79 lines
2.4 KiB
C#
79 lines
2.4 KiB
C#
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using System;
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using UnityEngine;
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using UnityEngine.Playables;
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using UnityEngine.Timeline;
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using UnityEngine.UI;
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public class TextSwitcherMixerBehaviour : PlayableBehaviour
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{
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Color m_DefaultColor;
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int m_DefaultFontSize;
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string m_DefaultText;
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Text m_TrackBinding;
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bool m_FirstFrameHappened;
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public override void ProcessFrame(Playable playable, FrameData info, object playerData)
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{
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m_TrackBinding = playerData as Text;
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if (m_TrackBinding == null)
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return;
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if (!m_FirstFrameHappened)
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{
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m_DefaultColor = m_TrackBinding.color;
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m_DefaultFontSize = m_TrackBinding.fontSize;
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m_DefaultText = m_TrackBinding.text;
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m_FirstFrameHappened = true;
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}
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int inputCount = playable.GetInputCount ();
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Color blendedColor = Color.clear;
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float blendedFontSize = 0f;
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float totalWeight = 0f;
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float greatestWeight = 0f;
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int currentInputs = 0;
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for (int i = 0; i < inputCount; i++)
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{
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float inputWeight = playable.GetInputWeight(i);
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ScriptPlayable<TextSwitcherBehaviour> inputPlayable = (ScriptPlayable<TextSwitcherBehaviour>)playable.GetInput(i);
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TextSwitcherBehaviour input = inputPlayable.GetBehaviour ();
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blendedColor += input.color * inputWeight;
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blendedFontSize += input.fontSize * inputWeight;
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totalWeight += inputWeight;
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if (inputWeight > greatestWeight)
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{
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m_TrackBinding.text = input.text;
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greatestWeight = inputWeight;
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}
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if (!Mathf.Approximately (inputWeight, 0f))
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currentInputs++;
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}
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m_TrackBinding.color = blendedColor + m_DefaultColor * (1f - totalWeight);
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m_TrackBinding.fontSize = Mathf.RoundToInt (blendedFontSize + m_DefaultFontSize * (1f - totalWeight));
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if (currentInputs != 1 && 1f - totalWeight > greatestWeight)
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{
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m_TrackBinding.text = m_DefaultText;
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}
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}
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public override void OnPlayableDestroy (Playable playable)
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{
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m_FirstFrameHappened = false;
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if (m_TrackBinding == null)
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return;
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m_TrackBinding.color = m_DefaultColor;
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m_TrackBinding.fontSize = m_DefaultFontSize;
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m_TrackBinding.text = m_DefaultText;
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}
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}
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