static Material FindCompatibleMaterial (BRDFLookupTexture l)
{
Renderer r = l.gameObject.renderer;
if (!r) return null;
Material m = r.sharedMaterial;
if (m && m.HasProperty (kLookupTexturePropertyName))
return m;
return null;
}
private void PersistLookupTexture()
{
BRDFLookupTexture l = target as BRDFLookupTexture;
if (!l)
{
return;
}
Material m = FindCompatibleMaterial(l);
string assetName = (m ? m.name : l.gameObject.name) + kLookupTexturePropertyName;
Texture2D persistentTexture = PersistLookupTexture(assetName, l.lookupTexture);
if (m)
{
m.SetTexture(kLookupTexturePropertyName, persistentTexture);
}
}
public override void OnInspectorGUI()
{
BRDFLookupTexture l = target as BRDFLookupTexture;
l.intensity = EditorGUILayout.Slider("Intensity", l.intensity, 0f, 8f);
EditorGUILayout.Space();
l.diffuseIntensity = EditorGUILayout.Slider("Diffuse", l.diffuseIntensity, 0f, 2f);
if (l.diffuseIntensity > 1e-6)
{
EditorGUI.indentLevel++;
l.keyColor = EditorGUILayout.ColorField("Key Color", l.keyColor);
l.fillColor = EditorGUILayout.ColorField("Fill Color", l.fillColor);
l.backColor = EditorGUILayout.ColorField("Back Color", l.backColor);
l.wrapAround = EditorGUILayout.Slider("Wrap Around", l.wrapAround, -1f, 1f);
l.metalic = EditorGUILayout.Slider("Metalic", l.metalic, 0f, 4f);
EditorGUI.indentLevel--;
}
EditorGUILayout.Space();
l.specularIntensity = EditorGUILayout.Slider("Specular", l.specularIntensity, 0f, 8f);
if (l.specularIntensity > 1e-6)
{
EditorGUI.indentLevel++;
l.specularShininess = 1f - EditorGUILayout.Slider("Glossiness", 1f - l.specularShininess, 0f, 1f - 0.03f);
EditorGUI.indentLevel--;
}
EditorGUILayout.Space();
l.translucency = EditorGUILayout.Slider("Translucency", l.translucency, 0f, 1f);
if (l.translucency > 1e-6)
{
EditorGUI.indentLevel++;
l.translucentColor = EditorGUILayout.ColorField("Color", l.translucentColor);
EditorGUI.indentLevel--;
}
EditorGUILayout.Space();
GUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Lookup Texture", "MiniPopup");
l.lookupTextureWidth = EditorGUILayout.IntPopup(l.lookupTextureWidth, kTextureSizes, kTextureSizesValues, GUILayout.MinWidth(40));
GUILayout.Label("x");
l.lookupTextureHeight = EditorGUILayout.IntPopup(l.lookupTextureHeight, kTextureSizes, kTextureSizesValues, GUILayout.MinWidth(40));
GUILayout.FlexibleSpace();
GUILayout.EndHorizontal();
if (GUI.changed)
{
Undo.RegisterUndo(l, "BRDFTexture Params Change");
changed = true;
}
// preview
GUILayout.BeginHorizontal();
l.fastPreview = EditorGUILayout.Toggle("Fast Preview", l.fastPreview);
GUILayout.FlexibleSpace();
if (GUILayout.Button(previewRGB? "RGB": "Alpha", "MiniButton", GUILayout.MinWidth(38)))
{
previewRGB = !previewRGB;
}
GUILayout.EndHorizontal();
if (changed || !l.lookupTexture)
{
GUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (GUILayout.Button("Bake", GUILayout.MinWidth(64)))
{
l.Bake();
PersistLookupTexture();
changed = false;
}
else
{
if (l.fastPreview)
{
l.Preview();
}
else
{
l.Bake();
}
}
GUILayout.EndHorizontal();
}
Rect r = GUILayoutUtility.GetAspectRect(1.0f);
r.x += kTexturePreviewBorder;
r.y += kTexturePreviewBorder;
r.width -= kTexturePreviewBorder * 2;
r.height -= kTexturePreviewBorder * 2;
if (previewRGB)
{
EditorGUI.DrawPreviewTexture(r, l.lookupTexture);
}
else
{
EditorGUI.DrawTextureAlpha(r, l.lookupTexture);
}
// save preview to disk
if (GUI.changed && changed && l.lookupTexture && l.fastPreview)
{
PersistLookupTexture();
}
}