vn-settings 0.4.0

Various settings intended to simulate visual novels
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

use super::{Resettable, Settings};

#[derive(Clone)]
pub struct LayerObjectSettings<I, L, A> {
    pub image: I,
    pub hor: L,
    pub ver: L,
    pub scale: L,
    pub anchor: A,
}

#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub enum LayerObjectLayoutParameter {
    Hor,
    Ver,
    Scale,
}

impl<I, L, A> Settings<LayerObjectLayoutParameter> for LayerObjectSettings<I, L, A> {
    type Value = L;

    fn get_mut(&mut self, parameter: &LayerObjectLayoutParameter) -> &mut L {
        use LayerObjectLayoutParameter::*;
        match parameter {
            Hor => &mut self.hor,
            Ver => &mut self.ver,
            Scale => &mut self.scale,
        }
    }
}

impl<I: Resettable, L: Resettable, A: Resettable> Resettable for LayerObjectSettings<I, L, A> {
    fn reset(&mut self) {
        self.image.reset();
        self.hor.reset();
        self.ver.reset();
        self.scale.reset();
        self.anchor.reset();
    }

    fn reset_aspects(&mut self) {
        self.image.reset_aspects();
        self.hor.reset_aspects();
        self.ver.reset_aspects();
        self.scale.reset_aspects();
        self.anchor.reset_aspects();
    }
}

#[derive(Clone)]
pub struct LayerSettings<I, L, A> {
    pub objects: Vec<LayerObjectSettings<I, L, A>>,
}

impl<I: Default, L: From<f32>, A: Default> LayerSettings<I, L, A> {
    pub fn common() -> Self {
        Self {
            objects: Vec::new(),
        }
    }

    fn at(&mut self, index: usize) -> &mut LayerObjectSettings<I, L, A> {
        if index >= self.objects.len() {
            self.objects.resize_with(index + 1, || LayerObjectSettings {
                image: Default::default(),
                hor: 0.0.into(),
                ver: 0.0.into(),
                scale: 1.0.into(),
                anchor: Default::default(),
            });
        }
        &mut self.objects[index]
    }
}

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct LayerImageParameter(pub usize);

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct LayerLayoutParameter {
    pub layer: usize,
    pub layout: LayerObjectLayoutParameter,
}

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct LayerAnchorParameter(pub usize);

impl<I: Default, L: From<f32>, A: Default> Settings<LayerImageParameter>
    for LayerSettings<I, L, A>
{
    type Value = I;

    fn get_mut(&mut self, &LayerImageParameter(index): &LayerImageParameter) -> &mut I {
        &mut self.at(index).image
    }
}

impl<I: Default, L: From<f32>, A: Default> Settings<LayerLayoutParameter>
    for LayerSettings<I, L, A>
{
    type Value = L;

    fn get_mut(&mut self, parameter: &LayerLayoutParameter) -> &mut L {
        self.at(parameter.layer).get_mut(&parameter.layout)
    }
}

impl<I: Default, L: From<f32>, A: Default> Settings<LayerAnchorParameter>
    for LayerSettings<I, L, A>
{
    type Value = A;

    fn get_mut(&mut self, &LayerAnchorParameter(index): &LayerAnchorParameter) -> &mut A {
        &mut self.at(index).anchor
    }
}

impl<I: Resettable, L: Resettable, A: Resettable> Resettable for LayerSettings<I, L, A> {
    fn reset(&mut self) {
        for object in &mut self.objects {
            object.reset();
        }
    }

    fn reset_aspects(&mut self) {
        for object in &mut self.objects {
            object.reset_aspects();
        }
    }
}