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| 1 | +## Mixer |
| 2 | +# autoload for dynamic audio and debugging the bus system in real time. |
| 3 | +extends Node |
| 4 | +var input = AudioServer.get_input_device_list() |
| 5 | +var output = AudioServer.get_output_device_list() |
| 6 | + |
| 7 | +var buses : Array[Bus] |
| 8 | + |
| 9 | + |
| 10 | +func instance_bus(bus : Bus): |
| 11 | + owner |
| 12 | + AudioServer.add_bus(bus.index) |
| 13 | + buses.insert(bus.index, bus) |
| 14 | + |
| 15 | +func insert_bus(bus_position): |
| 16 | + AudioServer.add_bus(bus_position) |
| 17 | + var bus = Bus.new() |
| 18 | + bus.index = bus_position |
| 19 | + buses.append(bus) |
| 20 | + return bus |
| 21 | + |
| 22 | +func _init(): |
| 23 | + AudioServer.bus_layout_changed.connect(layout_changed) |
| 24 | + AudioServer.bus_renamed.connect(bus_renamed) |
| 25 | + add_master_bus() |
| 26 | + |
| 27 | +func _ready(): |
| 28 | + for bus in AudioServer.bus_count: |
| 29 | + if bus == 0: |
| 30 | + pass |
| 31 | + else: |
| 32 | + var new_bus = Bus.new() |
| 33 | + new_bus.index = bus |
| 34 | + new_bus.bus_name = AudioServer.get_bus_name(bus) |
| 35 | + new_bus.send = AudioServer.get_bus_name(bus) |
| 36 | + new_bus.persistent = true |
| 37 | + buses.append(new_bus) |
| 38 | + |
| 39 | +func get_send(index): |
| 40 | + return AudioServer.get_bus_send(index) |
| 41 | + |
| 42 | + |
| 43 | +# |
| 44 | +func populate_buses(): |
| 45 | + for bus in AudioServer.bus_count: |
| 46 | + var new_bus = add_bus() |
| 47 | + new_bus.index = bus |
| 48 | + new_bus.bus_name = AudioServer.get_bus_name(bus) |
| 49 | + new_bus.persistent = true |
| 50 | + |
| 51 | + |
| 52 | +func layout_changed(): |
| 53 | + pass |
| 54 | + |
| 55 | + |
| 56 | +func bus_renamed(): |
| 57 | + pass |
| 58 | + |
| 59 | +func add_master_bus(): |
| 60 | + var master_bus = Bus.new() |
| 61 | + master_bus.bus_name = "Master" |
| 62 | + master_bus.index = 0 |
| 63 | + buses.append(master_bus) |
| 64 | + |
| 65 | +func add_bus(): |
| 66 | + AudioServer.add_bus(AudioServer.bus_count) |
| 67 | + #AudioServer.set_bus_name(AudioServer.bus_count, "") |
| 68 | + |
| 69 | + var bus = Bus.new() |
| 70 | + bus.index = buses.size() |
| 71 | + |
| 72 | + buses.append(bus) |
| 73 | + return bus |
| 74 | + |
| 75 | + |
| 76 | + |
| 77 | +func remove_bus(bus_position): |
| 78 | + AudioServer.remove_bus(bus_position) |
| 79 | + buses.remove_at(bus_position) |
| 80 | + |
| 81 | +# to be used when a random bus is removed, causing Bus.index to be incorrect... |
| 82 | +func sort_buses(): |
| 83 | + var count = 0 |
| 84 | + for bus in buses: |
| 85 | + bus.index = count |
| 86 | + bus.bus_name = AudioServer.get_bus_name(bus.index) |
| 87 | + count += 1 |
| 88 | + |
| 89 | +func save_layout(path): |
| 90 | + var layout = AudioServer.generate_bus_layout() |
| 91 | + ResourceSaver.save(layout, path) |
| 92 | + |
| 93 | +func load_layout(path): |
| 94 | + var layout = load(path) |
| 95 | + AudioServer.set_bus_layout(layout) |
| 96 | + |
| 97 | +func get_layout_routing(): |
| 98 | + var list = [] |
| 99 | + for bus in AudioServer.bus_count: |
| 100 | + list.append(AudioServer.get_bus_send(bus)) |
| 101 | + return list |
| 102 | + |
| 103 | +class Bus: |
| 104 | + ## persistent buses are unable to be deleted |
| 105 | + var persistent = false |
| 106 | + |
| 107 | + ## for now just a tag for degugging purposes |
| 108 | + var spatial = false |
| 109 | + |
| 110 | + var index : int # why??? |
| 111 | + var bus_name : String |
| 112 | + var send := "Master" #StringName.. |
| 113 | + var volume = 0 : set = volume_changed |
| 114 | + var solo = false : set = solo_toggled |
| 115 | + var mute = false : set = mute_toggled |
| 116 | + var bypass = false : set = bypass_toggled |
| 117 | + var effects : Array[AudioEffect] |
| 118 | + |
| 119 | + func _init(): |
| 120 | + index = AudioServer.bus_count-1 |
| 121 | + bus_name = AudioServer.get_bus_name(index) |
| 122 | + |
| 123 | + func volume_changed(value): |
| 124 | + AudioServer.set_bus_volume_db(index, value) |
| 125 | + volume = value |
| 126 | + |
| 127 | + func move_bus(new_index): |
| 128 | + AudioServer.move_bus(index, new_index) |
| 129 | + index = new_index |
| 130 | + |
| 131 | + ## WARNING: buses forget send when renamed |
| 132 | + func rename_bus(new_name): |
| 133 | + #for bus in Mixer.buses: |
| 134 | + #if bus.index < index: |
| 135 | + #if bus.send == bus_name: |
| 136 | + #bus.send = new_name |
| 137 | + var send_refs = [] |
| 138 | + for bus in bus_name: |
| 139 | + bus |
| 140 | + |
| 141 | + AudioServer.set_bus_name(index, new_name) |
| 142 | + bus_name = new_name |
| 143 | + AudioServer.set_bus_send(index, get_send(index)) |
| 144 | + |
| 145 | + |
| 146 | + func solo_toggled(toggled): |
| 147 | + AudioServer.set_bus_solo(index, toggled) |
| 148 | + solo = toggled |
| 149 | + func mute_toggled(toggled): |
| 150 | + AudioServer.set_bus_mute(index, toggled) |
| 151 | + mute = toggled |
| 152 | + func bypass_toggled(toggled): |
| 153 | + AudioServer.set_bus_bypass_effects(index, toggled) |
| 154 | + bypass = toggled |
| 155 | + |
| 156 | + func effect_toggled(toggled, effect_index): |
| 157 | + AudioServer.set_bus_effect_enabled(index, effect_index, toggled) |
| 158 | + |
| 159 | + func add_effect(effect : AudioEffect): |
| 160 | + AudioServer.add_bus_effect(index, effect) #,at position?? |
| 161 | + effects.append(effect) |
| 162 | + |
| 163 | + func remove_effect(effect_index): |
| 164 | + AudioServer.remove_bus_effect(index, effect_index) |
| 165 | + |
| 166 | + func get_send(index): |
| 167 | + return AudioServer.get_bus_send(index) |
| 168 | + |
| 169 | + func set_send(bus_name): |
| 170 | + AudioServer.set_bus_send(index, bus_name) |
| 171 | + send = bus_name |
| 172 | + |
| 173 | + func send_bus_index(idx): |
| 174 | + AudioServer.set_bus_send(index, AudioServer.get_bus_name(idx)) |
| 175 | + send = AudioServer.get_bus_send(idx) |
| 176 | + |
| 177 | + |
| 178 | + |
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