veloren_world/sim/
location.rs

1use core::hash::BuildHasherDefault;
2use fxhash::FxHasher64;
3use hashbrown::HashSet;
4use rand::{Rng, seq::SliceRandom};
5use vek::*;
6
7#[derive(Clone, Debug)]
8pub struct Location {
9    pub(crate) name: String,
10    pub(crate) center: Vec2<i32>,
11    pub(crate) kingdom: Option<Kingdom>,
12    // We use this hasher (FxHasher64) because
13    // (1) we don't care about DDOS attacks (ruling out SipHash);
14    // (2) we care about determinism across computers (ruling out AAHash);
15    // (3) we have 8-byte keys (for which FxHash is fastest).
16    pub(crate) neighbours: HashSet<u64, BuildHasherDefault<FxHasher64>>,
17}
18
19impl Location {
20    pub fn generate(center: Vec2<i32>, rng: &mut impl Rng) -> Self {
21        Self {
22            name: generate_name(rng),
23            center,
24            kingdom: None,
25            neighbours: HashSet::default(),
26        }
27    }
28
29    pub fn name(&self) -> &str { &self.name }
30
31    pub fn kingdom(&self) -> Option<&Kingdom> { self.kingdom.as_ref() }
32}
33
34#[derive(Clone, Debug)]
35pub struct Kingdom {
36    #[expect(dead_code)]
37    region_name: String,
38}
39
40fn generate_name(rng: &mut impl Rng) -> String {
41    let firstsyl = [
42        "Eri", "Val", "Gla", "Wilde", "Cold", "Deep", "Dura", "Ester", "Fay", "Dark", "West",
43        "East", "North", "South", "Ray", "Eri", "Dal", "Som", "Sommer", "Black", "Iron", "Grey",
44        "Hel", "Gal", "Mor", "Lo", "Nil", "Bel", "Lor", "Gold", "Red", "Marble", "Mana", "Gar",
45        "Mountain", "Red", "Cheo", "Far", "High",
46    ];
47    let mid = ["ka", "se", "au", "da", "di"];
48    let tails = [
49        /* "mill", */ "ben", "sel", "dori", "theas", "dar", "bur", "to", "vis", "ten",
50        "stone", "tiva", "id", "and", "or", "el", "ond", "ia", "eld", "ald", "aft", "ift", "ity",
51        "well", "oll", "ill", "all", "wyn", "light", " Hill", "lin", "mont", "mor", "cliff", "rok",
52        "den", "mi", "rock", "glenn", "rovi", "lea", "gate", "view", "ley", "wood", "ovia",
53        "cliff", "marsh", "kor", "ice", /* "river", */ "acre", "venn", "crest", "field",
54        "vale", "spring", " Vale", "grasp", "fel", "fall", "grove", "wyn", "edge",
55    ];
56
57    let mut name = String::new();
58    if rng.gen() {
59        name += firstsyl.choose(rng).unwrap();
60        name += mid.choose(rng).unwrap();
61        name += tails.choose(rng).unwrap();
62        name
63    } else {
64        name += firstsyl.choose(rng).unwrap();
65        name += tails.choose(rng).unwrap();
66        name
67    }
68}
veloren_world/sim/location.rs

veloren_world/sim/
location.rs
