mirror of https://github.com/GeyserMC/Geyser.git
216 lines
11 KiB
Java
216 lines
11 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.java.level;
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import com.github.steveice10.mc.protocol.data.game.item.ItemStack;
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import com.github.steveice10.mc.protocol.data.game.level.particle.BlockParticleData;
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import com.github.steveice10.mc.protocol.data.game.level.particle.DustParticleData;
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import com.github.steveice10.mc.protocol.data.game.level.particle.ItemParticleData;
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import com.github.steveice10.mc.protocol.data.game.level.particle.Particle;
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import com.github.steveice10.mc.protocol.data.game.level.particle.VibrationParticleData;
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import com.github.steveice10.mc.protocol.data.game.level.particle.positionsource.BlockPositionSource;
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import com.github.steveice10.mc.protocol.data.game.level.particle.positionsource.EntityPositionSource;
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import com.github.steveice10.mc.protocol.packet.ingame.clientbound.level.ClientboundLevelParticlesPacket;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import org.cloudburstmc.nbt.NbtMap;
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import org.cloudburstmc.math.vector.Vector3f;
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import org.cloudburstmc.protocol.bedrock.data.LevelEvent;
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import org.cloudburstmc.protocol.bedrock.data.ParticleType;
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import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
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import org.cloudburstmc.protocol.bedrock.packet.BedrockPacket;
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import org.cloudburstmc.protocol.bedrock.packet.LevelEventGenericPacket;
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import org.cloudburstmc.protocol.bedrock.packet.LevelEventPacket;
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import org.cloudburstmc.protocol.bedrock.packet.SpawnParticleEffectPacket;
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import org.geysermc.geyser.entity.type.Entity;
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import org.geysermc.geyser.registry.Registries;
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import org.geysermc.geyser.registry.type.ParticleMapping;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.translator.item.ItemTranslator;
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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.DimensionUtils;
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import java.util.Optional;
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import java.util.Random;
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import java.util.concurrent.ThreadLocalRandom;
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import java.util.function.Function;
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@Translator(packet = ClientboundLevelParticlesPacket.class)
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public class JavaLevelParticlesTranslator extends PacketTranslator<ClientboundLevelParticlesPacket> {
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@Override
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public void translate(GeyserSession session, ClientboundLevelParticlesPacket packet) {
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Function<Vector3f, BedrockPacket> particleCreateFunction = createParticle(session, packet.getParticle());
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if (particleCreateFunction != null) {
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if (packet.getAmount() == 0) {
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// 0 means don't apply the offset
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Vector3f position = Vector3f.from(packet.getX(), packet.getY(), packet.getZ());
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session.sendUpstreamPacket(particleCreateFunction.apply(position));
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} else {
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Random random = ThreadLocalRandom.current();
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for (int i = 0; i < packet.getAmount(); i++) {
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double offsetX = random.nextGaussian() * (double) packet.getOffsetX();
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double offsetY = random.nextGaussian() * (double) packet.getOffsetY();
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double offsetZ = random.nextGaussian() * (double) packet.getOffsetZ();
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Vector3f position = Vector3f.from(packet.getX() + offsetX, packet.getY() + offsetY, packet.getZ() + offsetZ);
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session.sendUpstreamPacket(particleCreateFunction.apply(position));
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}
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}
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} else {
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// Null is only returned when no particle of this type is found
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session.getGeyser().getLogger().debug("Unhandled particle packet: " + packet);
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}
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}
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/**
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* @param session the Bedrock client session.
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* @param particle the Java particle to translate to a Bedrock equivalent.
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* @return a function to create a packet with a specified particle, in the event we need to spawn multiple particles
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* with different offsets.
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*/
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private @Nullable Function<Vector3f, BedrockPacket> createParticle(GeyserSession session, Particle particle) {
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switch (particle.getType()) {
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case BLOCK -> {
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int blockState = session.getBlockMappings().getBedrockBlockId(((BlockParticleData) particle.getData()).getBlockState());
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return (position) -> {
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LevelEventPacket packet = new LevelEventPacket();
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packet.setType(LevelEvent.PARTICLE_CRACK_BLOCK);
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packet.setPosition(position);
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packet.setData(blockState);
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return packet;
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};
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}
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case FALLING_DUST -> {
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int blockState = session.getBlockMappings().getBedrockBlockId(((BlockParticleData) particle.getData()).getBlockState());
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return (position) -> {
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LevelEventPacket packet = new LevelEventPacket();
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// In fact, FallingDustParticle should have data like DustParticle,
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// but in MCProtocol, its data is BlockState(1).
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packet.setType(ParticleType.FALLING_DUST);
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packet.setData(blockState);
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packet.setPosition(position);
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return packet;
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};
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}
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case ITEM -> {
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ItemStack javaItem = ((ItemParticleData) particle.getData()).getItemStack();
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ItemData bedrockItem = ItemTranslator.translateToBedrock(session, javaItem);
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int data = bedrockItem.getDefinition().getRuntimeId() << 16 | bedrockItem.getDamage();
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return (position) -> {
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LevelEventPacket packet = new LevelEventPacket();
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packet.setType(ParticleType.ICON_CRACK);
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packet.setData(data);
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packet.setPosition(position);
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return packet;
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};
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}
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case DUST, DUST_COLOR_TRANSITION -> { //TODO
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DustParticleData data = (DustParticleData) particle.getData();
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int r = (int) (data.getRed() * 255);
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int g = (int) (data.getGreen() * 255);
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int b = (int) (data.getBlue() * 255);
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int rgbData = ((0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
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return (position) -> {
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LevelEventPacket packet = new LevelEventPacket();
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packet.setType(ParticleType.FALLING_DUST);
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packet.setData(rgbData);
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packet.setPosition(position);
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return packet;
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};
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}
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case VIBRATION -> {
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VibrationParticleData data = (VibrationParticleData) particle.getData();
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Vector3f target;
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if (data.getPositionSource() instanceof BlockPositionSource blockPositionSource) {
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target = blockPositionSource.getPosition().toFloat().add(0.5f, 0.5f, 0.5f);
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} else if (data.getPositionSource() instanceof EntityPositionSource entityPositionSource) {
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Entity entity = session.getEntityCache().getEntityByJavaId(entityPositionSource.getEntityId());
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if (entity != null) {
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target = entity.getPosition().up(entityPositionSource.getYOffset());
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} else {
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session.getGeyser().getLogger().debug("Unable to find entity with Java Id: " + entityPositionSource.getEntityId() + " for vibration particle.");
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return null;
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}
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} else {
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session.getGeyser().getLogger().debug("Unknown position source " + data.getPositionSource() + " for vibration particle.");
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return null;
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}
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return (position) -> {
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LevelEventGenericPacket packet = new LevelEventGenericPacket();
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packet.setType(LevelEvent.PARTICLE_VIBRATION_SIGNAL);
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packet.setTag(
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NbtMap.builder()
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.putCompound("origin", buildVec3PositionTag(position))
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.putCompound("target", buildVec3PositionTag(target)) // There is a way to target an entity but that takes an attachPos instead of a y offset
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.putFloat("speed", 20f)
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.putFloat("timeToLive", data.getArrivalTicks() / 20f)
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.build()
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);
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return packet;
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};
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}
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default -> {
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ParticleMapping particleMapping = Registries.PARTICLES.get(particle.getType());
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if (particleMapping == null) { //TODO ensure no particle can be null
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return null;
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}
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if (particleMapping.levelEventType() != null) {
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return (position) -> {
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LevelEventPacket packet = new LevelEventPacket();
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packet.setType(particleMapping.levelEventType());
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packet.setPosition(position);
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return packet;
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};
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} else if (particleMapping.identifier() != null) {
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int dimensionId = DimensionUtils.javaToBedrock(session.getDimension());
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return (position) -> {
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SpawnParticleEffectPacket stringPacket = new SpawnParticleEffectPacket();
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stringPacket.setIdentifier(particleMapping.identifier());
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stringPacket.setDimensionId(dimensionId);
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stringPacket.setPosition(position);
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stringPacket.setMolangVariablesJson(Optional.empty());
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return stringPacket;
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};
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} else {
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return null;
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}
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}
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}
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}
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private NbtMap buildVec3PositionTag(Vector3f position) {
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return NbtMap.builder()
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.putString("type", "vec3")
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.putFloat("x", position.getX())
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.putFloat("y", position.getY())
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.putFloat("z", position.getZ())
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.build();
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}
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} |