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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
use crossterm::style::Color;
use serde::{Deserialize, Serialize};
use crate::{bag::Bag, tetlib::EMP};
#[derive(Clone, PartialEq, Debug, Copy, Default, Deserialize, Serialize, Hash)]
pub enum TColor {
Cyan,
Red,
Green,
Yellow,
Blue,
Magenta,
Orange,
#[default]
Empty,
}
#[derive(Clone, PartialEq, Debug, Copy, Default, Deserialize, Serialize, Hash)]
pub enum State {
Landed,
Active,
Ghost,
#[default]
Empty,
}
#[derive(Clone, PartialEq, Debug, Copy, Default, Deserialize, Serialize, Hash)]
pub struct Tetrominoe {
pub shape: [[char; 4]; 4],
pub row: usize,
pub col: usize,
pub ptype: char,
pub color: TColor,
pub game_state: State,
rotation_state: usize,
}
impl Tetrominoe {
pub fn new(state: Option<State>, color: Option<TColor>) -> Tetrominoe {
Tetrominoe {
shape: [[EMP; 4]; 4],
row: 0,
col: 0,
ptype: ' ',
color: color.unwrap_or(TColor::Empty),
game_state: state.unwrap_or(State::Empty),
rotation_state: 0,
}
}
pub fn set(&mut self, shape: char) -> &mut Self {
self.ptype = shape;
let shape = match shape {
'I' => {
self.color = TColor::Cyan;
[
[EMP, 'a', EMP, EMP],
[EMP, 'a', EMP, EMP],
[EMP, 'a', EMP, EMP],
[EMP, 'a', EMP, EMP],
]
}
'J' => {
self.color = TColor::Blue;
[
[EMP, 'a', EMP, EMP],
[EMP, 'a', EMP, EMP],
['a', 'a', EMP, EMP],
[EMP, EMP, EMP, EMP],
]
}
'L' => {
self.color = TColor::Orange;
[
[EMP, 'a', EMP, EMP],
[EMP, 'a', EMP, EMP],
[EMP, 'a', 'a', EMP],
[EMP, EMP, EMP, EMP],
]
}
'O' => {
self.color = TColor::Yellow;
[
[EMP, EMP, EMP, EMP],
[EMP, 'a', 'a', EMP],
[EMP, 'a', 'a', EMP],
[EMP, EMP, EMP, EMP],
]
}
'Z' => {
self.color = TColor::Red;
[
[EMP, EMP, EMP, EMP],
['a', 'a', EMP, EMP],
[EMP, 'a', 'a', EMP],
[EMP, EMP, EMP, EMP],
]
}
'T' => {
self.color = TColor::Magenta;
[
[EMP, EMP, EMP, EMP],
[EMP, 'a', EMP, EMP],
['a', 'a', 'a', EMP],
[EMP, EMP, EMP, EMP],
]
}
'S' => {
self.color = TColor::Green;
[
[EMP, EMP, EMP, EMP],
[EMP, 'a', 'a', EMP],
['a', 'a', EMP, EMP],
[EMP, EMP, EMP, EMP],
]
}
_ => panic!("Unknown shape: {}", shape),
};
self.shape = shape;
self.rotation_state = 0;
self
}
pub fn set_pos(&mut self, row: usize, col: usize) {
self.row = row;
self.col = col;
}
pub fn rotate(&mut self) {
match self.ptype {
'O' => (),
'I' | 'J' | 'L' => {
// transpose or swap rows and columns
let n = self.shape.len();
for i in 0..n {
for j in i..n {
let temp = self.shape[i][j];
self.shape[i][j] = self.shape[j][i];
self.shape[j][i] = temp;
}
}
// reverse each row to rotate
for i in 0..n {
self.shape[i].reverse();
}
}
'Z' => {
if self.rotation_state == 0 {
self.shape = [
[EMP, EMP, EMP, EMP],
[EMP, EMP, 'a', EMP],
[EMP, 'a', 'a', EMP],
[EMP, 'a', EMP, EMP],
];
self.rotation_state = 1;
} else {
self.shape = [
[EMP, EMP, EMP, EMP],
['a', 'a', EMP, EMP],
[EMP, 'a', 'a', EMP],
[EMP, EMP, EMP, EMP],
];
self.rotation_state = 0;
}
}
'S' => {
if self.rotation_state == 0 {
self.shape = [
[EMP, EMP, EMP, EMP],
[EMP, 'a', EMP, EMP],
[EMP, 'a', 'a', EMP],
[EMP, EMP, 'a', EMP],
];
self.rotation_state = 1;
} else {
self.shape = [
[EMP, EMP, EMP, EMP],
[EMP, 'a', 'a', EMP],
['a', 'a', EMP, EMP],
[EMP, EMP, EMP, EMP],
];
self.rotation_state = 0;
}
}
'T' => {
self.shape = match self.rotation_state {
0 => {
self.rotation_state += 1;
[
[EMP, 'a', EMP, EMP],
[EMP, 'a', 'a', EMP],
[EMP, 'a', EMP, EMP],
[EMP, EMP, EMP, EMP],
]
}
1 => {
self.rotation_state += 1;
[
[EMP, EMP, EMP, EMP],
['a', 'a', 'a', EMP],
[EMP, 'a', EMP, EMP],
[EMP, EMP, EMP, EMP],
]
}
2 => {
self.rotation_state += 1;
[
[EMP, 'a', EMP, EMP],
['a', 'a', EMP, EMP],
[EMP, 'a', EMP, EMP],
[EMP, EMP, EMP, EMP],
]
}
3 => {
self.rotation_state = 0;
[
[EMP, 'a', EMP, EMP],
['a', 'a', 'a', EMP],
[EMP, EMP, EMP, EMP],
[EMP, EMP, EMP, EMP],
]
}
_ => panic!("Unknown rotation state: {}", self.rotation_state),
}
}
_ => panic!("Unknown shape: {}", self.ptype),
}
}
pub fn from(ptype: char, state: Option<State>) -> Tetrominoe {
*Tetrominoe::new(state, None).set(ptype)
}
pub fn random(bag: &mut Bag) -> Tetrominoe {
let piece = bag.draw();
Tetrominoe::from(piece, None)
}
pub fn as_color(&self) -> Color {
match self.color {
TColor::Cyan => Color::Cyan,
TColor::Blue => Color::Blue,
TColor::Orange => Color::Rgb {
r: 255,
g: 127,
b: 0,
},
TColor::Yellow => Color::Yellow,
TColor::Red => Color::Red,
TColor::Magenta => Color::Magenta,
TColor::Green => Color::Green,
TColor::Empty => Color::Black,
}
}
}