rg3d 0.21.0

3D Game engine
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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188

use crate::scene::base::PhysicsBinding;
use crate::{
    core::{
        algebra::{Matrix4, Vector2},
        pool::Handle,
        visitor::prelude::*,
    },
    scene2d::{graph::Graph, node::Node, transform::Transform},
};
use std::cell::Cell;

#[derive(Visit)]
pub struct Base {
    transform: Transform,
    pub(in crate) global_transform: Cell<Matrix4<f32>>,
    pub(in crate) visibility: bool,
    pub(in crate) global_visibility: Cell<bool>,
    pub(in crate) parent: Handle<Node>,
    pub(in crate) children: Vec<Handle<Node>>,
    pub(in crate) physics_binding: PhysicsBinding,
    name: String,
}

impl Default for Base {
    fn default() -> Self {
        Self {
            transform: Default::default(),
            global_transform: Cell::new(Matrix4::identity()),
            visibility: true,
            global_visibility: Cell::new(true),
            parent: Default::default(),
            children: Default::default(),
            physics_binding: Default::default(),
            name: Default::default(),
        }
    }
}

impl Base {
    pub fn set_name<S: AsRef<str>>(&mut self, name: S) {
        self.name = name.as_ref().to_owned();
    }

    pub fn name(&self) -> &str {
        &self.name
    }

    pub fn parent(&self) -> Handle<Node> {
        self.parent
    }

    pub fn global_visibility(&self) -> bool {
        self.global_visibility.get()
    }

    pub fn visibility(&self) -> bool {
        self.visibility
    }

    pub fn global_position(&self) -> Vector2<f32> {
        let m = self.global_transform.get();
        Vector2::new(m[12], m[13])
    }

    pub fn up(&self) -> Vector2<f32> {
        let m = self.global_transform.get();
        Vector2::new(m[4], m[5])
    }

    pub fn right(&self) -> Vector2<f32> {
        let m = self.global_transform.get();
        Vector2::new(m[0], m[1])
    }

    pub fn children(&self) -> &[Handle<Node>] {
        &self.children
    }

    pub fn local_transform(&self) -> &Transform {
        &self.transform
    }

    pub fn local_transform_mut(&mut self) -> &mut Transform {
        &mut self.transform
    }

    pub fn global_transform(&self) -> Matrix4<f32> {
        self.global_transform.get()
    }

    pub fn set_physics_binding(&mut self, binding: PhysicsBinding) {
        self.physics_binding = binding;
    }

    pub fn physics_binding(&self) -> PhysicsBinding {
        self.physics_binding
    }

    pub fn raw_copy(&self) -> Self {
        Self {
            transform: self.transform.clone(),
            global_transform: self.global_transform.clone(),
            visibility: self.visibility,
            global_visibility: self.global_visibility.clone(),
            physics_binding: self.physics_binding,
            name: self.name.clone(),
            // Handles to parent/children are intentionally not copied!
            parent: Default::default(),
            children: Default::default(),
        }
    }
}

pub struct BaseBuilder {
    transform: Transform,
    children: Vec<Handle<Node>>,
    name: String,
    visibility: bool,
    physics_binding: PhysicsBinding,
}

impl Default for BaseBuilder {
    fn default() -> Self {
        Self::new()
    }
}

impl BaseBuilder {
    pub fn new() -> Self {
        Self {
            transform: Default::default(),
            children: Default::default(),
            name: "Base".to_string(),
            visibility: true,
            physics_binding: Default::default(),
        }
    }

    pub fn with_local_transform(mut self, transform: Transform) -> Self {
        self.transform = transform;
        self
    }

    /// Sets desired list of children nodes.
    pub fn with_children<'a, I: IntoIterator<Item = &'a Handle<Node>>>(
        mut self,
        children: I,
    ) -> Self {
        for &child in children.into_iter() {
            if child.is_some() {
                self.children.push(child)
            }
        }
        self
    }

    pub fn with_name<N: AsRef<str>>(mut self, name: N) -> Self {
        self.name = name.as_ref().to_owned();
        self
    }

    pub fn with_visibility(mut self, visibility: bool) -> Self {
        self.visibility = visibility;
        self
    }

    pub fn with_physics_binding(mut self, binding: PhysicsBinding) -> Self {
        self.physics_binding = binding;
        self
    }

    pub fn build_base(self) -> Base {
        Base {
            transform: self.transform,
            global_transform: Cell::new(Matrix4::identity()),
            visibility: self.visibility,
            global_visibility: Cell::new(false),
            parent: Default::default(),
            children: self.children,
            name: self.name,
            physics_binding: self.physics_binding,
        }
    }

    pub fn build(self, graph: &mut Graph) -> Handle<Node> {
        graph.add_node(Node::Base(self.build_base()))
    }
}