static void BuildBRDFGenerators(ref LTCTableGenerator.BRDFGenerator[] BRDFGeneratorArray)
{
// Collect all the BRDFs that we need to generate
Type[] brdfTypes = ListAllBRDFTypes();
if (brdfTypes.Length != 0)
{
BRDFGeneratorArray = new LTCTableGenerator.BRDFGenerator[brdfTypes.Length];
for (int i = 0; i < brdfTypes.Length; ++i)
{
BRDFGeneratorArray[i] = new LTCTableGenerator.BRDFGenerator(brdfTypes[i], k_TableResolution, k_DefaultSampleCount, LTCTableGenerator.LTCTableParametrization.CosTheta, k_OutputDirectory);
}
}
}
private void OnGUI()
{
if (m_BRDFGeneratorArray == null)
{
BuildBRDFGenerators(ref m_BRDFGeneratorArray);
}
EditorGUILayout.LabelField("Recognized BRDF Types: " + m_BRDFGeneratorArray.Length);
EditorGUILayout.Separator();
// Display the generators and their toggles
int numActiveGenerators = 0;
for (int i = 0; i < m_BRDFGeneratorArray.Length; ++i)
{
LTCTableGenerator.BRDFGenerator currentGenerator = m_BRDFGeneratorArray[i];
currentGenerator.shouldGenerate = EditorGUILayout.Toggle(currentGenerator.type.Name.ToString(), currentGenerator.shouldGenerate);
if (currentGenerator.shouldGenerate)
{
numActiveGenerators++;
}
EditorGUILayout.Space();
}
m_ParallelExecution = EditorGUILayout.Toggle("Parallel", m_ParallelExecution);
m_SampleCount = EditorGUILayout.IntField("Sample Count", m_SampleCount);
m_Parametrization = (LTCTableGenerator.LTCTableParametrization)EditorGUILayout.EnumPopup("Theta parametrization", m_Parametrization);
EditorGUILayout.Separator();
if (m_BRDFGeneratorArray.Length > 1)
{
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button(new GUIContent("Select All", ""), EditorStyles.miniButton, GUILayout.ExpandWidth(false)))
{
for (int i = 0; i < m_BRDFGeneratorArray.Length; ++i)
{
m_BRDFGeneratorArray[i].shouldGenerate = true;
}
}
if (GUILayout.Button(new GUIContent("Select None", ""), EditorStyles.miniButton, GUILayout.ExpandWidth(false)))
{
for (int i = 0; i < m_BRDFGeneratorArray.Length; ++i)
{
m_BRDFGeneratorArray[i].shouldGenerate = false;
}
}
EditorGUILayout.EndHorizontal();
}
if (numActiveGenerators > 0)
{
EditorGUILayout.Separator();
EditorGUILayout.Space();
if (GUILayout.Button(new GUIContent("Generate LTC Tables", ""), EditorStyles.toolbarButton))
{
// Make sure target directory exists before creating any file!
DirectoryInfo outputDir = new DirectoryInfo(k_OutputDirectory);
if (!outputDir.Exists)
{
outputDir.Create();
}
for (int i = 0; i < m_BRDFGeneratorArray.Length; ++i)
{
if (m_BRDFGeneratorArray[i].shouldGenerate)
{
m_BRDFGeneratorArray[i].sampleCount = m_SampleCount;
m_BRDFGeneratorArray[i].parametrization = m_Parametrization;
LTCTableGenerator.ExecuteFittingJob(m_BRDFGeneratorArray[i], m_ParallelExecution);
}
}
AssetDatabase.Refresh();
}
}
}