A sample sound effects class for DragonRuby

Sfx.rb

class Sfx
  def initialize(args)
    @args = args
    @music_mast = 0.5
    @sfx_mast = 0.5
  end

  def stop(sound_id)
    if @args.audio.key?(sound_id)
      @args.audio.delete(sound_id)
    end
  end

  def loop(sound_id, p1 = nil)
    case sound_id
    when :music_bed
      loopee = @args.audio[sound_id]
      if (loopee.nil?)
        vol = 1.0
        @args.audio[sound_id] = { input: "/music/music-bed-tense.ogg", gain: @music_mast * vol, pitch: 1.0, looping: true, paused: false }
      end
    else
    end
  end

  def play(sound_id, p1 = nil)
    case sound_id
    when :craft_weapon_part
      rand_id = rand(5) + 1
      wav_vol = 0.9
      @args.audio[:craft_weapon_part_internal1] = { input: "sounds/smithy/forge/weapon-#{rand_id}.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
      rand_id = rand(2) + 1
      wav_vol = 0.9
      @args.audio[:craft_weapon_part_internal2] = { input: "sounds/smithy/forge/weapon-low-#{rand_id}.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :craft_weapon_complete
      wav_vol = 0.8
      @args.audio[sound_id] = { input: "sounds/smithy/forge/item-completed.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :feedback_bad
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/smithy/forge/abs-cancel-6-verbed.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :monster_dying
      rand_id = rand(5) + 1
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/monster/beast/beast-0#{rand_id}.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :next_monster
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/encounter/start/encounter-start-#{p1}.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :reset_progress
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/monster/beast/beast-05.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :ui_deselect
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/ui/selection/unselected.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :ui_select
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/ui/selection/selected.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :ui_menu_mouseover
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/smithy/forge/ui-mouse-over-2.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :encounter_end
      wav_vol = 1.5
      @args.audio[sound_id] = { input: "sounds/monster/beast/beast-05.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :encounter_win
      wav_vol = 1.25
      @args.audio[sound_id] = { input: "sounds/encounter/start/encounter-win.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :encounter_lose
      wav_vol = 1.75
      @args.audio[sound_id] = { input: "sounds/encounter/start/encounter-lose.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :howto
      rand_id = rand(2) + 1
      wav_vol = 1.0
      @args.audio[sound_id] = { input: "sounds/smithy/forge/howto-#{rand_id}.wav", gain: @sfx_mast * wav_vol, pitch: 1.0, looping: false, paused: false }
    when :music_bed
      vol = 1.0
      @args.audio[sound_id] = { input: "music/music_1.ogg", gain: @music_mast * vol, pitch: 1.0, looping: false, paused: false }
    else
      # default? clown horn?
    end
  end
end