rgrow 0.22.0

A modular Tile Assembly Model simulator, inspired by Xgrow.
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

use crate::base::{GrowError, GrowResult, NumTiles, Point, Tile};
use crate::canvas::{Canvas, CanvasCreate, PointSafe2};
use ndarray::{Array1, Array2, ArrayView2, ArrayViewMut2};
use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CanvasTube(Array2<Tile>);

impl CanvasTube {
    pub fn half_width(&self) -> usize {
        self.0.nrows() / 2
    }
}

impl CanvasCreate for CanvasTube {
    type Params = (usize, usize);

    fn new_sized(shape: Self::Params) -> GrowResult<Self> {
        let width = shape.0;
        if !width.is_multiple_of(2) {
            Err(GrowError::WrongCanvasSize(width, shape.1))
        } else {
            Ok(Self(Array2::zeros(shape)))
        }
    }

    fn from_array(arr: Array2<Tile>) -> GrowResult<Self> {
        if !arr.shape()[0].is_multiple_of(2) {
            Err(GrowError::WrongCanvasSize(arr.shape()[0], arr.shape()[1]))
        } else {
            Ok(Self(arr))
        }
    }
}

impl Canvas for CanvasTube {
    unsafe fn uv_pr(&self, p: Point) -> &Tile {
        self.0.uget(p)
    }

    unsafe fn uvm_p(&mut self, p: Point) -> &mut Tile {
        self.0.uget_mut(p)
    }

    fn u_move_point_n(&self, p: Point) -> Point {
        if p.0.is_multiple_of(2) {
            (
                (p.0 as i64 - 1).rem_euclid(self.nrows() as i64) as usize,
                p.1 - 1,
            )
        } else {
            (
                (p.0 as i64 - 1).rem_euclid(self.nrows() as i64) as usize,
                p.1,
            )
        }
    }

    fn u_move_point_e(&self, p: Point) -> Point {
        if p.0.is_multiple_of(2) {
            (
                (p.0 as i64 - 1).rem_euclid(self.nrows() as i64) as usize,
                p.1,
            )
        } else {
            (
                (p.0 as i64 - 1).rem_euclid(self.nrows() as i64) as usize,
                p.1 + 1,
            )
        }
    }

    fn u_move_point_s(&self, p: Point) -> Point {
        if p.0.is_multiple_of(2) {
            ((p.0 + 1).rem_euclid(self.nrows()), p.1)
        } else {
            ((p.0 + 1).rem_euclid(self.nrows()), p.1 + 1)
        }
    }

    fn u_move_point_w(&self, p: Point) -> Point {
        if p.0.is_multiple_of(2) {
            ((p.0 + 1).rem_euclid(self.nrows()), p.1 - 1)
        } else {
            ((p.0 + 1).rem_euclid(self.nrows()), p.1)
        }
    }

    fn inbounds(&self, p: Point) -> bool {
        let (is, js) = self.0.dim();
        (p.0 < is) & (p.1 < js - 1) & (p.1 >= 1)
    }

    fn calc_n_tiles(&self) -> NumTiles {
        self.0.fold(0, |x, y| x + u32::from(*y != 0))
    }

    fn calc_n_tiles_with_tilearray(&self, should_be_counted: &Array1<bool>) -> NumTiles {
        self.0
            .fold(0, |x, y| x + u32::from(should_be_counted[*y as usize]))
    }

    fn raw_array(&self) -> ArrayView2<'_, Tile> {
        self.0.view()
    }

    fn raw_array_mut(&mut self) -> ArrayViewMut2<'_, Tile> {
        self.0.view_mut()
    }

    fn nrows(&self) -> usize {
        self.0.nrows()
    }

    fn ncols(&self) -> usize {
        self.0.ncols()
    }

    fn draw_size(&self) -> (u32, u32) {
        let s = (self.nrows() + self.ncols()) as u32;
        (s, s)
    }

    fn draw(&self, _frame: &mut [u8], _colors: &[[u8; 4]]) {
        // let s = self.nrows() + self.ncols();
        // let mut pi: usize;
        // let mut pj: usize;
        // let mut pos: usize;

        // for ((i, j), t) in self.0.indexed_iter() {
        //     pj = j;
        //     pi = i + j;
        //     pos = 4 * (pi * s + pj);
        //     frame[pos..pos + 4].copy_from_slice(&colors[*t as usize])
        // }
        todo!()
    }

    fn center(&self) -> PointSafe2 {
        PointSafe2((self.nrows() / 2, self.ncols() / 2))
    }

    fn nrows_usable(&self) -> usize {
        self.0.nrows()
    }

    fn ncols_usable(&self) -> usize {
        self.0.ncols() - 2
    }
}