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Rocks!

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This commit is contained in:
Joshua Yanovski 2022-07-10 21:08:18 -07:00
parent c4f2cae04a
commit 8db5acd987
5 changed files with 81 additions and 38 deletions
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3
assets/world/features.ron
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@ -4,12 +4,13 @@
(
caverns: false, // TODO: Disabled by default until cave overhaul
caves: true,
rocks: false,
rocks: true,
shrubs: false,
trees: true,
scatter: false,
paths: true,
spots: true,
snow: true,
wildlife_density: 1.0,
peak_naming: true,
biome_naming: true,

1
world/src/config.rs
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@ -91,6 +91,7 @@ pub struct Features {
pub wildlife_density: f32,
pub peak_naming: bool,
pub biome_naming: bool,
pub snow: bool,
}
impl assets::Asset for Features {

108
world/src/layer/rock.rs
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@ -14,92 +14,132 @@ use vek::*;
struct Rock {
wpos: Vec3<i32>,
seed: u32,
units: Vec2<Vec2<i32>>,
// units: Vec2<Vec2<i32>>,
kind: RockKind,
}
pub fn apply_rocks_to(canvas: &mut Canvas, _dynamic_rng: &mut impl Rng) {
let mut rock_gen = StructureGenCache::new(StructureGen2d::new(canvas.index().seed, 24, 10));
// let mut rock_gen = StructureGenCache::new(StructureGen2d::new(canvas.index().seed, 24, 10));
let info = canvas.info();
canvas.foreach_col(|canvas, wpos2d, col| {
let rocks = rock_gen.get(wpos2d, |wpos, seed| {
let col = info.col_or_gen(wpos)?;
let area_size = Vec2::from(info.area().size().map(|e| e as i32));
let render_area = Aabr {
min: info.wpos(),
max: info.wpos() + area_size,
};
let info = canvas.info();
info.chunks()
.gen_ctx
.rock_gen
.iter(render_area.min, render_area.max)
.for_each(|(wpos, seed)| {
/*canvas.foreach_col(|canvas, wpos2d, col| {
let rocks = rock_gen.get(wpos2d, |wpos, seed| {*/
let col = if let Some(col) = info.col_or_gen(wpos) {
col
} else {
return;
};
let mut rng = ChaChaRng::from_seed(seed_expan::rng_state(seed));
const BASE_ROCK_DENSITY: f64 = 0.15;
if rng.gen_bool((BASE_ROCK_DENSITY * col.rock_density as f64).clamped(0.0, 1.0))
let rock = if rng.gen_bool((BASE_ROCK_DENSITY * col.rock_density as f64).clamped(0.0, 1.0))
&& col.path.map_or(true, |(d, _, _, _)| d > 6.0)
{
match (
let kind = match (
(col.alt - CONFIG.sea_level) as i32,
(col.alt - col.water_level) as i32,
col.water_dist.map_or(i32::MAX, |d| d as i32),
) {
(-3..=2, _, _) => {
if rng.gen_bool(0.3) {
Some(RockKind::Rauk(Pillar::generate(&mut rng)))
/*Some(*/RockKind::Rauk(Pillar::generate(&mut rng))/*)*/
} else {
Some(RockKind::Rock(VoronoiCell::generate(
/*Some(*/RockKind::Rock(VoronoiCell::generate(
rng.gen_range(1.0..3.0),
&mut rng,
)))
))/*)*/
}
},
(_, -15..=3, _) => Some(RockKind::Rock(VoronoiCell::generate(
(_, -15..=3, _) => /*Some(*/RockKind::Rock(VoronoiCell::generate(
rng.gen_range(1.0..4.0),
&mut rng,
))),
))/*)*/,
(5..=i32::MAX, _, 0..=i32::MAX) => {
if col.temp > CONFIG.desert_temp - 0.1
&& col.humidity < CONFIG.desert_hum + 0.1
{
Some(RockKind::Sandstone(VoronoiCell::generate(
/*Some(*/RockKind::Sandstone(VoronoiCell::generate(
rng.gen_range(2.0..20.0 - 10.0 * col.tree_density),
&mut rng,
)))
))/*)*/
} else {
Some(RockKind::Rock(VoronoiCell::generate(
/*Some(*/RockKind::Rock(VoronoiCell::generate(
rng.gen_range(2.0..20.0 - 10.0 * col.tree_density),
&mut rng,
)))
))/*)*/
}
},
_ => None,
}
.map(|kind| Rock {
_ => /*None*/return,
};
/*.map(|kind| */Rock {
wpos: wpos.with_z(col.alt as i32),
seed,
units: UnitChooser::new(seed).get(seed).into(),
// units: UnitChooser::new(seed).get(seed).into(),
kind,
})
}/*)*/
} else {
None
/* None */return
};
/*});
for rock in rocks {*/
let bounds = rock.kind.get_bounds();
let mut aabb = Aabb {
min: rock.wpos + bounds.min.as_(),
max: rock.wpos + bounds.max.as_(),
};
if !aabb.is_valid() {
// Negative-size rock somehow?
return;
}
aabb.intersect(Aabb {
min: render_area.min.with_z(aabb.min.z),
max: render_area.max.with_z(aabb.max.z),
});
for rock in rocks {
let bounds = rock.kind.get_bounds();
let rpos2d = (wpos2d - rock.wpos.xy())
/* let rpos2d = (wpos2d - rock.wpos.xy())
.map2(rock.units, |p, unit| unit * p)
.sum();
if !Aabr::from(bounds).contains_point(rpos2d) {
// Skip this column
continue;
}
} */
/* let mut is_top = true; */
let mut last_block = Block::empty();
for z in (bounds.min.z..bounds.max.z).rev() {
let wpos = Vec3::new(wpos2d.x, wpos2d.y, rock.wpos.z + z);
let model_pos = (wpos - rock.wpos)
(/*bounds*/aabb.min.x../*bounds*/aabb.max.x).for_each(|x| {
(/*bounds*/aabb.min.y../*bounds*/aabb.max.y).for_each(|y| {
let col = if let Some(col) = info.col(Vec2::new(x, y)) {
col
} else {
// NOTE: Should never happen as we're always within the render area.
return;
};
for z in (/*bounds*/aabb.min.z../*bounds*/aabb.max.z).rev() {
let wpos = Vec3::new(x, y, z);
let model_pos = wpos - rock.wpos;
// let wpos = Vec3::new(wpos2d.x, wpos2d.y, rock.wpos.z + z);
/* let model_pos = (wpos - rock.wpos)
.xy()
.map2(rock.units, |rpos, unit| unit * rpos)
.sum()
.with_z(wpos.z - rock.wpos.z);
.with_z(wpos.z - rock.wpos.z); */
rock.kind
.take_sample(model_pos, rock.seed, last_block, col)
@ -114,9 +154,9 @@ pub fn apply_rocks_to(canvas: &mut Canvas, _dynamic_rng: &mut impl Rng) {
/* is_top = false; */
last_block = block;
});
}
}
});
}});});
/*}
}*/});
}
struct VoronoiCell {

2
world/src/lib.rs
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@ -548,7 +548,7 @@ impl World {
// Apply snow cover (we do this after defragmentation to benefit from faster iteration over
// air underground).
if has_snow {
if index.features.snow && has_snow {
let snow = Block::new(BlockKind::Snow, Rgb::new(210, 210, 255));
// NOTE: We assume throughout Veloren that u32 fits in usize (we need to make this a static
// assertion). RECT_SIZE.product() is statically valid.

5
world/src/sim/mod.rs
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@ -126,6 +126,7 @@ pub(crate) struct GenCtx {
pub _region_gen: StructureGen2d,
// pub _fast_turb_x_nz: FastNoise,
pub rock_gen: StructureGen2d,
pub _fast_turb_y_nz: FastNoise,
pub _town_gen: StructureGen2d,
@ -578,8 +579,8 @@ impl WorldSim {
.set_seed(rng.gen()),
// _fast_turb_x_nz: FastNoise::new(rng.gen()),
fast_hill_nz: Value::new()
.set_seed({ let _ = rng.gen::<u32>(); hill_nz_seed }),
rock_gen: StructureGen2d::new(rng.gen(), 24, 10),
fast_hill_nz: Value::new().set_seed(hill_nz_seed),
_fast_turb_y_nz: FastNoise::new(rng.gen()),
_town_gen: StructureGen2d::new(rng.gen(), 2048, 1024),