veloren_common/figure/
cell.rs

1use std::num::NonZeroU8;
2
3use crate::vol::FilledVox;
4use vek::*;
5
6const GLOWY: u8 = 1 << 1;
7const SHINY: u8 = 1 << 2;
8const HOLLOW: u8 = 1 << 3;
9
10#[derive(Copy, Clone, Debug, PartialEq, Eq)]
11pub struct CellData {
12    pub col: Rgb<u8>,
13    pub attr: NonZeroU8, // 1 = glowy, 2 = shiny, 3 = hollow
14}
15
16impl CellData {
17    pub(super) fn new(col: Rgb<u8>, glowy: bool, shiny: bool, hollow: bool) -> Self {
18        CellData {
19            col,
20            attr: NonZeroU8::new(
21                1 + glowy as u8 * GLOWY + shiny as u8 * SHINY + hollow as u8 * HOLLOW,
22            )
23            .unwrap(),
24        }
25    }
26
27    pub fn is_hollow(&self) -> bool { self.attr.get() & HOLLOW != 0 }
28}
29
30impl Default for CellData {
31    fn default() -> Self { Self::new(Rgb::broadcast(255), false, false, false) }
32}
33
34/// A type representing a single voxel in a figure.
35#[derive(Copy, Clone, Debug, PartialEq, Eq)]
36pub enum Cell {
37    Filled(CellData),
38    Empty,
39}
40
41impl Cell {
42    pub fn new(col: Rgb<u8>, glowy: bool, shiny: bool, hollow: bool) -> Self {
43        Cell::Filled(CellData::new(col, glowy, shiny, hollow))
44    }
45
46    pub fn get_color(&self) -> Option<Rgb<u8>> {
47        match self {
48            Cell::Filled(data) => Some(data.col),
49            Cell::Empty => None,
50        }
51    }
52
53    pub fn is_glowy(&self) -> bool {
54        match self {
55            Cell::Filled(data) => data.attr.get() & GLOWY != 0,
56            Cell::Empty => false,
57        }
58    }
59
60    pub fn is_shiny(&self) -> bool {
61        match self {
62            Cell::Filled(data) => data.attr.get() & SHINY != 0,
63            Cell::Empty => false,
64        }
65    }
66
67    pub fn is_hollow(&self) -> bool {
68        match self {
69            Cell::Filled(data) => data.is_hollow(),
70            Cell::Empty => false,
71        }
72    }
73}
74
75impl FilledVox for Cell {
76    fn default_non_filled() -> Self { Cell::Empty }
77
78    fn is_filled(&self) -> bool { matches!(self, Cell::Filled(_)) }
79}
80
81#[cfg(test)]
82mod test {
83    use super::*;
84
85    #[test]
86    fn cell_size() {
87        assert_eq!(4, std::mem::size_of::<Cell>());
88        assert_eq!(1, std::mem::align_of::<Cell>());
89    }
90}
veloren_common/figure/cell.rs

veloren_common/figure/
cell.rs
