84 lines
2.4 KiB
C#
84 lines
2.4 KiB
C#
#if UNITY_EDITOR
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using UnityEditor;
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using UnityEditor.Callbacks;
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using UnityEngine;
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namespace UniRx
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{
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[InitializeOnLoad]
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public class ScenePlaybackDetector
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{
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private static bool _isPlaying = false;
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private static bool AboutToStartScene
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{
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get
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{
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return EditorPrefs.GetBool("AboutToStartScene");
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}
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set
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{
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EditorPrefs.SetBool("AboutToStartScene", value);
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}
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}
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public static bool IsPlaying
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{
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get
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{
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return _isPlaying;
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}
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set
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{
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if (_isPlaying != value)
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{
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_isPlaying = value;
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}
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}
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}
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// This callback is notified after scripts have been reloaded.
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[DidReloadScripts]
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public static void OnDidReloadScripts()
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{
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// Filter DidReloadScripts callbacks to the moment where playmodeState transitions into isPlaying.
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if (AboutToStartScene)
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{
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IsPlaying = true;
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}
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}
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// InitializeOnLoad ensures that this constructor is called when the Unity Editor is started.
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static ScenePlaybackDetector()
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{
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#if UNITY_2017_2_OR_NEWER
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EditorApplication.playModeStateChanged += e =>
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#else
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EditorApplication.playmodeStateChanged += () =>
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#endif
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{
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// Before scene start: isPlayingOrWillChangePlaymode = false; isPlaying = false
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// Pressed Playback button: isPlayingOrWillChangePlaymode = true; isPlaying = false
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// Playing: isPlayingOrWillChangePlaymode = false; isPlaying = true
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// Pressed stop button: isPlayingOrWillChangePlaymode = true; isPlaying = true
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if (EditorApplication.isPlayingOrWillChangePlaymode && !EditorApplication.isPlaying)
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{
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AboutToStartScene = true;
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}
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else
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{
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AboutToStartScene = false;
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}
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// Detect when playback is stopped.
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if (!EditorApplication.isPlaying)
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{
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IsPlaying = false;
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}
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};
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}
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}
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}
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#endif |