Datasets:

Modalities:
Text
Formats:
json
Languages:
code
Size:
< 1K
Tags:
code
Libraries:
Datasets
pandas
License:
File size: 8,291 Bytes
eb67da4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/*
 * Copyright (c) 2019-2021 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.connector.network.translators.java.world;

import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
import com.github.steveice10.mc.protocol.data.game.world.particle.*;
import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerSpawnParticlePacket;
import com.nukkitx.math.vector.Vector3f;
import com.nukkitx.protocol.bedrock.BedrockPacket;
import com.nukkitx.protocol.bedrock.data.LevelEventType;
import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
import com.nukkitx.protocol.bedrock.packet.LevelEventPacket;
import com.nukkitx.protocol.bedrock.packet.SpawnParticleEffectPacket;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;
import org.geysermc.connector.network.translators.item.ItemTranslator;
import org.geysermc.connector.registry.Registries;
import org.geysermc.connector.registry.type.ParticleMapping;
import org.geysermc.connector.utils.DimensionUtils;

import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;
import java.util.function.Function;

@Translator(packet = ServerSpawnParticlePacket.class)
public class JavaSpawnParticleTranslator extends PacketTranslator<ServerSpawnParticlePacket> {

    @Override
    public void translate(GeyserSession session, ServerSpawnParticlePacket packet) {
        Function<Vector3f, BedrockPacket> particleCreateFunction = createParticle(session, packet.getParticle());
        if (particleCreateFunction != null) {
            if (packet.getAmount() == 0) {
                // 0 means don't apply the offset
                Vector3f position = Vector3f.from(packet.getX(), packet.getY(), packet.getZ());
                session.sendUpstreamPacket(particleCreateFunction.apply(position));
            } else {
                Random random = ThreadLocalRandom.current();
                for (int i = 0; i < packet.getAmount(); i++) {
                    double offsetX = random.nextGaussian() * (double) packet.getOffsetX();
                    double offsetY = random.nextGaussian() * (double) packet.getOffsetY();
                    double offsetZ = random.nextGaussian() * (double) packet.getOffsetZ();
                    Vector3f position = Vector3f.from(packet.getX() + offsetX, packet.getY() + offsetY, packet.getZ() + offsetZ);

                    session.sendUpstreamPacket(particleCreateFunction.apply(position));
                }
            }
        } else {
            // Null is only returned when no particle of this type is found
            session.getConnector().getLogger().debug("Unhandled particle packet: " + packet);
        }
    }

    /**
     * @param session the Bedrock client session.
     * @param particle the Java particle to translate to a Bedrock equivalent.
     * @return a function to create a packet with a specified particle, in the event we need to spawn multiple particles
     * with different offsets.
     */
    private Function<Vector3f, BedrockPacket> createParticle(GeyserSession session, Particle particle) {
        switch (particle.getType()) {
            case BLOCK: {
                int blockState = session.getBlockMappings().getBedrockBlockId(((BlockParticleData) particle.getData()).getBlockState());
                return (position) -> {
                    LevelEventPacket packet = new LevelEventPacket();
                    packet.setType(LevelEventType.PARTICLE_CRACK_BLOCK);
                    packet.setPosition(position);
                    packet.setData(blockState);
                    return packet;
                };
            }
            case FALLING_DUST: {
                int blockState = session.getBlockMappings().getBedrockBlockId(((FallingDustParticleData) particle.getData()).getBlockState());
                return (position) -> {
                    LevelEventPacket packet = new LevelEventPacket();
                    // In fact, FallingDustParticle should have data like DustParticle,
                    // but in MCProtocol, its data is BlockState(1).
                    packet.setType(LevelEventType.PARTICLE_FALLING_DUST);
                    packet.setData(blockState);
                    packet.setPosition(position);
                    return packet;
                };
            }
            case ITEM: {
                ItemStack javaItem = ((ItemParticleData) particle.getData()).getItemStack();
                ItemData bedrockItem = ItemTranslator.translateToBedrock(session, javaItem);
                int data = bedrockItem.getId() << 16 | bedrockItem.getDamage();
                return (position) -> {
                    LevelEventPacket packet = new LevelEventPacket();
                    packet.setType(LevelEventType.PARTICLE_ITEM_BREAK);
                    packet.setData(data);
                    packet.setPosition(position);
                    return packet;
                };
            }
            case DUST:
            case DUST_COLOR_TRANSITION: { //TODO
                DustParticleData data = (DustParticleData) particle.getData();
                int r = (int) (data.getRed() * 255);
                int g = (int) (data.getGreen() * 255);
                int b = (int) (data.getBlue() * 255);
                int rgbData = ((0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
                return (position) -> {
                    LevelEventPacket packet = new LevelEventPacket();
                    packet.setType(LevelEventType.PARTICLE_FALLING_DUST);
                    packet.setData(rgbData);
                    packet.setPosition(position);
                    return packet;
                };
            }
            default: {
                ParticleMapping particleMapping = Registries.PARTICLES.get(particle.getType());
                if (particleMapping == null) { //TODO ensure no particle can be null
                    return null;
                }

                if (particleMapping.getLevelEventType() != null) {
                    return (position) -> {
                        LevelEventPacket packet = new LevelEventPacket();
                        packet.setType(particleMapping.getLevelEventType());
                        packet.setPosition(position);
                        return packet;
                    };
                } else if (particleMapping.getIdentifier() != null) {
                    int dimensionId = DimensionUtils.javaToBedrock(session.getDimension());
                    return (position) -> {
                        SpawnParticleEffectPacket stringPacket = new SpawnParticleEffectPacket();
                        stringPacket.setIdentifier(particleMapping.getIdentifier());
                        stringPacket.setDimensionId(dimensionId);
                        stringPacket.setPosition(position);
                        return stringPacket;
                    };
                } else {
                    return null;
                }
            }
        }
    }
}