135 lines
3.4 KiB
C++
135 lines
3.4 KiB
C++
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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#pragma once
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#include "MMethod.h"
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/// <summary>
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/// Encapsulates information about a single Mono (managed) event belonging to some managed class. This object also allows you to invoke this event or register other methods to it.
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/// </summary>
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class FLAXENGINE_API MEvent
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{
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friend MClass;
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protected:
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#if USE_MONO
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MonoEvent* _monoEvent;
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#endif
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MMethod* _addMethod;
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MMethod* _removeMethod;
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MClass* _parentClass;
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MString _name;
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Array<MonoObject*> _attributes;
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int32 _hasCachedAttributes : 1;
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int32 _hasAddMonoMethod : 1;
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int32 _hasRemoveMonoMethod : 1;
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public:
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#if USE_MONO
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explicit MEvent(MonoEvent* monoEvent, const char* name, MClass* parentClass);
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#endif
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public:
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/// <summary>
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/// Gets the event name.
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/// </summary>
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/// <returns>The name.</returns>
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FORCE_INLINE const MString& GetName() const
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{
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return _name;
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}
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/// <summary>
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/// Returns the parent class that this method is contained with.
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/// </summary>
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/// <returns>The parent class.</returns>
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FORCE_INLINE MClass* GetParentClass() const
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{
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return _parentClass;
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}
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/// <summary>
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/// Gets the event type class.
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/// </summary>
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/// <returns>The type class.</returns>
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MType GetType();
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/// <summary>
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/// Gets the event add method.
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/// </summary>
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/// <returns>The method object.</returns>
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MMethod* GetAddMethod();
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/// <summary>
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/// Gets the event remove method.
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/// </summary>
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/// <returns>The method object.</returns>
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MMethod* GetRemoveMethod();
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/// <summary>
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/// Gets event visibility in the class.
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/// </summary>
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/// <returns>The event visibility.</returns>
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FORCE_INLINE MVisibility GetVisibility()
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{
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return GetAddMethod()->GetVisibility();
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}
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/// <summary>
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/// Returns true if event is static.
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/// </summary>
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/// <returns>True if is static, otherwise false.</returns>
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FORCE_INLINE bool IsStatic()
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{
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return GetAddMethod()->IsStatic();
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}
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#if USE_MONO
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/// <summary>
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/// Gets the Mono event handle.
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/// </summary>
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/// <returns>The Mono event.</returns>
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FORCE_INLINE MonoEvent* GetNative() const
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{
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return _monoEvent;
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}
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#endif
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public:
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/// <summary>
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/// Checks if event has an attribute of the specified type.
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/// </summary>
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/// <param name="monoClass">The attribute class to check.</param>
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/// <returns>True if has attribute of that class type, otherwise false.</returns>
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bool HasAttribute(MClass* monoClass) const;
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/// <summary>
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/// Checks if event has an attribute of any type.
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/// </summary>
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/// <returns>True if has any custom attribute, otherwise false.</returns>
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bool HasAttribute() const;
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/// <summary>
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/// Returns an instance of an attribute of the specified type. Returns null if the event doesn't have such an attribute.
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/// </summary>
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/// <param name="monoClass">The attribute class to take.</param>
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/// <returns>The attribute object.</returns>
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MonoObject* GetAttribute(MClass* monoClass) const;
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/// <summary>
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/// Returns an instance of all attributes connected with given event. Returns null if the event doesn't have any attributes.
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/// </summary>
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/// <returns>The array of attribute objects.</returns>
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const Array<MonoObject*>& GetAttributes();
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};
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