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Source/Engine/Scripting/Script.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Level/SceneObject.h"
+#include "ScriptingObject.h"
+
+/// <summary>
+/// Base class for all scripts.
+/// </summary>
+API_CLASS(Abstract) class FLAXENGINE_API Script : public SceneObject
+{
+DECLARE_SCRIPTING_TYPE(Script);
+    friend Actor;
+    friend SceneTicking;
+    friend class PrefabInstanceData;
+protected:
+
+    int32 _enabled : 1;
+    int32 _tickFixedUpdate : 1;
+    int32 _tickUpdate : 1;
+    int32 _tickLateUpdate : 1;
+    int32 _wasStartCalled : 1;
+    int32 _wasEnableCalled : 1;
+#if USE_EDITOR
+    int32 _executeInEditor : 1;
+#endif
+
+public:
+
+    /// <summary>
+    /// Gets value indicating if script is active.
+    /// </summary>
+    API_PROPERTY(Attributes="HideInEditor")
+    FORCE_INLINE bool GetEnabled() const
+    {
+        return _enabled != 0;
+    }
+
+    /// <summary>
+    /// Sets enabled state if this script.
+    /// </summary>
+    API_PROPERTY() void SetEnabled(bool value);
+
+    /// <summary>
+    /// Gets the actor owning that script.
+    /// </summary>
+    API_PROPERTY(Attributes="HideInEditor, NoAnimate")
+    Actor* GetActor() const;
+
+    /// <summary>
+    /// Sets the actor owning that script.
+    /// </summary>
+    API_PROPERTY() void SetActor(Actor* value);
+
+public:
+
+    /// <summary>
+    /// Called after the object is loaded.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnAwake()
+    {
+    }
+
+    /// <summary>
+    /// Called when object becomes enabled and active.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnEnable()
+    {
+    }
+
+    /// <summary>
+    /// Called when object becomes disabled and inactive.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnDisable()
+    {
+    }
+
+    /// <summary>
+    /// Called before the object will be destroyed..
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnDestroy()
+    {
+    }
+
+    /// <summary>
+    /// Called when a script is enabled just before any of the Update methods is called for the first time.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnStart()
+    {
+    }
+
+    /// <summary>
+    /// Called every frame if object is enabled.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnUpdate()
+    {
+    }
+
+    /// <summary>
+    /// Called every frame (after gameplay Update) if object is enabled.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnLateUpdate()
+    {
+    }
+
+    /// <summary>
+    /// Called every fixed framerate frame if object is enabled.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnFixedUpdate()
+    {
+    }
+
+    /// <summary>
+    /// Called during drawing debug shapes in editor. Use <see cref="DebugDraw"/> to draw debug shapes and other visualization.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnDebugDraw()
+    {
+    }
+
+    /// <summary>
+    /// Called during drawing debug shapes in editor when object is selected. Use <see cref="DebugDraw"/> to draw debug shapes and other visualization.
+    /// </summary>
+    API_FUNCTION(Attributes="NoAnimate") virtual void OnDebugDrawSelected()
+    {
+    }
+
+private:
+
+    void SetupType();
+    void Start();
+    void Enable();
+    void Disable();
+
+public:
+
+    // [PersistentScriptingObject]
+    String ToString() const override;
+    void OnDeleteObject() override;
+
+    // [SceneObject]
+    const Guid& GetSceneObjectId() const override;
+    void SetParent(Actor* value, bool canBreakPrefabLink = true) override;
+    int32 GetOrderInParent() const override;
+    void SetOrderInParent(int32 index) override;
+    void PostLoad() override;
+    void PostSpawn() override;
+    void BeginPlay(SceneBeginData* data) override;
+    void EndPlay() override;
+    void Serialize(SerializeStream& stream, const void* otherObj) override;
+    void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) override;
+};