Play music when excavating

controller/audio_controller.lua

@@ -0,0 +1,96 @@
+local dfpwm = require("cc.audio.dfpwm")
+local Direction = require("lib.direction")
+
+---@alias AudioControllerConfig {buffer_length_seconds: number}
+
+---@class AudioController
+---@field config AudioControllerConfig
+---@field play boolean
+local AudioController = {}
+AudioController.__index = AudioController
+
+
+---@return AudioController
+function AudioController:Create()
+    local t = {}
+    setmetatable(t, AudioController)
+
+
+    -----------------------------------------------------------------------------------------------
+    -- Fields
+    -----------------------------------------------------------------------------------------------
+    t.config = {
+        buffer_length_seconds = 1
+    }
+    t.play = false
+
+
+    return t
+end
+
+
+-----------------------------------------------------------------------------------------------
+-- Audio Methods
+-----------------------------------------------------------------------------------------------
+
+
+function AudioController:PlayAudio(filename)
+    self.play = true
+
+    local decoder = dfpwm.make_decoder()
+    while self.play do
+        for chunk in io.lines(("audio/%s.dfpwm"):format(filename), self.config.buffer_length_seconds * 1024) do
+            if not self.play then
+                break
+            end
+
+            local buffer = decoder(chunk)
+
+            while not self:GetSpeaker().playAudio(buffer) do
+                ---@diagnostic disable-next-line: undefined-field
+                os.pullEvent("speaker_audio_empty")
+            end
+        end
+    end
+end
+
+
+function AudioController:PlayAudioFactory(filename)
+    local function play()
+        self:PlayAudio(filename)
+    end
+
+    return play
+end
+
+
+-----------------------------------------------------------------------------------------------
+-- Management Methods
+-----------------------------------------------------------------------------------------------
+
+
+---@return table | nil
+function AudioController:GetSpeaker()
+    return peripheral.find("speaker")
+end
+
+
+function AudioController:StopPlaying()
+    self.play = false
+    self:GetSpeaker().stop()
+end
+
+
+-----------------------------------------------------------------------------------------------
+-- Main Method
+-----------------------------------------------------------------------------------------------
+
+
+function AudioController:Run()
+    -- self:Configure()
+
+    self:PlayAudio("bangarang")
+end
+
+
+return AudioController