Refactor settings types to use scripting API

Source/Engine/Input/Input.cpp

@@ -98,6 +98,12 @@ Delegate<StringView> Input::ActionTriggered;
 Array<ActionConfig> Input::ActionMappings;
 Array<AxisConfig> Input::AxisMappings;
 
+void InputSettings::Apply()
+{
+    Input::ActionMappings = ActionMappings;
+    Input::AxisMappings = AxisMappings;
+}
+
 int32 Input::GetGamepadsCount()
 {
     return Gamepads.Count();

Source/Engine/Input/Input.h

@@ -21,7 +21,6 @@ class InputDevice;
 API_CLASS(Static) class FLAXENGINE_API Input
 {
 DECLARE_SCRIPTING_TYPE_NO_SPAWN(Input);
-public:
 
     /// <summary>
     /// Gets the mouse (null if platform does not support mouse or it is not connected).

Source/Engine/Input/InputSettings.h

@@ -5,14 +5,13 @@
 #include "Engine/Core/Config/Settings.h"
 #include "Engine/Serialization/JsonTools.h"
 #include "VirtualInput.h"
-#include "Input.h"
 
 /// <summary>
 /// Input settings container.
 /// </summary>
-/// <seealso cref="SettingsBase{InputSettings}" />
-class InputSettings : public SettingsBase<InputSettings>
+API_CLASS(sealed, Namespace="FlaxEditor.Content.Settings") class FLAXENGINE_API InputSettings : public SettingsBase
 {
+DECLARE_SCRIPTING_TYPE_MINIMAL(InputSettings);
 public:
 
     /// <summary>
@@ -27,19 +26,14 @@ public:
 
 public:
 
-    // [SettingsBase]
-    void Apply() override
-    {
-        Input::ActionMappings = ActionMappings;
-        Input::AxisMappings = AxisMappings;
-    }
+    /// <summary>
+    /// Gets the instance of the settings asset (default value if missing). Object returned by this method is always loaded with valid data to use.
+    /// </summary>
+    static InputSettings* Get();
+
+    // [SettingsBase]
+    void Apply() override;
 
-    void RestoreDefault() override
-    {
-        ActionMappings.Resize(0);
-        AxisMappings.Resize(0);
-    }
-    
     void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) final override
     {
         const auto actionMappings = stream.FindMember("ActionMappings");