockPosition(Vector3i.ZERO);
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stopFlyingPacket.setResultPosition(Vector3i.ZERO);
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stopFlyingPacket.setFace(0);
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session.sendUpstreamPacket(stopFlyingPacket);
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}
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break;
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case STOP_FLYING:
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session.setFlying(false);
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session.sendDownstreamGamePacket(new ServerboundPlayerAbilitiesPacket(false));
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break;
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case DIMENSION_CHANGE_REQUEST_OR_CREATIVE_DESTROY_BLOCK: // Used by client to get book from lecterns and items from item frame in creative mode since 1.20.70
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if (GameProtocol.isPre1_20_70(session)) {
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break;
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}
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int interactedBlock = session.getGeyser().getWorldManager().getBlockAt(session, vector);
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if (BlockStateValues.getLecternBookStates().getOrDefault(interactedBlock, false)) {
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session.setDroppingLecternBook(true);
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ServerboundUseItemOnPacket blockPacket = new ServerboundUseItemOnPacket(
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vector,
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Direction.DOWN,
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Hand.MAIN_HAND,
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0, 0, 0,
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false,
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session.getWorldCache().nextPredictionSequence());
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session.sendDownstreamGamePacket(blockPacket);
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break;
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}
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if (session.getItemFrameCache().containsKey(vector)) {
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Entity itemFrame = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
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if (itemFrame != null) {
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ServerboundInteractPacket interactPacket = new ServerboundInteractPacket(itemFrame.getEntityId(),
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InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
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session.sendDownstreamGamePacket(interactPacket);
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}
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break;
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}
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}
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}
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}
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