mirror of
https://github.com/Insality/druid
synced 2025-06-27 10:27:48 +02:00
85 lines
2.0 KiB
Lua
85 lines
2.0 KiB
Lua
local data = require("druid.data")
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local formats = require("druid.helper.formats")
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local helper = require("druid.helper.helper")
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local M = {}
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M.interest = {
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data.LAYOUT_CHANGED,
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data.ON_UPDATE
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}
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local empty = function() end
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function M.init(instance, node, seconds_from, seconds_to, callback)
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instance.node = helper.get_node(node)
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seconds_from = math.max(seconds_from, 0)
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seconds_to = math.max(seconds_to or 0, 0)
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callback = callback or empty
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instance:set_to(seconds_from)
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instance:set_interval(seconds_from, seconds_to)
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instance.callback = callback
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if seconds_to - seconds_from == 0 then
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instance:set_state(false)
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instance.callback(instance.parent.parent, instance)
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end
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return instance
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end
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--- Set text to text field
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-- @param set_to - set value in seconds
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function M.set_to(instance, set_to)
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instance.last_value = set_to
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gui.set_text(instance.node, formats.second_string_min(set_to))
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end
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--- Called when layout updated (rotate for example)
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function M.on_layout_updated(instance)
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M.set_to(instance, instance.last_value)
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end
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--- Called when update
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-- @param is_on - boolean is timer on
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function M.set_state(instance, is_on)
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instance.is_on = is_on
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end
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--- Set time interval
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-- @param from - "from" time in seconds
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-- @param to - "to" time in seconds
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function M.set_interval(instance, from, to)
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instance.from = from
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instance.value = from
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instance.temp = 0
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instance.target = to
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M.set_state(instance, true)
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M.set_to(instance, from)
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end
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--- Called when update
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-- @param dt - delta time
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function M.update(instance, dt)
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if instance.is_on then
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instance.temp = instance.temp + dt
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local dist = math.min(1, math.abs(instance.value - instance.target))
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if instance.temp > dist then
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instance.temp = instance.temp - dist
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instance.value = helper.step(instance.value, instance.target, 1)
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M.set_to(instance, instance.value)
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if instance.value == instance.target then
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instance:set_state(false)
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instance.callback(instance.parent.parent, instance)
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end
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end
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end
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end
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return M |