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Rebalance chest density in dungeons

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- Make it depend on relative floor and not absolute floor to keep it the
  same through different dungeons.
- Make it start around the middle of dungeon to avoid chest only runs.
This commit is contained in:
juliancoffee 2021-09-02 23:22:53 +03:00
parent 970d57f905
commit 38493b615b
1 changed files with 22 additions and 9 deletions
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31
world/src/site2/plot/dungeon.rs
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@ -63,6 +63,8 @@ lazy_static! {
.clone();
}
fn floor_amount(difficulty: u32) -> u32 { 3 + difficulty / 2 }
impl Dungeon {
pub fn generate(wpos: Vec2<i32>, land: &Land, rng: &mut impl Rng) -> Self {
let mut ctx = GenCtx { land, rng };
@ -75,7 +77,7 @@ impl Dungeon {
err
)
});
let floors = 3 + difficulty / 2;
let floors = floor_amount(difficulty);
Self {
name: {
@ -383,7 +385,7 @@ impl Floor {
difficulty: u32,
) -> (Self, Vec2<i32>) {
const MAX_WIDTH: u32 = 4;
let floors = 3 + difficulty / 2;
let floors = floor_amount(difficulty);
let final_level = level == floors as i32 - 1;
let width = (2 + difficulty / 2).min(MAX_WIDTH);
let height = (15 + difficulty * 3).min(30);
@ -516,11 +518,20 @@ impl Floor {
None => return,
};
let loot_density = |difficulty, level| {
let max_floor = floor_amount(difficulty);
// We count floors from 0, don't divide by zero
let current_floor = level + 1;
let ratio = f64::from(current_floor) / f64::from(max_floor);
// filter starting floors
let ratio = 0.0_f64.max(ratio - 0.55);
0.00175 * ratio as f32
};
match ctx.rng.gen_range(0..5) {
// Miniboss room
0 => self.create_room(Room {
seed: ctx.rng.gen(),
loot_density: 0.000025 + level as f32 * 0.00015,
loot_density: loot_density(self.difficulty, level),
kind: RoomKind::Miniboss,
area,
height: ctx.rng.gen_range(15..20),
@ -530,7 +541,7 @@ impl Floor {
// Fight room with enemies in it
_ => self.create_room(Room {
seed: ctx.rng.gen(),
loot_density: 0.000025 + level as f32 * 0.00015,
loot_density: loot_density(self.difficulty, level),
kind: RoomKind::Fight,
area,
height: ctx.rng.gen_range(10..15),
@ -1219,8 +1230,9 @@ impl Floor {
let seed = room.seed;
let loot_density = room.loot_density;
let difficulty = room.difficulty;
// Place chests with a random distribution based on the room's loot density in
// valid sprite locations, filled based on the room's difficulty
// Place chests with a random distribution based on the
// room's loot density in valid sprite locations,
// filled based on the room's difficulty
let chest_sprite = prim(Primitive::Sampling(
sprite_layer,
Box::new(move |pos| RandomField::new(seed).chance(pos, loot_density * 0.5)),
@ -1236,9 +1248,10 @@ impl Floor {
}));
chests = Some((chest_sprite, chest_sprite_fill));
// If a room has pillars, the current tile aligns with the pillar spacing, and
// we're not too close to a wall (i.e. the adjacent tiles are rooms and not
// hallways/solid), place a pillar
// If a room has pillars, the current tile aligns with
// the pillar spacing, and we're not too close to a wall
// (i.e. the adjacent tiles are rooms and not hallways/solid),
// place a pillar
if room
.pillars
.map(|pillar_space| {