Range.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "Input.hpp"
 
#include "CeresEngine/Macros.hpp"
 
namespace CeresEngine {
 
    class InputState;
 
    class CE_SCRIPT_EXPORT(storage = "ref") InputRange {
    public:
        CE_SCRIPT_EXPORT()
        double value = 0.0;
 
    public:
        virtual ~InputRange() = default;
 
    public:
        [[nodiscard]] explicit operator double() const noexcept;
 
    public: // Updating
        virtual void update(const InputState& state) = 0;
 
    protected:
        void updateValue(double value);
    };
 
    class CE_SCRIPT_EXPORT() AxisInputRange final : public InputRange {
    private:
        Axis axis;
 
    public:
        CE_SCRIPT_EXPORT()
        explicit AxisInputRange(Axis axis) noexcept;
 
    public: // Updating
        void update(const InputState& state) final;
    };
 
    class CE_SCRIPT_EXPORT() DeltaAxisInputRange final : public InputRange {
    private:
        Axis axis;
 
        double lastValue = 0.0;
 
        bool receivedFirstUpdate = false;
 
    public:
        CE_SCRIPT_EXPORT()
        explicit DeltaAxisInputRange(Axis axis) noexcept;
 
    public: // Updating
        void update(const InputState& state) final;
    };
 
    template<typename T>
    concept CInputRange = std::is_base_of_v<InputRange, T>;
 
} // namespace CeresEngine