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
|
-- `Selector` (Element)
-- Used in Menu for selecting various things from list. Works for each Controller set or globally.
--[[
How to use `Selector` in `Menu` config file?
selector:new(menu)
:setPosition(x, y)
:set("list", require "file_with_list")
:set("global", true/false) -- true: single selector; false: selector for each controller set present
:init()
]]
Selector = {
parent,
x = 0,
y = 0,
focused = false,
global = false,
list,
sets,
locks,
selections
}
-- Constructor
function Selector:new(parent)
local o = {}
setmetatable(o, self)
self.__index = self
o.parent = parent
return o
end
-- Position
function Selector:getPosition()
return self.x, self.y
end
function Selector:setPosition(x,y)
self.x, self.y = x, y
return self
end
-- General setter for Menu configuration files
function Selector:set(name, func)
if type(name) == "string" and func ~= nil then
self[name] = func
end
return self
end
-- Initialize Selector with current settings.
function Selector:init()
-- Make sure that there is list present
if self.list == nil then
self.list = {}
end
-- Initialize global Selector
if self.global then
self.locks = {false}
self.selections = {1}
-- Initialize Selector for Controllers
else
self.sets = Controller.getSets()
self.locks = {}
self.selections = {}
for n=1,#self.sets do
self.locks[n] = false
self.selections[n] = 1
end
end
return self
end
-- Cycle through list on given number
function Selector:next(n)
local total = #self.list
local current = self.selections[n]
local locked = self:isLocked(n)
if not locked then
self.selections[n] = (current % total) + 1
end
end
function Selector:previous(n)
local total = #self.list
local current = self.selections[n]
local locked = self:isLocked(n)
if not locked then
if current == 1 then
self.selections[n] = total
else
self.selections[n] = current - 1
end
end
end
-- Get number associated with a given set
function Selector:checkNumber(set)
if self.global then return 1 end -- For global Selector
for n,check in pairs(self.sets) do
if check == set then return n end
end
end
-- Check if given number is locked
function Selector:isLocked(n)
return self.locks[n]
end
-- Get value of selection of given number
function Selector:getSelection(n)
return self.selections[n]
end
-- Get value from list by selection
function Selector:getListValue(i)
return self.list[i]
end
-- Menu callbacks
function Selector:focus() -- Called when Element gains focus
self.focused = true
return true
end
function Selector:blur() -- Called when Element loses focus
self.focused = false
end
-- LÖVE2D callbacks
function Selector:draw(scale)
local x,y = self:getPosition()
local text = self:getListValue(self:getSelection(1))
love.graphics.setFont(Font)
love.graphics.setColor(255, 255, 255, 255)
love.graphics.printf(text, (x)*scale, (y)*scale, 54, "center", 0, scale, scale)
end
function Selector:update(dt) end
-- Controller callbacks
function Selector:controlpressed(set, action, key)
self:next(1)
end
function Selector:controlreleased(set, action, key) end
return Selector
|
