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69 行
1.8 KiB
69 行
1.8 KiB
using UnityEngine;
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using UnityEngine.Playables;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.HighDefinition;
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public class ExposurePlayableMixer : PlayableBehaviour
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{
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// Called each frame the mixer is active, after inputs are processed
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public override void ProcessFrame(Playable handle, FrameData info, object playerData)
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{
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var volume = playerData as Volume;
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if (volume == null)
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return;
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Exposure m_autoExposure;
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var profile = Application.isPlaying
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? volume.profile
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: volume.sharedProfile;
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if (!profile.Has<Exposure>())
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return;
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var count = handle.GetInputCount();
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//Short loop
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int activeClipsCount = 0;
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for (var i = 0; i < count; i++)
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{
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var inputHandle = handle.GetInput(i);
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var weight = handle.GetInputWeight(i);
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if (weight > 0)
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activeClipsCount += 1;
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}
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if (activeClipsCount == 0)
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{
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volume.weight = 0;
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return;
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}
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volume.weight = 1;
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float newExposureKey = 0f;
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for (var i = 0; i < count; i++)
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{
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var inputHandle = handle.GetInput(i);
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var weight = handle.GetInputWeight(i);
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if (inputHandle.IsValid() &&
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inputHandle.GetPlayState() == PlayState.Playing &&
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weight > 0)
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{
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var data = ((ScriptPlayable<ExposurePlayable>)inputHandle).GetBehaviour();
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if (data != null)
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{
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newExposureKey += data.exposureKey * weight;
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}
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}
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}
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if(profile.TryGet<Exposure>(out m_autoExposure))
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m_autoExposure.fixedExposure.value = newExposureKey;
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}
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}
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