87 lines
2 KiB
C#
87 lines
2 KiB
C#
using Godot;
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using Godot.Collections;
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public partial class AudioSequencer : Node
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{
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private static AudioSequencer instance;
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private Dictionary<string, AudioStreamPlayer> channels = [];
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private Dictionary<string, bool> channelProcess = [];
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private Dictionary<string, ChannelSettings> channelSettings = [];
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[Export]
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private ChannelSettings standardSettings;
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public override void _Ready()
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{
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instance = this;
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}
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public static bool IsChannelPlaying(string id)
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{
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if (instance.channels.ContainsKey(id) == false)
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{
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instance.InitiateChannel(id);
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return false;
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}
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if (instance.channelSettings[id].restartTreshold == 0)
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return false;
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if (instance.channelSettings[id].restartTreshold < 0)
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return instance.channelProcess[id];
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return instance.channelProcess[id] && instance.channels[id].GetPlaybackPosition() < instance.channelSettings[id].restartTreshold / Engine.TimeScale;
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}
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public static void Play(string id, AudioStream what, ChannelSettings settings = null)
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{
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if (IsChannelPlaying(id)) return;
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if (settings != null) ChangeSettings(id, settings);
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instance.PlayAtChannel(id, what);
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}
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public static void ChangeSettings(string id, ChannelSettings settings)
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{
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if (instance.channels.ContainsKey(id) == false)
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{
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instance.InitiateChannel(id, settings);
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return;
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}
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instance.channelSettings[id] = settings;
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}
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private AudioStreamPlayer InitiateChannel(string id, ChannelSettings settings = null)
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{
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AudioStreamPlayer player = new();
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AddChild(player);
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channels.Add(id, player);
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channelProcess.Add(id, false);
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player.Name = id;
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player.MaxPolyphony = 5;
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player.Finished += () => { MarkChannel(id, false); };
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if (settings != null)
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{
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channelSettings.Add(id, settings);
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}
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else
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{
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channelSettings.Add(id, standardSettings);
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}
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return player;
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}
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private void PlayAtChannel(string id, AudioStream what)
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{
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channels[id].Stream = what;
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channels[id].Play();
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MarkChannel(id, true);
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}
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private void MarkChannel(string id, bool how)
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{
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channelProcess[id] = how;
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}
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}
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