87 lines
2.4 KiB
Plaintext
87 lines
2.4 KiB
Plaintext
-- @include libs/utils.txt
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-- @client
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require("/koptilnya/libs/utils.txt")
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EngineSound = class("EngineSound")
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accessorFunc(EngineSound, "_masterVolume", "MasterVolume", 1)
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accessorFunc(EngineSound, "_parent", "Parent", chip())
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local function fadeIn(rpm, range)
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local fadeIn = 1
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if range and range[1] ~= range[2] then
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fadeIn = math.min(math.max((rpm + (range[2] - range[1] * 2)) / (range[2] - range[1]), 1) - 1, 1)
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elseif range and range[1] == range[2] then
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fadeIn = rpm >= range[1] and 1 or 0
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end
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return fadeIn
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end
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local function fadeOut(rpm, range)
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local fadeOut = 1
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if range and range[1] ~= range[2] then
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fadeOut = math.min(math.max((rpm + (range[1] - range[2] * 2)) / (range[1] - range[2]), 1) - 1, 1)
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elseif range and range[1] == range[2] then
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fadeOut = rpm >= range[1] and 1 or 0
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end
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return fadeOut
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end
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function EngineSound:initialize(soundsMap)
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self.pitchDamping = 0.2
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self.volumeDamping = 0.3
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self._rpm = 0
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self._soundsMap = soundsMap
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for k, v in pairs(soundsMap) do
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bass.loadURL(v.link, "3d noblock", function(snd, err, errtxt)
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if snd then
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snd:setPos(self:getParent():getPos())
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snd:setLooping(true)
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snd:setVolume(0)
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v.source = snd
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v.lastPitch = 1
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v.lastVolume = 0
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elseif errtext then
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error(errtxt)
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end
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end)
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end
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hook.add("think", "EngineSound_think", function()
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for _, v in pairs(self._soundsMap) do
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if v.source then
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v.source:setPos(self:getParent():getPos())
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local fadeIn = fadeIn(self:getRPM(), v.fadeIn)
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local fadeOut = fadeOut(self:getRPM(), v.fadeOut)
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local targetVolume = self:getMasterVolume() * (fadeIn + fadeOut - 1)
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local targetPitch = self:getRPM() / v.rootPitch
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local pitch = math.lerp(self.pitchDamping, v.lastPitch, targetPitch)
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local volume = math.lerp(self.volumeDamping, v.lastVolume, targetVolume)
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v.source:setVolume(volume)
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v.source:setPitch(pitch)
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v.lastVolume = volume
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v.lastPitch = pitch
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end
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end
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end)
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end
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function EngineSound:setRPM(rpm)
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self._rpm = math.max(rpm, 0)
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end
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function EngineSound:getRPM()
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return self._rpm
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end
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