// This code is mostly copied from Unity's HDRP repository
/// <summary>
/// Intialize a reoderable list
/// </summary>
void InitList(ref ReorderableList reorderableList, List <string> elements, string headerName, CustomPostProcessInjectionPoint injectionPoint, CustomPostProcess feature)
{
reorderableList = new ReorderableList(elements, typeof(string), true, true, true, true);
reorderableList.drawHeaderCallback = (rect) => EditorGUI.LabelField(rect, headerName, EditorStyles.boldLabel);
reorderableList.drawElementCallback = (rect, index, isActive, isFocused) =>
{
rect.height = EditorGUIUtility.singleLineHeight;
var elemType = Type.GetType(elements[index]);
EditorGUI.LabelField(rect, GetName(elemType), EditorStyles.boldLabel);
};
reorderableList.onAddCallback = (list) =>
{
var menu = new GenericMenu();
foreach (var type in _availableRenderers[injectionPoint])
{
if (!elements.Contains(type.AssemblyQualifiedName))
{
menu.AddItem(new GUIContent(GetName(type)), false, () => {
Undo.RegisterCompleteObjectUndo(feature, $"Added {type.ToString()} Custom Post Process");
elements.Add(type.AssemblyQualifiedName);
forceRecreate(feature); // This is done since OnValidate doesn't get called.
});
}
}
if (menu.GetItemCount() == 0)
{
menu.AddDisabledItem(new GUIContent("No Custom Post Process Availble"));
}
menu.ShowAsContext();
EditorUtility.SetDirty(feature);
};
reorderableList.onRemoveCallback = (list) =>
{
Undo.RegisterCompleteObjectUndo(feature, $"Removed {list.list[list.index].ToString()} Custom Post Process");
elements.RemoveAt(list.index);
EditorUtility.SetDirty(feature);
forceRecreate(feature); // This is done since OnValidate doesn't get called.
};
reorderableList.elementHeightCallback = _ => EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
reorderableList.onReorderCallback = (list) => {
EditorUtility.SetDirty(feature);
forceRecreate(feature); // This is done since OnValidate doesn't get called.
};
}
private void OnEnable()
{
_component = (CustomPostProcess)target;
_injectionPointProperty = serializedObject.FindProperty("injectionPoint");
_shaderProperty = serializedObject.FindProperty("shader");
}
/// <summary>
/// Force recreating the render feature
/// </summary>
/// <param name="feature">The render feature to recreate</param>
private void forceRecreate(CustomPostProcess feature)
{
feature.Create();
}
