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lua/mkeyboard/client/settings.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+MKeyboard.settings = MKeyboard.settings or {
+    layout = 1,
+    instrument = 1,
+    sheet = 0,
+    velocity = 127,
+    transpose = 0,
+    midiTranspose = 0,
+    drawKeyLabels = true,
+    channelInstruments = {}
+}
+
+local function ValidateInteger( n, min, max )
+    return math.Round( math.Clamp( tonumber( n ), min, max ) )
+end
+
+function MKeyboard:LoadSettings()
+    local rawData = file.Read( self.SETTINGS_FILE, "DATA" )
+    if not rawData then return end
+
+    local data = util.JSONToTable( rawData ) or {}
+    local instrumentCount = #self.instruments
+    local settings = self.settings
+
+    -- last layout that was used on the keyboard
+    if data.layout then
+        settings.layout = ValidateInteger( data.layout, 1, #self.layouts )
+    end
+
+    -- last instrument that was used on the keyboard
+    if data.instrument then
+        settings.instrument = ValidateInteger( data.instrument, 1, instrumentCount )
+    end
+
+    -- last selected sheet
+    if data.sheet then
+        settings.sheet = ValidateInteger( data.sheet, 0, #self.sheets )
+    end
+
+    -- last used velocity
+    if data.velocity then
+        settings.velocity = ValidateInteger( data.velocity, 1, 127 )
+    end
+
+    -- last used transpose
+    if data.transpose then
+        settings.transpose = ValidateInteger( data.transpose, -48, 48 )
+    end
+
+    -- last transpose that was used with midi
+    if data.midiTranspose then
+        settings.midiTranspose = ValidateInteger( data.midiTranspose, -48, 48 )
+    end
+
+    -- draw labels for keys
+    settings.drawKeyLabels = Either( isbool( data.drawKeyLabels ), tobool( data.drawKeyLabels ), true )
+
+    -- links between instruments and MIDI channels
+    if data.channelInstruments and type( data.channelInstruments ) == "table" then
+        for c, i in pairs( data.channelInstruments ) do
+            local channel = ValidateInteger( c, 0, 15 )
+            local instrument = ValidateInteger( i, 1, instrumentCount )
+
+            settings.channelInstruments[channel] = instrument
+        end
+    end
+end
+
+function MKeyboard:SaveSettings()
+    local settings = self.settings
+
+    file.Write(
+        self.SETTINGS_FILE,
+        util.TableToJSON( {
+            layout              = settings.layout,
+            instrument          = settings.instrument,
+            sheet               = settings.sheet,
+            velocity            = settings.velocity,
+            transpose           = settings.transpose,
+            midiTranspose       = settings.midiTranspose,
+            channelInstruments  = settings.channelInstruments,
+            drawKeyLabels       = settings.drawKeyLabels
+        }, true )
+    )
+end