Geyser/core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/BedrockActionTranslator.java

370 lines
21 KiB
Java

/*
* Copyright (c) 2019-2022 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.geyser.translator.protocol.bedrock.entity.player;
import com.github.steveice10.mc.protocol.data.game.entity.object.Direction;
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.entity.player.PlayerState;
import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.*;
import org.cloudburstmc.math.vector.Vector3f;
import org.cloudburstmc.math.vector.Vector3i;
import org.cloudburstmc.protocol.bedrock.data.LevelEvent;
import org.cloudburstmc.protocol.bedrock.data.PlayerActionType;
import org.cloudburstmc.protocol.bedrock.data.definitions.ItemDefinition;
import org.cloudburstmc.protocol.bedrock.data.entity.EntityEventType;
import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
import org.cloudburstmc.protocol.bedrock.packet.*;
import org.geysermc.geyser.api.block.custom.CustomBlockState;
import org.geysermc.geyser.entity.type.Entity;
import org.geysermc.geyser.entity.type.ItemFrameEntity;
import org.geysermc.geyser.entity.type.player.SessionPlayerEntity;
import org.geysermc.geyser.inventory.GeyserItemStack;
import org.geysermc.geyser.level.block.BlockStateValues;
import org.geysermc.geyser.network.GameProtocol;
import org.geysermc.geyser.registry.BlockRegistries;
import org.geysermc.geyser.registry.type.BlockMapping;
import org.geysermc.geyser.registry.type.ItemMapping;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.session.cache.SkullCache;
import org.geysermc.geyser.translator.inventory.item.CustomItemTranslator;
import org.geysermc.geyser.translator.protocol.PacketTranslator;
import org.geysermc.geyser.translator.protocol.Translator;
import org.geysermc.geyser.util.BlockUtils;
import org.geysermc.geyser.util.CooldownUtils;
@Translator(packet = PlayerActionPacket.class)
public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket> {
@Override
public void translate(GeyserSession session, PlayerActionPacket packet) {
SessionPlayerEntity entity = session.getPlayerEntity();
// Send book update before any player action
if (packet.getAction() != PlayerActionType.RESPAWN) {
session.getBookEditCache().checkForSend();
}
Vector3i vector = packet.getBlockPosition();
switch (packet.getAction()) {
case RESPAWN:
// Respawn process is finished and the server and client are both OK with respawning.
EntityEventPacket eventPacket = new EntityEventPacket();
eventPacket.setRuntimeEntityId(entity.getGeyserId());
eventPacket.setType(EntityEventType.RESPAWN);
eventPacket.setData(0);
session.sendUpstreamPacket(eventPacket);
// Resend attributes or else in rare cases the user can think they're not dead when they are, upon joining the server
UpdateAttributesPacket attributesPacket = new UpdateAttributesPacket();
attributesPacket.setRuntimeEntityId(entity.getGeyserId());
attributesPacket.getAttributes().addAll(entity.getAttributes().values());
session.sendUpstreamPacket(attributesPacket);
// Bounding box must be sent after a player dies and respawns since 1.19.40
entity.updateBoundingBox();
// Needed here since 1.19.81 for dimension switching
session.getEntityCache().updateBossBars();
break;
case START_SWIMMING:
if (!entity.getFlag(EntityFlag.SWIMMING)) {
ServerboundPlayerCommandPacket startSwimPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.START_SPRINTING);
session.sendDownstreamGamePacket(startSwimPacket);
session.setSwimming(true);
}
break;
case STOP_SWIMMING:
// Prevent packet spam when Bedrock players are crawling near the edge of a block
if (!session.getCollisionManager().mustPlayerCrawlHere()) {
ServerboundPlayerCommandPacket stopSwimPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.STOP_SPRINTING);
session.sendDownstreamGamePacket(stopSwimPacket);
session.setSwimming(false);
}
break;
case START_GLIDE:
// Otherwise gliding will not work in creative
ServerboundPlayerAbilitiesPacket playerAbilitiesPacket = new ServerboundPlayerAbilitiesPacket(false);
session.sendDownstreamGamePacket(playerAbilitiesPacket);
case STOP_GLIDE:
ServerboundPlayerCommandPacket glidePacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.START_ELYTRA_FLYING);
session.sendDownstreamGamePacket(glidePacket);
break;
case START_SNEAK:
ServerboundPlayerCommandPacket startSneakPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.START_SNEAKING);
session.sendDownstreamGamePacket(startSneakPacket);
session.startSneaking();
break;
case STOP_SNEAK:
ServerboundPlayerCommandPacket stopSneakPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.STOP_SNEAKING);
session.sendDownstreamGamePacket(stopSneakPacket);
session.stopSneaking();
break;
case START_SPRINT:
if (!entity.getFlag(EntityFlag.SWIMMING)) {
ServerboundPlayerCommandPacket startSprintPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.START_SPRINTING);
session.sendDownstreamGamePacket(startSprintPacket);
session.setSprinting(true);
}
break;
case STOP_SPRINT:
if (!entity.getFlag(EntityFlag.SWIMMING)) {
ServerboundPlayerCommandPacket stopSprintPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.STOP_SPRINTING);
session.sendDownstreamGamePacket(stopSprintPacket);
}
session.setSprinting(false);
break;
case DROP_ITEM:
ServerboundPlayerActionPacket dropItemPacket = new ServerboundPlayerActionPacket(PlayerAction.DROP_ITEM,
vector, Direction.VALUES[packet.getFace()], 0);
session.sendDownstreamGamePacket(dropItemPacket);
break;
case STOP_SLEEP:
ServerboundPlayerCommandPacket stopSleepingPacket = new ServerboundPlayerCommandPacket(entity.getEntityId(), PlayerState.LEAVE_BED);
session.sendDownstreamGamePacket(stopSleepingPacket);
break;
case START_BREAK: {
// 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
if (session.getGameMode() == GameMode.CREATIVE) {
break;
}
// Start the block breaking animation
int blockState = session.getGeyser().getWorldManager().getBlockAt(session, vector);
LevelEventPacket startBreak = new LevelEventPacket();
startBreak.setType(LevelEvent.BLOCK_START_BREAK);
startBreak.setPosition(vector.toFloat());
double breakTime = BlockUtils.getSessionBreakTime(session, BlockRegistries.JAVA_BLOCKS.get(blockState)) * 20;
// If the block is custom or the breaking item is custom, we must keep track of break time ourselves
GeyserItemStack item = session.getPlayerInventory().getItemInHand();
ItemMapping mapping = item.getMapping(session);
ItemDefinition customItem = mapping.isTool() ? CustomItemTranslator.getCustomItem(item.getNbt(), mapping) : null;
CustomBlockState blockStateOverride = BlockRegistries.CUSTOM_BLOCK_STATE_OVERRIDES.get(blockState);
SkullCache.Skull skull = session.getSkullCache().getSkulls().get(vector);
session.setBlockBreakStartTime(0);
if (blockStateOverride != null || customItem != null || (skull != null && skull.getBlockDefinition() != null)) {
session.setBlockBreakStartTime(System.currentTimeMillis());
}
startBreak.setData((int) (65535 / breakTime));
session.setBreakingBlock(blockState);
session.sendUpstreamPacket(startBreak);
// Account for fire - the client likes to hit the block behind.
Vector3i fireBlockPos = BlockUtils.getBlockPosition(vector, packet.getFace());
int blockUp = session.getGeyser().getWorldManager().getBlockAt(session, fireBlockPos);
String identifier = BlockRegistries.JAVA_BLOCKS.getOrDefault(blockUp, BlockMapping.DEFAULT).getJavaIdentifier();
if (identifier.startsWith("minecraft:fire") || identifier.startsWith("minecraft:soul_fire")) {
ServerboundPlayerActionPacket startBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.START_DIGGING, fireBlockPos,
Direction.VALUES[packet.getFace()], session.getWorldCache().nextPredictionSequence());
session.sendDownstreamGamePacket(startBreakingPacket);
}
ServerboundPlayerActionPacket startBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.START_DIGGING,
vector, Direction.VALUES[packet.getFace()], session.getWorldCache().nextPredictionSequence());
session.sendDownstreamGamePacket(startBreakingPacket);
break;
}
case CONTINUE_BREAK:
if (session.getGameMode() == GameMode.CREATIVE) {
break;
}
int breakingBlock = session.getBreakingBlock();
if (breakingBlock == -1) {
breakingBlock = BlockStateValues.JAVA_AIR_ID;
}
Vector3f vectorFloat = vector.toFloat();
LevelEventPacket continueBreakPacket = new LevelEventPacket();
continueBreakPacket.setType(LevelEvent.PARTICLE_CRACK_BLOCK);
continueBreakPacket.setData((session.getBlockMappings().getBedrockBlockId(breakingBlock)) | (packet.getFace() << 24));
continueBreakPacket.setPosition(vectorFloat);
session.sendUpstreamPacket(continueBreakPacket);
// Update the break time in the event that player conditions changed (jumping, effects applied)
LevelEventPacket updateBreak = new LevelEventPacket();
updateBreak.setType(LevelEvent.BLOCK_UPDATE_BREAK);
updateBreak.setPosition(vectorFloat);
double breakTime = BlockUtils.getSessionBreakTime(session, BlockRegistries.JAVA_BLOCKS.get(breakingBlock)) * 20;
// If the block is custom, we must keep track of when it should break ourselves
long blockBreakStartTime = session.getBlockBreakStartTime();
if (blockBreakStartTime != 0) {
long timeSinceStart = System.currentTimeMillis() - blockBreakStartTime;
// We need to add a slight delay to the break time, otherwise the client breaks blocks too fast
if (timeSinceStart >= (breakTime+=2) * 50) {
// Play break sound and particle
LevelEventPacket effectPacket = new LevelEventPacket();
effectPacket.setPosition(vectorFloat);
effectPacket.setType(LevelEvent.PARTICLE_DESTROY_BLOCK);
effectPacket.setData(session.getBlockMappings().getBedrockBlockId(breakingBlock));
session.sendUpstreamPacket(effectPacket);
// Break the block
ServerboundPlayerActionPacket finishBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.FINISH_DIGGING,
vector, Direction.VALUES[packet.getFace()], session.getWorldCache().nextPredictionSequence());
session.sendDownstreamGamePacket(finishBreakingPacket);
session.setBlockBreakStartTime(0);
break;
}
}
updateBreak.setData((int) (65535 / breakTime));
session.sendUpstreamPacket(updateBreak);
break;
case ABORT_BREAK:
if (session.getGameMode() != GameMode.CREATIVE) {
// As of 1.16.210: item frame items are taken out here.
// Survival also sends START_BREAK, but by attaching our process here adventure mode also works
Entity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, vector);
if (itemFrameEntity != null) {
ServerboundInteractPacket interactPacket = new ServerboundInteractPacket(itemFrameEntity.getEntityId(),
InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamGamePacket(interactPacket);
break;
}
}
ServerboundPlayerActionPacket abortBreakingPacket = new ServerboundPlayerActionPacket(PlayerAction.CANCEL_DIGGING, vector, Direction.DOWN, 0);
session.sendDownstreamGamePacket(abortBreakingPacket);
LevelEventPacket stopBreak = new LevelEventPacket();
stopBreak.setType(LevelEvent.BLOCK_STOP_BREAK);
stopBreak.setPosition(vector.toFloat());
stopBreak.setData(0);
session.setBreakingBlock(-1);
session.sendUpstreamPacket(stopBreak);
break;
case STOP_BREAK:
// Handled in BedrockInventoryTransactionTranslator
break;
case DIMENSION_CHANGE_SUCCESS:
//sometimes the client doesn't feel like loading
PlayStatusPacket spawnPacket = new PlayStatusPacket();
spawnPacket.setStatus(PlayStatusPacket.Status.PLAYER_SPAWN);
session.sendUpstreamPacket(spawnPacket);
attributesPacket = new UpdateAttributesPacket();
attributesPacket.setRuntimeEntityId(entity.getGeyserId());
attributesPacket.getAttributes().addAll(entity.getAttributes().values());
session.sendUpstreamPacket(attributesPacket);
break;
case JUMP:
entity.setOnGround(false); // Increase block break time while jumping
break;
case MISSED_SWING:
// Java edition sends a cooldown when hitting air.
// Normally handled by BedrockLevelSoundEventTranslator, but there is no sound on Java for this.
CooldownUtils.sendCooldown(session);
// TODO Re-evaluate after pre-1.20.10 is no longer supported?
if (session.getArmAnimationTicks() == -1) {
session.sendDownstreamGamePacket(new ServerboundSwingPacket(Hand.MAIN_HAND));
session.activateArmAnimationTicking();
// Send packet to Bedrock so it knows
AnimatePacket animatePacket = new AnimatePacket();
animatePacket.setRuntimeEntityId(session.getPlayerEntity().getGeyserId());
animatePacket.setAction(AnimatePacket.Action.SWING_ARM);
session.sendUpstreamPacket(animatePacket);
}
break;
case START_FLYING: // Since 1.20.30
if (session.isCanFly()) {
if (session.getGameMode() == GameMode.SPECTATOR) {
// should already be flying
session.sendAdventureSettings();
break;
}
if (session.getPlayerEntity().getFlag(EntityFlag.SWIMMING) && session.getCollisionManager().isPlayerInWater()) {
// As of 1.18.1, Java Edition cannot fly while in water, but it can fly while crawling
// 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
session.sendAdventureSettings();
break;
}
session.setFlying(true);
session.sendDownstreamGamePacket(new ServerboundPlayerAbilitiesPacket(true));
} else {
// update whether we can fly
session.sendAdventureSettings();
// stop flying
PlayerActionPacket stopFlyingPacket = new PlayerActionPacket();
stopFlyingPacket.setRuntimeEntityId(session.getPlayerEntity().getGeyserId());
stopFlyingPacket.setAction(PlayerActionType.STOP_FLYING);
stopFlyingPacket.setBlockPosition(Vector3i.ZERO);
stopFlyingPacket.setResultPosition(Vector3i.ZERO);
stopFlyingPacket.setFace(0);
session.sendUpstreamPacket(stopFlyingPacket);
}
break;
case STOP_FLYING:
session.setFlying(false);
session.sendDownstreamGamePacket(new ServerboundPlayerAbilitiesPacket(false));
break;
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
if (GameProtocol.isPre1_20_70(session)) {
break;
}
int interactedBlock = session.getGeyser().getWorldManager().getBlockAt(session, vector);
if (BlockStateValues.getLecternBookStates().getOrDefault(interactedBlock, false)) {
session.setDroppingLecternBook(true);
ServerboundUseItemOnPacket blockPacket = new ServerboundUseItemOnPacket(
vector,
Direction.DOWN,
Hand.MAIN_HAND,
0, 0, 0,
false,
session.getWorldCache().nextPredictionSequence());
session.sendDownstreamGamePacket(blockPacket);
break;
}
if (session.getItemFrameCache().containsKey(vector)) {
Entity itemFrame = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
if (itemFrame != null) {
ServerboundInteractPacket interactPacket = new ServerboundInteractPacket(itemFrame.getEntityId(),
InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamGamePacket(interactPacket);
}
break;
}
}
}
}