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
|
local evloop = require "evloop"
local playfield = require "game.playfield"
local tetrominoes = require "game.tetrominoes"
local heav_optimal_shapes = require "game.heav_optimal_shapes"
local gfx = require "game.gfx"
local sfx = require "game.sfx"
local bag = require "game.bag"
local M = {}
M.__index = M
local pieces = {
tetrominoes.i,
tetrominoes.j,
tetrominoes.l,
tetrominoes.o,
tetrominoes.s,
tetrominoes.t,
tetrominoes.z,
}
function M.new(params)
local new = setmetatable({}, M)
new.params = params
new.field = playfield.new(params.lines or 20, params.columns or 10)
new.hold = false
new.can_hold = true
new.gfx = gfx.new(new)
new.gravity_delay = 0.5
new.lock_delay = params.lock_delay or 0.5
new.infinity = params.infinity or false
new.bag = bag.new(pieces, {seed = os.time(), randomly_add = {
[heav_optimal_shapes.heav] = {inverse_chance = 5000},
[heav_optimal_shapes.spite_shape] = {inverse_chance = 10000},
[heav_optimal_shapes.amongus] = {inverse_chance = 13500},
}})
return new
end
function M:input_loop()
local function loop()
-- TODO: interface with a remappable input system (it should generate
-- its own events)
local e, key = evloop.poll("keypressed", "keyreleased")
if not self.piece then
return loop()
end
local moved
if e == "keypressed" then
if key == "left" then
moved = self.piece:move(0, -1)
elseif key == "right" then
moved = self.piece:move(0, 1)
elseif key == "down" then
moved = self.piece:move(-1, 0)
elseif key == "up" then
moved = self.piece:rotate()
elseif key == "space" then
local dropped = false
while self.piece:move(-1, 0) do
dropped = true
end
self:place_piece()
if dropped then sfx.play("harddrop") end
elseif key == "c" then
if not self.can_hold then goto bypass end
if not self.hold then
self.hold = self.piece.poly
self:next_piece()
else
local tmp = self.hold
self.hold = self.piece.poly
self.piece = tmp:drop(self.field)
evloop.queue "game.lock_cancel"
end
self.can_hold = false
::bypass::
end
end
if moved and self.infinity then
evloop.queue "game.lock_cancel"
end
return loop()
end
return loop
end
function M:place_piece()
if not self.piece:can_move(-1, 0) then
self.piece:place()
evloop.queue "game.lock_cancel"
self:next_piece()
self.field:remove_cleared()
return true
else
return false
end
end
function M:next_piece()
self.can_hold = true
self.piece = self.bag:next_piece():drop(self.field)
return self.piece and true or false
end
function M:lock_loop()
local function loop()
evloop.poll "game.lock"
local e = evloop.poll(self.lock_delay, "game.lock_cancel")
if e then
return loop()
else
self:place_piece()
end
return loop()
end
return loop
end
function M:gravity_loop()
local function loop()
evloop.sleep(self.gravity_delay)
if self.piece and not self.piece:move(-1, 0) then
evloop.queue "game.lock"
end
if self.piece then
return loop()
end
end
return loop
end
function M:loop()
local function loop()
self:next_piece()
evloop.await_any(
self:input_loop(),
self:gravity_loop(),
self:lock_loop(),
self.gfx:loop()
)
end
return loop
end
return M
|
