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1#![allow(clippy::type_complexity)]
2
3use std::fmt;
4
5use valence::prelude::*;
6
7const SPAWN_Y: i32 = 64;
8
9pub fn main() {
10 App::new()
11 .add_plugins(DefaultPlugins)
12 .add_systems(Startup, setup)
13 .add_systems(
14 Update,
15 (init_clients, despawn_disconnected_clients, manage_particles),
16 )
17 .run();
18}
19
20#[derive(Resource)]
21struct ParticleVec(Vec<Particle>);
22
23fn setup(
24 mut commands: Commands,
25 server: Res<Server>,
26 dimensions: Res<DimensionTypeRegistry>,
27 biomes: Res<BiomeRegistry>,
28) {
29 let mut layer = LayerBundle::new(ident!("overworld"), &dimensions, &biomes, &server);
30
31 for z in -5..5 {
32 for x in -5..5 {
33 layer.chunk.insert_chunk([x, z], UnloadedChunk::new());
34 }
35 }
36
37 layer.chunk.set_block([0, SPAWN_Y, 0], BlockState::BEDROCK);
38
39 commands.spawn(layer);
40
41 commands.insert_resource(ParticleVec(create_particle_vec()));
42}
43
44fn init_clients(
45 mut clients: Query<
46 (
47 &mut EntityLayerId,
48 &mut VisibleChunkLayer,
49 &mut VisibleEntityLayers,
50 &mut Position,
51 &mut GameMode,
52 ),
53 Added<Client>,
54 >,
55 layers: Query<Entity, (With<ChunkLayer>, With<EntityLayer>)>,
56) {
57 for (
58 mut layer_id,
59 mut visible_chunk_layer,
60 mut visible_entity_layers,
61 mut pos,
62 mut game_mode,
63 ) in &mut clients
64 {
65 let layer = layers.single();
66
67 layer_id.0 = layer;
68 visible_chunk_layer.0 = layer;
69 visible_entity_layers.0.insert(layer);
70 pos.set([0.0, f64::from(SPAWN_Y) + 1.0, 0.0]);
71 *game_mode = GameMode::Creative;
72 }
73}
74
75fn manage_particles(
76 particles: Res<ParticleVec>,
77 server: Res<Server>,
78 mut layers: Query<&mut ChunkLayer>,
79 mut particle_idx: Local<usize>,
80) {
81 if server.current_tick() % 10 != 0 {
82 return;
83 }
84
85 let particle = &particles.0[*particle_idx];
86
87 *particle_idx = (*particle_idx + 1) % particles.0.len();
88
89 let name = dbg_name(particle);
90
91 let pos = [0.5, f64::from(SPAWN_Y) + 2.0, 5.0];
92 let offset = [0.5, 0.5, 0.5];
93
94 let mut layer = layers.single_mut();
95
96 layer.play_particle(particle, true, pos, offset, 0.1, 100);
97 layer.set_action_bar(name.bold());
98}
99
100fn dbg_name(dbg: &impl fmt::Debug) -> String {
101 let string = format!("{dbg:?}");
102
103 string
104 .split_once(|ch: char| !ch.is_ascii_alphabetic())
105 .map(|(fst, _)| fst.to_owned())
106 .unwrap_or(string)
107}
108
109fn create_particle_vec() -> Vec<Particle> {
110 vec![
111 Particle::AmbientEntityEffect,
112 Particle::AngryVillager,
113 Particle::Block(BlockState::OAK_PLANKS),
114 Particle::BlockMarker(BlockState::GOLD_BLOCK),
115 Particle::Bubble,
116 Particle::Cloud,
117 Particle::Crit,
118 Particle::DamageIndicator,
119 Particle::DragonBreath,
120 Particle::DrippingLava,
121 Particle::FallingLava,
122 Particle::LandingLava,
123 Particle::DrippingWater,
124 Particle::FallingWater,
125 Particle::Dust {
126 rgb: Vec3::new(1.0, 1.0, 0.0),
127 scale: 2.0,
128 },
129 Particle::DustColorTransition {
130 from_rgb: Vec3::new(1.0, 0.0, 0.0),
131 scale: 2.0,
132 to_rgb: Vec3::new(0.0, 1.0, 0.0),
133 },
134 Particle::Effect,
135 Particle::ElderGuardian,
136 Particle::EnchantedHit,
137 Particle::Enchant,
138 Particle::EndRod,
139 Particle::EntityEffect,
140 Particle::ExplosionEmitter,
141 Particle::Explosion,
142 Particle::SonicBoom,
143 Particle::FallingDust(BlockState::RED_SAND),
144 Particle::Firework,
145 Particle::Fishing,
146 Particle::Flame,
147 Particle::CherryLeaves,
148 Particle::SculkSoul,
149 Particle::SculkCharge { roll: 1.0 },
150 Particle::SculkChargePop,
151 Particle::SoulFireFlame,
152 Particle::Soul,
153 Particle::Flash,
154 Particle::HappyVillager,
155 Particle::Composter,
156 Particle::Heart,
157 Particle::InstantEffect,
158 Particle::Item(ItemStack::EMPTY),
159 Particle::Item(ItemStack::new(ItemKind::IronPickaxe, 1, None)),
160 Particle::VibrationBlock {
161 block_pos: [0, SPAWN_Y, 0].into(),
162 ticks: 50,
163 },
164 Particle::VibrationEntity {
165 entity_id: 0,
166 entity_eye_height: 1.0,
167 ticks: 50,
168 },
169 Particle::ItemSlime,
170 Particle::ItemSnowball,
171 Particle::LargeSmoke,
172 Particle::Lava,
173 Particle::Mycelium,
174 Particle::Note,
175 Particle::Poof,
176 Particle::Portal,
177 Particle::Rain,
178 Particle::Smoke,
179 Particle::Sneeze,
180 Particle::Spit,
181 Particle::SquidInk,
182 Particle::SweepAttack,
183 Particle::TotemOfUndying,
184 Particle::Underwater,
185 Particle::Splash,
186 Particle::Witch,
187 Particle::BubblePop,
188 Particle::CurrentDown,
189 Particle::BubbleColumnUp,
190 Particle::Nautilus,
191 Particle::Dolphin,
192 Particle::CampfireCosySmoke,
193 Particle::CampfireSignalSmoke,
194 Particle::DrippingHoney,
195 Particle::FallingHoney,
196 Particle::LandingHoney,
197 Particle::FallingNectar,
198 Particle::FallingSporeBlossom,
199 Particle::Ash,
200 Particle::CrimsonSpore,
201 Particle::WarpedSpore,
202 Particle::SporeBlossomAir,
203 Particle::DrippingObsidianTear,
204 Particle::FallingObsidianTear,
205 Particle::LandingObsidianTear,
206 Particle::ReversePortal,
207 Particle::WhiteAsh,
208 Particle::SmallFlame,
209 Particle::Snowflake,
210 Particle::DrippingDripstoneLava,
211 Particle::FallingDripstoneLava,
212 Particle::DrippingDripstoneWater,
213 Particle::FallingDripstoneWater,
214 Particle::GlowSquidInk,
215 Particle::Glow,
216 Particle::WaxOn,
217 Particle::WaxOff,
218 Particle::ElectricSpark,
219 Particle::Scrape,
220 Particle::Shriek { delay: 0 },
221 Particle::EggCrack,
222 ]
223}