Merge branch 'audio-events' of https://github.com/Tryibion/FlaxEngine into Tryibion-audio-events

Source/Engine/Audio/AudioSource.cpp

@@ -167,8 +167,8 @@ void AudioSource::Play()
     }
     else
     {
-        // Source was nt properly added to the Audio Backend
-        LOG(Warning, "Cannot play unitialized audio source.");
+        // Source was not properly added to the Audio Backend
+        LOG(Warning, "Cannot play uninitialized audio source.");
     }
 }
 
@@ -401,6 +401,9 @@ void AudioSource::Update()
         _startingToPlay = false;
     }
 
+    if (Math::NearEqual(GetTime(), _startTime) && _isActuallyPlayingSth && _startingToPlay)
+        ClipStarted();
+
     if (!UseStreaming() && Math::NearEqual(GetTime(), 0.0f) && _isActuallyPlayingSth && !_startingToPlay)
     {
         int32 queuedBuffers;
@@ -416,6 +419,7 @@ void AudioSource::Update()
             {
                 Stop();
             }
+            ClipFinished();
         }
     }
 
@@ -486,6 +490,7 @@ void AudioSource::Update()
                 {
                     Stop();
                 }
+                ClipFinished();
             }
             ASSERT(_streamingFirstChunk < clip->Buffers.Count());
 

Source/Engine/Audio/AudioSource.h

@@ -76,6 +76,16 @@ public:
     API_FIELD(Attributes="EditorOrder(10), DefaultValue(null), EditorDisplay(\"Audio Source\")")
     AssetReference<AudioClip> Clip;
 
+    /// <summary>
+    /// Event fired when the audio clip starts.
+    /// </summary>
+    API_EVENT() Action ClipStarted;
+
+    /// <summary>
+    /// Event fired when the audio clip finishes.
+    /// </summary>
+    API_EVENT() Action ClipFinished;
+
     /// <summary>
     /// Gets the velocity of the source. Determines pitch in relation to AudioListener's position. Only relevant for spatial (3D) sources.
     /// </summary>