Merge branch 'layeraddition' of https://github.com/Withaust/FlaxEngine into Withaust-layeraddition

Source/Engine/Level/Actor.cpp

@@ -456,6 +456,19 @@ void Actor::SetLayerName(const StringView& value)
     LOG(Warning, "Unknown layer name '{0}'", value);
 }
 
+void Actor::SetLayerNameRecursive(const StringView& value)
+{
+    for (int32 i = 0; i < 32; i++)
+    {
+        if (Level::Layers[i] == value)
+        {
+            SetLayerRecursive(i);
+            return;
+        }
+    }
+    LOG(Warning, "Unknown layer name '{0}'", value);
+}
+
 bool Actor::HasTag() const
 {
     return Tags.Count() != 0;
@@ -476,6 +489,13 @@ void Actor::AddTag(const Tag& tag)
     Tags.AddUnique(tag);
 }
 
+void Actor::AddTagRecursive(const Tag& tag)
+{
+    for (const auto& child : Children)
+        child->AddTagRecursive(tag);
+    Tags.AddUnique(tag);
+}
+
 void Actor::RemoveTag(const Tag& tag)
 {
     Tags.Remove(tag);
@@ -505,6 +525,17 @@ void Actor::SetLayer(int32 layerIndex)
     OnLayerChanged();
 }
 
+void Actor::SetLayerRecursive(int32 layerIndex)
+{
+    layerIndex = Math::Clamp(layerIndex, 0, 31);
+    for (const auto& child : Children)
+        child->SetLayerRecursive(layerIndex);
+    if (layerIndex == _layer)
+        return;
+    _layer = layerIndex;
+    OnLayerChanged();
+}
+
 void Actor::SetName(const StringView& value)
 {
     if (_name == value)

Source/Engine/Level/Actor.h

@@ -102,6 +102,12 @@ public:
     /// <param name="layerIndex">The index of the layer.</param>
     API_PROPERTY() void SetLayer(int32 layerIndex);
 
+    /// <summary>
+    /// Sets the layer recursively for all underlying children.
+    /// </summary>
+    /// <param name="layerIndex">The index of the layer.</param>
+    API_FUNCTION() void SetLayerRecursive(int32 layerIndex);
+
     /// <summary>
     /// Gets the name of the layer.
     /// </summary>
@@ -113,6 +119,11 @@ public:
     /// </summary>
     API_PROPERTY() void SetLayerName(const StringView& value);
 
+    /// <summary>
+    /// Sets the name of the layer recursively for actor and for all underlying child actors.
+    /// </summary>
+    API_FUNCTION() void SetLayerNameRecursive(const StringView& value);
+
     /// <summary>
     /// Determines whether this actor has any tag assigned.
     /// </summary>
@@ -137,6 +148,11 @@ public:
     API_FUNCTION() void AddTag(const Tag& tag);
 
     /// <summary>
+    /// Adds a tag to the actor and for all underlying child actors.
+    /// </summary>
+    /// <param name="tag">The tag to add.</param>
+    API_FUNCTION() void AddTagRecursive(const Tag& tag);
+
     /// Removes a tag to the actor
     /// </summary>
     /// <param name="tag">The tag to remove.</param>