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using UnityEngine;
using UnityEngine.UI;
using System.Text;
using UnityEngine.Rendering;
namespace UnityEngine.XR.ARFoundation.Samples
{
/// <summary>
/// A simple UI controller to display light estimation information.
/// </summary>
[RequireComponent(typeof(LightEstimation))]
public class HDRLightEstimationUI : MonoBehaviour
{
[Tooltip("The UI Text element used to display the estimated direction of the main light for the physical environment.")]
[SerializeField]
Text m_MainLightDirectionText;
public Text mainLightDirectionText
{
get => m_MainLightDirectionText;
set => m_MainLightDirectionText = value;
}
[Tooltip("The UI Text element used to display the estimated intensity in lumens of the main light for the physical environment.")]
[SerializeField]
Text m_MainLightIntensityLumens;
public Text mainLightIntensityLumens
{
get => m_MainLightIntensityLumens;
set => m_MainLightIntensityLumens = value;
}
[Tooltip("The UI Text element used to display the estimated color of the main light for the physical environment.")]
[SerializeField]
Text m_MainLightColor;
public Text mainLightColorText
{
get => m_MainLightColor;
set => m_MainLightColor = value;
}
[Tooltip("The UI Text element used to display the estimated spherical harmonics coefficients for the physical environment.")]
[SerializeField]
Text m_SphericalHarmonicsText;
public Text ambientSphericalHarmonicsText
{
get => m_SphericalHarmonicsText;
set => m_SphericalHarmonicsText = value;
}
StringBuilder m_SphericalHarmonicsStringBuilder = new StringBuilder("");
void Awake()
{
m_LightEstimation = GetComponent<LightEstimation>();
}
void Update()
{
SetUIValue(m_LightEstimation.mainLightDirection, mainLightDirectionText);
SetUIValue(m_LightEstimation.mainLightColor, mainLightColorText);
SetUIValue(m_LightEstimation.mainLightIntensityLumens, mainLightIntensityLumens);
SetSphericalHarmonicsUIValue(m_LightEstimation.sphericalHarmonics, ambientSphericalHarmonicsText);
}
void SetSphericalHarmonicsUIValue(SphericalHarmonicsL2? maybeAmbientSphericalHarmonics, Text text)
{
if (text != null)
{
if (maybeAmbientSphericalHarmonics.HasValue)
{
m_SphericalHarmonicsStringBuilder.Clear();
for (int i = 0; i < 3; ++i)
{
if (i == 0)
m_SphericalHarmonicsStringBuilder.Append("R:[");
else if (i == 1)
m_SphericalHarmonicsStringBuilder.Append("G:[");
else
m_SphericalHarmonicsStringBuilder.Append("B:[");
for (int j = 0; j < 9; ++j)
{
m_SphericalHarmonicsStringBuilder.Append(j != 8 ? $"{maybeAmbientSphericalHarmonics.Value[i, j]}, " : $"{maybeAmbientSphericalHarmonics.Value[i, j]}]\n");
}
}
text.text = m_SphericalHarmonicsStringBuilder.ToString();
}
else
{
text.text = k_UnavailableText;
}
}
}
void SetUIValue<T>(T? displayValue, Text text) where T : struct
{
if (text != null)
text.text = displayValue.HasValue ? displayValue.Value.ToString(): k_UnavailableText;
}
const string k_UnavailableText = "Unavailable";
LightEstimation m_LightEstimation;
}
}