40 lines
799 B
Lua
40 lines
799 B
Lua
local MAX_MINUTES = 60 * 12
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local Time = {}
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Time.__index = Time
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local function newTimeRaw(rawMinutes)
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local t = {
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rawminutes = rawMinutes % MAX_MINUTES
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}
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return setmetatable(t, Time)
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end
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function Time:new(hour, minute)
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return newTimeRaw((hour or 12) % 12 * 60 + (minute or 0))
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end
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function Time:get()
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local h = math.floor(self.rawminutes / 60 % 12)
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if h == 0 then h = 12 end
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local m = self.rawminutes % 60
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return h, m
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end
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function Time:getHoursSinceTwelve()
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local h = self.rawminutes / 60
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if h < 1 then h = h + 12 end
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return h
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end
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function Time:addMinutes(minutes)
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return newTimeRaw(self.rawminutes + minutes)
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end
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function Time:__tostring()
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local h, m = self:get()
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return string.format("%2d:%02d", h, m)
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end
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return Time
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