/// <summary>
/// Draw sorting layer title GUI.
/// </summary>
/// <param name="toggle">Show renderers or not at last frame.</param>
/// <param name="info">Sorting layer infomation.</param>
/// <returns>Show renderers or not at this frame.</returns>
bool DrawLayerTitle(bool toggle, SortingLayerInfo info)
{
Rect rect = GUILayoutUtility.GetRect(50f, 32f, GUILayout.ExpandWidth(true));
string text = info.name;
Color bgColor = GUI.backgroundColor;
foreach (Renderer renderer in _selectRenderer)
{
if (renderer != null)
{
string layerName = renderer.sortingLayerName;
if (layerName == "")
layerName = "Default";
if (layerName == info.name)
{
if (EditorGUIUtility.isProSkin)
GUI.backgroundColor = new Color(0.4f, 0.7f, 0.9f);
else
GUI.backgroundColor = new Color(0.55f, 0.75f, 0.9f);
GUI.Label(rect, "", style_layertitlelight);
break;
}
}
}
if (EditorGUIUtility.isProSkin)
{
text = "<color=white><size=14>" + text + "</size></color>";
GUI.backgroundColor = new Color(0.5f, 0.5f, 0.5f);
}
else
{
text = "<color=black><size=14>" + text + "</size></color>";
GUI.backgroundColor = new Color(0.8f, 0.8f, 0.8f);
}
bool newToggle = GUI.Toggle(rect, toggle, text, style_layertitle);
GUI.backgroundColor = bgColor;
info.dropEventRect = rect;
return newToggle;
}
/// <summary>
/// Scan all the scene hierarchy for sortable renderers.
/// </summary>
void OnInspectorUpdate()
{
_layerList.Clear();
// Get the sequence of all sorting layers.
System.Type internalEditorUtilityType = typeof(InternalEditorUtility);
PropertyInfo sortingLayersProperty = internalEditorUtilityType.GetProperty("sortingLayerNames", BindingFlags.Static | BindingFlags.NonPublic);
string[] sortingLayerNames = (string[])sortingLayersProperty.GetValue(null, new object[0]);
// Initialize sorting layer info.
foreach (string name in sortingLayerNames)
{
SortingLayerInfo info = new SortingLayerInfo();
info.name = name;
_layerList.Add(info);
}
// Find all sortable renderers, then sort them.
Renderer[] rendererArray = UnityEngine.Object.FindObjectsOfType<Renderer>();
int defaultOrder = 0;
foreach (Renderer renderer in rendererArray)
{
Material mat = renderer.sharedMaterial;
if (mat != null && mat.renderQueue == 3000)
{
string sortingLayerName = renderer.sortingLayerName;
if (sortingLayerName == string.Empty)
sortingLayerName = "Default";
foreach (SortingLayerInfo layerInfo in _layerList)
{
if (layerInfo.name == sortingLayerName)
{
int index = 0;
foreach (SortingRendererInfo sortedRendererInfo in layerInfo.rendererList)
{
if (renderer.sortingOrder <= sortedRendererInfo.order)
break;
index++;
}
SortingRendererInfo rendererInfo = new SortingRendererInfo();
rendererInfo.renderer = renderer;
rendererInfo.order = renderer.sortingOrder;
rendererInfo.defaultOrder = defaultOrder++;
if (index == layerInfo.rendererList.Count)
layerInfo.rendererList.Add(rendererInfo);
else
layerInfo.rendererList.Insert(index, rendererInfo);
}
}
}
}
Repaint();
}
