nil_core/world/npc/
bot.rs1use crate::capital::Capital;
5use crate::city::City;
6use crate::error::Result;
7use crate::infrastructure::Infrastructure;
8use crate::npc::bot::{Bot, BotId, BotManager};
9use crate::with_random_level;
10use crate::world::World;
11use num_traits::ToPrimitive;
12use tap::Conv;
13
14impl World {
15 #[inline]
16 pub fn bot_manager(&self) -> &BotManager {
17 &self.bot_manager
18 }
19
20 #[inline]
21 pub fn bot(&self, id: &BotId) -> Result<&Bot> {
22 self.bot_manager.bot(id)
23 }
24
25 #[inline]
26 pub(crate) fn bot_mut(&mut self, id: &BotId) -> Result<&mut Bot> {
27 self.bot_manager.bot_mut(id)
28 }
29
30 pub fn bots(&self) -> impl Iterator<Item = &Bot> {
31 self.bot_manager.bots()
32 }
33
34 pub(crate) fn spawn_bot(
35 &mut self,
36 id: impl Into<BotId>,
37 infrastructure: Infrastructure,
38 ) -> Result<BotId> {
39 let id: BotId = id.into();
40 self.bot_manager.manage(id.clone())?;
41
42 let (coord, field) = self.find_spawn_point()?;
43
44 *field = City::builder(coord)
45 .name(id.as_ref())
46 .owner(id.clone())
47 .infrastructure(infrastructure)
48 .build()
49 .into();
50
51 let bot = self.bot_manager.bot_mut(&id)?;
52 bot.capital = Capital::new(coord);
53
54 Ok(id)
55 }
56
57 pub(crate) fn spawn_bots(&mut self) -> Result<()> {
58 let size = self.continent.size();
59 let density = self.config().bot_density();
60 let amount = (f64::from(size) * density)
61 .floor()
62 .max(0.0)
63 .to_usize()
64 .unwrap_or_else(|| usize::from(size).saturating_mul(2));
65
66 let advanced_start_ratio = self
67 .config
68 .bot_advanced_start_ratio()
69 .conv::<f64>();
70
71 for name in nil_namegen::generate(amount) {
72 let infrastructure = if rand::random::<f64>() > advanced_start_ratio {
73 Infrastructure::default()
74 } else {
75 Infrastructure::builder()
76 .farm(with_random_level!(Farm, 1, 10))
77 .iron_mine(with_random_level!(IronMine, 1, 10))
78 .prefecture(with_random_level!(Prefecture, 1, 5))
79 .quarry(with_random_level!(Quarry, 1, 10))
80 .sawmill(with_random_level!(Sawmill, 1, 10))
81 .silo(with_random_level!(Silo, 10, 15))
82 .warehouse(with_random_level!(Warehouse, 10, 15))
83 .build()
84 };
85
86 self.spawn_bot(name, infrastructure)?;
87 }
88
89 Ok(())
90 }
91}