spinal 0.0.1

A 2D animation engine for Spine.
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163

use super::{default_true, f32_one};
use crate::color::Color;
use bevy_utils::HashMap;
use serde::Deserialize;

#[derive(Debug, Deserialize)]
pub struct JsonAttachment(pub HashMap<String, SubAttachment>);

/// This is a hack because of the optional tag for `Region`.
///
/// See https://github.com/serde-rs/serde/issues/1799
#[derive(Debug, Deserialize)]
#[serde(untagged)]
pub enum SubAttachment {
    Tagged(TaggedSubAttachment),
    Region(Region),
}

#[derive(Debug, Deserialize)]
#[serde(tag = "type", rename_all = "lowercase")]
pub enum TaggedSubAttachment {
    Mesh(Mesh),
    LinkedMesh(LinkedMesh),
    BoundingBox(BoundingBox),
    Path(Path),
    Point(Point),
    Clipping(Clipping),
    Region(Region),
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Region {
    path: Option<String>,
    #[serde(default)]
    x: f32,
    #[serde(default)]
    y: f32,
    #[serde(default = "super::f32_one")]
    scale_x: f32,
    #[serde(default = "super::f32_one")]
    scale_y: f32,
    #[serde(default)]
    rotation: f32,
    width: f32,
    height: f32,
    #[serde(default = "super::white")]
    color: String,
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Mesh {
    uvs: Vec<u32>,
    triangles: Vec<u32>,
    vertices: Vec<f32>,
    hull: u32,
    edges: Option<Vec<u32>>,
    width: Option<f32>,
    height: Option<f32>,
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct LinkedMesh {
    path: Option<String>,
    skin: Option<String>,
    parent: Option<String>,
    #[serde(default = "super::default_true")]
    deform: bool,
    #[serde(default = "super::white")]
    color: String,
    width: Option<f32>,
    height: Option<f32>,
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct BoundingBox {
    vertex_count: u32,
    vertices: Vec<f32>,
    #[serde(default = "super::bounding_box_color")]
    color: String,
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Path {
    #[serde(default)]
    closed: bool,

    #[serde(default = "super::default_true")]
    constant_speed: bool,
    // TODO: Complete this...
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Point {
    #[serde(default)]
    pub x: f32,

    #[serde(default)]
    pub y: f32,
    // TODO: Complete this...
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Clipping {
    end: String,
    // TODO: Complete this...
}

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

    #[test]
    fn tagged() {
        let j = r#"
            {
                "type": "boundingbox",
                "vertexCount": 6,
                "vertices": [ -19.14, -70.3, 40.8, -118.08, 257.78, -115.62, 285.17, 57.18, 120.77, 164.95, -5.07, 76.95 ]
            }
        "#;

        let attachment = serde_json::from_str::<SubAttachment>(j).unwrap();
        dbg!(&attachment);
        if let SubAttachment::Tagged(TaggedSubAttachment::BoundingBox(r)) = attachment {
            assert_eq!(r.vertex_count, 6);
            assert_eq!(
                r.vertices,
                vec![
                    -19.14, -70.3, 40.8, -118.08, 257.78, -115.62, 285.17, 57.18, 120.77, 164.95,
                    -5.07, 76.95
                ]
            );
        } else {
            panic!("Expected BoundingBox {:?}", attachment);
        }
    }

    #[test]
    fn untagged() {
        let j = r#"
		    { "x": 58.29, "y": -2.75, "rotation": 92.37, "width": 75, "height": 178 }
        "#;

        let attachment = serde_json::from_str::<SubAttachment>(j).unwrap();
        dbg!(&attachment);
        if let SubAttachment::Region(r) = attachment {
            assert_eq!(r.x, 58.29);
            assert_eq!(r.y, -2.75);
            assert_eq!(r.rotation, 92.37);
            assert_eq!(r.width, 75.);
            assert_eq!(r.height, 178.);
        } else {
            panic!("Expected Region {:?}", attachment);
        }
    }
}