From ff9b1165221c07ae47a7b3ca94750652a47f95e0 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Tue, 4 Jan 2022 23:58:39 +0100
Subject: [PATCH] Add `ScriptingObject::NewObject` utility for scripting
 objects spawning in C++

---
 Source/Engine/Scripting/ScriptingObject.cpp | 11 +++++++++++
 Source/Engine/Scripting/ScriptingObject.h   |  7 +++++++
 2 files changed, 18 insertions(+)

diff --git a/Source/Engine/Scripting/ScriptingObject.cpp b/Source/Engine/Scripting/ScriptingObject.cpp
index ddfb0fca5..b8775f941 100644
--- a/Source/Engine/Scripting/ScriptingObject.cpp
+++ b/Source/Engine/Scripting/ScriptingObject.cpp
@@ -82,6 +82,17 @@ MClass* ScriptingObject::GetClass() const
     return _type ? _type.GetType().ManagedClass : nullptr;
 }
 
+ScriptingObject* ScriptingObject::NewObject(const ScriptingTypeHandle& typeHandle)
+{
+    if (!typeHandle)
+        return nullptr;
+    auto& type = typeHandle.GetType();
+    if (type.Type != ScriptingTypes::Script)
+        return nullptr;
+    const ScriptingObjectSpawnParams params(Guid::New(), typeHandle);
+    return type.Script.Spawn(params);
+}
+
 ScriptingObject* ScriptingObject::FromInterface(void* interfaceObj, const ScriptingTypeHandle& interfaceType)
 {
     if (!interfaceObj || !interfaceType)
diff --git a/Source/Engine/Scripting/ScriptingObject.h b/Source/Engine/Scripting/ScriptingObject.h
index b29078d45..a0114b1a4 100644
--- a/Source/Engine/Scripting/ScriptingObject.h
+++ b/Source/Engine/Scripting/ScriptingObject.h
@@ -108,6 +108,13 @@ public:
 
 public:
 
+    static ScriptingObject* NewObject(const ScriptingTypeHandle& typeHandle);
+    template<typename T>
+    static T* NewObject()
+    {
+        return (T*)NewObject(T::TypeInitializer);
+    }
+
     // Tries to cast native interface object to scripting object instance. Returns null if fails.
     static ScriptingObject* FromInterface(void* interfaceObj, const ScriptingTypeHandle& interfaceType);
     static void* ToInterface(ScriptingObject* obj, const ScriptingTypeHandle& interfaceType);