82 lines
3.3 KiB
C#
82 lines
3.3 KiB
C#
using System;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using JetBrains.Annotations;
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using UnityEditor;
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using UnityEditor.Timeline;
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namespace UnityEngine.Timeline
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{
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[CustomPropertyDrawer(typeof(AudioClipProperties))]
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class AudioClipPropertiesDrawer : PropertyDrawer
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{
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[UsedImplicitly] // Also used by tests
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internal static class Styles
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{
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public const string VolumeControl = "AudioClipPropertiesDrawer.volume";
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const string k_Indent = " ";
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public const string valuesFormatter = "0.###";
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public static string mixedPropertiesInfo = L10n.Tr("The final {3} is {0}\n" +
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"Calculated from:\n" +
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k_Indent + "Clip: {1}\n" +
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k_Indent + "Track: {2}");
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public static string audioSourceContribution = L10n.Tr(k_Indent + "AudioSource: {0}");
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}
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static StringBuilder s_MixInfoBuilder = new StringBuilder();
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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var volumeProp = property.FindPropertyRelative("volume");
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GUI.SetNextControlName(Styles.VolumeControl);
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EditorGUI.Slider(position, volumeProp, 0.0f, 1.0f, AudioSourceInspector.Styles.volumeLabel);
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if (TimelineEditor.inspectedDirector == null)
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// Nothing more to do in asset mode
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return;
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var clip = SelectionManager.SelectedClips().FirstOrDefault(c => c.asset == property.serializedObject.targetObject);
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if (clip == null || clip.parentTrack == null)
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return;
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var clipVolume = volumeProp.floatValue;
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var trackVolume = new SerializedObject(clip.parentTrack).FindProperty("m_TrackProperties.volume").floatValue;
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var binding = TimelineEditor.inspectedDirector.GetGenericBinding(clip.parentTrack) as AudioSource;
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if (Math.Abs(clipVolume) < float.Epsilon &&
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Math.Abs(trackVolume) < float.Epsilon &&
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(binding == null || Math.Abs(binding.volume) < float.Epsilon))
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return;
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if (Math.Abs(clipVolume - 1) < float.Epsilon &&
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Math.Abs(trackVolume - 1) < float.Epsilon &&
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(binding == null || Math.Abs(binding.volume - 1) < float.Epsilon))
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return;
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s_MixInfoBuilder.Length = 0;
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var audioSourceVolume = binding == null ? 1.0f : binding.volume;
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s_MixInfoBuilder.AppendFormat(
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Styles.mixedPropertiesInfo,
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(clipVolume * trackVolume * audioSourceVolume).ToString(Styles.valuesFormatter, CultureInfo.InvariantCulture),
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clipVolume.ToString(Styles.valuesFormatter, CultureInfo.InvariantCulture),
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trackVolume.ToString(Styles.valuesFormatter, CultureInfo.InvariantCulture),
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AudioSourceInspector.Styles.volumeLabel.text);
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if (binding != null)
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s_MixInfoBuilder.Append("\n")
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.AppendFormat(Styles.audioSourceContribution,
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audioSourceVolume.ToString(Styles.valuesFormatter, CultureInfo.InvariantCulture));
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EditorGUILayout.Space();
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EditorGUILayout.HelpBox(new GUIContent(s_MixInfoBuilder.ToString()));
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}
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}
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}
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