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chartloader.lua
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chartloader.lua
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local objectMeta = require("objects")
local charts = {}
local function chart_load(self)
if self.loaded then return end
local path = "charts/" .. self.directory .. "/"
for i, item in ipairs(love.filesystem.getDirectoryItems("charts/" .. self.directory)) do
print(item)
if item:sub(1, 5) == "audio" then
self.audio = love.sound.newSoundData(path .. item)
end
end
local file = love.filesystem.newFile(path .. "chart.ch", "r")
self.objects = {}
local timeAcc = 0
for line in file:lines() do
local values = {}
for match in string.gmatch(line, "[^%s]+") do
table.insert(values, match)
end
if not self.bpm then
self.bpm = tonumber(values[1])
self.offset = tonumber(values[2])
self.bt = 60 / self.bpm
elseif #values > 1 then
local object = objectMeta[values[2]].constructor(unpack(values))
local delay = values[1]
local slashPos = string.find(delay, "/")
if slashPos then
delay = tonumber(delay:sub(1, slashPos - 1)) / tonumber(delay:sub(slashPos + 1))
else
delay = tonumber(delay)
end
timeAcc = timeAcc + delay
object.time = timeAcc
object.delay = delay
object.type = values[2]
object.render = objectMeta[values[2]].render
object.update = objectMeta[values[2]].update
table.insert(self.objects, object)
end
end
self.duration = timeAcc * self.bt
self.loaded = true
end
local function loadChart(dir)
local chart = {}
chart.meta = require("charts." .. dir .. ".meta")
chart.directory = dir
chart.load = chart_load
chart.loaded = false
return chart
end
for i, dir in ipairs(love.filesystem.getDirectoryItems("charts")) do
charts[dir] = loadChart(dir)
end
return charts