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Better spawn town

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This commit is contained in:
Joshua Barretto 2020-05-15 19:26:09 +01:00
parent ba80f7c872
commit fff4021777
1 changed files with 6 additions and 1 deletions
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7
world/src/civ/mod.rs
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@ -34,6 +34,9 @@ pub struct Civs {
sites: Store<Site>, sites: Store<Site>,
} }
// Change this to get rid of particularly horrid seeds
const SEED_SKIP: u8 = 1;
pub struct GenCtx<'a, R: Rng> { pub struct GenCtx<'a, R: Rng> {
sim: &'a mut WorldSim, sim: &'a mut WorldSim,
rng: R, rng: R,
@ -41,9 +44,11 @@ pub struct GenCtx<'a, R: Rng> {
impl<'a, R: Rng> GenCtx<'a, R> { impl<'a, R: Rng> GenCtx<'a, R> {
pub fn reseed(&mut self) -> GenCtx<'_, impl Rng> { pub fn reseed(&mut self) -> GenCtx<'_, impl Rng> {
let mut entropy = self.rng.gen::<[u8; 32]>();
entropy[0] = entropy[0].wrapping_add(SEED_SKIP); // Skip bad seeds
GenCtx { GenCtx {
sim: self.sim, sim: self.sim,
rng: ChaChaRng::from_seed(self.rng.gen()), rng: ChaChaRng::from_seed(entropy),
} }
} }
} }