[StepMania 5.0.9 Theme] DanceDanceRevolution X2 (with Announcer and NoteSkins)

local filterAlphas = {
PlayerNumber_P1 = 1,
PlayerNumber_P2 = 1,
Default = 0,
}

local song = GAMESTATE:GetCurrentSong()

local function FilterUpdate(self)
if song then
local start = song:GetFirstBeat()
local last = song:GetLastBeat()
if (GAMESTATE:GetSongBeat() >= last) then
self:visible(false)
elseif (GAMESTATE:GetSongBeat() >= start-8) then
self:visible(true)
else
self:visible(false)
end
end
end

return Def.ActorFrame{
InitCommand= function(self)
selfetUpdateFunction(FilterUpdate)
end,
Def.Quad{
InitCommand= function(self)
self:hibernate(math.huge)
end,
PlayerStateSetCommand= function(self, param)
local pn= param.PlayerNumber
local PlayerUID = PROFILEMAN:GetProfile(pn):GetGUID()
local style= GAMESTATE:GetCurrentStyle(pn)
local alf= .2
local width= style:GetWidth(pn) + 8
local filter_alpha= ReadOrCreateScreenFilterValueForPlayer(PlayerUID,filterAlphas[pn])
local filter_color= {0, 0, 0, filter_alpha}
-- 4096 is an arbitrarily picked height, it's just to make the filter taller than any possible notefield.
self:setsize(width, _screen.h*4096):diffuse(filter_color):hibernate(0)
-- The fourth channel of the color is the alpha, if the alpha is really
-- close to zero, hibernate the actor so it doesn't render or update at
-- all.
if filter_color[4] < .001 then self:hibernate(math.huge) end
end,
}
}