mirror of
https://github.com/kepler155c/opus
synced 2024-11-15 13:14:49 +00:00
66 lines
1.4 KiB
Lua
66 lines
1.4 KiB
Lua
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local class = require('class')
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local UI = require('ui')
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local colors = _G.colors
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local os = _G.os
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UI.Throttle = class(UI.Window)
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UI.Throttle.defaults = {
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UIElement = 'Throttle',
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backgroundColor = colors.gray,
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bordercolor = colors.cyan,
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height = 4,
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width = 10,
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timeout = .075,
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ctr = 0,
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image = {
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' //) (O )~@ &~&-( ?Q ',
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' //) (O )- @ \\-( ?) && ',
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' //) (O ), @ \\-(?) && ',
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' //) (O ). @ \\-d ) (@ '
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}
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}
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function UI.Throttle:setParent()
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self.x = math.ceil((self.parent.width - self.width) / 2)
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self.y = math.ceil((self.parent.height - self.height) / 2)
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UI.Window.setParent(self)
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end
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function UI.Throttle:enable()
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self.c = os.clock()
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self.enabled = false
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end
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function UI.Throttle:disable()
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if self.canvas then
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self.enabled = false
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self.canvas:removeLayer()
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self.canvas = nil
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self.ctr = 0
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end
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end
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function UI.Throttle:update()
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local cc = os.clock()
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if cc > self.c + self.timeout then
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os.sleep(0)
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self.c = os.clock()
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self.enabled = true
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if not self.canvas then
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self.canvas = self:addLayer(self.backgroundColor, self.borderColor)
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self.canvas:setVisible(true)
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self:clear(self.borderColor)
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end
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local image = self.image[self.ctr + 1]
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local width = self.width - 2
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for i = 0, #self.image do
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self:write(2, i + 1, image:sub(width * i + 1, width * i + width),
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self.backgroundColor, self.textColor)
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end
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self.ctr = (self.ctr + 1) % #self.image
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self:sync()
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end
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end
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