e2r 0.10.0

experimental rendering engine in rust
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

extern crate pretty_env_logger;
extern crate mazth;

use std::collections::HashMap;
use std::vec::Vec;
use std::any::Any;

use interface::i_ads;
use interface::i_renderobj;
use interface::i_ele;
use interface::i_component;

use self::mazth::mat::{ Mat4, Mat3x1 };

#[derive(Clone)]
pub struct LightAdsPoint {
    pub _id: u64,
    pub _pos: Mat3x1< f32 >,

    /// # ads values
    pub _ads_val_spec: Mat3x1< f32 >,
    pub _ads_val_diff: Mat3x1< f32 >,
    pub _ads_val_amb: Mat3x1< f32 >,
}

impl i_ele::IObjImpl for LightAdsPoint {
    fn as_any( & self ) -> & Any {
        self
    }
    fn update_components( & mut self, components: & mut Vec< Box< i_component::IComponent > > ) -> Result< (), & 'static str > {

        //store uniform data
        {
            //todo: move material properties to its own component 
            let data_map : HashMap< String, Vec<f32> > =  [ ( String::from("Light.Position\0"), &self._pos._val[..] ),
                                                            ( String::from("Light.La\0"), &self._ads_val_amb._val[..] ),
                                                            ( String::from("Light.Ld\0"), &self._ads_val_diff._val[..] ),
                                                            ( String::from("Light.Ls\0"), &self._ads_val_spec._val[..] ),
                                                            ( String::from("Material.Ka\0"), &[ 0.2f32, 0.2f32, 0.2f32 ] ),
                                                            ( String::from("Material.Kd\0"), &[ 0.1f32, 0.1f32, 0.9f32 ] ),
                                                            ( String::from("Material.Ks\0"), &[ 0.9f32, 0.1f32, 0.1f32 ] ),
                                                            ( String::from("Material.Shininess\0"), &[ 3f32 ] ),
            ].into_iter().map(|&( ref k, ref v)| ( k.clone(), v[..].to_vec() ) ).collect();

            let uniform_group_id = 0;
            let data_group : HashMap< u64, Vec<String> > = [ ( uniform_group_id, [ String::from("Material.Ka\0"), String::from("Material.Kd\0"),
                                                                                   String::from("Material.Ks\0"), String::from("Material.Shininess\0"),
                                                                                   String::from("Light.Position\0"), String::from("Light.La\0"),
                                                                                   String::from("Light.Ld\0"), String::from("Light.Ls\0") ] ),
            ].into_iter().map(|&( ref k, ref v)| ( k.clone(), v[..].to_vec() ) ).collect();
            
            let c = i_component::ComponentRenderUniform {
                _data_dict_vf: data_map,
                _data_uniform_group: data_group,
                ..Default::default()
            };
            components.push( Box::new(c) );
            trace!( "load into render buffer: uniform: light" );
        }
        Ok( () )
    }
}

impl i_ads::AdsVal for LightAdsPoint {
    fn get_ads_val_spec( & self ) -> Mat3x1< f32 > {
        self._ads_val_spec
    }
    fn get_ads_val_diff( & self ) -> Mat3x1< f32 > {
        self._ads_val_spec
    }
    fn get_ads_val_amb( & self ) -> Mat3x1< f32 > {
        self._ads_val_amb
    }
}

impl i_renderobj::ObjPos for LightAdsPoint {
    fn get_pos( & self ) -> Mat3x1< f32 > {
        self._pos
    }
}

pub struct LightAdsSpot {
    pub _id: u64,
    pub _pos: Mat3x1< f32 >,

    /// # ads values
    pub _ads_val_spec: Mat3x1< f32 >,
    pub _ads_val_diff: Mat3x1< f32 >,
    pub _ads_val_amb: Mat3x1< f32 >,

    pub _fov: f32,
    pub _focus: Mat4< f32 >,

    /// # computed view from _pos, _focus
    pub _light_view_xform: Mat4< f32 >,
}

impl i_ads::AdsVal for LightAdsSpot {
    fn get_ads_val_spec( & self ) -> Mat3x1< f32 > {
        self._ads_val_spec
    }
    fn get_ads_val_diff( & self ) -> Mat3x1< f32 > {
        self._ads_val_spec
    }
    fn get_ads_val_amb( & self ) -> Mat3x1< f32 > {
        self._ads_val_amb
    }
}

impl i_renderobj::ObjPos for LightAdsSpot {
    fn get_pos( & self ) -> Mat3x1< f32 > {
        self._pos
    }
}

pub struct LightAdsDir {
    pub _id: u64,
    pub _pos: Mat3x1< f32 >,

    /// # ads values
    pub _ads_val_spec: Mat3x1< f32 >,
    pub _ads_val_diff: Mat3x1< f32 >,
    pub _ads_val_amb: Mat3x1< f32 >,

    pub _dir: Mat3x1< f32 >,
    pub _light_view_xform: Mat4< f32 >,
}

impl i_ads::AdsVal for LightAdsDir {
    fn get_ads_val_spec( & self ) -> Mat3x1< f32 > {
        self._ads_val_spec
    }
    fn get_ads_val_diff( & self ) -> Mat3x1< f32 > {
        self._ads_val_spec
    }
    fn get_ads_val_amb( & self ) -> Mat3x1< f32 > {
        self._ads_val_amb
    }
}