WorldPickIDQuerier.h

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/**
* @file WorldPickIDQuerier.h.
* @brief The WorldPickIDQuerier Definitions.
* @author Spices.
*/
 
#pragma once
#include "Core/Core.h"
#include "NativeScript.h"
#include "Core/Event/MouseEvent.h"
 
namespace Spices {
 
    /**
    * @brief Forward declare. 
    */
    class ImguiViewport;
 
    /**
    * @brief Script of handle world entity pick.
    */
    class WorldPickIDQuerier : public NativeScript
    {
    public:
 
        /**
        * @brief Constructor Function.
        */
        WorldPickIDQuerier() = default;
 
        /**
        * @brief Destructor Function.
        */
        virtual ~WorldPickIDQuerier() override = default;
 
        /**
        * @brief This interface defines the behave on specific component tick every frame.
        * @param[in] ts TimeStep.
        */
        virtual void OnTick(TimeStep& ts) override {};
 
        /**
        * @brief This interface defines the behave on specific component event happened.
        * @param[in] e Event.
        */
        virtual void OnEvent(Event& e) override;
 
    private:
 
        /**
        * @brief Event OnKeyPressed.
        * @param[in] e Event Wrapper.
        * @return true if we need block the event.
        */
        bool OnMouseButtonPressed(MouseButtonPressedEvent& e);
 
    private:
 
        /**
        * @brief World Picked entity id (only use channel 0).
        */
        float m_WorldPickID[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
 
        /**
        * @brief viewport pointer.
        */
        std::weak_ptr<ImguiViewport> m_ViewPort;
    };
}