Mercurial > games > semicongine

comparison semiconginev2/input.nim @ 1227:4d97cfc4888b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merge
author sam <sam@basx.dev>
date Wed, 17 Jul 2024 23:45:43 +0700
parents 56781cc0fc7c
children b0f4c8ccd49a
comparison
equal deleted inserted replaced
1170:2addc5f6804f 1227:4d97cfc4888b
1 type
2 Input = object
3 keyIsDown: set[Key]
4 keyWasPressed: set[Key]
5 keyWasReleased: set[Key]
6 mouseIsDown: set[MouseButton]
7 mouseWasPressed: set[MouseButton]
8 mouseWasReleased: set[MouseButton]
9 mousePosition: Vec2f
10 mouseMove: Vec2f
11 mouseWheel: float32
12 windowWasResized: bool = true
13 windowIsMinimized: bool = false
14
15 # warning, shit is not thread safe
16 var input: Input
17
18 proc UpdateInputs*(): bool =
19 # reset input states
20 input.keyWasPressed = {}
21 input.keyWasReleased = {}
22 input.mouseWasPressed = {}
23 input.mouseWasReleased = {}
24 input.mouseWheel = 0
25 input.mouseMove = NewVec2f()
26 input.windowWasResized = false
27
28 var killed = false
29 for event in vulkan.window.PendingEvents():
30 case event.eventType:
31 of Quit:
32 killed = true
33 of ResizedWindow:
34 input.windowWasResized = true
35 of KeyPressed:
36 input.keyWasPressed.incl event.key
37 input.keyIsDown.incl event.key
38 of KeyReleased:
39 input.keyWasReleased.incl event.key
40 input.keyIsDown.excl event.key
41 of MousePressed:
42 input.mouseWasPressed.incl event.button
43 input.mouseIsDown.incl event.button
44 of MouseReleased:
45 input.mouseWasReleased.incl event.button
46 input.mouseIsDown.excl event.button
47 of MouseMoved:
48 let newPos = NewVec2(float32(event.x), float32(event.y))
49 input.mouseMove = newPos - input.mousePosition
50 input.mousePosition = newPos
51 of MouseWheel:
52 input.mouseWheel = event.amount
53 of MinimizedWindow:
54 input.windowIsMinimized = true
55 of RestoredWindow:
56 input.windowIsMinimized = false
57
58 return not killed
59
60 proc KeyIsDown*(key: Key): bool = key in input.keyIsDown
61 proc KeyWasPressed*(key: Key): bool = key in input.keyWasPressed
62 proc KeyWasPressed*(): bool = input.keyWasPressed.len > 0
63 proc KeyWasReleased*(key: Key): bool = key in input.keyWasReleased
64 proc MouseIsDown*(button: MouseButton): bool = button in input.mouseIsDown
65 proc MouseWasPressed*(): bool = input.mouseWasPressed.len > 0
66 proc MouseWasPressed*(button: MouseButton): bool = button in input.mouseWasPressed
67 proc MousePressedButtons*(): set[MouseButton] = input.mouseWasPressed
68 proc MouseWasReleased*(): bool = input.mouseWasReleased.len > 0
69 proc MouseWasReleased*(button: MouseButton): bool = button in input.mouseWasReleased
70 proc MouseReleasedButtons*(): set[MouseButton] = input.mouseWasReleased
71 proc MousePosition*(): Vec2f = input.mousePosition
72 proc MousePositionNormalized*(size: (int, int)): Vec2f =
73 result.x = (input.mousePosition.x / float32(size[0])) * 2.0 - 1.0
74 result.y = (input.mousePosition.y / float32(size[1])) * 2.0 - 1.0
75 proc MouseMove*(): auto = input.mouseMove
76 proc MouseWheel*(): auto = input.mouseWheel
77 proc WindowWasResized*(): auto = input.windowWasResized
78 proc WindowIsMinimized*(): auto = input.windowIsMinimized
79
80 # actions as a slight abstraction over raw input
81
82 type
83 ActionMap = object
84 keyActions: Table[string, set[Key]]
85 mouseActions: Table[string, set[MouseButton]]
86
87 # warning, shit is not thread safe
88 var actionMap: ActionMap
89
90 proc MapAction*[T: enum](action: T, key: Key) =
91 if not actionMap.keyActions.contains($action):
92 actionMap.keyActions[$action] = {}
93 actionMap.keyActions[$action].incl key
94
95 proc MapAction*[T: enum](action: T, button: MouseButton) =
96 if not actionMap.mouseActions.contains($action):
97 actionMap.mouseActions[$action] = {}
98 actionMap.mouseActions[$action].incl button
99
100 proc MapAction*[T: enum](action: T, keys: openArray[Key|MouseButton]) =
101 for key in keys:
102 MapAction(action, key)
103
104 proc UnmapAction*[T: enum](action: T, key: Key) =
105 if actionMap.keyActions.contains($action):
106 actionMap.keyActions[$action].excl(key)
107
108 proc UnmapAction*[T: enum](action: T, button: MouseButton) =
109 if actionMap.mouseActions.contains($action):
110 actionMap.mouseActions[$action].excl(button)
111
112 proc UnmapAction*[T: enum](action: T) =
113 if actionMap.keyActions.contains($action):
114 actionMap.keyActions[$action] = {}
115 if actionMap.mouseActions.contains($action):
116 actionMap.mouseActions[$action] = {}
117
118 proc SaveCurrentActionMapping*() =
119 for name, keys in actionMap.keyActions.pairs:
120 SystemStorage.Store(name, keys, table = "input_mapping_key")
121 for name, buttons in actionMap.mouseActions.pairs:
122 SystemStorage.Store(name, buttons, table = "input_mapping_mouse")
123
124 proc LoadActionMapping*[T]() =
125 reset(actionMap)
126 for name in SystemStorage.List(table = "input_mapping_key"):
127 let action = parseEnum[T](name)
128 let keys = SystemStorage.Load(name, set[Key](), table = "input_mapping_key")
129 for key in keys:
130 MapAction(action, key)
131
132 proc ActionDown*[T](action: T): bool =
133 if actionMap.keyActions.contains($action):
134 for key in actionMap.keyActions[$action]:
135 if key in input.keyIsDown:
136 return true
137 return false
138 if actionMap.mouseActions.contains($action):
139 for button in actionMap.mouseActions[$action]:
140 if button in input.mouseIsDown:
141 return true
142 return false
143
144 proc ActionPressed*[T](action: T): bool =
145 if actionMap.keyActions.contains($action):
146 for key in actionMap.keyActions[$action]:
147 if key in input.keyWasPressed:
148 return true
149 elif actionMap.mouseActions.contains($action):
150 for button in actionMap.mouseActions[$action]:
151 if button in input.mouseWasPressed:
152 return true
153
154 proc ActionReleased*[T](action: T): bool =
155 if actionMap.keyActions.contains($action):
156 for key in actionMap.keyActions[$action]:
157 if key in input.keyWasReleased:
158 return true
159 elif actionMap.mouseActions.contains($action):
160 for button in actionMap.mouseActions[$action]:
161 if button in input.mouseWasReleased:
162 return true
163
164 proc ActionValue*[T](action: T): float32 =
165 if actionMap.keyActions.contains($action):
166 for key in actionMap.keyActions[$action]:
167 if key in input.keyIsDown:
168 return 1
169 elif actionMap.mouseActions.contains($action):
170 for button in actionMap.mouseActions[$action]:
171 if button in input.mouseIsDown:
172 return 1