oxihuman-export 0.1.2

Export pipeline for OxiHuman — glTF, COLLADA, STL, and streaming formats
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

// Copyright (C) 2026 COOLJAPAN OU (Team KitaSan)
// SPDX-License-Identifier: Apache-2.0
#![allow(dead_code)]

//! Constraint target export for bone/object constraints.

/// Constraint target data.
#[allow(dead_code)]
#[derive(Debug, Clone)]
pub struct ConstraintTargetExport {
    pub name: String,
    pub target_bone: String,
    pub influence: f32,
    pub offset: [f32; 3],
}

#[allow(dead_code)]
pub fn new_constraint_target(name: &str, target: &str) -> ConstraintTargetExport {
    ConstraintTargetExport {
        name: name.to_string(),
        target_bone: target.to_string(),
        influence: 1.0,
        offset: [0.0; 3],
    }
}

#[allow(dead_code)]
pub fn ct_set_influence(ct: &mut ConstraintTargetExport, v: f32) {
    ct.influence = v.clamp(0.0, 1.0);
}

#[allow(dead_code)]
pub fn ct_set_offset(ct: &mut ConstraintTargetExport, o: [f32; 3]) {
    ct.offset = o;
}

#[allow(dead_code)]
pub fn ct_influence(ct: &ConstraintTargetExport) -> f32 {
    ct.influence
}

#[allow(dead_code)]
pub fn ct_target_name(ct: &ConstraintTargetExport) -> &str {
    &ct.target_bone
}

#[allow(dead_code)]
pub fn ct_offset_magnitude(ct: &ConstraintTargetExport) -> f32 {
    (ct.offset[0] * ct.offset[0] + ct.offset[1] * ct.offset[1] + ct.offset[2] * ct.offset[2]).sqrt()
}

#[allow(dead_code)]
pub fn ct_validate(ct: &ConstraintTargetExport) -> bool {
    (0.0..=1.0).contains(&ct.influence) && !ct.target_bone.is_empty()
}

#[allow(dead_code)]
pub fn constraint_target_to_json(ct: &ConstraintTargetExport) -> String {
    format!(
        "{{\"name\":\"{}\",\"target\":\"{}\",\"influence\":{:.6}}}",
        ct.name, ct.target_bone, ct.influence
    )
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_new() {
        let ct = new_constraint_target("ik_hand", "hand_bone");
        assert_eq!(ct_target_name(&ct), "hand_bone");
    }

    #[test]
    fn test_default_influence() {
        let ct = new_constraint_target("a", "b");
        assert!((ct_influence(&ct) - 1.0).abs() < 1e-6);
    }

    #[test]
    fn test_set_influence() {
        let mut ct = new_constraint_target("a", "b");
        ct_set_influence(&mut ct, 0.5);
        assert!((ct_influence(&ct) - 0.5).abs() < 1e-6);
    }

    #[test]
    fn test_clamp_influence() {
        let mut ct = new_constraint_target("a", "b");
        ct_set_influence(&mut ct, 2.0);
        assert!((ct_influence(&ct) - 1.0).abs() < 1e-6);
    }

    #[test]
    fn test_set_offset() {
        let mut ct = new_constraint_target("a", "b");
        ct_set_offset(&mut ct, [1.0, 0.0, 0.0]);
        assert!((ct_offset_magnitude(&ct) - 1.0).abs() < 1e-6);
    }

    #[test]
    fn test_zero_offset() {
        let ct = new_constraint_target("a", "b");
        assert!((ct_offset_magnitude(&ct)).abs() < 1e-6);
    }

    #[test]
    fn test_validate_ok() {
        let ct = new_constraint_target("a", "b");
        assert!(ct_validate(&ct));
    }

    #[test]
    fn test_validate_empty_target() {
        let ct = new_constraint_target("a", "");
        assert!(!ct_validate(&ct));
    }

    #[test]
    fn test_to_json() {
        let ct = new_constraint_target("ik", "bone");
        assert!(constraint_target_to_json(&ct).contains("\"target\":\"bone\""));
    }

    #[test]
    fn test_clone() {
        let ct = new_constraint_target("a", "b");
        let ct2 = ct.clone();
        assert_eq!(ct2.name, "a");
    }
}