From 107bea9c2e323d15948beeb759683a388f8f6eac Mon Sep 17 00:00:00 2001
From: Ruan Lucas <79365912+RuanLucasGD@users.noreply.github.com>
Date: Sat, 22 Apr 2023 13:38:54 -0400
Subject: [PATCH 1/4] implement: add "GetSubTags" to "Tags"

---
 Source/Engine/Level/Tags.cpp | 18 ++++++++++++++++++
 Source/Engine/Level/Tags.h   |  7 +++++++
 2 files changed, 25 insertions(+)

diff --git a/Source/Engine/Level/Tags.cpp b/Source/Engine/Level/Tags.cpp
index b9b3b1f79..b16928630 100644
--- a/Source/Engine/Level/Tags.cpp
+++ b/Source/Engine/Level/Tags.cpp
@@ -55,6 +55,24 @@ Tag Tags::Get(const StringView& tagName)
     return tag;
 }
 
+Array<Tag> Tags::GetSubTags(Tag parentTag)
+{
+    Array<Tag> subTags = Array<Tag>();
+
+    auto _parentTagName = parentTag.ToString();
+
+    for (int i = 0; i < Tags::List.Count(); i++)
+    {
+        auto& subTagName = Tags::List[i];
+        if (subTagName.Contains(_parentTagName) && subTagName != _parentTagName)
+        {
+            subTags.Add(Tags::Get(subTagName));
+        }
+    }
+
+    return subTags;
+}
+
 bool Tags::HasTag(const Array<Tag>& list, const Tag& tag)
 {
     if (tag.Index == 0)
diff --git a/Source/Engine/Level/Tags.h b/Source/Engine/Level/Tags.h
index 03b09a1fc..04ba76a23 100644
--- a/Source/Engine/Level/Tags.h
+++ b/Source/Engine/Level/Tags.h
@@ -92,6 +92,13 @@ API_CLASS(Static) class FLAXENGINE_API Tags
     /// <returns>The tag.</returns>
     API_FUNCTION() static Tag Get(const StringView& tagName);
 
+    /// <summary>
+    /// Get all subtags of the specific Tag
+    /// </summary>
+    /// <param name="tag"></param>
+    /// <returns></returns>
+    API_FUNCTION() static Array<Tag> GetSubTags(Tag tag);
+
 public:
     /// <summary>
     /// Checks if the list of tags contains a given tag (including parent tags check). For example, HasTag({"A.B"}, "A") returns true, for exact check use HasTagExact.

From 85cfc73bbfdbc736769ef006f7168985b341efc6 Mon Sep 17 00:00:00 2001
From: Ruan Lucas <79365912+RuanLucasGD@users.noreply.github.com>
Date: Sat, 22 Apr 2023 14:51:40 -0400
Subject: [PATCH 2/4] clean code

---
 Source/Engine/Level/Tags.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Source/Engine/Level/Tags.cpp b/Source/Engine/Level/Tags.cpp
index b16928630..dd4bc331a 100644
--- a/Source/Engine/Level/Tags.cpp
+++ b/Source/Engine/Level/Tags.cpp
@@ -57,8 +57,7 @@ Tag Tags::Get(const StringView& tagName)
 
 Array<Tag> Tags::GetSubTags(Tag parentTag)
 {
-    Array<Tag> subTags = Array<Tag>();
-
+    Array<Tag> subTags;
     auto _parentTagName = parentTag.ToString();
 
     for (int i = 0; i < Tags::List.Count(); i++)

From db14c8a0a6fba0605babcc080761b3d821b8ee0a Mon Sep 17 00:00:00 2001
From: Ruan Lucas <79365912+RuanLucasGD@users.noreply.github.com>
Date: Sat, 6 May 2023 10:46:26 -0400
Subject: [PATCH 3/4] refactor "GetSubTags"

---
 Source/Engine/Level/Tags.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/Source/Engine/Level/Tags.cpp b/Source/Engine/Level/Tags.cpp
index dd4bc331a..efdd522e7 100644
--- a/Source/Engine/Level/Tags.cpp
+++ b/Source/Engine/Level/Tags.cpp
@@ -58,14 +58,15 @@ Tag Tags::Get(const StringView& tagName)
 Array<Tag> Tags::GetSubTags(Tag parentTag)
 {
     Array<Tag> subTags;
-    auto _parentTagName = parentTag.ToString();
+    const String& parentTagName = parentTag.ToString();
 
     for (int i = 0; i < Tags::List.Count(); i++)
     {
-        auto& subTagName = Tags::List[i];
-        if (subTagName.Contains(_parentTagName) && subTagName != _parentTagName)
+        const Tag tag = Tag(i + 1);
+        const String& tagName = Tags::List[i];
+        if (tagName.StartsWith(parentTagName) && parentTag.Index != tag)
         {
-            subTags.Add(Tags::Get(subTagName));
+            subTags.Add(tag);
         }
     }
 

From 64515404e97e70994e04c3f5d7a7d982f57d41b2 Mon Sep 17 00:00:00 2001
From: Ruan Lucas <79365912+RuanLucasGD@users.noreply.github.com>
Date: Sat, 6 May 2023 10:49:07 -0400
Subject: [PATCH 4/4] refactor again

---
 Source/Engine/Level/Tags.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/Engine/Level/Tags.cpp b/Source/Engine/Level/Tags.cpp
index efdd522e7..63cfd8442 100644
--- a/Source/Engine/Level/Tags.cpp
+++ b/Source/Engine/Level/Tags.cpp
@@ -64,7 +64,7 @@ Array<Tag> Tags::GetSubTags(Tag parentTag)
     {
         const Tag tag = Tag(i + 1);
         const String& tagName = Tags::List[i];
-        if (tagName.StartsWith(parentTagName) && parentTag.Index != tag)
+        if (tagName.StartsWith(parentTagName) && parentTag.Index != tag.Index)
         {
             subTags.Add(tag);
         }