forked from BilalY/Rasagar
94 lines
3.0 KiB
C#
94 lines
3.0 KiB
C#
#if TEXT_TRACK_REQUIRES_TEXTMESH_PRO
|
|
|
|
using TMPro;
|
|
using UnityEngine;
|
|
using UnityEngine.Playables;
|
|
|
|
namespace Timeline.Samples
|
|
{
|
|
// The runtime instance of a the TextTrack. It is responsible for blending and setting the final data
|
|
// on the Text binding
|
|
public class TextTrackMixerBehaviour : PlayableBehaviour
|
|
{
|
|
Color m_DefaultColor;
|
|
float m_DefaultFontSize;
|
|
string m_DefaultText;
|
|
|
|
TMP_Text m_TrackBinding;
|
|
|
|
// Called every frame that the timeline is evaluated. ProcessFrame is invoked after its' inputs.
|
|
public override void ProcessFrame(Playable playable, FrameData info, object playerData)
|
|
{
|
|
SetDefaults(playerData as TMP_Text);
|
|
if (m_TrackBinding == null)
|
|
return;
|
|
|
|
int inputCount = playable.GetInputCount();
|
|
|
|
Color blendedColor = Color.clear;
|
|
float blendedFontSize = 0f;
|
|
float totalWeight = 0f;
|
|
float greatestWeight = 0f;
|
|
string text = m_DefaultText;
|
|
|
|
for (int i = 0; i < inputCount; i++)
|
|
{
|
|
float inputWeight = playable.GetInputWeight(i);
|
|
ScriptPlayable<TextPlayableBehaviour> inputPlayable = (ScriptPlayable<TextPlayableBehaviour>)playable.GetInput(i);
|
|
TextPlayableBehaviour input = inputPlayable.GetBehaviour();
|
|
|
|
blendedColor += input.color * inputWeight;
|
|
blendedFontSize += input.fontSize * inputWeight;
|
|
totalWeight += inputWeight;
|
|
|
|
// use the text with the highest weight
|
|
if (inputWeight > greatestWeight)
|
|
{
|
|
text = input.text;
|
|
greatestWeight = inputWeight;
|
|
}
|
|
}
|
|
|
|
// blend to the default values
|
|
m_TrackBinding.color = Color.Lerp(m_DefaultColor, blendedColor, totalWeight);
|
|
m_TrackBinding.fontSize = Mathf.RoundToInt(Mathf.Lerp(m_DefaultFontSize, blendedFontSize, totalWeight));
|
|
m_TrackBinding.text = text;
|
|
}
|
|
|
|
// Invoked when the playable graph is destroyed, typically when PlayableDirector.Stop is called or the timeline
|
|
// is complete.
|
|
public override void OnPlayableDestroy(Playable playable)
|
|
{
|
|
RestoreDefaults();
|
|
}
|
|
|
|
void SetDefaults(TMP_Text text)
|
|
{
|
|
if (text == m_TrackBinding)
|
|
return;
|
|
|
|
RestoreDefaults();
|
|
|
|
m_TrackBinding = text;
|
|
if (m_TrackBinding != null)
|
|
{
|
|
m_DefaultColor = m_TrackBinding.color;
|
|
m_DefaultFontSize = m_TrackBinding.fontSize;
|
|
m_DefaultText = m_TrackBinding.text;
|
|
}
|
|
}
|
|
|
|
void RestoreDefaults()
|
|
{
|
|
if (m_TrackBinding == null)
|
|
return;
|
|
|
|
m_TrackBinding.color = m_DefaultColor;
|
|
m_TrackBinding.fontSize = m_DefaultFontSize;
|
|
m_TrackBinding.text = m_DefaultText;
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|