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Fixed AO lighting issue

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This commit is contained in:
Joshua Barretto 2019-06-18 22:37:48 +01:00
parent 451bbe9921
commit d10ef37528
3 changed files with 21 additions and 16 deletions
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2
voxygen/src/mesh/segment.rs
View File

@ -27,7 +27,7 @@ impl Meshable for Segment {
pos,
offs + pos.map(|e| e as f32),
col,
|origin, norm, col, light| FigureVertex::new(origin, norm, col * light, 0),
|origin, norm, col, ao, light| FigureVertex::new(origin, norm, col * ao * light, 0),
true,
&[[[1.0; 3]; 3]; 3],
);

2
voxygen/src/mesh/terrain.rs
View File

@ -106,7 +106,7 @@ impl<V: BaseVol<Vox = Block> + ReadVol + Debug, S: VolSize + Clone> Meshable for
pos,
offs,
col,
|pos, norm, col, light| TerrainVertex::new(pos, norm, col, light),
|pos, norm, col, ao, light| TerrainVertex::new(pos, norm, col * ao, light),
false,
&neighbour_light,
);

33
voxygen/src/mesh/vol.rs
View File

@ -10,7 +10,7 @@ use crate::render::{
/// Given volume, position, and cardinal directions, compute each vertex's AO value.
/// `dirs` should be a slice of length 5 so that the sliding window of size 2 over the slice
/// yields each vertex' adjacent positions.
fn get_ao_quad<V: ReadVol>(vol: &V, pos: Vec3<i32>, shift: Vec3<i32>, dirs: &[Vec3<i32>], corners: &[[usize; 3]; 4], darknesses: &[[[f32; 3]; 3]; 3]) -> Vec4<f32> {
fn get_ao_quad<V: ReadVol>(vol: &V, pos: Vec3<i32>, shift: Vec3<i32>, dirs: &[Vec3<i32>], corners: &[[usize; 3]; 4], darknesses: &[[[f32; 3]; 3]; 3]) -> Vec4<(f32, f32)> {
dirs.windows(2)
.enumerate()
.map(|(i, offs)| {
@ -32,7 +32,7 @@ fn get_ao_quad<V: ReadVol>(vol: &V, pos: Vec3<i32>, shift: Vec3<i32>, dirs: &[Ve
.flatten()
.fold(0.0, |a: f32, x| a.max(*x));
darkness * if s1 && s2 {
(darkness, if s1 && s2 {
0.0
} else {
let corner = vol
@ -41,53 +41,58 @@ fn get_ao_quad<V: ReadVol>(vol: &V, pos: Vec3<i32>, shift: Vec3<i32>, dirs: &[Ve
.unwrap_or(false);
// Map both 1 and 2 neighbors to 0.5 occlusion.
if s1 || s2 || corner {
0.3
0.5
} else {
1.0
}
}
})
})
.collect::<Vec4<f32>>()
.collect::<Vec4<(f32, f32)>>()
}
// Utility function
fn create_quad<P: Pipeline, F: Fn(Vec3<f32>, Vec3<f32>, Rgb<f32>, f32) -> P::Vertex>(
fn create_quad<P: Pipeline, F: Fn(Vec3<f32>, Vec3<f32>, Rgb<f32>, f32, f32) -> P::Vertex>(
origin: Vec3<f32>,
unit_x: Vec3<f32>,
unit_y: Vec3<f32>,
norm: Vec3<f32>,
col: Rgb<f32>,
ao: Vec4<f32>,
darkness_ao: Vec4<(f32, f32)>,
vcons: &F,
) -> Quad<P> {
let ao_scale = 0.95;
let dark = col * (1.0 - ao_scale);
let darkness = darkness_ao.map(|e| e.0);
let ao = darkness_ao.map(|e| e.1);
let ao_map = ao;//ao.map(|e| 0.2 + e.powf(1.0) * 0.8);
if ao[0].min(ao[2]) < ao[1].min(ao[3]) {
Quad::new(
vcons(origin + unit_y, norm, col, ao_map[3]),
vcons(origin, norm, col, ao_map[0]),
vcons(origin + unit_x, norm, col, ao_map[1]),
vcons(origin + unit_y, norm, col, darkness[3], ao_map[3]),
vcons(origin, norm, col, darkness[0], ao_map[0]),
vcons(origin + unit_x, norm, col, darkness[1], ao_map[1]),
vcons(
origin + unit_x + unit_y,
norm,
col,
darkness[2],
ao_map[2],
),
)
} else {
Quad::new(
vcons(origin, norm, col, ao_map[0]),
vcons(origin + unit_x, norm, col, ao_map[1]),
vcons(origin, norm, col, darkness[0], ao_map[0]),
vcons(origin + unit_x, norm, col, darkness[1], ao_map[1]),
vcons(
origin + unit_x + unit_y,
norm,
col,
darkness[2],
ao_map[2],
),
vcons(origin + unit_y, norm, col, ao_map[3]),
vcons(origin + unit_y, norm, col, darkness[3], ao_map[3]),
)
}
}
@ -95,7 +100,7 @@ fn create_quad<P: Pipeline, F: Fn(Vec3<f32>, Vec3<f32>, Rgb<f32>, f32) -> P::Ver
pub fn push_vox_verts<
V: ReadVol,
P: Pipeline,
F: Fn(Vec3<f32>, Vec3<f32>, Rgb<f32>, f32) -> P::Vertex,
F: Fn(Vec3<f32>, Vec3<f32>, Rgb<f32>, f32, f32) -> P::Vertex,
>(
mesh: &mut Mesh<P>,
vol: &V,