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
|
package tris
type Point struct {
X, Y int
}
type Piece [4]uint16
// A table that represents each piece from https://tetris.fandom.com/wiki/SRS
// in binary starting with 1 top left going per row, here in hexadecimal shorthand.
var (
IPiece = Piece{0x0F00, 0x4444, 0x00F0, 0x2222}
JPiece = Piece{0x1700, 0x6220, 0x0740, 0x2230}
LPiece = Piece{0x4700, 0x2260, 0x0710, 0x3220}
OPiece = Piece{0x6600, 0x6600, 0x6600, 0x6600}
SPiece = Piece{0x6300, 0x2640, 0x0630, 0x1320}
TPiece = Piece{0x2700, 0x2620, 0x0720, 0x2320}
ZPiece = Piece{0x3600, 0x4620, 0x0360, 0x2310}
)
type Rotation int
const (
Spawn Rotation = iota
Clockwise
Flip
CounterClockwise
)
type Placement struct {
piece Piece
X int
Y int
Rot Rotation
Lock int
}
type Bag []Piece
var LockDelay = 30
var ReferenceBag = Bag{IPiece, JPiece, LPiece, OPiece, SPiece, TPiece, ZPiece}
func (b Bag) Randomize() Bag { //TODO: implement randomizer
return b
}
func (b *Bag) Pick() Placement {
if len(*b) == 0 {
b = &ReferenceBag.Randomize()
}
piece := Placement{piece: Bag[0], X: 3, Y: -2, Lock: LockDelay}
*b = *b[1:]
}
type Field [20][10]bool
func (f Field) String() (output string) {
var toprow [10]bool
var top bool
for _, row := range f {
top = !top
for i, block := range row {
if top {
toprow[i] = block
continue
}
switch {
case toprow[i] && block:
output += "\u2588"
case toprow[i] && !block:
output += "\u2580"
case !toprow[i] && block:
output += "\u2584"
default:
output += " "
}
}
if !top {
output += "\n"
}
}
return output
}
|
