oxihuman_export/
ior_map_export.rs

1// Copyright (C) 2026 COOLJAPAN OU (Team KitaSan)
2// SPDX-License-Identifier: Apache-2.0
3#![allow(dead_code)]
4
5pub struct IorMap {
6    pub width: u32,
7    pub height: u32,
8    pub data: Vec<f32>,
9}
10
11pub fn new_ior_map(w: u32, h: u32, default_ior: f32) -> IorMap {
12    IorMap {
13        width: w,
14        height: h,
15        data: vec![default_ior; (w * h) as usize],
16    }
17}
18
19pub fn ior_set(m: &mut IorMap, x: u32, y: u32, v: f32) {
20    if x < m.width && y < m.height {
21        m.data[(y * m.width + x) as usize] = v;
22    }
23}
24
25pub fn ior_get(m: &IorMap, x: u32, y: u32) -> f32 {
26    if x < m.width && y < m.height {
27        m.data[(y * m.width + x) as usize]
28    } else {
29        1.0
30    }
31}
32
33pub fn ior_mean(m: &IorMap) -> f32 {
34    if m.data.is_empty() {
35        return 1.0;
36    }
37    m.data.iter().sum::<f32>() / m.data.len() as f32
38}
39
40pub fn ior_is_valid(ior: f32) -> bool {
41    (1.0..=3.0).contains(&ior)
42}
43
44pub fn ior_to_bytes(m: &IorMap) -> Vec<u8> {
45    let mut b = Vec::new();
46    b.extend_from_slice(&m.width.to_le_bytes());
47    b.extend_from_slice(&m.height.to_le_bytes());
48    for &v in &m.data {
49        b.extend_from_slice(&v.to_le_bytes());
50    }
51    b
52}
53
54#[cfg(test)]
55mod tests {
56    use super::*;
57
58    #[test]
59    fn test_new_ior_map() {
60        /* default ior set */
61        let m = new_ior_map(4, 4, 1.5);
62        assert!((m.data[0] - 1.5).abs() < 1e-6);
63    }
64
65    #[test]
66    fn test_ior_set_get() {
67        /* set and get roundtrip */
68        let mut m = new_ior_map(4, 4, 1.0);
69        ior_set(&mut m, 1, 1, 1.8);
70        assert!((ior_get(&m, 1, 1) - 1.8).abs() < 1e-5);
71    }
72
73    #[test]
74    fn test_ior_mean() {
75        /* mean of constant map */
76        let m = new_ior_map(3, 3, 1.5);
77        assert!((ior_mean(&m) - 1.5).abs() < 1e-5);
78    }
79
80    #[test]
81    fn test_ior_is_valid() {
82        /* valid range 1-3 */
83        assert!(ior_is_valid(1.5));
84        assert!(!ior_is_valid(0.5));
85        assert!(!ior_is_valid(3.5));
86    }
87
88    #[test]
89    fn test_ior_to_bytes() {
90        /* bytes non-empty */
91        let m = new_ior_map(2, 2, 1.5);
92        let b = ior_to_bytes(&m);
93        assert!(!b.is_empty());
94    }
95
96    #[test]
97    fn test_ior_get_oob() {
98        /* out-of-bounds returns 1.0 */
99        let m = new_ior_map(2, 2, 1.5);
100        assert!((ior_get(&m, 99, 99) - 1.0).abs() < 1e-6);
101    }
102}
oxihuman_export/ior_map_export.rs

oxihuman_export/
ior_map_export.rs
