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Source/Editor/Managed/ManagedEditor.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Scripting/ScriptingObject.h"
+#include "Engine/Platform/Window.h"
+#include "Engine/ShadowsOfMordor/Types.h"
+
+namespace CSG
+{
+    class Brush;
+}
+
+/// <summary>
+/// Managed Editor root object
+/// </summary>
+class ManagedEditor : public PersistentScriptingObject
+{
+DECLARE_SCRIPTING_TYPE_NO_SPAWN(ManagedEditor);
+
+public:
+
+    static Guid ObjectID;
+
+    struct InternalOptions
+    {
+        byte AutoReloadScriptsOnMainWindowFocus = 1;
+        byte ForceScriptCompilationOnStartup = 1;
+        byte AutoRebuildCSG = 1;
+        float AutoRebuildCSGTimeoutMs = 50;
+        byte AutoRebuildNavMesh = 1;
+        float AutoRebuildNavMeshTimeoutMs = 100;
+    };
+
+    static InternalOptions ManagedEditorOptions;
+
+public:
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="ManagedEditor"/> class.
+    /// </summary>
+    ManagedEditor();
+
+    /// <summary>
+    /// Finalizes an instance of the <see cref="ManagedEditor"/> class.
+    /// </summary>
+    ~ManagedEditor();
+
+public:
+
+    /// <summary>
+    /// Initializes managed editor.
+    /// </summary>
+    void Init();
+
+    /// <summary>
+    /// Updates managed editor.
+    /// </summary>
+    void Update();
+
+    /// <summary>
+    /// Exits managed editor.
+    /// </summary>
+    void Exit();
+
+    /// <summary>
+    /// Gets the main window created by the c# editor.
+    /// </summary>
+    /// <returns>The main window</returns>
+    Window* GetMainWindow();
+
+    /// <summary>
+    /// Determines whether this managed editor allows reload scripts (based on editor state).
+    /// </summary>
+    bool CanReloadScripts();
+
+    /// <summary>
+    /// Determines whether this managed editor allows to reload scripts by auto (based on editor options).
+    /// </summary>
+    bool CanAutoReloadScripts() const
+    {
+        return ManagedEditorOptions.AutoReloadScriptsOnMainWindowFocus != 0;
+    }
+
+    /// <summary>
+    /// Determines whether this managed editor allows auto build CSG mesh on brush modification (based on editor state and settings).
+    /// </summary>
+    bool CanAutoBuildCSG();
+
+    /// <summary>
+    /// Determines whether this managed editor allows auto build navigation mesh on scene modification (based on editor state and settings).
+    /// </summary>
+    bool CanAutoBuildNavMesh();
+
+public:
+
+    /// <summary>
+    /// Checks whenever the game viewport is focused by the user (eg. can receive input).
+    /// </summary>
+    /// <returns>True if game viewport is focused, otherwise false.</returns>
+    bool HasGameViewportFocus() const;
+
+    /// <summary>
+    /// Converts the screen-space position to the game viewport position.
+    /// </summary>
+    /// <param name="screenPos">The screen-space position.</param>
+    /// <returns>The game viewport position.</returns>
+    Vector2 ScreenToGameViewport(const Vector2& screenPos) const;
+
+    /// <summary>
+    /// Converts the game viewport position to the screen-space position.
+    /// </summary>
+    /// <param name="viewportPos">The game viewport position.</param>
+    /// <returns>The screen-space position.</returns>
+    Vector2 GameViewportToScreen(const Vector2& viewportPos) const;
+
+    /// <summary>
+    /// Gets the game window used to simulate game in editor. Can be used to capture input for the game scripts.
+    /// </summary>
+    /// <param name="forceGet">True if always get the window, otherwise only if focused.</param>
+    /// <returns>The window or null if hidden.</returns>
+    Window* GetGameWindow(bool forceGet = false);
+
+    /// <summary>
+    /// Gets the size of the game window output.
+    /// </summary>
+    /// <returns>The size.</returns>
+    Vector2 GetGameWindowSize();
+
+    /// <summary>
+    /// Called when application code calls exit. Editor may end play mode or exit normally.
+    /// </summary>
+    /// <returns>True if exit engine, otherwise false.</returns>
+    bool OnAppExit();
+
+private:
+
+    void OnEditorAssemblyLoaded(MAssembly* assembly);
+
+public:
+
+    // [PersistentScriptingObject]
+    String ToString() const override;
+    void DestroyManaged() override;
+};