Class: Termfront::AudioManager

Inherits:
Object
  • Object
show all
Defined in:
lib/termfront/audio_manager.rb

Defined Under Namespace

Classes: Player

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AudioManager

Returns a new instance of AudioManager.



11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/termfront/audio_manager.rb', line 11

def initialize
  @manifest = load_manifest
  @bgm_player = detect_player(%w[ffplay afplay paplay aplay], prefer_loop: true)
  @loop_se_player = detect_player(%w[ffplay afplay paplay aplay], prefer_loop: true)
  @se_player = detect_player(%w[paplay afplay aplay ffplay], prefer_loop: false)
  @mutex = Mutex.new
  @bgm_pid = nil
  @bgm_thread = nil
  @bgm_stop = false
  @loop_se_pid = nil
  @loop_se_thread = nil
  @loop_se_stop = false
  @loop_se_name = nil
end

Instance Method Details

#close ⇒ Object 



135
136
137
138
 
# File 'lib/termfront/audio_manager.rb', line 135

def close
  stop_bgm
  stop_loop_se
end

#play_bgm(name) ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/termfront/audio_manager.rb', line 26

def play_bgm(name)
  path = asset_path(:bgm, name)
  return unless path

  stop_bgm

  @mutex.synchronize do
    @bgm_stop = false
    @bgm_thread = Thread.new do
      if @bgm_player&.supports_loop
        @bgm_pid = spawn_player(@bgm_player, path, loop_playback: true)
        wait_for_channel(:bgm)
      else
        loop do
          break if channel_stopped?(:bgm)

          @bgm_pid = spawn_player(@bgm_player, path, loop_playback: false)
          wait_for_channel(:bgm)
          break if channel_stopped?(:bgm)
        end
      end
    rescue StandardError
      nil
    ensure
      @mutex.synchronize do
        @bgm_pid = nil
        @bgm_thread = nil
      end
    end
  end
end

#play_loop_se(name) ⇒ Object 



81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
 
# File 'lib/termfront/audio_manager.rb', line 81

def play_loop_se(name)
  path = asset_path(:loop_se, name) || asset_path(:se, name)
  return unless path

  @mutex.synchronize do
    return if @loop_se_name == name && @loop_se_thread&.alive?
  end

  stop_loop_se

  @mutex.synchronize do
    @loop_se_stop = false
    @loop_se_name = name
    @loop_se_thread = Thread.new do
      if @loop_se_player&.supports_loop
        @loop_se_pid = spawn_player(@loop_se_player, path, loop_playback: true)
        wait_for_channel(:loop_se)
      else
        loop do
          break if channel_stopped?(:loop_se)

          @loop_se_pid = spawn_player(@loop_se_player, path, loop_playback: false)
          wait_for_channel(:loop_se)
          break if channel_stopped?(:loop_se)
        end
      end
    rescue StandardError
      nil
    ensure
      @mutex.synchronize do
        @loop_se_pid = nil
        @loop_se_thread = nil
        @loop_se_name = nil
      end
    end
  end
end

#play_se(name) ⇒ Object 



72
73
74
75
76
77
78
79
 
# File 'lib/termfront/audio_manager.rb', line 72

def play_se(name)
  path = asset_path(:se, name)
  return unless path && @se_player

  spawn_player(@se_player, path, loop_playback: false, detach: true)
rescue StandardError
  nil
end

#stop_bgm ⇒ Object 



58
59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/termfront/audio_manager.rb', line 58

def stop_bgm
  thread = nil
  pid = nil

  @mutex.synchronize do
    @bgm_stop = true
    thread = @bgm_thread
    pid = @bgm_pid
  end

  terminate_process(pid) if pid
  thread&.join(0.5)
end

#stop_loop_se(name = nil) ⇒ Object 



119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
 
# File 'lib/termfront/audio_manager.rb', line 119

def stop_loop_se(name = nil)
  thread = nil
  pid = nil

  @mutex.synchronize do
    return if name && @loop_se_name != name

    @loop_se_stop = true
    thread = @loop_se_thread
    pid = @loop_se_pid
  end

  terminate_process(pid) if pid
  thread&.join(0.5)
end